/* ========================================================
   Docs — Local-first Office Suite
   Aesthetic: Refined Editorial + Industrial Utility
   No external font dependencies — system fonts only.
   ======================================================== */

/* --- Tokens --- */
:root {
  --color-bg:          #f5f3f0;
  --color-bg:          oklch(0.965 0.005 75);
  --color-surface:     #ede9e4;
  --color-surface:     oklch(0.935 0.008 75);
  --color-surface-alt: #e7e2dc;
  --color-surface-alt: oklch(0.915 0.01 75);
  --color-text:        #221812;
  --color-text:        oklch(0.22 0.02 55);
  --color-text-muted:  #655c56;
  --color-text-muted:  oklch(0.48 0.015 55);
  --color-text-faint:  #8b8581;
  --color-text-faint:  oklch(0.62 0.01 55);
  --color-accent:      #ab413e;
  --color-accent:      oklch(0.52 0.14 25);
  --color-accent-hover:#972e2d;
  --color-accent-hover:oklch(0.46 0.14 25);
  --color-teal:        #006e6f;
  --color-teal:        oklch(0.48 0.1 195);
  --color-teal-light:  #bae0e0;
  --color-teal-light:  oklch(0.88 0.04 195);
  --color-border:      #d7d4cf;
  --color-border:      oklch(0.87 0.008 75);
  --color-border-strong:#bbb7b0;
  --color-border-strong:oklch(0.78 0.01 75);
  --color-grid-line:   #cecac3;
  --color-grid-line:   oklch(0.84 0.01 75);
  --color-grid-header-line: #c9c3bc;
  --color-grid-header-line: oklch(0.82 0.012 75);
  --color-hover:       #e9e4dd;
  --color-hover:       oklch(0.92 0.01 75);
  --color-focus:       #006e6f4d;
  --color-focus:       oklch(0.48 0.1 195 / 0.3);
  --color-success:     #1c985a;
  --color-success:     oklch(0.6 0.14 155);
  --color-warning:     #cd9c1f;
  --color-warning:     oklch(0.72 0.14 85);
  --color-danger:      #bd413f;
  --color-danger:      oklch(0.55 0.16 25);
  --color-encrypted:   #187c49;
  --color-encrypted:   oklch(0.52 0.12 155);

  --font-display: Charter, 'Bitstream Charter', 'Sitka Text', Cambria, serif;
  --font-body:    system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;

  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px #2218120f;
  --shadow-sm: 0 1px 2px oklch(0.22 0.02 55 / 0.06);
  --shadow-md: 0 2px 8px #22181214;
  --shadow-md: 0 2px 8px oklch(0.22 0.02 55 / 0.08);
  --shadow-lg: 0 8px 24px #2218121a;
  --shadow-lg: 0 8px 24px oklch(0.22 0.02 55 / 0.1);

  --transition-fast: 120ms ease-out;
  --transition-med:  200ms ease-out;

  --color-text-secondary: #655c56;
  --color-text-secondary: oklch(0.48 0.015 55);
  --color-bg-secondary:   #ede9e4;
  --color-bg-secondary:   oklch(0.935 0.008 75);
  --color-surface-raised: #eeeae5;
  --color-surface-raised: oklch(0.94 0.008 75);

  /* Colors that need dark-mode overrides but are used inline */
  --color-btn-primary-text: #f7f5f1;
  --color-btn-primary-text: oklch(0.97 0.005 75);
  --color-collab-text:      #f7f5f1;
  --color-collab-text:      oklch(0.97 0.005 75);
  --color-cursor-label:     #f7f5f1;
  --color-cursor-label:     oklch(0.97 0.005 75);
  --color-cell-editor-bg:   #fcfcfa;
  --color-cell-editor-bg:   oklch(0.99 0.002 75);
  --color-modal-backdrop:   #22181280;
  --color-modal-backdrop:   oklch(0.22 0.02 55 / 0.5);
  --color-btn-active-bg:    #ab413e14;
  --color-btn-active-bg:    oklch(0.52 0.14 25 / 0.08);

  /* Comment highlight */
  --color-comment-bg:       #f7e2b8;
  --color-comment-bg:       oklch(0.92 0.06 85);
  --color-comment-border:   #cd9c1f;
  --color-comment-border:   oklch(0.72 0.14 85);
  --color-comment-bg-hover: #f0d49b;
  --color-comment-bg-hover: oklch(0.88 0.08 85);

  /* Search highlight */
  --color-search-match:        #fcd176;
  --color-search-match:        oklch(0.88 0.12 85);
  --color-search-match-active: #ef852e;
  --color-search-match-active: oklch(0.72 0.16 55);
  --color-search-match-text:   #f7f5f1;
  --color-search-match-text:   oklch(0.97 0.005 75);

  /* Range selection */
  --color-range-bg:         #006e6f1f;
  --color-range-bg:         oklch(0.48 0.1 195 / 0.12);
  --color-range-header-bg:  #006e6f26;
  --color-range-header-bg:  oklch(0.48 0.1 195 / 0.15);
  --color-merge-active-bg:  #006e6f1a;
  --color-merge-active-bg:  oklch(0.48 0.1 195 / 0.1);

  /* Color swatch */
  --color-swatch-height: 4px;
  --color-highlight-default: #ffefb1;
  --color-highlight-default: oklch(0.95 0.08 95);

  /* Shadows (use dark base) */
  --shadow-color: #221812;
  --shadow-color: oklch(0.22 0.02 55);

  /* Z-Index Scale — documented stacking context hierarchy.
     Grid-internal micro-stacking (0-6) uses literal values.
     Everything above uses these tokens for consistency.          */
  --z-component:   10;   /* toolbar, cell editor, diagram panels  */
  --z-float:       50;   /* dropdowns, block handle, version badge */
  --z-popover:     60;   /* comment popover, block context menu    */
  --z-sticky:      80;   /* sort indicator, validation dropdown    */
  --z-overlay:     100;  /* resize lines, autocomplete, slash menu */
  --z-tooltip:     200;  /* tooltips, link preview, suggestions    */
  --z-drop:        300;  /* drop zone overlay, notification toast  */
  --z-panel:       900;  /* gallery sidebar, floating panels       */
  --z-modal:       1000; /* modal dialog, print preview, presenter */
  --z-above-modal: 1100; /* formula tooltip, find-replace overlay  */
  --z-menu:        9999; /* context menu, command palette          */
  --z-skip:        10000;/* skip-to-content link                   */
}

/* --- Dark theme --- */
[data-theme="dark"] {
  color-scheme: dark;
  --color-bg:           #0f0d0b;
  --color-bg:           oklch(0.16 0.005 75);
  --color-surface:      #181612;
  --color-surface:      oklch(0.20 0.008 75);
  --color-surface-alt:  #221f1a;
  --color-surface-alt:  oklch(0.24 0.01 75);
  --color-text:         #dbd7d0;
  --color-text:         oklch(0.88 0.01 75);
  --color-text-muted:   #938e89;
  --color-text-muted:   oklch(0.65 0.01 75);
  --color-text-faint:   #837e78;
  --color-text-faint:   oklch(0.62 0.008 75);
  --color-text-secondary: #938e89;
  --color-text-secondary: oklch(0.65 0.01 75);
  --color-bg-secondary:   #181612;
  --color-bg-secondary:   oklch(0.20 0.008 75);
  --color-surface-raised: #1d1a17;
  --color-surface-raised: oklch(0.22 0.008 75);
  --color-accent:       #cd605a;
  --color-accent:       oklch(0.62 0.14 25);
  --color-accent-hover: #b84d49;
  --color-accent-hover: oklch(0.56 0.14 25);
  --color-teal:         #0f9293;
  --color-teal:         oklch(0.60 0.1 195);
  --color-teal-light:   #0b2f2f;
  --color-teal-light:   oklch(0.28 0.04 195);
  --color-border:       #2b2825;
  --color-border:       oklch(0.28 0.008 75);
  --color-border-strong:#46423d;
  --color-border-strong:oklch(0.38 0.01 75);
  --color-grid-line:    #262420;
  --color-grid-line:    oklch(0.26 0.008 75);
  --color-grid-header-line: #312d28;
  --color-grid-header-line: oklch(0.30 0.01 75);
  --color-hover:        #201c18;
  --color-hover:        oklch(0.23 0.01 75);
  --color-focus:        #0f92934d;
  --color-focus:        oklch(0.60 0.1 195 / 0.3);
  --color-success:      #33a868;
  --color-success:      oklch(0.65 0.14 155);
  --color-warning:      #cd9c1f;
  --color-warning:      oklch(0.72 0.14 85);
  --color-danger:       #ce514d;
  --color-danger:       oklch(0.60 0.16 25);
  --color-encrypted:    #3f9b65;
  --color-encrypted:    oklch(0.62 0.12 155);

  --shadow-sm: 0 1px 2px #0100004d;
  --shadow-sm: 0 1px 2px oklch(0.05 0.005 75 / 0.3);
  --shadow-md: 0 2px 8px #01000066;
  --shadow-md: 0 2px 8px oklch(0.05 0.005 75 / 0.4);
  --shadow-lg: 0 8px 24px #01000080;
  --shadow-lg: 0 8px 24px oklch(0.05 0.005 75 / 0.5);

  --color-btn-primary-text: #f7f5f1;
  --color-btn-primary-text: oklch(0.97 0.005 75);
  --color-collab-text:      #f7f5f1;
  --color-collab-text:      oklch(0.97 0.005 75);
  --color-cursor-label:     #f7f5f1;
  --color-cursor-label:     oklch(0.97 0.005 75);
  --color-cell-editor-bg:   #13110f;
  --color-cell-editor-bg:   oklch(0.18 0.005 75);
  --color-modal-backdrop:   #010000b3;
  --color-modal-backdrop:   oklch(0.05 0.005 75 / 0.7);
  --color-btn-active-bg:    #cd605a26;
  --color-btn-active-bg:    oklch(0.62 0.14 25 / 0.15);

  --color-highlight-default: #563e00;
  --color-highlight-default: oklch(0.38 0.08 85);

  --color-comment-bg:       #372c15;
  --color-comment-bg:       oklch(0.30 0.04 85);
  --color-comment-border:   #7d5e07;
  --color-comment-border:   oklch(0.50 0.10 85);
  --color-comment-bg-hover: #46381a;
  --color-comment-bg-hover: oklch(0.35 0.05 85);

  --color-search-match:        #4d3600;
  --color-search-match:        oklch(0.35 0.08 85);
  --color-search-match-active: #964d09;
  --color-search-match-active: oklch(0.50 0.12 55);
  --color-search-match-text:   #f7f5f1;
  --color-search-match-text:   oklch(0.97 0.005 75);

  --color-range-bg:        #0f929326;
  --color-range-bg:        oklch(0.60 0.1 195 / 0.15);
  --color-range-header-bg: #0f929333;
  --color-range-header-bg: oklch(0.60 0.1 195 / 0.20);
  --color-merge-active-bg: #0f929326;
  --color-merge-active-bg: oklch(0.60 0.1 195 / 0.15);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --color-bg:           #0f0d0b;
    --color-bg:           oklch(0.16 0.005 75);
    --color-surface:      #181612;
    --color-surface:      oklch(0.20 0.008 75);
    --color-surface-alt:  #221f1a;
    --color-surface-alt:  oklch(0.24 0.01 75);
    --color-text:         #dbd7d0;
    --color-text:         oklch(0.88 0.01 75);
    --color-text-muted:   #938e89;
    --color-text-muted:   oklch(0.65 0.01 75);
    --color-text-faint:   #837e78;
    --color-text-faint:   oklch(0.62 0.008 75);
    --color-text-secondary: #938e89;
    --color-text-secondary: oklch(0.65 0.01 75);
    --color-bg-secondary:   #181612;
    --color-bg-secondary:   oklch(0.20 0.008 75);
    --color-surface-raised: #1d1a17;
    --color-surface-raised: oklch(0.22 0.008 75);
    --color-accent:       #cd605a;
    --color-accent:       oklch(0.62 0.14 25);
    --color-accent-hover: #b84d49;
    --color-accent-hover: oklch(0.56 0.14 25);
    --color-teal:         #0f9293;
    --color-teal:         oklch(0.60 0.1 195);
    --color-teal-light:   #0b2f2f;
    --color-teal-light:   oklch(0.28 0.04 195);
    --color-border:       #2b2825;
    --color-border:       oklch(0.28 0.008 75);
    --color-border-strong:#46423d;
    --color-border-strong:oklch(0.38 0.01 75);
    --color-grid-line:    #262420;
    --color-grid-line:    oklch(0.26 0.008 75);
    --color-grid-header-line: #312d28;
    --color-grid-header-line: oklch(0.30 0.01 75);
    --color-hover:        #201c18;
    --color-hover:        oklch(0.23 0.01 75);
    --color-focus:        #0f92934d;
    --color-focus:        oklch(0.60 0.1 195 / 0.3);
    --color-success:      #33a868;
    --color-success:      oklch(0.65 0.14 155);
    --color-warning:      #cd9c1f;
    --color-warning:      oklch(0.72 0.14 85);
    --color-danger:       #ce514d;
    --color-danger:       oklch(0.60 0.16 25);
    --color-encrypted:    #3f9b65;
    --color-encrypted:    oklch(0.62 0.12 155);

    --shadow-sm: 0 1px 2px #0100004d;
    --shadow-sm: 0 1px 2px oklch(0.05 0.005 75 / 0.3);
    --shadow-md: 0 2px 8px #01000066;
    --shadow-md: 0 2px 8px oklch(0.05 0.005 75 / 0.4);
    --shadow-lg: 0 8px 24px #01000080;
    --shadow-lg: 0 8px 24px oklch(0.05 0.005 75 / 0.5);

    --color-btn-primary-text: #f7f5f1;
    --color-btn-primary-text: oklch(0.97 0.005 75);
    --color-collab-text:      #f7f5f1;
    --color-collab-text:      oklch(0.97 0.005 75);
    --color-cursor-label:     #f7f5f1;
    --color-cursor-label:     oklch(0.97 0.005 75);
    --color-cell-editor-bg:   #13110f;
    --color-cell-editor-bg:   oklch(0.18 0.005 75);
    --color-modal-backdrop:   #010000b3;
    --color-modal-backdrop:   oklch(0.05 0.005 75 / 0.7);
    --color-btn-active-bg:    #cd605a26;
    --color-btn-active-bg:    oklch(0.62 0.14 25 / 0.15);

    --color-highlight-default: #563e00;
    --color-highlight-default: oklch(0.38 0.08 85);

    --color-comment-bg:       #372c15;
    --color-comment-bg:       oklch(0.30 0.04 85);
    --color-comment-border:   #7d5e07;
    --color-comment-border:   oklch(0.50 0.10 85);
    --color-comment-bg-hover: #46381a;
    --color-comment-bg-hover: oklch(0.35 0.05 85);

    --color-search-match:        #4d3600;
    --color-search-match:        oklch(0.35 0.08 85);
    --color-search-match-active: #964d09;
    --color-search-match-active: oklch(0.50 0.12 55);
    --color-search-match-text:   #f7f5f1;
    --color-search-match-text:   oklch(0.97 0.005 75);

    --color-range-bg:        #0f929326;
    --color-range-bg:        oklch(0.60 0.1 195 / 0.15);
    --color-range-header-bg: #0f929333;
    --color-range-header-bg: oklch(0.60 0.1 195 / 0.20);
    --color-merge-active-bg: #0f929326;
    --color-merge-active-bg: oklch(0.60 0.1 195 / 0.15);
  }
}

/* --- Reduced motion: disable transitions/animations for users who prefer it --- */
@media (prefers-contrast: more) {
  :root {
    --color-text-muted:    #433831;
    --color-text-muted:    oklch(0.35 0.02 55);
    --color-text-faint:    #544b45;
    --color-text-faint:    oklch(0.42 0.015 55);
    --color-border:        #9c9792;
    --color-border:        oklch(0.68 0.01 75);
    --color-border-strong: #76716a;
    --color-border-strong: oklch(0.55 0.012 75);
    --color-grid-line:     #9d9790;
    --color-grid-line:     oklch(0.68 0.012 75);
    --color-grid-header-line: #8c857c;
    --color-grid-header-line: oklch(0.62 0.015 75);
    --color-hover:         #d7d0c6;
    --color-hover:         oklch(0.86 0.015 75);
    --color-focus:         #006e6f99;
    --color-focus:         oklch(0.48 0.1 195 / 0.6);
  }
  [data-theme="dark"] {
    --color-text-muted:    #bbb7b0;
    --color-text-muted:    oklch(0.78 0.01 75);
    --color-text-faint:    #a8a49e;
    --color-text-faint:    oklch(0.72 0.01 75);
    --color-border:        #59554f;
    --color-border:        oklch(0.45 0.01 75);
    --color-border-strong: #76716a;
    --color-border-strong: oklch(0.55 0.012 75);
    --color-grid-line:     #514c46;
    --color-grid-line:     oklch(0.42 0.012 75);
    --color-grid-header-line: #635d54;
    --color-grid-header-line: oklch(0.48 0.015 75);
    --color-hover:         #2d2821;
    --color-hover:         oklch(0.28 0.015 75);
    --color-focus:         #0f929399;
    --color-focus:         oklch(0.60 0.1 195 / 0.6);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-med:  0ms;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }

/* Prevent zoom on input focus on mobile (iOS double-tap-to-zoom) */
input, select, textarea {
  touch-action: manipulation;
}

html {
  font-size: clamp(15px, 1vw + 12px, 17px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color-scheme: light dark;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  min-height: 100dvh;
  overflow-x: hidden;
  max-width: 100vw;
  transition: background-color var(--transition-med), color var(--transition-med);
}

/* Smooth transitions for theme switching on key surfaces */
.app-topbar,
.toolbar,
.formula-bar,
.sheet-tabs,
.docs-footer,
.modal,
.find-bar,
.comment-popover,
.toolbar-dropdown-menu,
.toolbar-overflow-menu,
.new-menu,
.more-menu-panel,
.doc-item,
.folder-card,
.sort-menu,
.search-input,
.modal-backdrop,
.landing-header,
.editor-container,
.sheet-container {
  transition: background-color var(--transition-med), border-color var(--transition-med), color var(--transition-med);
}

/* --- Theme toggle button --- */
.theme-toggle {
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 1rem;
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); }

a {
  color: var(--color-teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent); }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.55rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.3;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-btn-primary-text);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  background: var(--color-hover);
  border-color: var(--color-text-muted);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding: 0.4rem 0.7rem;
}
.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

.btn-icon {
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 16px;
  line-height: 1;
  min-width: 28px;
  min-height: 28px;
}
.btn-icon:hover { color: var(--color-text); background: var(--color-hover); }
.btn-icon.active { color: var(--color-accent); background: var(--color-btn-active-bg); }
.btn-icon:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.btn-icon.btn-disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

/* --- Styled Tooltips --- */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: #161616;
  background: oklch(0.2 0 0);
  color: #eeeeee;
  color: oklch(0.95 0 0);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: var(--z-menu);
}
[data-tooltip]:hover::after {
  opacity: 1;
  transition-delay: 400ms;
}
[data-tooltip]:active::after {
  opacity: 0;
  transition-delay: 0ms;
}
/* Bottom variant for topbar buttons */
[data-tooltip-pos="bottom"]::after {
  bottom: auto;
  top: calc(100% + 6px);
}
/* Dark mode tooltip */
[data-theme="dark"] [data-tooltip]::after {
  background: #cecece;
  background: oklch(0.85 0 0);
  color: #0b0b0b;
  color: oklch(0.15 0 0);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) [data-tooltip]::after {
    background: #cecece;
    background: oklch(0.85 0 0);
    color: #0b0b0b;
    color: oklch(0.15 0 0);
  }
}

/* --- Landing Page --- */
.landing {
  max-width: min(64rem, 100%);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  min-width: 0;
  box-sizing: border-box;
}

.landing-header {
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.brand-name {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-encrypted);
  background: var(--color-teal-light);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.new-dropdown {
  position: relative;
}

.new-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.new-btn:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.new-btn-plus {
  font-size: 1.15rem;
  line-height: 1;
}
.new-btn-caret {
  font-size: 0.7rem;
  opacity: 0.85;
}

.new-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: var(--z-overlay);
  padding: var(--space-xs);
  flex-direction: column;
}
.new-dropdown.open .new-menu {
  display: flex;
}

.new-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.new-menu-item:hover:not(:disabled) {
  background: var(--color-hover);
}

.new-menu-item-disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: auto;
}
.new-menu-item-disabled .new-menu-badge {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-border);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.new-menu-icon {
  font-size: 1rem;
  width: 1.25rem;
  text-align: center;
  color: var(--color-text-muted);
}

.daily-note-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.daily-note-btn:hover {
  background: var(--color-hover);
  border-color: var(--color-text-muted);
}
.daily-note-icon {
  color: var(--color-accent);
  font-size: 1rem;
  line-height: 1;
}

/* Document list */
/* ========================================================
   Recent Documents (#116)
   ======================================================== */

.recent-section {
  margin-bottom: var(--space-lg);
}

.recent-heading {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-sm);
}

.recent-list {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-xs);
  max-width: 100%;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
}

.recent-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
  max-width: 180px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.recent-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.recent-card-icon {
  font-size: 1.25rem;
}

.recent-card-name {
  font-size: 0.8rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-card-type {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
}

/* --- Pinned section --- */
.pinned-section {
  margin-top: var(--space-lg);
}
.pinned-heading {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-sm);
}
.pinned-list {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  max-width: 100%;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
}
.pinned-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 140px;
  max-width: 180px;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
  background: var(--color-bg-elevated);
}
.pinned-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.pinned-card-icon { font-size: 1.2rem; }
.pinned-card-name {
  font-size: 0.8rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pinned-card-type {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
}

/* --- View toggle --- */
.view-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.view-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.view-icon { fill: currentColor; }

.doc-section {
  margin-top: var(--space-2xl);
}

.doc-section-title {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-md);
}

.doc-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Grid view */
.doc-list.grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  background: transparent;
  overflow: visible;
}
.doc-grid-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  background: var(--color-bg);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}
.doc-grid-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.doc-grid-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.doc-grid-card-header .doc-item-icon { font-size: 1.5rem; }
.doc-grid-card-name {
  font-size: 0.85rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.doc-grid-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}
.doc-grid-card-footer .doc-item-type {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
}
.doc-grid-card-footer .doc-item-date {
  font-size: 0.65rem;
  color: var(--color-text-faint);
}
.doc-grid-card-actions {
  display: none;
  position: absolute;
  bottom: var(--space-xs);
  right: var(--space-xs);
  gap: 2px;
}
.doc-grid-card:hover .doc-grid-card-actions {
  display: flex;
}

.doc-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition-fast);
}
.doc-item:hover {
  background: var(--color-hover);
  color: inherit;
}

.doc-item-icon {
  font-size: 1.2rem;
  opacity: 0.6;
}

.doc-item-name {
  font-weight: 500;
  flex: 1;
}

.doc-item-type {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.doc-item-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Document Tags (#133) --- */
.doc-item-tags {
  display: inline-flex;
  gap: 4px;
  flex-shrink: 0;
}

.doc-tag-pill {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.7rem;
  border-radius: 9px;
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.tag-filter-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  flex-wrap: wrap;
}

.tag-filter-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-right: 2px;
}

.tag-filter-pill {
  padding: 2px 10px;
  font-size: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.tag-filter-pill:hover {
  background: var(--color-surface-raised);
}

.tag-filter-pill.active {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border-color: var(--color-accent);
}

.doc-item-delete,
.doc-item-duplicate,
.doc-item-move,
.doc-item-tag-edit {
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.doc-item:hover .doc-item-delete,
.doc-item:hover .doc-item-duplicate,
.doc-item:hover .doc-item-move,
.doc-item:hover .doc-item-tag-edit { opacity: 1; }

/* Touch devices: always show action buttons (no hover state) */
@media (hover: none) {
  .doc-item-delete,
  .doc-item-duplicate,
  .doc-item-move,
  .doc-item-tag-edit {
    opacity: 0.7;
  }
}

/* Star button */
.doc-star {
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-text-faint);
  cursor: pointer;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}
.doc-star:hover {
  color: var(--color-warning);
}

.empty-state {
  text-align: left;
  padding: var(--space-xl) 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.empty-state strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

/* --- Document toolbar (search, sort, folders) --- */
.doc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.doc-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

/* Breadcrumbs */
.doc-breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
}

.breadcrumb-link {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.breadcrumb-link:hover {
  color: var(--color-accent-hover);
}

.breadcrumb-sep {
  color: var(--color-text-faint);
}

.breadcrumb-current {
  font-weight: 600;
  color: var(--color-text);
}

/* Search */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 180px;
  padding: var(--space-xs) var(--space-sm);
  padding-right: 1.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  transition: border-color var(--transition-fast), width var(--transition-med);
}
.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  width: 240px;
}

.search-clear {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-faint);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 2px;
}
.search-clear:hover {
  color: var(--color-text);
}

.no-results {
  padding: var(--space-lg) 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Sort dropdown */
.sort-dropdown {
  position: relative;
}

.sort-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--transition-fast);
}
.sort-btn:hover {
  border-color: var(--color-border-strong);
}

.sort-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 160px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: var(--z-overlay);
  overflow: hidden;
}
.sort-menu.open {
  display: flex;
  flex-direction: column;
}

.sort-option {
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sort-option:hover {
  background: var(--color-hover);
}

/* More menu (overflow actions: folder / import / backup) */
.more-menu {
  position: relative;
}

.more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font: inherit;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.more-btn:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.more-menu-panel {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  /* Raise above .table-toolbar (also z-overlay=100) so opening the kebab
     overflow while the cursor is inside a table doesn't leave the cell
     background picker bleeding over "Code block" etc. See #714. */
  z-index: var(--z-tooltip);
  padding: var(--space-xs);
  flex-direction: column;
}
.more-menu.open .more-menu-panel {
  display: flex;
}

.more-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}
.more-menu-item:hover {
  background: var(--color-hover);
}

.more-menu-icon {
  width: 1.25rem;
  text-align: center;
  color: var(--color-text-muted);
}

.more-menu-sep {
  height: 1px;
  margin: var(--space-xs) 0;
  background: var(--color-border);
}

/* Folder grid */
.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.folder-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.folder-card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-hover);
}
/* ── Forge Workspaces ── */

