:root{--bg: #0b1020;--bg-soft: #121a31;--surface: #16203b;--surface-2: #1d2a4a;--border: #263255;--text: #e8edf7;--muted: #9aa7c7;--accent: #6d5efc;--accent-2: #21c1ff;--accent-grad: linear-gradient(135deg, #6d5efc 0%, #21c1ff 100%);--danger: #ff5d6c;--success: #2ee6a6;--warning: #ffb44a;--radius: 14px;--shadow: 0 10px 30px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;background:radial-gradient(1200px 600px at 80% -10%,#1a2447 0%,var(--bg) 55%) fixed;color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:10px;border:1px solid transparent;background:var(--surface-2);color:var(--text);cursor:pointer;font-size:14px;font-weight:600;transition:transform .08s,background .15s,opacity .15s}.btn:hover{background:#243254}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-grad);border:none;color:#fff}.btn-primary:hover{filter:brightness(1.06)}.btn-ghost{background:transparent;border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface)}.btn-danger{background:transparent;border:1px solid var(--danger);color:var(--danger)}.btn-danger:hover{background:#ff5d6c1f}.btn-sm{padding:6px 12px;font-size:13px}.btn-block{width:100%}label.field{display:block;margin-bottom:14px}label.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input,textarea,select{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--border);background:var(--bg-soft);color:var(--text);font-size:14px;outline:none;transition:border .15s}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:90px}.app{display:flex;min-height:100vh}.sidebar{width:250px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;font-weight:800;font-size:18px}.brand .dot{width:26px;height:26px;border-radius:8px;background:var(--accent-grad);box-shadow:var(--shadow)}.nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--muted);font-weight:600;font-size:14px}.nav a:hover{background:var(--surface-2);color:var(--text)}.nav a.active{background:var(--surface-2);color:var(--text);box-shadow:inset 3px 0 0 var(--accent)}.nav .badge{margin-left:auto;background:var(--accent);color:#fff;border-radius:999px;padding:1px 8px;font-size:12px}.sidebar .user-box{border-top:1px solid var(--border);padding-top:14px;font-size:13px;color:var(--muted)}.main{flex:1;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#0b1020b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:5}.topbar h1{margin:0;font-size:20px}.content{padding:28px;max-width:1200px}.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .12s,border-color .15s}.card.clickable{cursor:pointer}.card.clickable:hover{transform:translateY(-4px);border-color:var(--accent)}.card .cover{aspect-ratio:16/9;background:var(--accent-grad);position:relative;display:flex;align-items:center;justify-content:center;color:#ffffffd9}.card .cover img{width:100%;height:100%;object-fit:cover}.card .cover .play{width:54px;height:54px;border-radius:50%;background:#00000073;display:grid;place-items:center}.card .body{padding:14px 16px}.card .body h3{margin:0 0 6px;font-size:16px}.card .body p{margin:0;color:var(--muted);font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card .meta{display:flex;gap:10px;align-items:center;margin-top:12px;font-size:12px;color:var(--muted)}.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--accent-2);border:1px solid var(--border)}.progress{height:7px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-top:12px}.progress>i{display:block;height:100%;background:var(--accent-grad);border-radius:999px}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.panel+.panel{margin-top:18px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.panel-head h2{margin:0;font-size:17px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:none}.row-actions{display:flex;gap:8px;justify-content:flex-end}.pill{padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}.pill.ok{background:#2ee6a626;color:var(--success)}.pill.pending{background:#ffb44a26;color:var(--warning)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:100%;max-width:410px;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:32px;box-shadow:var(--shadow)}.auth-card .brand{justify-content:center;font-size:22px;padding-bottom:8px}.auth-card .subtitle{text-align:center;color:var(--muted);margin:0 0 22px;font-size:14px}.auth-switch{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}.auth-switch a{color:var(--accent-2);font-weight:600}.player-layout{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}.player-main video{width:100%;border-radius:var(--radius);background:#000;box-shadow:var(--shadow)}.playlist{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.playlist .head{padding:14px 16px;border-bottom:1px solid var(--border);font-weight:700}.playlist .item{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;align-items:center}.playlist .item:hover{background:var(--surface-2)}.playlist .item.active{background:var(--surface-2);box-shadow:inset 3px 0 0 var(--accent)}.playlist .item .num{width:26px;height:26px;border-radius:8px;background:var(--bg-soft);display:grid;place-items:center;font-size:13px;flex-shrink:0}.playlist .item .num.done{background:var(--success);color:#04231a}.playlist .item .t{font-size:14px}.alert{padding:12px 14px;border-radius:10px;font-size:14px;margin-bottom:14px}.alert.error{background:#ff5d6c1f;color:var(--danger);border:1px solid rgba(255,93,108,.3)}.alert.success{background:#2ee6a61f;color:var(--success);border:1px solid rgba(46,230,166,.3)}.alert.info{background:#21c1ff1a;color:var(--accent-2);border:1px solid rgba(33,193,255,.25)}.empty{text-align:center;color:var(--muted);padding:50px 20px}.muted{color:var(--muted)}.flex{display:flex;gap:12px;align-items:center}.flex.between{justify-content:space-between}.flex.wrap{flex-wrap:wrap}.spacer{flex:1}.section-title{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:0 0 12px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#040812a6;display:grid;place-items:center;padding:20px;z-index:50}.modal{width:100%;max-width:560px;max-height:90vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.modal h2{margin:0 0 16px;font-size:18px}.checklist{max-height:320px;overflow:auto;border:1px solid var(--border);border-radius:10px}.checklist label{display:flex;gap:10px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--border);cursor:pointer}.checklist label:last-child{border-bottom:none}.checklist input{width:auto}@media (max-width: 860px){.sidebar{display:none}.player-layout{grid-template-columns:1fr}.content{padding:18px}}