:root {
  --bg: #f4f6f9; --panel: #fff; --text: #1d2430; --muted: #667085; --line: #e3e7ee;
  --brand: #0f5ea8; --brand-2: #0b4a86; --ok: #157f3b; --warn: #b26a00; --bad: #c0262d;
  --ok-bg: #e7f6ec; --warn-bg: #fff4e0; --bad-bg: #fdeaea;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
header.top { background: #12233a; color: #fff; }
header.top .wrap { display: flex; align-items: center; gap: 24px; min-height: 56px; flex-wrap: wrap; }
header.top .logo { font-weight: 700; letter-spacing: .5px; color: #fff; }
header.top .logo span { color: #6fb3ff; }
header.top nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
header.top nav a { color: #cfd8e3; padding: 6px 10px; border-radius: 6px; }
header.top nav a:hover, header.top nav a.active { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
header.top .user { color: #cfd8e3; font-size: 13px; display: flex; gap: 10px; align-items: center; }
header.top .user form { margin: 0; }
header.top .user button { background: none; border: 1px solid #44566e; color: #cfd8e3; padding: 3px 10px; border-radius: 6px; cursor: pointer; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 28px 0 10px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 18px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stat .n { font-size: 26px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); margin-bottom: 18px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); background: #fafbfc; }
tr:last-child td { border-bottom: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.off { background: #eef0f3; color: var(--muted); }
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid; }
.alert.ok { background: var(--ok-bg); border-color: #b9e3c6; color: #0f5c2b; }
.alert.warn { background: var(--warn-bg); border-color: #f2d199; color: #7a4800; }
.alert.bad { background: var(--bad-bg); border-color: #f1b8bb; color: #8d1c21; }
form.stack { display: grid; gap: 14px; max-width: 720px; }
.row2 { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .row2 { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
label.inline { display: flex; gap: 8px; align-items: center; font-weight: 500; font-size: 14px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #cdd4de; border-radius: 7px; font: inherit; background: #fff;
}
textarea { min-height: 80px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 3px; }
.field-error, .validation-summary-errors { color: var(--bad); font-size: 13px; }
.btn { display: inline-block; padding: 8px 14px; border-radius: 7px; border: 1px solid var(--brand); background: var(--brand); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { background: var(--brand-2); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--brand); }
.btn.secondary:hover { background: #eef5fc; }
.btn.danger { background: #fff; color: var(--bad); border-color: #e8a3a6; }
.btn.danger:hover { background: var(--bad-bg); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.actions form { margin: 0; }
dl.kv { display: grid; grid-template-columns: 200px 1fr; gap: 6px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 640px) { dl.kv { grid-template-columns: 1fr; } dl.kv dt { margin-top: 6px; } }
.checks { display: grid; gap: 6px; }
.qr { text-align: center; }
.qr img { width: 300px; max-width: 100%; image-rendering: pixelated; border: 1px solid var(--line); border-radius: 8px; }
pre.conf { background: #0f1722; color: #d6e2f0; padding: 14px; border-radius: 8px; overflow-x: auto; font-size: 13px; }
.login { max-width: 380px; margin: 60px auto; }
.toolbar { display: flex; gap: 8px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar form { display: flex; gap: 8px; }
@media print {
  header.top, .no-print { display: none !important; }
  body { background: #fff; }
  .card { border: 0; padding: 0; }
}