:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #eff6ff;

  --color-success: #16a34a;
  --color-success-light: #f0fdf4;

  --color-warning: #f59e0b;
  --color-warning-light: #fffbeb;

  --color-danger: #dc2626;
  --color-danger-light: #fef2f2;

  --color-muted: #64748b;
  --color-muted-light: #f8fafc;

  --color-border: #e5e7eb;
  --color-border-strong: #cbd5e1;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-text-soft: #334155;

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

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 3px rgba(15, 23, 42, .04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, .08);

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}