.forge-section {
  margin-bottom: var(--space-lg);
}
.forge-section-heading {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  margin: 0 0 var(--space-sm) 0;
}
.forge-workspace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-sm);
}
.forge-workspace-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid oklch(0.45 0.06 250);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: inherit;
}
.forge-workspace-card:hover {
  border-color: oklch(0.6 0.12 250);
  background: var(--color-hover);
}
.forge-workspace-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.forge-workspace-card-type {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: oklch(0.65 0.1 250);
}
.forge-workspace-card-time {
  font-size: 0.7rem;
  color: var(--color-text-faint);
}
.forge-workspace-card-name {
  font-weight: 500;
  font-size: 0.9rem;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.forge-workspace-card-footer {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  font-size: 0.7rem;
  color: var(--color-text-faint);
  min-height: 1em;
}
.forge-workspace-card-versions {
  background: oklch(0.3 0.03 250);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
}
.forge-workspace-card-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* ── Forge Note Button (in doc editor) ── */

.forge-archive {
  margin-top: var(--space-sm);
}
.forge-archive-summary {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  cursor: pointer;
  padding: var(--space-xs) 0;
}
.forge-archive-summary:hover {
  color: var(--color-text);
}
.forge-workspace-card--done {
  opacity: 0.6;
  border-color: var(--color-border);
}
.forge-workspace-card--done:hover {
  opacity: 0.8;
}

.forge-note-btn {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  background: oklch(0.3 0.05 250);
  color: oklch(0.8 0.05 250);
  border: 1px solid oklch(0.45 0.06 250);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 100;
}
.forge-note-btn:hover {
  background: oklch(0.35 0.08 250);
  border-color: oklch(0.6 0.12 250);
}

.folder-card-icon {
  font-size: 1.4rem;
}

.folder-card-name {
  font-weight: 500;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-card-count {
  font-size: 0.75rem;
  color: var(--color-text-faint);
}

.folder-card-actions {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.folder-card:hover .folder-card-actions {
  opacity: 1;
}

/* Trash section */
.trash-section {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.trash-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: none;
  border: none;
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  padding: var(--space-xs) 0;
}
.trash-toggle:hover {
  color: var(--color-text);
}

.trash-toggle-icon {
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
}

.trash-count {
  font-size: 0.75rem;
  color: var(--color-text-faint);
}

.trash-actions {
  padding: 0.5rem 0;
  display: flex;
  justify-content: flex-end;
}

.trash-item {
  opacity: 0.6;
}
.trash-item:hover {
  opacity: 0.85;
}

.trash-name {
  text-decoration: line-through;
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
}

.btn-secondary {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-secondary:hover {
  border-color: var(--color-border-strong);
  background: var(--color-hover);
}

.btn-primary {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-danger {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-danger);
  color: var(--color-btn-primary-text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-danger:hover {
  opacity: 0.85;
}

/* Modal backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  overflow-y: auto;
  padding: var(--space-md);
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 90%;
}
.modal h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: var(--space-sm);
}
.modal p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

/* Username modal */
.username-input,
.folder-name-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}
.username-input:focus,
.folder-name-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Handle typeahead suggestions */
.handle-suggestions {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  z-index: 1001;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 4px;
  max-height: 280px;
  overflow-y: auto;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.3);
}
.handle-suggestion {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: background 0.1s;
}
.handle-suggestion:hover,
.handle-suggestion.active {
  background: var(--color-hover);
}
.suggestion-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
}
.suggestion-avatar-placeholder {
  background: var(--color-border);
}
.suggestion-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.suggestion-name {
  font-weight: 500;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.suggestion-handle {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#username-modal {
  background: var(--color-bg);
}
.username-modal {
  overflow: visible;
  max-width: 440px;
  border: none;
  box-shadow: none;
}
.welcome-tagline {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}
.welcome-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.welcome-features li::before {
  content: "\2713\00a0";
  color: var(--color-accent);
  font-weight: 600;
}
.welcome-signin-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}
.handle-input-wrapper {
  position: relative;
  margin-bottom: var(--space-md);
}
.handle-input-wrapper .username-input {
  margin-bottom: 0;
}

.username-modal-actions,
.folder-modal-actions,
.move-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* Setup screen */
.setup-modal {
  max-width: 480px;
}
.setup-modal h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}
.setup-capabilities,
.setup-limitations {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.setup-capabilities li::before {
  content: "\2713\00a0";
  color: var(--color-accent);
  font-weight: 600;
}
.setup-limitations li::before {
  content: "\2022\00a0";
  color: var(--color-text-faint);
}
.setup-disclaimer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
  margin-bottom: var(--space-md);
}
.setup-disclaimer p {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  line-height: 1.5;
  margin: 0;
}
.setup-modal .btn-primary {
  width: 100%;
}
.setup-preview-banner {
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

/* Waitlist modal */
.waitlist-modal {
  max-width: 460px;
  text-align: center;
}
.waitlist-modal h2 {
  margin-bottom: var(--space-sm);
}
.waitlist-handle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
.waitlist-message {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}
.waitlist-cta {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}
.waitlist-cta a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}
.waitlist-cta a:hover {
  text-decoration: underline;
}
.waitlist-source {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}
.waitlist-source a {
  color: var(--color-text-secondary);
  text-decoration: underline;
}
.waitlist-actions {
  display: flex;
  justify-content: center;
}
.waitlist-actions .btn-primary {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

/* Move to folder modal */
.move-folder-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--space-md);
  max-height: 300px;
  overflow-y: auto;
}

.move-option {
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.move-option:hover {
  background: var(--color-hover);
  border-color: var(--color-border-strong);
}
.move-option.active {
  border-color: var(--color-accent);
  background: var(--color-btn-active-bg);
}

.move-empty {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: var(--space-md);
}

/* User badge in topbar */
.user-badge {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.user-badge:hover {
  background: var(--color-hover);
  color: var(--color-text);
  border-color: var(--color-accent);
}
.user-badge .user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Doc owner in list */
.doc-item-owner {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: var(--space-xs);
  white-space: nowrap;
}
.doc-item-owner::before {
  content: 'by ';
}

/* --- Encryption indicator --- */
.encryption-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-encrypted);
  padding: var(--space-sm) 0;
  letter-spacing: 0.02em;
}

.encryption-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-encrypted);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.instance-info-btn {
  margin-left: auto;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}
.instance-info-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.instance-info-panel {
  max-width: 480px;
  width: 90vw;
}
.instance-info-panel h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}
.instance-info-panel .info-summary {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  line-height: 1.5;
}
.instance-info-panel .info-section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin: var(--space-md) 0 var(--space-xs);
}
.instance-info-panel ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-sm);
}
.instance-info-panel li {
  font-size: 0.8rem;
  color: var(--color-text);
  padding: var(--space-xs) 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}
.instance-info-panel li::before {
  flex-shrink: 0;
  font-size: 0.7rem;
}
.instance-info-panel .info-capabilities li::before {
  content: '\2713';
  color: var(--color-success);
}
.instance-info-panel .info-limitations li::before {
  content: '\2014';
  color: var(--color-text-faint);
}
.instance-info-panel .info-notice {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-md);
  line-height: 1.5;
}
.instance-info-panel .info-flavor-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-encrypted);
  background: var(--color-teal-light);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  margin-left: var(--space-sm);
}

.site-footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.site-footer-links {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  padding: var(--space-sm) 0;
  line-height: 1.8;
}
.site-footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.site-footer-links a:hover {
  color: var(--color-text);
  text-decoration: underline;
}
.footer-sep {
  margin: 0 0.3em;
  color: var(--color-text-faint);
}

.desktop-download {
  margin-top: var(--space-md);
  text-align: center;
}

.desktop-download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.desktop-download-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.desktop-download-version {
  opacity: 0.6;
  font-size: 0.75rem;
}

/* --- App Shell (docs + sheets) --- */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.app-topbar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  padding-left: max(var(--space-md), env(safe-area-inset-left));
  padding-right: max(var(--space-md), env(safe-area-inset-right));
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
}

/* Electron traffic light padding — macOS hiddenInset titlebar */
.is-electron .app-topbar {
  padding-left: 96px;
  -webkit-app-region: drag;
}

.is-electron .app-topbar button,
.is-electron .app-topbar input,
.is-electron .app-topbar a,
.is-electron .app-topbar select,
.is-electron .app-topbar .collab-avatars {
  -webkit-app-region: no-drag;
}

.is-electron .brand {
  padding-left: 88px;
}

.app-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.app-logo:hover { color: var(--color-accent); }

.doc-title-input {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--color-text);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  outline: none;
  min-width: 12rem;
  transition: background var(--transition-fast);
}
.doc-title-input:hover { background: var(--color-hover); }
.doc-title-input:focus { background: var(--color-surface-alt); }

.topbar-spacer { flex: 1; }

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}
.status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-text-faint);
}
.status-dot.connected { background: var(--color-success); }
.status-dot.encrypted { background: var(--color-encrypted); }

.collab-avatars {
  display: flex;
  align-items: center;
}
.collab-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-collab-text);
  margin-left: -4px;
  border: 2px solid var(--color-surface);
}
.collab-avatar:first-child { margin-left: 0; }

/* --- Toolbar (Google Docs-style) --- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.toolbar.gdocs-toolbar {
  min-height: 40px;
  padding: 0 var(--space-sm);
  gap: 2px;
  flex-wrap: wrap;
  overflow: visible;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 1px;
}

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--color-border);
  margin: 0 4px;
  flex-shrink: 0;
}

/* Google Docs-style toolbar button */
.tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}
.tb-btn:active {
  transform: scale(0.95);
}
.tb-btn:hover {
  color: var(--color-text);
  background: #eeeeee;
  background: oklch(0.95 0 0);
}
.tb-btn:active,
.tb-btn.active {
  color: var(--color-accent);
  background: #c1dcf0;
  background: oklch(0.88 0.04 240);
}

/* Dark mode hover/active overrides for toolbar buttons */
[data-theme="dark"] .tb-btn:hover {
  background: #222222;
  background: oklch(0.25 0 0);
}
[data-theme="dark"] .tb-btn:active,
[data-theme="dark"] .tb-btn.active {
  background: #14242f;
  background: oklch(0.25 0.03 240);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tb-btn:hover {
    background: #222222;
    background: oklch(0.25 0 0);
  }
  :root:not([data-theme="light"]) .tb-btn:active,
  :root:not([data-theme="light"]) .tb-btn.active {
    background: #14242f;
    background: oklch(0.25 0.03 240);
  }
}

/* Text-style toolbar buttons (smaller font for text labels) */
.tb-btn-text {
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: -0.02em;
  width: auto;
  padding: 0 5px;
}

.tb-btn-underline {
  text-decoration: underline;
}
.tb-btn-strike {
  text-decoration: line-through;
}
.tb-btn-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}

/* Compact toolbar selects (Google Docs-style) */
.tb-select {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 2px 18px 2px 6px;
  height: 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
  background-size: 8px;
}
.tb-select:hover {
  border-color: var(--color-border);
  background-color: #eeeeee;
  background-color: oklch(0.95 0 0);
}
.tb-select:focus {
  border-color: var(--color-border-strong);
}
.tb-select-narrow {
  width: 52px;
  padding-right: 16px;
}

[data-theme="dark"] .tb-select:hover {
  background-color: #222222;
  background-color: oklch(0.25 0 0);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tb-select:hover {
    background-color: #222222;
    background-color: oklch(0.25 0 0);
  }
}

/* Color picker wrapper (shows swatch under icon) */
.tb-color-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.tb-color-wrap:hover {
  background: #eeeeee;
  background: oklch(0.95 0 0);
}
[data-theme="dark"] .tb-color-wrap:hover {
  background: #222222;
  background: oklch(0.25 0 0);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tb-color-wrap:hover {
    background: #222222;
    background: oklch(0.25 0 0);
  }
}
.tb-color {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  border: none;
  padding: 0;
}
.tb-color-label {
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-muted);
  pointer-events: none;
  position: relative;
  top: -4px;
}
.tb-color-swatch {
  position: absolute;
  bottom: 2px;
  left: 5px;
  right: 5px;
  height: var(--color-swatch-height, 4px);
  border-radius: 1px;
  background: var(--color-text);
  pointer-events: none;
}
.tb-color-swatch-highlight {
  background: var(--color-highlight-default);
}

/* Color palette dropdown (v0.58.0) — preset colors beside each picker */
.tb-color-palette-toggle {
  position: absolute;
  right: -8px;
  bottom: 0;
  width: 12px;
  height: 12px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-text-faint);
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
  border-radius: 2px;
  z-index: 2;
}
.tb-color-palette-toggle:hover {
  color: var(--color-text);
  background: var(--color-bg-hover, oklch(0.92 0 0));
}
[data-theme="dark"] .tb-color-palette-toggle:hover {
  background: oklch(0.3 0 0);
}
.tb-color-palette {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  padding: 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  display: grid;
  grid-template-columns: repeat(7, 20px);
  gap: 4px;
  z-index: 30;
}
.tb-color-palette[hidden] {
  display: none;
}
.tb-color-palette-swatch {
  width: 20px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  cursor: pointer;
  transition: transform 0.08s ease-out;
}
.tb-color-palette-swatch:hover,
.tb-color-palette-swatch:focus-visible {
  transform: scale(1.15);
  outline: 2px solid var(--color-accent, oklch(0.62 0.18 240));
  outline-offset: 1px;
}

/* Inline SVG toolbar icons */
.tb-icon {
  width: 16px;
  height: 16px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* Inline in buttons */
.tb-btn .tb-icon {
  display: block;
}
/* Inline in dropdown items */
.item-icon .tb-icon,
.dd-icon .tb-icon {
  display: block;
}

/* Legacy toolbar select/color (non-gdocs toolbars) */
.toolbar select {
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
}
.toolbar select:hover { border-color: var(--color-border-strong); }
.toolbar select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.toolbar input[type="color"] {
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 1px;
}
.toolbar input[type="color"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* --- Docs Editor --- */
.editor-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  justify-content: center;
  position: relative;
}

/* Toolbar must sit above editor-container's stacking context so dropdowns aren't clipped */
.toolbar {
  position: relative;
  z-index: var(--z-component);
}

.editor-wrapper {
  width: 100%;
  max-width: 48rem;
}

.tiptap {
  outline: none;
  min-height: 60vh;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

.tiptap > *:first-child { margin-top: 0; }

.tiptap h1 { font-size: 2rem; margin: 1.8em 0 0.6em; }
.tiptap h2 { font-size: 1.5rem; margin: 1.5em 0 0.5em; }
.tiptap h3 { font-size: 1.2rem; margin: 1.3em 0 0.4em; }

.tiptap p { margin: 0.6em 0; }

.tiptap ul, .tiptap ol {
  padding-left: 1.4em;
  margin: 0.5em 0;
}

.tiptap blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: 1em 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.tiptap pre {
  background: var(--color-surface-alt);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1em 0;
}
.tiptap pre code {
  background: none;
  padding: 0;
  font-size: 0.85rem;
}

.tiptap code {
  background: var(--color-surface-alt);
  padding: 0.15em 0.35em;
  border-radius: var(--radius-sm);
  font-size: 0.88em;
}

.tiptap a {
  color: var(--color-teal);
  cursor: pointer;
}

.tiptap img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1em 0;
}

.tiptap hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2em 0;
}

.tiptap table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
}
.tiptap th, .tiptap td {
  border: 1px solid var(--color-border);
  padding: 0.5em 0.7em;
  text-align: left;
}
.tiptap th {
  background: var(--color-surface);
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.tiptap ul[data-type="taskList"] {
  list-style: none;
  padding-left: 0;
  margin: 0.5em 0;
}
.tiptap ul[data-type="taskList"] li {
  display: flex;
  align-items: flex-start;
  gap: 0.375rem;
  margin-bottom: 0.15em;
}
/* Kill paragraph margins inside task items so text aligns with checkbox */
.tiptap ul[data-type="taskList"] li > div > p {
  margin: 0;
}
.tiptap ul[data-type="taskList"] li > label {
  /* Center 16px checkbox within the line: (line-height * 1em - 16px) / 2 ≈ 4.4px */
  margin-top: calc((1.55em - 16px) / 2);
  flex-shrink: 0;
  line-height: 0;
}

/* Task list checkbox styling */
.tiptap ul[data-type="taskList"] li > label input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 3px;
  background: var(--color-bg);
  cursor: pointer;
  pointer-events: auto;
  position: relative;
  display: block;
  flex-shrink: 0;
  margin: 0;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.tiptap ul[data-type="taskList"] li > label input[type="checkbox"]:hover {
  border-color: var(--color-accent);
  background: var(--color-hover);
}
.tiptap ul[data-type="taskList"] li > label input[type="checkbox"]:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.tiptap ul[data-type="taskList"] li > label input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3.5px;
  top: 0.5px;
  width: 5.5px;
  height: 9px;
  border: solid var(--color-btn-primary-text);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.tiptap ul[data-type="taskList"] li > label input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}
/* Nested task lists */
.tiptap ul[data-type="taskList"] ul[data-type="taskList"] {
  margin-top: 0.15em;
  margin-bottom: 0;
}
/* Checked task items: muted text */
.tiptap ul[data-type="taskList"] li[data-checked="true"] > div {
  color: var(--color-text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--color-text-faint);
}

/* Collaboration cursors */
.collaboration-cursor__caret {
  position: relative;
  border-left: 2px solid;
  border-right: none;
  margin-left: -1px;
  margin-right: -1px;
  pointer-events: none;
  word-break: normal;
}
.collaboration-cursor__label {
  position: absolute;
  bottom: 100%;
  left: -1px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px 3px 3px 0;
  white-space: nowrap;
  color: var(--color-cursor-label);
  user-select: none;
  pointer-events: none;
}

.tiptap .is-empty::before {
  content: attr(data-placeholder);
  float: left;
  color: var(--color-text-faint);
  pointer-events: none;
  height: 0;
  font-style: italic;
}

/* --- Sheets Spreadsheet --- */
.sheets-app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

.formula-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  flex-shrink: 0;
}

.cell-address {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  width: 5rem;
  text-align: center;
  padding: 0.3rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.formula-input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
}
.formula-input:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px var(--color-focus);
}

.sheet-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.sheet-main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.sheet-container {
  flex: 1;
  overflow: auto;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: #bbb7b0 transparent;
  scrollbar-color: oklch(0.78 0.01 75) transparent;
}

[data-theme="dark"] .sheet-container {
  scrollbar-color: #3e3a35 transparent;
  scrollbar-color: oklch(0.35 0.01 75) transparent;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-container {
    scrollbar-color: #3e3a35 transparent;
    scrollbar-color: oklch(0.35 0.01 75) transparent;
  }
}

/* WebKit scrollbar styling — matches .sheet-tabs. Thin thumb that fills
   the full track width, so there's no gap around the visible scrollbar. */
.sheet-container::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.sheet-container::-webkit-scrollbar-track {
  background: transparent;
}

.sheet-container::-webkit-scrollbar-thumb {
  background: #bbb7b0;
  background: oklch(0.78 0.01 75);
  border-radius: 3px;
}

.sheet-container::-webkit-scrollbar-thumb:hover {
  background: #9c9792;
  background: oklch(0.68 0.01 75);
}

[data-theme="dark"] .sheet-container::-webkit-scrollbar-thumb {
  background: #3e3a35;
  background: oklch(0.35 0.01 75);
}

[data-theme="dark"] .sheet-container::-webkit-scrollbar-thumb:hover {
  background: #59554f;
  background: oklch(0.45 0.01 75);
}

.sheet-container::-webkit-scrollbar-corner {
  background: transparent;
}

.sheet-grid {
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  user-select: none;
  width: max-content;
}

/*
 * #698 — keyboard focus indicator for the grid itself.
 * The grid table carries tabindex=0 so Tab from the toolbar / formula bar
 * lands here. The native outline would draw around the entire table body
 * (visually noisy); the selected cell already has its own teal outline
 * (`.sheet-grid td.selected`), so the grid-level focus ring is scoped to
 * keyboard-only activation (data-a11y-focus is set on Tab-press by the
 * inline script in index.html).
 */
.sheet-grid:focus { outline: none; }
[data-a11y-focus] .sheet-grid:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: -2px;
}

.sheet-grid th {
  background: var(--color-surface);
  border: none;
  border-right: 1px solid var(--color-grid-header-line);
  border-bottom: 1px solid var(--color-grid-header-line);
  padding: 0.25rem 0.5rem;
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  position: sticky;
  z-index: 2;
  text-align: center;
  min-width: 3rem;
  height: 26px;
  box-sizing: border-box;
}

/* Column resize handle in header */
.sheet-grid thead th .col-resize-handle {
  position: absolute;
  top: 0;
  right: -3px;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  z-index: 5;
}
.sheet-grid thead th .col-resize-handle:hover,
.sheet-grid thead th .col-resize-handle.resizing {
  background: var(--color-teal);
  opacity: 0.5;
}

/* Resize indicator line while dragging */
.col-resize-indicator {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--color-teal);
  z-index: var(--z-overlay);
  pointer-events: none;
  opacity: 0.7;
}

.sheet-grid th.corner {
  position: sticky;
  left: 0;
  top: 0;
  z-index: 6;
  width: 3rem;
  min-width: 3rem;
}

.sheet-grid thead th {
  top: 0;
  position: sticky;
  z-index: 3;
  background: var(--color-surface);
  cursor: s-resize;
}
.sheet-grid thead th.corner { cursor: default; }

/* Column header resize handle */
.sheet-grid thead th .col-resize-handle {
  position: absolute;
  top: 0;
  right: -3px;
  width: 6px;
  height: 100%;
  cursor: col-resize;
  z-index: 5;
}
.sheet-grid thead th .col-resize-handle:hover,
.sheet-grid thead th .col-resize-handle.active {
  background: var(--color-teal);
  opacity: 0.5;
}

/* Column resize guide line */
.col-resize-guide {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--color-teal);
  opacity: 0.6;
  z-index: 20;
  pointer-events: none;
}

/* Row resize handle (mirrors column resize handle pattern) */
.sheet-grid th.row-header .row-resize-handle {
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 6px;
  cursor: row-resize;
  z-index: 5;
}
.sheet-grid th.row-header .row-resize-handle:hover,
.sheet-grid th.row-header .row-resize-handle.active {
  background: var(--color-teal);
  opacity: 0.5;
}

/* Row resize guide line */
.row-resize-guide {
  position: absolute;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--color-teal);
  z-index: var(--z-overlay);
  pointer-events: none;
  opacity: 0.7;
}

/* Hidden row/column indicators */
.hidden-row-indicator { height: 12px; }
.hidden-row-indicator td { padding: 0 !important; border: none !important; }
.hidden-row-indicator-line {
  height: 6px;
  background: var(--color-teal);
  opacity: 0.6;
  cursor: pointer;
  border-radius: 3px;
  transition: opacity var(--transition-fast), height var(--transition-fast);
  position: relative;
}
.hidden-row-indicator-line:hover {
  opacity: 1;
  height: 10px;
}
.hidden-row-indicator-line::after {
  content: 'Click to unhide';
  position: absolute;
  left: 50%;
  top: -22px;
  transform: translateX(-50%);
  font-size: 0.6rem;
  font-family: var(--font-body);
  color: var(--color-bg);
  background: var(--color-text);
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.hidden-row-indicator-line:hover::after { opacity: 1; }
.hidden-col-boundary {
  border-right: 2px solid var(--color-teal) !important;
  position: relative;
}

/* Clickable column unhide indicator (matches row indicator pattern) */
.hidden-col-indicator {
  position: absolute;
  top: 0;
  right: -6px;
  width: 12px;
  height: 100%;
  cursor: pointer;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hidden-col-indicator-bar {
  width: 6px;
  height: 100%;
  background: var(--color-teal);
  opacity: 0.6;
  border-radius: 3px;
  transition: opacity var(--transition-fast), width var(--transition-fast);
}
.hidden-col-indicator:hover .hidden-col-indicator-bar {
  opacity: 1;
  width: 8px;
}
.hidden-col-indicator::after {
  content: 'Click to unhide';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 4px;
  font-size: 0.6rem;
  font-family: var(--font-body);
  color: var(--color-bg);
  background: var(--color-text);
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 20;
}
.hidden-col-indicator:hover::after { opacity: 1; }
.hidden-row-boundary {
  border-bottom: 2px solid var(--color-teal) !important;
  position: relative;
}

.sheet-grid .row-header {
  position: sticky;
  left: 0;
  z-index: 1;
  width: 3rem;
  min-width: 3rem;
  text-align: center;
  cursor: e-resize;
  background: var(--color-surface);
}

.sheet-grid td {
  border: none;
  padding: 0;
  height: 26px;
  min-height: 26px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  /* Grid lines via box-shadow instead of borders — avoids double-line
     artifacts from border-collapse/separate + sticky + background-clip
     interactions. Shadows render on top of backgrounds reliably. */
  box-shadow: inset -1px 0 0 var(--color-grid-line),
              inset 0 -1px 0 var(--color-grid-line);
}

/* All rows rendered — browser scrolls natively, no virtual scroll spacers needed */

.sheet-grid td .cell-display {
  padding: 0.15rem 0.4rem;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  cursor: cell;
}

/* Cell overflow text: when the next cell is empty, allow text to visually spill over */
.sheet-grid td.cell-overflow .cell-display {
  overflow: visible;
  z-index: 1;
  position: relative;
}

/* When the adjacent cell has content, show ellipsis instead of overflow */
.sheet-grid td.cell-overflow-clip .cell-display {
  text-overflow: ellipsis;
}

.sheet-grid td.selected {
  outline: 2px solid var(--color-teal);
  outline-offset: -1px;
  z-index: 1;
}

/* Multi-cell selection range highlight */
.sheet-grid td.in-range {
  background: #53c2c11f !important;
  background: oklch(0.75 0.1 195 / 0.12) !important;
}
[data-theme="dark"] .sheet-grid td.in-range {
  background: #00656633 !important;
  background: oklch(0.45 0.1 195 / 0.2) !important;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid td.in-range {
    background: #00656633 !important;
    background: oklch(0.45 0.1 195 / 0.2) !important;
  }
}

/* Array formula spill range */
.sheet-grid td.spill-source,
.sheet-grid td.spill-target {
  border: 1px dashed #2784d580;
  border: 1px dashed oklch(0.6 0.15 250 / 0.5);
}
.sheet-grid td.spill-target .cell-display {
  color: #717171;
  color: oklch(0.55 0 0);
}
[data-theme="dark"] .sheet-grid td.spill-target .cell-display {
  color: #9e9e9e;
  color: oklch(0.7 0 0);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid td.spill-target .cell-display {
    color: #9e9e9e;
    color: oklch(0.7 0 0);
  }
}

