:root{--bg: #f4f6f8;--surface: #ffffff;--ink: #16202b;--muted: #64707d;--line: #e2e6ea;--brand: #0e7c86;--brand-ink: #ffffff;--brand-soft: #e3f3f4;--side: #10202d;--side-ink: #c9d4dc;--ok: #1f8a4c;--danger: #c43a31;--radius: 10px;font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}h1{font-size:22px;margin:0;font-weight:600}h2{font-size:15px;margin:0 0 4px;font-weight:600}a{color:var(--brand);text-decoration:none;font-weight:500}a:hover{text-decoration:underline}input,select,button,.button{font:inherit;font-size:14px;border-radius:8px;border:1px solid var(--line);padding:8px 12px;background:var(--surface);color:var(--ink)}input,select{min-width:0;width:100%}input:focus,select:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}button,.button{cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center}button:hover:not(:disabled),.button:hover{border-color:var(--muted)}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600}.primary:hover:not(:disabled){border-color:var(--brand);filter:brightness(1.08)}.danger{background:var(--danger);border-color:var(--danger);color:#fff;font-weight:600}.danger-outline{color:var(--danger)}.danger-text{color:var(--danger)!important}.link{border:none;background:none;padding:0;color:var(--brand);font-weight:500}.link:hover{text-decoration:underline}.muted{color:var(--muted);font-size:13px;margin:2px 0 0}.error{color:var(--danger);background:#fdecea;padding:10px 14px;border-radius:8px;margin:0 0 16px}.notice{color:var(--ok);background:#e7f5ed;padding:10px 14px;border-radius:8px;margin:0 0 16px}.empty{color:var(--muted);text-align:center;padding:24px;margin:0}.row{display:flex;gap:8px;align-items:center;margin-top:12px}.grow{flex:1}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}.sidebar{background:var(--side);color:var(--side-ink);display:flex;flex-direction:column;padding:20px 14px}.brand{display:flex;align-items:center;gap:10px;padding:0 6px 24px}.brand strong{display:block;color:#fff;font-size:15px}.brand small{color:var(--side-ink);font-size:12px}.brand-center{justify-content:center;padding-bottom:8px}.brand-center strong{color:var(--ink)}.brand-mark{width:34px;height:34px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700}.sidebar nav{display:flex;flex-direction:column;gap:2px}.sidebar nav a{color:var(--side-ink);padding:9px 12px;border-radius:8px;font-weight:500}.sidebar nav a:hover{background:#ffffff0f;text-decoration:none}.sidebar nav a.active{background:#ffffff1a;color:#fff}.sidebar-foot{margin-top:auto;padding:0 6px;display:flex;flex-direction:column;gap:6px;font-size:13px}.sidebar-foot .link{color:var(--side-ink);justify-content:flex-start}.content{padding:28px 32px;max-width:1180px;width:100%}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px}.page-head .row{margin:0}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px;display:block}.card-alert{border-color:#f1c9c5}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-2>.card{margin-bottom:16px}.grid-2 input{margin-top:10px}.grid-2 .row input{margin-top:0}.code-input{max-width:110px;text-transform:uppercase;letter-spacing:3px;font-weight:600}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:0 10px 10px;border-bottom:1px solid var(--line)}td{padding:11px 10px;border-bottom:1px solid var(--line)}tr:last-child td{border-bottom:none}td select{max-width:240px;padding:6px 10px}.status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500}.status:before{content:"";width:8px;height:8px;border-radius:50%}.status.on{color:var(--ok)}.status.on:before{background:var(--ok)}.status.off{color:var(--muted)}.status.off:before{background:#b4bcc4}.auth{min-height:100vh;display:grid;place-items:center;padding:16px}.auth-card{width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px;padding:28px}.auth-card h1{text-align:center;font-size:18px}.auth-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}.auth-card .error{margin:0}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}.media-card{padding:0;overflow:hidden;margin:0}.media-card img,.media-card video{width:100%;aspect-ratio:16 / 9;object-fit:cover;display:block;background:#0b141c}.media-card figcaption{padding:10px 12px;display:flex;flex-direction:column;gap:2px;font-size:13px;align-items:flex-start}.title-input{font-size:22px;font-weight:600;border-color:transparent;background:transparent;padding:2px 6px;margin-left:-7px}.title-input:hover{border-color:var(--line)}.items{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:8px}.item{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:8px}.item>select,.item>input{flex:1}.item-num{width:22px;color:var(--muted);font-size:13px;text-align:right}.tag{font-size:12px;font-weight:600;padding:3px 8px;border-radius:6px;min-width:116px;text-align:center}.tag-image{background:#e7effa;color:#1d4f8c}.tag-video{background:#f1e9fb;color:#5b2d8f}.tag-hls{background:#fdeee4;color:#9a4614}.tag-web{background:var(--brand-soft);color:#0a5a61}.tag-hdmi{background:#eceef0;color:#3b4651}.duration{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--muted)}.duration input{width:72px}.item-actions{display:flex;gap:4px}.item-actions button{padding:4px 9px}.add-row{display:flex;flex-wrap:wrap;gap:8px}@media(max-width:860px){.shell{grid-template-columns:1fr}.sidebar{flex-direction:row;align-items:center;gap:12px;padding:12px}.brand{padding:0}.sidebar nav{flex-direction:row}.sidebar-foot{display:none}.content{padding:20px 16px}.grid-2{grid-template-columns:1fr}.item{flex-wrap:wrap}}