/* ==========================================================================
   VOT Ecosystem — Shared Design Tokens (Single Source of Truth)
   Shared semantic brand tokens, scales, motion, and typography.
   ========================================================================== */

:root {
  /* Modal dimming stays dark in both themes. */
  --vot-scrim: #000000;
  /* Workspace geometry: paired with the shell's deterministic width budget. */
  --vot-workspace-rail-width: 52px;
  --vot-workspace-gutter: 12px;
  --vot-workspace-panel-gap: 12px;
  --vot-workspace-header-height: 52px;
  /* ------------------------------------------------------------------------
     Typography
     ------------------------------------------------------------------------ */
  --vot-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --vot-font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  /* Dedicated long-form reading typeface — document/article/editor body content
     only. Navigation, buttons, dialogs, settings, metadata, and toolbars stay
     on --vot-font-sans. See vot-ui-engineering material3-expressive.md
     § Living Paper Reading Identity. */
  --vot-font-reading: 'Literata', 'Source Serif 4', Georgia, 'Times New Roman', serif;

  --vot-type-display-large: 700 2.25rem/2.75rem var(--vot-font-sans);
  --vot-type-headline-large: 700 1.875rem/2.375rem var(--vot-font-sans);
  --vot-type-headline-medium: 600 1.5rem/2rem var(--vot-font-sans);
  --vot-type-headline-small: 600 1.25rem/1.75rem var(--vot-font-sans);
  --vot-type-title-large: 600 1.125rem/1.5rem var(--vot-font-sans);
  --vot-type-title-medium: 600 1rem/1.5rem var(--vot-font-sans);
  --vot-type-title-small: 600 0.875rem/1.25rem var(--vot-font-sans);
  --vot-type-body-large: 400 1rem/1.5rem var(--vot-font-sans);
  --vot-type-body-medium: 400 0.875rem/1.35rem var(--vot-font-sans);
  --vot-type-body-small: 400 0.75rem/1.15rem var(--vot-font-sans);
  --vot-type-label-large: 600 0.875rem/1.25rem var(--vot-font-sans);
  --vot-type-label-medium: 600 0.75rem/1rem var(--vot-font-sans);
  --vot-type-label-small: 500 0.6875rem/0.875rem var(--vot-font-sans);
  --vot-type-code: 400 0.8125rem/1.35rem var(--vot-font-mono);

  /* Reading typescale — comfortable measure, generous line-height, for
     document/article/editor body content and its heading rendered inline. */
  --vot-type-document-body: 400 1.0625rem/1.7 var(--vot-font-reading);
  --vot-type-document-heading: 700 1.75rem/1.3 var(--vot-font-reading);

  /* ------------------------------------------------------------------------
     Spacing Scale
     ------------------------------------------------------------------------ */
  --vot-spacing-xs: 4px;
  --vot-spacing-sm: 8px;
  --vot-spacing-md: 16px;
  --vot-spacing-lg: 24px;
  --vot-spacing-xl: 32px;
  --vot-spacing-2xl: 48px;

  /* ------------------------------------------------------------------------
     Shape / Corner Radius Scale
     ------------------------------------------------------------------------ */
  --vot-radius-none: 0px;
  --vot-radius-xs: 4px;
  --vot-radius-sm: 8px;
  --vot-radius-md: 12px;
  --vot-radius-lg: 16px;
  --vot-radius-xl: 24px;
  --vot-radius-dialog: 28px;
  --vot-radius-full: 9999px;

  /* Expressive Asymmetric Shape Scale */
  --vot-shape-expressive-hero: 32px 20px 32px 24px;
  --vot-shape-expressive-forward: 28px 16px 28px 16px;
  --vot-shape-expressive-reverse: 16px 28px 16px 28px;
  --vot-shape-expressive-stacked: 28px 28px 16px 28px;

  /* ------------------------------------------------------------------------
     Motion & Durations
     ------------------------------------------------------------------------ */
  --vot-motion-fast: 150ms;
  --vot-motion-normal: 250ms;
  --vot-motion-slow: 350ms;
  --vot-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --vot-easing-emphasized: cubic-bezier(0.2, 0, 0, 1.2);

