:root{color:#172019;background:#f7f8f5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button{font:inherit}.app-shell{min-height:100vh;padding:32px}.workspace{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:24px;max-width:1180px;margin:0 auto}.video-list,.player-panel{min-width:0}.section-heading,.player-heading{margin-bottom:18px}.section-heading h1,.player-heading h2{margin:0;letter-spacing:0}.section-heading h1{font-size:30px;line-height:1.1}.player-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.player-heading h2{font-size:24px;line-height:1.2}.eyebrow{margin:0 0 6px;color:#657163;font-size:12px;font-weight:700;letter-spacing:0;text-transform:uppercase}.map-lanes{display:grid;gap:10px}.video-card{display:grid;width:100%;min-height:88px;padding:14px;border:1px solid #c8d0c5;border-radius:8px;background:#fff;color:#172019;text-align:left;cursor:pointer}.video-card:hover,.video-card:focus-visible{border-color:#287d5a;outline:none}.video-card.is-selected{border-color:#1d6b4c;background:#eef8f2}.video-title{align-self:end;font-size:16px;font-weight:750;line-height:1.25}.video-details{align-self:end;color:#657163;font-size:13px;line-height:1.35}.duration{flex:0 0 auto;padding:6px 8px;border:1px solid #c8d0c5;border-radius:6px;background:#fff;color:#304235;font-size:13px;font-weight:700}.video-player{display:block;width:100%;aspect-ratio:16 / 9;border-radius:8px;background:#101410}.video-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0 0}.video-meta div{min-width:0;padding-top:12px;border-top:1px solid #c8d0c5}.video-meta dt{margin-bottom:4px;color:#657163;font-size:12px;font-weight:700}.video-meta dd{margin:0;overflow-wrap:anywhere;font-size:14px;line-height:1.45}@media(max-width:760px){.app-shell{padding:18px}.workspace,.player-heading,.video-meta{grid-template-columns:1fr}.player-heading{display:grid}.duration{justify-self:start}}