:root{
  --bg:#f4f6fa;
  --panel:#ffffff;
  --ink:#0f172a;
  --ink-2:#334155;
  --muted:#64748b;
  --line:#e3e8f0;
  --line-2:#eef2f7;
  --brand:#1557d6;
  --brand-ink:#0f47b0;
  --brand-soft:#eef4ff;
  --teal:#0d9488;
  --teal-soft:#e6f7f4;
  --amber:#b45309;
  --amber-soft:#fef4e6;
  --red:#c2410c;
  --shadow:0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.06);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

.app{display:flex;height:100vh;overflow:hidden}

/* ---------- sidebar ---------- */
.sidebar{
  width:236px;flex:0 0 236px;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 14px 14px;
}
.brand{display:flex;align-items:center;gap:10px;padding:2px 6px 18px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(140deg,#1557d6,#0d9488);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  box-shadow:0 6px 14px rgba(21,87,214,.25);
}
.brand-text{min-width:0}
.brand-name{font-weight:700;font-size:14.5px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:10.5px;color:var(--muted);margin-top:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;flex-direction:column;gap:2px;margin-top:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;
  color:var(--ink-2);cursor:pointer;font-size:13.5px;font-weight:500;position:relative;
  transition:background .15s,color .15s;
}
.nav-item:hover{background:#f7f9fc;text-decoration:none}
.nav-item.active{background:var(--brand-soft);color:var(--brand-ink);font-weight:600}
.nav-item.active::before{content:"";position:absolute;left:-14px;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.nav-item svg{opacity:.85}
.nav-item.hidden{display:none}

.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.mini-stats{background:#f8fafc;border:1px solid var(--line-2);border-radius:11px;padding:10px 12px;font-size:11.5px;color:var(--muted);line-height:1.9}
.mini-stats b{color:var(--ink);font-size:13px;font-weight:600}
.auth-box{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);padding:0 2px}
.auth-box .dot{width:6px;height:6px;border-radius:50%;background:#22c55e}
.auth-box .dot.off{background:#cbd5e1}
.auth-box .grow{flex:1}
.link-btn{background:none;border:0;color:var(--brand);cursor:pointer;font-size:12px;padding:0;font-family:inherit}
.link-btn:hover{text-decoration:underline}

/* ---------- main ---------- */
.main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
.topbar{
  height:64px;flex:0 0 64px;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;gap:16px;
}
.topbar-title h1{font-size:16px;margin:0;font-weight:650;letter-spacing:.2px}
.topbar-title p{margin:1px 0 0;font-size:12px;color:var(--muted)}
.topbar-actions{display:flex;align-items:center;gap:8px}
.view{flex:1;overflow-y:auto;padding:20px 24px 28px}

/* ---------- common ---------- */
.btn{
  display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink-2);padding:7px 13px;border-radius:9px;
  font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;transition:.15s;
}
.btn:hover{border-color:#cbd5e1;background:#fafbfd}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(21,87,214,.2)}
.btn.primary:hover{background:var(--brand-ink)}
.btn.ghost{background:transparent}
.btn.sm{padding:4px 9px;font-size:12px;border-radius:7px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn svg{width:15px;height:15px}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{padding:15px 18px;border-bottom:1px solid var(--line-2);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-head h3{margin:0;font-size:14px;font-weight:650}
.card-head p{margin:2px 0 0;font-size:12px;color:var(--muted)}
.card-body{padding:16px 18px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:1100px){.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr 1fr}}

.badge{
  display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:1px 7px;border-radius:6px;
  background:#f1f5f9;color:var(--ink-2);border:1px solid var(--line);white-space:nowrap;font-weight:500;
}
.badge.cn{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.badge.eu{background:#eef2ff;color:#3730a3;border-color:#c7d2fe}
.badge.us{background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe}
.badge.int{background:var(--teal-soft);color:#0f766e;border-color:#b9e6df}
.badge.warn{background:var(--amber-soft);color:var(--amber);border-color:#f6dfb4}
.badge.ok{background:#ecfdf5;color:#047857;border-color:#bbf7d0}

