:root {
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;

  /* Light theme */
  --color-bg: #F4F2EC;
  --color-bg-elevated: #FFFFFF;
  --color-bg-nav: rgba(255, 255, 255, 0.82);
  --color-text-primary: #1C1C1E;
  --color-text-secondary: #6E6E73;
  --color-text-tertiary: #9A9A9E;
  --color-hairline: rgba(60, 60, 67, 0.12);

  --color-accent: #1B3A5C;
  --color-accent-soft: #E8EEF4;
  --color-gold: #C89B3C;
  --color-gold-soft: #F8F0DD;
  --color-success: #34C759;
  --color-success-soft: #E4F8E9;
  --color-danger: #FF3B30;

  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;

  --shadow-card: 0 10px 30px rgba(20, 20, 30, 0.06), 0 2px 8px rgba(20, 20, 30, 0.04);
  --shadow-nav: 0 -1px 0 rgba(60, 60, 67, 0.08), 0 -8px 24px rgba(20, 20, 30, 0.05);

  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 180ms;
  --duration-medium: 320ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0B0D10;
    --color-bg-elevated: #1C1E22;
    --color-bg-nav: rgba(28, 30, 34, 0.82);
    --color-text-primary: #F5F5F7;
    --color-text-secondary: #A1A1A6;
    --color-text-tertiary: #6E6E73;
    --color-hairline: rgba(255, 255, 255, 0.12);

    --color-accent: #6FA8DC;
    --color-accent-soft: rgba(111, 168, 220, 0.16);
    --color-gold: #E0BB6A;
    --color-gold-soft: rgba(224, 187, 106, 0.14);
    --color-success: #30D158;
    --color-success-soft: rgba(48, 209, 88, 0.16);
    --color-danger: #FF453A;

    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-nav: 0 -1px 0 rgba(255, 255, 255, 0.06), 0 -8px 24px rgba(0, 0, 0, 0.3);
  }
}