:root{--bg:#0f1720;--bg2:#17212c;--bg3:#202d3b;--line:#2b3a4a;--tx:#e8eef5;--tx2:#93a4b6;--ac:#3ea6ff;--ac2:#1d6fb8;--ok:#3ddc97;--warn:#ffb84d;--bad:#ff5d6c;--r:16px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--tx);font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overscroll-behavior:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:var(--bg3);border-radius:12px;padding:10px 16px;transition:background .15s,transform .05s}
button:hover{background:#2a3a4c}button:active{transform:scale(.97)}
button.pri{background:var(--ac2);color:#fff;font-weight:600}button.pri:hover{background:var(--ac)}
button.danger{background:var(--bad);color:#fff}button.ghost{background:transparent;border:1px solid var(--line)}
button:disabled{opacity:.5;cursor:default}
input,select{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:11px 14px;width:100%;outline:none}
input:focus,select:focus{border-color:var(--ac)}
label{display:block;font-size:13px;color:var(--tx2);margin:12px 0 5px}
#app{min-height:100%;display:flex;flex-direction:column}
.center{margin:auto;width:100%;max-width:440px;padding:24px 16px calc(24px + var(--safe-b))}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:22px;margin-bottom:18px}
.logo svg{width:34px;height:34px}
h1{font-size:20px;margin:0 0 6px}h2{font-size:16px;margin:0 0 8px}
.muted{color:var(--tx2);font-size:14px}.err{color:var(--bad);font-size:14px;min-height:20px;margin-top:8px}
.row{display:flex;gap:10px;align-items:center}.row>*{flex:1}.row>button{flex:none}
.stack>*+*{margin-top:12px}
.rooms{list-style:none;padding:0;margin:8px 0 0}
.rooms li{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:12px;background:var(--bg3);margin-top:8px;cursor:pointer}
.rooms li:hover{background:#2a3a4c}.rooms small{color:var(--tx2)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(10px + var(--safe-t)) 14px 10px;gap:8px}
.topbar .t{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar .sub{font-size:12px;color:var(--tx2)}
/* лобі */
.meter{height:8px;background:var(--bg3);border-radius:6px;overflow:hidden;margin-top:8px}
.meter i{display:block;height:100%;width:0;background:var(--ok);transition:width .08s}
.people{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chip{background:var(--bg3);border-radius:20px;padding:3px 10px;font-size:13px}
/* кімната */
.stage{flex:1;display:flex;flex-wrap:wrap;gap:12px;padding:8px 14px;justify-content:center;align-content:center;overflow:auto}
.tile{flex:0 1 clamp(150px,22vw,300px);position:relative;background:var(--bg2);border:2px solid transparent;border-radius:var(--r);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;flex-direction:column;transition:border-color .12s,box-shadow .12s;min-height:120px}
.tile.sp{border-color:var(--ok);box-shadow:0 0 0 4px #3ddc9733}
.av{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;color:#fff}
.tile .nm{position:absolute;left:10px;bottom:8px;right:44px;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 1px 3px #000a}
.tile .mu{position:absolute;right:10px;top:10px;font-size:15px;opacity:.9}
.tile .q{position:absolute;right:10px;bottom:10px;display:flex;gap:2px;align-items:flex-end;height:14px}
.q b{width:4px;background:#ffffff40;border-radius:1px}.q b.on{background:var(--ok)}.q.w b.on{background:var(--warn)}.q.b b.on{background:var(--bad)}
.tile .vol{position:absolute;left:8px;right:8px;top:8px;display:none}
.tile:hover .vol,.tile.showvol .vol{display:block}.vol input{padding:0;height:20px;accent-color:var(--ac)}
.bar{display:flex;justify-content:center;gap:10px;padding:12px 14px calc(14px + var(--safe-b));flex-wrap:wrap}
.bar button{width:56px;height:56px;border-radius:50%;padding:0;font-size:22px;display:flex;align-items:center;justify-content:center;position:relative}
.bar button.off{background:var(--bad)}.bar button.leave{background:var(--bad);width:76px;border-radius:28px}
.bar .badge{position:absolute;top:2px;right:2px;background:var(--ac);color:#fff;border-radius:10px;font-size:11px;padding:1px 6px}
.banner{background:var(--warn);color:#201500;text-align:center;padding:8px 14px;font-size:14px;font-weight:600}
.banner.bad{background:var(--bad);color:#fff}
.panel{position:fixed;inset:0 0 0 auto;width:min(360px,100%);background:var(--bg2);border-left:1px solid var(--line);display:flex;flex-direction:column;z-index:20;padding-top:var(--safe-t)}
.panel header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);font-weight:600}
.panel .body{flex:1;overflow:auto;padding:12px 14px}
.msg{margin-bottom:10px}.msg b{font-size:13px;color:var(--ac)}.msg div{white-space:pre-wrap;word-break:break-word}
.panel form{display:flex;gap:8px;padding:10px 14px calc(10px + var(--safe-b));border-top:1px solid var(--line)}
.modal{position:fixed;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:30;padding:16px}
.modal .card{width:100%;max-width:420px;max-height:92vh;overflow:auto}
.hint{background:var(--bg3);border-radius:12px;padding:10px 12px;font-size:13px;color:var(--tx2);margin-top:12px}
#toast{position:fixed;left:50%;bottom:calc(96px + var(--safe-b));transform:translateX(-50%);background:#000c;padding:9px 16px;border-radius:20px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:40;max-width:90%}
#toast.on{opacity:1}
@media (max-width:520px){.stage{gap:8px}.tile{flex:0 1 calc(50% - 4px)}.av{width:52px;height:52px;font-size:22px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}