:root{
  --bg:#f6f2ea;
  --card:#ffffff;
  --text:#1c1c1c;
  --muted:#6b6b6b;
  --shadow:0 12px 30px rgba(20,20,20,.08);
  --radius:22px;
  --btn:#111111;
  --btnText:#ffffff;
  --tagBg:#f2f2f2;
  --tagText:#333333;
  --green:#16a34a;
  --red:#dc2626;
  --amber:#d97706;
  --line:#ece7dd;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:inherit;text-decoration:none;}
.container{max-width:1040px;margin:0 auto;padding:22px 16px 48px;}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.brand{font-weight:800;letter-spacing:.5px;}
.nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;}
.nav-link{padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.55);border:1px solid rgba(0,0,0,.05);}
.nav-link:hover{background:#fff;}
.page-title{margin:6px 0 4px;font-size:28px;}
.muted{color:var(--muted);font-size:14px;line-height:1.55;}
.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  border:1px solid rgba(0,0,0,.04);
  padding:18px;
}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px;}
.col-12{grid-column:span 12;}
.col-8{grid-column:span 8;}
.col-6{grid-column:span 6;}
.col-4{grid-column:span 4;}
.col-3{grid-column:span 3;}
@media(max-width:900px){
  .col-8,.col-6,.col-4,.col-3{grid-column:span 12;}
  .topbar{align-items:flex-start;flex-direction:column;}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  padding:11px 14px;
  border:1px solid rgba(0,0,0,.10);
  background:#fff;
  cursor:pointer;
  font-weight:650;
}
.btn.primary{background:var(--btn);color:var(--btnText);border-color:var(--btn);}
.btn.danger{background:var(--red);color:#fff;border-color:var(--red);}
.btn.success{background:var(--green);color:#fff;border-color:var(--green);}
.btn.ghost{background:transparent;}
.btn:disabled{opacity:.55;cursor:not-allowed;}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;}
.mt-16{margin-top:16px;}
.mt-10{margin-top:10px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--tagBg);color:var(--tagText);border:1px solid rgba(0,0,0,.06);font-size:12px;}
.tag.green{background:rgba(22,163,74,.10);color:var(--green);border-color:rgba(22,163,74,.18);}
.tag.red{background:rgba(220,38,38,.10);color:var(--red);border-color:rgba(220,38,38,.18);}
.tag.amber{background:rgba(217,119,6,.10);color:var(--amber);border-color:rgba(217,119,6,.18);}
.hr{height:1px;background:var(--line);margin:14px 0;}
.kv{margin-top:10px;border:1px solid rgba(0,0,0,.05);border-radius:16px;overflow:hidden;}
.kv-row{display:flex;gap:10px;justify-content:space-between;padding:10px 12px;background:rgba(0,0,0,.02);border-top:1px solid rgba(0,0,0,.04);}
.kv-row:first-child{border-top:none;}
.kv-k{color:var(--muted);font-size:13px;}
.kv-v{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;font-size:12px;max-width:70%;word-break:break-all;text-align:right;}
.alert{border-radius:16px;padding:12px 12px;border:1px solid rgba(0,0,0,.06);background:rgba(0,0,0,.02);font-size:14px;line-height:1.55;}
.alert.success{background:rgba(22,163,74,.08);border-color:rgba(22,163,74,.18);}
.alert.danger{background:rgba(220,38,38,.08);border-color:rgba(220,38,38,.18);}
.input, textarea, select{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.10);
  padding:10px 12px;
  outline:none;
  background:#fff;
  font-size:14px;
}
textarea{min-height:96px;resize:vertical;line-height:1.55;}
label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px;}
.field{margin-top:12px;}
.row{display:flex;gap:12px;flex-wrap:wrap;}
.row .field{flex:1;min-width:220px;}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;padding:24px;z-index:9999;}
.modal{width:min(880px, 100%);background:#fff;border-radius:22px;box-shadow:0 25px 70px rgba(0,0,0,.22);border:1px solid rgba(0,0,0,.08);padding:16px;}
.modal.modal-form{width:min(920px,96vw);max-height:90vh;display:flex;flex-direction:column;overflow:hidden;padding:0;}
