/* ─────────────────────────────────────────────────────────────────────────
 * design-systems/codex/tokens.css
 *
 * Radically minimal, genuinely monochrome interface. Accent deliberately
 * equals the ink color — this system never introduces a second hue.
 * ─────────────────────────────────────────────────────────────────── */

:root {
  /* Surface */
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-warm: #f3f4f6;

  /* Foreground */
  --fg: #0a0a0a;
  --fg-2: #262626;
  --muted: #6b7280;
  --meta: #9ca3af;

  /* Border */
  --border: #e5e7eb;
  --border-soft: #f0f1f3;

  /* Accent — deliberately the same as --fg; see DESIGN.md */
  --accent: #0a0a0a;
  --accent-on: #ffffff;
  --accent-hover: color-mix(in oklab, var(--accent), white 15%);
  --accent-active: color-mix(in oklab, var(--accent), white 25%);

  /* Semantic */
  --success: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;

  /* Typography — fonts */
  --font-display: "Open Sans", "Helvetica Neue", sans-serif;
  --font-body: "Open Sans", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Radius — fully rounded pills, moderate cards */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-pill: 9999px;

  /* Typography — type scale */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 24px;
  --text-2xl: 34px;
  --text-3xl: 48px;
  --text-4xl: 64px;

  /* Typography — leading & tracking */
  --leading-body: 1.5;
  --leading-tight: 1.1;
  --tracking-display: -0.01em;

  /* Section rhythm */
  --section-y-desktop: 96px;
  --section-y-tablet: 68px;
  --section-y-phone: 48px;

  /* Layout */
  --container-max: 1160px;
  --container-gutter-desktop: 24px;
  --container-gutter-tablet: 16px;
  --container-gutter-phone: 16px;
}