:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f7f2;--panel:#fff;--panel-soft:#eef5f4;--ink:#17211c;--muted:#66726d;--line:#dce4df;--accent:#0f766e;--accent-strong:#0b5f59;--blue:#2563eb;--amber:#b45309;--shadow:0 20px 50px #17211c14}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:linear-gradient(180deg, #eef5f4db, #f6f7f200 280px), var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.app-shell{width:min(1480px,100% - 32px);margin:0 auto;padding:24px 0 32px}.app-shell.centered{place-items:center;min-height:100vh;display:grid}.app-header{justify-content:space-between;align-items:end;gap:24px;padding:10px 0 18px;display:flex}.eyebrow{color:var(--accent);letter-spacing:0;text-transform:uppercase;margin:0 0 4px;font-size:.8rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;margin-bottom:0;font-size:4.2rem;line-height:.95}h2{letter-spacing:0;margin-bottom:4px;font-size:1.15rem}h3{margin-bottom:12px;font-size:1rem}.stats-strip{grid-template-columns:repeat(3,minmax(96px,1fr));gap:8px;min-width:min(520px,100%);display:grid}.stat{border:1px solid var(--line);background:#ffffffb8;border-radius:8px;padding:12px 14px}.stat span{color:var(--muted);font-size:.78rem;display:block}.stat strong{margin-top:3px;font-size:1.12rem;display:block}.tabs{border-bottom:1px solid var(--line);gap:6px;padding-bottom:8px;display:flex;overflow-x:auto}.tabs button{min-height:38px;color:var(--muted);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:7px;padding:8px 12px;display:inline-flex}.tabs button.active{border-color:var(--accent);color:var(--accent-strong);background:#e7f3f1;font-weight:800}.workspace{grid-template-columns:minmax(0,1fr) minmax(300px,370px);align-items:start;gap:18px;padding-top:18px;display:grid}.primary-column{min-width:0}.view-panel,.channel-videos,.month-videos,.channel-browser,.years-browser,.detail-panel{border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);border-radius:8px}.view-panel,.channel-videos,.month-videos{padding:14px}.panel-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;display:flex}.panel-toolbar p{color:var(--muted);margin-bottom:0;font-size:.88rem}.page-controls{white-space:nowrap;align-items:center;gap:8px;display:inline-flex}.page-controls button{border:1px solid var(--line);width:34px;height:34px;color:var(--ink);background:#fff;border-radius:8px;place-items:center;display:inline-grid}.page-controls button:disabled{opacity:.38}.page-controls span{min-width:72px;color:var(--muted);text-align:center;font-size:.86rem}.video-scroll{height:min(68vh,760px);padding-right:4px;overflow:auto}.video-virtual-space{width:100%;position:relative}.video-virtual-row{width:100%;padding-bottom:8px;position:absolute;top:0;left:0}.video-card{border:1px solid var(--line);width:100%;min-height:112px;color:inherit;text-align:left;background:#fff;border-radius:8px;grid-template-columns:160px minmax(0,1fr);gap:12px;padding:10px;transition:border-color .16s,background .16s,transform .16s;display:grid}.video-card:hover,.video-card.selected{background:#f8fcfb;border-color:#0f766e94}.video-card:hover{transform:translateY(-1px)}.video-thumb,.detail-image{aspect-ratio:16/9;object-fit:cover;background:#dde5e0;border-radius:6px;width:100%;height:auto;display:block}.video-card-body{align-content:center;gap:6px;min-width:0;display:grid}.video-card-body strong{-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.25;display:-webkit-box;overflow:hidden}.video-card-body span{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;overflow:hidden}.video-meta{align-items:center;gap:7px;display:flex}.detail-panel{position:sticky;top:18px;overflow:hidden}.detail-panel.neutral{min-height:220px;color:var(--muted);text-align:center;place-items:center;padding:24px;display:grid}.detail-content{padding:16px}.detail-channel{color:var(--accent);margin-bottom:6px;font-weight:800}.detail-content h2{font-size:1.22rem;line-height:1.25}.detail-grid{gap:10px;margin:16px 0;display:grid}.detail-grid div{border-top:1px solid var(--line);grid-template-columns:96px minmax(0,1fr);gap:10px;padding-top:10px;display:grid}.detail-grid dt{color:var(--muted);font-size:.82rem}.detail-grid dd{overflow-wrap:anywhere;min-width:0;margin:0}.primary-link{background:var(--accent);color:#fff;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:40px;font-weight:800;text-decoration:none;display:inline-flex}.split-view{grid-template-columns:minmax(260px,340px) minmax(0,1fr);align-items:start;gap:14px;display:grid}.channel-browser,.years-browser{padding:12px}.search-field{border:1px solid var(--line);min-height:38px;color:var(--muted);background:#fff;border-radius:8px;align-items:center;gap:8px;padding:0 10px;display:flex}.search-field.large{flex:1;max-width:720px}.search-field input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:0}.channel-list{gap:6px;max-height:70vh;margin-top:10px;display:grid;overflow:auto}.channel-row{color:inherit;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:9px;display:grid}.channel-row:hover,.channel-row.selected{background:#f0f8f6;border-color:#0f766e6b}.channel-row strong,.channel-row small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.channel-row small,.channel-row b{color:var(--muted);font-size:.78rem}.years-browser{max-height:76vh;overflow:auto}.year-group{border-bottom:1px solid var(--line);padding-bottom:12px}.year-group+.year-group{padding-top:14px}.year-group h3{justify-content:space-between;align-items:center;display:flex}.year-group h3 span{color:var(--muted);font-size:.82rem}.month-grid{gap:6px;display:grid}.month-grid button{border:1px solid var(--line);color:inherit;text-align:left;background:#fff;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;display:flex}.month-grid button.selected{background:#eff6ff;border-color:#2563eb85}.month-grid small{color:var(--muted)}.search-toolbar{align-items:center}.search-status{color:var(--muted);align-items:center;gap:6px;font-size:.88rem;display:inline-flex}.loading-state,.empty-state{border:1px dashed var(--line);min-height:180px;color:var(--muted);border-radius:8px;justify-content:center;align-items:center;display:flex}.loading-state{gap:8px}.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:1120px){.workspace{grid-template-columns:1fr}.detail-panel{position:static}}@media (max-width:760px){.app-shell{width:min(100% - 20px,1480px);padding-top:12px}.app-header,.panel-toolbar{flex-direction:column;align-items:stretch}h1{font-size:2.5rem}.stats-strip,.split-view{grid-template-columns:1fr}.video-card{grid-template-columns:112px minmax(0,1fr);min-height:92px}.video-card-body span{font-size:.78rem}}