  /* ------------------------------------------------------------------------
     Elevation (Dark default / Ambient & Key Shadows)
     ------------------------------------------------------------------------ */
  --vot-elevation-0: none;
  --vot-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.25), 0px 1px 2px 0px rgba(0, 0, 0, 0.35);
  --vot-elevation-2: 0px 2px 6px 2px rgba(0, 0, 0, 0.25), 0px 1px 2px 0px rgba(0, 0, 0, 0.35);
  --vot-elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.25), 0px 1px 3px 0px rgba(0, 0, 0, 0.35);
  --vot-elevation-4: 0px 6px 10px 4px rgba(0, 0, 0, 0.3), 0px 2px 3px 0px rgba(0, 0, 0, 0.4);

  /* ------------------------------------------------------------------------
     Living Paper Palette
     Ouroboros-inspired hierarchy + Flexoki paper/ink + M3 Expressive physics.
     VOTHub and Votex share these content-first surfaces and the same strong
     blue primary. Referenced by brand blocks below via var() — do not copy
     these hex values into app/component CSS. See vot-ui-engineering
     material3-expressive.md § Living Paper Reading Identity.
     ------------------------------------------------------------------------ */
  --vot-paper-surface-light: #fffcf0;
  --vot-paper-surface-container-light: #f2f0e5;
  --vot-paper-surface-container-high-light: #e6e4d9;
  --vot-paper-text-light: #282726;
  --vot-paper-muted-light: #575653;
  --vot-paper-outline-light: #b7b5ac;
  --vot-paper-outline-variant-light: #dad8cf;
  --vot-paper-outline-subtle-light: #eae8df;
  --vot-paper-ink-light: #205ea6;
  --vot-paper-ink-hover-light: #1a4f8c;
  --vot-paper-ink-container-light: #e1eceb;
  --vot-paper-on-ink-light: #ffffff;
  --vot-paper-on-ink-container-light: #163b66;
  --vot-paper-shadow-light: rgba(40, 39, 38, 0.14);

  --vot-paper-surface-dark: #1c1b1a;
  --vot-paper-surface-container-dark: #282726;
  --vot-paper-surface-container-high-dark: #343331;
  --vot-paper-text-dark: #e6e4d9;
  --vot-paper-muted-dark: #b7b5ac;
  --vot-paper-outline-dark: #575653;
  --vot-paper-outline-variant-dark: #3a3937;
  --vot-paper-outline-subtle-dark: #2a2928;
  --vot-paper-ink-dark: #4385be;
  --vot-paper-ink-hover-dark: #66a0c8;
  --vot-paper-ink-container-dark: #163b66;
  --vot-paper-on-ink-dark: #100f0f;
  --vot-paper-on-ink-container-dark: #c6dde8;
  --vot-paper-shadow-dark: rgba(0, 0, 0, 0.4);

  /* ------------------------------------------------------------------------
     Semantic Status & Feedback (Dark default)
     ------------------------------------------------------------------------ */
  --vot-success: #4ade80;
  --vot-success-container: #052e16;
  --vot-on-success: #ffffff;
  --vot-on-success-container: #bbf7d0;

  --vot-warning: #facc15;
  --vot-warning-container: #422006;
  --vot-on-warning: #000000;
  --vot-on-warning-container: #fef08a;

  --vot-info: #60a5fa;
  --vot-info-container: #172554;
  --vot-on-info: #ffffff;
  --vot-on-info-container: #bfdbfe;

  --vot-error: #f87171;
  --vot-error-container: #450a0a;
  --vot-on-error: #ffffff;
  --vot-on-error-container: #fecaca;

  /* Supporting native actions/feedback; existing web M3 aliases stay unchanged.
     Reviewed authoring overrides: cmp/palette/README.md. */
  --vot-secondary: #82c8b5;
  --vot-on-secondary: #082f28;
  --vot-secondary-container: #1d4b41;
  --vot-on-secondary-container: #c0eddf;
  --vot-tertiary: var(--vot-accent);
  --vot-on-tertiary: var(--vot-on-accent);
  --vot-tertiary-container: var(--vot-accent-container);
  --vot-on-tertiary-container: var(--vot-on-accent-container);
  --vot-on-accent: #250c3a;
  --vot-accent: #c084fc;
  --vot-accent-container: #3b1764;
  --vot-on-accent-container: #f3e8ff;
}