/* --- Rich cell types --- */
.cell-checkbox {
  cursor: pointer;
  font-size: 1.1em;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}
.cell-rating {
  display: flex;
  gap: 1px;
  align-items: center;
  width: 100%;
}
.cell-rating-star {
  cursor: pointer;
  color: #9e9e9e;
  color: oklch(0.7 0 0);
  font-size: 1em;
  line-height: 1;
  user-select: none;
  transition: color var(--transition-fast);
}
.cell-rating-star.filled {
  color: #d9a514;
  color: oklch(0.75 0.15 85);
}
.cell-rating-star:hover {
  color: #f2b200;
  color: oklch(0.8 0.18 85);
}
.cell-progress {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  width: 100%;
  min-width: 60px;
}
.cell-progress-bar {
  height: 0.6rem;
  border-radius: 3px;
  transition: width var(--transition-med);
  flex-shrink: 0;
}
.cell-progress-label {
  font-size: 0.7rem;
  color: #808080;
  color: oklch(0.6 0 0);
  white-space: nowrap;
}

/* --- Image Cell Styles --- */
.cell-image-container { display: flex; align-items: center; justify-content: center; padding: 2px; min-height: 24px; }
.cell-image-container img { border-radius: 2px; }

/* --- Pivot Table Styles --- */
.pivot-section { padding: var(--space-sm) var(--space-md); }
.pivot-section:empty { display: none; }
.pivot-container {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-bg);
  margin-bottom: var(--space-md);
  overflow-x: auto;
}
.pivot-container h4 { margin: 0 0 var(--space-sm) 0; font-size: 0.9rem; }
.pivot-actions {
  position: absolute; top: var(--space-xs); right: var(--space-xs);
  display: flex; gap: var(--space-xs);
}
.pivot-actions button {
  font-size: 0.75rem; padding: 2px 8px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-bg); cursor: pointer;
}
.pivot-actions button:hover { background: var(--color-bg-hover); }
.pivot-table {
  width: 100%; border-collapse: collapse; font-size: 0.8rem;
}
.pivot-table th, .pivot-table td {
  border: 1px solid var(--color-border); padding: 4px 8px; text-align: right;
}
.pivot-table th { background: var(--color-bg-secondary); font-weight: 600; text-align: left; }
.pivot-table td.pivot-row-header { font-weight: 600; text-align: left; background: var(--color-bg-secondary); }
.pivot-table td.pivot-total { font-weight: 600; background: #f6ede0; }
.pivot-table td.pivot-total { font-weight: 600; background: oklch(0.95 0.02 80); }
[data-theme="dark"] .pivot-table td.pivot-total { background: #272117; }
[data-theme="dark"] .pivot-table td.pivot-total { background: oklch(0.25 0.02 80); }
.pivot-table tfoot td { font-weight: 600; background: var(--color-bg-secondary); }

/* --- Database View Styles --- */
.database-view-section { padding: var(--space-sm) var(--space-md); }
.database-view-section:empty { display: none; }
.db-view-toolbar {
  display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
}
.db-view-toolbar select, .db-view-toolbar button {
  font-size: 0.8rem; padding: 4px 8px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-bg);
}
.db-view-close { margin-left: auto; cursor: pointer; }

/* Kanban */
.kanban-board {
  display: flex; gap: var(--space-md); overflow-x: auto; padding-bottom: var(--space-sm);
  min-height: 200px;
}
.kanban-column {
  min-width: 220px; max-width: 280px; flex-shrink: 0;
  background: var(--color-bg-secondary); border-radius: var(--radius-md);
  padding: var(--space-sm);
}
.kanban-column-header {
  font-weight: 600; font-size: 0.85rem; margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs); border-bottom: 2px solid var(--color-border);
  display: flex; justify-content: space-between; align-items: center;
}
.kanban-column-count {
  font-size: 0.7rem; color: var(--color-text-secondary);
  background: var(--color-bg); border-radius: 99px; padding: 1px 6px;
}
.kanban-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-xs); cursor: pointer; font-size: 0.8rem;
  transition: box-shadow var(--transition-fast);
}
.kanban-card:hover { box-shadow: 0 2px 8px #0000001a; }
.kanban-card:hover { box-shadow: 0 2px 8px oklch(0 0 0 / 0.1); }
.kanban-card-title { font-weight: 600; margin-bottom: 2px; }
.kanban-card-field { color: var(--color-text-secondary); font-size: 0.75rem; }

/* Gallery */
.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}
.gallery-card {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-md);
  cursor: pointer; transition: box-shadow var(--transition-fast);
}
.gallery-card:hover { box-shadow: 0 2px 8px #0000001a; }
.gallery-card:hover { box-shadow: 0 2px 8px oklch(0 0 0 / 0.1); }
.gallery-card-title { font-weight: 600; font-size: 0.9rem; margin-bottom: var(--space-xs); }
.gallery-card-field { font-size: 0.8rem; color: var(--color-text-secondary); }
.gallery-card-field-label { font-weight: 500; }

/* Calendar */
.calendar-view { max-width: 900px; }
.calendar-month-header {
  font-size: 1rem; font-weight: 600; margin: var(--space-md) 0 var(--space-sm);
  display: flex; align-items: center; gap: var(--space-sm);
}
.calendar-month-nav { font-size: 0.85rem; cursor: pointer; background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 2px 8px; }
.calendar-view .calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px;
  background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-sm);
}
.calendar-view .calendar-day-header {
  background: var(--color-bg-secondary); padding: 4px; text-align: center;
  font-size: 0.75rem; font-weight: 600;
}
.calendar-view .calendar-day {
  background: var(--color-bg); min-height: 80px; padding: 4px;
  font-size: 0.75rem; vertical-align: top;
}
.calendar-view .calendar-day.calendar-day-other { opacity: 0.4; }
.calendar-view .calendar-day-number { font-weight: 600; margin-bottom: 2px; }
.calendar-view .calendar-event {
  background: #7ee3d0; color: #002922;
  background: oklch(0.85 0.1 180); color: oklch(0.25 0.05 180);
  border-radius: 3px; padding: 1px 4px; margin-bottom: 1px;
  font-size: 0.7rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  cursor: pointer;
}
[data-theme="dark"] .calendar-view .calendar-event { background: #004a3c; color: #abd9cf; }
[data-theme="dark"] .calendar-view .calendar-event { background: oklch(0.35 0.1 180); color: oklch(0.85 0.05 180); }
.calendar-view .calendar-event:hover { opacity: 0.8; }

/* --- Form Builder Styles --- */
.form-builder-main { max-width: 720px; margin: 0 auto; padding: var(--space-md); }
.form-builder-toolbar {
  display: flex; gap: var(--space-sm); margin-bottom: var(--space-md);
  padding: var(--space-sm); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); background: var(--color-bg-secondary);
}
.form-header { margin-bottom: var(--space-md); }
.form-description {
  width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: var(--space-sm); font-size: 0.9rem; resize: vertical;
  background: var(--color-bg); color: var(--color-text);
}
.form-question-card {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-md); margin-bottom: var(--space-sm);
  background: var(--color-bg); transition: border-color var(--transition-fast);
}
.form-question-card:focus-within { border-color: var(--color-accent); }
.form-question-header {
  display: flex; align-items: center; gap: var(--space-xs); margin-bottom: var(--space-sm);
}
.form-question-number {
  width: 24px; height: 24px; border-radius: 50%; background: var(--color-accent);
  color: white; display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 600; flex-shrink: 0;
}
.form-question-type-badge {
  font-size: 0.7rem; padding: 2px 6px; border-radius: 99px;
  background: var(--color-bg-secondary); color: var(--color-text-secondary);
}
.form-question-label, .form-question-desc {
  width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm); font-size: 0.9rem;
  margin-bottom: var(--space-xs); background: var(--color-bg); color: var(--color-text);
}
.form-question-label { font-weight: 500; }
.form-question-desc { font-size: 0.8rem; color: var(--color-text-secondary); }
.form-question-required-label { font-size: 0.75rem; display: flex; align-items: center; gap: 4px; }
.form-question-header button {
  background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 2px 6px; cursor: pointer; font-size: 0.8rem;
}
.form-question-header button:hover { background: var(--color-bg-hover); }
.form-question-header button:disabled { opacity: 0.3; cursor: default; }
.form-question-options { margin-top: var(--space-xs); }
.form-option-row {
  display: flex; align-items: center; gap: var(--space-xs); margin-bottom: 4px;
}
.form-option-input {
  flex: 1; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 4px 8px; font-size: 0.8rem; background: var(--color-bg); color: var(--color-text);
}
.form-option-remove, .form-add-option {
  font-size: 0.75rem; background: none; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: 2px 6px; cursor: pointer;
}
.form-add-option { margin-top: 4px; }
.form-question-type-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xs);
}
.form-type-btn {
  display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-bg); cursor: pointer; font-size: 0.85rem;
}
.form-type-btn:hover { background: var(--color-bg-hover); border-color: var(--color-accent); }
.form-type-icon { font-size: 1.1rem; width: 24px; text-align: center; }

/* Form preview */
.form-preview-container { max-width: 600px; margin: 0 auto; }
.form-preview-desc { color: var(--color-text-secondary); margin-bottom: var(--space-md); }
.form-preview-question { margin-bottom: var(--space-md); }
.form-preview-label { font-weight: 500; display: block; margin-bottom: 4px; }
.form-required-mark { color: #de3b3d; }
.form-required-mark { color: oklch(0.6 0.2 25); }
.form-preview-hint { font-size: 0.8rem; color: var(--color-text-secondary); margin: 2px 0 6px; }
.form-preview-input, .form-preview-textarea, .form-preview-select {
  width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm); font-size: 0.9rem;
  background: var(--color-bg); color: var(--color-text);
}
.form-preview-radio, .form-preview-checkbox {
  display: block; padding: 4px 0; font-size: 0.9rem; cursor: pointer;
}
.form-preview-rating, .form-preview-scale { display: flex; gap: 4px; }
.form-rating-star {
  font-size: 1.5rem; background: none; border: none; cursor: pointer;
  color: var(--color-border); transition: color var(--transition-fast);
}
.form-rating-star:hover, .form-rating-star.active { color: #dfa11a; }
.form-rating-star:hover, .form-rating-star.active { color: oklch(0.75 0.15 80); }
.form-scale-btn {
  width: 32px; height: 32px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-bg); cursor: pointer; font-size: 0.85rem;
}
.form-scale-btn:hover, .form-scale-btn.active {
  background: var(--color-accent); color: white; border-color: var(--color-accent);
}
.form-preview-error { color: #de3b3d; font-size: 0.8rem; min-height: 1.2em; }
.form-preview-error { color: oklch(0.6 0.2 25); font-size: 0.8rem; min-height: 1.2em; }
.form-preview-actions { margin-top: var(--space-lg); }

/* File upload question */
.form-file-upload { margin-top: var(--space-xs); }
.form-file-input {
  display: block;
  width: 100%;
  padding: var(--space-sm);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm, 4px);
  background: var(--color-bg);
  cursor: pointer;
  font-size: 0.85rem;
}
.form-file-input:hover { border-color: var(--color-accent); }
.form-file-input:disabled { opacity: 0.5; cursor: wait; }
.form-file-status { font-size: 0.8rem; margin-top: 4px; min-height: 1.2em; }
.form-file-uploading { color: var(--color-text-secondary); }
.form-file-success { color: oklch(0.6 0.18 145); }
.form-file-error { color: oklch(0.6 0.2 25); }
.form-file-name { font-weight: 500; }
.form-file-size { color: var(--color-text-secondary); }
.form-file-link { color: var(--color-accent); text-decoration: underline; }

.sheet-grid td.editing .cell-display { display: none; }

.cell-editor {
  position: absolute;
  top: 0;
  left: 0;
  min-width: 100%;
  min-height: 100%;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.15rem 0.4rem;
  border: 2px solid var(--color-teal);
  border-radius: 1px;
  outline: none;
  background: var(--color-cell-editor-bg);
  color: var(--color-text);
  z-index: var(--z-component);
  box-shadow: 0 2px 8px #006e6f26;
  box-shadow: 0 2px 8px oklch(0.48 0.1 195 / 0.15);
  box-sizing: border-box;
}
.cell-editor::placeholder {
  color: var(--color-text-faint);
  font-style: italic;
}

/* --- Frozen panes --- */
.sheet-grid td.frozen-row,
.sheet-grid td.frozen-col,
.sheet-grid td.frozen-corner {
  position: sticky;
  background: var(--color-bg);
  /* Force own compositing layer — prevents WebKit/Blink from dropping the
     background paint of sticky cells during fast scrolling (oklch + custom
     properties exacerbate the bug). */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

[data-theme="dark"] .sheet-grid td.frozen-row,
[data-theme="dark"] .sheet-grid td.frozen-col,
[data-theme="dark"] .sheet-grid td.frozen-corner {
  background: var(--color-bg);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid td.frozen-row,
  :root:not([data-theme="light"]) .sheet-grid td.frozen-col,
  :root:not([data-theme="light"]) .sheet-grid td.frozen-corner {
    background: var(--color-bg);
  }
}

.sheet-grid td.frozen-row {
  z-index: 3;
}

.sheet-grid td.frozen-col {
  z-index: 2;
}

.sheet-grid td.frozen-corner {
  z-index: 4;
}

/* Frozen column headers (thead th) that are also sticky-left need z-index 5
   so they stay above frozen-corner cells (z-index 4) during scrolling. */
.sheet-grid thead th.frozen-col {
  z-index: 5;
}

/* Frozen row headers need z-index 4 so they stay above frozen-row cells (z-index 3)
   when scrolling horizontally. They're sticky in both directions (left from .row-header,
   top from inline style). */
.sheet-grid th.row-header.frozen-row {
  z-index: 4;
  background: var(--color-surface);
}

/* Freeze boundary: thicker line with shadow for clear visual separation */
.sheet-grid td.freeze-border-bottom,
.sheet-grid th.freeze-border-bottom {
  border-bottom: 2px solid #006e6f99;
  border-bottom: 2px solid oklch(0.48 0.1 195 / 0.6);
  box-shadow: 0 2px 4px #006e6f26;
  box-shadow: 0 2px 4px oklch(0.48 0.1 195 / 0.15);
}

.sheet-grid td.freeze-border-right,
.sheet-grid th.freeze-border-right {
  border-right: 2px solid #006e6f99;
  border-right: 2px solid oklch(0.48 0.1 195 / 0.6);
  box-shadow: 2px 0 4px #006e6f26;
  box-shadow: 2px 0 4px oklch(0.48 0.1 195 / 0.15);
}

/* Corner cells with both borders need combined box-shadow (CSS overwrites, not combines) */
.sheet-grid td.freeze-border-bottom.freeze-border-right,
.sheet-grid th.freeze-border-bottom.freeze-border-right {
  box-shadow: 2px 0 4px #006e6f26, 0 2px 4px #006e6f26;
  box-shadow: 2px 0 4px oklch(0.48 0.1 195 / 0.15), 0 2px 4px oklch(0.48 0.1 195 / 0.15);
}

[data-theme="dark"] .sheet-grid td.freeze-border-bottom,
[data-theme="dark"] .sheet-grid th.freeze-border-bottom {
  border-bottom-color: #0f9293b3;
  border-bottom-color: oklch(0.6 0.1 195 / 0.7);
  box-shadow: 0 2px 6px #00000066;
  box-shadow: 0 2px 6px oklch(0.05 0.005 195 / 0.4);
}

[data-theme="dark"] .sheet-grid td.freeze-border-right,
[data-theme="dark"] .sheet-grid th.freeze-border-right {
  border-right-color: #0f9293b3;
  border-right-color: oklch(0.6 0.1 195 / 0.7);
  box-shadow: 2px 0 6px #00000066;
  box-shadow: 2px 0 6px oklch(0.05 0.005 195 / 0.4);
}

[data-theme="dark"] .sheet-grid td.freeze-border-bottom.freeze-border-right,
[data-theme="dark"] .sheet-grid th.freeze-border-bottom.freeze-border-right {
  box-shadow: 2px 0 6px #00000066, 0 2px 6px #00000066;
  box-shadow: 2px 0 6px oklch(0.05 0.005 195 / 0.4), 0 2px 6px oklch(0.05 0.005 195 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid td.freeze-border-bottom,
  :root:not([data-theme="light"]) .sheet-grid th.freeze-border-bottom {
    border-bottom-color: #0f9293b3;
    border-bottom-color: oklch(0.6 0.1 195 / 0.7);
    box-shadow: 0 2px 6px #00000066;
    box-shadow: 0 2px 6px oklch(0.05 0.005 195 / 0.4);
  }
  :root:not([data-theme="light"]) .sheet-grid td.freeze-border-right,
  :root:not([data-theme="light"]) .sheet-grid th.freeze-border-right {
    border-right-color: #0f9293b3;
    border-right-color: oklch(0.6 0.1 195 / 0.7);
    box-shadow: 2px 0 6px #00000066;
    box-shadow: 2px 0 6px oklch(0.05 0.005 195 / 0.4);
  }
  :root:not([data-theme="light"]) .sheet-grid td.freeze-border-bottom.freeze-border-right,
  :root:not([data-theme="light"]) .sheet-grid th.freeze-border-bottom.freeze-border-right {
    box-shadow: 2px 0 6px #00000066, 0 2px 6px #00000066;
    box-shadow: 2px 0 6px oklch(0.05 0.005 195 / 0.4), 0 2px 6px oklch(0.05 0.005 195 / 0.4);
  }
}


/* Active state for freeze toolbar buttons */
.btn-icon.freeze-active,
.tb-btn.freeze-active {
  color: var(--color-teal);
  background: var(--color-teal-light);
}

/* Cursor during column resize */
body.col-resizing,
body.col-resizing * {
  cursor: col-resize !important;
  user-select: none !important;
}

/* Cell formatting classes */
.cell-bold { font-weight: 600; }
.cell-italic { font-style: italic; }
.cell-align-left { justify-content: flex-start; }
.cell-align-center { justify-content: center; }
.cell-align-right { justify-content: flex-end; }

/* Sheet tabs — fixed-height strip with horizontally scrollable tabs
   and a sticky "add sheet" button that stays visible while scrolling. */
.sheet-tabs {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: oklch(0.78 0.01 75) transparent;
}
[data-theme="dark"] .sheet-tabs {
  scrollbar-color: oklch(0.35 0.01 75) transparent;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-tabs {
    scrollbar-color: oklch(0.35 0.01 75) transparent;
  }
}

/* Thin scrollbar matched to .sheet-container — no transparent border so
   the thumb fills the track, no "gappy" look. */
.sheet-tabs::-webkit-scrollbar {
  height: 6px;
}
.sheet-tabs::-webkit-scrollbar-track {
  background: transparent;
}
.sheet-tabs::-webkit-scrollbar-thumb {
  background: oklch(0.78 0.01 75);
  border-radius: 3px;
}
.sheet-tabs::-webkit-scrollbar-thumb:hover {
  background: oklch(0.68 0.01 75);
}
[data-theme="dark"] .sheet-tabs::-webkit-scrollbar-thumb {
  background: oklch(0.35 0.01 75);
}
[data-theme="dark"] .sheet-tabs::-webkit-scrollbar-thumb:hover {
  background: oklch(0.45 0.01 75);
}
.sheet-tabs::-webkit-scrollbar-corner {
  background: transparent;
}

.sheet-tab {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  flex-shrink: 0;
  white-space: nowrap;
  line-height: 1.4;
}
.sheet-tab:hover { background: var(--color-hover); color: var(--color-text); }
.sheet-tab.active {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-border);
}

/* Sheet tab drag reorder */
.sheet-tab.dragging {
  opacity: 0.4;
}

.sheet-tab.drag-over-left::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 2px;
  bottom: 2px;
  width: 2px;
  background: var(--color-teal);
  border-radius: 1px;
}

.sheet-tab.drag-over-right::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 2px;
  bottom: 2px;
  width: 2px;
  background: var(--color-teal);
  border-radius: 1px;
}

/* Sticky "add sheet" button — stays pinned to the right edge of the
   visible strip even while the tab list is scrolled. Uses a ::before
   gradient to softly fade tabs out as they scroll underneath, instead
   of hard-stopping at a box-shadow edge. */
.sheet-tab-add {
  position: sticky;
  right: 0;
  flex-shrink: 0;
  font-size: 0.9rem;
  line-height: 1;
  padding: var(--space-xs) var(--space-sm);
  margin-left: auto;
  background: var(--color-surface);
  border: 1px solid transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.sheet-tab-add::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 100%;
  width: 24px;
  pointer-events: none;
  background: linear-gradient(to right, transparent, var(--color-surface));
}
.sheet-tab-add:hover {
  background: var(--color-hover);
  color: var(--color-text);
  border-color: var(--color-border);
}
.sheet-tab-add:hover::before {
  background: linear-gradient(to right, transparent, var(--color-hover));
}

/* Sheet tab color bar — colored underline indicator */
.sheet-tab-color-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  pointer-events: none;
}

/* Sheet tab label (inside button, next to color bar) */
.sheet-tab-label {
  position: relative;
  z-index: 1;
}

/* Inline rename input */
.sheet-tab-rename {
  outline: none;
  border: 1px solid var(--color-teal);
  border-radius: 2px;
  padding: 0 2px;
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  min-width: 2em;
  cursor: text;
}

/* Sheet tab color picker popup */
.sheet-tab-color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 148px;
}

.sheet-tab-color-swatch {
  width: 24px;
  height: 24px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.sheet-tab-color-swatch:hover {
  transform: scale(1.15);
  border-color: var(--color-text-muted);
}
.sheet-tab-color-swatch.selected {
  border-color: var(--color-teal);
}

/* "No color" swatch */
.sheet-tab-color-none {
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  line-height: 20px;
  text-align: center;
  border-color: var(--color-border);
}

/* --- Utility classes --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.flex { display: flex; }
.items-center { align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

/* --- Key entry modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 28rem;
  width: 90vw;
  box-shadow: var(--shadow-lg);
}

.modal h2 {
  margin-bottom: var(--space-sm);
}

.modal p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

.modal input[type="text"],
.modal input[type="password"] {
  width: 100%;
  padding: 0.6rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  margin-bottom: var(--space-md);
}
.modal input:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px var(--color-focus);
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

/* --- Keyboard Shortcuts Modal --- */
.shortcuts-modal {
  max-width: 36rem;
  max-height: 80vh;
  overflow-y: auto;
}

.shortcuts-modal h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shortcuts-modal-close {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  line-height: 1;
}
.shortcuts-modal-close:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

/* --- Toolbar Dropdowns --- */
.toolbar-dropdown {
  position: relative;
  display: inline-flex;
}

.toolbar-dropdown-toggle {
  padding: 0 5px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 14px;
  height: 28px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.toolbar-dropdown-toggle:hover {
  color: var(--color-text);
  background: var(--color-hover);
}
.toolbar-dropdown-toggle.active {
  color: var(--color-accent);
  background: var(--color-btn-active-bg);
}
.toolbar-dropdown-toggle .caret {
  font-size: 0.55rem;
  opacity: 0.5;
  margin-left: 0.1rem;
}

.toolbar-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: var(--z-float);
  min-width: 10rem;
  padding: var(--space-xs) 0;
  margin-top: 2px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px #2218121f, 0 1px 3px #2218120f;
  box-shadow: 0 4px 16px oklch(0.22 0.02 55 / 0.12), 0 1px 3px oklch(0.22 0.02 55 / 0.06);
}
.toolbar-dropdown.open .toolbar-dropdown-menu {
  display: block;
}

.toolbar-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.35rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
  white-space: nowrap;
}
.toolbar-dropdown-item:hover {
  background: var(--color-hover);
}
.toolbar-dropdown-item.active {
  color: var(--color-accent);
  font-weight: 600;
}
.toolbar-dropdown-item .item-icon {
  width: 1.2rem;
  text-align: center;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.toolbar-dropdown-item .item-label {
  flex: 1;
}
.toolbar-dropdown-item .item-shortcut {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  margin-left: var(--space-sm);
}

.toolbar-dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xs) 0;
}

/* --- Overflow / More Menu --- */
.toolbar-overflow {
  position: relative;
  display: inline-flex;
}
.toolbar-overflow-toggle {
  padding: 0 6px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 14px;
  height: 28px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.toolbar-overflow-toggle:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

.toolbar-overflow-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  z-index: var(--z-float);
  min-width: 13rem;
  padding: var(--space-xs) 0;
  margin-top: 2px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.toolbar-overflow.open .toolbar-overflow-menu {
  display: block;
}

/* --- Toolbar layout (flat, single-row) --- */
.toolbar {
  position: relative;
}

/* Gdocs toolbar dropdown/overflow toggles: hover/active match .tb-btn states */
.gdocs-toolbar .toolbar-dropdown-toggle:hover,
.gdocs-toolbar .toolbar-overflow-toggle:hover {
  background: #eeeeee;
  background: oklch(0.95 0 0);
}
.gdocs-toolbar .toolbar-dropdown-toggle.active {
  background: #c1dcf0;
  background: oklch(0.88 0.04 240);
}
[data-theme="dark"] .gdocs-toolbar .toolbar-dropdown-toggle:hover,
[data-theme="dark"] .gdocs-toolbar .toolbar-overflow-toggle:hover {
  background: #222222;
  background: oklch(0.25 0 0);
}
[data-theme="dark"] .gdocs-toolbar .toolbar-dropdown-toggle.active {
  background: #14242f;
  background: oklch(0.25 0.03 240);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .gdocs-toolbar .toolbar-dropdown-toggle:hover,
  :root:not([data-theme="light"]) .gdocs-toolbar .toolbar-overflow-toggle:hover {
    background: #222222;
    background: oklch(0.25 0 0);
  }
  :root:not([data-theme="light"]) .gdocs-toolbar .toolbar-dropdown-toggle.active {
    background: #14242f;
    background: oklch(0.25 0.03 240);
  }
}

.shortcut-category { margin-bottom: var(--space-lg); }

.shortcut-category-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: 0.85rem;
}

.shortcut-label { color: var(--color-text); }
.shortcut-keys { display: flex; align-items: center; gap: 3px; }

.shortcut-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.4rem;
  color: var(--color-text-muted);
  min-width: 1.4rem;
  text-align: center;
}

/* --- Word/Character Count Footer --- */
.docs-footer {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xs) var(--space-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

