:root{
  --bg:#f5f6f8; --panel:#ffffff; --border:#e3e6ea; --border-strong:#d3d7dd;
  --text:#1f2430; --muted:#6b7280; --muted-2:#9aa1ab;
  --primary:#185fa5; --primary-d:#0c447c; --primary-l:#e6f1fb;
  --green:#0f6e56; --green-l:#e1f5ee;
  --red:#a32d2d; --red-l:#fcebeb;
  --amber:#854f0b; --amber-l:#faeeda;
  --purple:#534ab7; --purple-l:#eeedfe;
  --radius:10px; --radius-sm:7px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

.layout{display:flex;min-height:100vh}
.sidebar{width:208px;flex:0 0 208px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:18px 18px 14px;border-bottom:1px solid var(--border)}
.brand .t1{font-size:15px;font-weight:600;letter-spacing:.2px}
.brand .t2{font-size:12px;color:var(--muted);margin-top:2px}
.nav{padding:10px 8px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text);font-size:13.5px;margin-bottom:2px}
.nav a:hover{background:#f2f4f7;text-decoration:none}
.nav a.active{background:var(--primary-l);color:var(--primary-d);font-weight:600}
.nav .dot{width:6px;height:6px;border-radius:50%;background:var(--border-strong)}
.nav a.active .dot{background:var(--primary)}
.sidebar-foot{padding:12px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}
.sidebar-foot a{color:var(--muted)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.topbar h1{font-size:16px;font-weight:600;margin:0}
.topbar .right{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.content{padding:20px 22px 40px;max-width:1400px;width:100%}

.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px}
.card h3{margin:0 0 12px;font-size:14px;font-weight:600}
.card .sub{color:var(--muted);font-size:12.5px;margin-top:-6px;margin-bottom:12px}

.grid{display:grid;gap:14px}
.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid.c6{grid-template-columns:repeat(6,minmax(0,1fr))}
@media(max-width:1100px){.grid.c4,.grid.c6{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.c3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.grid.c2,.grid.c3,.grid.c4,.grid.c6{grid-template-columns:1fr}.sidebar{display:none}}

.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.stat .k{font-size:12px;color:var(--muted)}
.stat .v{font-size:22px;font-weight:600;margin-top:4px;letter-spacing:.3px}
.stat .d{font-size:12px;color:var(--muted-2);margin-top:2px}
.stat.good .v{color:var(--green)}
.stat.bad .v{color:var(--red)}
.stat.info .v{color:var(--primary-d)}

table{width:100%;border-collapse:collapse;font-size:13px}
th{ text-align:left;color:var(--muted);font-weight:500;font-size:12px;padding:8px 10px;border-bottom:1px solid var(--border);white-space:nowrap;background:#fafbfc}
td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}
tr:hover td{background:#fafbfc}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
.nowrap{white-space:nowrap}
.ellipsis{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.muted{color:var(--muted)}
.small{font-size:12px}
.right{text-align:right}

.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--panel);color:var(--text);font-size:13px;cursor:pointer;transition:.15s}
.btn:hover{background:#f2f4f7}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.danger{color:var(--red);border-color:#e9c9c9}
.btn.danger:hover{background:var(--red-l)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-link{background:none;border:none;color:var(--primary);cursor:pointer;font-size:12.5px;padding:0}
.btn-link:hover{text-decoration:underline}

.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11.5px;line-height:18px;background:#f2f4f7;color:var(--muted);white-space:nowrap}
.badge.green{background:var(--green-l);color:var(--green)}
.badge.red{background:var(--red-l);color:var(--red)}
.badge.amber{background:var(--amber-l);color:var(--amber)}
.badge.blue{background:var(--primary-l);color:var(--primary-d)}
.badge.purple{background:var(--purple-l);color:var(--purple)}

.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.toolbar .spacer{flex:1}
input[type=text],input[type=password],input[type=number],input[type=datetime-local],select,textarea{
  padding:7px 10px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:13px;background:#fff;color:var(--text);outline:none;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,95,165,.12)}
label.fld{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid .full{grid-column:1/-1}
.form-grid textarea{width:100%;min-height:70px;resize:vertical}
.hint{font-size:12px;color:var(--muted-2);margin-top:4px;line-height:1.5}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px}
.tabs button{background:none;border:none;padding:9px 14px;font-size:13.5px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.active{color:var(--primary-d);border-bottom-color:var(--primary);font-weight:600}

.pager{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px 2px;font-size:13px;color:var(--muted)}

.modal-mask{position:fixed;inset:0;background:rgba(16,24,40,.45);display:flex;align-items:flex-start;justify-content:center;padding:60px 16px;z-index:100;overflow:auto}
.modal{background:var(--panel);border-radius:12px;width:100%;max-width:720px;box-shadow:0 20px 40px rgba(16,24,40,.2)}
.modal.wide{max-width:920px}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-head h3{margin:0;font-size:15px}
.modal-body{padding:18px 20px;max-height:70vh;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--border)}
.x{background:none;border:none;font-size:18px;color:var(--muted);cursor:pointer;line-height:1}

.toast-wrap{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{background:#1f2430;color:#fff;padding:10px 16px;border-radius:8px;font-size:13px;box-shadow:var(--shadow);opacity:.97;animation:ti .2s ease}
.toast.err{background:#7f1f1f}
.toast.ok{background:#0f5132}
@keyframes ti{from{transform:translateY(-6px);opacity:0}to{transform:none;opacity:.97}}

.kv{display:grid;grid-template-columns:120px 1fr;gap:6px 12px;font-size:13px}
.kv .k{color:var(--muted)}
pre.code{background:#0f172a;color:#d7e3f4;padding:12px;border-radius:8px;font-size:12px;overflow:auto;max-height:340px;white-space:pre-wrap;word-break:break-all}
.empty{text-align:center;color:var(--muted-2);padding:36px 0;font-size:13px}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:middle}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.login-card{width:360px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:30px 28px}
.login-card h1{font-size:18px;margin:0 0 4px}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:22px}
.login-card input{width:100%;margin-bottom:12px}
.login-card .btn{width:100%;justify-content:center;padding:10px}
.err-msg{color:var(--red);font-size:12.5px;min-height:18px;margin-top:8px}