:root {
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f3f5;
  --color-border: #dde1e6;
  --color-border-strong: #c3c9d1;
  --color-text: #1a1d23;
  --color-text-secondary: #5a626f;
  --color-text-muted: #8892a0;
  --color-accent: #1f5f8b;
  --color-accent-hover: #174a6d;
  --color-accent-soft: #e7f0f7;

  --color-severity-critical: #a4243b;
  --color-severity-critical-bg: #fbe9ec;
  --color-severity-high: #c0392b;
  --color-severity-high-bg: #fdeeec;
  --color-severity-medium: #b7791f;
  --color-severity-medium-bg: #fdf3e0;
  --color-severity-low: #2b6cb0;
  --color-severity-low-bg: #e8f1fb;
  --color-severity-info: #5a626f;
  --color-severity-info-bg: #eef0f2;

  --color-status-clean: #2f7d4f;
  --color-status-clean-bg: #e7f5ec;
  --color-status-malicious: #a4243b;
  --color-status-malicious-bg: #fbe9ec;
  --color-status-suspicious: #b7791f;
  --color-status-suspicious-bg: #fdf3e0;
  --color-status-unknown: #5a626f;
  --color-status-unknown-bg: #eef0f2;
  --color-status-error: #6b4fa0;
  --color-status-error-bg: #f1ecf9;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, "Roboto Mono", monospace;

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

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

  --shadow-sm: 0 1px 2px rgba(20, 24, 30, 0.06);
  --shadow-md: 0 2px 8px rgba(20, 24, 30, 0.08);

  --sidebar-width: 240px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #14161a;
    --color-surface: #1c1f24;
    --color-surface-alt: #23262c;
    --color-border: #2e323a;
    --color-border-strong: #3c414b;
    --color-text: #e7e9ec;
    --color-text-secondary: #a6acb6;
    --color-text-muted: #767d89;
    --color-accent: #5b9bd0;
    --color-accent-hover: #7bb0dc;
    --color-accent-soft: #1c2a35;
  }
}

:root[data-theme="dark"] {
  --color-bg: #14161a;
  --color-surface: #1c1f24;
  --color-surface-alt: #23262c;
  --color-border: #2e323a;
  --color-border-strong: #3c414b;
  --color-text: #e7e9ec;
  --color-text-secondary: #a6acb6;
  --color-text-muted: #767d89;
  --color-accent: #5b9bd0;
  --color-accent-hover: #7bb0dc;
  --color-accent-soft: #1c2a35;
}