:root{
  --bg:#f4f7f9; --panel:#ffffff; --ink:#16333a; --ink-2:#3d5a62; --muted:#7b939a;
  --line:#e2eaed; --line-2:#cfdde2;
  --primary:#0f766e; --primary-d:#0b5f59; --primary-l:#e6f4f2;
  --danger:#c2413b; --danger-l:#fdeceb;
  --warn:#b45309; --warn-l:#fdf3e3;
  --ok:#15803d; --ok-l:#e9f7ee;
  --radius:12px; --radius-s:8px;
  --shadow:0 1px 2px rgba(16,51,58,.06),0 8px 24px rgba(16,51,58,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.6;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
.hidden{display:none !important}
a{color:var(--primary);text-decoration:none}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:12.5px}
.muted{color:var(--muted)}
.small{font-size:12px}
.right{text-align:right}
.nowrap{white-space:nowrap}
h1,h2,h3{margin:0;font-weight:600}
h1{font-size:20px}
h2{font-size:16px}
h3{font-size:14px}

/* 启动 / 登录 */
.boot{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted)}
.spin{width:16px;height:16px;border:2px solid var(--line-2);border-top-color:var(--primary);border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}
.brand-logo{width:38px;height:38px;flex:0 0 auto}
.brand-logo.small{width:28px;height:28px}
.brand p{margin:2px 0 0;font-size:12px;color:var(--muted)}
.login-card label{display:block;font-size:12.5px;color:var(--ink-2);margin-bottom:14px}
input,select,textarea{width:100%;margin-top:6px;padding:9px 11px;border:1px solid var(--line-2);border-radius:var(--radius-s);background:#fff;color:var(--ink);font-size:13.5px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}
input[type=checkbox]{width:auto;margin:0;accent-color:var(--primary)}
.hint{font-size:11.5px;color:var(--muted);margin:14px 0 0;text-align:center}
.msg{font-size:12.5px;margin:-4px 0 12px;min-height:18px}
.msg.err{color:var(--danger)}
.msg.ok{color:var(--ok)}

/* 布局 */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar-left{display:flex;align-items:center;gap:10px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:14px}
.brand-text span{font-size:11.5px}
.topbar-right{display:flex;align-items:center;gap:10px}
.who{font-size:12.5px;color:var(--ink-2)}
.tabs{display:flex;gap:4px;padding:0 22px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:53px;z-index:19;overflow-x:auto}
.tab{padding:11px 14px;font-size:13.5px;color:var(--ink-2);border-bottom:2px solid transparent;white-space:nowrap}
.tab:hover{color:var(--primary)}
.tab.on{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.view{padding:22px;max-width:1280px;margin:0 auto}

/* 卡片与栅格 */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.card-head p{margin:2px 0 0;font-size:12px;color:var(--muted)}
.grid{display:grid;gap:14px}
.g-stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.g-nodes{grid-template-columns:repeat(auto-fit,minmax(310px,1fr))}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat .k{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.stat .v{font-size:22px;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .s{font-size:11.5px;color:var(--muted);margin-top:2px}
.stat.ok .v{color:var(--ok)}
.stat.bad .v{color:var(--danger)}
.stat.warn .v{color:var(--warn)}

/* 节点卡 */
.node{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.node.off{border-color:#f0c9c6;background:#fffdfd}
.node.disabled{opacity:.72}
.node-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.node-name{font-size:14.5px;font-weight:600}
.node-url{font-size:11.5px;color:var(--muted);word-break:break-all;margin-top:2px}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--muted);flex:0 0 auto}
.dot.on{background:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.16)}
.dot.off{background:#ef4444;box-shadow:0 0 0 3px rgba(239,68,68,.14)}
.dot.idle{background:#cbd5e1}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;padding:2px 9px;border-radius:999px;background:var(--primary-l);color:var(--primary-d);white-space:nowrap}
.pill.gray{background:#eef2f4;color:var(--ink-2)}
.pill.red{background:var(--danger-l);color:var(--danger)}
.pill.amber{background:var(--warn-l);color:var(--warn)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin-top:14px;font-size:12.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;text-align:right;word-break:break-all}
.node-err{margin-top:12px;font-size:12px;background:var(--danger-l);color:var(--danger);border-radius:var(--radius-s);padding:8px 10px}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#f7fafb;color:var(--ink-2);font-weight:600;font-size:12px;white-space:nowrap;position:sticky;top:0}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcfd}
.bar{height:6px;border-radius:3px;background:#eef2f4;overflow:hidden;min-width:70px;margin-top:4px}
.bar i{display:block;height:100%;background:var(--primary)}
.bar i.warn{background:#f59e0b}
.bar i.bad{background:#ef4444}

/* 控件 */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field > span{font-size:11.5px;color:var(--ink-2)}
.field input,.field select,.field textarea{margin-top:0}
.field.grow{flex:1 1 200px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border:1px solid var(--line-2);border-radius:var(--radius-s);background:#fff;color:var(--ink);font-size:13px;font-family:inherit;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d);color:#fff}
.btn.danger{color:var(--danger);border-color:#e8bcb9}
.btn.danger:hover{background:var(--danger-l);color:var(--danger);border-color:var(--danger)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--ink-2)}
.btn.ghost:hover{background:#eef2f4;color:var(--ink)}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.checkline{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-2)}
.checklist{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;border:1px solid var(--line);border-radius:var(--radius-s);padding:12px;max-height:240px;overflow:auto;background:#fbfdfd}
.checklist label{display:flex;align-items:center;gap:8px;font-size:12.5px;margin:0}
.checklist .nm{font-weight:600}
.checklist .ur{color:var(--muted);font-size:11px;word-break:break-all}

