.youtube-card{background:var(--surface);border:1px solid var(--surface-line);border-radius:8px;flex-direction:column;min-width:0;height:100%;transition:border-color .16s,transform .16s,box-shadow .16s;display:flex;overflow:hidden}.youtube-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 32px #0003}.youtube-card .youtube-card__poster,.youtube-card .youtube-card__frame{aspect-ratio:16/9;border:0;border-bottom:1px solid var(--surface-line);background:#090b0e;width:100%;position:relative;overflow:hidden}.youtube-card .youtube-card__poster{cursor:pointer;padding:0;display:block}.youtube-card .youtube-card__poster img{object-fit:cover;object-position:center;width:100%;height:100%;transition:transform .18s,opacity .18s;display:block}.youtube-card:hover .youtube-card__poster img{opacity:.9;transform:scale(1.025)}.youtube-card .youtube-card__shade{background:radial-gradient(circle,#0000000a,#00000047),linear-gradient(#00000005,#00000057);position:absolute;inset:0}.youtube-card .youtube-card__play{z-index:2;color:#fff;background:#ff0000e0;border:0;border-radius:14px;place-items:center;width:68px;height:48px;transition:transform .16s,background .16s,box-shadow .16s;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 8px 24px #0000004d}.youtube-card:hover .youtube-card__play{background:red;transform:translate(-50%,-50%)scale(1.04);box-shadow:0 10px 28px #0006}.youtube-card .youtube-card__triangle{border-top:10px solid #0000;border-bottom:10px solid #0000;border-left:16px solid;width:0;height:0;margin-left:4px;display:block}.youtube-card .youtube-card__duration{z-index:2;color:#fff;font-family:var(--font-mono);background:#000000c2;border-radius:3px;padding:4px 7px;font-size:.7rem;line-height:1;position:absolute;bottom:10px;right:10px}.youtube-card .youtube-card__frame iframe,.youtube-card__frame iframe{border:0;width:100%;height:100%;display:block}.youtube-card__frame{aspect-ratio:16/9;border-bottom:1px solid var(--surface-line);background:#090b0e;width:100%;position:relative;overflow:hidden}.youtube-card .youtube-card__body{flex-direction:column;flex:1;padding:18px;display:flex}.youtube-card h3{margin:0;font-size:1.02rem;line-height:1.35}.page-youtube .breadcrumb{border-bottom:1px solid var(--surface-line);padding:22px 0}.page-youtube .breadcrumb ol{font-family:var(--font-mono);color:var(--text-dim);gap:9px;margin:0;padding:0;font-size:.78rem;list-style:none;display:flex}.page-youtube .breadcrumb a:hover{color:var(--accent)}.page-youtube .kb-hero{border-bottom:1px solid var(--surface-line);padding:72px 0 56px}.page-youtube .kb-hero__inner{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:36px;display:grid}.page-youtube .kb-hero h1{margin-bottom:14px}.page-youtube .kb-hero__lede{max-width:58ch;font-size:1.02rem}.page-youtube .kb-stats{border:1px solid var(--surface-line);background:var(--surface-line);border-radius:8px;grid-template-columns:repeat(3,minmax(86px,1fr));gap:1px;display:grid;overflow:hidden}.page-youtube .kb-stats div{background:var(--surface);padding:16px 18px}.page-youtube .kb-stats strong{color:var(--accent);font-family:var(--font-display);font-size:1.55rem;line-height:1;display:block}.page-youtube .kb-stats span,.page-youtube .kb-count,.page-youtube .youtube-group__head>span{color:var(--text-dim);font-family:var(--font-mono);margin-top:5px;font-size:.72rem;display:block}.page-youtube .kb-listing{padding-top:34px}.page-youtube .kb-toolbar{grid-template-columns:minmax(240px,1fr) minmax(170px,220px) minmax(240px,360px);align-items:end;gap:14px;margin-bottom:16px;display:grid}.page-youtube .kb-search,.page-youtube .kb-select{gap:8px;display:grid}.page-youtube .kb-search span,.page-youtube .kb-select span{color:var(--text-dim);font-family:var(--font-mono);font-size:.76rem}.page-youtube .kb-search input,.page-youtube .kb-select select{width:100%;min-height:48px;color:var(--text);font:inherit;background:var(--surface);border:1px solid var(--surface-line);border-radius:8px;padding:0 14px}.page-youtube .kb-search input::placeholder{color:var(--text-dim)}.page-youtube .kb-count{margin:0 0 30px}.page-youtube .kb-empty{color:var(--text-dim);font-family:var(--font-mono);background:var(--surface);border:1px solid var(--surface-line);border-radius:8px;margin:0 0 30px;padding:24px;font-size:.84rem}.page-youtube .kb-empty[hidden]{display:none}.page-youtube .youtube-group{padding-top:8px}.page-youtube .youtube-group+.youtube-group{border-top:1px solid var(--surface-line);margin-top:54px;padding-top:54px}.page-youtube .youtube-group[hidden],.page-youtube .youtube-item[hidden]{display:none}.page-youtube .youtube-group__head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.page-youtube .youtube-group__head h2{margin-bottom:0}.page-youtube .youtube-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.page-youtube .youtube-item{min-width:0}@media (width<=980px){.page-youtube .kb-hero__inner,.page-youtube .kb-toolbar{grid-template-columns:1fr}.page-youtube .kb-stats,.page-youtube .youtube-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=680px){.page-youtube .kb-hero{padding:56px 0 42px}.page-youtube .kb-stats,.page-youtube .youtube-grid{grid-template-columns:1fr}.page-youtube .youtube-group__head{flex-direction:column;align-items:flex-start}}