:root, [data-theme="light"] {
  --surface-primary: #ffffff;
  --surface-secondary: #f8fafc;
  --surface-tertiary: #f1f5f9;
  --surface-hover: #e2e8f0;
  --surface-active: #cbd5e1;
  --surface-elevated: #ffffff;

  --foreground-primary: #0f172a;
  --foreground-secondary: #475569;
  --foreground-tertiary: #64748b;
  --foreground-muted: #94a3b8;
  --foreground-inverse: #ffffff;

  --accent-base: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #60a5fa;
  --accent-bg: rgba(37, 99, 235, 0.1);

  --semantic-success: #16a34a;
  --semantic-warning: #ca8a04;
  --semantic-error: #dc2626;
  --semantic-info: #2563eb;

  --border-default: #e2e8f0;
  --border-subtle: #f8fafc;
  --border-hover: #cbd5e1;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);

  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 24px;

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

[data-theme="dark"] {
  --surface-primary: #0a0a0f;
  --surface-secondary: #13131a;
  --surface-tertiary: #1c1c24;
  --surface-hover: #252530;
  --surface-active: #2e2e3a;
  --surface-elevated: #18181f;

  --foreground-primary: #e8e8ed;
  --foreground-secondary: #9ca3af;
  --foreground-tertiary: #6b7280;
  --foreground-muted: #4b5563;
  --foreground-inverse: #0a0a0f;

  --accent-base: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: #818cf8;
  --accent-bg: rgba(99, 102, 241, 0.12);

  --semantic-success: #22c55e;
  --semantic-warning: #fbbf24;
  --semantic-error: #f87171;
  --semantic-info: #60a5fa;

  --border-default: #27272f;
  --border-subtle: #1e1e28;
  --border-hover: #3f3f4f;
}

[data-theme="slate"] {
  --surface-primary: #f8fafc;
  --surface-secondary: #f1f5f9;
  --surface-tertiary: #e2e8f0;
  --surface-hover: #cbd5e1;
  --surface-active: #94a3b8;
  --surface-elevated: #ffffff;

  --foreground-primary: #020617;
  --foreground-secondary: #334155;
  --foreground-tertiary: #475569;
  --foreground-muted: #64748b;
  --foreground-inverse: #f8fafc;

  --accent-base: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: #60a5fa;
  --accent-bg: rgba(59, 130, 246, 0.1);

  --semantic-success: #22c55e;
  --semantic-warning: #eab308;
  --semantic-error: #ef4444;
  --semantic-info: #3b82f6;

  --border-default: #cbd5e1;
  --border-subtle: #e2e8f0;
  --border-hover: #94a3b8;
}