:root {
  --blue: #2563EB;
  --blue-bright: #3B82F6;
  --blue-soft: rgba(37,99,235,0.18);
  --bg: #0A0F1A;
  --panel: #111827;
  --panel-2: #1A2332;
  --line: #232D3F;
  --ink: #E5E9F0;
  --ink-sub: #8893A8;
  --green: #22C55E;
  --yellow: #EAB308;
  --orange: #F97316;
  --red: #EF4444;
  --purple: #A855F7;
}
.theme-light {
  --bg: #F8FAFC;
  --panel: #FFFFFF;
  --panel-2: #F1F5F9;
  --line: #E2E8F0;
  --ink: #0F172A;
  --ink-sub: #64748B;
}
* { box-sizing: border-box; }
html, body { margin: 0; font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--ink); font-size: 14px; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.mono { font-family: 'JetBrains Mono', monospace; }

body { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 12px; position: sticky; top: 0; height: 100vh; }
.sidebar .brand { display: flex; align-items: center; gap: 8px; padding: 6px 8px 16px; font-weight: 700; font-size: 17px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.sidenav { display: flex; flex-direction: column; gap: 2px; }
.sidenav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: var(--ink-sub); font-size: 14px; }
.sidenav a:hover { background: var(--panel-2); color: var(--ink); }
.sidenav a.active { background: var(--blue-soft); color: var(--blue-bright); }
.sidenav .badge-red { background: var(--red); color: #fff; font-size: 11px; padding: 0 6px; border-radius: 999px; margin-left: auto; font-weight: 600; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { background: var(--panel); border-bottom: 1px solid var(--line); padding: 12px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; position: sticky; top: 0; z-index: 20; }
.tb-left { display: flex; align-items: center; gap: 14px; }
.tb-right { display: flex; align-items: center; gap: 10px; }
.org-select { background: var(--panel-2); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font-size: 14px; }
.env-tabs { display: flex; background: var(--panel-2); border-radius: 8px; padding: 3px; gap: 2px; }
.env-tabs button { background: transparent; border: none; color: var(--ink-sub); padding: 6px 12px; border-radius: 6px; font-size: 13px; }
.env-tabs button.active { background: var(--panel); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.2); }
.time-range { display: flex; gap: 2px; background: var(--panel-2); border-radius: 8px; padding: 3px; }
.tr-btn { background: transparent; border: none; color: var(--ink-sub); padding: 6px 10px; border-radius: 6px; font-size: 12px; font-family: monospace; }
.tr-btn.active { background: var(--blue); color: #fff; }
.tb-search { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 8px 14px; font-size: 13px; width: 320px; outline: none; }
.tb-search:focus { border-color: var(--blue); }
.icon-btn { background: var(--panel-2); border: 1px solid var(--line); border-radius: 50%; width: 34px; height: 34px; color: var(--ink); position: relative; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; }
.badge-red { background: var(--red); color: #fff; font-size: 10px; padding: 1px 5px; border-radius: 999px; position: absolute; top: -4px; right: -4px; font-weight: 700; }
.badge-red.small { min-width: 16px; height: 16px; display: inline-flex; align-items: center; justify-content: center; }

.page-body { padding: 24px; }

.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi-tile { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; position: relative; }
.kpi-tile .lbl { color: var(--ink-sub); font-size: 12px; margin-bottom: 8px; }
.kpi-tile .val { font-size: 28px; font-weight: 700; }
.kpi-tile .trend { font-size: 12px; margin-top: 4px; }
.kpi-tile .trend.up { color: var(--green); }
.kpi-tile .trend.down { color: var(--red); }
.kpi-tile .spark-line { position: absolute; bottom: 12px; right: 12px; }

.dashboard-grid { display: grid; grid-template-columns: 1fr 340px; gap: 18px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.section-head h3 { margin: 0; font-size: 15px; }
.section-head .muted { color: var(--ink-sub); font-size: 12px; }

.endpoint-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.endpoint-card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; cursor: pointer; transition: transform .12s, border-color .12s; }
.endpoint-card:hover { border-color: var(--blue-bright); transform: translateY(-1px); }
.endpoint-card .top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.method { font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 4px; }
.method.GET { background: rgba(34,197,94,0.18); color: var(--green); }
.method.POST { background: rgba(59,130,246,0.18); color: var(--blue-bright); }
.method.PUT, .method.PATCH { background: rgba(168,85,247,0.18); color: var(--purple); }
.method.DELETE { background: rgba(239,68,68,0.18); color: var(--red); }
.health-dot { width: 8px; height: 8px; border-radius: 50%; margin-left: auto; }
.health-dot.green { background: var(--green); box-shadow: 0 0 8px rgba(34,197,94,0.5); }
.health-dot.yellow { background: var(--yellow); box-shadow: 0 0 8px rgba(234,179,8,0.5); }
.health-dot.red { background: var(--red); box-shadow: 0 0 8px rgba(239,68,68,0.5); }
.endpoint-card .path { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--ink); word-break: break-all; }
.endpoint-card .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.endpoint-card .stat .skey { font-size: 10px; color: var(--ink-sub); text-transform: uppercase; }
.endpoint-card .stat .sval { font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 600; }
.endpoint-card .stat .sval.red { color: var(--red); }
.endpoint-card .stat .sval.yellow { color: var(--yellow); }

