:root{--bg: #3b82f6;--bg-2: #2563eb;--text: #e5e7eb;--muted: #94a3b8;--border: #334155;--card: #0b1220;--page: #0a0f1a;--glow1: #1d2a46;--glow2: #2a1f3e;--green: #22c55e;--danger: #ef4444;--amber: #f59e0b;--shadow: 0 10px 30px rgba(2,8,23,.35), 0 2px 8px rgba(2,8,23,.45);--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--radius: 12px;--control-h: 44px}[data-theme=light]{--bg: #2563eb;--bg-2: #1e40af;--text: #111827;--muted: #64748b;--border: #d8dee7;--card: #ffffff;--page: #f3f5f9;--glow1: #e8f0ff;--glow2: #f3e8ff;--green: #10b981;--danger: #b91c1c;--amber: #b45309;--shadow: 0 10px 30px rgba(2,8,23,.08), 0 2px 8px rgba(2,8,23,.06)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at 20% -10%,var(--glow1) 0%,transparent 55%),radial-gradient(1000px 500px at 120% 10%,var(--glow2) 0%,transparent 60%),var(--page);min-width:320px}@view-transition{navigation:auto}::view-transition-old(root){animation:90ms ease-out both page-out}::view-transition-new(root){animation:.11s ease-out both page-in}@keyframes page-out{to{opacity:.92}}@keyframes page-in{0%{opacity:.92}}@media(prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}}button,input,select{font:inherit}a{color:inherit}.adminNavLink[hidden]{display:none!important}.authButton{max-width:190px;height:var(--control-h);padding:0 14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);font:inherit;font-weight:700;cursor:pointer}.authButton:hover{border-color:var(--bg);transform:translateY(-1px)}.authButton.authPending{opacity:1;cursor:default;transform:none}.authButton.authPending:empty{width:132px;border-color:transparent;background:linear-gradient(100deg,var(--card) 25%,color-mix(in oklab,var(--card) 76%,var(--text) 24%) 45%,var(--card) 65%);background-size:220% 100%;animation:auth-loading 1.25s ease-in-out infinite}@keyframes auth-loading{to{background-position-x:-220%}}.authButton.authenticated:before{content:"";display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%;background:var(--bg);box-shadow:0 0 0 3px color-mix(in oklab,var(--bg) 16%,transparent)}button{-webkit-tap-highlight-color:transparent}a,.toggle,.btn,.brand .logo{transition:color .15s ease,background-color .15s ease,border-color .15s ease,box-shadow .2s ease,transform .12s ease}.nav{max-width:1200px;margin:0 auto;padding:var(--s-4);display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:var(--s-3);min-width:0}.brand .logo{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--bg),var(--bg-2));color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);font-size:0;text-decoration:none}.brand .logo:focus-visible{outline:2px solid var(--bg);outline-offset:3px}.brand .logo:before{content:"S";font-size:16px;font-weight:900;letter-spacing:-.03em}.brandName{font-weight:800;color:var(--text);text-decoration:none}.brandName:hover{color:color-mix(in oklab,var(--text) 75%,var(--bg) 25%)}.navActions{position:relative;display:flex;gap:12px;align-items:center}.mobileNavButton{display:none;width:var(--control-h);height:var(--control-h);place-items:center;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);cursor:pointer}.mobileNavButton svg{width:20px;height:20px}.mobileNavMenu{position:absolute;top:calc(100% + 10px);right:0;z-index:1000;display:grid;width:min(260px,calc(100vw - 32px));padding:8px;border:1px solid var(--border);border-radius:14px;background:var(--card);box-shadow:var(--shadow)}.mobileNavMenu[hidden]{display:none}.mobileNavMenu a{padding:12px;border-radius:9px;text-decoration:none;font-weight:700}.mobileNavMenu a:hover,.mobileNavMenu a:focus-visible{outline:none;background:color-mix(in oklab,var(--card) 84%,var(--text) 16%)}.toggle{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:8px 10px;cursor:pointer}.toggle:hover{border-color:var(--bg);box-shadow:0 0 0 3px color-mix(in oklab,var(--bg) 20%,transparent)}.toggle:focus-visible{outline:2px solid var(--bg);outline-offset:2px}.btn{display:inline-flex;align-items:center;gap:8px;height:var(--control-h);padding:0 