.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px}
.spinner{width:15px;height:15px;border:2px solid #cbd5e1;border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- chat ---------- */
.chat-wrap{height:100%;display:flex;flex-direction:column;gap:12px;max-width:1080px;margin:0 auto}
.chat-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.chat-tools .label{font-size:12px;color:var(--muted);margin-right:2px}
.chip{
  font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink-2);cursor:pointer;transition:.15s;font-family:inherit;
}
.chip:hover{border-color:#c7d2e0}
.chip.on{background:var(--brand-soft);border-color:#c7dbff;color:var(--brand-ink);font-weight:600}
.chat-scroll{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:16px;padding:6px 4px 12px}
.msg{display:flex;gap:11px;max-width:100%}
.msg .avatar{
  width:29px;height:29px;border-radius:9px;flex:0 0 29px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:2px;
}
.msg.ai .avatar{background:linear-gradient(140deg,#1557d6,#0d9488);color:#fff}
.msg.user{flex-direction:row-reverse}
.msg.user .avatar{background:#e2e8f0;color:var(--ink-2)}
.bubble{max-width:min(100%,860px);padding:12px 15px;border-radius:13px;font-size:14px;line-height:1.78}
.msg.ai .bubble{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}
.msg.user .bubble{background:var(--brand-soft);border:1px solid #dbe7ff}
.bubble h4{margin:12px 0 5px;font-size:13.5px;color:var(--brand-ink);font-weight:650}
.bubble h4:first-child{margin-top:0}
.bubble p{margin:0 0 8px}
.bubble p:last-child{margin-bottom:0}
.bubble ul{margin:6px 0 8px;padding-left:20px}
.bubble li{margin:2px 0}
.bubble strong{color:#0b2e6f;font-weight:650}
.bubble code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:12.5px}
.cmark{color:var(--brand);font-weight:600;font-size:11.5px;vertical-align:super}
.bubble table{border-collapse:collapse;width:100%;margin:8px 0;font-size:12.5px}
.bubble th,.bubble td{border:1px solid var(--line);padding:6px 9px;text-align:left}
.bubble th{background:#f8fafc;font-weight:600}
.cites{margin-top:11px;border-top:1px dashed var(--line);padding-top:9px;display:flex;flex-direction:column;gap:6px}
.cites-title{font-size:11.5px;color:var(--muted);letter-spacing:.3px}
.cite{
  display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--ink-2);
  padding:5px 8px;border-radius:8px;background:#f8fafc;border:1px solid var(--line-2);cursor:pointer;
}
.cite:hover{background:#f1f6ff;border-color:#d7e5ff}
.cite .n{font-weight:700;color:var(--brand);flex:0 0 auto}
.cite .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cite .s{font-size:11px;color:var(--muted);flex:0 0 auto}
.chat-hint{font-size:11.5px;color:var(--muted);text-align:center;padding:2px 0 0}
.composer{
  border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:10px 12px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;
}
.composer textarea{
  border:0;outline:0;resize:none;font-family:inherit;font-size:14px;line-height:1.6;
  min-height:52px;max-height:160px;color:var(--ink);background:transparent;
}
.composer-bar{display:flex;align-items:center;justify-content:space-between;gap:10px}
.composer-bar .tip{font-size:11.5px;color:var(--muted)}
.send-btn{
  display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;border:0;
  padding:7px 14px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;
}
.send-btn:disabled{opacity:.5;cursor:not-allowed}
.send-btn svg{width:15px;height:15px;stroke-width:2}

.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:14px;text-align:center;padding:30px}
.welcome h2{font-size:21px;margin:0;font-weight:700;letter-spacing:.3px}
.welcome p{margin:0;color:var(--muted);font-size:13px;max-width:520px}
.suggests{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px;width:100%;max-width:700px}
.suggest{
  text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:11px;
  padding:11px 13px;cursor:pointer;font-family:inherit;font-size:12.5px;color:var(--ink-2);transition:.15s;
}
.suggest:hover{border-color:#c7dbff;background:#fbfdff;transform:translateY(-1px);box-shadow:var(--shadow)}
.suggest b{display:block;font-size:12.5px;color:var(--ink);margin-bottom:2px;font-weight:600}

/* ---------- library ---------- */
.lib-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.search-box{position:relative;flex:1;min-width:220px;max-width:420px}
.search-box input{
  width:100%;padding:8px 12px 8px 34px;border:1px solid var(--line);border-radius:10px;
  font-size:13px;font-family:inherit;outline:0;background:var(--panel);color:var(--ink);
}
.search-box input:focus{border-color:#a9c6ff;box-shadow:0 0 0 3px rgba(21,87,214,.08)}
.search-box svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--muted)}
.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:13px}
.doc-card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  cursor:pointer;transition:.16s;display:flex;flex-direction:column;gap:7px;
}
.doc-card:hover{border-color:#c7dbff;box-shadow:var(--shadow);transform:translateY(-1px)}
.doc-card .row1{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.doc-card h3{margin:0;font-size:14px;font-weight:640;line-height:1.45;color:var(--ink)}
.doc-card .no{font-size:11.5px;color:var(--muted)}
.doc-card .sum{font-size:12.5px;color:var(--ink-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.doc-card .foot{display:flex;align-items:center;justify-content:space-between;font-size:11.5px;color:var(--muted);margin-top:auto;padding-top:4px}
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;font-size:12.5px;color:var(--muted)}