/* Light Theme Overrides for Scales & Semantic Status */
[data-theme="light"],
[data-vot-theme="light"] {
  --vot-elevation-1: 0px 1px 3px 0px rgba(0, 0, 0, 0.08), 0px 1px 2px 0px rgba(0, 0, 0, 0.04);
  --vot-elevation-2: 0px 2px 6px 0px rgba(0, 0, 0, 0.08), 0px 1px 2px 0px rgba(0, 0, 0, 0.04);
  --vot-elevation-3: 0px 4px 10px 0px rgba(0, 0, 0, 0.1), 0px 1px 3px 0px rgba(0, 0, 0, 0.05);

  --vot-success-container: #dcfce7;
  --vot-on-success-container: #14532d;
  --vot-warning-container: #fef9c3;
  --vot-on-warning-container: #713f12;
  --vot-info-container: #dbeafe;
  --vot-on-info-container: #1e3a8a;
  --vot-error: #b91c1c;
  --vot-error-container: #fee2e2;
  --vot-on-error-container: #7f1d1d;
  --vot-secondary: #2f6f64;
  --vot-on-secondary: #ffffff;
  --vot-secondary-container: #dceee7;
  --vot-on-secondary-container: #164c43;
  --vot-on-accent: #ffffff;
  --vot-accent: #7e22ce;
  --vot-accent-container: #f3e8ff;
  --vot-on-accent-container: #581c87;
}

/* --------------------------------------------------------------------------
   Material-compatible aliases for consumers that use the M3 vocabulary.
   The values live here; application styles only consume these aliases.
   -------------------------------------------------------------------------- */
:root {
  --md-sys-font-sans: var(--vot-font-sans);
  --md-sys-font-mono: var(--vot-font-mono);
  --md-sys-font-reading: var(--vot-font-reading);
  --md-sys-typescale-display-large: var(--vot-type-display-large);
  --md-sys-typescale-headline-large: var(--vot-type-headline-large);
  --md-sys-typescale-headline-medium: var(--vot-type-headline-medium);
  --md-sys-typescale-headline-small: var(--vot-type-headline-small);
  --md-sys-typescale-title-large: var(--vot-type-title-large);
  --md-sys-typescale-title-medium: var(--vot-type-title-medium);
  --md-sys-typescale-title-small: var(--vot-type-title-small);
  --md-sys-typescale-body-large: var(--vot-type-body-large);
  --md-sys-typescale-body-medium: var(--vot-type-body-medium);
  --md-sys-typescale-body-small: var(--vot-type-body-small);
  --md-sys-typescale-label-large: var(--vot-type-label-large);
  --md-sys-typescale-label-medium: var(--vot-type-label-medium);
  --md-sys-typescale-label-small: var(--vot-type-label-small);
  --md-sys-typescale-code: var(--vot-type-code);
  --md-sys-typescale-document-body: var(--vot-type-document-body);
  --md-sys-typescale-document-heading: var(--vot-type-document-heading);

  --md-sys-shape-corner-none: var(--vot-radius-none);
  --md-sys-shape-corner-extra-small: var(--vot-radius-xs);
  --md-sys-shape-corner-small: var(--vot-radius-sm);
  --md-sys-shape-corner-medium: var(--vot-radius-md);
  --md-sys-shape-corner-large: var(--vot-radius-lg);
  --md-sys-shape-corner-extra-large: var(--vot-radius-xl);
  --md-sys-shape-corner-full: var(--vot-radius-full);
  --md-sys-shape-expressive-hero: var(--vot-shape-expressive-hero);
  --md-sys-shape-expressive-forward: var(--vot-shape-expressive-forward);
  --md-sys-shape-expressive-reverse: var(--vot-shape-expressive-reverse);
  --md-sys-shape-expressive-stacked: var(--vot-shape-expressive-stacked);

  --md-sys-motion-duration-short: var(--vot-motion-fast);
  --md-sys-motion-duration-medium: var(--vot-motion-normal);
  --md-sys-motion-duration-long: var(--vot-motion-slow);
  --md-sys-motion-easing-standard: var(--vot-easing-standard);
  --md-sys-motion-easing-emphasized: var(--vot-easing-emphasized);

