/* ============================================================================
   PlayPad — Material Design 3 design tokens
   ----------------------------------------------------------------------------
   The single source of visual truth. Build every surface from these custom
   properties — never hardcode raw hex/px in components.

   Seeded from the original Colour Rush prototype so the hub and the games feel
   like one product (brand pink #FF375F → MD3 primary; near-black #08080c →
   surface). Dark is the default (:root); light overrides the SAME role names
   under prefers-color-scheme: light, so components never branch on theme.

   Reference distilled in our own words from Material Design 3
   (https://m3.material.io). No copied text or brand assets.
   ========================================================================== */

:root {
  /* ---- Color roles · DARK (default) -------------------------------------- */

  /* Primary — the brand pink, lightened to clear AA on dark surfaces */
  --md-sys-color-primary: #ff6b85;
  --md-sys-color-on-primary: #5a0017;
  --md-sys-color-primary-container: #7d1530;
  --md-sys-color-on-primary-container: #ffd9df;

  /* Secondary — muted, supportive */
  --md-sys-color-secondary: #e5bdc4;
  --md-sys-color-on-secondary: #44262c;
  --md-sys-color-secondary-container: #5d3a40;
  --md-sys-color-on-secondary-container: #ffd9df;

  /* Tertiary — warm gold accent drawn from the brand gradient */
  --md-sys-color-tertiary: #f4c26b;
  --md-sys-color-on-tertiary: #3e2e00;
  --md-sys-color-tertiary-container: #5a4300;
  --md-sys-color-on-tertiary-container: #ffe08a;

  /* Error */
  --md-sys-color-error: #ffb4ab;
  --md-sys-color-on-error: #690005;
  --md-sys-color-error-container: #93000a;
  --md-sys-color-on-error-container: #ffdad6;

  /* Surfaces — stepped tonal containers (seeded from the prototype) */
  --md-sys-color-surface: #08080c;
  --md-sys-color-surface-dim: #08080c;
  --md-sys-color-surface-bright: #2e2e38;
  --md-sys-color-surface-container-lowest: #040407;
  --md-sys-color-surface-container-low: #111118;
  --md-sys-color-surface-container: #15151c;
  --md-sys-color-surface-container-high: #1d1d27;
  --md-sys-color-surface-container-highest: #292935;

  /* Content on surfaces */
  --md-sys-color-on-surface: #f4f4f7;
  --md-sys-color-on-surface-variant: #c5c5d0;

  /* Outlines */
  --md-sys-color-outline: #908f99;
  --md-sys-color-outline-variant: #44444e;

  /* Inverse (for snackbars etc.) */
  --md-sys-color-inverse-surface: #e5e1e9;
  --md-sys-color-inverse-on-surface: #1c1b1f;
  --md-sys-color-inverse-primary: #b5103a;

  /* Fixed */
  --md-sys-color-scrim: #000000;
  --md-sys-color-shadow: #000000;

  /* ---- Brand palette (the six-stop gradient + full game palette) --------- */
  --brand-gradient: linear-gradient(
    92deg, #ff375f, #ff9f0a 30%, #ffd60a 48%,
    #30d158 66%, #0a84ff 84%, #bf5af2
  );
  --brand-red: #ff453a;
  --brand-blue: #0a84ff;
  --brand-green: #30d158;
  --brand-yellow: #ffd60a;
  --brand-orange: #ff9f0a;
  --brand-purple: #bf5af2;
  --brand-pink: #ff375f;
  --brand-cyan: #64d2ff;

  /* ---- Typescale (Roboto-ish system stack; size / line / weight) --------- */
  --md-sys-typeface-plain:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    Roboto, Helvetica, Arial, system-ui, sans-serif;

  --md-sys-typescale-display-large-size: clamp(40px, 8vw, 57px);
  --md-sys-typescale-display-large-line: 1.12;
  --md-sys-typescale-display-large-weight: 800;

  --md-sys-typescale-display-medium-size: clamp(34px, 6vw, 45px);
  --md-sys-typescale-display-medium-line: 1.16;
  --md-sys-typescale-display-medium-weight: 800;

  --md-sys-typescale-display-small-size: clamp(28px, 5vw, 36px);
  --md-sys-typescale-display-small-line: 1.22;
  --md-sys-typescale-display-small-weight: 700;

  --md-sys-typescale-headline-large-size: clamp(26px, 4.5vw, 32px);
  --md-sys-typescale-headline-large-line: 1.25;
  --md-sys-typescale-headline-large-weight: 700;

  --md-sys-typescale-headline-medium-size: 28px;
  --md-sys-typescale-headline-medium-line: 1.29;
  --md-sys-typescale-headline-medium-weight: 700;

  --md-sys-typescale-headline-small-size: 24px;
  --md-sys-typescale-headline-small-line: 1.33;
  --md-sys-typescale-headline-small-weight: 600;

  --md-sys-typescale-title-large-size: 22px;
  --md-sys-typescale-title-large-line: 1.27;
  --md-sys-typescale-title-large-weight: 700;

  --md-sys-typescale-title-medium-size: 16px;
  --md-sys-typescale-title-medium-line: 1.5;
  --md-sys-typescale-title-medium-weight: 600;

  --md-sys-typescale-title-small-size: 14px;
  --md-sys-typescale-title-small-line: 1.43;
  --md-sys-typescale-title-small-weight: 600;

