:root{--bg:#0b1020;--bg2:#141b3a;--card:#171f3f;--card2:#1e284f;--line:rgba(255,255,255,.09);--text:#eef1ff;--mute:#9aa4cf;--a:#5ab0ff;--b:#8a5cff;--ok:#3ddc97;--bad:#ff5d6c;--shadow:0 12px 34px rgba(0,0,0,.4)}
@media (prefers-color-scheme: light){:root{--bg:#f3f5fd;--bg2:#e4e8fa;--card:#fff;--card2:#f2f4ff;--line:rgba(20,30,80,.1);--text:#121733;--mute:#5b6490;--shadow:0 10px 28px rgba(40,50,120,.14)}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{background:radial-gradient(900px 600px at 50% -10%,var(--bg2),var(--bg));background-color:var(--bg);color:var(--text);min-height:100vh;font:15px/1.4 ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;padding:0 16px calc(40px + env(safe-area-inset-bottom))}
.wrap{max-width:760px;margin:0 auto}
.hidden{display:none!important}
header{display:flex;align-items:center;gap:10px;padding:calc(14px + env(safe-area-inset-top)) 0 6px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}
.logo i{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--a),var(--b));display:grid;place-items:center}
.logo svg{width:18px;height:18px}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:99px;background:var(--card);border:1px solid var(--line);font-size:12.5px;color:var(--mute);white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mute)}
.chip.ok .dot{background:var(--ok)}.chip.bad .dot{background:var(--bad)}
.iconbtn{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--text);font-size:20px;cursor:pointer}
.iconbtn:active{transform:scale(.94)}
.radar{position:relative;height:250px;display:grid;place-items:center;overflow:hidden;margin-top:6px}
.rings{position:absolute;inset:0;display:grid;place-items:center}
.rings i{position:absolute;border-radius:50%;border:1.5px solid var(--a);opacity:0;width:90px;height:90px;animation:ring 4.2s ease-out infinite}
.rings i:nth-child(2){animation-delay:1.4s}.rings i:nth-child(3){animation-delay:2.8s}
@keyframes ring{0%{transform:scale(.7);opacity:.55}100%{transform:scale(4.2);opacity:0}}
.me{position:relative;text-align:center;cursor:pointer;padding:6px}
.avatar{width:84px;height:84px;border-radius:28px;background:linear-gradient(135deg,var(--a),var(--b));display:grid;place-items:center;font-size:38px;margin:0 auto 8px;box-shadow:0 10px 30px rgba(110,100,255,.4)}
.meName{font-weight:800;font-size:17px}
.meSub{font-size:12px;color:var(--mute)}
.peers{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:4px}
.peer{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px 12px 12px;text-align:center;box-shadow:var(--shadow);cursor:pointer;position:relative;transition:transform .15s,border-color .15s;animation:pop .35s}
@keyframes pop{from{transform:scale(.85);opacity:0}}
.peer:active{transform:scale(.97)}
.peer.drag{border-color:var(--a);transform:scale(1.04)}
.peer .avatar{width:62px;height:62px;border-radius:20px;font-size:28px;box-shadow:none}
.peer b{display:block;font-size:15px;word-break:break-word}
.peer .st{font-size:12px;color:var(--mute);min-height:16px;margin-top:2px}
.peer .st.live{color:var(--a);font-weight:700}
.peer .tag{position:absolute;top:10px;left:12px;font-size:10px;color:var(--mute);text-transform:uppercase;letter-spacing:.7px}
.peer .tbtn{margin-top:9px;border:1px solid var(--line);background:var(--card2);color:var(--text);border-radius:11px;padding:6px 12px;font:inherit;font-size:12.5px;font-weight:700;cursor:pointer}
.hint{text-align:center;color:var(--mute);margin:18px 6px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px;margin-top:14px;box-shadow:var(--shadow)}
.panel h3{margin:0 0 10px;font-size:12.5px;font-weight:700;letter-spacing:.9px;text-transform:uppercase;color:var(--mute)}
.row{display:flex;align-items:center;gap:12px;padding:9px 0;border-top:1px solid var(--line)}
.row:first-of-type{border-top:0}
.row .ic{font-size:22px;width:30px;text-align:center}
.row .meta{flex:1;min-width:0}
.row .nm{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .sub{font-size:12px;color:var(--mute)}
