:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f3f0e8;--panel:#ffffffd6;--panel-strong:#fff;--panel-soft:#eef5f4;--ink:#17211c;--muted:#64706a;--line:#1a241f1a;--accent:#0f766e;--accent-strong:#0b5f59;--accent-soft:#0f766e1f;--blue:#2563eb;--amber:#b45309;--shadow:0 24px 70px #17211c1a}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:radial-gradient(circle at top left, #0f766e1f, transparent 34%), radial-gradient(circle at top right, #2563eb14, transparent 28%), linear-gradient(180deg, #ffffffb8, #f3f0e800 280px), var(--bg);color:var(--ink);font-family:Trebuchet MS,Segoe UI,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,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}.hero-panel{border:1px solid var(--line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:radial-gradient(circle at 0 0,#0f766e29,#0000 32%),radial-gradient(circle at 100% 0,#2563eb1f,#0000 26%),linear-gradient(135deg,#ffffffe6,#ffffffc2);border-radius:24px;margin-top:10px;padding:24px;position:relative;overflow:hidden}.hero-panel:after{content:"";pointer-events:none;background:radial-gradient(circle,#0f766e1a,#0000 70%);border-radius:50%;width:340px;height:340px;position:absolute;inset:auto -10% -30% auto}.hero-copy{max-width:720px}.hero-text{max-width:58ch;color:var(--muted);margin:14px 0 0;font-size:1.04rem;line-height:1.6}.hero-actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.search-prompt{min-height:58px;color:var(--ink);text-align:left;background:linear-gradient(#fffffffa,#f5f8f7f2);border:1px solid #0f766e29;border-radius:18px;align-items:center;gap:12px;padding:12px 16px;display:inline-flex;box-shadow:0 12px 26px #17211c12}.search-prompt:hover{border-color:#0f766e47;transform:translateY(-1px)}.search-prompt-icon{width:34px;height:34px;color:var(--accent-strong);background:#0f766e1f;border-radius:12px;flex:none;place-items:center;display:inline-grid}.search-prompt-copy{gap:2px;display:grid}.search-prompt-copy strong{font-size:.98rem}.search-prompt-copy span{color:var(--muted);font-size:.88rem}.hero-pills{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.hero-pills span{background:linear-gradient(180deg, #fffffffa, #f5f8f7eb), var(--accent-soft);color:var(--accent-strong);border:1px solid #0f766e24;border-radius:999px;padding:8px 12px;font-size:.82rem;font-weight:700;box-shadow:0 10px 18px #17211c0d}.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:clamp(3rem,7vw,5rem);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{background:linear-gradient(#ffffffeb,#f4f8f7f5);border:1px solid #0f766e1f;border-radius:16px;padding:14px 16px;box-shadow:0 10px 30px #17211c0a}.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:6px 0 12px;display:flex;overflow-x:auto}.tabs button:first-child{color:var(--accent-strong);background:#0f766e14;border-color:#0f766e1f}.tabs button{min-height:40px;color:var(--muted);white-space:nowrap;background:#ffffff7a;border:1px solid #0000;border-radius:999px;align-items:center;gap:7px;padding:8px 12px;display:inline-flex;position:relative;box-shadow:0 8px 20px #17211c0a}.tabs button.active{color:var(--accent-strong);background:linear-gradient(#0f766e24,#0f766e14);border-color:#0f766e33;font-weight:800}.tabs button.active:after{content:"";border-radius:inherit;pointer-events:none;position:absolute;inset:0;box-shadow:inset 0 0 0 1px #0f766e29}.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{background:var(--panel);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid #0f766e1a;border-radius:20px}.view-panel,.channel-videos,.month-videos{padding:14px}.explore-view{padding:16px}.explore-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.explore-card{min-height:210px;color:inherit;text-align:left;background:linear-gradient(#fffffff0,#f5f8f7f5),radial-gradient(circle at 100% 0,#0f766e14,#0000 32%);border:1px solid #0f766e1f;border-radius:18px;align-content:start;gap:10px;padding:18px;transition:transform .16s,box-shadow .16s,border-color .16s;display:grid;box-shadow:0 16px 36px #17211c0f}.explore-card:hover,.explore-card:focus-visible{border-color:#0f766e47;transform:translateY(-2px);box-shadow:0 22px 40px #17211c14}.explore-card-kicker{color:var(--accent);letter-spacing:.01em;text-transform:uppercase;font-size:.8rem;font-weight:800}.explore-card strong{font-size:1.08rem;line-height:1.2}.explore-card p{color:var(--muted);margin-bottom:0;line-height:1.55}.explore-card-action{color:var(--accent-strong);font-size:.92rem;font-weight:800}.explore-note{color:var(--muted);background:#0f766e0f;border:1px solid #0f766e1f;border-radius:16px;margin-top:14px;padding:14px 16px;font-size:.92rem}.explore-rail{background:linear-gradient(#ffffffe6,#f5f8f7f2),#0f766e0a;border:1px solid #0f766e1f;border-radius:20px;margin-top:14px;padding:16px;box-shadow:0 16px 36px #17211c0d}.explore-rail-head{gap:4px;margin-bottom:12px;display:grid}.explore-rail-head h3{margin-bottom:0}.explore-rail-head p{color:var(--muted);margin-bottom:0;font-size:.88rem}.explore-channel-pills{flex-wrap:wrap;gap:10px;display:flex}.explore-channel-pill{max-width:100%;min-height:54px;color:var(--ink);text-align:left;background:linear-gradient(#fffffffa,#f4f8f7f2),#0f766e0d;border:1px solid #0f766e26;border-radius:999px;align-items:center;gap:10px;padding:9px 14px 9px 10px;transition:transform .16s,border-color .16s,box-shadow .16s,background .16s;display:inline-flex;box-shadow:0 10px 22px #17211c0d}.explore-channel-pill:hover,.explore-channel-pill:focus-visible{border-color:#0f766e52;transform:translateY(-1px);box-shadow:0 16px 28px #17211c14}.explore-channel-pill-copy{gap:2px;min-width:0;display:grid}.explore-channel-pill-copy strong,.explore-channel-pill-copy span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.explore-channel-pill-copy strong{font-size:.92rem;line-height:1.15}.explore-channel-pill-copy span{color:var(--muted);font-size:.78rem}.