:root{
  --bg:#f3f5f9;--card:#ffffff;--border:#d1d5db;--text:#111827;--muted:#6b7280;--soft:#f8fafc;
  --primary:#2563eb;--primary-600:#1d4ed8;--primary-50:#eff6ff;
  --danger:#dc2626;--danger-50:#fef2f2;--success:#16a34a;--success-50:#f0fdf4;--warn:#d97706;--warn-50:#fffbeb;
  --side:#0f172a;--side-2:#1e293b;--side-text:#cbd5e1;--radius:12px;
  --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{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"PingFang SC","Microsoft YaHei",monospace;font-size:12.5px;background:var(--soft);border:1px solid var(--border);border-radius:6px;padding:1px 6px}
h1,h2,h3{margin:0;font-weight:700}
h1{font-size:22px}
h2{font-size:16px}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
svg.i{width:18px;height:18px;flex:none;vertical-align:-4px}

/* 布局 */
.app{display:flex;min-height:100vh}
.side{width:232px;flex:none;background:var(--side);color:var(--side-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:22px 20px 18px;color:#fff;font-weight:800;font-size:17px;letter-spacing:.01em}
.brand .logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#3b82f6,#22d3ee);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:900;flex:none}
.side nav{display:flex;flex-direction:column;gap:2px;padding:6px 12px}
.side nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;color:var(--side-text);font-weight:500}
.side nav a:hover{background:var(--side-2);color:#fff;text-decoration:none}
.side nav a.active{background:var(--primary);color:#fff}
.side-foot{margin-top:auto;padding:16px 20px 20px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px}
.side-foot .dom{color:#94a3b8;margin-bottom:10px;word-break:break-all}
.side-foot .dom b{color:#e2e8f0;font-weight:600}
.side-foot button{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--side-text);padding:7px 10px;border-radius:8px;cursor:pointer;width:100%}
.side-foot button:hover{background:var(--side-2);color:#fff}
.main{flex:1;min-width:0;padding:28px 32px 60px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head .sub{color:var(--muted);margin-top:4px;font-size:13px}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-body{padding:20px 22px}
.card + .card{margin-top:18px}
.card-head{padding:16px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-head h2{font-size:15px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .k{font-size:12.5px;color:var(--muted);margin-bottom:6px}
.stat .v{font-size:26px;font-weight:800;letter-spacing:-.01em}
.stat .s{font-size:12px;color:var(--muted);margin-top:4px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:9px;border:1px solid var(--primary);background:var(--primary);color:#fff;font-weight:600;cursor:pointer;white-space:nowrap;transition:.15s;line-height:1.2}
.btn:hover{background:var(--primary-600);border-color:var(--primary-600);text-decoration:none}
.btn.secondary{background:#fff;color:var(--text);border-color:var(--border)}
.btn.secondary:hover{background:var(--soft)}
.btn.danger{background:#fff;color:var(--danger);border-color:#fecaca}
.btn.danger:hover{background:var(--danger-50)}
.btn.sm{padding:5px 9px;font-size:12.5px;border-radius:7px}
.btn.ghost{background:transparent;border-color:transparent;color:var(--primary);padding:5px 8px}
.btn.ghost:hover{background:var(--primary-50)}
.btn.ghost.danger{color:var(--danger)}
.btn.ghost.danger:hover{background:var(--danger-50)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.block{width:100%;justify-content:center;padding:11px}
.row-actions{display:flex;gap:2px;flex-wrap:wrap}
.row-actions form{display:inline}

/* 表单 */
.field{margin-bottom:18px}
.field label.l{display:block;font-weight:600;margin-bottom:6px;font-size:13.5px}
.field .help{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.5}
.input,.select,.textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:9px;background:#fff;outline:none;transition:.15s}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.textarea{min-height:96px;resize:vertical}
.input-group{display:flex;align-items:stretch}
.input-group .input{border-radius:9px 0 0 9px}
.input-group .addon{display:flex;align-items:center;padding:0 12px;border:1px solid var(--border);border-left:0;border-radius:0 9px 9px 0;background:var(--soft);color:var(--muted);white-space:nowrap;font-size:13px}
.form-narrow{max-width:760px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.check{display:flex;align-items:center;gap:8px;cursor:pointer}
.check input{width:16px;height:16px}
.radio-cards{display:flex;gap:10px;flex-wrap:wrap}
.radio-card{flex:1;min-width:200px;border:1px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;display:flex;gap:10px;align-items:flex-start;background:#fff}
.radio-card input{margin-top:3px}
.radio-card b{display:block;font-size:13.5px}
.radio-card span{font-size:12.5px;color:var(--muted)}
.radio-card:has(input:checked){border-color:var(--primary);background:var(--primary-50);box-shadow:0 0 0 1px var(--primary)}
.themes{display:flex;gap:12px;flex-wrap:wrap}
.theme{cursor:pointer;text-align:center;font-size:12.5px;color:var(--muted)}
.theme input{position:absolute;opacity:0;width:0;height:0}
.theme .sw{width:54px;height:54px;border-radius:14px;margin:0 auto 6px;border:2px solid #fff;box-shadow:0 0 0 1px var(--border);transition:.15s}
.theme:has(input:checked) .sw{box-shadow:0 0 0 3px var(--primary)}
.theme:has(input:checked){color:var(--text);font-weight:600}
.img-preview{display:flex;align-items:center;gap:14px;margin-top:10px}
.img-preview img{width:72px;height:72px;object-fit:contain;border-radius:10px;border:1px solid var(--border);background:var(--soft)}
.file{font-size:13px}
.section-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:6px 0 14px}
.divider{height:1px;background:var(--border);margin:10px 0 22px}
.hidden{display:none!important}

