:root{color-scheme:dark;--bg: #121212;--panel: #1e1e1e;--text: #ffffff;--muted: #a0a0a0;--accent: #007bff;--accent-dark: #0056b3;--danger: #dc3545;--border: rgba(255, 255, 255, .1);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background-color:var(--bg);color:var(--text);min-height:100vh;font-size:16px}h1,h2,h3,h4,h5,h6{margin:0 0 .5rem;font-weight:600}p{margin:0;color:var(--muted)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{border:none;font-family:inherit;font-size:.95rem;padding:.75rem 1.5rem;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;transition:background-color .2s ease,transform .1s ease}button:hover{background:var(--accent-dark)}button:active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed;background:var(--accent)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:radial-gradient(circle at 50% 50%,rgba(0,123,255,.1),transparent 50%)}.login-card{background:var(--panel);padding:3rem;border-radius:12px;max-width:450px;width:100%;box-shadow:0 10px 30px #0003;border:1px solid var(--border)}.brand{text-align:center;margin-bottom:2.5rem}.brand h1{font-size:1.8rem;font-weight:700}.brand p{font-size:1rem}form{display:flex;flex-direction:column;gap:1.25rem}.login-separator{display:flex;align-items:center;text-align:center;margin:1.5rem 0;color:var(--muted);font-size:.8rem;text-transform:uppercase}.login-separator:before,.login-separator:after{content:"";flex:1;border-bottom:1px solid var(--border)}.login-separator:not(:empty):before{margin-right:.5em}.login-separator:not(:empty):after{margin-left:.5em}.google-button{width:100%;background:transparent;border:1px solid var(--border);color:var(--text);display:inline-flex;align-items:center;justify-content:center;gap:.75rem}.google-button:hover{background:#ffffff0d}.google-mark{width:20px;height:20px}label{display:flex;flex-direction:column;gap:.5rem;font-size:.9rem;color:var(--muted)}input{padding:.8rem 1rem;border-radius:8px;border:1px solid var(--border);background-color:#2c2c2c;color:var(--text);font-size:1rem;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease}input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #007bff40}.error{background:#dc35451a;color:#f8d7da;border:1px solid rgba(220,53,69,.3);padding:.75rem 1rem;border-radius:8px;font-size:.9rem;text-align:center}.dashboard{max-width:1400px;margin:0 auto;padding:2rem}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem;flex-wrap:wrap;gap:1.5rem}header h1{font-size:2rem}.header-actions{display:flex;align-items:center;gap:1rem}.user-info{display:flex;align-items:center;gap:.75rem;background-color:var(--panel);padding:.5rem 1rem;border-radius:8px;border:1px solid var(--border)}.user-info span{font-weight:500}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.video-card{background:var(--panel);border-radius:12px;border:1px solid var(--border);overflow:hidden;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column}.video-card:hover{transform:translateY(-5px);border-color:#fff3;box-shadow:0 15px 30px #0003}.video-card.busy{opacity:.5;pointer-events:none}.video-thumb{width:100%;aspect-ratio:16 / 10;background-color:#2c2c2c;overflow:hidden;position:relative}.video-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}.video-card:hover .video-thumb img{transform:scale(1.05)}.video-thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--muted)}.video-info{padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.75rem}.video-title{font-size:1.1rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-meta{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted)}.video-actions{display:flex;gap:.5rem;margin-top:.5rem;border-top:1px solid var(--border);padding:.75rem 1.25rem}.icon-btn{background:transparent;color:var(--muted);padding:.5rem;border-radius:6px;display:flex;align-items:center;justify-content:center;width:36px;height:36px}.icon-btn:hover{background:#ffffff1a;color:var(--text)}.icon-btn.trash-btn:hover{color:var(--danger)}.icon-btn.copy-btn:hover{color:var(--accent)}.loading,.loading-page{display:flex;align-items:center;justify-content:center;min-height:200px;font-size:1.1rem;color:var(--muted)}.loading-page{min-height:100vh}@media (max-width: 768px){.dashboard{padding:1.5rem}header{flex-direction:column;align-items:flex-start}}@media (max-width: 480px){.login-card{padding:2rem 1.5rem}.dashboard{padding:1rem}.video-grid{grid-template-columns:1fr}}