/* RRFlows Grade Mailer brand values. Loaded after css/tokens.css (the verbatim contract).
   Overrides VALUES of contract slots only, never names. Accent is RRFlows slate-navy
   (_CLAUDE_CODE/BRAND_BUNDLE/rrflows); structure follows the FTC Staff HQ light theme;
   values match the Claude Design handoff in design/. Light is the designed default,
   dark follows the OS preference or [data-theme]. */

:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-surface-raised: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-border-focus: #2563eb;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #64748b;
  --color-accent: #1e3a5f;
  --color-accent-hover: #14306b;
  --color-accent-active: #0f2747;
  --color-accent-tint: rgb(30 58 95 / 0.08);
  --color-accent-foreground: #ffffff;
  --color-success: #15803d;
  --color-success-bg: #f0fdf4;
  --color-warning: #b45309;
  --color-warning-bg: #fffbeb;
  --color-danger: #b91c1c;
  --color-danger-bg: #fef2f2;
  --color-info: #1d4ed8;
  --color-info-bg: #eff6ff;

  --font-display: 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.8125rem;
  --font-size-md: 0.875rem;
  --font-size-lg: 1rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;

  --space-2xs: 0.125rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;

  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg: #0e1319;
    --color-surface: #151b23;
    --color-surface-raised: #1b222c;
    --color-border: #2a3340;
    --color-border-strong: #3a4453;
    --color-border-focus: #7aa7ff;
    --color-text: #e6eaf0;
    --color-text-muted: #a7b0bd;
    --color-text-subtle: #8a94a3;
    --color-accent: #8db3e2;
    --color-accent-hover: #a9c6ec;
    --color-accent-active: #c3d7f1;
    --color-accent-tint: rgb(141 179 226 / 0.14);
    --color-accent-foreground: #0b1220;
    --color-success: #4ade80;
    --color-success-bg: rgb(74 222 128 / 0.12);
    --color-warning: #fbbf24;
    --color-warning-bg: rgb(251 191 36 / 0.12);
    --color-danger: #f87171;
    --color-danger-bg: rgb(248 113 113 / 0.12);
    --color-info: #93c5fd;
    --color-info-bg: rgb(147 197 253 / 0.12);
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  }
}

:root[data-theme='dark'] {
  --color-bg: #0e1319;
  --color-surface: #151b23;
  --color-surface-raised: #1b222c;
  --color-border: #2a3340;
  --color-border-strong: #3a4453;
  --color-border-focus: #7aa7ff;
  --color-text: #e6eaf0;
  --color-text-muted: #a7b0bd;
  --color-text-subtle: #8a94a3;
  --color-accent: #8db3e2;
  --color-accent-hover: #a9c6ec;
  --color-accent-active: #c3d7f1;
  --color-accent-tint: rgb(141 179 226 / 0.14);
  --color-accent-foreground: #0b1220;
  --color-success: #4ade80;
  --color-success-bg: rgb(74 222 128 / 0.12);
  --color-warning: #fbbf24;
  --color-warning-bg: rgb(251 191 36 / 0.12);
  --color-danger: #f87171;
  --color-danger-bg: rgb(248 113 113 / 0.12);
  --color-info: #93c5fd;
  --color-info-bg: rgb(147 197 253 / 0.12);
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
}