:root{
  --bg:#0f1115; --panel:#171a21; --panel2:#1e222b; --line:#2a303c; --text:#e8eaef; --muted:#9aa3b2;
  --accent:#4c8dff; --accent2:#3b78e7; --ok:#35c487; --danger:#e5484d; --warn:#e9a23b;
  --r:12px; --gap:10px;
  --safe-b:env(safe-area-inset-bottom,0px);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-size:15px;line-height:1.45}
body{-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
h1,h2{margin:0;font-weight:600;letter-spacing:-.01em}
h1{font-size:22px} h2{font-size:18px}
a{color:var(--accent)}
.muted{color:var(--muted)}
.small{font-size:13px}
.err{color:#ff8a8d;min-height:1.2em;margin:0;font-size:14px}
#app{height:100%}
.view{min-height:100%}

/* формы */
label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
input[type=text],input[type=password],select,textarea{
  font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
label.check{flex-direction:row;align-items:flex-start;gap:10px;color:var(--text);cursor:pointer}
label.check input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--accent);flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;color:var(--text);
  background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:11px 16px;cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover{background:#262b36}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent2)}
.btn.sm{padding:7px 12px;font-size:14px}
.btn:disabled{opacity:.55;cursor:default}
.round{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:rgba(23,26,33,.85);color:var(--text);cursor:pointer}
.round.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.round.off{background:var(--danger);border-color:var(--danger);color:#fff}
.lnk{color:var(--muted);text-decoration:none} .lnk:hover{color:var(--text)}
.row{display:flex;gap:8px;align-items:center} .row.end{justify-content:flex-end}
.tag{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--warn);border:1px solid rgba(233,162,59,.35);border-radius:999px;padding:2px 8px}
.tag svg{width:13px;height:13px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:14px}
body[data-mode=video] [data-only=text],body[data-mode=text] [data-only=video]{display:none!important}

/* лобби */
.lobby{max-width:880px;margin:0 auto;padding:48px 16px 32px}
.brand{margin-bottom:26px} .brand h1{font-size:30px} .brand p{margin:8px 0 0;max-width:560px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.recent{display:flex;flex-direction:column;gap:6px}
.recent a{display:flex;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:8px;background:var(--panel2);color:var(--text);text-decoration:none;font-size:14px}
.recent a:hover{background:#262b36}
.recent a span{color:var(--muted)}
.foot{margin-top:22px;font-size:14px}

/* перед входом */
.prejoin{max-width:980px;margin:0 auto;padding:40px 16px;display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:start}
body[data-mode=text] .prejoin{grid-template-columns:minmax(0,440px);justify-content:center}
.pj-preview{position:relative;aspect-ratio:16/10;background:#000;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.pj-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.pj-off{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);background:#0b0d11}
.pj-tools{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:10px}
.pj-room{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.notice{max-width:460px;margin:12vh auto 0}
#v-notice{padding:0 16px}

/* комната */
.room{height:100%;min-height:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--panel)}
.tb-left,.tb-right{display:flex;align-items:center;gap:10px;min-width:0}
.tb-left h1{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.net{font-size:13px;color:var(--warn)}
.stage-wrap{flex:1;min-height:0;display:flex}
.stage{flex:1;min-width:0;position:relative;display:flex;flex-direction:column;padding:var(--gap);gap:var(--gap)}
.grid{flex:1;min-height:0;display:grid;gap:var(--gap);grid-template-columns:repeat(var(--cols,1),minmax(0,1fr));grid-auto-rows:minmax(0,1fr);align-content:center}
.strip{display:none;gap:var(--gap);overflow-x:auto;flex:none;height:120px}
.stage.spot .strip{display:flex}
.stage.spot .strip .tile{width:200px;flex:none;height:100%}
.text-only-hint{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:20px}

.tile{position:relative;background:#0b0d11;border-radius:var(--r);overflow:hidden;border:2px solid transparent;min-height:0;transition:border-color .2s}
.tile.speaking{border-color:var(--ok)}
.tile video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.tile.me video{transform:scaleX(-1)}
.tile.me.screen video,.tile.screen video,.tile.fit video{object-fit:contain;transform:none}
.tile .avatar{position:absolute;inset:0;display:none;place-items:center;background:#11141a}
.tile .avatar b{display:grid;place-items:center;width:clamp(48px,22%,110px);aspect-ratio:1;border-radius:50%;background:#2a3140;color:#cfd6e4;font-size:clamp(18px,4vw,36px);font-weight:600}
.tile.nocam .avatar{display:grid}
.tile.nocam video{opacity:0}
.tile .label{position:absolute;left:8px;bottom:8px;max-width:calc(100% - 16px);display:flex;align-items:center;gap:6px;padding:4px 9px;border-radius:8px;background:rgba(10,12,16,.72);font-size:13px}
.tile .label span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .label svg{width:15px;height:15px}
.tile .label .mic-off{color:#ff8a8d}
.tile .label .hand{color:var(--warn)}
.tile .state{position:absolute;inset:0;display:none;place-items:center;background:rgba(11,13,17,.6);color:var(--muted);font-size:14px}
.tile.connecting .state,.tile.away .state{display:grid}
.tile .pin{position:absolute;right:8px;top:8px;opacity:0;transition:opacity .15s}
.tile:hover .pin,.tile.pinned .pin{opacity:1}
.tile .pin .round{width:34px;height:34px}
.tile .pin svg{width:16px;height:16px}
.tile.pinned .pin .round{background:var(--accent);border-color:var(--accent)}
.tile .unmute{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}