/* --- Autosave Indicator --- */
.save-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  min-width: 12ch;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}
.save-indicator.saving { color: var(--color-warning); }
.save-indicator.unsaved { color: var(--color-accent); }
.save-indicator.saved { color: var(--color-text-faint); }

/* --- Improved Range Selection (#18) --- */
.sheet-grid td.in-range {
  background: var(--color-range-bg);
}

.sheet-grid td.range-top { border-top: 2px solid var(--color-teal); }
.sheet-grid td.range-bottom { border-bottom: 2px solid var(--color-teal); }
.sheet-grid td.range-left { border-left: 2px solid var(--color-teal); }
.sheet-grid td.range-right { border-right: 2px solid var(--color-teal); }

/* --- Drag-to-Fill Handle --- */
.sheet-grid td.has-fill-handle {
  overflow: visible;
}
.fill-handle {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 7px;
  height: 7px;
  background: var(--color-teal);
  cursor: crosshair;
  z-index: 6;
  border: 1px solid var(--color-bg);
  pointer-events: auto;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .fill-handle {
    border-color: var(--color-bg);
  }
}
.sheet-grid td.fill-preview {
  background: #c7eded;
  background: oklch(0.92 0.04 195);
  outline: 1px dashed var(--color-teal);
  outline-offset: -1px;
}
[data-theme="dark"] .sheet-grid td.fill-preview {
  background: #032728;
  background: oklch(0.25 0.04 195);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid td.fill-preview {
    background: #032728;
    background: oklch(0.25 0.04 195);
  }
}

/* Header hover states */
.sheet-grid th[data-col]:hover,
.sheet-grid th.row-header:hover {
  background: #e2e9ee;
  background: oklch(0.93 0.01 240);
}
[data-theme="dark"] .sheet-grid th[data-col]:hover,
[data-theme="dark"] .sheet-grid th.row-header:hover {
  background: #171b1f;
  background: oklch(0.22 0.01 240);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid th[data-col]:hover,
  :root:not([data-theme="light"]) .sheet-grid th.row-header:hover {
    background: #171b1f;
    background: oklch(0.22 0.01 240);
  }
}

.sheet-grid th.col-selected {
  /* Layer semi-transparent teal onto solid surface so sticky headers don't go transparent */
  background: linear-gradient(var(--color-range-header-bg), var(--color-range-header-bg)), var(--color-surface);
  color: var(--color-teal);
}

.sheet-grid th.row-selected {
  background: linear-gradient(var(--color-range-header-bg), var(--color-range-header-bg)), var(--color-surface);
  color: var(--color-teal);
}

/* --- Cell Merge (#11) --- */
.btn-icon.merge-active,
.tb-btn.merge-active {
  color: var(--color-teal);
  background: var(--color-merge-active-bg);
}

.sheet-grid td.merged-cell {
  z-index: 1;
  overflow: visible;
  background: var(--color-bg);
}


/* --- Format Painter (#active state) --- */
.tb-btn.format-painter-active,
.tb-btn#tb-format-painter.active {
  color: var(--color-accent);
  background: #c1dcf0;
  background: oklch(0.88 0.04 240);
}

[data-theme="dark"] .tb-btn#tb-format-painter.active {
  background: #14242f;
  background: oklch(0.25 0.03 240);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tb-btn#tb-format-painter.active {
    background: #14242f;
    background: oklch(0.25 0.03 240);
  }
}

body.format-painter-active,
body.format-painter-active .sheet-grid td {
  cursor: crosshair !important;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .landing-actions { flex-direction: column; align-items: stretch; }
  .new-dropdown, .new-btn, .daily-note-btn { width: 100%; justify-content: center; }
  .new-menu { left: 0; right: 0; }
  .editor-container { padding: var(--space-md); }
  .shortcuts-modal { max-width: 95vw; }
  .docs-footer { gap: var(--space-md); }
}

/* --- Inline Comments --- */
.tiptap .comment-mark {
  background: var(--color-comment-bg);
  border-bottom: 2px solid var(--color-comment-border);
  cursor: pointer;
  border-radius: 1px;
  transition: background var(--transition-fast);
}
.tiptap .comment-mark:hover {
  background: var(--color-comment-bg-hover);
}

.comment-popover {
  position: fixed;
  z-index: var(--z-popover);
  min-width: 14rem;
  max-width: 22rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.comment-popover-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.comment-popover-author {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--color-text);
}

.comment-popover-time {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
}

.comment-popover-text {
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: var(--space-sm);
  word-wrap: break-word;
}

.comment-popover-actions {
  display: flex;
  gap: var(--space-xs);
  justify-content: flex-end;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xs);
}

.comment-resolve-btn {
  color: var(--color-success);
  font-size: 0.75rem;
}
.comment-resolve-btn:hover {
  color: var(--color-text);
}

.comment-delete-btn {
  color: var(--color-danger);
  font-size: 0.75rem;
}
.comment-delete-btn:hover {
  color: var(--color-text);
}


/* --- Toast notifications --- */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: var(--color-text);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity var(--transition-med), transform var(--transition-med);
  z-index: var(--z-tooltip);
  pointer-events: none;
}
.toast-notification.toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast-notification.toast-error {
  background: var(--color-danger);
}
.toast-notification.toast-interactive {
  pointer-events: auto;
}
.toast-undo {
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  margin-left: 0.75rem;
  opacity: 0.9;
}
.toast-undo:hover {
  opacity: 1;
}

/* --- Offline indicator badge --- */
.offline-badge {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 0.75rem);
  right: calc(env(safe-area-inset-right, 0px) + 0.75rem);
  display: none;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: var(--color-warning, #d9974a);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm, 4px);
  box-shadow: var(--shadow-md);
  z-index: var(--z-tooltip);
  pointer-events: none;
  user-select: none;
}
.offline-badge-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #fff;
  animation: offline-badge-pulse 2s ease-in-out infinite;
}
@keyframes offline-badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* --- Drag-and-drop import overlay --- */
.drop-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-drop);
  background: var(--color-modal-backdrop);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: drop-overlay-in 150ms ease-out;
}

@keyframes drop-overlay-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.drop-overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  border: 2px dashed var(--color-teal);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  pointer-events: none;
}

.drop-overlay-icon {
  font-size: 3rem;
  line-height: 1;
}

.drop-overlay-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text);
}

.drop-overlay-hint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Find & Replace Bar --- */
.find-bar {
  position: absolute;
  top: 0;
  right: var(--space-md);
  z-index: var(--z-float);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: 0 4px 16px #2218121f;
  box-shadow: 0 4px 16px oklch(0.22 0.02 55 / 0.12);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 22rem;
  max-width: 32rem;
  animation: find-bar-slide 150ms ease-out;
}

@keyframes find-bar-slide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

[data-theme="dark"] .find-bar {
  box-shadow: 0 4px 16px #01000080;
  box-shadow: 0 4px 16px oklch(0.05 0.005 75 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .find-bar {
    box-shadow: 0 4px 16px #01000080;
    box-shadow: 0 4px 16px oklch(0.05 0.005 75 / 0.5);
  }
}

.find-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.find-bar-input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  min-width: 0;
}
.find-bar-input:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px var(--color-focus);
}

.find-bar-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-faint);
  white-space: nowrap;
  min-width: 4rem;
  text-align: center;
}

.find-bar-btn {
  padding: 0.3rem 0.5rem !important;
  font-size: 0.75rem !important;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.find-bar-replace {
  padding-left: 0;
}

/* Search highlight decorations */
.search-match {
  background: var(--color-search-match);
  border-radius: 1px;
}

.search-match-active {
  background: var(--color-search-match-active);
  color: var(--color-search-match-text);
  border-radius: 1px;
}

@media (max-width: 640px) {
  .find-bar {
    left: 0;
    right: 0;
    min-width: 0;
    max-width: none;
    border-radius: 0;
  }
}

/* --- Page Break --- */
.tiptap .page-break {
  position: relative;
  margin: 1.5em 0;
  border: none;
  text-align: center;
  page-break-after: always;
  break-after: page;
  pointer-events: none;
}
.tiptap .page-break::before {
  content: '';
  display: block;
  border-top: 2px dashed var(--color-border-strong);
}
.tiptap .page-break::after {
  content: 'Page Break';
  display: inline-block;
  position: relative;
  top: -0.75em;
  background: var(--color-bg);
  padding: 0 0.75em;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.tiptap .page-break.ProseMirror-selectednode {
  pointer-events: auto;
}
.tiptap .page-break.ProseMirror-selectednode::before {
  border-color: var(--color-accent);
}

/* Dropdown icon-text variant (smaller icon for text symbols) */
.dd-icon-text {
  font-size: 13px;
}

/* --- Toggle Block (collapsible section) #131 --- */
.tiptap .toggle-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  margin: 0.75em 0;
}

.tiptap .toggle-block[open] {
  padding-bottom: 0.75rem;
}

.tiptap .toggle-summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.25rem 0;
  list-style: disclosure-closed;
}

.tiptap .toggle-block[open] > .toggle-summary {
  list-style: disclosure-open;
  margin-bottom: 0.5rem;
}

/* --- Footnotes (#122) --- */
.tiptap .footnote-marker {
  cursor: pointer;
  color: var(--color-accent);
  font-size: 0.75em;
  vertical-align: super;
  line-height: 0;
  padding: 0 1px;
  font-weight: 600;
}

.tiptap .footnote-marker:hover {
  text-decoration: underline;
}

.tiptap .footnote-marker.ProseMirror-selectednode {
  outline: 2px solid var(--color-accent);
  border-radius: 2px;
}

/* Minimap */
.minimap {
  position: fixed;
  right: 0;
  top: 60px;
  bottom: 0;
  width: 140px;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  overflow: hidden;
  z-index: var(--z-component);
  font-size: 0.65rem;
  line-height: 1.3;
}

.minimap-viewport {
  position: absolute;
  right: 0;
  left: 0;
  background: #5e93ca1a;
  background: oklch(0.65 0.1 250 / 0.1);
  border: 1px solid #5e93ca4d;
  border: 1px solid oklch(0.65 0.1 250 / 0.3);
  border-radius: 2px;
  pointer-events: none;
  transition: top var(--transition-fast), height var(--transition-fast);
}

.minimap-headings {
  padding: 8px 10px;
  cursor: pointer;
}

.minimap-heading {
  padding: 2px 0;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}
.minimap-heading:hover {
  color: var(--color-text);
}
.minimap-heading[data-level="1"] { font-weight: 600; color: var(--color-text); }
.minimap-heading[data-level="2"] { padding-left: 8px; }
.minimap-heading[data-level="3"] { padding-left: 16px; font-size: 0.6rem; }

.footnote-section {
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
  padding-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footnote-section h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.5rem;
  color: var(--color-text-muted);
}

.footnote-section ol {
  margin: 0;
  padding-left: 1.5rem;
}

.footnote-section li {
  margin-bottom: 0.25rem;
}

/* --- Resizable Images (#118) --- */
.tiptap .resizable-image-wrapper {
  margin: 0.75em 0;
  line-height: 0;
}

.tiptap .resizable-image-wrapper[data-align="left"] {
  text-align: left;
}

.tiptap .resizable-image-wrapper[data-align="center"] {
  text-align: center;
}

.tiptap .resizable-image-wrapper[data-align="right"] {
  text-align: right;
}

.tiptap .resizable-image-container {
  display: inline-block;
  position: relative;
  line-height: 0;
}

.tiptap .resizable-image-container img {
  display: block;
  max-width: 100%;
  border-radius: var(--radius-sm, 4px);
}

.tiptap .resizable-image-wrapper.selected .resizable-image-container {
  outline: 2px solid var(--color-accent);
  border-radius: var(--radius-sm, 4px);
}

/* Resize handles — only visible when selected */
.tiptap .resize-handle {
  display: none;
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border: 1px solid var(--color-bg);
  border-radius: 2px;
  z-index: var(--z-component);
}

.tiptap .resizable-image-wrapper.selected .resize-handle {
  display: block;
}

.tiptap .resize-handle-nw { top: -5px; left: -5px; cursor: nw-resize; }
.tiptap .resize-handle-ne { top: -5px; right: -5px; cursor: ne-resize; }
.tiptap .resize-handle-sw { bottom: -5px; left: -5px; cursor: sw-resize; }
.tiptap .resize-handle-se { bottom: -5px; right: -5px; cursor: se-resize; }

/* --- Print styles --- */
@media print {
  .app-topbar,
  .toolbar,
  .docs-footer,
  .find-bar,
  .comment-popover,
  .toast-notification {
    display: none !important;
  }

  .editor-container {
    overflow: visible !important;
    padding: 0 !important;
  }

  .editor-wrapper {
    max-width: none !important;
  }

  .tiptap .page-break {
    margin: 0;
    visibility: hidden;
    page-break-before: always;
    break-before: page;
  }
  .tiptap .page-break::before,
  .tiptap .page-break::after {
    display: none;
  }
}

/* ========================================================
   Context Menu
   ======================================================== */

.context-menu {
  position: fixed;
  z-index: var(--z-menu);
  min-width: 12rem;
  padding: var(--space-xs) 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text);
  outline: none;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 0.35rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
  white-space: nowrap;
  outline: none;
}

.context-menu-item:hover,
.context-menu-item:focus-visible {
  background: var(--color-hover);
}

.context-menu-item.disabled {
  color: var(--color-text-faint);
  cursor: default;
}

.context-menu-item.disabled:hover,
.context-menu-item.disabled:focus-visible {
  background: transparent;
}

.context-menu-icon {
  width: 1.2rem;
  text-align: center;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.context-menu-label {
  flex: 1;
}

.context-menu-shortcut {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
  margin-left: var(--space-md);
}

.context-menu-separator {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xs) 0;
}

/* ========================================================
   Print Preview Modal
   ======================================================== */

.print-preview-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--color-modal-backdrop);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-xl);
  overflow-y: auto;
}

.print-preview-container {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.print-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.print-preview-header h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.print-preview-options {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.print-preview-options label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.print-preview-options select {
  font-size: 0.8rem;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}

.print-preview-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--color-surface-alt);
}

.print-preview-body iframe {
  width: 100%;
  min-height: 600px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.print-preview-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* Enhanced print styles */
@media print {
  .context-menu,
  .print-preview-overlay {
    display: none !important;
  }

  /* Sheets: hide UI chrome */
  .sheets-toolbar,
  .tab-bar,
  .formula-bar,
  .sheets-footer {
    display: none !important;
  }

  .spreadsheet-container {
    overflow: visible !important;
  }
}

/* ========================================================
   Charts Section
   ======================================================== */

.charts-section {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: var(--space-md);
}

.charts-section:empty {
  display: none;
}

.chart-container {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-bg);
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
}

.chart-container canvas {
  width: 100% !important;
  max-height: 400px;
}

.chart-actions {
  display: flex;
  gap: var(--space-xs);
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.chart-container:hover .chart-actions {
  opacity: 1;
}

.chart-actions button {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.chart-actions button:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

/* Dark mode chart background */
[data-theme="dark"] .chart-container {
  background: var(--color-surface);
}

/* ========================================================
   Chart / Sort / Filter Dialogs (Modal)
   ======================================================== */

.sheet-dialog-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sheet-dialog {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  min-width: 340px;
  max-width: 480px;
  width: 90vw;
  font-family: var(--font-body);
}

.sheet-dialog h3 {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text);
}

.sheet-dialog label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.sheet-dialog input,
.sheet-dialog select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
  box-sizing: border-box;
}

.sheet-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.sheet-dialog-actions button {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.sheet-dialog-actions button:hover {
  background: var(--color-hover);
}

.sheet-dialog-actions button.btn-primary {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border-color: var(--color-accent);
}

.sheet-dialog-actions button.btn-primary:hover {
  background: var(--color-accent-hover);
}

/* ========================================================
   Paste Special Dialog
   ======================================================== */

.paste-special-dialog {
  min-width: 280px;
  max-width: 360px;
}

.paste-special-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.paste-special-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: background var(--transition-fast);
  margin-bottom: 0;
}

.paste-special-option:hover {
  background: var(--color-hover);
}

.paste-special-option input[type="radio"] {
  width: auto;
  margin: 0;
  accent-color: var(--color-accent);
}

.paste-special-option span {
  font-family: var(--font-body);
}

/* Sort level rows */
.sort-level {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-sm);
}

.sort-level select {
  flex: 1;
  margin-bottom: 0;
}

.sort-level .sort-level-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  min-width: 60px;
}

/* ========================================================
   Column Filter UI
   ======================================================== */

.sheet-grid thead th.filter-active::after {
  content: '\25BC';
  font-size: 0.55rem;
  color: var(--color-teal);
  margin-left: 2px;
  vertical-align: middle;
}

.sheet-grid thead th .filter-arrow {
  display: inline-block;
  cursor: pointer;
  font-size: 0.6rem;
  margin-left: 2px;
  color: var(--color-text-faint);
  vertical-align: middle;
  transition: color var(--transition-fast);
}

.sheet-grid thead th .filter-arrow:hover {
  color: var(--color-accent);
}

.filter-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  max-height: 240px;
  overflow-y: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: var(--z-sticky);
  padding: var(--space-xs) 0;
  font-size: 0.8rem;
}

.filter-dropdown label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.filter-dropdown label:hover {
  background: var(--color-hover);
}

.filter-dropdown .filter-actions {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-sm);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xs);
}

.filter-dropdown .filter-actions button {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px 4px;
}

.filter-dropdown .filter-actions button:hover {
  text-decoration: underline;
}

/* Filter mode active state on toolbar button */
#tb-filter.active {
  background: var(--color-btn-active-bg);
  color: var(--color-accent);
}

/* Hidden rows via filter */
.sheet-grid tr.filter-hidden {
  display: none;
}

/* --- Striped Rows --- */
.sheet-grid tr .striped-row {
  background: #e6e4e199;
  background: oklch(0.92 0.005 75 / 0.6);
}
[data-theme="dark"] .sheet-grid tr .striped-row {
  background: #211f1d80;
  background: oklch(0.24 0.005 75 / 0.5);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .sheet-grid tr .striped-row {
    background: #211f1d80;
    background: oklch(0.24 0.005 75 / 0.5);
  }
}

/* --- Wrap Text --- */
.sheet-grid td .cell-display.cell-wrap {
  white-space: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
  overflow: visible;
}

/* --- Validation Invalid --- */
.sheet-grid td.validation-invalid {
  outline: 2px solid var(--color-danger);
  outline-offset: -2px;
}
.sheet-grid td.validation-invalid::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-top: 6px solid var(--color-danger);
}

/* --- Validation Dropdown Arrow --- */
.sheet-grid td .cell-dropdown-arrow {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--color-text-faint);
  cursor: pointer;
  border-radius: 2px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.sheet-grid td:hover .cell-dropdown-arrow,
.sheet-grid td.selected .cell-dropdown-arrow {
  opacity: 1;
}
.sheet-grid td .cell-dropdown-arrow:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

/* --- Validation Dropdown Menu --- */
.validation-dropdown {
  position: fixed;
  z-index: var(--z-sticky);
  min-width: 8rem;
  max-height: 12rem;
  overflow-y: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs) 0;
}
.validation-dropdown-item {
  display: block;
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
}
.validation-dropdown-item:hover {
  background: var(--color-hover);
}

/* --- Conditional Formatting Modal --- */
.cf-modal {
  max-width: 32rem;
}
.cf-modal h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cf-rule-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
}
.cf-rule-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-xs);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}
.cf-rule-item .cf-rule-preview {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 3px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}
.cf-rule-item .cf-rule-text {
  flex: 1;
}
.cf-rule-item button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-faint);
  font-size: 0.75rem;
  padding: 0.15rem 0.3rem;
  border-radius: var(--radius-sm);
}
.cf-rule-item button:hover {
  color: var(--color-danger);
  background: var(--color-hover);
}
.cf-add-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.cf-add-form label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.cf-add-form select,
.cf-add-form input {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}
.cf-add-form .cf-color-row {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}
.cf-add-form .cf-color-row input[type="color"] {
  width: 2rem;
  height: 1.5rem;
  padding: 0;
  border: 1px solid var(--color-border);
  cursor: pointer;
}
.cf-add-form .cf-value-row {
  display: flex;
  gap: var(--space-sm);
}
.cf-add-form .cf-value-row input {
  flex: 1;
}
.cf-add-form .cf-btn-row {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}
.cf-add-form button {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}
.cf-add-form button.cf-btn-primary {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border-color: var(--color-accent);
}
.cf-add-form button.cf-btn-primary:hover {
  background: var(--color-accent-hover);
}

/* --- Data Validation Modal --- */
.dv-modal {
  max-width: 28rem;
}
.dv-modal h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.dv-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.dv-form label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.dv-form select,
.dv-form input {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}
.dv-form .dv-btn-row {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-sm);
}
.dv-form button {
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}
.dv-form button.dv-btn-primary {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border-color: var(--color-accent);
}
.dv-form button.dv-btn-primary:hover {
  background: var(--color-accent-hover);
}
.dv-form button.dv-btn-danger {
  color: var(--color-danger);
}
.dv-form button.dv-btn-danger:hover {
  background: #bd413f14;
  background: oklch(0.55 0.16 25 / 0.08);
}
/* ========================================================
   Version History Sidebar
   ======================================================== */

.editor-with-sidebar {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.editor-with-sidebar .editor-container {
  flex: 1;
  min-width: 0;
}

.version-sidebar {
  position: relative;
  width: 300px;
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.version-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.version-sidebar-header h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text);
}

.version-sidebar-close {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.version-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs) 0;
}

.version-empty {
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-faint);
  font-size: 0.8125rem;
}

.version-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
  font-family: var(--font-body);
}

.version-item:hover {
  background: var(--color-hover);
}

.version-time {
  font-size: 0.75rem;
  color: var(--color-text);
  font-weight: 500;
}

.version-meta {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
}

.version-author {
  color: var(--color-text-faint);
}

.version-wc {
  color: var(--color-text-faint);
}

.version-delta {
  font-weight: 600;
}

.version-delta.positive {
  color: var(--color-success);
}

.version-delta.negative {
  color: var(--color-danger);
}

.version-preview {
  display: flex;
  flex-direction: column;
  position: absolute;
  inset: 0;
  background: var(--color-surface);
  z-index: 2;
}

.version-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-sm);
}

.version-preview-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

.version-preview-text {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text);
  white-space: pre-wrap;
}

.btn-primary.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary.btn-sm:hover {
  background: var(--color-accent-hover);
}

/* ========================================================
   Suggesting Mode
   ======================================================== */

.suggesting-toggle {
  display: flex;
  align-items: center;
}

.suggesting-toggle-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.suggesting-toggle-btn:hover {
  background: var(--color-hover);
}

.suggesting-toggle-btn.active {
  background: #b7e6b7;
  background: oklch(0.88 0.08 145);
  border-color: #1c985a;
  border-color: oklch(0.6 0.14 155);
  color: #00391b;
  color: oklch(0.3 0.08 155);
}

[data-theme="dark"] .suggesting-toggle-btn.active {
  background: #102719;
  background: oklch(0.25 0.04 155);
  border-color: #2a7449;
  border-color: oklch(0.5 0.1 155);
  color: #a0caad;
  color: oklch(0.8 0.06 155);
}

.suggesting-toggle-icon {
  font-size: 0.875rem;
}

/* Suggestion marks in the editor */
.suggestion-insert {
  text-decoration: underline;
  text-decoration-color: #1c985a;
  text-decoration-color: oklch(0.6 0.14 155);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  background: #1c985a14;
  background: oklch(0.6 0.14 155 / 0.08);
  border-radius: 1px;
  cursor: pointer;
  position: relative;
}

.suggestion-delete {
  text-decoration: line-through;
  text-decoration-color: #bd413f;
  text-decoration-color: oklch(0.55 0.16 25);
  text-decoration-thickness: 2px;
  background: #bd413f14;
  background: oklch(0.55 0.16 25 / 0.08);
  color: var(--color-text-muted);
  border-radius: 1px;
  cursor: pointer;
  position: relative;
}

[data-theme="dark"] .suggestion-insert {
  text-decoration-color: #33a868;
  text-decoration-color: oklch(0.65 0.14 155);
  background: #33a8681f;
  background: oklch(0.65 0.14 155 / 0.12);
}

[data-theme="dark"] .suggestion-delete {
  text-decoration-color: #ce514d;
  text-decoration-color: oklch(0.60 0.16 25);
  background: #ce514d1f;
  background: oklch(0.60 0.16 25 / 0.12);
}

/* Suggestion popover (similar to comment popover) */
.suggestion-popover {
  position: fixed;
  z-index: var(--z-tooltip);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm);
  min-width: 180px;
  max-width: 260px;
  font-family: var(--font-body);
}

.suggestion-popover-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  font-size: 0.75rem;
}

.suggestion-popover-author {
  font-weight: 600;
  color: var(--color-text);
}

.suggestion-popover-time {
  color: var(--color-text-faint);
}

.suggestion-popover-type {
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 500;
}

.suggestion-popover-actions {
  display: flex;
  gap: var(--space-xs);
}

.suggestion-accept-btn {
  color: var(--color-success) !important;
  font-size: 0.75rem;
}

.suggestion-reject-btn {
  color: var(--color-danger) !important;
  font-size: 0.75rem;
}

.suggestion-popover-bulk {
  display: flex;
  gap: var(--space-xs);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
}

.suggestion-accept-all-btn,
.suggestion-reject-all-btn {
  font-size: 0.6875rem;
  color: var(--color-text-muted) !important;
}

.suggestion-accept-all-btn:hover { color: var(--color-success) !important; }
.suggestion-reject-all-btn:hover { color: var(--color-danger) !important; }

/* ========================================================
   Offline Indicator
   ======================================================== */

.status-dot.offline {
  background: var(--color-warning);
}

.status-indicator .offline-badge {
  background: #cd9c1f26;
  background: oklch(0.72 0.14 85 / 0.15);
  color: #8d6000;
  color: oklch(0.52 0.14 85);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 500;
}

/* ========================================================
   Accessibility — Skip Link
   ======================================================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  padding: var(--space-sm) var(--space-md);
  z-index: var(--z-skip);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ========================================================
   Accessibility — Focus Visible Outlines
   Only show on keyboard navigation, not mouse clicks.
   ======================================================== */

/* Suppress focus outlines for mouse/touch — preserve :focus-visible for keyboard */
*:focus:not(:focus-visible) {
  outline: none;
}

