:root {
  color-scheme: light dark;
  --color-surface-base: #F3F4F6;
  --color-surface-canvas: #FFFFFF;
  --color-surface-raised: #FFFFFF;
  --color-surface-chrome: #F3F4F6;
  --color-surface-selected: #E5E7EB;
  --color-text-primary: #111827;
  --color-text-secondary: #4B5563;
  --color-text-disabled: #9CA3AF;
  --color-border-subtle: #E5E7EB;
  --color-border-control: #6B7280;
  --color-focus-ring: #2563EB;
  --color-accent: #003FBD;
  --color-accent-text: #FFFFFF;
  --color-link: #1D4ED8;
  --color-status-info: #1D4ED8;
  --color-status-success: #15803D;
  --color-status-warning: #A16207;
  --color-status-danger: #B91C1C;
  --color-note-internal: #FEF3C7;
  --color-note-internal-text: #78350F;
  --space-0_5: 2px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --font-ui: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;
  --motion-fast: 120ms;
  --motion-normal: 200ms;
  --motion-slow: 320ms;
  --motion-easing: cubic-bezier(0.2, 0, 0, 1);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-surface-base: #0B0F14;
    --color-surface-canvas: #151A21;
    --color-surface-raised: #1C222B;
    --color-surface-chrome: #0B0F14;
    --color-surface-selected: #2A313C;
    --color-text-primary: #F3F4F6;
    --color-text-secondary: #A7B0BC;
    --color-text-disabled: #6B7280;
    --color-border-subtle: #2A313C;
    --color-border-control: #8A94A3;
    --color-focus-ring: #60A5FA;
    --color-accent: #1A66FF;
    --color-accent-text: #FFFFFF;
    --color-link: #93C5FD;
    --color-status-info: #93C5FD;
    --color-status-success: #4ADE80;
    --color-status-warning: #FACC15;
    --color-status-danger: #F87171;
    --color-note-internal: #3A2E0B;
    --color-note-internal-text: #FDE68A;
  }
}
:root[data-theme="dark"] {
  --color-surface-base: #0B0F14;
  --color-surface-canvas: #151A21;
  --color-surface-raised: #1C222B;
  --color-surface-chrome: #0B0F14;
  --color-surface-selected: #2A313C;
  --color-text-primary: #F3F4F6;
  --color-text-secondary: #A7B0BC;
  --color-text-disabled: #6B7280;
  --color-border-subtle: #2A313C;
  --color-border-control: #8A94A3;
  --color-focus-ring: #60A5FA;
  --color-accent: #1A66FF;
  --color-accent-text: #FFFFFF;
  --color-link: #93C5FD;
  --color-status-info: #93C5FD;
  --color-status-success: #4ADE80;
  --color-status-warning: #FACC15;
  --color-status-danger: #F87171;
  --color-note-internal: #3A2E0B;
  --color-note-internal-text: #FDE68A;
}
@media (prefers-reduced-motion: reduce) {
  :root { --motion-fast: 0ms; --motion-normal: 0ms; --motion-slow: 0ms; }
}