/* ==========================================================================
   DESIGN TOKENS — Hume AI Scientific Pastel Medical Palette
   ========================================================================== */

:root {
  /* Colors */
  --color-ink: #222222;
  --color-paper: #ffffff;
  --color-bone: #fff9f3;
  --color-smoke: #7a7876;
  --color-smoke-light: #ecebe9;
  --color-smoke-soft: #f4f3f0;
  --color-carbon: #000000;
  --color-iris: #c094e4;
  --color-iris-light: #f3ebf9;
  --gradient-iris: linear-gradient(135deg, #7c3aed 0%, #db2777 50%, #ea580c 100%);
  
  /* Pastel Surface Washes */
  --color-blush: #fce0ee;
  --color-rose-mist: #fdebf7;
  --color-meringue: #ffe9cf;
  --color-mint: #daf7ee;
  --color-seafoam: #cef1e1;
  --color-sky: #ccdff1;
  --color-slate-plum: #574853;

  /* Typography — Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;

  /* Typography — Scale */
  --text-caption: 11px;
  --leading-caption: 1.4;
  --tracking-caption: 0.04em;

  --text-sm: 13px;
  --leading-sm: 1.45;
  --tracking-sm: -0.015em;

  --text-body: 15px;
  --leading-body: 1.55;
  --tracking-body: -0.02em;

  --text-subheading: 18px;
  --leading-subheading: 1.4;
  --tracking-subheading: -0.025em;

  --text-heading-sm: 20px;
  --leading-heading-sm: 1.3;
  --tracking-heading-sm: -0.03em;

  --text-heading: 24px;
  --leading-heading: 1.25;
  --tracking-heading: -0.03em;

  --text-heading-lg: 32px;
  --leading-heading-lg: 1.2;
  --tracking-heading-lg: -0.035em;

  --text-heading-xl: 40px;
  --leading-heading-xl: 1.15;
  --tracking-heading-xl: -0.04em;

  --text-display: 48px;
  --leading-display: 1.1;
  --tracking-display: -0.045em;

  /* Typography — Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;

  /* Layout */
  --page-max-width: 1200px;
  --page-padding-x: 24px;
  --card-padding: 24px;
  --section-gap: 64px;

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 9999px;

  /* Borders & Dividers */
  --border-hairline: 1px solid rgba(34, 34, 34, 0.08);
  --border-subtle: 1px solid rgba(34, 34, 34, 0.12);
  --border-dark: 1px solid var(--color-ink);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}