.alert-rail { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; height: fit-content; position: sticky; top: 100px; }
.rail-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.rail-head h3 { margin: 0; font-size: 14px; }
.rail-head .count { background: var(--red); color: #fff; padding: 1px 8px; border-radius: 999px; font-size: 11px; margin-left: 4px; }
.rail-head a { color: var(--blue-bright); font-size: 12px; }
.alert-item { padding: 12px 0; border-top: 1px solid var(--line); }
.alert-item:first-child { border-top: none; }
.alert-item .ai-top { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
.severity-pill { display: inline-block; padding: 1px 6px; border-radius: 4px; font-size: 10px; font-weight: 700; text-transform: uppercase; }
.severity-pill.critical { background: rgba(239,68,68,0.2); color: var(--red); }
.severity-pill.warning { background: rgba(234,179,8,0.2); color: var(--yellow); }
.severity-pill.info { background: rgba(59,130,246,0.2); color: var(--blue-bright); }
.alert-item .ep { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-sub); margin-left: auto; }
.alert-item .desc { color: var(--ink); font-size: 13px; margin: 4px 0; }
.alert-item .when { color: var(--ink-sub); font-size: 11px; }
.alert-item .actions { display: flex; gap: 6px; margin-top: 8px; }
.alert-item .actions button { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink-sub); padding: 4px 10px; border-radius: 6px; font-size: 11px; }
.alert-item .actions button:hover { color: var(--ink); border-color: var(--blue-bright); }

.chart-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.chart-card h3 { margin: 0 0 14px; font-size: 14px; }
.legend-row { display: flex; gap: 12px; font-size: 12px; color: var(--ink-sub); margin-top: 8px; }
.legend-row .dot { display: inline-block; width: 8px; height: 2px; border-radius: 1px; margin-right: 4px; }

.btn-primary { background: var(--blue); color: #fff; border: none; padding: 8px 16px; border-radius: 6px; font-size: 13px; font-weight: 500; }
.btn-primary:hover { background: #1D4ED8; }
.btn-secondary { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); padding: 8px 16px; border-radius: 6px; font-size: 13px; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 200; }
.modal.hidden { display: none; }
.modal-box { background: var(--panel); padding: 24px; border-radius: 12px; max-width: 420px; border: 1px solid var(--line); }
.modal-box h3 { margin: 0 0 8px; font-size: 18px; }
.modal-box p { margin: 0 0 18px; color: var(--ink-sub); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

.dash-footer { padding: 14px 24px; text-align: center; color: var(--ink-sub); font-size: 12px; border-top: 1px solid var(--line); }

/* endpoint detail */
.detail-head { background: var(--panel); border-bottom: 1px solid var(--line); padding: 22px 24px; }
.detail-head .row1 { display: flex; align-items: center; gap: 12px; }
.detail-head .row1 h1 { font-family: 'JetBrains Mono', monospace; font-size: 22px; margin: 0; }
.health-badge { padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.health-badge.green { background: rgba(34,197,94,0.18); color: var(--green); }
.health-badge.yellow { background: rgba(234,179,8,0.18); color: var(--yellow); }
.health-badge.red { background: rgba(239,68,68,0.18); color: var(--red); }
.detail-head .row2 { display: flex; gap: 24px; color: var(--ink-sub); margin-top: 8px; font-size: 13px; align-items: center; }
.owner-chip { display: inline-flex; gap: 6px; align-items: center; background: var(--panel-2); padding: 4px 10px; border-radius: 999px; }
.owner-chip .av { width: 22px; height: 22px; border-radius: 50%; background: linear-gradient(135deg, #3B82F6, #A855F7); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; }

.detail-body { padding: 24px; display: grid; grid-template-columns: 1fr; gap: 18px; }
.kpi-row6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.kpi-row6 .kpi-tile { padding: 14px; }
.kpi-row6 .kpi-tile .val { font-size: 22px; }

.trend-charts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.trend-charts .chart-card h3 { font-size: 13px; }

.tab-bar { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.tab-bar button { background: transparent; border: none; color: var(--ink-sub); padding: 10px 14px; font-size: 13px; border-bottom: 2px solid transparent; }
.tab-bar button.active { color: var(--blue-bright); border-color: var(--blue-bright); }

.stacked-bar { display: flex; flex-direction: column; gap: 6px; padding: 12px 0; }
.stacked-row { display: grid; grid-template-columns: 80px 1fr 60px; gap: 12px; align-items: center; font-size: 13px; }
.stacked-row .key { font-family: 'JetBrains Mono', monospace; color: var(--ink-sub); }
.stacked-row .bar { background: var(--panel-2); height: 16px; border-radius: 3px; overflow: hidden; }
.stacked-row .bar > span { display: block; height: 100%; background: var(--red); }
.stacked-row .val { text-align: right; font-family: 'JetBrains Mono', monospace; }

.page-shell { padding: 24px; }
.page-shell h1 { margin: 0 0 6px; font-size: 22px; }
.page-shell .page-sub { color: var(--ink-sub); margin: 0 0 22px; font-size: 14px; }
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar select, .toolbar input { background: var(--panel-2); border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 8px 12px; font-size: 13px; }
.data-table { width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.data-table th, .data-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.data-table th { color: var(--ink-sub); font-weight: 500; cursor: pointer; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--panel-2); cursor: pointer; }

.service-map { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }

@media (max-width: 1100px) {
  body { grid-template-columns: 64px 1fr; }
  .sidebar .brand span { display: none; }
  .sidenav a span:not(.badge-red) { display: none; }
  .sidenav a { justify-content: center; }
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .tb-search { width: 200px; }
  .trend-charts { grid-template-columns: 1fr; }
  .kpi-row6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 880px) {
  .topbar { flex-wrap: wrap; gap: 8px; }
  .tb-left { flex-wrap: wrap; }
  .tb-search { width: 140px; }
  .kpi-row { grid-template-columns: 1fr; }
  .kpi-row6 { grid-template-columns: 1fr 1fr; }
}