.channel-screen{width:1024px;height:576px;position:relative;background:#151329;color:#f0eaff;font:18px/1.4 'Segoe UI',sans-serif;overflow:hidden;text-align:left}
.channel-status{margin:0;padding:24px;color:#d6c4e9}.channel-grid{height:100%;overflow:auto;overscroll-behavior:contain;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:max-content;gap:16px;padding:18px;align-content:start}
.channel-card{white-space:normal;padding:0;overflow:hidden;text-align:left;background:#2b213e;border-radius:12px;min-width:0}.channel-card:hover{border-color:#d9f76a}.channel-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}.channel-card span{display:block;padding:10px 12px;font-size:18px;font-weight:600;line-height:1.3}
.channel-video{position:absolute;inset:0;background:#000}.channel-video iframe{width:100%;height:100%;border:0;display:block}
.lesson-screen-actions{display:flex;gap:6px;flex-wrap:wrap}.lesson-screen-actions button{background:#211637ee;border-color:#b894e1;color:#f0eaff;font-weight:600}.lesson-world{color:#d9f76a!important}
body.lesson-screen-focused .toys,body.lesson-screen-focused .hint,body.lesson-screen-focused .live-caption,body.lesson-screen-focused details{display:none!important}
.toy-lessons[aria-pressed=true]{border-color:#d9f76a}
@media(max-width:680px){.lesson-screen-actions{gap:4px}.lesson-screen-actions button{min-height:30px;padding:5px 8px;font-size:10px}.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.channel-card span{font-size:28px;padding:14px}.channel-status{font-size:28px}}