:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --panel-soft:#f8fafc;
  --text:#152033;
  --muted:#6b7a90;
  --line:#e7edf5;
  --line-strong:#d6dfeb;
  --primary:#1f6fff;
  --primary-soft:#edf4ff;
  --success:#159f64;
  --success-soft:#e9fbf2;
  --warning:#b7791f;
  --warning-soft:#fff6e5;
  --danger:#d14343;
  --danger-soft:#fff1f1;
  --shadow:0 20px 60px rgba(30,55,90,.08);
  --radius:20px;
  --radius-sm:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 420px at 5% -5%, rgba(31,111,255,.10), transparent 45%),
    radial-gradient(1200px 440px at 100% 0%, rgba(16,185,129,.08), transparent 48%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  min-height:100vh;
}
a{color:inherit}
.shell{
  max-width:1400px;
  margin:0 auto;
  padding:24px;
  display:grid;
  grid-template-columns:260px 1fr;
  gap:22px;
}
.sidebar{
  position:sticky;
  top:24px;
  align-self:start;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--shadow);
  border-radius:28px;
  padding:18px;
}
.brand{
  padding:10px 10px 18px;
  border-bottom:1px solid var(--line);
  margin-bottom:18px;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  background:linear-gradient(135deg,#1f6fff,#6da4ff);
  box-shadow:0 12px 30px rgba(31,111,255,.24);
  margin-bottom:14px;
}
.brand-title{font-size:18px;font-weight:700;letter-spacing:.01em}
.brand-sub{margin-top:6px;color:var(--muted);font-size:13px;line-height:1.55}
.nav-group{display:grid;gap:8px}
.nav-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  text-decoration:none;
  border:1px solid transparent;
  border-radius:16px;
  padding:12px 14px;
  color:var(--muted);
  transition:.18s ease;
}
.nav-link:hover{
  color:var(--text);
  background:var(--panel-soft);
  border-color:var(--line);
}
.nav-link.active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:#cfe0ff;
  font-weight:600;
}
.nav-kicker{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:#99a8be;
  margin:12px 10px 6px;
}
.sidebar-footer{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.logout-btn{
  width:100%;
}
.main{
  min-width:0;
}
.hero{
  background:linear-gradient(145deg, rgba(255,255,255,.92), rgba(248,251,255,.96));
  border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--shadow);
  border-radius:28px;
  padding:26px 28px;
  display:flex;
  justify-content:space-between;
  gap:24px;
  align-items:flex-start;
}
.eyebrow{
  color:var(--primary);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:700;
}
.hero h1{
  margin:8px 0 10px;
  font-size:30px;
  line-height:1.2;
}
.hero p{
  margin:0;
  color:var(--muted);
  max-width:760px;
  line-height:1.7;
}
.hero-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.content{
  margin-top:18px;
  display:grid;
  gap:18px;
}
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.card,.panel{
  background:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--shadow);
  border-radius:24px;
}
.card{
  padding:18px 20px;
}
.stat-label{
  color:var(--muted);
  font-size:13px;
}
.stat-value{
  margin-top:10px;
  font-size:30px;
  font-weight:700;
  letter-spacing:-.02em;
}
.stat-note{
  margin-top:8px;
  color:#8a9ab2;
  font-size:12px;
}
.panel{
  padding:20px;
}
.panel-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
  margin-bottom:18px;
}
.panel-title{
  font-size:18px;
  font-weight:700;
}
.panel-sub{
  margin-top:6px;
  color:var(--muted);
  font-size:13px;
  line-height:1.6;
}
.two-col{
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:18px;
}
.three-col{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:12px;
}
.field{
  display:grid;
  gap:6px;
}
.field label{
  font-size:12px;
  color:var(--muted);
  font-weight:600;
}
.field-3{grid-column:span 3}
.field-4{grid-column:span 4}
.field-6{grid-column:span 6}
.field-8{grid-column:span 8}
.field-12{grid-column:span 12}
input,select,textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:var(--text);
  padding:12px 13px;
  font:inherit;
  outline:none;
  transition:.18s ease;
}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{
  border-color:#bfd3ff;
  box-shadow:0 0 0 4px rgba(31,111,255,.10);
}
.btn{
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:var(--text);
  padding:11px 16px;
  font:inherit;
  font-weight:600;
  cursor:pointer;
  transition:.18s ease;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,55,90,.08)}
.btn-primary{
  background:linear-gradient(180deg,#2f80ff,#1f6fff);
  color:#fff;
  border-color:#2a74e8;
}
.btn-soft{
  background:var(--primary-soft);
  color:var(--primary);
  border-color:#d8e6ff;
}
.btn-danger{
  background:var(--danger-soft);
  color:var(--danger);
  border-color:#ffd6d6;
}
.btn-inline{
  padding:9px 12px;
  border-radius:12px;
  font-size:13px;
}
.toolbar{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.toolbar form{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}
.table-wrap{
  overflow:auto;
  border:1px solid var(--line);
  border-radius:20px;
}
table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  min-width:860px;
  background:#fff;
}
th,td{
  padding:14px 14px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  font-size:13px;
}
th{
  position:sticky;
  top:0;
  background:#fbfcfe;
  color:var(--muted);
  font-weight:700;
  white-space:nowrap;
}
tbody tr:nth-child(even) td{background:#fcfdff}
.table-actions{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:12px;
  white-space:nowrap;
}
.badge.success{
  color:var(--success);
  background:var(--success-soft);
  border-color:#c9f0dc;
}
.badge.warning{
  color:var(--warning);
  background:var(--warning-soft);
  border-color:#ffe0aa;
}
.badge.danger{
  color:var(--danger);
  background:var(--danger-soft);
  border-color:#ffd4d4;
}
.metric-list{
  display:grid;
  gap:10px;
}
.metric-item{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:16px;
  background:var(--panel-soft);
  border:1px solid var(--line);
}
.metric-item span:last-child{font-weight:700}
.empty{
  padding:28px;
  border:1px dashed var(--line-strong);
  border-radius:18px;
  text-align:center;
  color:var(--muted);
  background:linear-gradient(180deg,#fff,#fbfcfe);
}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
@media (max-width:1200px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col,.three-col{grid-template-columns:1fr}
}
@media (max-width:980px){
  .shell{grid-template-columns:1fr;padding:14px}
  .sidebar{position:static}
  .hero{padding:22px;flex-direction:column}
}
@media (max-width:680px){
  .stats{grid-template-columns:1fr}
  .field-3,.field-4,.field-6,.field-8,.field-12{grid-column:span 12}
  .panel,.card{padding:16px}
  th,td{padding:12px 10px}
}