.modal-header{flex:0 0 auto;padding:20px 24px 12px;border-bottom:1px solid #eee;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
.modal-body{flex:1 1 auto;overflow-y:auto;padding:16px 24px;min-height:0;}
.modal-footer{flex:0 0 auto;padding:16px 24px 20px;border-top:1px solid #eee;display:flex;justify-content:flex-start;gap:12px;background:#fff;flex-wrap:wrap;}
.modal .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
.modal .modal-title{margin:0;font-size:18px;}
.modal .modal-close{border:none;background:transparent;font-size:22px;cursor:pointer;line-height:1;}
.form-group{margin-top:14px;padding:12px;border:1px solid rgba(0,0,0,.06);border-radius:14px;background:rgba(0,0,0,.015);}
.group-title{font-size:13px;font-weight:800;margin-bottom:8px;}
.form-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;}
.chat-panel{background:#fff;border-radius:20px;padding:14px;border:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;min-height:0;}
.chat-window{height:420px;overflow-y:auto;background:rgba(0,0,0,.02);border:1px solid rgba(0,0,0,.06);border-radius:16px;padding:12px;display:flex;flex-direction:column;gap:10px;align-items:stretch;}
.chat-message{max-width:86%;padding:10px 12px;border-radius:14px;line-height:1.55;white-space:pre-wrap;word-break:break-word;}
.chat-message.user{align-self:flex-end;background:rgba(17,17,17,.88);color:#fff;}
.chat-message.assistant{align-self:flex-start;background:#fff;border:1px solid rgba(0,0,0,.10);}
.chat-message.error{align-self:center;background:rgba(220,38,38,.10);border:1px solid rgba(220,38,38,.25);color:#991b1b;}
.chat-input-row{margin-top:10px;display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;}
.chat-input-row textarea{min-height:80px;flex:1;}
.chat-page{display:flex;flex-direction:column;gap:14px;}
.chat-toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;}
.chat-toolbar .field{margin-top:0;min-width:220px;flex:1;}
.chat-page .chat-window{height:520px;}
.chat-page .chat-message.user{margin-left:auto;text-align:left;}
.chat-page .chat-message.assistant{margin-right:auto;}
.chat-page .chat-message.error{max-width:100%;background:rgba(220,38,38,.12);}
.chat-input-area{margin-top:auto;border-top:1px solid var(--line);padding-top:12px;flex:0 0 auto;background:#fff;border-radius:0 0 16px 16px;}
.chat-input-area textarea{min-height:100px;resize:vertical;}
.chat-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;align-items:center;}
.chat-empty{padding:14px;border-radius:12px;background:rgba(0,0,0,.03);color:var(--muted);}
.tabs{display:flex;gap:10px;flex-wrap:wrap;}
.tab{padding:10px 12px;border-radius:999px;border:1px solid rgba(0,0,0,.10);background:#fff;cursor:pointer;font-weight:650;font-size:13px;}
.tab.active{background:#111;color:#fff;border-color:#111;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.small{font-size:12px;color:var(--muted);}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}
@media(max-width:900px){
  .form-grid-2{grid-template-columns:1fr;}
  .modal.modal-form{width:96vw;max-height:92vh;}
  .modal-header{padding:14px 14px 10px;}
  .modal-body{padding:12px 14px;}
  .modal-footer{padding:12px 14px 14px;}
  .chat-window{height:360px;}
  .chat-page .chat-window{height:380px;}
}

.modal.modal-connection{
  width:min(440px, 94vw);
  padding:18px 18px 20px;
  text-align:center;
}
.connection-hint-card{
  margin-top:14px;
  padding:12px 14px;
  border-radius:16px;
  background:rgba(22,163,74,.08);
  border:1px solid rgba(22,163,74,.2);
  text-align:left;
}
.qr-wrap{
  display:flex;
  justify-content:center;
  align-items:center;
  padding:12px;
  background:rgba(0,0,0,.02);
  border-radius:16px;
  border:1px solid rgba(0,0,0,.06);
}
.qr-img{
  display:block;
  max-width:100%;
  height:auto;
  border-radius:12px;
}
.connection-status-wrap{margin-top:12px;}
.connection-status{font-size:15px;font-weight:800;color:var(--text);margin-top:4px;text-align:center;}