/* 同時視聴：左の一覧はふだんの画面（../style.css）と同じ。ここでは右のマス目と、同時視聴だけの部分を足す */
.mv main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;padding:0}
.ttl{display:flex;align-items:center;justify-content:space-between}
.ttl h1{margin:0 0 10px}
.ttl button,.bar button{border:1px solid var(--line);background:var(--btn);color:var(--text);border-radius:5px;padding:3px 9px;font-size:12px;cursor:pointer}
.ttl button:hover,.bar button:hover{background:var(--btn-h)}
.hint{font-size:11.5px;color:var(--sub);margin-top:6px;line-height:1.4}
aside.folded{display:none}
aside.folded + .splitter{display:none}
.row .st{font-size:10.5px;white-space:nowrap;padding:1px 6px;border-radius:9px;margin-left:4px;align-self:center}
.row .st.live{background:#e0245e;color:#fff}
.row .st.up{background:#2a7de1;color:#fff}
.bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 10px;border-bottom:1px solid var(--line);background:var(--panel);font-size:12.5px}
.bar .lbl{color:var(--sub)}
.bar select{border:1px solid var(--line);border-radius:5px;background:var(--bg);color:var(--text);padding:2px 4px}
.bar .unfold{display:none}
aside.folded ~ main .bar .unfold{display:inline-block}
.bar .pre.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.bar .warn{color:#b36b00}
.bar .sp{flex:1}
.bar button:disabled{opacity:.45;cursor:default}
.grid{flex:1;display:grid;gap:4px;padding:4px;min-height:0;background:#000}
.cell{position:relative;background:#111;border:2px solid transparent;border-radius:4px;overflow:hidden;min-height:0;min-width:0;display:flex;align-items:center;justify-content:center}
.cell.sel{border-color:var(--accent)}
.cell.flash{animation:flash 1s ease-in-out 5}
@keyframes flash{0%,100%{border-color:transparent}50%{border-color:#ffcc00;box-shadow:0 0 12px #ffcc00 inset}}
.cell iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.cell .empty .big{font-size:34px;line-height:1.1;color:#cfd5dc}
.cell .empty{color:#9aa3ad;font-size:13px;text-align:center;padding:8px;cursor:pointer}
.cell .wait{color:#cfd5dc;font-size:13px;text-align:center;padding:10px;line-height:1.5}
.cell .ctl{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;gap:4px;padding:4px;background:linear-gradient(#000c,#0000);opacity:0;transition:opacity .15s;z-index:2}
.cell:hover .ctl,.cell.sel .ctl{opacity:1}
.cell .ctl .who{flex:1;color:#fff;font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}
.cell .ctl button{border:0;border-radius:4px;background:#ffffff26;color:#fff;font-size:12px;padding:3px 7px;cursor:pointer}
.cell .ctl button:hover{background:#ffffff44}
.cell .ctl button.on{background:#e0245e}
.row .slot{font-size:11px;margin-left:4px;align-self:center;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--sub);padding:0 2px;max-width:9.5em;min-width:2.6em;cursor:pointer}
.row .slot.on{color:#fff;background:var(--accent);border-color:var(--accent);font-weight:600}
.cell .num{position:absolute;left:4px;top:4px;z-index:3;background:#000a;color:#fff;font-size:16px;line-height:1;text-align:center;padding:3px 4px;border-radius:9px;pointer-events:none}
.cell:hover .num,.cell.sel .num{display:none}
.cell .ctl select.pos{border:0;border-radius:4px;background:#ffffff26;color:#fff;font-size:12px;padding:2px 2px;cursor:pointer}
.cell .ctl select.pos option{color:#000}
.toast{position:absolute;right:12px;bottom:12px;background:#000d;color:#fff;font-size:13px;padding:8px 12px;border-radius:6px;opacity:0;transition:opacity .2s;pointer-events:none;max-width:60%}
.toast.show{opacity:1}
@media (max-width:760px){
  .mv{flex-direction:column;height:auto;min-height:100vh}
  .mv aside{width:auto;max-height:45vh;border-right:0;border-bottom:1px solid var(--line)}
  .grid{grid-template-columns:1fr !important;grid-template-rows:none !important}
  .cell{aspect-ratio:16/9}
}
/* URL の入力 */
.cell .ebtn{margin-top:10px}
.cell .ebtn button{border:1px solid #ffffff55;background:#ffffff1a;color:#fff;border-radius:5px;padding:5px 12px;font-size:12.5px;cursor:pointer}
.cell .ebtn button:hover{background:#ffffff33}
.cell .ctl a.open{color:#fff;text-decoration:none;background:#ffffff26;border-radius:4px;padding:3px 7px;font-size:12px}
.cell .endbar{position:absolute;left:0;right:0;bottom:0;z-index:3;background:#000d;color:#fff;font-size:12.5px;padding:6px 10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.cell .endbar a{color:#9cd0ff}
.cell .endbar button{border:0;border-radius:4px;background:#ffffff33;color:#fff;font-size:12px;padding:3px 8px;cursor:pointer}
.urldlg{border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);padding:16px 18px;width:min(560px,92vw)}
.urldlg::backdrop{background:#0009}
.urldlg h2{margin:0 0 10px;font-size:16px}
.urldlg input{width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:5px;background:var(--bg);color:var(--text);padding:7px 9px;font-size:14px}
.urldlg .err{color:#d33;font-size:12.5px;min-height:1.2em;margin:6px 0}
.urldlg .sites{font-size:12px;color:var(--sub);line-height:1.5;margin:4px 0 12px}
.urldlg .acts{display:flex;justify-content:flex-end;gap:8px}
.urldlg .acts button{border:1px solid var(--line);background:var(--btn);color:var(--text);border-radius:5px;padding:5px 14px;cursor:pointer}
.urldlg .acts button.ok{background:var(--accent);border-color:var(--accent);color:#fff}
.cell .wait a.openlink{display:inline-block;margin-top:8px;color:#9cd0ff}
/* チャット（マスの右側） */
.cell.withchat > iframe:not(.chat){right:auto;width:66%}
.cell iframe.chat{position:absolute;top:0;bottom:0;right:0;left:auto;width:34%;height:100%;border:0;border-left:1px solid #333;background:#fff}
.cell.withchat .ctl{right:34%}