:root{
  --ink:#1a1b1f; --ink-2:#5b606b; --sub:#8a909c; --weak:#b5bac4;
  --brand:#ff4d4f; --brand-2:#ff7a45; --member:#7b5cff; --member-2:#9b7bff; --gold:#c79a3a; --ok:#18a058; --blue:#2f6bff;
  --bg:#f4f5f7; --surface:#ffffff; --surface-2:#fafbfc; --line:#eceef1; --line-2:#f2f3f5;
  --radius-sm:10px; --radius:14px; --radius-lg:18px; --radius-xl:22px; --radius-pill:999px;
  --shadow-xs:0 1px 3px rgba(20,22,40,.05); --shadow-sm:0 2px 12px rgba(20,22,40,.06);
  --shadow-md:0 8px 24px rgba(20,22,40,.10); --shadow-lg:0 18px 50px rgba(20,22,40,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px; --sp-6:24px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
body{background:linear-gradient(135deg,#e9ebf0,#dfe2e8);font-family:var(--font);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;}

/* Login Page */
#loginPage{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1b2e 0%,#2d2e4a 50%,#3d2f5f 100%);}
.login-box{width:420px;background:var(--surface);border-radius:var(--radius-xl);padding:40px 36px;box-shadow:var(--shadow-lg);}
.login-header{text-align:center;margin-bottom:32px;}
.login-header .logo-icon{font-size:48px;display:block;margin-bottom:12px;}
.login-header h1{font-size:20px;font-weight:800;margin-bottom:6px;letter-spacing:-.3px;}
.login-header p{font-size:13px;color:var(--sub);}
.login-form .form-group{margin-bottom:16px;}
.login-form label{display:block;font-size:12px;color:var(--sub);margin-bottom:7px;font-weight:600;}
.login-form input{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px 13px;font-size:13px;font-family:inherit;color:var(--ink);background:var(--surface);transition:0.18s;outline:none;}
.login-form input:focus{border-color:var(--member);box-shadow:0 0 0 3px rgba(123,92,255,.12);}
.code-input-group{display:flex;gap:8px;}
.code-input-group input{flex:1;}
.form-tip{font-size:12px;color:var(--sub);background:var(--surface-2);border:1px dashed var(--line);border-radius:11px;padding:10px 12px;margin:12px 0;line-height:1.6;}

/* Admin Layout */
#adminLayout{display:flex;min-height:100vh;}

/* Sidebar */
.sidebar{width:220px;background:linear-gradient(180deg,#1b1e27,#15171e);color:#cfd3dc;padding:22px 14px;flex:0 0 auto;display:flex;flex-direction:column;}
.sidebar .brand{color:#fff;font-weight:800;font-size:15px;padding:6px 10px 18px;display:flex;align-items:center;gap:8px;}
.sidebar .brand .mk{width:24px;height:24px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:inline-flex;align-items:center;justify-content:center;font-size:13px;}
.sidebar .nav{font-size:13px;flex:1;}
.sidebar .nav .g{color:#6b7280;font-size:10.5px;padding:16px 12px 7px;letter-spacing:1.5px;font-weight:700;}
.sidebar .nav .i{padding:10px 12px;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:10px;margin-bottom:3px;color:#aeb4c0;transition:.18s;position:relative;}
.sidebar .nav .i:hover{background:rgba(255,255,255,.06);color:#fff;}
.sidebar .nav .i.on{background:rgba(123,92,255,.18);color:#fff;font-weight:600;}
.sidebar .nav .i.on::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:0 4px 4px 0;background:var(--member);}
.sidebar-footer{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;display:flex;flex-direction:column;gap:8px;}
.sidebar-footer .user-info{color:#cfd3dc;font-size:12px;padding:0 4px;}

/* Main */
.main{flex:1;overflow:auto;padding:24px 28px;background:var(--bg);}
.main h1{font-size:20px;margin:0 0 3px;letter-spacing:-.3px;}
.main .sub{color:var(--sub);font-size:13px;margin:0 0 20px;}

/* Panel */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:16px;box-shadow:var(--shadow-xs);}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px;}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-xs);transition:.2s;position:relative;overflow:hidden;}
.kpi:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.kpi .k{font-size:12px;color:var(--sub);display:flex;align-items:center;gap:7px;}
.kpi .k .kic{width:24px;height:24px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;background:var(--surface-2);}
.kpi .v{font-size:26px;font-weight:800;margin-top:8px;letter-spacing:-.5px;}
.kpi .v small{font-size:13px;font-weight:600;color:var(--sub);}
.kpi .d{font-size:11px;margin-top:5px;color:var(--ok);display:flex;align-items:center;gap:3px;}
.kpi::after{content:"";position:absolute;right:0;bottom:0;width:60px;height:60px;background:radial-gradient(circle at bottom right,rgba(123,92,255,.07),transparent 70%);}

/* Table */
table.tb{width:100%;border-collapse:collapse;font-size:13px;}
.tb th,.tb td{text-align:left;padding:12px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle;}
.tb th{color:var(--sub);font-weight:600;background:var(--surface-2);font-size:12px;border-bottom:1px solid var(--line);}
.tb tr{transition:.15s;}
.tb tr:hover td{background:#fcfcfe;}
.tb tbody tr:last-child td{border-bottom:0;}
.tb td img{width:40px;height:40px;border-radius:8px;object-fit:cover;}