  --md-sys-elevation-0: var(--vot-elevation-0);
  --md-sys-elevation-1: var(--vot-elevation-1);
  --md-sys-elevation-2: var(--vot-elevation-2);
  --md-sys-elevation-3: var(--vot-elevation-3);
  --md-sys-elevation-4: var(--vot-elevation-4);

  --md-sys-color-primary: var(--vot-primary);
  --md-sys-color-on-primary: var(--vot-on-primary);
  --md-sys-color-primary-container: var(--vot-primary-container);
  --md-sys-color-on-primary-container: var(--vot-on-primary-container);
  --md-sys-color-primary-hover: var(--vot-primary-hover);
  --md-sys-color-secondary: var(--vot-muted);
  --md-sys-color-on-secondary: var(--vot-surface);
  --md-sys-color-secondary-container: var(--vot-surface-container-high);
  --md-sys-color-on-secondary-container: var(--vot-text);
  --md-sys-color-tertiary: var(--vot-primary);
  --md-sys-color-on-tertiary: var(--vot-on-primary);
  --md-sys-color-tertiary-container: var(--vot-primary-container);
  --md-sys-color-on-tertiary-container: var(--vot-on-primary);
  --md-sys-color-background: var(--vot-surface);
  --md-sys-color-on-background: var(--vot-text);
  --md-sys-color-surface: var(--vot-surface);
  --md-sys-color-surface-dim: var(--vot-surface);
  --md-sys-color-surface-bright: var(--vot-surface-container-high);
  --md-sys-color-surface-container-lowest: var(--vot-surface);
  --md-sys-color-surface-container-low: var(--vot-surface-container);
  --md-sys-color-surface-container: var(--vot-surface-container);
  --md-sys-color-surface-container-high: var(--vot-surface-container-high);
  --md-sys-color-surface-container-highest: var(--vot-surface-container-high);
  --md-sys-color-on-surface: var(--vot-text);
  --md-sys-color-on-surface-variant: var(--vot-muted);
  --md-sys-color-on-surface-subtle: var(--vot-muted);
  --md-sys-color-outline: var(--vot-outline);
  --md-sys-color-outline-variant: var(--vot-outline);
  --md-sys-color-outline-subtle: var(--vot-outline);
  --md-sys-color-error: var(--vot-error);
  --md-sys-color-error-container: var(--vot-error-container);
  --md-sys-color-on-error: var(--vot-on-error);
  --md-sys-color-on-error-container: var(--vot-on-error-container);
  --md-sys-color-success: var(--vot-success);
  --md-sys-color-success-container: var(--vot-success-container);
  --md-sys-color-on-success-container: var(--vot-on-success-container);
  --md-sys-color-warning: var(--vot-warning);
  --md-sys-color-warning-container: var(--vot-warning-container);
  --md-sys-color-on-warning-container: var(--vot-on-warning-container);
  --md-sys-color-info: var(--vot-info);
  --md-sys-color-info-container: var(--vot-info-container);
  --md-sys-color-on-info-container: var(--vot-on-info-container);
  --md-sys-color-accent: var(--vot-accent);
  --md-sys-color-accent-container: var(--vot-accent-container);
  --md-sys-color-on-accent-container: var(--vot-on-accent-container);
}

/* Default / Neutral Fallback Brand */
:root,
[data-vot-brand="default"],
[data-app="default"] {
  --vot-surface: #fffaff;
  --vot-surface-container: #f5eff8;
  --vot-surface-container-high: #ece5f0;
  --vot-outline: #d3c8d8;
  --vot-text: #29243a;
  --vot-muted: #706879;
  --vot-primary: #715797;
  --vot-primary-hover: #5e4388;
  --vot-primary-container: #eadfff;
  --vot-on-primary: #ffffff;
  --vot-on-primary-container: #4a2d70;
  --vot-browser-theme-color: var(--vot-primary);
  --vot-shadow: rgba(57, 42, 69, 0.16);
}