  --md-sys-typescale-body-large-size: 16px;
  --md-sys-typescale-body-large-line: 1.5;
  --md-sys-typescale-body-large-weight: 400;

  --md-sys-typescale-body-medium-size: 14px;
  --md-sys-typescale-body-medium-line: 1.5;
  --md-sys-typescale-body-medium-weight: 400;

  --md-sys-typescale-body-small-size: 12px;
  --md-sys-typescale-body-small-line: 1.5;
  --md-sys-typescale-body-small-weight: 400;

  --md-sys-typescale-label-large-size: 14px;
  --md-sys-typescale-label-large-line: 1.43;
  --md-sys-typescale-label-large-weight: 600;
  --md-sys-typescale-label-large-tracking: 0.01em;

  --md-sys-typescale-label-medium-size: 12px;
  --md-sys-typescale-label-medium-line: 1.33;
  --md-sys-typescale-label-medium-weight: 600;
  --md-sys-typescale-label-medium-tracking: 0.04em;

  --md-sys-typescale-label-small-size: 11px;
  --md-sys-typescale-label-small-line: 1.45;
  --md-sys-typescale-label-small-weight: 600;
  --md-sys-typescale-label-small-tracking: 0.05em;

  /* ---- Shape (corner radii) --------------------------------------------- */
  --md-sys-shape-corner-none: 0;
  --md-sys-shape-corner-xs: 4px;
  --md-sys-shape-corner-sm: 8px;
  --md-sys-shape-corner-md: 12px;
  --md-sys-shape-corner-lg: 16px;
  --md-sys-shape-corner-xl: 28px;
  --md-sys-shape-corner-full: 999px;

  /* ---- Spacing (4dp grid) ------------------------------------------------ */
  --md-sys-spacing-xs: 4px;
  --md-sys-spacing-sm: 8px;
  --md-sys-spacing-md: 16px;
  --md-sys-spacing-lg: 24px;
  --md-sys-spacing-xl: 32px;
  --md-sys-spacing-2xl: 48px;

  /* ---- Elevation (shadow recipes, levels 0–5) --------------------------- */
  --md-sys-elevation-level0: none;
  --md-sys-elevation-level1:
    0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px 1px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level2:
    0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px 2px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level3:
    0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 8px 3px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level4:
    0 2px 3px rgba(0, 0, 0, 0.3), 0 6px 10px 4px rgba(0, 0, 0, 0.15);
  --md-sys-elevation-level5:
    0 4px 4px rgba(0, 0, 0, 0.3), 0 8px 12px 6px rgba(0, 0, 0, 0.15);

  /* ---- Motion ------------------------------------------------------------ */
  --md-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-sys-motion-easing-standard-decelerate: cubic-bezier(0, 0, 0, 1);
  --md-sys-motion-easing-standard-accelerate: cubic-bezier(0.3, 0, 1, 1);
  --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0.9, 0.25, 1);
  --md-sys-motion-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
  --md-sys-motion-easing-emphasized-accelerate: cubic-bezier(0.3, 0, 0.8, 0.15);

  --md-sys-motion-duration-short1: 50ms;
  --md-sys-motion-duration-short2: 100ms;
  --md-sys-motion-duration-short3: 150ms;
  --md-sys-motion-duration-short4: 200ms;
  --md-sys-motion-duration-medium1: 250ms;
  --md-sys-motion-duration-medium2: 300ms;
  --md-sys-motion-duration-long1: 450ms;
  --md-sys-motion-duration-long2: 500ms;

  /* ---- State-layer opacities -------------------------------------------- */
  --md-sys-state-hover-opacity: 0.08;
  --md-sys-state-focus-opacity: 0.10;
  --md-sys-state-pressed-opacity: 0.10;
  --md-sys-state-dragged-opacity: 0.16;

  color-scheme: dark;
}

/* ---- Color roles · LIGHT (system override) ------------------------------ */
@media (prefers-color-scheme: light) {
  :root {
    --md-sys-color-primary: #b5103a;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #ffd9df;
    --md-sys-color-on-primary-container: #3e0014;

    --md-sys-color-secondary: #74565b;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #ffd9df;
    --md-sys-color-on-secondary-container: #2b151a;

    --md-sys-color-tertiary: #7a5900;
    --md-sys-color-on-tertiary: #ffffff;
    --md-sys-color-tertiary-container: #ffe08a;
    --md-sys-color-on-tertiary-container: #261a00;

    --md-sys-color-error: #ba1a1a;
    --md-sys-color-on-error: #ffffff;
    --md-sys-color-error-container: #ffdad6;
    --md-sys-color-on-error-container: #410002;

    --md-sys-color-surface: #fff8f7;
    --md-sys-color-surface-dim: #e7d6d8;
    --md-sys-color-surface-bright: #fff8f7;
    --md-sys-color-surface-container-lowest: #ffffff;
    --md-sys-color-surface-container-low: #fff0f1;
    --md-sys-color-surface-container: #fceaec;
    --md-sys-color-surface-container-high: #f6e4e6;
    --md-sys-color-surface-container-highest: #f0dee1;

    --md-sys-color-on-surface: #201a1b;
    --md-sys-color-on-surface-variant: #524345;

    --md-sys-color-outline: #847375;
    --md-sys-color-outline-variant: #d7c1c4;

    --md-sys-color-inverse-surface: #362f30;
    --md-sys-color-inverse-on-surface: #fbedee;
    --md-sys-color-inverse-primary: #ffb1c0;

    color-scheme: light;
  }
}
