:root{
  --bg:#f0f2f7; --panel:#ffffff; --panel-2:#f5f7fb; --border:#e6e9f0;
  --text:#1f2733; --muted:#8a94a6; --primary:#3b8ef5; --primary-2:#57a5ff;
  --success:#22c55e; --danger:#ef4444; --warn:#f59e0b; --radius:14px;
  --side:#1c2540; --side-2:#161d33;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 4px 16px rgba(16,24,40,.06);
  --shadow-lg:0 12px 32px rgba(16,24,40,.12);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
a{color:inherit;text-decoration:none}
.layout{display:flex;min-height:100vh}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(140,150,170,.35);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(140,150,170,.55)}

/* Sidebar */
.sidebar{width:238px;background:linear-gradient(180deg,var(--side),var(--side-2));display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:50}
.brand{padding:22px 22px 18px;font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 0 14px rgba(59,142,245,.8)}
.brand .k{color:#ff6b81}
.nav{padding:14px 12px;overflow:auto;flex:1}
.nav-section{font-size:11px;color:rgba(255,255,255,.38);text-transform:uppercase;letter-spacing:1.2px;padding:16px 12px 7px;font-weight:700}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;color:rgba(255,255,255,.68);font-size:14px;margin-bottom:3px;transition:.16s;position:relative}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(59,142,245,.4)}
.nav-item .ic{width:18px;text-align:center;opacity:.95;font-size:15px}

/* Main */
.main{flex:1;margin-left:238px;display:flex;flex-direction:column;min-width:0}
.topbar{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 3px rgba(16,24,40,.04);position:sticky;top:0;z-index:40}
.topbar h1{font-size:17px;margin:0;font-weight:700;color:var(--text)}
.topbar .user{color:var(--muted);font-size:13px;display:flex;gap:12px;align-items:center}
.content{padding:26px;max-width:1440px;width:100%}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer}

/* Cards / panels */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;overflow:hidden;box-shadow:var(--shadow)}
.card-head{padding:16px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;background:var(--panel)}
.card-head h2{font-size:15px;margin:0;font-weight:700}
.card-head .sub{font-size:12px;color:var(--muted);margin-top:4px;font-weight:400}
.card-body{padding:22px}

/* Stat grid */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-bottom:20px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);transition:.18s;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--primary),var(--primary-2))}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.stat .label{font-size:13px;color:var(--muted);font-weight:500}
.stat .num{font-size:30px;font-weight:800;margin-top:8px;color:var(--text);letter-spacing:-.5px}
.stat .num.g{color:#16a34a} .stat .num.p{color:var(--primary-2)}

/* Forms */
.input,select,textarea{background:#fff;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 12px;font-size:13px;outline:none;transition:.15s;width:100%}
.input::placeholder,textarea::placeholder{color:#b3bccb}
.input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,142,245,.14)}
textarea{font-family:var(--mono);min-height:120px;resize:vertical}
label{font-size:13px;color:var(--muted);font-weight:500}
.field{margin-bottom:15px}
.field label{display:block;margin-bottom:7px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:none;border-radius:10px;padding:9px 17px;font-size:13px;font-weight:600;cursor:pointer;transition:.15s;white-space:nowrap;box-shadow:0 2px 8px rgba(59,142,245,.28)}
.btn:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 6px 16px rgba(59,142,245,.34)}
.btn:active{transform:translateY(0)}
.btn.sm{padding:6px 12px;font-size:12px;border-radius:8px}
.btn.ghost{background:#fff;border:1px solid var(--border);color:var(--text);box-shadow:none}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(59,142,245,.06)}
.btn.danger{background:linear-gradient(135deg,#f87171,#ef4444);box-shadow:0 2px 8px rgba(239,68,68,.28)}
.btn.danger:hover{box-shadow:0 6px 16px rgba(239,68,68,.34)}
.btn.success{background:linear-gradient(135deg,#34d399,#22c55e);box-shadow:0 2px 8px rgba(34,197,94,.28)}
.btn.warn{background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 2px 8px rgba(245,158,11,.28)}

/* Search / toolbar */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar .input,.toolbar select{width:auto;min-width:160px}
.batchbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:13px 15px;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;margin-bottom:16px}
.batchbar .input,.batchbar select{width:auto;background:#fff}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
th{background:var(--panel-2);color:#6b7688;font-weight:700;font-size:12px;position:sticky;top:0}
tbody tr{transition:background .12s}
tbody tr:hover{background:#f6f8ff}
tbody tr:last-child td{border-bottom:none}
td .mono{font-family:var(--mono);font-size:12px}
td .muted,.muted{color:var(--muted)}
.wrapcell{white-space:normal;max-width:280px;word-break:break-all}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;line-height:1.5}
.badge.ok{background:rgba(34,197,94,.14);color:#15803d}
.badge.bad{background:rgba(239,68,68,.12);color:#dc2626}
.badge.info{background:rgba(59,142,245,.12);color:#3b8ef5}
.badge.warn{background:rgba(245,158,11,.14);color:#b45309}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.dot.on{background:#22c55e;box-shadow:0 0 8px rgba(34,197,94,.7)} .dot.off{background:#cbd2de}

