*,::before,::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB',sans-serif;
  background:#0a0f1e;color:#cbd5e1;min-height:100vh;
}
a{color:inherit}
button,input,select{font:inherit}
:root{
  --sidebar-w:220px;
  --topbar-h:56px;
  --bg-page:#0a0f1e;
  --bg-card:#111827;
  --border:#1e2d45;
  --text-primary:#f1f5f9;
  --text-muted:#64748b;
  --accent:#38bdf8;
  --accent2:#6366f1;
  --success:#10b981;
  --danger:#ef4444;
  --warning:#f59e0b;
}

.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  background:#0d1526;border-bottom:1px solid var(--border);
  align-items:center;padding:0 16px;z-index:200;gap:12px;
}
.topbar-brand{flex:1;font-size:17px;font-weight:700;color:var(--text-primary)}
.topbar-brand span{color:var(--accent)}
.hamburger{background:none;border:none;cursor:pointer;padding:6px;color:var(--text-primary);display:flex;flex-direction:column;gap:5px}
.hamburger span{display:block;width:22px;height:2px;background:currentColor;border-radius:2px}

.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:#0d1526;border-right:1px solid var(--border);
  z-index:150;display:flex;flex-direction:column;
  transition:transform .3s ease;
}
.sidebar-brand{
  padding:0 20px;height:64px;display:flex;align-items:center;gap:10px;
  border-bottom:1px solid var(--border);flex-shrink:0;text-decoration:none;
}
.brand-icon{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#fff;
}
.brand-name{font-size:16px;font-weight:700;color:var(--text-primary)}
.brand-name span{color:var(--accent)}
.sidebar-nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav-section{font-size:11px;font-weight:600;color:var(--text-muted);letter-spacing:.8px;padding:16px 10px 6px}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;margin-bottom:2px;
  color:#94a3b8;font-size:14px;font-weight:500;
  text-decoration:none;transition:.15s;
}
.nav-item:hover{background:rgba(255,255,255,.05);color:var(--text-primary)}
.nav-item.active{
  background:linear-gradient(90deg,rgba(56,189,248,.15),rgba(99,102,241,.08));
  color:var(--accent);border-left:3px solid var(--accent);padding-left:9px;
}
.nav-item svg{flex-shrink:0}
.sidebar-footer{
  padding:16px 20px;border-top:1px solid var(--border);flex-shrink:0;
  display:flex;align-items:center;gap:10px;
}
.admin-avatar{
  width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,#334155,#475569);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--text-primary);flex-shrink:0;
}
.admin-info{flex:1;min-width:0}
.admin-name{font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-role{font-size:11px;color:var(--text-muted)}
.logout-btn{
  background:none;border:0;color:var(--text-muted);padding:4px;border-radius:6px;cursor:pointer;display:flex;
}
.logout-btn:hover{color:var(--danger)}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:140}
.overlay.show{display:block}

.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;padding:28px}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-title{font-size:20px;font-weight:700;color:var(--text-primary)}
.page-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:24px}
.stat-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:14px;
  padding:18px 20px;position:relative;overflow:hidden;
}
.stat-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
}
.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;margin-bottom:8px}
.stat-val{font-size:26px;font-weight:700;color:var(--text-primary);line-height:1}
.stat-val.up{color:#34d399}
.stat-val.down{color:#f87171}
.stat-card.span2{grid-column:span 1}

.card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:16px}
.card-head{
  padding:16px 20px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.card-title{font-size:15px;font-weight:600;color:var(--text-primary)}
.card-body{padding:20px}
.card-note{padding:4px 20px 18px;color:var(--text-muted);font-size:13px;line-height:1.6}

.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:640px}
th{
  padding:11px 16px;text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);
  letter-spacing:.6px;background:#0d1526;border-bottom:1px solid var(--border);white-space:nowrap;
}
td{padding:13px 16px;border-bottom:1px solid rgba(30,45,69,.6);font-size:14px;vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(255,255,255,.02)}
.name-cell{font-weight:600;color:var(--text-primary)}
.sub-cell{font-size:12px;color:var(--text-muted);margin-top:3px}
.empty{text-align:center;padding:36px 16px;color:var(--text-muted)}

.badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;
  font-size:11px;font-weight:600;white-space:nowrap;
}
.badge-green{background:rgba(16,185,129,.15);color:#34d399;border:1px solid rgba(16,185,129,.2)}
.badge-red{background:rgba(239,68,68,.12);color:#f87171;border:1px solid rgba(239,68,68,.2)}
.badge-blue{background:rgba(56,189,248,.12);color:#7dd3fc;border:1px solid rgba(56,189,248,.2)}
.badge-yellow{background:rgba(245,158,11,.12);color:#fbbf24;border:1px solid rgba(245,158,11,.2)}
.badge-gray{background:rgba(100,116,139,.12);color:#94a3b8;border:1px solid rgba(100,116,139,.2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 16px;border-radius:9px;border:none;
  font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 3px 12px rgba(56,189,248,.2)}
.btn-danger{background:rgba(239,68,68,.12);color:#f87171;border:1px solid rgba(239,68,68,.2)}
.btn-ghost{background:rgba(255,255,255,.05);color:#94a3b8;border:1px solid var(--border)}
.btn-ghost:hover{color:var(--text-primary)}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:7px}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  text-decoration:none;padding:7px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:#94a3b8;border:1px solid var(--border);background:rgba(255,255,255,.04);
}
.chip.on{color:var(--accent);border-color:rgba(56,189,248,.4);background:rgba(56,189,248,.12)}

.search{display:flex;gap:8px;flex:1;min-width:220px}
.search .form-control{height:38px}

.form-card{max-width:640px}
.form-wide{max-width:860px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:6px}
.form-control{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:9px;
  padding:10px 14px;color:var(--text-primary);font-size:14px;outline:none;color-scheme:dark;
}
.form-control:focus{border-color:rgba(56,189,248,.5);box-shadow:0 0 0 3px rgba(56,189,248,.08)}
select.form-control{cursor:pointer}
.hint{color:var(--text-muted);font-size:12px;line-height:1.6;margin-top:6px}
.quick-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.quick-row .btn.on{color:var(--accent);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.12)}
.choice{display:flex;gap:8px}
.choice label{
  flex:1;height:42px;border-radius:9px;border:1px solid var(--border);
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;
  color:#94a3b8;font-size:14px;font-weight:600;cursor:pointer;
}
.choice label.on{color:var(--accent);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.1)}
.choice input{position:absolute;width:1px;height:1px;opacity:0}
.round-head{display:flex;align-items:center;justify-content:space-between;margin:8px 0 4px}
.round-head span{font-size:13px;font-weight:600;color:var(--text-primary)}
.single,.triple{display:grid;gap:8px;align-items:end;margin-top:10px}
.single{grid-template-columns:1fr auto}
.triple{grid-template-columns:1fr 1fr 1fr auto}
.single .form-label,.triple .form-label{margin-bottom:6px}

.flash{
  margin-bottom:16px;padding:12px 14px;border-radius:10px;
  background:rgba(16,185,129,.12);color:#34d399;border:1px solid rgba(16,185,129,.25);font-size:14px;font-weight:600;
}
.flash.bad{background:rgba(239,68,68,.12);color:#fca5a5;border-color:rgba(239,68,68,.25)}

.login-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;
  position:relative;overflow:hidden;
}
.login-body::before{
  content:'';position:absolute;top:-20%;left:-10%;width:60%;height:60%;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.12),transparent 70%);pointer-events:none;
}
.login-body::after{
  content:'';position:absolute;bottom:-20%;right:-10%;width:70%;height:70%;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.12),transparent 70%);pointer-events:none;
}
.login-card{
  position:relative;z-index:1;width:100%;max-width:400px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:20px;padding:40px 36px 36px;box-shadow:0 24px 64px rgba(0,0,0,.5);
}
.logo{text-align:center;margin-bottom:28px}
.logo-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#38bdf8,#6366f1);color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 8px 24px rgba(56,189,248,.3);
}
.logo-title{font-size:22px;font-weight:700;color:#f1f5f9}
.logo-sub{font-size:13px;color:#64748b;margin-top:4px}
.login-card .btn-primary{width:100%;margin-top:8px;padding:13px;font-size:15px}
.login-card .flash{text-align:center}

@media(max-width:1100px){
  .stats-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-wrap{margin-left:0;padding:calc(var(--topbar-h) + 16px) 14px 24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-card:last-child{grid-column:1 / -1}
  .stat-card{padding:14px 16px}
  .stat-val{font-size:22px}
  .page-title{font-size:18px}
  .triple{grid-template-columns:1fr 1fr}
  .triple .btn{grid-column:1 / -1}
  .login-card{padding:32px 22px 28px}
}