:root{
  --bg:#f6f6f4; --surface:#ffffff; --border:#e3e2dd; --text:#2c2c2a;
  --muted:#6b6a64; --accent:#185fa5; --accent-soft:#e6f1fb;
  --ok:#0f6e56; --warn:#854f0b; --danger:#a32d2d; --danger-soft:#fcebeb;
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6}
button,input,select,textarea{font-family:inherit;font-size:14px}
a{color:var(--accent);text-decoration:none}

#login-wrap{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:32px 36px;width:380px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.login-card h1{margin:0 0 4px;font-size:20px;font-weight:600}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:22px}

#app{display:flex;min-height:100vh}
#sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);
  padding:18px 12px;flex-shrink:0}
#sidebar .brand{font-weight:600;font-size:15px;padding:0 8px 14px}
#sidebar .nav-item{display:block;padding:8px 10px;border-radius:8px;color:var(--text);
  cursor:pointer;margin-bottom:2px}
#sidebar .nav-item:hover{background:var(--bg)}
#sidebar .nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:500}
#main{flex:1;padding:24px 28px;overflow-x:hidden}

h2.page-title{margin:0 0 18px;font-size:19px;font-weight:600}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 18px;margin-bottom:16px}
.card h3{margin:0 0 12px;font-size:15px;font-weight:600}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.grid-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}
.stat .label{color:var(--muted);font-size:12px}
.stat .value{font-size:22px;font-weight:600;margin-top:2px}
.stat .value small{font-size:12px;font-weight:400;color:var(--muted)}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;background:var(--bg);padding:8px 10px;border:1px solid var(--border);font-weight:600;white-space:nowrap}
td{padding:8px 10px;border:1px solid var(--border);vertical-align:top}
tr:hover td{background:#fafaf9}

button{background:var(--surface);border:1px solid var(--border);border-radius:8px;
  padding:6px 14px;cursor:pointer;color:var(--text)}
button:hover{border-color:var(--accent);color:var(--accent)}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.primary:hover{opacity:.9;color:#fff}
button.danger{color:var(--danger);border-color:#f0c9c9}
button.danger:hover{background:var(--danger-soft);border-color:var(--danger)}
button.sm{padding:3px 9px;font-size:12px;border-radius:6px}
button:disabled{opacity:.5;cursor:not-allowed}

input,select,textarea{width:100%;padding:7px 10px;border:1px solid var(--border);
  border-radius:8px;background:var(--surface);color:var(--text)}
textarea{min-height:120px;resize:vertical;font-family:inherit;line-height:1.6}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:3px}
.field{margin-bottom:12px;flex:1;min-width:180px}
.field-narrow{flex:0 0 120px}

.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px}
.tag.local{background:#e1f5ee;color:#0f6e56}
.tag.cloud{background:#e6f1fb;color:#185fa5}
.tag.ok{background:#e1f5ee;color:#0f6e56}
.tag.err{background:#fcebeb;color:#a32d2d}
.tag.warn{background:#faeeda;color:#854f0b}

.muted{color:var(--muted);font-size:13px}
.err{color:var(--danger);font-size:13px}
.empty{color:var(--muted);padding:16px;text-align:center;font-size:13px}

.modal-back{position:absolute;inset:0;background:rgba(0,0,0,.35);display:flex;
  align-items:center;justify-content:center;z-index:50}
.modal{background:var(--surface);border-radius:12px;padding:22px 24px;width:560px;
  max-width:92vw;max-height:86vh;overflow:auto}
.modal h3{margin:0 0 14px;font-size:16px;font-weight:600}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}

#chat-log{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;min-height:320px;max-height:52vh;overflow:auto;margin-bottom:12px}
.msg{margin-bottom:14px;white-space:pre-wrap;word-break:break-word}
.msg .who{font-size:12px;color:var(--muted);margin-bottom:2px}
.msg.user .body{background:var(--accent-soft);padding:8px 12px;border-radius:8px;display:inline-block}
.msg.assistant .body{background:var(--bg);padding:8px 12px;border-radius:8px}
.sources{font-size:12px;color:var(--muted);background:#fbfbf9;border-left:3px solid var(--border);
  padding:6px 10px;margin-bottom:6px;border-radius:4px}

.bar{height:8px;background:var(--bg);border-radius:4px;overflow:hidden;margin-top:8px}
.bar > div{height:100%;background:var(--accent);width:0;transition:width .2s}
.toast{position:absolute;top:18px;right:18px;background:var(--text);color:#fff;padding:10px 16px;
  border-radius:8px;font-size:13px;z-index:99}
.hidden{display:none !important}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.mono{font-family:"Cascadia Mono",Consolas,monospace;font-size:12px}

.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.page-head .sub{color:var(--muted);font-size:12px;margin-top:2px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.toolbar .field{margin-bottom:0}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{border-radius:999px;padding:5px 12px}
.tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}
.grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:12px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}
.kpi .label{color:var(--muted);font-size:12px}
.kpi .value{font-size:22px;font-weight:600;margin-top:2px}
.list{display:flex;flex-direction:column;gap:8px}
.list-item{border:1px solid var(--border);border-radius:8px;padding:10px 12px;background:#fff}
.list-item.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-soft) inset}
.meta{font-size:12px;color:var(--muted)}
.codebox{font-family:"Cascadia Mono",Consolas,monospace;font-size:12px;background:#fafaf9;border:1px solid var(--border);border-radius:8px;padding:10px;white-space:pre-wrap;word-break:break-word}
.log-table td,.log-table th{font-size:12px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#eef2ff;color:#3f4aa8}
.badge.warn{background:#faeeda;color:var(--warn)}
.badge.err{background:#fcebeb;color:var(--danger)}
.badge.ok{background:#e1f5ee;color:var(--ok)}
.split{display:grid;grid-template-columns:320px minmax(0,1fr);gap:12px;align-items:start}
.stack{display:flex;flex-direction:column;gap:12px}
.mini{font-size:12px;color:var(--muted)}
.mono-wrap{font-family:"Cascadia Mono",Consolas,monospace}
@media (max-width: 1100px){
  .grid-2,.grid-3,.split{grid-template-columns:1fr}
}