:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --line:#2a3342;
  --txt:#e6edf3; --mut:#8b949e; --acc:#58a6ff; --grn:#3fb950; --red:#f85149;
  --amber:#d29922;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;}
.hidden{display:none!important;}
.app{display:flex;height:100dvh;}
.side{width:250px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;}
.brand{padding:16px;font-weight:700;font-size:17px;border-bottom:1px solid var(--line);}
.tabs{display:flex;flex-direction:column;padding:8px;gap:4px;border-bottom:1px solid var(--line);}
.tab{background:none;border:0;color:var(--txt);text-align:left;padding:10px 12px;border-radius:8px;
  font-size:15px;cursor:pointer;display:flex;align-items:center;gap:8px;}
.tab.active{background:var(--panel2);}
.badge{background:var(--red);color:#fff;font-size:11px;font-weight:700;border-radius:10px;
  padding:2px 8px;margin-left:auto;}
.rooms{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:2px;}
.room{background:none;border:0;color:var(--txt);text-align:left;padding:10px 12px;border-radius:8px;
  cursor:pointer;display:flex;flex-direction:column;gap:2px;}
.room.active{background:var(--panel2);}
.room .rn{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;}
.room .rd{font-size:12px;color:var(--mut);}
.side-foot{padding:12px 16px;font-size:12px;color:var(--mut);border-top:1px solid var(--line);}
.main{flex:1;display:flex;flex-direction:column;min-width:0;}
.pane{flex:1;display:flex;flex-direction:column;min-height:0;}
.pane-head{padding:16px 20px;border-bottom:1px solid var(--line);}
.pane-head h2{margin:0 0 4px;font-size:18px;}
.pane-head p{margin:0;color:var(--mut);font-size:13px;}
.chat-head{padding:14px 20px;border-bottom:1px solid var(--line);}
.chat-head h2{margin:0;font-size:17px;}
.chat-head p{margin:2px 0 0;color:var(--mut);font-size:13px;}
.msgs{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px;}
.msg{max-width:82%;}
.msg .who{font-size:12px;color:var(--mut);margin-bottom:4px;font-weight:600;}
.msg .bubble{background:var(--panel2);border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;font-size:15px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word;}
.msg.me{align-self:flex-end;}
.msg.me .bubble{background:#1f3a5f;border-color:#2f4d7a;}
.msg.me .who{text-align:right;}
.composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line);}
.composer input{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:10px;
  color:var(--txt);padding:12px 14px;font-size:16px;}
.composer button{background:var(--acc);border:0;color:#04101f;font-weight:700;border-radius:10px;
  padding:0 20px;font-size:15px;cursor:pointer;}
.appr-list{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px;}
.appr{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;}
.appr .atype{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.5px;color:var(--amber);margin-bottom:6px;}
.appr h3{margin:0 0 6px;font-size:16px;}
.appr .adetail{font-size:14px;color:var(--txt);line-height:1.5;white-space:pre-wrap;margin:0 0 8px;}
.appr .ameta{font-size:12px;color:var(--mut);margin-bottom:10px;}
.appr .arow{display:flex;gap:8px;}
.appr button{flex:1;padding:10px;border-radius:8px;font-size:15px;font-weight:700;cursor:pointer;border:0;}
.btn-ok{background:var(--grn);color:#04140a;}
.btn-no{background:var(--red);color:#fff;}
.cards{flex:1;overflow-y:auto;padding:16px 20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:12px;align-content:start;}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;}
.card .cl{font-size:12px;color:var(--mut);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;}
.card .cv{font-size:24px;font-weight:700;}
.card .cs{font-size:13px;color:var(--mut);margin-top:4px;}
.gate{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;padding:20px;}
.gate-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;width:100%;max-width:360px;text-align:center;}
.gate-card h1{margin:0 0 8px;}
.gate-card p{color:var(--mut);font-size:14px;}
.gate-card input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;
  color:var(--txt);padding:12px;font-size:16px;margin:12px 0;}
.gate-card button{width:100%;background:var(--acc);border:0;color:#04101f;font-weight:700;
  border-radius:10px;padding:12px;font-size:16px;cursor:pointer;}
.err{color:var(--red)!important;}
@media (max-width:760px){
  .app{flex-direction:column;}
  .side{width:100%;border-right:0;border-bottom:1px solid var(--line);}
  .brand{display:none;}
  .tabs{flex-direction:row;border-bottom:0;padding:8px 8px 0;}
  .tab{font-size:14px;padding:8px 10px;}
  .rooms{flex-direction:row;overflow-x:auto;padding:8px;}
  .room{white-space:nowrap;}
  .room .rd{display:none;}
  .side-foot{display:none;}
}