/*
 * Asatsuyu design tokens — PLACEHOLDER SET (v0)
 *
 * These tokens are a provisional "morning dew" palette. They will be
 * replaced by the official extraction from the Claude Design session
 * (open item: requires /design-login in an interactive session).
 * Components and layouts must consume ONLY these variables — never
 * hard-coded colors, sizes, or shadows.
 *
 * This file is the single source of truth. site/public/design-system/tokens.css
 * is a verbatim copy synced from here.
 */

:root {
  /* Color — light (default) */
  --color-bg: #f7fafb;
  --color-bg-raised: #ffffff;
  --color-bg-inset: #eef4f5;
  --color-text: #1d2b30;
  --color-text-muted: #55696f;
  --color-text-faint: #7f9298;
  --color-accent: #2e7d74;
  --color-accent-strong: #1f5f58;
  --color-accent-soft: #d7ece9;
  --color-link: #22677a;
  --color-border: #d9e4e6;
  --color-border-strong: #b6c9cc;
  --color-danger: #b3403a;
  --color-warning: #9a6b1f;
  --color-success: #2e7d4f;
  --color-focus-ring: #2e7d74;

  /* Typography */
  --font-sans: 'Inter', 'Noto Sans JP', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --leading-tight: 1.3;
  --leading-normal: 1.65;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 999px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(29, 43, 48, 0.06);
  --shadow-md: 0 2px 8px rgba(29, 43, 48, 0.09);
  --shadow-lg: 0 6px 24px rgba(29, 43, 48, 0.12);

  /* Layout */
  --content-max-width: 72rem;
  --prose-max-width: 42rem;

  /* Motion */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #12191c;
    --color-bg-raised: #1a2427;
    --color-bg-inset: #0d1416;
    --color-text: #e2ecee;
    --color-text-muted: #9db1b6;
    --color-text-faint: #6f8489;
    --color-accent: #4fa89d;
    --color-accent-strong: #6fc2b7;
    --color-accent-soft: #1d3835;
    --color-link: #66b3c7;
    --color-border: #2a3a3e;
    --color-border-strong: #3d5257;
    --color-danger: #d97570;
    --color-warning: #cfa155;
    --color-success: #5aa87c;
    --color-focus-ring: #4fa89d;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 6px 24px rgba(0, 0, 0, 0.5);
  }
}