.navigating{pointer-events:none;overflow:hidden}.navigating *{transition:opacity .2s ease-in-out}.optimized-link{position:relative;transition:all .2s ease-in-out}.optimized-link:hover{transform:translateY(-1px)}.optimized-link:active{transform:translateY(0)}.navigation-loading{position:relative;overflow:hidden}.navigation-loading:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:2px;background:linear-gradient(90deg,transparent,#3b82f6,transparent);animation:loading-shimmer 1.5s infinite}@keyframes loading-shimmer{0%{left:-100%}to{left:100%}}.lazy{opacity:0;transition:opacity .3s ease-in-out}.lazy.loaded{opacity:1}.preload-indicator{position:fixed;top:0;left:0;width:100%;height:2px;background:#e5e7eb;z-index:9999}.preload-indicator:before{content:"";position:absolute;top:0;left:0;height:100%;background:#3b82f6;width:0;animation:preload-progress .5s ease-out forwards}@keyframes preload-progress{to{width:100%}}.nav-optimized{will-change:transform;backface-visibility:hidden;transform:translateZ(0)}html{scroll-behavior:smooth}.optimized-render{contain:layout style paint}.nav-loading-overlay{position:fixed;inset:0;background:rgba(255,255,255,.8);backdrop-filter:blur(4px);z-index:50;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .2s ease-in-out}.nav-loading-overlay.active{opacity:1;visibility:visible}.nav-loading-spinner{width:2rem;height:2rem;border:2px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:768px){.navigating{-webkit-overflow-scrolling:touch}.optimized-link{touch-action:manipulation}}@media (prefers-reduced-motion:reduce){.lazy,.navigation-loading:after,.optimized-link{transition:none;animation:none}html{scroll-behavior:auto}}@media (prefers-contrast:high){.navigation-loading:after{background:linear-gradient(90deg,transparent,#000,transparent)}.preload-indicator:before{background:#000}}:root{--color-brand-50:#f2f1fd;--color-brand-100:#e9e8fb;--color-brand-200:#d3d1f7;--color-brand-300:#8f85f3;--color-brand-400:#4747c5;--color-brand-500:#0f0e9a;--color-brand-500-rgb:15 14 154;--color-brand-600:#0d0c8a;--color-brand-700:#0b0a76;--color-brand-800:#090863;--color-brand-900:#06054a;--color-brand-bg:#eaf6ff;--color-brand-dark-surface:#151515;--color-success-500:#00d68f;--color-info-500:#0095ff;--color-warning-500:#ffaa00;--color-danger-500:#ff3d71;--color-accent-violet:#9b7ede;--color-accent-indigo:#5e64e8;--color-surface:#f7f9fc;--color-surface-raised:#ffffff;--color-surface-sunken:#edf1f7;--color-sidebar:#151a30;--color-border:#e4e9f2;--color-border-strong:#c5ced0;--color-text:#1a2138;--color-muted:#8f9bb3;--color-subtle:#b0b7c9;--color-on-brand:#ffffff;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-portal:12px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--shadow-sm:0 2px 8px 0 rgba(16,20,38,0.06);--shadow-md:0 4px 14px 0 rgba(16,20,38,0.08);--shadow-lg:0 12px 38px 0 rgba(16,20,38,0.16);--shadow-portal-card:0 2px 8px 0 rgba(16,20,38,0.06);--shadow-brand-glow:0 18px 40px -20px rgba(15,14,154,0.7)}.dark{--color-brand-500:#4747c5;--color-brand-500-rgb:71 71 197;--color-surface:#101426;--color-surface-raised:#192038;--color-surface-sunken:#222b45;--color-sidebar:#151a30;--color-border:#2e3a59;--color-border-strong:#3a4a70;--color-text:#ffffff;--color-muted:#8f9bb3;--color-subtle:#b7b3c7;--shadow-sm:0 2px 8px 0 rgba(0,0,0,0.35);--shadow-md:0 4px 14px 0 rgba(0,0,0,0.45);--shadow-lg:0 12px 38px 0 rgba(0,0,0,0.55);--shadow-portal-card:0 2px 8px 0 rgba(0,0,0,0.35)}