/* 全画面共通デザイントークン（レイアウト・グリッドは各スタイルシート側） */
:root {
  --ui-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;

  --ui-page-bg: #e8ebf4;
  --ui-body-bg:
    radial-gradient(1100px 520px at 0% -15%, color-mix(in srgb, #6366f1 14%, transparent), transparent 58%),
    radial-gradient(720px 420px at 100% 0%, color-mix(in srgb, #ec4899 10%, transparent), transparent 52%),
    linear-gradient(168deg, #e4e8f3 0%, #eef0f8 45%, #f4f5fb 100%);

  --ui-surface: #ffffff;
  --ui-surface-glass: color-mix(in srgb, #ffffff 78%, transparent);
  --ui-text: #0f172a;
  --ui-text-muted: #64748b;
  --ui-border: rgba(15, 23, 42, 0.08);
  --ui-border-strong: rgba(15, 23, 42, 0.12);

  --ui-accent: #6366f1;
  --ui-accent-hover: #4f46e5;
  --ui-accent-pressed: #4338ca;
  --ui-accent-soft: color-mix(in srgb, var(--ui-accent) 14%, transparent);
  --ui-accent-softer: color-mix(in srgb, var(--ui-accent) 7%, transparent);
  --ui-accent-on-surface: #4338ca;
  --ui-on-accent: #ffffff;

  --ui-danger: #ef4444;
  --ui-danger-hover: #dc2626;
  --ui-ok: #22c55e;

  --ui-radius-lg: 18px;
  --ui-radius-md: 12px;
  --ui-radius-sm: 10px;
  --ui-radius-pill: 9999px;

  --ui-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --ui-shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --ui-shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08), 0 2px 8px rgba(15, 23, 42, 0.04);

  --ui-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ui-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}