/* Pager */
.pager{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px;font-size:13px;color:var(--muted)}
.pager form{display:flex;gap:8px;align-items:center}
.pager select{width:auto}
.pager .pages{display:flex;gap:4px;flex-wrap:wrap}
.pager .pg{padding:5px 10px;border:1px solid var(--border);border-radius:8px;color:var(--muted);background:#fff}
.pager .pg.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Modal */
.modal-mask{position:fixed;inset:0;background:rgba(16,24,40,.5);backdrop-filter:blur(2px);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-mask.show{display:flex}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:16px;width:100%;max-width:520px;max-height:90vh;overflow:auto;box-shadow:var(--shadow-lg)}
.modal h3{margin:0;padding:18px 22px;border-bottom:1px solid var(--border);font-size:15px;font-weight:700}
.modal .mbody{padding:22px}
.modal .mfoot{padding:15px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;background:var(--panel-2)}

.alert{padding:12px 15px;border-radius:10px;font-size:13px;margin-bottom:16px}
.alert.ok{background:rgba(34,197,94,.1);color:#15803d;border:1px solid rgba(34,197,94,.28)}
.alert.err{background:rgba(239,68,68,.09);color:#dc2626;border:1px solid rgba(239,68,68,.28)}
.empty{text-align:center;color:var(--muted);padding:44px}
.hide{display:none}

/* Toggle switch */
.switch{position:relative;display:inline-block;width:52px;height:28px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch .slider{position:absolute;cursor:pointer;inset:0;background:#cbd2de;border-radius:28px;transition:.2s}
.switch .slider:before{content:"";position:absolute;height:22px;width:22px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.switch input:checked+.slider{background:linear-gradient(135deg,var(--primary),var(--primary-2))}
.switch input:checked+.slider:before{transform:translateX(24px)}
.switch-row{display:flex;align-items:center;gap:14px}
.switch-row .st-on{color:#16a34a;font-weight:700}
.switch-row .st-off{color:var(--muted);font-weight:700}

/* Dashboard visualization */
.viz{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-bottom:20px}
.viz-side{display:flex;flex-direction:column;gap:20px}
.viz-side .card,.viz-trend{margin-bottom:0;height:100%}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted)}
.legend .lg{display:flex;align-items:center;gap:6px}
.legend .sw{width:12px;height:12px;border-radius:3px;display:inline-block}
.legend .sw.ok{background:linear-gradient(180deg,var(--primary-2),var(--primary))}
.legend .sw.fail{background:#dfe4ee}
.bars{display:flex;align-items:flex-end;gap:12px;height:210px}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;min-width:0}
.bar-num{font-size:12px;font-weight:700;color:var(--text);margin-bottom:6px}
.bar-track{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center}
.bar-wrap{width:100%;max-width:44px;display:flex;flex-direction:column-reverse;border-radius:8px 8px 0 0;overflow:hidden;min-height:3px;background:#f2f4f9}
.seg{width:100%;transition:height .6s cubic-bezier(.2,.7,.3,1)}
.seg.ok{background:linear-gradient(180deg,var(--primary-2),var(--primary))}
.seg.fail{background:#dfe4ee}
.bar-col:hover .seg.ok{filter:brightness(1.08)}
.bar-label{font-size:11px;color:var(--muted);margin-top:8px;white-space:nowrap}
.donut-body{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px 22px}
.donut{width:150px;height:150px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;background:#eef1f6}
.donut-hole{width:108px;height:108px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px var(--border)}
.donut .dv{font-size:27px;font-weight:800;color:var(--text);line-height:1}
.donut .dl{font-size:12px;color:var(--muted);margin-top:4px}
.donut-legend{display:flex;gap:18px;font-size:12px;color:var(--muted)}
.donut-legend .dot{vertical-align:middle}
.donut-legend b{color:var(--text)}

@media(max-width:960px){.viz{grid-template-columns:1fr}}
@media(max-width:860px){
  .sidebar{transform:translateX(-100%);transition:.25s;box-shadow:var(--shadow-lg)} .sidebar.open{transform:none}
  .main{margin-left:0} .menu-toggle{display:block} .grid2,.grid3{grid-template-columns:1fr}
  .content{padding:18px}
}