/* боковая панель */
.side{width:360px;flex:none;border-left:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;min-height:0}
.side-tabs{display:flex;border-bottom:1px solid var(--line)}
.side-tabs button{flex:1;font:inherit;font-size:14px;font-weight:600;color:var(--muted);background:none;border:0;border-bottom:2px solid transparent;padding:12px 8px;cursor:pointer}
.side-tabs button.on{color:var(--text);border-bottom-color:var(--accent)}
.side-tabs .side-x{flex:0 0 48px;display:none}
.tab{flex:1;min-height:0;display:flex;flex-direction:column}
.msgs{flex:1;min-height:0;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:2px;overscroll-behavior:contain}
.msg{max-width:85%;align-self:flex-start;margin-top:8px}
.msg .who{font-size:12px;color:var(--muted);margin:0 0 3px 4px}
.msg .bub{background:var(--panel2);border-radius:14px 14px 14px 4px;padding:8px 12px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.msg .bub a{color:#8ab4ff}
.msg time{font-size:11px;color:var(--muted);margin-left:8px;float:right;margin-top:6px}
.msg.cont{margin-top:2px} .msg.cont .who{display:none}
.msg.mine{align-self:flex-end}
.msg.mine .bub{background:#22406f;border-radius:14px 14px 4px 14px}
.msg.mine .who{display:none}
.msg.pending{opacity:.6}
.sys{align-self:center;font-size:12px;color:var(--muted);margin:10px 0 2px;text-align:center}
.day{align-self:center;font-size:12px;color:var(--muted);background:var(--panel2);border-radius:999px;padding:2px 10px;margin:12px 0 4px}
.composer{display:flex;gap:8px;align-items:flex-end;padding:10px;border-top:1px solid var(--line)}
.composer textarea{resize:none;max-height:120px;border-radius:12px}
.people{list-style:none;margin:0;padding:8px;overflow-y:auto;flex:1}
.people li{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px}
.people li:hover{background:var(--panel2)}
.people .av{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#2a3140;font-size:13px;font-weight:600;flex:none}
.people .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.people .nm small{color:var(--muted);margin-left:6px}
.people .ic{display:flex;gap:6px;color:var(--muted)}
.people .ic svg{width:16px;height:16px}
.people .ic .red{color:#ff8a8d}
.people .kick{font:inherit;font-size:12px;color:#ff8a8d;background:none;border:1px solid rgba(229,72,77,.4);border-radius:8px;padding:3px 8px;cursor:pointer}
#knocks{padding:8px 8px 0}
.knock{display:flex;align-items:center;gap:8px;padding:10px;border-radius:10px;background:rgba(233,162,59,.1);border:1px solid rgba(233,162,59,.3);margin-bottom:6px}
.knock span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.owner-tools{border-top:1px solid var(--line);padding:12px;display:flex;flex-direction:column;gap:10px}
.owner-tools input{font-size:14px;padding:8px 10px}

/* кнопки управления */
.controls{display:flex;justify-content:center;gap:6px;padding:10px 10px calc(10px + var(--safe-b));border-top:1px solid var(--line);background:var(--panel)}
.ctl{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:72px;padding:8px 6px;font:inherit;font-size:12px;color:var(--text);
  background:var(--panel2);border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:background .15s}
.ctl:hover{background:#262b36}
.ctl.off{background:rgba(229,72,77,.16);border-color:rgba(229,72,77,.45);color:#ffb3b5}
.ctl.on{background:rgba(76,141,255,.18);border-color:rgba(76,141,255,.5);color:#cfe0ff}
.ctl.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.ctl:disabled{opacity:.4;cursor:default}
.badge{position:absolute;top:4px;right:10px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:#fff;font-size:11px;line-height:18px;font-style:normal}

/* диалог, тосты */
dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:0;width:min(440px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(0,0,0,.55)}
.dlg{padding:20px;display:flex;flex-direction:column;gap:14px}
.meter{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
.meter i{display:block;height:6px;background:var(--bg);border-radius:3px;overflow:hidden}
.meter b{display:block;height:100%;width:0;background:var(--ok);transition:width .1s linear}
.toasts{position:fixed;left:50%;top:14px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:50;pointer-events:none;width:min(420px,calc(100vw - 32px))}
.toast{background:#262b36;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:14px;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}

/* текстовый режим комнаты */
body[data-mode=text] .stage, .room.textonly .stage{display:none}
body[data-mode=text] .side, .room.textonly .side{display:flex!important;width:auto;flex:1;max-width:900px;margin:0 auto;border-left:0}
.room.textonly .stage-wrap{background:var(--bg)}
body[data-mode=text] .side-x,.room.textonly .side-x{display:none!important}

/* мобильные */
@media (max-width:860px){
  .cards{grid-template-columns:1fr}
  .prejoin{grid-template-columns:1fr;padding:16px}
  .lobby{padding-top:28px}
  .side{position:fixed;inset:0;width:auto;z-index:20;border-left:0}
  .side-tabs .side-x{display:block}
  .controls{gap:4px;padding:8px 6px calc(8px + var(--safe-b));justify-content:space-around}
  .ctl{min-width:0;flex:1;max-width:76px;padding:8px 2px;font-size:11px}
  .ctl span{display:none}
  .ctl svg{width:22px;height:22px}
  #c-set,#c-hand{display:none}
  .topbar{padding:8px 10px}
  #r-copy span{display:none}
  .stage{padding:6px;--gap:6px}
  .stage.spot .strip{height:90px}
  .stage.spot .strip .tile{width:120px}
  .tile .pin{opacity:1}
  .room.textonly .side,body[data-mode=text] .side{position:static}
}
@media (max-width:1px){
  .grid{grid-template-columns:repeat(var(--mcols,1),minmax(0,1fr))}
}
@media (hover:none){ #c-screen.nosupport{display:none} }
@media (prefers-reduced-motion:reduce){ *{transition:none!important} }