/* YouTube-style frame: left sidebar on desktop + home layout. Stage 2, 2026-11-08. Phones unchanged. */
.ytside,.yt-burger{display:none}
@media (min-width:1100px){
  :root{--ytside-w:232px}
  .ytside-mini{--ytside-w:76px}
  .has-ytside .yt-burger{display:grid;place-items:center;width:40px;height:40px;margin-right:6px;border:0;border-radius:50%;background:transparent;color:#f1f1f1;cursor:pointer;flex:none}
  .has-ytside .yt-burger:hover{background:#272727}
  .has-ytside .yt-burger .ico{width:22px;height:22px}
  .has-ytside .ytside{display:block;position:fixed;z-index:40;left:0;top:var(--ps-head,64px);bottom:0;width:var(--ytside-w);overflow-y:auto;padding:8px 10px 24px;background:#0f0f0f;scrollbar-width:thin;scrollbar-color:#3f3f3f transparent}
  .has-ytside main,.has-ytside .ft{margin-left:var(--ytside-w)}
  .has-ytside .vr-nav{display:none}
  .has-ytside .hd{background:#0f0f0f}
  .yts-sec{padding:6px 0 10px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:6px}
  .yts-sec:last-child{border-bottom:0}
  .yts-sec h4{margin:6px 12px 6px;font-size:15px;font-weight:700;color:#f1f1f1}
  .yts-i{display:flex;align-items:center;gap:22px;height:40px;padding:0 12px;border-radius:10px;color:#f1f1f1;text-decoration:none;font-size:14px;white-space:nowrap;overflow:hidden}
  .yts-i:hover{background:#272727}
  .yts-i.on{background:#272727;font-weight:600}
  .yts-i .ico{width:22px;height:22px;flex:none}
  .yts-i span{overflow:hidden;text-overflow:ellipsis}
  .yts-cr img{width:24px;height:24px;border-radius:50%;object-fit:cover;flex:none}
  /* collapsed: icon rail like YouTube's mini guide */
  .ytside-mini .yts-full{display:none}
  .ytside-mini .yts-sec{border-bottom:0;padding:0}
  .ytside-mini .yts-i{flex-direction:column;justify-content:center;gap:4px;height:72px;padding:0;font-size:10px}
  .ytside-mini .yts-i span{max-width:64px}
}
/* home */
.ythome.page-top{padding-top:calc(var(--ps-head,64px) + 4px)}
.ythome-chips{position:sticky;top:var(--ps-head,64px);z-index:5;margin:0 0 6px;padding:12px 0;background:#0f0f0f;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.ythome-chips::-webkit-scrollbar{display:none}
.ythome-chips a{flex:none}
.ythome-grid{padding-top:10px}