/* ============================================
   Gmails do Marcone — Design Tokens
   Dark Premium SaaS Design System
   ============================================ */

:root {
  /* ── Backgrounds ── */
  --bg-base: #08090d;
  --bg-surface: #0f1117;
  --bg-elevated: #161922;
  --bg-overlay: #1c1f2b;

  /* ── Borders ── */
  --border-subtle: #1e2233;
  --border-default: #2a2e3f;
  --border-strong: #363b50;

  /* ── Text ─ */
  --text-primary: #e8eaf0;
  --text-secondary: #8b8fa3;
  --text-tertiary: #5c6078;

  /* ── Accent (Green) ── */
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --accent-muted: rgba(34, 197, 94, 0.12);
  --accent-text: #4ade80;

  /* ── Semantic ── */
  --danger: #ef4444;
  --danger-muted: rgba(239, 68, 68, 0.12);
  --warning: #f59e0b;
  --warning-muted: rgba(245, 158, 11, 0.12);
  --info: #3b82f6;
  --info-muted: rgba(59, 130, 246, 0.12);

  /* ── Glass ─ */
  --glass-bg: rgba(15, 17, 23, 0.72);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-blur: 16px;

  /* ── Typography ── */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.8125rem;
  --text-base: 0.875rem;
  --text-md: 0.9375rem;
  --text-lg: 1.0625rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;

  /* ── Spacing (4px base) ── */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ── Radius ── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

  /* ── Layout ── */
  --sidebar-width: 240px;
  --topbar-height: 56px;

  /* ── Transitions ── */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-enter: cubic-bezier(0, 0, 0.2, 1);
  --ease-exit: cubic-bezier(0.4, 0, 1, 1);
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 250ms;
}