:root{--color-primary:#0af;--color-primary-hover:#0099e6;--color-primary-active:#08c;--color-primary-light:rgba(0,170,255,.1);--color-primary-shadow:rgba(0,170,255,.2);--color-primary-shadow-hover:rgba(0,170,255,.3);--color-white:#fff;--color-gray-50:#f9fafb;--color-gray-100:#f8fafc;--color-gray-200:#f1f5f9;--color-gray-300:#e5e7eb;--color-gray-400:#d1d5db;--color-gray-500:#9ca3af;--color-gray-600:#6b7280;--color-gray-700:#4b5563;--color-gray-800:#374151;--color-gray-900:#1f2937;--color-slate-900:#1e293b;--color-success:#10b981;--color-success-dark:#059669;--color-success-light:#d1fae5;--color-success-bg:#ecfdf5;--color-error:#ef4444;--color-error-dark:#dc2626;--color-error-light:#fecaca;--color-error-bg:#fef2f2;--color-warning:#f59e0b;--color-warning-dark:#d97706;--color-warning-light:#fef3c7;--color-warning-bg:#fffbeb;--color-info:#3b82f6;--color-info-dark:#1e40af;--color-info-light:#dbeafe;--color-info-bg:#eff6ff;--font-family-base:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-family-heading:"Avenir Next","Avenir",-apple-system,BlinkMacSystemFont,sans-serif;--font-family-body:"DIN Next",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-family-mono:"SF Mono",Monaco,"Cascadia Code","Roboto Mono",Consolas,"Courier New",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:1.75rem;--font-size-4xl:2rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-5:20px;--spacing-6:24px;--spacing-8:32px;--spacing-10:40px;--spacing-12:48px;--radius-none:0;--radius-sm:0;--radius-md:0;--radius-lg:0;--radius-full:50%;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 1px 3px rgba(0,0,0,.1);--shadow-lg:0 4px 6px rgba(0,0,0,.1);--shadow-xl:0 10px 25px rgba(0,0,0,.15);--shadow-primary:0 2px 4px var(--color-primary-shadow);--shadow-primary-hover:0 4px 8px var(--color-primary-shadow-hover);--transition-fast:0.1s ease;--transition-base:0.2s ease;--transition-slow:0.3s ease;--z-dropdown:100;--z-sticky:200;--z-modal:1000;--z-tooltip:1100;--max-width-dashboard:1400px;--min-touch-target:44px}*,:after,:before{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;font-family:var(--font-family-base);color:var(--color-gray-900);background-color:var(--color-gray-50);line-height:1.5}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}button{font-family:inherit}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-gray-100)}::-webkit-scrollbar-thumb{background:var(--color-gray-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}