:root {
  --bg: #0b1120;
  --bg-soft: #0f172a;
  --card: #111c33;
  --card-2: #16233f;
  --border: #1f2e4d;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --primary: #3b82f6;
  --primary-700: #1d4ed8;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.mono { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; }

/* shell */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; background: var(--bg-soft); border-right: 1px solid var(--border);
  padding: 20px 14px; position: sticky; top: 0; height: 100vh; flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 20px; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  display: grid; place-items: center; font-weight: 800; color: #1a1208;
}
.brand b { font-size: 15px; }
.brand small { display: block; color: var(--muted); font-size: 11px; font-weight: 500; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 9px;
  color: var(--muted); font-weight: 500; margin-bottom: 3px;
}
.nav a:hover { background: var(--card); color: var(--text); }
.nav a.active { background: var(--card-2); color: #fff; }
.nav .spacer { flex: 1; }
.sidebar .foot { position: absolute; bottom: 18px; left: 14px; right: 14px; }

.main { flex: 1; min-width: 0; padding: 26px 32px 60px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; gap: 16px; }
.page-head h1 { font-size: 22px; margin: 0; }
.page-head .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* cards */
.grid { display: grid; gap: 16px; }
.grid.cards { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 22px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px;
}
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 28px; font-weight: 700; margin-top: 6px; }
.stat .value.sm { font-size: 20px; }
.stat .hint { color: var(--muted-2); font-size: 12px; margin-top: 4px; }
.value.ok { color: var(--green); }
.value.warn { color: var(--amber); }
.value.bad { color: var(--red); }

.card h3 { margin: 0 0 14px; font-size: 14px; font-weight: 600; }

/* table */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
tbody tr { transition: background .12s; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--card-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600; border: 1px solid transparent;
}
.badge.green { background: rgba(34,197,94,.12); color: #4ade80; border-color: rgba(34,197,94,.3); }
.badge.gray { background: rgba(148,163,184,.12); color: #cbd5e1; border-color: rgba(148,163,184,.25); }
.badge.amber { background: rgba(245,158,11,.12); color: #fbbf24; border-color: rgba(245,158,11,.3); }
.badge.parent { background: rgba(59,130,246,.14); color: #93c5fd; border-color: rgba(59,130,246,.35); }
.cap { font-size: 10px; color: var(--muted); border: 1px solid var(--border); padding: 1px 6px; border-radius: 6px; margin-right: 4px; }

/* buttons + forms */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--card-2); color: var(--text);
  font-weight: 600; font-size: 13px; cursor: pointer; transition: .12s;
}
.btn:hover { border-color: #2c3f66; background: #1b2c4d; }
.btn.primary { background: var(--primary); border-color: var(--primary-700); color: #fff; }
.btn.primary:hover { background: var(--primary-700); }
.btn:disabled { opacity: .55; cursor: default; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
input[type=text], input[type=password], input[type=number], input[type=email], select {
  width: 100%; padding: 10px 12px; background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 9px; color: var(--text); font-size: 14px; outline: none;
}
input:focus, select:focus { border-color: var(--primary); }
.switch { display: flex; align-items: center; gap: 10px; }

/* login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; }
.login-card .brand { justify-content: center; padding-bottom: 24px; }
.login-card .err { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4);
  color: #fca5a5; padding: 10px 12px; border-radius: 9px; margin-bottom: 14px; font-size: 13px; }

.muted { color: var(--muted); }
.right { text-align: right; }
.toast {
  position: fixed; bottom: 22px; right: 22px; background: var(--card-2);
  border: 1px solid var(--border); padding: 12px 16px; border-radius: 10px;
  font-size: 13px; opacity: 0; transform: translateY(8px); transition: .2s; z-index: 50;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.ok { border-color: rgba(34,197,94,.5); }
.toast.err { border-color: rgba(239,68,68,.5); }
.loading { color: var(--muted); padding: 30px; text-align: center; }
.chart-wrap { height: 240px; }