/* Global keyboard focus ring — visible on Tab navigation */
*:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Tighter offset for buttons and toolbar controls */
button:focus-visible,
.tb-btn:focus-visible,
.toolbar-dropdown-toggle:focus-visible,
.toolbar-overflow-toggle:focus-visible {
  outline-offset: 1px;
}

/* Flush offset for form elements */
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline-offset: 0;
}

/* Opt-out: elements with existing strong focus indicators or that manage their own focus */
.tiptap:focus-visible,
.cell-editor:focus-visible,
.sheet-tab-rename:focus-visible,
.inline-text-edit textarea:focus-visible,
.cmd-palette-input:focus-visible,
.context-menu:focus-visible {
  outline: none;
}

/* Opt-out: inputs with box-shadow focus rings already */
.formula-input:focus-visible,
.modal input:focus-visible,
.modal input[type="password"]:focus-visible,
.find-bar-input:focus-visible,
.print-preview-sidebar select:focus-visible {
  outline: none;
}

/* Non-focus outlines (cell selection, validation) */
.sheet-grid td.selected { outline: 2px solid var(--color-teal); outline-offset: -1px; }
.sheet-grid td.validation-invalid { outline: 2px solid var(--color-danger); outline-offset: -2px; }

/* ========================================================
   View-Only Badge
   ======================================================== */

.view-only-badge {
  background: var(--color-warning);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  padding: var(--space-xs) var(--space-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

/* ========================================================
   Share Dialog
   ======================================================== */

.share-dialog-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.share-dialog {
  max-width: 480px;
  width: 90%;
}

.share-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.share-dialog-header h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0;
}

.share-dialog-close {
  font-size: 1.2rem;
}

.share-dialog-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.share-link-row {
  display: flex;
  gap: var(--space-sm);
}

.share-link-input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========================================================
   Document Outline Sidebar
   ======================================================== */

.outline-sidebar {
  position: relative;
  width: 240px;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  transition: width var(--transition-med), opacity var(--transition-med);
}

.outline-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.outline-sidebar-header h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text);
}

.outline-sidebar-close {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.outline-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs) 0;
}

.outline-empty {
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-faint);
  font-size: 0.8125rem;
}

.outline-item {
  display: block;
  width: 100%;
  padding: var(--space-xs) var(--space-md);
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-mode-row,
.share-expiry-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.share-mode-label,
.share-expiry-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.share-mode-label select,
.share-expiry-label select {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

/* ========================================================
   Mobile More Button (hidden on desktop)
   ======================================================== */

.toolbar-mobile-more {
  display: none;
}

/* ========================================================
   Mobile Responsive — Tablet (max-width: 768px)
   ======================================================== */

@media (max-width: 768px) {
  /* Hide non-essential toolbar items on mobile */
  .toolbar-mobile-hide {
    display: none !important;
  }

  /* Show mobile more button */
  .toolbar-mobile-more,
  .mobile-more-btn {
    display: inline-flex;
  }

  /* Larger touch targets for toolbar buttons (44x44px minimum) */
  .tb-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .toolbar-dropdown-toggle,
  .toolbar-overflow-toggle {
    min-width: 44px;
    min-height: 44px;
  }

  /* Larger touch targets for icon buttons in topbar/inline controls */
  .btn-icon {
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
  }

  /* Topbar wraps on narrow screens so buttons don't overflow horizontally */
  .app-topbar {
    flex-wrap: wrap;
    row-gap: var(--space-xs);
  }

  /* Toolbar allow wrapping with wider gap for touch */
  .toolbar.gdocs-toolbar {
    height: auto;
    flex-wrap: wrap;
    padding: var(--space-xs);
    gap: 4px;
  }

  /* Editor full-width on mobile */
  .editor-wrapper {
    max-width: 100%;
    padding: 0 var(--space-sm);
  }

  .editor-container {
    padding: var(--space-md) var(--space-sm);
  }

  /* Responsive formula bar */
  .formula-bar {
    flex-wrap: wrap;
    gap: var(--space-xs);
    font-size: 0.9rem;
  }

  .formula-input,
  .formula-input-wrap {
    min-width: 0;
    width: 100%;
    flex: 1 1 100%;
    font-size: 0.9rem;
    overflow-x: auto;
  }

  /* Sheet container: horizontal scroll with sticky column A */
  .sheet-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sheet-grid th:first-child,
  .sheet-grid td:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--color-surface);
  }

  /* Larger fonts for readability */
  .doc-title-input {
    font-size: 1rem;
  }

  /* Top bar compact layout */
  .app-topbar {
    padding: var(--space-xs) var(--space-sm);
    gap: var(--space-sm);
    flex-wrap: wrap;
  }
  /* Preserve electron traffic-light padding even on narrow windows */
  .is-electron .app-topbar {
    padding-left: 96px;
  }

  .status-indicator {
    font-size: 0.6rem;
  }

  /* Landing page adjustments */
  .landing {
    padding: var(--space-lg) var(--space-md);
  }

  .landing-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .doc-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .doc-toolbar-actions {
    flex-wrap: wrap;
  }

  .search-input {
    width: 100%;
  }
  .search-input:focus {
    width: 100%;
  }

  .version-badge {
    font-size: 0.55rem;
    bottom: 0.25rem;
    right: 0.5rem;
  }

  /* Sidebars overlay on tablet/mobile */
  .outline-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 20;
    width: 260px;
    box-shadow: var(--shadow-lg);
  }

  .version-sidebar {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 20;
    width: 300px;
    max-width: 85vw;
    box-shadow: var(--shadow-lg);
  }

  /* Link preview tooltip constrained to viewport */
  .link-preview-tooltip {
    max-width: calc(100vw - 2rem);
    left: 1rem !important;
    right: 1rem;
  }
}

/* ========================================================
   Mobile Responsive — Phone (max-width: 480px)
   ======================================================== */

@media (max-width: 480px) {
  /* Full-screen modals */
  .modal {
    max-width: 100%;
    width: 100%;
    height: 100%;
    border-radius: 0;
    display: flex;
    flex-direction: column;
  }

  .modal-backdrop {
    align-items: stretch;
  }

  .share-dialog {
    max-width: 100%;
    width: 100%;
    border-radius: 0;
  }

  /* Even larger touch targets */
  .tb-btn {
    width: 48px;
    height: 48px;
  }

  /* Compact topbar */
  .app-topbar {
    padding: var(--space-xs);
    gap: var(--space-xs);
  }
  .is-electron .app-topbar {
    padding-left: 96px;
  }

  .doc-title-input {
    min-width: 8rem;
    font-size: 0.95rem;
  }

  /* Slightly larger body font */
  body {
    font-size: 1rem;
  }

  .version-badge {
    display: none;
  }

  /* Sidebars full-width on phones */
  .outline-sidebar,
  .version-sidebar {
    width: 100%;
    max-width: 100%;
  }

  /* Find/replace bar stacks vertically */
  .search-replace-bar {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .search-replace-bar input {
    width: 100%;
  }

  /* Compact save status */
  .save-status {
    font-size: 0.65rem;
  }

  /* Toolbar dropdowns: full-width overlay */
  .toolbar-dropdown-content {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    width: 100%;
    max-height: 60vh;
    overflow-y: auto;
    border-radius: 0;
  }

  /* Command palette: slightly taller on phones for easier reach */
  .cmd-palette {
    max-height: 70vh;
  }
}

.outline-item:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

.outline-item[data-level="1"] {
  padding-left: var(--space-md);
  font-weight: 600;
  color: var(--color-text);
}

.outline-item[data-level="2"] {
  padding-left: calc(var(--space-md) + var(--space-md));
  font-weight: 500;
}

.outline-item[data-level="3"] {
  padding-left: calc(var(--space-md) + var(--space-md) + var(--space-md));
  font-weight: 400;
  font-size: 0.75rem;
}

/* ========================================================
   Table Toolbar (Floating)
   ======================================================== */

.table-toolbar {
  position: fixed;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-body);
}

.table-tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.table-tb-btn:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

.table-tb-btn .tb-icon {
  width: 14px;
  height: 14px;
}

.table-tb-sep {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  margin: 0 2px;
}

.table-tb-color-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.table-tb-color {
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  background: none;
}

.table-tb-color-label {
  font-size: 0.625rem;
  color: var(--color-text-faint);
  font-weight: 600;
  pointer-events: none;
}

/* ========================================================
   Link Preview Tooltip
   ======================================================== */

.link-preview-tooltip {
  position: fixed;
  z-index: var(--z-tooltip);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm);
  min-width: 200px;
  max-width: 320px;
  font-family: var(--font-body);
}

.link-preview-url {
  font-size: 0.75rem;
  color: var(--color-teal);
  margin-bottom: var(--space-xs);
  word-break: break-all;
  line-height: 1.3;
}

.link-preview-actions {
  display: flex;
  gap: var(--space-xs);
}

.link-preview-btn {
  font-size: 0.75rem;
  padding: 2px 8px;
}

/* ========================================================
   Focus/Zen Mode
   ======================================================== */

.zen-mode .app-topbar {
  opacity: 0;
  height: 0;
  padding: 0;
  overflow: hidden;
  transition: all var(--transition-med);
}

.zen-mode .toolbar {
  opacity: 0;
  height: 0;
  padding: 0;
  overflow: hidden;
  transition: all var(--transition-med);
}

.zen-mode .docs-footer {
  opacity: 0;
  height: 0;
  padding: 0;
  overflow: hidden;
  transition: all var(--transition-med);
}

.zen-mode .editor-wrapper {
  max-width: none;
  transition: max-width var(--transition-med);
}

.zen-mode .editor-container {
  padding: var(--space-xl) var(--space-2xl);
}

.zen-mode .outline-sidebar {
  display: none !important;
}

.zen-mode .version-sidebar {
  display: none !important;
}

.zen-exit-btn {
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: var(--z-drop);
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.zen-exit-btn:hover {
  opacity: 1;
  color: var(--color-text);
  background: var(--color-hover);
}

/* Smooth transitions for entering/exiting zen */
.app-topbar,
.toolbar,
.docs-footer,
.editor-wrapper {
  transition: all var(--transition-med);
}

/* ========================================================
   Status Bar (selection aggregate stats)
   ======================================================== */

.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px var(--space-sm);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
  min-height: 24px;
  transition: background-color var(--transition-med), border-color var(--transition-med);
}

.status-bar-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-faint);
}

.status-bar-cell-ref {
  padding: 1px 4px;
  border-radius: 2px;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-weight: 500;
}

.status-bar-dim {
  color: var(--color-text-faint);
}

.status-bar-freeze {
  padding: 1px 6px;
  border-radius: 2px;
  background: #53c2c126;
  background: oklch(0.75 0.1 195 / 0.15);
  color: #00686a;
  color: oklch(0.45 0.12 195);
  font-weight: 500;
  font-family: var(--font-body);
  font-size: 0.65rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.status-bar-freeze:hover {
  background: #53c2c140;
  background: oklch(0.75 0.1 195 / 0.25);
}

[data-theme="dark"] .status-bar-freeze {
  background: #0047474d;
  background: oklch(0.35 0.08 195 / 0.3);
  color: #41b2b2;
  color: oklch(0.7 0.1 195);
}
[data-theme="dark"] .status-bar-freeze:hover {
  background: #00474773;
  background: oklch(0.35 0.08 195 / 0.45);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .status-bar-freeze {
    background: #0047474d;
    background: oklch(0.35 0.08 195 / 0.3);
    color: #41b2b2;
    color: oklch(0.7 0.1 195);
  }
  :root:not([data-theme="light"]) .status-bar-freeze:hover {
    background: #00474773;
    background: oklch(0.35 0.08 195 / 0.45);
  }
}

.status-bar-range {
  padding: 1px 4px;
  border-radius: 2px;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-weight: 500;
}

.status-bar-mode {
  color: var(--color-text-faint);
}

.status-bar-cells {
  color: var(--color-text-faint);
}

.status-bar-stats {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  user-select: text;
}

.status-bar-stat {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  cursor: pointer;
  padding: 1px 4px;
  border-radius: 2px;
  transition: background var(--transition-fast);
}

.status-bar-stat:hover {
  background: var(--color-hover);
}

.status-bar-stat-label {
  font-weight: 500;
  color: var(--color-text-faint);
  text-transform: uppercase;
  font-size: 0.6rem;
  letter-spacing: 0.04em;
}

.status-bar-stat-value {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text);
}

/* Copy feedback on stat click */
.status-bar-stat.copied {
  background: #1c985a26;
  background: oklch(0.6 0.14 155 / 0.15);
}

.status-bar-stat.copied .status-bar-stat-value {
  color: var(--color-success);
}

[data-theme="dark"] .status-bar {
  background: var(--color-surface);
  border-top-color: var(--color-border);
}

/* ========================================================
   Formula Auto-Complete
   ======================================================== */

.formula-autocomplete {
  position: absolute;
  z-index: var(--z-modal);
  min-width: 240px;
  max-width: 380px;
  max-height: 260px;
  overflow-y: auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 2px 0;
  font-family: var(--font-body);
}

.formula-autocomplete-item {
  display: flex;
  flex-direction: column;
  padding: 4px 10px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.formula-autocomplete-item:hover,
.formula-autocomplete-item.selected {
  background: var(--color-hover);
}

.formula-autocomplete-item.selected {
  background: var(--color-teal-light);
}

.formula-autocomplete-name {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--color-text);
}

.formula-autocomplete-signature {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 1px;
}

[data-theme="dark"] .formula-autocomplete {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .formula-autocomplete-item.selected {
  background: var(--color-teal-light);
}

/* ========================================================
   Formula Syntax Highlighting
   ======================================================== */

/* Overlay container for formula bar highlighting */
.formula-input-wrap {
  position: relative;
  flex: 1;
  display: flex;
}

.formula-input-wrap .formula-input {
  /* Override flex:1 from base — the wrap handles flex now */
  flex: 1;
  background: transparent;
  position: relative;
  z-index: 1;
  /* Make the text invisible (the highlight layer shows it) when formula */
  caret-color: var(--color-text);
}

.formula-input-wrap .formula-input:focus {
  /* Keep focus ring on the input */
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px var(--color-focus);
}

.formula-highlight-layer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.3rem 0.6rem;
  overflow: hidden;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  z-index: 0;
  color: transparent;
  display: flex;
  align-items: center;
}

/* When highlight layer is active, make input text transparent
   so highlighted text shows through */
.formula-input-wrap .formula-input.formula-highlighting {
  color: transparent;
}

/* Token colors — Light theme */
.formula-token-cell_ref {
  color: #0071df;
  color: oklch(0.55 0.2 250);
}

.formula-token-function {
  color: #773ac1;
  color: oklch(0.5 0.2 300);
}

.formula-token-string {
  color: #00792f;
  color: oklch(0.5 0.15 150);
}

.formula-token-number {
  color: #ae5600;
  color: oklch(0.55 0.15 60);
}

.formula-token-boolean {
  color: #773ac1;
  color: oklch(0.5 0.2 300);
}

.formula-token-operator {
  color: var(--color-text);
}

.formula-token-paren {
  color: var(--color-text-muted);
}

.formula-token-error {
  color: #cc272e;
  color: oklch(0.55 0.2 25);
  font-weight: 600;
}

.formula-token-whitespace {
  /* Preserve whitespace width */
  white-space: pre;
}

.formula-token-identifier,
.formula-token-unknown {
  color: var(--color-text);
}

/* Token colors — Dark theme */
[data-theme="dark"] .formula-token-cell_ref {
  color: #00a1ff;
  color: oklch(0.7 0.2 250);
}

[data-theme="dark"] .formula-token-function {
  color: #ad87ed;
  color: oklch(0.7 0.15 300);
}

[data-theme="dark"] .formula-token-string {
  color: #4cb86a;
  color: oklch(0.7 0.15 150);
}

[data-theme="dark"] .formula-token-number {
  color: #e18528;
  color: oklch(0.7 0.15 60);
}

[data-theme="dark"] .formula-token-boolean {
  color: #ad87ed;
  color: oklch(0.7 0.15 300);
}

[data-theme="dark"] .formula-token-error {
  color: #f14d4c;
  color: oklch(0.65 0.2 25);
}

/* Matching paren highlight */
.formula-token-paren-match {
  background: var(--color-teal-light);
  border-radius: 2px;
}

/* ========================================================
   Range Highlight Overlays
   ======================================================== */

.range-highlight-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  box-sizing: border-box;
}

/* ========================================================
   Formula Tooltip (Parameter Hints)
   ======================================================== */

.formula-tooltip {
  position: fixed;
  z-index: var(--z-above-modal);
  min-width: 200px;
  max-width: 420px;
  padding: 6px 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-body);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--color-text);
}

.formula-tooltip-signature {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow-x: auto;
}

.formula-tooltip-fn {
  color: #773ac1;
  color: oklch(0.5 0.2 300);
  font-weight: 700;
}

.formula-tooltip-param {
  color: var(--color-text-muted);
}

.formula-tooltip-param-active {
  color: var(--color-text);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-teal);
  text-underline-offset: 2px;
}

.formula-tooltip-optional {
  color: var(--color-text-faint);
}

.formula-tooltip-param-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
  padding-left: 2px;
}

.formula-tooltip-param-desc strong {
  color: var(--color-text);
  font-weight: 600;
}

.formula-tooltip-desc {
  font-size: 0.72rem;
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-border);
  margin-top: 3px;
  padding-top: 3px;
}

/* Dark theme for tooltip */
[data-theme="dark"] .formula-tooltip {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

[data-theme="dark"] .formula-tooltip-fn {
  color: #ad87ed;
  color: oklch(0.7 0.15 300);
}

/* prefers-color-scheme fallback for syntax highlighting */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .formula-token-cell_ref {
    color: #00a1ff;
    color: oklch(0.7 0.2 250);
  }
  :root:not([data-theme="light"]) .formula-token-function {
    color: #ad87ed;
    color: oklch(0.7 0.15 300);
  }
  :root:not([data-theme="light"]) .formula-token-string {
    color: #4cb86a;
    color: oklch(0.7 0.15 150);
  }
  :root:not([data-theme="light"]) .formula-token-number {
    color: #e18528;
    color: oklch(0.7 0.15 60);
  }
  :root:not([data-theme="light"]) .formula-token-boolean {
    color: #ad87ed;
    color: oklch(0.7 0.15 300);
  }
  :root:not([data-theme="light"]) .formula-token-error {
    color: #f14d4c;
    color: oklch(0.65 0.2 25);
  }
  :root:not([data-theme="light"]) .formula-tooltip {
    background: var(--color-surface);
    border-color: var(--color-border-strong);
  }
  :root:not([data-theme="light"]) .formula-tooltip-fn {
    color: #ad87ed;
    color: oklch(0.7 0.15 300);
  }
}

/* ========================================================
   Cell Notes
   ======================================================== */

.cell-note-indicator {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 7px 7px 0;
  border-color: transparent var(--color-teal) transparent transparent;
  pointer-events: none;
  z-index: 1;
}

.cell-note-tooltip {
  position: absolute;
  z-index: calc(var(--z-modal) + 1);
  max-width: 280px;
  padding: 6px 10px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text);
  line-height: 1.4;
  white-space: pre-wrap;
  word-wrap: break-word;
  pointer-events: none;
}

[data-theme="dark"] .cell-note-indicator {
  border-color: transparent var(--color-teal) transparent transparent;
}

[data-theme="dark"] .cell-note-tooltip {
  background: var(--color-surface-alt);
  border-color: var(--color-border-strong);
}

/* Cell with note needs relative positioning for the indicator */
td[data-id].has-note {
  position: relative;
}

/* ========================================================
   Error Tooltips (#208)
   ======================================================== */

.cell-error {
  color: var(--color-red) !important;
}

.error-tooltip {
  position: absolute;
  z-index: calc(var(--z-modal) + 2);
  max-width: 300px;
  padding: 8px 12px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-red);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text);
  line-height: 1.4;
  pointer-events: none;
}

.error-tooltip-title {
  font-weight: 700;
  color: var(--color-red);
  margin-bottom: 2px;
}

.error-tooltip-desc {
  margin-bottom: 4px;
}

.error-tooltip-hint {
  font-style: italic;
  opacity: 0.8;
}

/* ========================================================
   Date Picker (#123)
   ======================================================== */

.date-picker {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  width: 224px;
  font-family: var(--font-body);
  font-size: 0.75rem;
}

.dp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.dp-title {
  font-weight: 600;
  font-size: 0.8rem;
}

.dp-nav {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.65rem;
}

.dp-nav:hover {
  background: var(--color-surface-alt);
}

.dp-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  text-align: center;
}

.dp-day-header {
  font-weight: 600;
  color: var(--color-text-faint);
  padding: 4px 0;
  font-size: 0.65rem;
}

.dp-empty {
  padding: 4px;
}

.dp-day {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.75rem;
  line-height: 1.6;
}

.dp-day:hover {
  background: var(--color-surface-alt);
}

.dp-today {
  font-weight: 700;
  outline: 1px solid var(--color-accent);
  outline-offset: -1px;
}

.dp-selected {
  background: var(--color-accent) !important;
  color: white;
}

.dp-footer {
  margin-top: 6px;
  text-align: center;
}

.dp-today-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 600;
}

.dp-today-btn:hover {
  text-decoration: underline;
}

/* ========================================================
   Onboarding Tooltip
   ======================================================== */

.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-tooltip);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #2218124d;
  background: oklch(0.22 0.02 55 / 0.3);
  backdrop-filter: blur(2px);
  animation: onboarding-fade-in 200ms ease-out;
}

@keyframes onboarding-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.onboarding-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px #22181226;
  box-shadow: 0 12px 40px oklch(0.22 0.02 55 / 0.15);
  padding: var(--space-lg) var(--space-xl);
  max-width: 22rem;
  width: 90vw;
  animation: onboarding-slide-up 250ms ease-out;
}

@keyframes onboarding-slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.onboarding-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.onboarding-tips {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.onboarding-tip {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

.onboarding-tip kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 1px 5px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text);
  white-space: nowrap;
  line-height: 1.4;
}

.onboarding-dismiss {
  display: block;
  width: 100%;
  margin-top: var(--space-md);
  padding: 0.45rem 0;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-teal);
  color: var(--color-btn-primary-text);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.onboarding-dismiss:hover {
  background: var(--color-teal-light);
  color: var(--color-teal);
}

[data-theme="dark"] .onboarding-overlay {
  background: #01000080;
  background: oklch(0.05 0.005 75 / 0.5);
}

[data-theme="dark"] .onboarding-card {
  box-shadow: 0 12px 40px #01000080;
  box-shadow: 0 12px 40px oklch(0.05 0.005 75 / 0.5);
}

/* ========================================================
   Empty State Watermark
   ======================================================== */

.empty-state-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 0;
}

.empty-state-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-faint);
  opacity: 0.5;
  text-align: center;
  line-height: 1.6;
  max-width: 24rem;
  padding: var(--space-lg);
}

.empty-state-text kbd {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 1px 5px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  color: var(--color-text-muted);
  opacity: 0.8;
}

/* --- Markdown Source View --- */
.markdown-source-textarea {
  width: 100%;
  max-width: 48rem;
  min-height: 60vh;
  margin: 0 auto;
  padding: var(--space-lg);
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  resize: vertical;
  outline: none;
  tab-size: 4;
  box-sizing: border-box;
}

.markdown-source-textarea:focus {
  border-color: var(--color-teal);
}

[data-theme="dark"] .markdown-source-textarea {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] .markdown-source-textarea:focus {
  border-color: var(--color-teal);
}

/* Active state for the MD toggle button */
#btn-md-toggle.active {
  background: var(--color-teal);
  color: var(--color-btn-primary-text);
}

/* Markdown mode indicator in the status area */
.md-mode-indicator {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  opacity: 0.7;
  margin-left: var(--space-sm);
}

/* ========================================================
   Notion-style Editing: Slash Menu, Block Handles, Polish
   ======================================================== */

/* --- Slash Command Menu --- */
.slash-menu {
  position: fixed;
  z-index: var(--z-overlay);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 320px;
  width: 300px;
  overflow-y: auto;
  padding: var(--space-xs) 0;
  font-family: var(--font-body);
}

.slash-menu-category {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md) var(--space-xs);
}

.slash-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.875rem;
  color: var(--color-text);
  border-radius: 0;
  transition: background-color var(--transition-fast);
}

.slash-menu-item:hover,
.slash-menu-item-selected {
  background: var(--color-hover);
}

.slash-menu-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.slash-menu-item-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.slash-menu-item-name {
  font-weight: 500;
  line-height: 1.3;
}

.slash-menu-item-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.slash-menu-item-shortcut {
  font-size: 0.7rem;
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.slash-menu-empty {
  padding: var(--space-md);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* --- Block Handle --- */
.block-handle {
  position: fixed;
  z-index: var(--z-float);
  display: flex;
  align-items: center;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.block-handle[style*="display: flex"] {
  opacity: 1;
}

.block-handle-grip,
.block-handle-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 24px;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  color: var(--color-text-faint);
  font-size: 1rem;
  padding: 0;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.block-handle-grip:hover,
.block-handle-add:hover {
  background: var(--color-hover);
  color: var(--color-text-muted);
}

.block-handle-grip {
  cursor: grab;
  font-size: 1.1rem;
  letter-spacing: -1px;
}

.block-handle-add {
  font-size: 1.1rem;
  font-weight: 300;
}

/* --- Block Context Menu --- */
.block-context-menu {
  position: fixed;
  z-index: var(--z-popover);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  padding: var(--space-xs) 0;
}

.block-context-sub-header {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md) var(--space-xs);
}

.block-context-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.block-context-item:hover {
  background: var(--color-hover);
}

.block-context-icon {
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.block-context-label {
  flex: 1;
}

/* --- Block-level Visual Polish --- */

/* Add left margin to editor content for block handle space */
.ProseMirror {
  padding-left: 40px;
}

/* Subtle hover highlight on blocks */
.ProseMirror > * {
  transition: background-color var(--transition-fast);
  border-left: 2px solid transparent;
  padding-left: var(--space-xs);
  margin-left: calc(-1 * var(--space-xs) - 2px);
}

/* Current block (with cursor) gets a subtle left accent */
.ProseMirror > .has-focus,
.ProseMirror > *:hover {
  background: #006e6f08;
  background: oklch(0.48 0.1 195 / 0.03);
}

.ProseMirror > .has-focus {
  border-left-color: var(--color-teal);
}

/* Smooth reorder transitions */
.ProseMirror > * {
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              transform var(--transition-med);
}