/* --------------------------------------------------------------------------
   Votex (Living Paper reading identity — shares its core surfaces and
   primary with VOT Hub; the purple --vot-accent token remains available for
   rare identity marks and revision states)
   -------------------------------------------------------------------------- */
[data-vot-brand="votex"],
[data-app="votex"] {
  --vot-surface: var(--vot-paper-surface-light);
  --vot-surface-container: var(--vot-paper-surface-container-light);
  --vot-surface-container-high: var(--vot-paper-surface-container-high-light);
  --vot-outline: var(--vot-paper-outline-light);
  --vot-outline-variant: var(--vot-paper-outline-variant-light);
  --vot-outline-subtle: var(--vot-paper-outline-subtle-light);
  --vot-text: var(--vot-paper-text-light);
  --vot-muted: var(--vot-paper-muted-light);
  --vot-primary: var(--vot-paper-ink-light);
  --vot-primary-hover: var(--vot-paper-ink-hover-light);
  --vot-primary-container: var(--vot-paper-ink-container-light);
  --vot-on-primary: var(--vot-paper-on-ink-light);
  --vot-on-primary-container: var(--vot-paper-on-ink-container-light);
  --vot-browser-theme-color: var(--vot-primary);
  --vot-error: #a8384a;
  --vot-error-container: #ffe4e9;
  --vot-shadow: var(--vot-paper-shadow-light);
}

[data-vot-brand="votex"][data-theme="dark"],
[data-app="votex"][data-theme="dark"],
[data-vot-brand="votex"][data-vot-theme="dark"],
[data-app="votex"][data-vot-theme="dark"] {
  --vot-surface: var(--vot-paper-surface-dark);
  --vot-surface-container: var(--vot-paper-surface-container-dark);
  --vot-surface-container-high: var(--vot-paper-surface-container-high-dark);
  --vot-outline: var(--vot-paper-outline-dark);
  --vot-outline-variant: var(--vot-paper-outline-variant-dark);
  --vot-outline-subtle: var(--vot-paper-outline-subtle-dark);
  --vot-text: var(--vot-paper-text-dark);
  --vot-muted: var(--vot-paper-muted-dark);
  --vot-primary: var(--vot-paper-ink-dark);
  --vot-primary-hover: var(--vot-paper-ink-hover-dark);
  --vot-primary-container: var(--vot-paper-ink-container-dark);
  --vot-on-primary: var(--vot-paper-on-ink-dark);
  --vot-on-primary-container: var(--vot-paper-on-ink-container-dark);
  --vot-browser-theme-color: var(--vot-surface);
  --vot-error: #ff9aa8;
  --vot-error-container: #4a2530;
  --vot-shadow: var(--vot-paper-shadow-dark);
}

/* --------------------------------------------------------------------------
   VOT Console (Purple Brand)
   -------------------------------------------------------------------------- */
[data-vot-brand="vot-console"],
[data-app="vot-console"] {
  --vot-surface: #fffaff;
  --vot-surface-container: #f5eff8;
  --vot-surface-container-high: #ece5f0;
  --vot-outline: #d3c8d8;
  --vot-text: #29243a;
  --vot-muted: #706879;
  --vot-primary: #715797;
  --vot-primary-hover: #5e4388;
  --vot-primary-container: #eadfff;
  --vot-on-primary: #ffffff;
  --vot-on-primary-container: #4a2d70;
  --vot-browser-theme-color: var(--vot-primary);
  --vot-error: #a33d4b;
  --vot-error-container: #ffdadf;
  --vot-shadow: rgba(57, 42, 69, 0.16);
}

[data-vot-brand="vot-console"][data-theme="dark"],
[data-app="vot-console"][data-theme="dark"],
[data-vot-brand="vot-console"][data-vot-theme="dark"],
[data-app="vot-console"][data-vot-theme="dark"] {
  --vot-surface: #18141e;
  --vot-surface-container: #211b29;
  --vot-surface-container-high: #2c2434;
  --vot-outline: #504557;
  --vot-text: #f3edf7;
  --vot-muted: #b9afc0;
  --vot-primary: #bda3e9;
  --vot-primary-hover: #d4c0f5;
  --vot-primary-container: #3c2f4f;
  --vot-on-primary: #251638;
  --vot-on-primary-container: #f3e8ff;
  --vot-browser-theme-color: var(--vot-surface);
  --vot-error: #ff9aa8;
  --vot-error-container: #4a2530;
  --vot-shadow: rgba(0, 0, 0, 0.32);
}

