/* ============================================================
   ATOM Intelligence Yield — Design tokens
   Mirrors tokens.json exactly. NO GRID BACKGROUND.
   One accent per surface: tealPrimary #00f0df.
   ============================================================ */

:root {
  /* --- brand color primitives (tokens.json/color) --- */
  --teal-primary: #00f0df;
  --teal-strong: #00c9bb;
  --teal-deep: #00766e;
  --iris: #c084fc;
  --coral: #ff7b6b;
  --gold: #f5c842;
  --azure: #74c0fc;
  --success: #3fd18b;
  --warning: #f5b23a;
  --error: #f0596b;
  --info: #4cb7f0;

  --ink-0: #050607;
  --ink-1: #0a0c0e;
  --ink-2: #0f1214;
  --ink-3: #151a1d;
  --ink-4: #1c2226;
  --ink-5: #252d32;
  --ink-6: #323b41;

  --paper-0: #ffffff;
  --paper-1: #fbfcfc;
  --paper-2: #f4f6f6;
  --paper-3: #eceff0;
  --paper-4: #e1e6e7;
  --paper-5: #cfd6d8;
  --paper-6: #b4bdc0;

  /* --- 4px spacing scale (tokens.json/space) --- */
  --space-0: 0;
  --space-px: 1px;
  --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;
  --space-32: 128px;

  /* --- radii (tokens.json/radius) --- */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-pill: 999px;

  /* --- type (tokens.json/font) --- */
  --font-display: 'Cabinet Grotesk', 'Satoshi', system-ui, sans-serif;
  --font-body: 'Satoshi', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-bold: 700;
  --fw-black: 900;

  /* --- motion (tokens.json/motion) --- */
  --dur: 180ms;
  --dur-2: 360ms;
  --dur-3: 540ms;
  --ease-atom: cubic-bezier(0.16, 1, 0.3, 1);

  /* --- type scale --- */
  --fs-2xs: 10px;
  --fs-xs: clamp(11px, 10.4px + 0.15vw, 12.5px);
  --fs-sm: clamp(13px, 12.4px + 0.2vw, 14px);
  --fs-base: clamp(15px, 14.4px + 0.2vw, 16px);
  --fs-md: clamp(16px, 15.2px + 0.3vw, 18px);
  --fs-lg: clamp(19px, 17.4px + 0.6vw, 23px);
  --fs-xl: clamp(24px, 20.6px + 1.3vw, 34px);
  --fs-2xl: clamp(32px, 25px + 2.6vw, 52px);
  --fs-num: clamp(40px, 30px + 3.4vw, 68px);

  /* --- factor encoding (data colors only) --- */
  --f-accuracy: var(--success);
  --f-speed: var(--azure);
  --f-privacy: var(--iris);
  --f-cost: var(--gold);
  --f-energy: var(--teal-primary);
  --conv-1: var(--teal-primary);
  --conv-2: var(--teal-strong);
  --conv-3: #00877f;
}

/* ---------- dark (default art direction) ---------- */
:root,
[data-theme='dark'] {
  color-scheme: dark;
  --bg: var(--ink-0);
  --bg-deep: #030405;
  --surface: var(--ink-1);
  --surface-2: var(--ink-2);
  --surface-3: var(--ink-3);
  --surface-4: var(--ink-4);
  --line: color-mix(in srgb, var(--ink-6) 72%, transparent);
  --line-soft: color-mix(in srgb, var(--ink-6) 42%, transparent);
  --line-accent: color-mix(in srgb, var(--teal-primary) 34%, transparent);
  --text-primary: #f1f5f5;
  --text-secondary: #a3afb2;
  --text-faint: #7c898c;
  --accent: var(--teal-primary);
  --accent-ink: var(--ink-0);
  --accent-quiet: color-mix(in srgb, var(--teal-primary) 14%, transparent);
  --track: var(--ink-5);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.6);
  --halo: 0 0 34px color-mix(in srgb, var(--teal-primary) 20%, transparent);
  --wash-1: color-mix(in srgb, var(--teal-primary) 11%, transparent);
  --wash-2: color-mix(in srgb, var(--teal-deep) 16%, transparent);
}

/* ---------- light (paper scale) ---------- */
[data-theme='light'] {
  color-scheme: light;
  --bg: var(--paper-2);
  --bg-deep: var(--paper-3);
  --surface: var(--paper-0);
  --surface-2: var(--paper-1);
  --surface-3: var(--paper-2);
  --surface-4: var(--paper-3);
  --line: var(--paper-5);
  --line-soft: var(--paper-4);
  --line-accent: color-mix(in srgb, var(--teal-deep) 38%, transparent);
  --text-primary: #0b1113;
  --text-secondary: #3f4c50;
  --text-faint: #5a686c;
  --accent: var(--teal-deep);
  --accent-ink: var(--paper-0);
  --accent-quiet: color-mix(in srgb, var(--teal-deep) 10%, transparent);
  --track: var(--paper-4);
  --shadow-sm: 0 1px 2px rgba(10, 20, 22, 0.08);
  --shadow-md: 0 10px 28px rgba(10, 20, 22, 0.09);
  --shadow-lg: 0 28px 70px rgba(10, 20, 22, 0.12);
  --halo: 0 0 0 1px color-mix(in srgb, var(--teal-deep) 18%, transparent);
  --wash-1: color-mix(in srgb, var(--teal-deep) 7%, transparent);
  --wash-2: color-mix(in srgb, var(--azure) 8%, transparent);
  /* factor hues darkened for AA on paper */
  --f-accuracy: #1f8d57;
  --f-speed: #1f6fb0;
  --f-privacy: #7b3fc4;
  --f-cost: #8a6407;
  --f-energy: var(--teal-deep);
  --conv-1: #00998f;
  --conv-2: var(--teal-deep);
  --conv-3: #0b4f4a;
}