.row .txt{white-space:pre-wrap;word-break:break-word;font-size:14px;margin-top:2px;max-height:120px;overflow:auto}
.bar{height:6px;border-radius:9px;background:var(--line);margin-top:7px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--a),var(--b));border-radius:9px;transition:width .15s}
.bar.done i{background:var(--ok)}.bar.fail i{background:var(--bad)}
.sm{border:1px solid var(--line);background:var(--card2);color:var(--text);border-radius:10px;padding:6px 11px;font:inherit;font-size:12.5px;font-weight:700;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn{border:0;border-radius:14px;padding:12px 16px;font:inherit;font-weight:700;cursor:pointer;background:linear-gradient(135deg,var(--a),var(--b));color:#fff}
.btn.ghost{background:var(--card2);color:var(--text);border:1px solid var(--line)}
.btn:active{transform:scale(.98)}
.modal{position:fixed;inset:0;background:rgba(5,8,20,.6);display:none;align-items:flex-end;justify-content:center;z-index:20;backdrop-filter:blur(4px)}
.modal.open{display:flex}
.sheet{background:var(--card);width:100%;max-width:460px;border-radius:24px 24px 0 0;padding:20px calc(20px + env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom));max-height:92vh;overflow:auto;animation:up .28s}
@media (min-width:600px){.modal{align-items:center}.sheet{border-radius:24px}}
@keyframes up{from{transform:translateY(40px);opacity:0}}
.sheet h2{margin:0 0 6px}
.mute{color:var(--mute)}
.big{font-size:40px}
.row2{display:flex;gap:10px;margin-top:12px}.row2>*{flex:1}
textarea{width:100%;padding:12px;border-radius:14px;border:1px solid var(--line);background:var(--card2);color:var(--text);font:inherit;resize:vertical}
.qr{display:grid;place-items:center;margin:10px 0}
.qr svg{width:190px;height:190px;background:#fff;border-radius:16px;padding:8px}
.roomcode{text-align:center;font-size:30px;font-weight:800;letter-spacing:6px;margin:4px 0 8px}
.switch{display:flex;gap:12px;align-items:flex-start;margin-top:16px;cursor:pointer}
.switch input{position:absolute;opacity:0}
.switch span{flex:none;width:44px;height:26px;border-radius:99px;background:var(--line);position:relative;transition:.2s;margin-top:2px}
.switch span:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.2s}
.switch input:checked+span{background:var(--ok)}.switch input:checked+span:after{left:21px}
.switch small{display:block;color:var(--mute);font-size:12px;margin-top:2px}
.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translate(-50%,30px);opacity:0;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:11px 16px;border-radius:14px;font-weight:600;transition:.35s;z-index:30;max-width:90vw;pointer-events:none}
.toast.show{transform:translate(-50%,0);opacity:1}
.dropveil{position:fixed;inset:10px;border:3px dashed var(--a);border-radius:26px;background:rgba(90,176,255,.1);display:none;place-items:center;font-size:22px;font-weight:800;z-index:15;pointer-events:none}
.dropveil.on{display:grid}

.layout{display:grid;gap:16px;grid-template-columns:1fr}
.col{min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.connect h3{margin:0 0 10px;font-size:12.5px;font-weight:700;letter-spacing:.9px;text-transform:uppercase;color:var(--mute)}
.steps{margin:0 0 6px;padding-left:20px;color:var(--mute);font-size:14px}
.steps li{margin:7px 0}.steps b{color:var(--text)}.steps .u{color:var(--a);font-weight:700}
.fine{font-size:12px;color:var(--mute);margin:14px 0 0;text-align:center}
.connect .qr svg{width:200px;height:200px}
.connect .roomcode{font-size:26px}
@media (max-width:899px){body.has-peers .connect{display:none}}
@media (min-width:900px){
  .wrap{max-width:1080px}
  .layout{grid-template-columns:1fr 340px;align-items:start;gap:22px;margin-top:6px}
  .connect{position:sticky;top:18px}
  #inviteBtn{display:none}
  .radar{height:300px}
  .peers{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
  .peer{padding:22px 14px 16px}
  .peer .avatar{width:72px;height:72px;font-size:32px}
  .hint{font-size:16px}
}
.peer .drop{font-size:11.5px;color:var(--mute);margin-top:8px}