/* --------------------------------------------------------------------------
   VOT Hub (Living Paper reading identity — shares its core surfaces and
   primary with Votex; document/editor surfaces are the primary reason this
   foundation exists. Default for Hub is Dark (M3 Expressive))
   -------------------------------------------------------------------------- */
[data-vot-brand="vot-hub"],
[data-app="vot-hub"],
[data-vot-brand="vot-hub"]:not([data-theme="light"]):not([data-vot-theme="light"]),
[data-app="vot-hub"]:not([data-theme="light"]):not([data-vot-theme="light"]) {
  --vot-surface: var(--vot-paper-surface-dark);
  --vot-surface-container: var(--vot-paper-surface-container-dark);
  --vot-surface-container-high: var(--vot-paper-surface-container-high-dark);
  --vot-outline: var(--vot-paper-outline-dark);
  --vot-text: var(--vot-paper-text-dark);
  --vot-muted: var(--vot-paper-muted-dark);
  --vot-primary: var(--vot-paper-ink-dark);
  --vot-primary-hover: var(--vot-paper-ink-hover-dark);
  --vot-primary-container: var(--vot-paper-ink-container-dark);
  --vot-on-primary: var(--vot-paper-on-ink-dark);
  --vot-on-primary-container: var(--vot-paper-on-ink-container-dark);
  --vot-browser-theme-color: var(--vot-surface);
  --vot-error: #f87171;
  --vot-error-container: #450a0a;
  --vot-shadow: var(--vot-paper-shadow-dark);
}

[data-vot-brand="vot-hub"][data-theme="dark"],
[data-app="vot-hub"][data-theme="dark"],
[data-vot-brand="vot-hub"][data-vot-theme="dark"],
[data-app="vot-hub"][data-vot-theme="dark"] {
  --vot-surface: var(--vot-paper-surface-dark);
  --vot-surface-container: var(--vot-paper-surface-container-dark);
  --vot-surface-container-high: var(--vot-paper-surface-container-high-dark);
  --vot-outline: var(--vot-paper-outline-dark);
  --vot-text: var(--vot-paper-text-dark);
  --vot-muted: var(--vot-paper-muted-dark);
  --vot-primary: var(--vot-paper-ink-dark);
  --vot-primary-hover: var(--vot-paper-ink-hover-dark);
  --vot-primary-container: var(--vot-paper-ink-container-dark);
  --vot-on-primary: var(--vot-paper-on-ink-dark);
  --vot-on-primary-container: var(--vot-paper-on-ink-container-dark);
  --vot-browser-theme-color: var(--vot-surface);
  --vot-error: #f87171;
  --vot-error-container: #450a0a;
  --vot-shadow: var(--vot-paper-shadow-dark);
}

[data-vot-brand="vot-hub"][data-theme="light"],
[data-app="vot-hub"][data-theme="light"],
[data-vot-brand="vot-hub"][data-vot-theme="light"],
[data-app="vot-hub"][data-vot-theme="light"] {
  --vot-surface: var(--vot-paper-surface-light);
  --vot-surface-container: var(--vot-paper-surface-container-light);
  --vot-surface-container-high: var(--vot-paper-surface-container-high-light);
  --vot-outline: var(--vot-paper-outline-light);
  --vot-text: var(--vot-paper-text-light);
  --vot-muted: var(--vot-paper-muted-light);
  --vot-primary: var(--vot-paper-ink-light);
  --vot-primary-hover: var(--vot-paper-ink-hover-light);
  --vot-primary-container: var(--vot-paper-ink-container-light);
  --vot-on-primary: var(--vot-paper-on-ink-light);
  --vot-on-primary-container: var(--vot-paper-on-ink-container-light);
  --vot-browser-theme-color: var(--vot-primary);
  --vot-error: #b91c1c;
  --vot-error-container: #fee2e2;
  --vot-shadow: var(--vot-paper-shadow-light);
}