.video-hero h1{max-width:780px}.video-empty{text-align:center;padding:70px 20px;border:1px dashed #bfd1d5;border-radius:18px;background:#f7faf9}.video-empty>span{display:grid;place-items:center;width:58px;height:58px;margin:auto;border-radius:50%;background:var(--teal);color:#fff}.video-empty h2{font:700 28px var(--font-display);color:var(--navy);margin:14px 0 3px}.video-empty p{color:var(--muted)}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.video-card small{display:block;margin-top:13px;color:var(--teal);font-size:9px;letter-spacing:.09em;text-transform:uppercase;font-weight:800}.video-card h2{font:700 23px var(--font-display);color:var(--navy);margin:5px 0}.video-card p{font-size:12px;color:var(--muted)}.video-thumb{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:var(--navy)}.video-thumb img{width:100%;height:100%;object-fit:cover}.video-thumb>span{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:#fff;box-shadow:0 8px 25px rgba(0,0,0,.2)}.video-detail{background:#071f35;padding:35px 0 0}.video-breadcrumb{color:#a9beca}.video-player{aspect-ratio:16/9;max-height:680px;background:#000;border-radius:17px 17px 0 0;overflow:hidden}.video-player iframe{width:100%;height:100%;border:0}.video-content{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:55px;padding-top:45px;padding-bottom:90px}.video-content h1{font:700 48px/1.05 var(--font-display);color:var(--navy);margin:4px 0 18px}.video-lead{font-size:18px;color:var(--muted)}.video-description,.video-section{padding-top:25px;margin-top:25px;border-top:1px solid var(--line)}.video-description h2,.video-section h2{font:700 28px var(--font-display);color:var(--navy)}.chapter-list{display:grid;gap:7px}.chapter-list button{display:flex;gap:18px;text-align:left;padding:12px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer}.chapter-list button:hover{border-color:var(--teal)}.chapter-list span{font-weight:800;color:var(--teal)}.transcript{margin-top:30px;border:1px solid var(--line);border-radius:12px}.transcript summary{cursor:pointer;padding:16px;font-weight:800;color:var(--navy)}.transcript>div{padding:0 18px 20px;color:var(--muted)}.video-actions{align-self:start;position:sticky;top:20px;padding:24px;background:var(--cream);border-radius:14px;display:grid;gap:12px}.video-actions form,.video-actions .button{width:100%}.presentation-link{display:flex;gap:11px;padding:13px;border:1px solid #e2d8c1;border-radius:9px;background:#fff}.presentation-link>span{font-size:23px;color:var(--teal)}.presentation-link>div{display:grid;min-width:0}.presentation-link small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.related-link{font-size:11px;font-weight:800;color:var(--teal)}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:25px}.upload-grid label{display:grid;gap:8px;border:1px dashed #aec5ca;border-radius:11px;padding:20px}.upload-grid span{font-weight:800;color:var(--navy)}.upload-grid small{color:var(--muted)}.upload-grid b{color:var(--teal);font-size:11px}.topic-checks{display:flex;flex-wrap:wrap;gap:10px;padding:24px 24px 5px}.topic-checks label{padding:8px 12px;border:1px solid var(--line);border-radius:20px;font-size:11px}.chapter-editor{padding:20px 24px;display:grid;gap:8px}.chapter-editor label{display:grid;grid-template-columns:85px 90px 1fr;gap:10px;align-items:center;font-size:11px;font-weight:800}.chapter-editor input{padding:9px;border:1px solid #cbd8dc;border-radius:7px}.checkbox-field{display:flex!important;align-items:center;grid-template-columns:auto 1fr!important}.checkbox-field input{width:auto!important}@media(max-width:850px){.video-grid{grid-template-columns:1fr 1fr}.video-content{grid-template-columns:1fr}.video-actions{position:static}}@media(max-width:600px){.video-grid,.upload-grid{grid-template-columns:1fr}.video-content h1{font-size:39px}.chapter-editor label{grid-template-columns:1fr}.video-detail{padding-top:20px}}