/* ==========================================================================
   DESIGN.MD — EXACT LIGHT MONOCHROMATIC TOKENS
   Clinical blueprint on frosted paper • shadcn/ui achromatic system
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Tokens — Colors from DESIGN.md */
  --color-canvas: #f5f5f5;
  --color-paper: #ffffff;
  --color-surface-alt: #fafafa;
  --color-ink: #0a0a0a;
  --color-ink-soft: #171717;
  --color-mid-gray: #737373;
  --color-hairline: #e5e5e5;
  --color-ember: #e7000b;

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

  /* Type Scale */
  --text-caption: 12px;
  --leading-caption: 1.33;
  --tracking-caption: 0.6px;
  --text-body: 14px;
  --leading-body: 1.43;
  --text-body-lg: 16px;
  --leading-body-lg: 1.5;
  --text-subheading: 18px;
  --leading-subheading: 1.56;
  --text-heading-sm: 24px;
  --leading-heading-sm: 1.33;
  --tracking-heading-sm: -0.6px;
  --text-heading: 30px;
  --leading-heading: 1.2;
  --tracking-heading: -0.75px;
  --text-heading-lg: 36px;
  --leading-heading-lg: 1.11;
  --tracking-heading-lg: -0.9px;
  --text-display: 48px;
  --leading-display: 1.1;
  --tracking-display: -2.4px;

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

  /* Radii */
  --radius-small: 6px;
  --radius-nested: 10px;
  --radius-inputs: 18px;
  --radius-buttons: 18px;
  --radius-badges: 18px;
  --radius-cards: 24px;
  --radius-full: 9999px;

  /* Elevation Shadows from DESIGN.md */
  --shadow-subtle: 0 0 0 1px rgba(23, 23, 23, 0.05), 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-subtle-2: 0 0 0 1px var(--color-hairline);
  --shadow-popover: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--color-hairline);

  /* Layout */
  --page-max-width: 1280px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--color-canvas) !important;
  color: var(--color-ink) !important;
  font-family: var(--font-geist);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
}