:root {
  --color-bg: #0f172a;
  --color-surface: #111827;
  --color-card: #1f2937;
  --color-border: #233047;
  --color-primary: #0ea5e9;
  --color-primary-strong: #0284c7;
  --color-accent: #22d3ee;
  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #60a5fa;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
  --radius: 12px;
  --radius-sm: 8px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 20px;
  --space-5: 24px;
  --space-6: 32px;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, monospace;
  --line: 1px solid var(--color-border);
}

.light {
  --color-bg: #f8fafc;
  --color-surface: #f1f5f9;
  --color-card: #ffffff;
  --color-border: #e2e8f0;
  --color-primary: #0ea5e9;
  --color-primary-strong: #0284c7;
  --color-accent: #22d3ee;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --shadow-card: 0 12px 32px rgba(15, 23, 42, 0.12);
}