/*
 * Design tokens — neutral, catalogue-first.
 * Dark values live on :root; [data-theme="light"] overrides colour tokens only.
 */

:root {
  color-scheme: dark;

  /* Surfaces */
  --bg: #0a0a0a;
  --bg-elev-1: #111111;
  --bg-elev-2: #171717;
  --bg-inset: #070707;
  --surface: #111111;
  --surface-hover: #1a1a1a;

  /* Type */
  --fg: #ededed;
  --fg-muted: #a1a1a1;
  --fg-subtle: #6b6b6b;
  --fg-inverse: #0a0a0a;

  /* Lines */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --ring: rgba(237, 237, 237, 0.55);

  /* Primary actions use the foreground colour; --signal is reserved for "playing" and progress. */
  --accent: #ededed;
  --accent-hover: #ffffff;
  --accent-fg: #0a0a0a;
  --accent-soft: rgba(255, 255, 255, 0.08);
  --signal: #ff6a3d;
  --signal-soft: rgba(255, 106, 61, 0.14);

  --success: #3ecf8e;
  --success-soft: rgba(62, 207, 142, 0.14);
  --warning: #f2b544;
  --warning-soft: rgba(242, 181, 68, 0.14);
  --danger: #ff5d5d;
  --danger-soft: rgba(255, 93, 93, 0.14);

  --overlay: rgba(0, 0, 0, 0.6);
  --skeleton-base: rgba(255, 255, 255, 0.05);
  --skeleton-shine: rgba(255, 255, 255, 0.08);
  --scrollbar-thumb: rgba(255, 255, 255, 0.14);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.26);
  --selection: rgba(255, 255, 255, 0.2);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 20px -6px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -12px rgba(0, 0, 0, 0.6);
  --shadow-cover: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px -12px rgba(0, 0, 0, 0.5);

  /* Vinyl */
  --vinyl-black: #0b0a09;
  --vinyl-groove: rgba(255, 255, 255, 0.028);
  --vinyl-sheen: rgba(255, 255, 255, 0.16);

  /* Typography */
  --font-sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-serif: var(--font-sans); /* No display serif: one sans family across the product. */
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --text-2xs: 11px;
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-md: 17px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: clamp(28px, 3vw, 36px);
  --text-display: clamp(32px, 4vw, 44px);

  --leading-tight: 1.05;
  --leading-snug: 1.25;
  --leading-normal: 1.55;
  --tracking-tight: -0.02em;
  --tracking-mono: 0.04em;

  /* Spacing (4px scale) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radii */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 999px;

  /* Motion (mirrors motion.js) */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --dur-fast: 160ms;
  --dur-base: 260ms;
  --dur-slow: 420ms;

  /* Layers */
  --z-base: 1;
  --z-sticky: 40;
  --z-header: 50;
  --z-dropdown: 60;
  --z-player: 70;
  --z-overlay: 80;
  --z-modal: 90;
  --z-toast: 100;

  /* Layout */
  --header-h: 56px;
  --player-h: 68px;
  --container: 1440px;
  --gutter: clamp(16px, 4vw, 48px);
  --control-h: 40px;
  --control-h-sm: 32px;
  --control-h-lg: 48px;

  --grain: none;
  --grain-opacity: 0;
}

[data-theme="light"] {
  color-scheme: light;

  --bg: #ffffff;
  --bg-elev-1: #fafafa;
  --bg-elev-2: #ffffff;
  --bg-inset: #f4f4f5;
  --surface: #fafafa;
  --surface-hover: #f4f4f5;

  --fg: #171717;
  --fg-muted: #525252;
  --fg-subtle: #a3a3a3;
  --fg-inverse: #ffffff;

  --border: #e5e5e5;
  --border-strong: #d4d4d4;
  --ring: rgba(23, 23, 23, 0.45);

  --accent: #171717;
  --accent-hover: #000000;
  --accent-fg: #ffffff;
  --accent-soft: rgba(0, 0, 0, 0.05);
  --signal: #e8501f;
  --signal-soft: rgba(232, 80, 31, 0.1);

  --success: #1f9d64;
  --success-soft: rgba(31, 157, 100, 0.12);
  --warning: #b97b0b;
  --warning-soft: rgba(185, 123, 11, 0.13);
  --danger: #d33a3a;
  --danger-soft: rgba(211, 58, 58, 0.1);

  --overlay: rgba(0, 0, 0, 0.32);
  --skeleton-base: rgba(0, 0, 0, 0.05);
  --skeleton-shine: rgba(255, 255, 255, 0.7);
  --scrollbar-thumb: rgba(0, 0, 0, 0.16);
  --scrollbar-thumb-hover: rgba(0, 0, 0, 0.3);
  --selection: rgba(0, 0, 0, 0.12);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 20px -6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 1px 2px rgba(0, 0, 0, 0.04), 0 16px 40px -12px rgba(0, 0, 0, 0.16);
  --shadow-cover: 0 1px 2px rgba(0, 0, 0, 0.08), 0 12px 32px -12px rgba(0, 0, 0, 0.2);

  --vinyl-black: #121212;
}