/* 表格 */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 14px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--border)}
th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em;background:var(--soft);white-space:nowrap}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbfd}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
th.num{text-align:right}
.page-cell .u{font-weight:600;display:flex;align-items:center;gap:6px}
.page-cell .u a{color:var(--text)}
.page-cell .n{color:var(--muted);font-size:12.5px;margin-top:2px}
.copy{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:2px;border-radius:5px;display:inline-flex}
.copy:hover{color:var(--primary);background:var(--primary-50)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:1px}
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.badge.on{background:var(--success-50);color:var(--success)}
.badge.off{background:#f1f5f9;color:var(--muted)}
.badge.tpl{background:var(--primary-50);color:var(--primary)}
.badge.html{background:#fdf4ff;color:#a21caf}
.target{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;font-size:12.5px}
.target.def{color:var(--muted)}
.empty{padding:48px 20px;text-align:center;color:var(--muted)}
.empty b{display:block;color:var(--text);font-size:15px;margin-bottom:6px}
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.toolbar .input{max-width:320px}

/* 提示 */
.alert{padding:12px 14px;border-radius:10px;border:1px solid;margin-bottom:18px;font-size:13.5px;display:flex;gap:10px;align-items:flex-start}
.alert.warn{background:var(--warn-50);border-color:#fde68a;color:#92400e}
.alert.info{background:var(--primary-50);border-color:#bfdbfe;color:#1e40af}
.alert.err{background:var(--danger-50);border-color:#fecaca;color:#991b1b}
.alert.ok{background:var(--success-50);border-color:#bbf7d0;color:#166534}
.toast{position:fixed;top:18px;right:18px;z-index:50;padding:12px 16px;border-radius:10px;color:#fff;background:#111827;box-shadow:0 10px 30px rgba(0,0,0,.2);font-weight:500;animation:toast .3s ease-out;max-width:360px}
.toast.ok{background:var(--success)}
.toast.err{background:var(--danger)}
@keyframes toast{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* 统计条 */
.bar{height:8px;background:var(--primary-50);border-radius:4px;overflow:hidden;min-width:120px}
.bar i{display:block;height:100%;background:var(--primary);border-radius:4px}
.bar.c i{background:#a21caf}

/* 登录 / 初始化 */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,#0f172a,#1e3a8a 70%,#2563eb)}
.auth .box{width:100%;max-width:420px;background:#fff;border-radius:18px;padding:34px 32px 28px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.auth .box.wide{max-width:520px}
.auth h1{font-size:20px;margin-bottom:4px}
.auth .sub{color:var(--muted);margin-bottom:22px;font-size:13.5px}
.auth .brand{padding:0 0 18px;color:var(--text)}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:40;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;padding:20px}
.modal .box{width:100%;max-width:520px;background:#fff;border-radius:16px;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal h2{margin-bottom:14px}
.modal .foot{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
kbd{font-family:inherit;background:var(--soft);border:1px solid var(--border);border-radius:5px;padding:0 5px;font-size:12px}

@media (max-width:900px){
  .app{flex-direction:column}
  .side{width:100%;height:auto;position:static;flex-direction:row;align-items:center;flex-wrap:wrap;padding:0 8px}
  .brand{padding:12px 12px;flex:1}
  .side nav{order:3;flex-basis:100%;flex-direction:row;padding:0 4px 8px;overflow-x:auto}
  .side nav a{padding:8px 10px;white-space:nowrap}
  .side-foot{order:2;margin:0;padding:8px 12px;border:0;display:flex;align-items:center;gap:12px}
  .side-foot .dom{margin:0;display:none}
  .side-foot button{width:auto}
  .main{padding:18px 14px 50px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
}