.doc-detail{max-width:900px;margin:0 auto}
.doc-detail .back{margin-bottom:12px}
.doc-head{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.doc-head h2{margin:6px 0 6px;font-size:20px;line-height:1.45}
.doc-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:10px}
.doc-meta b{color:var(--ink-2);font-weight:600}
.doc-body{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-top:14px;box-shadow:var(--shadow);font-size:13.8px;line-height:1.9}
.doc-body h4{color:var(--brand-ink);font-size:14px;margin:18px 0 6px}
.doc-body h4:first-child{margin-top:0}
.doc-body p{margin:0 0 10px}
.doc-body strong{color:#0b2e6f}

/* ---------- tables / admin ---------- */
.table{width:100%;border-collapse:collapse;font-size:12.5px}
.table th{text-align:left;font-weight:600;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--line);background:#fafbfd;font-size:11.5px;letter-spacing:.3px}
.table td{padding:9px 10px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tr:hover td{background:#fbfcfe}
.table .t{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .k{font-size:11.5px;color:var(--muted);letter-spacing:.3px}
.stat .v{font-size:22px;font-weight:700;margin-top:3px;letter-spacing:.5px}
.stat .v small{font-size:12px;font-weight:500;color:var(--muted);margin-left:3px}
.run-item{padding:9px 0;border-bottom:1px dashed var(--line-2);font-size:12.5px;display:flex;gap:10px;align-items:center}
.run-item:last-child{border-bottom:0}
.pill{font-size:11px;padding:1px 7px;border-radius:999px;background:#f1f5f9;color:var(--ink-2)}
.pill.ok{background:#ecfdf5;color:#047857}
.pill.fail{background:#fef2f2;color:#b91c1c}
.pill.run{background:#eff6ff;color:#1d4ed8}

/* ---------- forms ---------- */
.form-row{display:flex;flex-direction:column;gap:5px;margin-bottom:13px}
.form-row label{font-size:12px;color:var(--ink-2);font-weight:600}
.form-row .hint{font-size:11.5px;color:var(--muted)}
.input,select.input,textarea.input{
  width:100%;padding:8px 11px;border:1px solid var(--line);border-radius:9px;font-size:13px;
  font-family:inherit;background:var(--panel);color:var(--ink);outline:0;
}
.input:focus{border-color:#a9c6ff;box-shadow:0 0 0 3px rgba(21,87,214,.08)}
.seg{display:inline-flex;background:#f1f5f9;border-radius:10px;padding:3px;gap:2px}
.seg button{
  border:0;background:transparent;padding:6px 14px;border-radius:8px;font-size:12.5px;
  cursor:pointer;color:var(--ink-2);font-family:inherit;font-weight:500;
}
.seg button.on{background:var(--panel);color:var(--brand-ink);font-weight:600;box-shadow:0 1px 3px rgba(15,23,42,.1)}
.switch{position:relative;width:38px;height:21px;border-radius:999px;background:#cbd5e1;cursor:pointer;transition:.2s;flex:0 0 38px;border:0}
.switch.on{background:var(--brand)}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.switch.on::after{left:19px}
.inline{display:flex;align-items:center;gap:9px}
.inline .grow{flex:1}

