:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #0b0e13;
  --surface: #131821;
  --surface-2: #181f2a;
  --surface-3: #202938;
  --line: #2a3545;
  --text: #f4f7fb;
  --muted: #9da9b9;
  --primary: #72a7ff;
  --primary-strong: #a9c8ff;
  --success: #68d391;
  --warning: #ffcc66;
  --danger: #ff7c84;
  --radius: 14px;
  --shadow: 0 18px 50px rgb(0 0 0 / 24%);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-strong); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.layout { min-height: 100vh; display: grid; grid-template-columns: 248px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 1.2rem 1rem; border-right: 1px solid var(--line); background: #0e1218; }
.brand { display: flex; align-items: center; gap: .75rem; padding: .25rem .5rem 1.2rem; font-weight: 800; color: var(--text); }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, #528fff, #965eff); box-shadow: 0 8px 28px rgb(82 143 255 / 30%); }
.nav { display: grid; gap: .3rem; }
.nav a { display: flex; align-items: center; gap: .7rem; color: var(--muted); padding: .7rem .75rem; border-radius: 9px; font-weight: 600; }
.nav a:hover, .nav a.active { color: var(--text); background: var(--surface-2); }
.nav .icon { width: 1.3rem; text-align: center; }
.sidebar-footer { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; }
.content-shell { min-width: 0; }
.topbar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 1.5rem; border-bottom: 1px solid var(--line); background: rgb(11 14 19 / 85%); backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 10; }
.topbar-title { font-weight: 700; }
.topbar-actions { display: flex; align-items: center; gap: .7rem; }
.main { max-width: 1420px; margin: 0 auto; padding: 1.6rem; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.page-header h1 { margin: 0 0 .35rem; font-size: clamp(1.65rem, 3vw, 2.35rem); }
h1, h2, h3 { letter-spacing: -.025em; }
h2 { margin: 1.6rem 0 .85rem; }
h3 { margin: 0 0 .7rem; }
p { line-height: 1.55; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.danger-text { color: var(--danger); }
.success-text { color: var(--success); }
.warning-text { color: var(--warning); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow); min-width: 0; }
.card.flat { box-shadow: none; }
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: .9rem; }
.metric-label { color: var(--muted); font-size: .92rem; }
.metric-value { margin-top: .25rem; font-size: 1.9rem; font-weight: 800; }
.metric-detail { margin-top: .3rem; color: var(--muted); font-size: .86rem; }
.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .25rem .55rem; border-radius: 999px; background: var(--surface-3); color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .035em; }
.badge.success { color: var(--success); background: rgb(104 211 145 / 12%); }
.badge.warning { color: var(--warning); background: rgb(255 204 102 / 12%); }
.badge.danger { color: var(--danger); background: rgb(255 124 132 / 12%); }
.badge.primary { color: var(--primary-strong); background: rgb(114 167 255 / 13%); }
.actions { display: flex; flex-wrap: wrap; gap: .55rem; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 38px; border: 1px solid var(--line); border-radius: 9px; padding: .55rem .8rem; background: var(--surface-2); color: var(--text); font-weight: 700; }
.button:hover { color: var(--text); border-color: #46566f; background: var(--surface-3); }
.button.primary { background: #3979dd; border-color: #3979dd; }
.button.danger { color: #ffd5d8; border-color: rgb(255 124 132 / 36%); background: rgb(255 124 132 / 10%); }
.button.success { color: #c9f5da; border-color: rgb(104 211 145 / 36%); background: rgb(104 211 145 / 10%); }
.button.ghost { background: transparent; }
.button.small { min-height: 32px; padding: .38rem .6rem; font-size: .84rem; }
.filter-bar { display: flex; flex-wrap: wrap; gap: .65rem; margin-bottom: 1rem; }
.input { width: 100%; border: 1px solid #364357; border-radius: 9px; padding: .65rem .72rem; background: #0f141c; color: var(--text); }
.input:focus { outline: 2px solid rgb(114 167 255 / 35%); border-color: var(--primary); }
.filter-bar .input { width: auto; min-width: 180px; }
.checkbox { width: 18px; height: 18px; accent-color: #4d8ef4; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-field { min-width: 0; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: .4rem; font-size: .88rem; font-weight: 700; }
.help { margin-top: .35rem; color: var(--muted); font-size: .8rem; }
.errorlist { margin: .4rem 0 0; padding: 0; list-style: none; color: var(--danger); font-size: .85rem; }
.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .72rem .75rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .055em; }
tbody tr:hover { background: rgb(255 255 255 / 2%); }
.empty { text-align: center; padding: 2.8rem 1rem; color: var(--muted); }
.empty h3 { color: var(--text); }
.messages { display: grid; gap: .55rem; margin-bottom: 1rem; }
.message { padding: .75rem .9rem; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.message.success { border-color: rgb(104 211 145 / 35%); }
.message.error { border-color: rgb(255 124 132 / 40%); }
.message.warning { border-color: rgb(255 204 102 / 40%); }
.detail-list { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: .7rem 1rem; margin: 0; }
.detail-list dt { color: var(--muted); }
.detail-list dd { margin: 0; overflow-wrap: anywhere; }
pre { margin: 0; max-width: 100%; overflow: auto; padding: .9rem; border: 1px solid var(--line); border-radius: 10px; background: #0c1118; color: #d6e4ff; font: .82rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.list { display: grid; gap: .6rem; }
.list-item { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.list-item:last-child { border-bottom: 0; }
.stat-strip { display: flex; flex-wrap: wrap; gap: .8rem 1.3rem; }
.stat-strip strong { display: block; font-size: 1.05rem; }
.divider { border: 0; border-top: 1px solid var(--line); margin: 1.2rem 0; }
.reason-list { margin: .4rem 0 0; padding-left: 1.2rem; color: var(--warning); }
.reason-list li + li { margin-top: .45rem; }
.mobile-nav { display: none; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.3rem; }
.login-card { width: min(440px, 100%); }
@media (max-width: 1050px) {
  .span-3 { grid-column: span 6; }
  .span-4, .span-8 { grid-column: span 6; }
}
@media (max-width: 760px) {
  .layout { display: block; }
  .sidebar { display: none; }
  .mobile-nav { display: flex; overflow-x: auto; gap: .35rem; padding: .6rem .8rem; border-bottom: 1px solid var(--line); background: #0e1218; }
  .mobile-nav a { flex: 0 0 auto; padding: .5rem .65rem; border-radius: 8px; color: var(--muted); font-weight: 700; font-size: .84rem; }
  .mobile-nav a.active { background: var(--surface-2); color: var(--text); }
  .topbar { position: static; padding: .7rem .9rem; }
  .main { padding: 1rem; }
  .page-header { flex-direction: column; }
  .span-3, .span-4, .span-6, .span-8, .span-12 { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
  .detail-list { grid-template-columns: 1fr; gap: .15rem; }
  .detail-list dd { margin-bottom: .65rem; }
  .filter-bar .input { width: 100%; }
}