*{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden;background:#000;color:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{position:fixed;inset:0}button,input,select{font:inherit}#app{position:fixed;inset:0;touch-action:manipulation}
#videoLayer,#playerHost{position:absolute;inset:0;width:100%;height:100%;overflow:hidden;background:#000;z-index:1}#ytFrame{position:absolute;border:0;display:block;background:#000}
.fit-contain #ytFrame{width:min(100vw,177.7778vh);height:min(56.25vw,100vh);left:50%;top:50%;transform:translate(-50%,-50%)}
.fit-cover #ytFrame{width:max(100vw,177.7778vh);height:max(56.25vw,100vh);left:50%;top:50%;transform:translate(-50%,-50%)}
#empty{position:absolute;inset:0;display:grid;place-content:center;gap:14px;text-align:center;background:#000;z-index:2}.play{font-size:64px}#empty button{justify-self:center;padding:10px 16px;border-radius:12px;border:0}
#chat{position:absolute;top:10px;right:10px;width:30vw;height:40vh;min-width:210px;min-height:160px;border:1px solid rgba(255,255,255,.16);border-radius:16px;overflow:hidden;background:rgba(0,0,0,.34);box-shadow:0 8px 24px rgba(0,0,0,.28);z-index:20;display:flex;flex-direction:column}
#handle{display:flex;justify-content:space-between;align-items:center;padding:7px 9px;font-size:12px;font-weight:700;background:rgba(0,0,0,.15);touch-action:none;user-select:none}#hideChat{width:26px;height:26px;border-radius:50%;border:0;color:#fff;background:rgba(255,255,255,.12)}
#status{padding:5px 9px;font-size:11px;opacity:.72;text-shadow:0 1px 2px #000}#messages{flex:1;overflow:auto;padding:3px 9px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}#messages::-webkit-scrollbar{display:none;width:0;height:0}
.msg{display:flex;gap:6px;margin:6px 0;align-items:flex-start}.avatar{width:22px;height:22px;border-radius:50%;object-fit:cover;background:rgba(255,255,255,.12);flex:0 0 22px}.txt{font-size:15px;line-height:1.3;text-shadow:0 1px 2px #000;overflow-wrap:anywhere}.author{font-size:10px;font-weight:700;opacity:.70;margin-bottom:1px}
#controls{position:absolute;left:50%;bottom:max(10px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:7px;padding:7px;border-radius:999px;background:rgba(0,0,0,.48);border:1px solid rgba(255,255,255,.14);z-index:30;transition:opacity .2s}#controls.hidden{opacity:0;pointer-events:none}#controls button{border:0;border-radius:999px;padding:8px 11px;color:#fff;background:rgba(255,255,255,.1);white-space:nowrap}
dialog{width:min(92vw,560px);border:0;background:transparent;padding:0}dialog::backdrop{background:rgba(0,0,0,.58)}.card{background:#fff;color:#111;border-radius:18px;padding:18px}.card h2{margin:0 0 8px}.hint{font-size:13px;color:#666;margin:0 0 12px}.card label{display:grid;gap:7px;margin:13px 0;font-weight:600}.card input[type=password],.card input:not([type]){padding:11px 12px;border:1px solid #bbb;border-radius:10px;width:100%}.check{display:flex!important;align-items:center;gap:9px!important}.quick,.actions{display:flex;gap:8px;flex-wrap:wrap}.quick{margin-top:9px}.actions{justify-content:flex-end;margin-top:17px}.actions button,.quick button,#resetPos{border:0;border-radius:10px;padding:9px 12px}.substatus{min-height:20px;margin-top:8px;font-size:12px;color:#555}.apiState{padding:9px 10px;border-radius:10px;background:#f3f3f3;font-size:13px}
body.lite #chat{box-shadow:none}body.lite .txt{text-shadow:0 1px 1px #000}
:fullscreen #chat,:-webkit-full-screen #chat{z-index:50}:fullscreen #controls,:-webkit-full-screen #controls{z-index:60}
@media(max-width:800px){#controls button{padding:7px 9px;font-size:13px}#chat{min-width:190px}}


/* v2.2 iPad/PWA tuning */
@supports (-webkit-touch-callout: none){
  html,body,#app{
    width:100%;
    height:100%;
    min-height:100dvh;
  }
}