:root{--color-primary:#3b82f6;--color-primary-light:#60a5fa;--color-primary-dark:#2563eb;--color-secondary:#8b5cf6;--color-secondary-light:#a78bfa;--color-secondary-dark:#7c3aed;--color-accent:#f59e0b;--color-accent-light:#fbbf24;--color-accent-dark:#d97706;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-gray-50:#f9fafb;--color-gray-100:#f3f4f6;--color-gray-200:#e5e7eb;--color-gray-300:#d1d5db;--color-gray-400:#9ca3af;--color-gray-500:#6b7280;--color-gray-600:#4b5563;--color-gray-700:#374151;--color-gray-800:#1f2937;--color-gray-900:#111827;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"Fira Code","Consolas",monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--spacing-nav:4rem;--spacing-sidebar:16rem;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:0.25rem;--radius-md:0.375rem;--radius-lg:0.5rem;--radius-xl:0.75rem;--radius-2xl:1rem;--radius-card:0.75rem;--radius-button:0.5rem;--radius-input:0.5rem;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);--shadow-card:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px 0 rgba(0,0,0,.06);--shadow-modal:0 25px 50px -12px rgba(0,0,0,.25);--transition-fast:150ms;--transition-base:200ms;--transition-slow:300ms;--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}[data-theme=dark]{--color-primary:#60a5fa;--color-primary-light:#93c5fd;--color-primary-dark:#3b82f6;--color-secondary:#a78bfa;--color-secondary-light:#c4b5fd;--color-secondary-dark:#8b5cf6;--color-success:#34d399;--color-warning:#fbbf24;--color-error:#f87171;--color-info:#60a5fa}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-gray-100)}::-webkit-scrollbar-thumb{background:var(--color-gray-400);border-radius:var(--radius-lg)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}[data-theme=dark] ::-webkit-scrollbar-track{background:var(--color-gray-800)}[data-theme=dark] ::-webkit-scrollbar-thumb{background:var(--color-gray-600)}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}