:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#152033;background:#f5f7fb;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}button,input{font:inherit}button{border:0}.admin-shell{display:grid;grid-template-columns:minmax(280px,340px) 1fr;min-height:100%;background:#f5f7fb}.playlist-panel{display:flex;flex-direction:column;gap:18px;min-height:100vh;padding:22px;border-right:1px solid #dbe2ee;background:#fff}.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.panel-header h1{margin:0;font-size:22px;line-height:1.15;letter-spacing:0}.panel-header p{margin:7px 0 0;color:#64748b;font-size:13px}.file-button{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:64px;height:36px;border-radius:6px;background:#1769e0;color:#fff;font-size:14px;font-weight:700;cursor:pointer}.file-button input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.playlist-list{display:flex;flex-direction:column;gap:8px;overflow:auto}.playlist-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;min-height:58px;padding:10px 12px;border:1px solid #dbe2ee;border-radius:8px;background:#fff;color:#152033;text-align:left;cursor:pointer}.playlist-item:hover{border-color:#a9b8cf}.playlist-item.active{border-color:#1769e0;background:#eef5ff}.item-title{min-width:0;overflow:hidden;font-size:14px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.item-meta{display:inline-flex;align-items:center;gap:10px;color:#64748b;font-size:12px}.item-meta label{display:inline-flex;align-items:center;gap:5px;cursor:pointer}.remove-item{height:28px;padding:0 8px;border-radius:5px;background:#f1f5f9;color:#64748b;font-size:12px;font-weight:700;cursor:pointer}.remove-item:hover{background:#fee2e2;color:#b42318}.empty-list{padding:18px;border:1px dashed #b8c4d6;border-radius:8px;color:#64748b;font-size:14px;line-height:1.45}.stage{display:grid;grid-template-rows:auto minmax(320px,1fr) auto auto;gap:18px;min-width:0;padding:22px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar strong{display:block;max-width:min(68vw,900px);overflow:hidden;font-size:18px;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.topbar span{display:block;margin-top:3px;color:#64748b;font-size:13px}.viewer-count{min-width:116px;padding:10px 12px;border:1px solid #dbe2ee;border-radius:8px;background:#fff;color:#64748b;font-size:13px;text-align:right}.viewer-count span{display:block;margin:0;color:#152033;font-size:24px;font-weight:800;line-height:1}.preview-frame{display:grid;place-items:center;min-height:320px;border:1px solid #cfd8e6;border-radius:8px;background:#05070b;overflow:hidden}.preview-frame.black{background:#000}.preview-video{width:100%;height:100%;max-height:calc(100vh - 210px);object-fit:contain;background:#000}.decoder-video{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.transport{display:grid;gap:12px;padding:16px;border:1px solid #dbe2ee;border-radius:8px;background:#fff}.seek{width:100%}.transport-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.buttons{display:flex;gap:8px}.buttons button{min-width:72px;height:38px;border-radius:6px;background:#e7edf6;color:#152033;font-size:14px;font-weight:800;cursor:pointer}.buttons button:first-child{background:#13a66b;color:#fff}.buttons button:disabled{opacity:.45;cursor:not-allowed}.position{min-width:118px;color:#46566d;font-variant-numeric:tabular-nums;font-size:14px}.volume{display:inline-flex;align-items:center;gap:10px;color:#46566d;font-size:13px}.volume input{width:140px}.status{margin-left:auto;padding:5px 9px;border-radius:999px;background:#e7edf6;color:#46566d;font-size:12px;font-weight:800;text-transform:uppercase}.status[data-status=playing]{background:#dcfce7;color:#137346}.status[data-status=stopped]{background:#eef2f7;color:#111827}.error{margin:0;color:#b42318;font-size:14px}.source-note{margin:0;color:#64748b;font-size:12px}.viewer-video{display:block;width:100vw;height:100vh;background:#000;object-fit:contain}@media(max-width:760px){.admin-shell{grid-template-columns:1fr}.playlist-panel{min-height:auto;border-right:0;border-bottom:1px solid #dbe2ee}.stage{grid-template-rows:auto minmax(240px,46vh) auto auto;padding:16px}.topbar{align-items:flex-start;flex-direction:column}.viewer-count{text-align:left}.status{margin-left:0}}