var(--s-4);border-radius:10px;border:1px solid transparent;cursor:pointer;text-decoration:none;font-weight:700;background:var(--bg);color:#fff}.btn:hover{transform:translateY(-1px);box-shadow:0 14px 34px #02081773,0 3px 10px #02081780}.btn:active{transform:translateY(0)}.btn:focus-visible{outline:2px solid var(--bg);outline-offset:2px}.btn[disabled]{opacity:.65;cursor:not-allowed;box-shadow:none}.btn[disabled]:hover{transform:none}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border);box-shadow:none}.btn.secondary:hover{background:color-mix(in oklab,var(--card) 88%,var(--text) 12%);border-color:color-mix(in oklab,var(--border) 60%,var(--bg) 40%)}.nav .btn.secondary[aria-current=page]{border-color:var(--bg);background:color-mix(in oklab,var(--bg) 88%,var(--card));color:#fff;box-shadow:0 5px 16px color-mix(in oklab,var(--bg) 22%,transparent)}.nav .btn.secondary[aria-current=page]:hover{border-color:var(--bg);background:var(--bg);transform:none;box-shadow:0 5px 16px color-mix(in oklab,var(--bg) 22%,transparent)}.btn.warn{background:#f97316;color:#fff}#toastContainer{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:14px;z-index:3000}.pageHeader{margin-bottom:var(--s-5)}.pageHeader h1{margin:0 0 6px;font-size:clamp(28px,4vw,36px)}.pageHeader p{margin:0;color:var(--muted);line-height:1.55}.videoSectionTabs{display:grid;grid-template-columns:1fr 1fr;gap:5px;max-width:430px;margin:0 0 22px;padding:5px;border:1px solid var(--border);border-radius:13px;background:color-mix(in oklab,var(--card) 88%,transparent)}.videoSectionTabs :is(a,button){min-height:42px;display:grid;place-items:center;padding:0 16px;border:0;border-radius:9px;background:transparent;color:var(--muted);font:inherit;font-weight:750;text-decoration:none;cursor:pointer}.videoSectionTabs :is(a,button):hover{color:var(--text);background:color-mix(in oklab,var(--card) 82%,var(--text) 18%)}.videoSectionTabs :is(a,button)[aria-current=page]{background:var(--bg);color:#fff;box-shadow:0 5px 16px color-mix(in oklab,var(--bg) 26%,transparent)}.videoSectionTabs :is(a,button):focus-visible{outline:2px solid var(--bg);outline-offset:2px}.stateCard{grid-column:1 / -1;display:grid;justify-items:center;gap:10px;min-height:220px;padding:40px 24px;border:1px dashed var(--border);border-radius:16px;color:var(--muted);text-align:center;place-content:center}.stateCard strong{color:var(--text);font-size:17px}.stateCard p{max-width:420px;margin:0;line-height:1.5}.stateCard .btn{margin-top:6px}.toast{display:flex;align-items:center;gap:12px;min-width:260px;max-width:360px;padding:12px 16px;border-radius:12px;color:#fff;font-size:14px;font-weight:500;box-shadow:0 8px 28px #00000059;transform:translate(40px);opacity:0;animation:toast-in .35s ease forwards}.toast svg{width:20px;height:20px;flex-shrink:0}.toast.success{border:1px solid color-mix(in oklab,var(--green) 38%,var(--border));background:color-mix(in oklab,var(--card) 88%,var(--green) 12%);color:var(--text)}.toast.success svg{color:color-mix(in oklab,var(--green) 72%,var(--text))}.toast.success button{color:var(--text)}.toast.error{background:var(--danger)}.toast.info{background:var(--bg)}.toast button{margin-left:auto;background:transparent;border:none;color:#fff;font-weight:600;padding:4px 8px;border-radius:8px;cursor:pointer;transition:background .2s ease}.toast button:hover{background:#ffffff26}@keyframes toast-in{0%{transform:translate(40px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes toast-out{to{transform:translate(40px);opacity:0}}@media(max-width:720px){.nav{padding:16px}.navActions{gap:8px}.navActions>.btn.secondary{display:none}.mobileNavButton{display:grid}.toggle{width:var(--control-h);height:var(--control-h);padding:0}#toastContainer{left:16px;right:16px;bottom:16px}.toast{width:100%;min-width:0;max-width:none}}@media(max-width:370px){.brandName{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}