:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg: #0f1214;--card: #151a1f;--text: #e8eef2;--muted: #9aa7b2;--input-bg: 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ease}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-primary:hover{background:var(--accent)}.btn-primary:active{transform:translateY(1px)}.btn-primary:focus{outline:none}.btn-oauth{background:var(--accent);color:var(--accent-text)}.btn-oauth:hover{background:var(--accent)}.btn-oauth+.btn-oauth{margin-top:12px}.btn-oauth[disabled],.btn-primary[disabled]{opacity:1;cursor:not-allowed}.link{width:100%;text-align:center;background:transparent;border:none;color:var(--accent);cursor:pointer;padding:10px 0 0;font-size:13px}.link:hover{text-decoration:underline}.divider{position:relative;display:flex;align-items:center;justify-content:center;margin:12px 0 4px;color:var(--muted);font-size:12px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:#ffffff14;margin:0 10px}.alert.error{background:#2a1616;color:#ffd6d6;border:1px solid #4a2222;padding:10px 12px;border-radius:12px;margin-bottom:8px}:root{--bg:#0f1214;--panel:#11161b;--panel-2:#0c1116;--card:#141a20;--text:#e8eef2;--muted:#9aa7b2;--border:rgba(255,255,255,.07);--primary:#17c2b8;--primary-press:#15aca4;--ring:#2be0d6;--shadow:0 10px 30px rgba(0,0,0,.45)}.app-shell{min-height:100vh;background:radial-gradient(1400px 900px at 60% -200px,#15242a,#0f1214 55%,#0b0e10);color:var(--text);display:grid;grid-template-columns:300px 1fr}.sidebar{background:linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);border-right:1px solid var(--border);padding:18px;display:flex;flex-direction:column;gap:14px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px;font-size:18px}.brand svg{fill:var(--primary);filter:drop-shadow(0 4px 12px rgba(23,194,184,.45))}.side-section{margin-top:6px}.side-label{display:block;font-size:12px;color:var(--muted);margin:10px 6px 6px}.search-row{display:flex;gap:8px}.input-round{flex:1;background:#0f1a20;color:var(--text);border:1px solid var(--border);border-radius:999px;padding:10px 14px;outline:none;transition:box-shadow .15s ease,border-color .15s ease}.input-round::placeholder{color:#6b7a86}.input-round:focus{border-color:var(--ring);box-shadow:0 0 0 3px #2be0d638}.icon-btn{height:40px;min-width:40px;border-radius:999px;border:1px solid var(--border);background:#10171d;color:var(--text);cursor:pointer}.btn-primary{width:100%;margin-top:8px;background:var(--primary);color:#062a29;border:none;padding:10px 14px;font-weight:700;border-radius:12px;cursor:pointer}.btn-primary:hover{filter:brightness(.98)}.btn-secondary{width:100%;background:#0e1419;color:#cbd5dc;border:1px solid var(--border);padding:10px 14px;border-radius:12px;cursor:pointer}.signout{margin-top:auto}.file{width:100%;background:#0e1419;color:#cbd5dc;border:1px dashed var(--border);padding:12px;border-radius:12px;cursor:pointer}.video-list{display:flex;flex-direction:column;gap:6px;margin-top:6px}.video-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#0f151a;cursor:pointer}.video-item.active{background:#122028;border-color:#1c2d34}.video-title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-del{border:1px solid var(--border);background:#0e1419;color:#cbd5dc;border-radius:10px;padding:6px 8px;cursor:pointer}.content{padding:22px 26px;display:flex;flex-direction:column;gap:18px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:18px}.results{display:flex;flex-direction:column;gap:12px}.result{background:#0f151a;border:1px solid var(--border);border-radius:12px;padding:12px 14px}.result a{color:var(--primary);text-decoration:none}.result 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