/* Notion-style placeholder styling */
.ProseMirror p.is-empty::before {
  color: var(--color-text-faint);
  font-style: italic;
  pointer-events: none;
}

.ProseMirror.is-empty p.is-empty:first-child::before {
  color: var(--color-text-muted);
}

/* --- Hide block handle and slash menu in zen/print mode --- */
.zen-mode .block-handle,
.zen-mode .block-context-menu {
  display: none !important;
}

@media print {
  .block-handle,
  .block-context-menu,
  .slash-menu {
    display: none !important;
  }
  .ProseMirror > * {
    border-left: none;
    margin-left: 0;
  }
  .ProseMirror {
    padding-left: 0;
  }
}

/* --- Dark mode overrides --- */
[data-theme="dark"] .slash-menu {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .slash-menu-item-icon {
  background: var(--color-surface-alt);
}

[data-theme="dark"] .slash-menu-item:hover,
[data-theme="dark"] .slash-menu-item-selected {
  background: var(--color-hover);
}

[data-theme="dark"] .block-context-menu {
  background: var(--color-surface);
  border-color: var(--color-border);
}

[data-theme="dark"] .block-context-item:hover {
  background: var(--color-hover);
}

[data-theme="dark"] .ProseMirror > .has-focus,
[data-theme="dark"] .ProseMirror > *:hover {
  background: #0f92930d;
  background: oklch(0.60 0.1 195 / 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .slash-menu {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  :root:not([data-theme="light"]) .slash-menu-item-icon {
    background: var(--color-surface-alt);
  }
  :root:not([data-theme="light"]) .slash-menu-item:hover,
  :root:not([data-theme="light"]) .slash-menu-item-selected {
    background: var(--color-hover);
  }
  :root:not([data-theme="light"]) .block-context-menu {
    background: var(--color-surface);
    border-color: var(--color-border);
  }
  :root:not([data-theme="light"]) .block-context-item:hover {
    background: var(--color-hover);
  }
  :root:not([data-theme="light"]) .ProseMirror > .has-focus,
  :root:not([data-theme="light"]) .ProseMirror > *:hover {
    background: #0f92930d;
    background: oklch(0.60 0.1 195 / 0.05);
  }
}

/* ==========================================================
   Command Palette (Cmd+K / Ctrl+K)
   ========================================================== */

.cmd-palette-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: min(20vh, 160px);
  z-index: var(--z-menu);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.cmd-palette-backdrop.cmd-palette-open {
  opacity: 1;
}

.cmd-palette {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  max-height: 60vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(-8px) scale(0.98);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  opacity: 0;
}

.cmd-palette-backdrop.cmd-palette-open .cmd-palette {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.cmd-palette-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: 1.05rem;
  outline: none;
}

.cmd-palette-input::placeholder {
  color: var(--color-text-faint);
}

.cmd-palette-results {
  overflow-y: auto;
  flex: 1;
  padding: var(--space-xs) 0;
}

.cmd-palette-category {
  padding: var(--space-sm) var(--space-lg) var(--space-xs);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
}

.cmd-palette-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  cursor: pointer;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: background var(--transition-fast);
}

.cmd-palette-item:hover,
.cmd-palette-item-selected {
  background: var(--color-hover);
}

.cmd-palette-item-selected {
  background: var(--color-hover);
}

.cmd-palette-item-icon {
  flex-shrink: 0;
  width: 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.cmd-palette-item-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cmd-palette-item-shortcut {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  background: var(--color-surface-alt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.cmd-palette-empty {
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  color: var(--color-text-faint);
  font-size: 0.9rem;
}

@media print {
  .cmd-palette-backdrop {
    display: none !important;
  }
}

/* ========================================================
   Save Dot Indicator
   ======================================================== */

.save-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.save-dot--saved {
  background-color: var(--color-success);
}

.save-dot--saving {
  background-color: var(--color-warning);
  animation: save-dot-pulse 1s ease-in-out infinite;
}

.save-dot--error {
  background-color: var(--color-danger);
  animation: save-dot-pulse 0.6s ease-in-out infinite;
}

@keyframes save-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ========================================================
   Version Panel (slide-in from right)
   ======================================================== */

.version-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100vh;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: var(--z-panel);
  transition: right var(--transition-med);
  overflow: hidden;
}

.version-panel.open {
  right: 0;
}

.version-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.version-panel-header h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text);
}

.version-panel-close {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.version-panel-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs) 0;
}

.version-panel-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-family: var(--font-body);
  position: relative;
}

.version-panel-item:hover {
  background: var(--color-hover);
}

.version-panel-item:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: -2px;
}

.version-panel-item-top {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.version-panel-time {
  font-size: 0.75rem;
  color: var(--color-text);
  font-weight: 500;
}

.version-panel-named-badge {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-teal);
  background: var(--color-teal-light);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.version-panel-item-meta {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
}

.version-panel-author {
  color: var(--color-text-faint);
}
.version-panel-author--forge {
  color: oklch(0.65 0.1 250);
  font-weight: 500;
}

.version-panel-count {
  color: var(--color-text-faint);
}

.version-panel-delta {
  font-weight: 600;
}

.version-panel-delta.positive {
  color: var(--color-success);
}

.version-panel-delta.negative {
  color: var(--color-danger);
}

.version-panel-name-btn {
  position: absolute;
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-faint);
  cursor: pointer;
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  padding: 2px 4px;
  border-radius: var(--radius-sm);
}

.version-panel-item:hover .version-panel-name-btn {
  opacity: 1;
}

.version-panel-name-btn:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

.version-panel-preview {
  display: flex;
  flex-direction: column;
  position: absolute;
  inset: 0;
  background: var(--color-surface);
  z-index: 2;
}

.version-panel-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-sm);
  flex-shrink: 0;
}

.version-panel-preview-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

@media print {
  .version-panel {
    display: none !important;
  }
}

/* ========================================================
   Diff Panel (slide-in from right, compare versions)
   ======================================================== */

.diff-panel {
  position: fixed;
  top: 0;
  right: -380px;
  width: 380px;
  height: 100vh;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: var(--z-panel);
  transition: right var(--transition-med);
  overflow: hidden;
}

.diff-panel.open {
  right: 0;
}

.diff-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.diff-panel-header h3 {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text);
}

.diff-panel-close {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.diff-panel-controls {
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.diff-panel-select-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.diff-panel-label {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  font-family: var(--font-body);
}

.diff-panel-select {
  font-size: 0.75rem;
  font-family: var(--font-body);
  padding: 4px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  min-width: 0;
  width: 100%;
  cursor: pointer;
}

.diff-panel-select:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: -1px;
}

.diff-panel-arrow {
  color: var(--color-text-faint);
  font-size: 0.875rem;
  padding-bottom: 4px;
  flex-shrink: 0;
}

.diff-panel-run {
  flex-shrink: 0;
  white-space: nowrap;
}

.diff-panel-stats {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  flex-shrink: 0;
}

.diff-stat-add {
  color: var(--color-success);
}

.diff-stat-del {
  color: var(--color-danger);
}

.diff-stat-forge {
  margin-left: auto;
  padding: 1px 6px;
  border-radius: 3px;
  background: oklch(0.92 0.04 250);
  color: oklch(0.45 0.1 250);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.diff-option--forge {
  color: oklch(0.45 0.1 250);
  font-weight: 500;
}

.diff-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

.diff-panel-empty {
  color: var(--color-text-faint);
  font-size: 0.8125rem;
  font-family: var(--font-body);
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.diff-panel-content {
  font-family: var(--font-display);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text);
  word-wrap: break-word;
}

.diff-equal {
  color: var(--color-text);
}

.diff-insert {
  background: oklch(0.92 0.08 155);
  color: oklch(0.28 0.06 155);
  padding: 1px 2px;
  border-radius: 2px;
}

.diff-delete {
  background: oklch(0.92 0.08 25);
  color: oklch(0.38 0.08 25);
  text-decoration: line-through;
  padding: 1px 2px;
  border-radius: 2px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    .diff-insert {
      background: oklch(0.28 0.06 155);
      color: oklch(0.85 0.08 155);
    }

    .diff-delete {
      background: oklch(0.28 0.06 25);
      color: oklch(0.78 0.08 25);
    }
  }
}

@media print {
  .diff-panel {
    display: none !important;
  }
}

/* ========================================================
   Print Preview Dialog
   ======================================================== */

.print-preview-backdrop {
  position: fixed;
  inset: 0;
  background: var(--color-modal-backdrop);
  z-index: var(--z-above-modal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.print-preview-dialog {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  width: 90vw;
  max-width: 960px;
  height: 80vh;
  max-height: 720px;
  overflow: hidden;
}

.print-preview-sidebar {
  width: 260px;
  min-width: 260px;
  padding: var(--space-lg);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.print-preview-sidebar h3 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text);
}

.print-preview-sidebar label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.print-preview-sidebar select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.82rem;
  margin-bottom: var(--space-xs);
}

.print-preview-sidebar select:focus {
  border-color: var(--color-teal);
  outline: none;
  box-shadow: 0 0 0 2px var(--color-focus);
}

.print-preview-radio-group {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xs);
}

.print-preview-radio-group label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--color-text);
  cursor: pointer;
  margin-bottom: 0;
}

.print-preview-radio-group input[type="radio"] {
  margin: 0;
  accent-color: var(--color-teal);
}

.print-preview-checkbox {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--space-xs);
}

.print-preview-checkbox input[type="checkbox"] {
  margin: 0;
  accent-color: var(--color-teal);
}

.print-preview-checkbox label {
  font-size: 0.82rem;
  color: var(--color-text);
  margin-bottom: 0;
  cursor: pointer;
}

.print-preview-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.print-preview-actions button {
  flex: 1;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.print-preview-actions button:hover {
  background: var(--color-hover);
}

.print-preview-actions button.btn-primary {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  border-color: var(--color-accent);
}

.print-preview-actions button.btn-primary:hover {
  background: var(--color-accent-hover);
}

.print-preview-content {
  flex: 1;
  overflow: auto;
  background: var(--color-surface-alt);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.print-preview-page {
  background: #fff;
  box-shadow: var(--shadow-md);
  border-radius: 2px;
  overflow: hidden;
  transform-origin: top center;
}

.print-preview-page iframe {
  border: none;
  width: 100%;
  height: 100%;
  display: block;
}

@media (max-width: 640px) {
  .print-preview-dialog {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }

  .print-preview-sidebar {
    width: 100%;
    min-width: 0;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    max-height: 40vh;
    overflow-y: auto;
  }
}

/* Wiki links */
a.wiki-link {
  color: var(--color-teal);
  text-decoration: none;
  border-bottom: 1px dashed var(--color-teal);
  cursor: pointer;
  padding: 0 0.1em;
  border-radius: 2px;
  transition: background var(--transition-fast);
}
a.wiki-link:hover {
  background: #a0dbda33;
  background: oklch(0.85 0.06 195 / 0.2);
}
a.wiki-link[href="#"] {
  color: var(--color-text-faint);
  border-bottom-color: var(--color-text-faint);
  font-style: italic;
}

/* ── Mermaid diagram blocks ──────────────────────────────────────────── */

.mermaid-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-md) 0;
  background: var(--color-surface-raised, var(--color-surface));
}

.mermaid-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.78rem;
}

.mermaid-label {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex: 1;
}

.mermaid-btn {
  padding: 2px 8px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-raised, var(--color-surface));
  color: var(--color-text);
  cursor: pointer;
  line-height: 1.4;
}
.mermaid-btn:hover { background: var(--color-teal); color: #fff; border-color: var(--color-teal); }
.mermaid-btn-danger:hover { background: var(--color-danger, #d94a4a); border-color: var(--color-danger, #d94a4a); }

.mermaid-preview {
  padding: var(--space-md);
  display: flex;
  justify-content: center;
  min-height: 60px;
  overflow-x: auto;
}
.mermaid-preview svg { max-width: 100%; height: auto; }
.mermaid-preview-loading { opacity: 0.5; }
.mermaid-preview-error { padding: var(--space-sm); }

.mermaid-error {
  background: color-mix(in oklch, var(--color-danger, #d94a4a) 10%, transparent);
  border: 1px solid var(--color-danger, #d94a4a);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  color: var(--color-danger, #d94a4a);
  font-size: 0.85rem;
  width: 100%;
}
.mermaid-error pre { margin: var(--space-xs) 0 0; font-size: 0.78rem; white-space: pre-wrap; overflow-wrap: anywhere; }

.mermaid-editor-wrap {
  border-top: 1px solid var(--color-border);
}
.mermaid-code-input {
  width: 100%;
  box-sizing: border-box;
  padding: var(--space-sm);
  font-family: monospace;
  font-size: 0.85rem;
  background: var(--color-surface);
  color: var(--color-text);
  border: none;
  outline: none;
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}
.mermaid-code-input:focus { background: var(--color-surface-raised, var(--color-surface)); }

/* Dark mode: invert mermaid SVG text colours if using default theme */
[data-theme="dark"] .mermaid-preview svg text { fill: var(--color-text) !important; }

/* Version badge — z-index must exceed sticky cells (max 5) and sheet UI
   but stay below modals/dialogs (1000+). */
.version-badge {
  position: fixed;
  bottom: 0.5rem;
  right: 0.75rem;
  font-size: 0.65rem;
  font-family: ui-monospace, 'SF Mono', monospace;
  color: var(--color-text-faint, #808080);
  opacity: 0.5;
  pointer-events: none;
  z-index: var(--z-float);
  user-select: none;
}

/* Apps with a bottom UI strip (sheets tab strip, etc.) push the version
   badge above that strip so it doesn't overlap. */
body:has(.sheets-app) .version-badge {
  bottom: 3rem;
}

/* ── AI Chat Sidebar ─────────────────────────────────────────────────── */

.ai-chat-sidebar {
  position: relative;
  width: 400px;
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

/* --- Position modes: side (default) / bottom / popup --- */

.ai-chat-sidebar[data-pos="bottom"] {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: auto;
  width: 100%;
  height: 360px;
  min-height: 200px;
  max-height: 85vh;
  border-left: none;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  z-index: var(--z-tooltip);
  resize: vertical;
}

[data-theme="dark"] .ai-chat-sidebar[data-pos="bottom"] {
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.4);
}

.ai-chat-sidebar[data-pos="popup"] {
  position: fixed;
  right: 24px;
  bottom: 24px;
  top: auto;
  left: auto;
  width: 440px;
  height: min(640px, calc(100vh - 48px));
  min-width: 320px;
  min-height: 320px;
  max-width: calc(100vw - 48px);
  max-height: calc(100vh - 48px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  z-index: var(--z-tooltip);
  resize: both;
}

[data-theme="dark"] .ai-chat-sidebar[data-pos="popup"] {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}

.ai-chat-position-btn {
  position: relative;
}

.ai-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-sm);
}

.ai-chat-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
}

.ai-chat-title {
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text);
  white-space: nowrap;
}

.ai-chat-model-badge {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: var(--color-hover);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.ai-chat-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.ai-chat-close {
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

/* Settings panel */

.ai-chat-settings {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ai-chat-settings-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-chat-settings-field label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.ai-chat-hint {
  font-weight: 400;
  opacity: 0.7;
}

.ai-chat-settings-field input[type="text"],
.ai-chat-settings-field input[type="password"],
.ai-chat-settings-field select {
  font-size: 0.8125rem;
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: ui-monospace, 'SF Mono', monospace;
}

.ai-chat-settings-field select {
  font-family: var(--font-body);
}

.ai-chat-model-custom {
  margin-top: 4px;
}

/* #675 — endpoint validation helper + error text. */
.ai-chat-endpoint-hint {
  margin: 2px 0 0;
  font-size: 0.7rem;
  color: var(--color-text-faint);
  line-height: 1.3;
}
.ai-chat-endpoint-hint code {
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 0.95em;
  padding: 0 3px;
  background: var(--color-surface-alt, var(--color-surface));
  border-radius: 2px;
}
.ai-chat-endpoint-error {
  margin: 2px 0 0;
  font-size: 0.7rem;
  color: var(--color-danger, #d32f2f);
  line-height: 1.3;
}
.ai-chat-settings-field input[aria-invalid="true"] {
  border-color: var(--color-danger, #d32f2f);
}

.ai-chat-context-row {
  flex-direction: row;
  align-items: center;
}

.ai-chat-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8125rem;
  color: var(--color-text);
  cursor: pointer;
}

.ai-chat-toggle-label input[type="checkbox"] {
  accent-color: var(--color-accent);
}

.ai-chat-advanced {
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.ai-chat-advanced summary {
  cursor: pointer;
  user-select: none;
}

.ai-chat-advanced .ai-chat-settings-field {
  margin-top: var(--space-xs);
}

/* Message area */

.ai-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ai-chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  gap: var(--space-xs);
  padding: var(--space-xl);
}

.ai-chat-empty-icon {
  font-size: 2rem;
  opacity: 0.5;
}

.ai-chat-empty-text {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.ai-chat-empty-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  max-width: 240px;
}

/* Chat bubbles */

.ai-chat-bubble {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.55;
  word-break: break-word;
  max-width: 100%;
}

.ai-chat-bubble--user {
  background: var(--color-accent);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  max-width: 85%;
}

.ai-chat-bubble--assistant {
  background: var(--color-hover);
  color: var(--color-text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.ai-chat-thinking {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 0;
}

.ai-thinking-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: ai-bounce 1.4s ease-in-out infinite;
}

.ai-thinking-dot:nth-child(2) {
  animation-delay: 0.16s;
}

.ai-thinking-dot:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes ai-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Code blocks in AI responses */

.ai-code-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  margin: var(--space-xs) 0;
  overflow-x: auto;
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.ai-inline-code {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 1px 4px;
  font-family: ui-monospace, 'SF Mono', monospace;
  font-size: 0.85em;
}

/* Headers in AI responses */

.ai-chat-bubble .ai-h {
  margin: var(--space-sm) 0 var(--space-xs);
  line-height: 1.3;
}

.ai-chat-bubble h1.ai-h { font-size: 1.1rem; }
.ai-chat-bubble h2.ai-h { font-size: 1rem; }
.ai-chat-bubble h3.ai-h { font-size: 0.9375rem; }
.ai-chat-bubble h4.ai-h,
.ai-chat-bubble h5.ai-h,
.ai-chat-bubble h6.ai-h { font-size: 0.875rem; }

/* Tables in AI responses */

.ai-table {
  border-collapse: collapse;
  width: 100%;
  margin: var(--space-xs) 0;
  font-size: 0.8125rem;
}

.ai-table th,
.ai-table td {
  border: 1px solid var(--color-border);
  padding: 3px 6px;
  text-align: left;
}

.ai-table th {
  background: var(--color-surface-alt);
  font-weight: 600;
}

.ai-table tr:nth-child(even) td {
  background: var(--color-bg);
}

/* Lists in AI responses */

.ai-list {
  margin: var(--space-xs) 0;
  padding-left: 1.25em;
}

.ai-list li {
  margin-bottom: 2px;
}

/* Horizontal rule in AI responses */

.ai-hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-sm) 0;
}

/* Links in AI responses */

.ai-chat-bubble a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.ai-chat-bubble a:hover {
  color: var(--color-accent-hover);
}

/* Input area */

.ai-chat-input-area {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.ai-chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-xs);
}

.ai-chat-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-size: 0.875rem;
  font-family: var(--font-body);
  line-height: 1.4;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 36px;
  max-height: 120px;
  transition: border-color var(--transition-fast);
}

.ai-chat-input:focus {
  border-color: var(--color-accent);
}

.ai-chat-input::placeholder {
  color: var(--color-text-muted);
}

.ai-chat-send,
.ai-chat-stop {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}

.ai-chat-send {
  background: var(--color-accent);
  color: white;
}

.ai-chat-send:hover {
  opacity: 0.85;
}

.ai-chat-send:disabled {
  opacity: 0.4;
  cursor: default;
}

.ai-chat-stop {
  background: var(--color-error, #f14d4c);
  color: white;
  font-size: 1rem;
}

.ai-chat-stop:hover {
  opacity: 0.85;
}

/* AI action cards */

.ai-action-card {
  margin: var(--space-xs) var(--space-md);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 0.8125rem;
}

.ai-action-card-desc {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.ai-action-card-desc .tb-icon {
  flex-shrink: 0;
  color: var(--color-accent);
}

.ai-action-card-buttons {
  display: flex;
  gap: var(--space-xs);
}

.ai-action-btn {
  padding: 3px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.75rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.ai-action-btn:hover {
  border-color: var(--color-accent);
}

.ai-action-btn--apply {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.ai-action-btn--apply:hover {
  opacity: 0.85;
}

.ai-action-btn--suggest {
  background: #7bc27e;
  background: oklch(0.75 0.12 145);
  color: white;
  border-color: #7bc27e;
  border-color: oklch(0.75 0.12 145);
}

.ai-action-btn--suggest:hover {
  opacity: 0.85;
}

.ai-action-btn--dismiss {
  color: var(--color-text-muted);
}

.ai-action-card-status {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.ai-action-card--applied {
  border-color: var(--color-accent);
  opacity: 0.7;
}

.ai-action-card--suggested {
  border-color: #7bc27e;
  border-color: oklch(0.75 0.12 145);
  opacity: 0.7;
}

.ai-action-card--dismissed {
  opacity: 0.4;
}

/* AI chat onboarding banner (shown when no endpoint is configured) */
.ai-chat-onboarding {
  margin: var(--space-sm) var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--color-accent) 8%, var(--color-surface));
  font-size: 0.8125rem;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.ai-chat-onboarding-title {
  font-weight: 600;
  font-size: 0.875rem;
}

.ai-chat-onboarding-body {
  color: var(--color-text-muted);
  line-height: 1.4;
}

.ai-chat-onboarding-cta {
  align-self: flex-start;
  padding: 4px 12px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: white;
  font-size: 0.75rem;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.ai-chat-onboarding-cta:hover {
  opacity: 0.85;
}

/* AI chat parse-error note (non-fatal action parse failures) */
.ai-chat-parse-errors {
  margin: var(--space-xs) var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-warning, #d97706);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  background: color-mix(in oklch, var(--color-warning, #d97706) 6%, var(--color-surface));
  color: var(--color-text);
  font-size: 0.75rem;
}

.ai-chat-parse-errors-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.ai-chat-parse-errors ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-text-muted);
}

/* AI chat error bubble */
.ai-chat-bubble--error {
  border: 1px solid var(--color-error, #f14d4c);
  background: color-mix(in oklch, var(--color-error, #f14d4c) 6%, var(--color-surface));
}

.ai-chat-error {
  color: var(--color-error, #f14d4c);
  font-size: 0.8125rem;
}

.zen-mode .ai-chat-sidebar {
  display: none !important;
}

@media (max-width: 768px) {
  .ai-chat-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    z-index: var(--z-tooltip);
  }
}

/* ── Wireframe Component Palette ──────────────────────────────── */

.wireframe-dropdown { position: relative; }
.wireframe-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 50;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 4px;
  min-width: 140px;
  max-height: 320px;
  overflow-y: auto;
}
.wireframe-category {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
  padding: 6px 8px 2px;
}
.wireframe-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-size: 0.78rem;
  padding: 4px 8px;
  border-radius: 3px;
  cursor: pointer;
}
.wireframe-item:hover { background: var(--color-surface-alt); }

/* ── Modal dialog (promise-based prompt/confirm) — #109 ─────────── */

.modal-dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal, 10000);
  animation: modal-fade-in 0.12s ease-out;
}

[data-theme="dark"] .modal-dialog-backdrop {
  background: rgba(0, 0, 0, 0.6);
}

@keyframes modal-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  padding: var(--space-lg);
  min-width: 320px;
  max-width: 480px;
  width: calc(100% - var(--space-xl));
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  animation: modal-dialog-in 0.15s ease-out;
}

@keyframes modal-dialog-in {
  from { transform: translateY(-8px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal-dialog-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.modal-dialog-message {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.modal-dialog-input {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.875rem;
  font-family: inherit;
}

.modal-dialog-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--color-accent) 30%, transparent);
}

.modal-dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.modal-dialog-ok,
.modal-dialog-cancel {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
}

.modal-dialog-cancel:hover {
  background: var(--color-surface-alt);
}

.modal-dialog-ok {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.modal-dialog-ok:hover {
  opacity: 0.88;
}

.modal-dialog-ok--destructive {
  background: var(--color-error, #f14d4c);
  border-color: var(--color-error, #f14d4c);
}

.modal-dialog-ok:focus-visible,
.modal-dialog-cancel:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Electron traffic-light padding (landing page, supplements rules at line ~1850) ── */
.is-electron .landing-header .brand {
  padding-left: 88px;
}

/* ── Slides Editor ──────────────────────────────────────────────────── */

.slides-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.slides-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Left: thumbnail panel */
.slides-panel {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.slides-thumbnail-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.slides-thumbnail {
  aspect-ratio: 16/9;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  transition: border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.slides-thumbnail:hover {
  border-color: var(--color-border-strong);
}

.slides-thumbnail.active {
  border-color: var(--color-teal);
}

.slides-thumbnail-number {
  position: absolute;
  top: 2px;
  left: 4px;
  font-size: 0.55rem;
  color: var(--color-text-faint);
}

.slides-add-btn {
  margin: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  transition: background var(--transition-fast);
}

.slides-add-btn:hover {
  background: var(--color-hover);
}

/* Center: canvas area */
.slides-canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.slides-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.slides-layout-select,
.slides-theme-select,
.slides-transition-select {
  padding: 3px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.75rem;
}

.slides-canvas-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-alt);
  padding: var(--space-lg);
  overflow: auto;
}

.slides-canvas {
  width: 960px;
  height: 540px;
  max-width: 100%;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .slides-canvas {
  background: #24211c;
  background: oklch(0.25 0.01 75);
}

/* Right: notes panel */
.slides-notes-panel {
  width: 240px;
  flex-shrink: 0;
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  padding: var(--space-sm);
}

.slides-notes-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.slides-notes-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text);
  background: var(--color-bg);
}

/* Slide elements */
.slide-element {
  position: absolute;
  cursor: move;
  user-select: none;
}

.slide-element.selected {
  outline: 2px solid var(--color-teal);
  outline-offset: 1px;
}

.slide-element-text {
  min-width: 40px;
  min-height: 20px;
  padding: 4px 8px;
}

.slide-element-text[contenteditable="true"] {
  cursor: text;
  outline: 1px dashed var(--color-border-strong);
}

