:root{--bg:#0b0c14;--panel:#141625;--panel2:#1b1e31;--ink:#eef0ff;--dim:#9aa0c3;--line:rgba(160,170,255,.16);--acc:#7c8cff;--acc2:#46e0b0;--bad:#ff7a6b;--good:#46e0b0;--mine:#262c52}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:15px/1.45 -apple-system,"Segoe UI",system-ui,sans-serif;-webkit-text-size-adjust:100%}
#app{height:100%;display:flex;flex-direction:column}
button{font:inherit;cursor:pointer;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--ink);padding:8px 14px}
button.act{background:var(--acc);border-color:var(--acc);color:#0b0c14;font-weight:600}
button.good{background:var(--good);border-color:var(--good);color:#0b0c14;font-weight:600}
button.bad{background:var(--bad);border-color:var(--bad);color:#0b0c14;font-weight:600}
button.ghost{background:none}
button.sm{padding:5px 11px;font-size:13.5px}
input,textarea{font:16px system-ui;width:100%;padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:#0e1020;color:var(--ink);margin:6px 0}
.dim{color:var(--dim)}.pad{padding:14px}
.err{color:var(--bad);font-size:13.5px;min-height:1em}
.top{display:flex;align-items:center;gap:10px;padding:calc(env(safe-area-inset-top) + 8px) 14px 8px;border-bottom:1px solid var(--line);background:var(--panel)}
.brand{background:none;border:0;padding:0;font-weight:700;font-size:17px;display:flex;align-items:center;gap:6px}
.brand .ver{font:500 11.5px ui-monospace,monospace;color:var(--dim)}
.brand .upd{width:8px;height:8px;border-radius:50%;background:var(--acc2);box-shadow:0 0 8px var(--acc2)}
.who{margin-left:auto;color:var(--dim);font-size:13.5px}
.view{flex:1;min-height:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px}
.sign{max-width:420px;margin:8vh auto 0;width:calc(100% - 32px)}
.sign h1{margin:0 0 4px;font-size:22px}
.main{display:grid;grid-template-columns:300px 1fr}
.list{border-right:1px solid var(--line);overflow:auto;background:var(--panel)}
.listHead{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.room{display:grid;grid-template-columns:1fr auto;gap:2px 8px;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;background:none;padding:11px 14px}
.room span{grid-column:1;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room i{grid-row:1;grid-column:2;font-style:normal;font-size:12px}
.room.on{background:var(--panel2)}
.room.unread b::after{content:'';display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--acc2);margin-left:6px;vertical-align:middle}
.chat{display:flex;flex-direction:column;min-height:0}
.chatHead{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}
.chatHead .call{margin-left:auto}
.back{display:none;padding:4px 10px;font-size:20px}
.msgs{flex:1;overflow:auto;padding:12px 14px}
.msg{margin-top:10px;max-width:760px}.msg.cont{margin-top:2px}
.msg .meta{font-size:13px}.msg .meta i{font-style:normal;font-size:11.5px}
.msg .body{white-space:pre-wrap;word-wrap:break-word}
.msg.mine .body{color:#dfe3ff}
.msg.call{color:var(--dim);font-size:13.5px;text-align:center;max-width:none}
.composer{display:flex;gap:8px;align-items:flex-end;padding:8px 12px calc(env(safe-area-inset-bottom) + 8px);border-top:1px solid var(--line)}
.composer textarea{margin:0;resize:none;max-height:160px}
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:20}
.sheet .card{width:min(440px,100%)}
.sheet h2{margin:0 0 4px}
.row{display:flex;gap:8px;justify-content:flex-end;align-items:center;margin-top:10px}
.person{display:flex;gap:8px;align-items:center;padding:6px 0}.person input{width:auto;margin:0}
.ring{position:fixed;left:50%;transform:translateX(-50%);top:calc(env(safe-area-inset-top) + 12px);z-index:30;background:var(--panel2);border:1px solid var(--acc);border-radius:16px;padding:14px 16px;box-shadow:0 16px 40px rgba(0,0,0,.5);width:min(380px,calc(100% - 24px))}
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:25;background:var(--panel2);border-top:1px solid var(--acc);padding:10px 14px calc(env(safe-area-inset-bottom) + 10px)}
.cStats{font:12px ui-monospace,monospace;margin-top:2px;min-height:1.2em}
.hp{display:flex;align-items:center;gap:6px;margin-right:auto;font-size:13.5px}.hp input{width:auto;margin:0}
@media (max-width:720px){
  .main{grid-template-columns:1fr}
  body.inRoom .list{display:none}
  body:not(.inRoom) .chat{display:none}
  .back{display:inline-block}
}