/*
 * preppermath.com / PrepperMath theme tokens.
 * OKLCH is the source of truth (LVL color.md). This is the ONE tokens file for
 * the site: the golden template and the tool UI consume these values unchanged.
 *
 * Theme: "field kit" - deep pine-green ink over warm field-paper, with a
 * burnt-amber lantern accent. Calm, practical, unhysterical: the register is
 * a well-organized pantry, not a bunker.
 */
:root {
  --color-bg: oklch(0.972 0.01 95);
  --color-text: oklch(0.27 0.032 140);
  --color-heading: oklch(0.22 0.038 145);
  --color-muted: oklch(0.43 0.032 135);
  --color-border: oklch(0.885 0.022 100);
  --color-border-strong: oklch(0.55 0.045 130);
  --color-link: oklch(0.42 0.09 145);
  --color-link-hover: oklch(0.33 0.09 148);
  --color-accent: oklch(0.56 0.12 65);
  --color-accent-hover: oklch(0.48 0.12 62);
  --color-on-accent: oklch(0.985 0.01 90);
  --color-error: oklch(0.5 0.15 27);
  --color-focus: oklch(0.5 0.12 230);

  /* Status colours for readiness verdicts */
  --color-ok: oklch(0.52 0.12 150);
  --color-warn: oklch(0.55 0.11 75);

  /* Typography */
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  --font-heading: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    "Times New Roman", serif;
  --font-size-base: 1.0625rem;
  --font-size-h1: 2.1rem;
  --font-size-h2: 1.45rem;

  /* Layout */
  --content-width: 46rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --radius: 0.65rem;

  /* --- Surface ladder (base.css SURFACE TOKEN CONTRACT, 2026-08-02) --- */
  --color-scheme: light;
  --color-surface: oklch(0.988 0.006 95);
  --color-surface-sunken: oklch(0.958 0.012 95);
  --color-field-bg: oklch(0.997 0.002 95);
  --color-callout-bg: oklch(0.962 0.014 100);
  --color-ok-bg: oklch(0.962 0.03 150);
  --color-warn-bg: oklch(0.962 0.034 75);
  --color-critical-bg: oklch(0.962 0.03 25);
  --color-shadow: oklch(0.32 0.014 120);
}