/* ── Presenter Overlay ──────────────────────────────────────────────── */

.presenter-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: #030303;
  background: oklch(0.10 0 0);
  color: #dedede;
  color: oklch(0.90 0 0);
  display: flex;
}

.presenter-current {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.presenter-current .slides-canvas {
  width: 100%;
  height: 100%;
  max-width: none;
}

.presenter-sidebar {
  width: 320px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid #2e2e2e;
  border-left: 1px solid oklch(0.30 0 0);
  background: #090909;
  background: oklch(0.14 0 0);
}

.presenter-next {
  padding: var(--space-sm);
  border-bottom: 1px solid #2e2e2e;
  border-bottom: 1px solid oklch(0.30 0 0);
}

.presenter-next h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: #808080;
  color: oklch(0.60 0 0);
  margin-bottom: var(--space-xs);
}

.presenter-next-preview {
  aspect-ratio: 16/9;
  background: #161616;
  background: oklch(0.20 0 0);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.presenter-notes {
  flex: 1;
  padding: var(--space-sm);
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #bebebe;
  color: oklch(0.80 0 0);
}

.presenter-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-top: 1px solid #2e2e2e;
  border-top: 1px solid oklch(0.30 0 0);
}

.presenter-timer {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: #9e9e9e;
  color: oklch(0.70 0 0);
}

.presenter-progress {
  font-size: 0.8rem;
  color: #808080;
  color: oklch(0.60 0 0);
  margin-left: auto;
}

/* ── Diagrams / Whiteboard ──────────────────────────────────────────── */

.diagrams-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.diagrams-main {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
}

.diagrams-toolbar {
  position: absolute;
  top: var(--space-sm);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 4px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  z-index: var(--z-component);
}

.diagrams-tool.active {
  background: var(--color-btn-active-bg);
  color: var(--color-accent);
}

.diagrams-zoom-label {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  min-width: 3em;
  text-align: center;
}

.diagrams-canvas-area {
  flex: 1;
  overflow: hidden;
  cursor: crosshair;
}

.diagrams-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.diagrams-grid {
  pointer-events: none;
}

.diagrams-layer {
  pointer-events: all;
}

/* Properties panel */
.diagrams-props-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.diagrams-prop-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.diagrams-prop-input {
  width: 100%;
  padding: 3px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.8rem;
  margin-top: 2px;
}

.diagram-shape.selected rect,
.diagram-shape.selected ellipse,
.diagram-shape.selected polygon,
.diagram-shape.selected path {
  stroke: var(--color-teal);
}

.resize-handle {
  fill: white;
  stroke: var(--color-teal);
  stroke-width: 1.5;
  cursor: pointer;
}

.marquee-rect {
  fill: var(--color-teal);
  fill-opacity: 0.08;
  stroke: var(--color-teal);
  stroke-width: 1;
  stroke-dasharray: 4 3;
  pointer-events: none;
}

.creation-preview {
  pointer-events: none;
}
.creation-preview rect,
.creation-preview ellipse,
.creation-preview polygon {
  fill: var(--color-teal);
  fill-opacity: 0.06;
  stroke: var(--color-teal);
  stroke-width: 1.5;
  stroke-dasharray: 6 3;
}

.arrow-preview {
  stroke: var(--color-text-muted);
  stroke-width: 1.5;
  stroke-dasharray: 6 3;
  pointer-events: none;
}

.arrow-hover-target rect,
.arrow-hover-target ellipse,
.arrow-hover-target polygon {
  stroke: var(--color-teal);
  stroke-dasharray: 4 2;
}

.rotation-handle {
  fill: white;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  cursor: grab;
}
.rotation-handle:active { cursor: grabbing; }

.rotation-line {
  pointer-events: none;
}

.freehand-preview {
  pointer-events: none;
}

.inline-text-edit textarea {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  resize: none;
  outline: none;
  text-align: center;
  color: var(--color-text);
  padding: 4px;
  box-sizing: border-box;
}

.diagram-arrow {
  cursor: pointer;
}

/* Style panel (right sidebar) */
.diagrams-style-panel {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm);
  z-index: var(--z-component);
}

.diagrams-style-row {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}
.diagrams-style-row label {
  flex: 1;
  display: flex;
  flex-direction: column;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  gap: 2px;
}
.diagrams-style-row input[type="color"] {
  width: 100%;
  height: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1px;
  cursor: pointer;
  background: none;
}
.diagrams-style-row select,
.diagrams-style-row input[type="number"] {
  width: 100%;
  padding: 2px 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.75rem;
}
.diagrams-style-row input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
}

/* Toolbar divider for diagrams */
.diagrams-toolbar .toolbar-divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  margin: 0 4px;
}

/* Context menu */
.diagrams-context-menu {
  position: fixed;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 4px 0;
  z-index: var(--z-overlay);
  min-width: 160px;
}
.diagrams-context-menu button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 6px 12px;
  border: none;
  background: none;
  color: var(--color-text);
  font-size: 0.8rem;
  cursor: pointer;
  text-align: left;
}
.diagrams-context-menu button:hover {
  background: var(--color-btn-hover-bg);
}
.diagrams-context-menu .menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}
.diagrams-context-menu .shortcut {
  margin-left: auto;
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

/* Snap guides */
.snap-guide {
  stroke: var(--color-teal);
  stroke-width: 0.5;
  stroke-dasharray: 3 2;
  pointer-events: none;
}

/* Shortcuts dialog */
.diagrams-shortcuts-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  z-index: var(--z-tooltip);
  max-width: 480px;
  width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
}
.diagrams-shortcuts-dialog h2 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
}
.diagrams-shortcuts-dialog .shortcut-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 0.8rem;
  border-bottom: 1px solid var(--color-border-subtle, var(--color-border));
}
.diagrams-shortcuts-dialog kbd {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}
.diagrams-shortcuts-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: calc(var(--z-tooltip) - 1);
}

/* ── Comments Sidebar ───────────────────────────────────────────────── */

.comments-sidebar {
  width: 300px;
  flex-shrink: 0;
  border-left: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.comments-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.comments-header h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.comments-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
}

.comment-thread {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  background: var(--color-bg);
  transition: border-color var(--transition-fast);
}

.comment-thread:hover {
  border-color: var(--color-border-strong);
}

.comment-thread.resolved {
  opacity: 0.5;
}

.comment-author {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.comment-time {
  font-size: 0.65rem;
  color: var(--color-text-faint);
  margin-left: var(--space-xs);
}

.comment-body {
  font-size: 0.8rem;
  color: var(--color-text);
  margin-top: var(--space-xs);
  line-height: 1.45;
}

.comment-reply-input {
  width: 100%;
  margin-top: var(--space-xs);
  padding: 4px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  background: var(--color-surface);
  color: var(--color-text);
}

.comment-actions {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.comment-actions button {
  font-size: 0.65rem;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}

.comment-actions button:hover {
  background: var(--color-hover);
}

/* ── Follow Mode ────────────────────────────────────────────────────── */

.follow-banner {
  position: fixed;
  top: var(--space-sm);
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  background: var(--color-teal);
  color: var(--color-btn-primary-text);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  box-shadow: var(--shadow-md);
}

.follow-banner button {
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  cursor: pointer;
  font-size: 0.7rem;
}

/* ── Split View ─────────────────────────────────────────────────────── */

.split-container {
  display: grid;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.split-pane {
  overflow: auto;
  border-right: 1px solid var(--color-border);
  position: relative;
}

.split-pane:last-child {
  border-right: none;
}

.split-handle {
  width: 4px;
  background: var(--color-border);
  cursor: col-resize;
  transition: background var(--transition-fast);
}

.split-handle:hover {
  background: var(--color-teal);
}

/* ── Focus / Typewriter Mode ────────────────────────────────────────── */

.typewriter-mode .tiptap .ProseMirror {
  padding-top: 40vh;
  padding-bottom: 40vh;
}

.typewriter-mode .tiptap .ProseMirror .is-active-node {
  opacity: 1;
}

.typewriter-mode .tiptap .ProseMirror > *:not(.is-active-node) {
  opacity: 0.4;
  transition: opacity var(--transition-med);
}

/* ── Responsive: Slides ─────────────────────────────────────────────── */

@media (max-width: 768px) {
  .slides-panel {
    width: 120px;
  }
  .slides-notes-panel {
    display: none;
  }
  .slides-canvas {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }
  .presenter-sidebar {
    width: 200px;
  }
  .diagrams-toolbar {
    flex-wrap: wrap;
    gap: 1px;
    padding: 2px 4px;
  }
  .comments-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    z-index: var(--z-tooltip);
  }
}

@media (max-width: 480px) {
  .slides-panel {
    display: none;
  }
  /* When toggled open on phone, render as full-screen overlay above canvas */
  .slides-panel.slides-panel--mobile-open {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 75vw;
    max-width: 280px;
    z-index: var(--z-tooltip);
    box-shadow: var(--shadow-lg);
    background: var(--color-surface);
  }
  .presenter-sidebar {
    display: none;
  }
  .diagrams-props {
    width: 160px;
  }
}

/* Hide the mobile-only panel toggle on desktop */
.slides-panel-toggle {
  display: none;
}
@media (max-width: 480px) {
  .slides-panel-toggle {
    display: inline-flex;
  }
}

/* ============================================================
   Syntax Highlighting (lowlight / highlight.js class-based)
   ============================================================ */

.tiptap pre {
  position: relative;
}

.tiptap pre code .hljs-comment,
.tiptap pre code .hljs-quote {
  color: var(--color-text-faint);
  font-style: italic;
}

.tiptap pre code .hljs-keyword,
.tiptap pre code .hljs-selector-tag,
.tiptap pre code .hljs-built_in,
.tiptap pre code .hljs-type {
  color: #8c54b2;
  color: oklch(0.55 0.15 310);
}
[data-theme="dark"] .tiptap pre code .hljs-keyword,
[data-theme="dark"] .tiptap pre code .hljs-selector-tag,
[data-theme="dark"] .tiptap pre code .hljs-built_in,
[data-theme="dark"] .tiptap pre code .hljs-type {
  color: #bf8ae6;
  color: oklch(0.72 0.14 310);
}

.tiptap pre code .hljs-string,
.tiptap pre code .hljs-addition {
  color: #2f7434;
  color: oklch(0.50 0.12 145);
}
[data-theme="dark"] .tiptap pre code .hljs-string,
[data-theme="dark"] .tiptap pre code .hljs-addition {
  color: #6cb26f;
  color: oklch(0.70 0.12 145);
}

.tiptap pre code .hljs-number,
.tiptap pre code .hljs-literal {
  color: #a34d00;
  color: oklch(0.52 0.14 55);
}
[data-theme="dark"] .tiptap pre code .hljs-number,
[data-theme="dark"] .tiptap pre code .hljs-literal {
  color: #de8f57;
  color: oklch(0.72 0.12 55);
}

.tiptap pre code .hljs-title,
.tiptap pre code .hljs-section {
  color: #0465af;
  color: oklch(0.50 0.14 250);
}
[data-theme="dark"] .tiptap pre code .hljs-title,
[data-theme="dark"] .tiptap pre code .hljs-section {
  color: #67aaed;
  color: oklch(0.72 0.12 250);
}

.tiptap pre code .hljs-name,
.tiptap pre code .hljs-selector-id,
.tiptap pre code .hljs-selector-class {
  color: #007172;
  color: oklch(0.48 0.12 195);
}
[data-theme="dark"] .tiptap pre code .hljs-name,
[data-theme="dark"] .tiptap pre code .hljs-selector-id,
[data-theme="dark"] .tiptap pre code .hljs-selector-class {
  color: #39abab;
  color: oklch(0.68 0.1 195);
}

.tiptap pre code .hljs-attr,
.tiptap pre code .hljs-attribute {
  color: #906a21;
  color: oklch(0.55 0.1 80);
}
[data-theme="dark"] .tiptap pre code .hljs-attr,
[data-theme="dark"] .tiptap pre code .hljs-attribute {
  color: #c69e58;
  color: oklch(0.72 0.1 80);
}

.tiptap pre code .hljs-deletion {
  color: #b94642;
  color: oklch(0.55 0.15 25);
}
[data-theme="dark"] .tiptap pre code .hljs-deletion {
  color: #e97871;
  color: oklch(0.70 0.14 25);
}

.tiptap pre code .hljs-regexp,
.tiptap pre code .hljs-link {
  color: #007e5e;
  color: oklch(0.52 0.12 170);
}

.tiptap pre code .hljs-meta,
.tiptap pre code .hljs-meta .hljs-keyword,
.tiptap pre code .hljs-meta .hljs-string {
  color: var(--color-text-muted);
}

.tiptap pre code .hljs-emphasis {
  font-style: italic;
}

.tiptap pre code .hljs-strong {
  font-weight: 700;
}

/* Code block language label */
.tiptap pre[data-language]::before {
  content: attr(data-language);
  position: absolute;
  top: 0.25rem;
  right: 0.5rem;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  pointer-events: none;
}

/* ============================================================
   Table of Contents
   ============================================================ */

.toc-list {
  list-style: none;
  padding-left: 0;
  margin: 1em 0;
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-md);
}

.toc-list ul {
  list-style: none;
  padding-left: var(--space-lg);
  margin: 0;
}

.toc-list li {
  margin: 0.25em 0;
}

.toc-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.toc-list a:hover {
  color: var(--color-teal);
  text-decoration: underline;
}

/* ============================================================
   Calendar — E2EE Collaborative Calendar
   ============================================================ */

/* --- Calendar tokens --- */
:root {
  --cal-cell-min:       120px;
  --cal-cell-min-tablet: 90px;
  --cal-cell-min-mobile: 60px;
  --cal-hour-height:    60px;
  --cal-gutter-width:   60px;
  --cal-now-color:      #bd413f;
  --cal-now-color:      oklch(0.55 0.16 25);

  /* Event palette — 8 hues keyed to oklch for both themes */
  --cal-ev-red:         #c75450;
  --cal-ev-red:         oklch(0.56 0.14 25);
  --cal-ev-orange:      #c47525;
  --cal-ev-orange:      oklch(0.60 0.14 60);
  --cal-ev-gold:        #a88a1a;
  --cal-ev-gold:        oklch(0.62 0.12 90);
  --cal-ev-green:       #3a8a4e;
  --cal-ev-green:       oklch(0.55 0.12 150);
  --cal-ev-teal:        #0f7e7f;
  --cal-ev-teal:        oklch(0.52 0.10 195);
  --cal-ev-blue:        #3d6ea5;
  --cal-ev-blue:        oklch(0.52 0.10 250);
  --cal-ev-purple:      #7c549e;
  --cal-ev-purple:      oklch(0.50 0.12 310);
  --cal-ev-slate:       #6a6560;
  --cal-ev-slate:       oklch(0.50 0.01 75);
}

[data-theme="dark"] {
  --cal-now-color:      #ce514d;
  --cal-now-color:      oklch(0.60 0.16 25);

  --cal-ev-red:         #d06b67;
  --cal-ev-red:         oklch(0.62 0.14 25);
  --cal-ev-orange:      #d08e45;
  --cal-ev-orange:      oklch(0.66 0.12 60);
  --cal-ev-gold:        #c0a230;
  --cal-ev-gold:        oklch(0.70 0.12 90);
  --cal-ev-green:       #4faa65;
  --cal-ev-green:       oklch(0.65 0.12 150);
  --cal-ev-teal:        #2fa0a0;
  --cal-ev-teal:        oklch(0.62 0.10 195);
  --cal-ev-blue:        #5f92c4;
  --cal-ev-blue:        oklch(0.62 0.10 250);
  --cal-ev-purple:      #9e78be;
  --cal-ev-purple:      oklch(0.60 0.12 310);
  --cal-ev-slate:       #8a857f;
  --cal-ev-slate:       oklch(0.60 0.01 75);
}


/* ── App Layout ──────────────────────────────────────────────────────── */

.calendar-app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none; /* prevent pull-to-refresh / rubber-band on mobile */
}

.calendar-main {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0; /* allow flex children to shrink below content size */
}

/* Calendar body: sidebar + grid wrapper */
.cal-body {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}

/* ── Mini Calendar Sidebar ──────────────────────────────────────────── */

.cal-sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  padding: var(--space-sm);
  overflow-y: auto;
  transition: width var(--transition-fast), padding var(--transition-fast), border var(--transition-fast);
}

.cal-sidebar-hidden {
  width: 0;
  padding: 0;
  border-right: none;
  overflow: hidden;
}

.cal-mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
}

.cal-mini-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.cal-mini-nav {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.6rem;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  line-height: 1;
}

.cal-mini-nav:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

.cal-mini-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
}

.cal-mini-dow {
  font-size: 0.55rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 2px 0;
  font-weight: 600;
}

.cal-mini-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  padding: 2px 0;
  border: none;
  background: none;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  line-height: 1.2;
  position: relative;
}

.cal-mini-day:hover {
  background: var(--color-hover);
}

.cal-mini-other {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.cal-mini-today {
  font-weight: 700;
  color: var(--color-accent);
}

.cal-mini-selected {
  background: var(--color-accent);
  color: var(--color-on-accent, #fff);
}

.cal-mini-selected:hover {
  background: var(--color-accent);
  opacity: 0.9;
}

.cal-mini-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-accent);
  position: absolute;
  bottom: 1px;
}

.cal-mini-selected .cal-mini-dot {
  background: var(--color-on-accent, #fff);
}

/* Keyboard shortcuts reference */
.cal-sidebar-shortcuts {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.cal-shortcuts-title {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.cal-shortcut {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  padding: 1px 0;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.cal-shortcut kbd {
  font-family: var(--font-mono, monospace);
  font-size: 0.6rem;
  padding: 0 3px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  background: var(--color-surface);
  min-width: 1.2em;
  text-align: center;
}

.cal-sidebar-toggle svg {
  display: block;
}

/* Hide sidebar on mobile */
@media (max-width: 767px) {
  .cal-sidebar {
    display: none;
  }
}

/* Calendar grid container — fills remaining space below toolbar.
   overflow: hidden here so each view child handles its own scroll. */
.calendar-app .calendar-grid {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}


/* ── Toolbar ─────────────────────────────────────────────────────────── */

.cal-toolbar {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  padding-left: max(var(--space-md), env(safe-area-inset-left));
  padding-right: max(var(--space-md), env(safe-area-inset-right));
  gap: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
}

.cal-nav-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cal-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  line-height: 1.3;
  min-height: 28px;
}

.cal-nav-btn:hover {
  background: var(--color-hover);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.cal-nav-btn:active {
  transform: scale(0.98);
}

.cal-nav-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* Search input */
.cal-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.cal-search-input {
  width: 160px;
  padding: 0.3rem 1.6rem 0.3rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.8rem;
  line-height: 1.3;
  min-height: 28px;
  transition: border-color var(--transition-fast), width var(--transition-fast);
}

.cal-search-input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.cal-search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  width: 220px;
}

.cal-search-clear {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: none;
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.cal-search-clear:hover {
  color: var(--color-text);
}

.cal-date-label {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-text);
  white-space: nowrap;
  user-select: none;
  margin-left: var(--space-xs);
}

.cal-view-group {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cal-view-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.7rem;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  line-height: 1.3;
  min-height: 28px;
}

.cal-view-btn:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

.cal-view-btn.active {
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
}

.cal-view-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}


/* ── Month View ──────────────────────────────────────────────────────── */

.cal-month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  /* First row (day-of-week header) is compact; remaining rows share space equally */
  grid-template-rows: auto;
  grid-auto-rows: 1fr;
  flex: 1;
  overflow: hidden;
  touch-action: pan-y; /* allow vertical touch gestures; we capture swipe at touchend */
}

/* Week number variant: 8 columns (wk + 7 days) */
.cal-month-grid-weeknums {
  grid-template-columns: 28px repeat(7, 1fr);
}

.cal-week-num-header {
  position: sticky;
  top: 0;
  z-index: var(--z-component);
  padding: var(--space-xs) 2px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-strong);
  text-align: center;
  user-select: none;
}

.cal-week-num {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  user-select: none;
  opacity: 0.7;
}

.cal-month-header {
  display: contents;
}

.cal-month-header-cell {
  position: sticky;
  top: 0;
  z-index: var(--z-component);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-strong);
  text-align: center;
  user-select: none;
}

.cal-day-cell {
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xs);
  cursor: pointer;
  transition: background var(--transition-fast);
  overflow: hidden;
  position: relative;
}

/* Grid overflow clips the last column's right border naturally */

.cal-day-cell:hover {
  background: var(--color-hover);
}

.cal-day-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
  width: 1.6em;
  height: 1.6em;
  line-height: 1;
  margin-bottom: var(--space-xs);
  border-radius: 50%;
  user-select: none;
}

.cal-day-today .cal-day-number {
  background: var(--color-teal);
  color: #f7f5f1;
  color: oklch(0.97 0.005 75);
}

.cal-day-other-month {
  opacity: 0.38;
}

.cal-day-other-month:hover {
  opacity: 0.55;
}

.cal-event-pill {
  display: block;
  padding: 1px 5px;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  font-size: 0.68rem;
  line-height: 1.4;
  font-family: var(--font-body);
  color: #f7f5f1;
  color: oklch(0.97 0.005 75);
  background: var(--pill-color, var(--cal-ev-teal));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: filter var(--transition-fast);
}

.cal-event-pill:hover {
  filter: brightness(1.1);
}

[data-theme="dark"] .cal-event-pill {
  color: #f7f5f1;
  color: oklch(0.97 0.005 75);
}

/* Multi-day event rendering */
.cal-event-pill.event-multi-start {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  margin-right: 0;
}
.cal-event-pill.event-multi-middle {
  border-radius: 0;
  margin-left: 0;
  margin-right: 0;
}
.cal-event-pill.event-multi-end {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-left: 0;
}

/* Drag-and-drop event rescheduling */
.cal-event-pill.cal-dragging {
  opacity: 0.4;
}
.cal-day-cell.cal-drag-over {
  background: oklch(0.85 0.08 220 / 0.3);
  outline: 2px dashed oklch(0.6 0.1 220);
  outline-offset: -2px;
}
[data-theme="dark"] .cal-day-cell.cal-drag-over {
  background: oklch(0.3 0.06 220 / 0.4);
  outline-color: oklch(0.55 0.1 220);
}

/* Drop overlay for .ics file import */
.cal-drop-overlay {
  position: absolute;
  inset: 0;
  background: oklch(0.95 0.02 220 / 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  border: 3px dashed oklch(0.6 0.1 220);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
[data-theme="dark"] .cal-drop-overlay {
  background: oklch(0.15 0.02 220 / 0.92);
  border-color: oklch(0.5 0.1 220);
}
.cal-drop-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: oklch(0.4 0.08 220);
}
[data-theme="dark"] .cal-drop-overlay-inner {
  color: oklch(0.8 0.06 220);
}
.cal-drop-icon { font-size: 2.5rem; }

.cal-more-link {
  display: block;
  padding: 1px 5px;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  user-select: none;
}

.cal-more-link:hover {
  color: var(--color-text);
}


/* ── Week View ───────────────────────────────────────────────────────── */

.cal-week-grid {
  display: grid;
  grid-template-columns: var(--cal-gutter-width) repeat(7, 1fr);
  grid-template-rows: auto auto 1fr;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.cal-week-header {
  display: contents;
}

.cal-week-header-cell {
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  user-select: none;
}

.cal-week-header-cell.is-today {
  color: var(--color-teal);
}

.cal-week-day-name {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cal-week-header-gutter {
  grid-row: 1;
  grid-column: 1;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.cal-week-header-date {
  display: block;
  font-size: 1.3rem;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  line-height: 1.2;
}

.cal-week-header-cell.is-today .cal-week-header-date {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6em;
  height: 1.6em;
  border-radius: 50%;
  background: var(--color-teal);
  color: #f7f5f1;
  color: oklch(0.97 0.005 75);
}

/* All-day row */
.cal-allday-bar {
  display: contents;
}

.cal-allday-gutter {
  grid-column: 1;
  padding: var(--space-xs);
  font-size: 0.6rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cal-allday-cell {
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border-strong);
  padding: var(--space-xs);
  min-height: 2rem;
  background: var(--color-bg);
}

.cal-allday-cell:last-child {
  border-right: none;
}

/* Time body — scrollable region */
.cal-week-body {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--cal-gutter-width) repeat(7, 1fr);
  overflow-y: auto;
  overscroll-behavior: contain; /* prevent scroll chaining to body */
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.cal-time-gutter {
  width: var(--cal-gutter-width);
}

.cal-hour-label {
  height: var(--cal-hour-height);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 0 var(--space-sm) 0 0;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--color-text-faint);
  position: relative;
  top: -0.45em;
  user-select: none;
}

.cal-day-column {
  position: relative;
  border-right: 1px solid var(--color-border);
}

.cal-day-column:last-child {
  border-right: none;
}

.cal-hour-row {
  height: var(--cal-hour-height);
  border-bottom: 1px solid var(--color-border);
}

.cal-hour-row-half {
  height: calc(var(--cal-hour-height) / 2);
  border-bottom: 1px dashed var(--color-border);
  border-bottom-color: #d7d4cf66;
  border-bottom-color: oklch(0.87 0.008 75 / 0.4);
}

[data-theme="dark"] .cal-hour-row-half {
  border-bottom-color: #2b282566;
  border-bottom-color: oklch(0.28 0.008 75 / 0.4);
}

/* Event blocks — absolute positioned in day columns */
.cal-event-block {
  position: absolute;
  left: 2px;
  right: 2px;
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  font-size: 0.7rem;
  font-family: var(--font-body);
  line-height: 1.3;
  color: #f7f5f1;
  color: oklch(0.97 0.005 75);
  background: var(--pill-color, var(--cal-ev-teal));
  overflow: hidden;
  cursor: pointer;
  z-index: 1;
  transition: box-shadow var(--transition-fast), filter var(--transition-fast);
  border-left: 3px solid rgba(0, 0, 0, 0.15);
}

.cal-event-block:hover {
  box-shadow: var(--shadow-md);
  filter: brightness(1.08);
  z-index: 2;
}

.cal-event-block-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cal-event-block-time {
  font-size: 0.6rem;
  opacity: 0.85;
  white-space: nowrap;
}

/* Current time indicator */
.cal-now-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cal-now-color);
  z-index: 3;
  pointer-events: none;
}

.cal-now-line::before {
  content: '';
  position: absolute;
  left: -4px;
  top: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cal-now-color);
}


