:root {
  --cable-ink: oklch(0.18 0.025 248);
  --cable-muted: oklch(0.45 0.025 248);
  --cable-soft: oklch(0.62 0.02 248);
  --rack-floor: oklch(0.975 0.008 235);
  --rack-panel: #ffffff;
  --rack-panel-2: oklch(0.955 0.012 235);
  --rack-line: oklch(0.84 0.025 235);
  --link-blue: oklch(0.52 0.16 245);
  --online-green: oklch(0.58 0.15 158);
  --warn-amber: oklch(0.74 0.14 78);
  --danger-red: oklch(0.58 0.18 28);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --radius: 8px;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }
html { font-family: var(--font-sans); color: var(--cable-ink); background: var(--rack-floor); }
body { margin: 0; min-height: 100dvh; font-size: 14px; line-height: 1.45; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100dvh; }
.side { border-right: 1px solid var(--rack-line); background: oklch(0.985 0.006 235); padding: var(--space-4); position: sticky; top: 0; height: 100dvh; }
.brand { display: grid; gap: var(--space-1); padding-bottom: var(--space-4); border-bottom: 1px solid var(--rack-line); }
.brand strong { font-size: 18px; line-height: 1.1; }
.brand span, .label { color: var(--cable-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0; }
.nav { display: grid; gap: var(--space-2); margin-top: var(--space-4); }
.nav a { display: flex; align-items: center; gap: var(--space-2); min-height: 36px; padding: 0 var(--space-3); border: 1px solid transparent; border-radius: var(--radius); color: var(--cable-muted); font-weight: 700; }
.nav a.active, .nav a:hover { background: var(--rack-panel); border-color: var(--rack-line); color: var(--cable-ink); }
.main { min-width: 0; padding: var(--space-5); }
.topbar { display: flex; justify-content: space-between; gap: var(--space-4); align-items: flex-start; margin-bottom: var(--space-4); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 24px; line-height: 1.1; margin-bottom: var(--space-1); }
h2 { font-size: 16px; margin-bottom: var(--space-3); }
h3 { font-size: 14px; margin-bottom: var(--space-2); }
.subtle { color: var(--cable-muted); }
.grid { display: grid; gap: var(--space-4); }
.metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric, .panel, .table-wrap, .auth-card { background: var(--rack-panel); border: 1px solid var(--rack-line); border-radius: var(--radius); }
.metric { padding: var(--space-4); min-height: 92px; display: grid; align-content: space-between; }
.metric strong { font: 700 26px/1 var(--font-mono); }
.metric span { color: var(--cable-muted); font-size: 12px; font-weight: 700; }
.panel { padding: var(--space-4); }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 36px; padding: 0 var(--space-3); border: 1px solid var(--rack-line); border-radius: var(--radius); background: var(--rack-panel); color: var(--cable-ink); font-weight: 800; cursor: pointer; }
.btn.primary { background: var(--link-blue); border-color: var(--link-blue); color: white; }
.btn.danger { background: color-mix(in oklch, var(--danger-red) 12%, white); color: var(--danger-red); }
.btn:hover { filter: brightness(0.98); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.field { display: grid; gap: var(--space-1); }
.field.full { grid-column: 1 / -1; }
.field input, .field select, .field textarea { width: 100%; min-height: 38px; border: 1px solid var(--rack-line); border-radius: var(--radius); background: var(--rack-panel-2); padding: var(--space-2) var(--space-3); color: var(--cable-ink); }
.field textarea { min-height: 82px; resize: vertical; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 920px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--rack-line); text-align: left; vertical-align: top; }
th { color: var(--cable-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0; background: var(--rack-panel-2); }
td code, .mono { font-family: var(--font-mono); font-size: 12px; }
.pill { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border-radius: 999px; border: 1px solid var(--rack-line); font-size: 12px; font-weight: 800; white-space: nowrap; }
.pill.green { color: var(--online-green); background: color-mix(in oklch, var(--online-green) 10%, white); }
.pill.red { color: var(--danger-red); background: color-mix(in oklch, var(--danger-red) 10%, white); }
.pill.amber { color: oklch(0.46 0.12 70); background: color-mix(in oklch, var(--warn-amber) 20%, white); }
.flash { padding: var(--space-3); border-radius: var(--radius); margin-bottom: var(--space-3); border: 1px solid var(--rack-line); background: var(--rack-panel); font-weight: 700; }
.flash.error { color: var(--danger-red); }
.empty { padding: var(--space-5); text-align: center; color: var(--cable-muted); }
.auth-page { display: grid; place-items: center; min-height: 100dvh; padding: var(--space-5); }
.auth-card { width: min(460px, 100%); padding: var(--space-5); }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: var(--space-4); align-items: start; }
.member-name { display: grid; gap: 2px; }
.member-name strong { font-size: 13px; }
.member-name span { color: var(--cable-muted); font-size: 12px; }
.mini { color: var(--cable-soft); font-size: 12px; }
.danger-text { color: var(--danger-red); }

@media (max-width: 920px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; }
  .metrics, .split, .form-grid { grid-template-columns: 1fr; }
  .topbar { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}