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:linear-gradient(#fffffffa,#f6f9f7f5);border-radius:14px;grid-template-columns:160px minmax(0,1fr);gap:12px;padding:10px;transition:box-shadow .16s,border-color .16s,background .16s,transform .16s;display:grid;overflow:hidden;box-shadow:inset 0 1px #fffc}.video-card:hover,.video-card.selected{background:radial-gradient(circle at 100% 0,#0f766e14,#0000 28%),linear-gradient(#f5fcfbfa,#eef7f6fa);border-color:#0f766e80;box-shadow:0 14px 30px #0f171314,inset 0 0 0 1px #0f766e14}.video-card:hover{transform:translateY(-2px)}.video-card:focus-visible{outline-offset:2px;outline:3px solid #2563eb47}.video-thumb-wrap{display:block;position:relative}.video-thumb-wrap:after{content:"";pointer-events:none;background:linear-gradient(#070a090a,#070a092e);border-radius:10px;position:absolute;inset:0}.video-thumb,.detail-image{aspect-ratio:16/9;object-fit:cover;background:#dde5e0;border-radius:10px;width:100%;height:auto;display:block}.video-duration-badge,.video-channel-badge{letter-spacing:.01em;border-radius:999px;align-items:center;width:fit-content;font-size:.76rem;font-weight:800;display:inline-flex}.video-duration-badge{z-index:1;color:#fff;background:#070a09d1;min-height:24px;padding:0 8px;position:absolute;bottom:8px;right:8px}.video-card-body{align-content:start;gap:7px;min-width:0;padding:2px 2px 2px 0;display:grid}.video-channel-badge{color:var(--accent-strong);background:#e7f3f1;padding:4px 8px}.video-card-body strong{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.98rem;line-height:1.22;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{white-space:normal;flex-wrap:wrap;align-items:center;gap:7px;line-height:1.25;display:flex}.detail-panel{background:radial-gradient(circle at top right, #2563eb14, transparent 28%), linear-gradient(180deg, #fffffff5, #f5f8f7eb), var(--panel-strong);position:sticky;top:18px;overflow:hidden}.detail-panel:before{content:"";background:linear-gradient(90deg, var(--accent), var(--blue));height:6px;display:block}.detail-panel.neutral{min-height:220px;color:var(--muted);text-align:center;place-items:center;padding:24px;display:grid}.detail-content{padding:18px}.detail-channel{color:var(--accent-strong);background:#0f766e14;border:1px solid #0f766e24;border-radius:999px;align-items:center;gap:8px;margin-bottom:10px;padding:6px 10px;font-weight:800;display:inline-flex}.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}.detail-actions{gap:10px;display:grid}.primary-button,.secondary-link{border:1px solid #0000;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}.primary-button{border-color:var(--accent);background:linear-gradient(180deg, var(--accent), var(--accent-strong));color:#fff}.secondary-link{border-color:var(--line);color:var(--ink);background:#ffffffe6}.icon-button{border:1px solid var(--line);width:40px;height:40px;color:var(--ink);background:#fff;border-radius:999px;flex:none;place-items:center;display:inline-grid}.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:#0f766e14;border-color:#0f766e4d}.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:#ffffffe6;border-radius:12px;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;display:flex}.month-grid button.selected{background:#2563eb17;border-color:#2563eb85}.month-grid small{color:var(--muted)}.search-toolbar{align-items:center}.search-status{min-width:170px;color:var(--muted);gap:6px;font-size:.88rem;display:grid}.search-status-label{align-items:center;gap:6px;display:inline-flex}.search-status-track{background:#0f766e14;border-radius:999px;height:4px;display:block;overflow:hidden}.search-status-bar{border-radius:inherit;background:linear-gradient(90deg,#0f766e73,#2563eb8c);height:100%;transition:width .18s;display:block}.loading-state,.empty-state{min-height:180px;color:var(--muted);background:#ffffff8c;border:1px dashed #0f766e2e;border-radius:16px;justify-content:center;align-items:center;display:flex}.loading-state{gap:8px}.video-modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0b1210b8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.video-modal{color:#f5f7f6;background:#0f1412;border:1px solid #fff3;border-radius:18px;width:min(100%,1040px);overflow:hidden;box-shadow:0 30px 80px #00000073}.video-modal-header,.video-modal-footer{justify-content:space-between;align-items:center;gap:16px;padding:16px 18px;display:flex}.video-modal-header h2{margin-bottom:0;font-size:1.2rem;line-height:1.25}.video-modal-header .detail-channel{color:#7fd3c8}.video-modal-player{aspect-ratio:16/9;background:#000}.video-modal-player iframe{border:0;width:100%;height:100%;display:block}.video-modal-footer{color:#f5f7f6c2;border-top:1px solid #ffffff14}.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}.explore-grid{grid-template-columns:1fr}}@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{grid-template-columns:1fr}.hero-panel{padding:18px}.search-prompt{justify-content:flex-start;width:100%}.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}.video-channel-badge{padding:3px 7px}.video-modal-backdrop{padding:10px}.video-modal-footer,.video-modal-header{flex-direction:column;align-items:flex-start}}