/* 模态 */
.modal-mask{position:fixed;inset:0;background:rgba(16,51,58,.42);display:flex;align-items:flex-start;justify-content:center;padding:44px 18px;overflow:auto;z-index:60}
.modal{background:var(--panel);border-radius:var(--radius);width:100%;max-width:760px;box-shadow:0 20px 50px rgba(16,51,58,.24)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-body{padding:20px;max-height:calc(100vh - 220px);overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line);background:#fbfdfd;border-radius:0 0 var(--radius) var(--radius)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.form-grid .wide{grid-column:1/-1}
.close-x{border:none;background:none;font-size:20px;line-height:1;color:var(--muted);cursor:pointer;padding:2px 6px}
.close-x:hover{color:var(--ink)}

/* 结果 */
.result{border:1px solid var(--line);border-radius:var(--radius-s);padding:14px;margin-bottom:12px}
.result.bad{border-color:#f0c9c6;background:#fffbfb}
.result-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.copybox{display:flex;gap:8px;align-items:center;background:#f7fafb;border:1px solid var(--line);border-radius:var(--radius-s);padding:8px 10px;margin-top:8px}
.copybox code{flex:1;word-break:break-all;color:var(--ink-2);max-height:66px;overflow:auto}
details{margin-top:8px}
summary{cursor:pointer;font-size:12.5px;color:var(--primary)}
details pre{background:#16333a;color:#d7ecee;padding:12px;border-radius:var(--radius-s);overflow:auto;font-size:12px;margin:8px 0 0;max-height:280px}
.empty{text-align:center;padding:38px 20px;color:var(--muted)}
.empty h3{margin-bottom:6px;color:var(--ink-2)}

/* toast */
.toast-root{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:90}
.toast{background:#16333a;color:#eaf4f5;padding:10px 14px;border-radius:var(--radius-s);font-size:13px;box-shadow:0 8px 24px rgba(16,51,58,.25);max-width:340px}
.toast.err{background:var(--danger)}
.toast.ok{background:var(--primary-d)}
.mobile-bottom-nav{display:none}
@media (max-width:640px){
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
  .topbar{padding:10px 14px}
  .topbar-left{min-width:0}
  .brand-text strong{font-size:13px}
  .brand-text span{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar-right{gap:4px}
  .who{display:none}
  .tabs{display:none}
  .view{padding:14px;padding-bottom:96px}
  .mobile-bottom-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:50;min-height:64px;padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(16,51,58,.08)}
  .mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:48px;color:var(--muted);font-size:11px;border-radius:10px;transition:background .15s,color .15s}
  .mobile-nav-item.on{color:var(--primary);background:var(--primary-l);font-weight:600}
  .mobile-nav-icon{position:relative;width:22px;height:22px;display:block;color:currentColor}
  .icon-home:before{content:"";position:absolute;left:4px;top:8px;width:14px;height:10px;border:2px solid currentColor;border-top:0;border-radius:2px}
  .icon-home:after{content:"";position:absolute;left:4px;top:3px;width:12px;height:12px;border-left:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);border-radius:2px}
  .icon-node:before{content:"";position:absolute;inset:4px;border:2px solid currentColor;transform:rotate(45deg);border-radius:3px}
  .icon-node:after{content:"";position:absolute;left:9px;top:9px;width:4px;height:4px;background:currentColor;border-radius:50%}
  .icon-user:before{content:"";position:absolute;left:7px;top:3px;width:8px;height:8px;border:2px solid currentColor;border-radius:50%}
  .icon-user:after{content:"";position:absolute;left:4px;bottom:3px;width:14px;height:8px;border:2px solid currentColor;border-radius:9px 9px 3px 3px}
  .icon-audit:before{content:"";position:absolute;left:4px;top:4px;width:14px;height:14px;border:2px solid currentColor;border-radius:3px}
  .icon-audit:after{content:"≡";position:absolute;left:7px;top:0;font-size:17px;line-height:22px;font-weight:700}
  .icon-settings:before{content:"⚙";position:absolute;inset:0;font-size:21px;line-height:22px;text-align:center}
  .g-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .stat{padding:12px;border-radius:10px}
  .stat .v{font-size:19px}
  .card,.node{padding:14px;border-radius:14px;margin-bottom:12px}
  .card-head{align-items:flex-start;margin-bottom:12px}
  .card-head .row-actions{width:100%}
  .card-head .row-actions .btn{flex:1}
  .g-nodes{grid-template-columns:1fr;gap:10px}
  .toolbar{align-items:stretch;gap:8px}
  .toolbar .field{width:100%;flex:1 1 100%}
  .toolbar .checkline{min-height:40px}
  .row-actions .btn{min-height:40px}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table{min-width:760px}
  .modal-mask{align-items:flex-end;padding:0}
  .modal{max-height:92vh;border-radius:18px 18px 0 0}
  .modal-body{max-height:calc(92vh - 130px);padding:16px}
  .modal-foot{padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-radius:0}
  .modal-foot .btn{flex:1;min-height:42px}
  .form-grid{grid-template-columns:1fr;gap:12px}
  .form-grid .wide{grid-column:auto}
  .toast-root{left:14px;right:14px;bottom:calc(78px + env(safe-area-inset-bottom))}
  .toast{max-width:none}
}