/* ---------- modal / toast ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.32);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-mask.show{display:flex}
.modal{background:var(--panel);border-radius:16px;padding:22px 24px;width:min(420px,100%);box-shadow:0 20px 60px rgba(15,23,42,.25)}
.modal h3{margin:0 0 4px;font-size:16px}
.modal p.sub{margin:0 0 16px;font-size:12.5px;color:var(--muted)}
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);
  background:#0f172a;color:#fff;padding:9px 16px;border-radius:10px;font-size:12.5px;
  opacity:0;pointer-events:none;transition:.22s;z-index:60;max-width:80vw;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 法规检索 ---------- */
.rs-page{display:flex;flex-direction:column;gap:16px;max-width:980px;margin:0 auto}
.rs-hero{
  background:linear-gradient(160deg,#ffffff,#f7faff);border:1px solid var(--line);
  border-radius:18px;padding:22px 22px 16px;box-shadow:var(--shadow);
}
.rs-big{
  display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);
  border-radius:12px;padding:5px 6px 5px 14px;transition:border-color .15s,box-shadow .15s;
}
.rs-big:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(21,87,214,.1)}
.rs-big svg{color:var(--muted);flex:0 0 18px}
.rs-big input{
  flex:1;border:0;outline:0;background:transparent;font-size:14.5px;font-family:inherit;
  color:var(--ink);padding:8px 0;min-width:0;
}
.rs-big .btn{flex:0 0 auto}
.rs-filters{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:14px}
.rs-summary{font-size:12.5px;color:var(--muted);padding:0 2px}
.rs-summary b{color:var(--ink);font-weight:650}
.rs-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;cursor:pointer;transition:.15s;box-shadow:0 1px 2px rgba(15,23,42,.03);
}
.rs-item:hover{border-color:#c7d7f5;box-shadow:0 4px 14px rgba(21,87,214,.09);transform:translateY(-1px)}
.rs-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rs-title{font-size:14px;font-weight:600;color:var(--ink);flex:1;min-width:0;line-height:1.5}
.rs-hits{
  font-size:11px;color:var(--brand-ink);background:var(--brand-soft);
  border-radius:20px;padding:1px 8px;white-space:nowrap;
}
.rs-snippet{
  margin-top:8px;font-size:12.8px;line-height:1.85;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rs-snippet mark{background:#fff3c4;color:#8a4b00;padding:0 1px;border-radius:2px;font-weight:600}
.rs-meta{margin-top:8px;font-size:11.5px;color:var(--muted)}
.rs-meta a{color:var(--brand)}

/* ---------- 文档入库 ---------- */
.ing-page{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.dropzone{
  border:1.5px dashed #c9d6e8;border-radius:14px;background:#fbfdff;
  padding:26px 20px;text-align:center;cursor:pointer;transition:.16s;
  color:var(--ink-2);font-size:13px;
}
.dropzone:hover,.dropzone.over{border-color:var(--brand);background:var(--brand-soft)}
.dropzone.over{box-shadow:inset 0 0 0 3px rgba(21,87,214,.08)}
.dropzone svg{width:26px;height:26px;color:var(--brand);margin-bottom:6px;stroke-width:1.6}
.dropzone b{color:var(--ink)}
.dz-link{color:var(--brand);font-weight:600}
.dropzone .hint{margin-top:6px}
.file-list-inner{margin-top:12px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.file-sum{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:12px;
  font-size:12px;color:var(--muted);
}
.file-sum b{color:var(--ink);font-weight:650}
.file-sum #fileAll{margin-left:auto}
.file-row{
  display:flex;align-items:center;gap:10px;padding:9px 12px;
  border-bottom:1px solid var(--line-2);font-size:12.5px;
}
.file-row:last-child{border-bottom:0}
.file-row .fi{
  flex:0 0 44px;text-align:center;font-size:10px;font-weight:700;color:var(--brand-ink);
  background:var(--brand-soft);border-radius:5px;padding:2px 0;letter-spacing:.3px;
}
.file-row .fn{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.file-row .fs{color:var(--muted);font-size:11.5px;white-space:nowrap}
.progress{height:6px;background:#eef2f7;border-radius:6px;overflow:hidden;flex:0 0 180px;max-width:180px}
.progress .bar{
  height:100%;width:0;border-radius:6px;transition:width .3s;
  background:linear-gradient(90deg,#1557d6,#0d9488);
}
.card-body>.progress{flex:none;width:100%;max-width:none}
.progress.idle{opacity:.45}

@media(max-width:820px){
  .rs-hero{padding:16px}
  .rs-big{flex-wrap:wrap}
  .rs-big input{width:100%}
  .progress{flex:0 0 100px;max-width:100px}
}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#d7dee8;border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#c3ccda}
::-webkit-scrollbar-track{background:transparent}

@media(max-width:820px){
  .sidebar{width:64px;flex:0 0 64px;padding:14px 8px}
  .brand-text,.nav-item span,.sidebar-foot{display:none}
  .nav-item{justify-content:center;padding:10px}
  .view{padding:14px}
  .suggests{grid-template-columns:1fr}
}