:root{--primary:#2563eb;--primary-light:#3b82f6;--primary-dark:#1d4ed8;--primary-gradient:linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--header-gradient:linear-gradient(135deg, #1e40af 0%, #6366f1 50%, #8b5cf6 100%);--bg:#f0f2f5;--bg-card:#fff;--bg-sidebar:#0f172a;--bg-sidebar-hover:#1e293b;--bg-sidebar-active:#3b82f626;--text-primary:#0f172a;--text-secondary:#64748b;--text-tertiary:#94a3b8;--text-inverse:#fff;--text-sidebar:#cbd5e1;--text-sidebar-active:#60a5fa;--success:#10b981;--success-bg:#ecfdf5;--warning:#f59e0b;--warning-bg:#fffbeb;--danger:#ef4444;--danger-bg:#fef2f2;--info:#3b82f6;--info-bg:#eff6ff;--border:#e2e8f0;--border-light:#f1f5f9;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--radius-sm:6px;--radius:10px;--radius-lg:14px;--radius-xl:20px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--sidebar-width:240px;--sidebar-collapsed:72px;--topbar-height:64px;--transition:.2s ease;--transition-slow:.3s ease;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);min-height:100vh;line-height:1.6}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}img{max-width:100%;display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes progressFill{0%{width:0}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}