:root {
  --c-bg: #ffffff;
  --c-bg-subtle: #f7f8fa;
  --c-bg-muted: #eef0f3;
  --c-surface: #ffffff;
  --c-surface-elevated: #ffffff;
  --c-border: #e4e7ec;
  --c-border-strong: #cfd4dc;
  --c-fg: #0b0d10;
  --c-fg-muted: #4a5360;
  --c-fg-subtle: #6b7380;

  --c-brand: #3ddc84;
  --c-brand-hover: #2eb96d;
  --c-brand-fg: #0b1f12;
  --c-accent: #06b6d4;
  --c-success: #10b981;
  --c-warning: #f59e0b;
  --c-danger: #ef4444;
  --c-info: #3b82f6;

  --c-state-online: #10b981;
  --c-state-offline: #94a3b8;
  --c-state-pending: #f59e0b;
  --c-state-error: #ef4444;
  --c-state-active: #10b981;
  --c-state-disabled: #9ca3af;

  --s-0: 0;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;

  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-full: 9999px;

  --sh-xs: 0 1px 2px rgba(16, 24, 40, 0.04);
  --sh-sm: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.04);
  --sh-md: 0 4px 8px -2px rgba(16, 24, 40, 0.08), 0 2px 4px -2px rgba(16, 24, 40, 0.06);
  --sh-lg: 0 12px 24px -6px rgba(16, 24, 40, 0.12), 0 4px 8px -2px rgba(16, 24, 40, 0.06);
  --sh-drawer: -16px 0 40px -8px rgba(16, 24, 40, 0.18);
  --sh-focus: 0 0 0 3px rgba(79, 70, 229, 0.25);

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Inter var", Inter, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-md: 13px;
  --fs-base: 14px;
  --fs-lg: 16px;
  --fs-xl: 20px;
  --fs-2xl: 24px;
  --fs-3xl: 30px;
  --lh-tight: 1.2;
  --lh-normal: 1.5;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --dur-1: 80ms;
  --dur-2: 150ms;
  --dur-3: 240ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.4, 0, 0.2, 1);

  --layout-sidebar: 240px;
  --layout-sidebar-collapsed: 56px;
  --layout-topbar: 56px;
  --layout-max-content: 1440px;

  --z-sticky: 10;
  --z-drawer: 30;
  --z-modal: 40;
  --z-toast: 50;
  --z-cmdk: 60;
}

:root[data-theme="dark"] {
  --c-bg: #0b0d10;
  --c-bg-subtle: #111418;
  --c-bg-muted: #161a1f;
  --c-surface: #14181d;
  --c-surface-elevated: #1a1f25;
  --c-border: #23282f;
  --c-border-strong: #2f353d;
  --c-fg: #f3f5f7;
  --c-fg-muted: #b3bac4;
  --c-fg-subtle: #7a8290;
  --c-brand: #3ddc84;
  --c-brand-hover: #2eb96d;
  --c-state-offline: #4b5563;
  --c-state-disabled: #4b5563;
  --sh-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --sh-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --sh-md: 0 4px 8px -2px rgba(0, 0, 0, 0.5);
  --sh-lg: 0 12px 24px -6px rgba(0, 0, 0, 0.55);
  --sh-drawer: -16px 0 40px -8px rgba(0, 0, 0, 0.6);
  --sh-focus: 0 0 0 3px rgba(129, 140, 248, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  :root { --dur-1: 0ms; --dur-2: 0ms; --dur-3: 0ms; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}