/* Tag */
.tag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:var(--radius-pill);font-weight:600;line-height:1.4;}
.tag.up{background:#e8f7ee;color:var(--ok);}
.tag.down{background:#fdeeee;color:var(--brand);}
.tag.m{background:rgba(123,92,255,.12);color:var(--member);}
.tag.g{background:#fbf6e9;color:var(--gold);}
.tag.b{background:#eaf1ff;color:var(--blue);}

/* Button */
.btn{border:0;border-radius:10px;padding:9px 17px;font-size:13px;font-weight:700;cursor:pointer;transition:.18s;font-family:inherit;}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn:active{transform:translateY(0);}
.btn.p{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;}
.btn.m{background:linear-gradient(135deg,var(--member),var(--member-2));color:#fff;}
.btn.o{background:var(--surface);border:1px solid var(--line);color:var(--ink);}
.btn.o:hover{border-color:var(--weak);}
.btn.s{background:#f0f1f4;color:var(--sub);}
.btn.sm{padding:6px 12px;font-size:12px;}
.btn-block{width:100%;padding:12px;font-size:14px;margin-top:8px;}

/* Row utilities */
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.sp{justify-content:space-between;}

/* Form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;}
.form .f{grid-column:span 1;}
.form .f.full{grid-column:span 2;}
.form label{display:block;font-size:12px;color:var(--sub);margin-bottom:7px;font-weight:600;}
.form input,.form select,.form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:13px;font-family:inherit;color:var(--ink);background:var(--surface);transition:.18s;outline:none;}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--member);box-shadow:0 0 0 3px rgba(123,92,255,.12);}
.form textarea{resize:vertical;min-height:88px;}

/* Toggle switch */
.toggle{display:flex;align-items:center;gap:8px;}
.toggle .sw{width:44px;height:25px;border-radius:var(--radius-pill);background:#d8dbe0;position:relative;cursor:pointer;transition:.2s;flex-shrink:0;}
.toggle .sw.on{background:var(--ok);}
.toggle .sw::after{content:"";position:absolute;top:2.5px;left:2.5px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.2s;box-shadow:var(--shadow-xs);}
.toggle .sw.on::after{left:21.5px;}

/* Checkbox */
.chkbox{display:flex;flex-wrap:wrap;gap:8px 12px;}
.chkbox .ck{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink-2);}
.chkbox input[type="checkbox"]{accent-color:var(--member);}

/* Feed config */
.feedcfg{display:flex;flex-direction:column;gap:9px;}
.fi{display:flex;align-items:center;gap:11px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:11px 13px;transition:.15s;}
.fi:hover{border-color:var(--weak);}
.fi .h{width:32px;height:32px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;flex:0 0 auto;box-shadow:var(--shadow-xs);}
.fi .info{flex:1;}
.fi .info .t{font-size:13px;font-weight:600;}
.fi .info .d{font-size:11px;color:var(--sub);margin-top:1px;}
.fi .mv{font-size:13px;color:var(--sub);cursor:pointer;padding:5px 9px;border-radius:7px;transition:.15s;}
.fi .mv:hover{background:var(--surface-2);color:var(--ink);}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(20,22,40,.5);display:none;align-items:center;justify-content:center;z-index:60;padding:20px;backdrop-filter:blur(3px);}
.modal.on{display:flex;}
.mbox{background:var(--surface);border-radius:var(--radius-lg);width:600px;max-width:100%;max-height:88vh;overflow:auto;padding:24px 26px;box-shadow:var(--shadow-lg);animation:pop .2s ease;}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(8px);}to{opacity:1;transform:scale(1) translateY(0);}}
.mbox h3{margin:0 0 18px;font-size:18px;letter-spacing:-.3px;}

/* Note */
.note{font-size:12px;color:var(--sub);background:var(--surface-2);border:1px dashed var(--line);border-radius:11px;padding:11px 13px;margin-top:6px;line-height:1.6;}

/* Empty state */
.empty{text-align:center;padding:46px 20px;color:var(--sub);}
.empty .ic{font-size:38px;opacity:.5;margin-bottom:10px;}
.empty .t{font-size:13px;}
.empty .s{font-size:12px;margin-top:4px;opacity:.8;}

/* Toast */
.toast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(20,22,40,.86);color:#fff;font-size:13px;padding:12px 19px;border-radius:12px;z-index:80;opacity:0;transition:.22s;pointer-events:none;box-shadow:var(--shadow-md);}
.toast.on{opacity:1;}

/* Rule list */
.rule-list .rl{margin-bottom:14px;}
.rule-list .rl:last-child{margin-bottom:0;}
.rule-list .rl b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:4px;}
.rule-list .rl span{font-size:12.5px;color:var(--sub);line-height:1.65;}

/* Responsive */
@media (max-width:1280px){
  .kpis{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .sidebar{width:72px;padding:16px 8px;}
  .sidebar .brand span:not(.mk),.sidebar .nav .g,.sidebar .nav .i span,.sidebar-footer .user-info{display:none;}
  .sidebar .nav .i{justify-content:center;padding:12px;}
  .sidebar .nav .i.on::before{display:none;}
  .main{padding:16px;}
  .kpis{grid-template-columns:1fr;}
  .form{grid-template-columns:1fr;}
  .form .f.full{grid-column:span 1;}
  .tb{font-size:12px;}
  .tb th,.tb td{padding:8px 6px;}
}