/* ── Day View ────────────────────────────────────────────────────────── */

.cal-day-grid {
  display: grid;
  grid-template-columns: var(--cal-gutter-width) 1fr;
  grid-template-rows: auto auto 1fr;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.cal-day-header {
  grid-column: 1 / -1;
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  user-select: none;
}

.cal-day-header-date {
  font-size: 1.4rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--color-text);
  margin-left: var(--space-sm);
}

.cal-day-header.is-today .cal-day-header-date {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6em;
  height: 1.6em;
  border-radius: 50%;
  background: var(--color-teal);
  color: #f7f5f1;
  color: oklch(0.97 0.005 75);
}

/* Day view all-day bar */
.cal-day-allday-gutter {
  grid-column: 1;
  padding: var(--space-xs);
  font-size: 0.6rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cal-day-allday-cell {
  grid-column: 2;
  border-bottom: 1px solid var(--color-border-strong);
  padding: var(--space-xs);
  min-height: 2rem;
  background: var(--color-bg);
}

/* Day view scrollable body */
.cal-day-body {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--cal-gutter-width) 1fr;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

/* Reuses .cal-time-gutter, .cal-hour-label, .cal-hour-row,
   .cal-hour-row-half, .cal-day-column, .cal-event-block,
   .cal-now-line from week view */


/* ── Agenda View ─────────────────────────────────────────────────────── */

.cal-agenda {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-md) var(--space-lg);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.cal-date-group {
  margin-bottom: var(--space-md);
}

.cal-date-header {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-xs);
  margin-top: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  user-select: none;
}

.cal-date-group:first-child .cal-date-header {
  margin-top: 0;
}

.cal-date-header-today {
  color: var(--color-teal);
}

.cal-agenda-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.cal-agenda-item:hover {
  background: var(--color-hover);
}

.cal-agenda-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 0.35em;
  /* background set inline via style attr */
}

.cal-agenda-time {
  flex-shrink: 0;
  width: 6.5em;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.cal-agenda-content {
  flex: 1;
  min-width: 0;
}

.cal-agenda-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
}

.cal-agenda-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.cal-agenda-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-md);
  color: var(--color-text-faint);
  font-size: 0.9rem;
  text-align: center;
  user-select: none;
}

.cal-agenda-empty-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}


/* ── Event Modal ─────────────────────────────────────────────────────── */

.event-modal {
  max-width: 480px;
  width: 90%;
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  -webkit-overflow-scrolling: touch;
}

.event-modal-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
  padding-right: 2.5rem;
}

.event-modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.event-modal-close:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

.event-modal-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.event-modal-field label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}

.event-modal-field input[type="text"],
.event-modal-field input[type="date"],
.event-modal-field input[type="time"],
.event-modal-field input[type="datetime-local"],
.event-modal-field textarea,
.event-modal-field select {
  width: 100%;
  padding: 0.5rem 0.7rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.event-modal-field input:focus,
.event-modal-field textarea:focus,
.event-modal-field select:focus {
  border-color: var(--color-teal);
  box-shadow: 0 0 0 2px var(--color-focus);
}

.event-modal-field textarea {
  resize: vertical;
  min-height: 3.5rem;
  line-height: 1.5;
}

.event-modal-checkbox {
  flex-direction: row;
  align-items: center;
}

.event-modal-checkbox input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.event-modal-checkbox label {
  margin: 0;
}

.event-modal-row {
  display: flex;
  gap: var(--space-sm);
}

.event-modal-row > .event-modal-field {
  flex: 1;
  min-width: 0;
}

/* Color swatches */
.event-color-picker {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.event-color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  padding: 0;
}

.event-color-swatch:hover {
  transform: scale(1.15);
}

.event-color-swatch.active {
  border-color: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-text-muted);
}

.event-color-swatch:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Modal actions */
.event-modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}


/* ── Dark Mode — calendar-specific adjustments ───────────────────────── */

[data-theme="dark"] .cal-event-block {
  border-left-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .cal-event-pill,
[data-theme="dark"] .cal-event-block {
  /* Slightly lower saturation in dark mode for comfort */
  filter: saturate(0.9);
}

[data-theme="dark"] .cal-event-pill:hover {
  filter: saturate(0.9) brightness(1.12);
}

[data-theme="dark"] .cal-event-block:hover {
  filter: saturate(0.9) brightness(1.1);
}


/* ── Settings Popover ────────────────────────────────────────────────── */

.cal-settings-popover {
  position: fixed;
  z-index: 200;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius, 6px);
  padding: var(--space-sm) var(--space-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  min-width: 200px;
}

.cal-settings-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.cal-settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-xs) 0;
  font-size: 0.8rem;
  color: var(--color-text);
  cursor: default;
}

.cal-settings-select {
  font-size: 0.75rem;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
}

.cal-settings-select:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}


/* ── Event Hover Preview ─────────────────────────────────────────────── */

.cal-event-preview {
  position: fixed;
  z-index: 210;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius, 6px);
  padding: var(--space-sm) var(--space-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  max-width: 250px;
  pointer-events: auto;
}

.cal-preview-title {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.cal-preview-time {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.cal-preview-desc {
  font-size: 0.7rem;
  color: var(--color-text-faint);
  line-height: 1.4;
  white-space: pre-line;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}


/* ── Reminder rows (event modal) ─────────────────────────────────────── */

.event-reminder-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.event-reminder-row {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.event-reminder-row .reminder-select {
  flex: 1;
}

.btn-remove-reminder {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.btn-remove-reminder:hover {
  color: var(--color-danger, #d94a4a);
}

.btn-add-reminder {
  background: none;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  margin-top: var(--space-xs);
}
.btn-add-reminder:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

/* ── Subscription list (settings popover) ────────────────────────────── */

.cal-settings-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-sm) 0;
}

.cal-sub-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.cal-sub-empty {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  padding: var(--space-xs) 0;
}

.cal-sub-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
}

.cal-sub-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cal-sub-name {
  flex: 1;
  font-size: 0.85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cal-sub-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.cal-sub-toggle-label {
  font-size: 0.75rem;
}

.cal-sub-sync,
.cal-sub-delete {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 1rem;
  padding: 0 2px;
}
.cal-sub-sync:hover { color: var(--color-teal); }
.cal-sub-delete:hover { color: var(--color-danger, #d94a4a); }

.btn-add-subscription {
  background: none;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  width: 100%;
}
.btn-add-subscription:hover {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

/* ── Subscription modal ──────────────────────────────────────────────── */

.sub-modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: min(440px, 90vw);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.sub-modal h2 {
  margin: 0 0 var(--space-md);
  font-size: 1.1rem;
}

/* ── External event overlay ──────────────────────────────────────────── */

.cal-event-external {
  opacity: 0.75;
  border-style: dashed !important;
}

/* ── Notification banner ─────────────────────────────────────────────── */

.cal-notif-banner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-surface-raised, var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin: var(--space-xs) var(--space-md);
  font-size: 0.85rem;
}

.cal-notif-banner .btn-sm {
  padding: 2px 10px;
  font-size: 0.8rem;
}

.cal-notif-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: 0.85rem;
}

.cal-notif-toggle-btn {
  padding: 2px 10px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-raised, var(--color-surface));
  color: var(--color-text);
  cursor: pointer;
}
.cal-notif-toggle-btn:hover:not(:disabled) {
  background: var(--color-teal);
  color: #fff;
  border-color: var(--color-teal);
}
.cal-notif-toggle-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Keyboard-focused event pill ─────────────────────────────────────── */

.cal-event-pill:focus-visible,
.cal-event-block:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 1px;
  z-index: 5;
}


/* ── Print ───────────────────────────────────────────────────────────── */

@media print {
  .cal-toolbar,
  .cal-now-line {
    display: none !important;
  }

  .cal-day-cell {
    min-height: 80px !important;
    break-inside: avoid;
  }

  .cal-event-pill,
  .cal-event-block {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}


/* ── Responsive: Tablet (768px) ──────────────────────────────────────── */

@media (max-width: 768px) {
  .cal-toolbar {
    flex-wrap: wrap;
    padding: var(--space-xs) var(--space-sm);
    gap: var(--space-sm);
  }

  .cal-nav-group {
    order: 1;
    flex: 1 1 100%;
  }

  .cal-view-group {
    order: 2;
    margin-left: 0;
    flex: 1 1 100%;
    justify-content: center;
  }

  .cal-date-label {
    font-size: 1.05rem;
  }

  /* Month grid — smaller cells */
  .cal-month-grid {
    grid-auto-rows: 1fr;
  }

  .cal-day-cell {
    padding: 2px;
  }

  .cal-day-number {
    font-size: 0.72rem;
  }

  .cal-event-pill {
    font-size: 0.62rem;
    padding: 0 3px;
  }

  /* Week/day — narrower gutter */
  .cal-week-grid,
  .cal-week-body {
    grid-template-columns: 48px repeat(7, 1fr);
  }

  .cal-day-grid,
  .cal-day-body {
    grid-template-columns: 48px 1fr;
  }

  .cal-hour-label {
    font-size: 0.6rem;
    padding-right: var(--space-xs);
  }

  /* Event modal full-width */
  .event-modal {
    max-width: 100%;
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
  }

  .event-modal-row {
    flex-direction: column;
    gap: 0;
  }

  /* Hide week numbers on tablet */
  .cal-week-num,
  .cal-week-num-header {
    display: none;
  }
  .cal-month-grid-weeknums {
    grid-template-columns: repeat(7, 1fr);
  }

  /* Shrink search input */
  .cal-search-input {
    width: 120px;
  }
  .cal-search-input:focus {
    width: 160px;
  }

  /* Agenda — less padding */
  .cal-agenda {
    padding: var(--space-sm) var(--space-md);
  }
}


/* ── Responsive: Mobile (480px) ──────────────────────────────────────── */

@media (max-width: 480px) {
  .cal-toolbar {
    padding: var(--space-xs);
    gap: var(--space-xs);
  }

  .cal-nav-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.72rem;
    min-height: 32px;
    min-width: 32px;
  }

  .cal-view-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.68rem;
    min-height: 32px;
  }

  .cal-date-label {
    font-size: 0.95rem;
  }

  /* Month grid — compact: no pills, just dots */
  .cal-month-grid {
    grid-auto-rows: 1fr;
  }

  .cal-day-cell {
    padding: 1px;
  }

  .cal-month-header-cell {
    font-size: 0.6rem;
    padding: var(--space-xs) 2px;
  }

  /* Abbreviated day names handled by JS (S M T W T F S),
     but ensure cells don't overflow */
  .cal-month-header-cell {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .cal-day-number {
    font-size: 0.68rem;
    width: 1.4em;
    height: 1.4em;
  }

  /* Hide event pills on very small screens — show dot indicator */
  .cal-event-pill {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    padding: 0;
    font-size: 0;
    line-height: 0;
    display: inline-block;
    margin: 0 1px 1px 0;
    vertical-align: top;
  }

  .cal-more-link {
    font-size: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-text-faint);
    display: inline-block;
    padding: 0;
    margin: 0 1px 1px 0;
  }

  /* Week view — horizontal scroll */
  .cal-week-grid {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    min-width: 600px;
  }

  /* Day view — full width, narrow gutter */
  .cal-day-grid,
  .cal-day-body {
    grid-template-columns: 40px 1fr;
  }

  .cal-hour-label {
    font-size: 0.55rem;
  }

  /* Agenda — full width, most comfortable mobile view */
  .cal-agenda {
    padding: var(--space-xs) var(--space-sm);
  }

  .cal-agenda-time {
    width: 5em;
    font-size: 0.72rem;
  }

  .cal-agenda-title {
    font-size: 0.82rem;
  }

  .cal-agenda-desc {
    display: none;
  }

  /* Modal — full width, fills viewport, scrollable body */
  .event-modal {
    padding: var(--space-md);
    padding-top: calc(var(--space-md) + env(safe-area-inset-top, 0));
    padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0));
    border-radius: 0;
    max-height: 100dvh;
    min-height: 100dvh;
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  .event-modal h3 {
    font-size: 1.05rem;
  }

  .event-modal-field input,
  .event-modal-field textarea,
  .event-modal-field select {
    font-size: 16px; /* prevents iOS zoom on focus */
  }

  .event-modal-actions {
    flex-wrap: wrap;
  }

  .event-modal-close {
    top: calc(env(safe-area-inset-top, 0) + var(--space-xs));
    right: var(--space-xs);
    width: 44px;
    height: 44px;
    font-size: 1.6rem;
  }
}


/* ── Smooth theme transitions ────────────────────────────────────────── */

.cal-toolbar,
.cal-month-header-cell,
.cal-day-cell,
.cal-week-header-cell,
.cal-allday-cell,
.cal-day-header,
.event-modal {
  transition: background-color var(--transition-med), border-color var(--transition-med), color var(--transition-med);
}


/* ── Element Animation Keyframes (slides presenter) ──────────────── */

@keyframes atmos-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes atmos-fade-out { from { opacity: 1; } to { opacity: 0; } }
@keyframes atmos-slide-in-left { from { transform: translateX(-100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes atmos-slide-in-right { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes atmos-slide-in-up { from { transform: translateY(100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes atmos-slide-in-down { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes atmos-slide-out-left { from { transform: translateX(0); opacity: 1; } to { transform: translateX(-100%); opacity: 0; } }
@keyframes atmos-slide-out-right { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }
@keyframes atmos-slide-out-up { from { transform: translateY(0); opacity: 1; } to { transform: translateY(-100%); opacity: 0; } }
@keyframes atmos-slide-out-down { from { transform: translateY(0); opacity: 1; } to { transform: translateY(100%); opacity: 0; } }
@keyframes atmos-zoom-in { from { transform: scale(0.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes atmos-zoom-out { from { transform: scale(1); opacity: 1; } to { transform: scale(0.5); opacity: 0; } }
@keyframes atmos-bounce-in { 0% { transform: scale(0.3); opacity: 0; } 50% { transform: scale(1.05); } 70% { transform: scale(0.95); } 100% { transform: scale(1); opacity: 1; } }
@keyframes atmos-spin-in { from { transform: rotate(-180deg) scale(0); opacity: 0; } to { transform: rotate(0) scale(1); opacity: 1; } }

/* ── Data Bars (conditional formatting) ───────────────────────────── */

.cf-data-bar {
  position: absolute;
  bottom: 0;
  height: 100%;
  opacity: 0.3;
  pointer-events: none;
  transition: width 0.2s ease;
}
.cf-data-bar.cf-data-bar--negative { right: 50%; }
.cf-data-bar.cf-data-bar--positive { left: 50%; }
.cf-data-bar.cf-data-bar--all-positive { left: 0; }

/* ── Icon Sets (conditional formatting) ───────────────────────────── */

.cf-icon-set { display: inline-block; width: 14px; height: 14px; margin-right: 4px; vertical-align: middle; }

/* ── Layers Panel (diagrams) ──────────────────────────────────────── */

.layers-panel {
  position: absolute;
  right: 0;
  top: var(--topbar-h, 48px);
  bottom: 0;
  width: 220px;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  overflow-y: auto;
  z-index: 20;
  display: flex;
  flex-direction: column;
  padding: var(--space-xs);
  gap: var(--space-xs);
}

.layers-panel h3 {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.layer-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 6px;
  border-radius: var(--radius-sm, 4px);
  font-size: 0.82rem;
  cursor: pointer;
  user-select: none;
}
.layer-item:hover { background: var(--color-surface-alt); }
.layer-item.layer-item--active { background: var(--color-teal-light); }
.layer-item .layer-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer-item .layer-toggle { opacity: 0.5; cursor: pointer; font-size: 0.9rem; }
.layer-item .layer-toggle:hover { opacity: 1; }
.layer-item .layer-toggle--hidden { opacity: 0.25; }
.layer-item .layer-toggle--locked { color: var(--color-accent); }

.layers-panel .layers-add-btn {
  font-size: 0.78rem;
  padding: 4px 8px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm, 4px);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  text-align: center;
}
.layers-panel .layers-add-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

/* ── Type Filter Bar (landing) ────────────────────────────────────── */

.type-filter-bar {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.type-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.type-filter-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}
.type-filter-btn.type-filter-btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.type-filter-btn .type-filter-count {
  font-size: 0.7rem;
  opacity: 0.7;
}

/* ── Shortcut Customization Panel ─────────────────────────────────── */

.shortcuts-settings-panel {
  max-width: 600px;
  margin: 0 auto;
}

.shortcut-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
}
.shortcut-row:last-child { border-bottom: none; }

.shortcut-label {
  flex: 1;
  font-size: 0.85rem;
}
.shortcut-label .shortcut-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.shortcut-combo {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 4px);
  background: var(--color-surface);
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
  min-width: 80px;
  text-align: center;
  cursor: pointer;
}
.shortcut-combo:hover { border-color: var(--color-accent); }
.shortcut-combo.shortcut-combo--recording {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}
.shortcut-combo--conflict { border-color: #c33; color: #c33; }

.shortcut-reset-btn {
  font-size: 0.72rem;
  padding: 2px 6px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}
.shortcut-reset-btn:hover { color: var(--color-accent); }

/* ── Slides Panel Tabs ────────────────────────────────────────── */

.slides-panel-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xs);
}
.slides-panel-tab {
  flex: 1;
  padding: 6px 0;
  border: none;
  background: transparent;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.slides-panel-tab:hover { color: var(--color-text); }
.slides-panel-tab--active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.slides-anim-list { display: flex; flex-direction: column; gap: 4px; overflow-y: auto; max-height: 200px; }
.anim-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: var(--radius-sm, 4px);
  background: var(--color-surface);
  font-size: 0.8rem;
}
.anim-row:hover { background: var(--color-surface-alt); }
.anim-effect { font-weight: 500; }
.anim-remove { margin-left: auto; opacity: 0.5; }
.anim-remove:hover { opacity: 1; color: var(--color-accent); }
.slides-anim-controls {
  display: flex;
  gap: 4px;
  margin-top: var(--space-xs);
  flex-wrap: wrap;
}
.slides-anim-controls select { font-size: 0.78rem; flex: 1; min-width: 80px; }
.slides-anim-hint { font-size: 0.78rem; color: var(--color-text-muted); margin: var(--space-xs) 0; }

/* ── Slide Thumbnail Drag-to-Reorder ──────────────────────────── */

.slides-thumbnail.dragging { opacity: 0.4; }
.slides-thumbnail.drag-over-top { border-top: 3px solid var(--color-accent); }
.slides-thumbnail.drag-over-bottom { border-bottom: 3px solid var(--color-accent); }
.slides-thumbnail { cursor: grab; transition: opacity 0.15s; }
.slides-thumbnail:active { cursor: grabbing; }

/* ── Presence / Who's Online Sidebar ─────────────────────────── */

.presence-sidebar {
  position: fixed;
  right: 0;
  top: var(--topbar-h, 48px);
  width: 240px;
  max-height: calc(100vh - var(--topbar-h, 48px));
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  overflow-y: auto;
  z-index: 30;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  box-shadow: -2px 0 8px rgba(0,0,0,0.05);
}

.presence-sidebar h3 {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.presence-user {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 8px;
  border-radius: var(--radius-sm, 4px);
}
.presence-user:hover { background: var(--color-surface-alt); }

.presence-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.presence-info {
  flex: 1;
  min-width: 0;
}
.presence-name {
  font-size: 0.82rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.presence-status {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}
.presence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.presence-dot--active { background: #4caf50; }
.presence-dot--stale { background: #ff9800; }

/* ── Content Search Results (landing) ─────────────────────────── */

.content-search-header {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-xs) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.content-search-count {
  font-size: 0.7rem;
  background: var(--color-surface-alt);
  padding: 1px 6px;
  border-radius: 999px;
}
.content-search-list { display: flex; flex-direction: column; gap: 2px; }
.content-search-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border-radius: var(--radius-sm, 4px);
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--transition-fast);
}
.content-search-item:hover { background: var(--color-surface-alt); }
.content-search-name { font-size: 0.85rem; font-weight: 500; }
.content-search-snippet {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.content-search-snippet mark {
  background: var(--color-teal-light);
  color: var(--color-text);
  border-radius: 2px;
  padding: 0 2px;
}
.content-search-meta { font-size: 0.7rem; color: var(--color-text-faint); }

.content-search-header--forge {
  color: oklch(0.45 0.1 250);
  font-weight: 600;
}

.content-search-item--forge {
  border-left: 3px solid oklch(0.65 0.1 250);
  padding-left: 8px;
}

.content-search-badge {
  margin-left: 8px;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: 1px;
}

.content-search-badge--forge {
  background: oklch(0.92 0.04 250);
  color: oklch(0.45 0.1 250);
}

/* ── Batch Action Bar (landing multi-select) ──────────────────── */

.batch-action-bar {
  position: fixed;
  bottom: var(--space-md, 16px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 16px;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  z-index: 100;
  font-size: 0.82rem;
  animation: atmos-fade-in 0.15s ease;
}
.batch-count { font-weight: 600; margin-right: var(--space-xs); }
.batch-btn {
  border: none;
  background: rgba(255,255,255,0.15);
  color: inherit;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.batch-btn:hover { background: rgba(255,255,255,0.25); }
.batch-btn--danger:hover { background: rgba(220,50,50,0.6); }

/* ── Footnote Footer ──────────────────────────────────────────── */

.footnote-footer { margin-top: 2rem; padding-top: 0; }
.footnote-divider { border: none; border-top: 1px solid var(--color-border); margin: 0 0 0.75rem 0; width: 40%; }
.footnote-list { margin: 0; padding-left: 1.5em; font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.6; }
.footnote-entry { margin-bottom: 4px; }
.footnote-backref { color: var(--color-accent); text-decoration: none; font-weight: 600; cursor: pointer; }
.footnote-backref:hover { text-decoration: underline; }
.footnote-content { color: var(--color-text); }
.footnote-marker { cursor: help; color: var(--color-accent); font-weight: 600; }
.footnote-highlight { background: var(--color-teal-light); border-radius: 2px; transition: background 0.3s; }

/* ── Suggestions Panel ────────────────────────────────────────── */

.suggestions-panel { padding: var(--space-sm); }
.suggestions-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-xs); }
.suggestions-count { font-size: 0.82rem; font-weight: 600; color: var(--color-text-muted); }
.suggestions-bulk { display: flex; gap: 4px; }
.suggestions-empty { font-size: 0.82rem; color: var(--color-text-muted); text-align: center; padding: var(--space-md) 0; }
.suggestions-list { display: flex; flex-direction: column; gap: 6px; }

.suggestion-item {
  padding: 8px 10px;
  border-radius: var(--radius-sm, 4px);
  border-left: 3px solid var(--color-border);
  background: var(--color-surface);
}
.suggestion-item--insert { border-left-color: #2ecc71; }
.suggestion-item--delete { border-left-color: #e74c3c; }
.suggestion-meta { font-size: 0.75rem; color: var(--color-text-muted); margin-bottom: 2px; }
.suggestion-type { font-weight: 600; }
.suggestion-item--insert .suggestion-type { color: #2ecc71; }
.suggestion-item--delete .suggestion-type { color: #e74c3c; }
.suggestion-preview { font-size: 0.82rem; margin-bottom: 4px; color: var(--color-text); }
.suggestion-actions { display: flex; gap: 4px; }
.suggestion-accept { background: #2ecc71; color: #fff; border: none; border-radius: 3px; padding: 2px 8px; font-size: 0.72rem; cursor: pointer; }
.suggestion-accept:hover { background: #27ae60; }
.suggestion-reject { background: #e74c3c; color: #fff; border: none; border-radius: 3px; padding: 2px 8px; font-size: 0.72rem; cursor: pointer; }
.suggestion-reject:hover { background: #c0392b; }
.suggestions-accept-all { background: #2ecc71; color: #fff; border: none; border-radius: 3px; padding: 3px 8px; font-size: 0.72rem; cursor: pointer; }
.suggestions-reject-all { background: #e74c3c; color: #fff; border: none; border-radius: 3px; padding: 3px 8px; font-size: 0.72rem; cursor: pointer; }

/* ── Form Response Analytics ──────────────────────────────────── */

.analytics-summary { display: flex; gap: var(--space-md); flex-wrap: wrap; padding: var(--space-sm) 0; }
.analytics-stat { text-align: center; padding: var(--space-sm) var(--space-md); background: var(--color-surface); border-radius: var(--radius-sm, 4px); }
.analytics-stat-value { font-size: 1.5rem; font-weight: 700; color: var(--color-text); display: block; }
.analytics-stat-label { font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.analytics-chart { margin: var(--space-sm) 0; padding: var(--space-sm); background: var(--color-surface); border-radius: var(--radius-sm, 4px); }
.analytics-chart h4 { margin: 0 0 var(--space-xs); font-size: 0.85rem; }

/* ── Math Block (KaTeX) ───────────────────────────────────────── */

.math-block-wrapper {
  position: relative;
  margin: 1em 0;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 4px);
  background: var(--color-surface);
  cursor: pointer;
}
.math-block-wrapper:hover { border-color: var(--color-text-muted); }
.math-block-output { min-height: 1.5em; overflow-x: auto; }
.math-block-output .katex-display { margin: 0.5em 0; }
.math-placeholder { color: var(--color-text-faint); font-style: italic; font-size: 0.85rem; }
.math-error { color: #c33; font-size: 0.8rem; font-family: var(--font-mono, monospace); }
.math-block-toolbar {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  gap: 4px;
}
.math-block-btn {
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.72rem;
  cursor: pointer;
}
.math-block-btn:hover { background: var(--color-surface-alt); color: var(--color-text); }
.math-block-editor {
  width: 100%;
  min-height: 60px;
  margin-top: 8px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono, monospace);
  font-size: 0.85rem;
  resize: vertical;
}

/* TOC Block */
.toc-block-wrapper {
  position: relative;
  margin: 1em 0;
  padding: 16px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm, 4px);
  background: var(--color-surface);
}
.toc-block-wrapper:hover { border-color: var(--color-text-muted); }
.toc-block-header {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.toc-block-content .toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.toc-block-content .toc-list ul {
  margin: 0;
  padding-left: 1.25em;
  list-style: none;
}
.toc-block-content .toc-item { margin: 2px 0; }
.toc-block-content .toc-item a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.6;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.toc-block-content .toc-item a:hover {
  border-bottom-color: var(--color-primary);
}
.toc-block-content .toc-level-1 a { font-weight: 600; }
.toc-block-content .toc-level-2 a { font-weight: 500; }
.toc-block-empty {
  color: var(--color-text-faint);
  font-style: italic;
  font-size: 0.85rem;
}