:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #e3e6ea;
  --text: #1f2733;
  --muted: #6b7280;
  --primary: #2f6fed;
  --primary-d: #1f57c9;
  --accent: #6b46f0;
  --success: #17924b;
  --danger: #d33a3a;
  --warn: #b8860b;
  --head: #2b3646;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; background: var(--head); color: #cfd6e4; flex-shrink: 0;
  display: flex; flex-direction: column;
}
.sidebar .brand {
  padding: 16px 18px; font-weight: 700; color: #fff; font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar nav a {
  display: block; padding: 11px 18px; color: #cfd6e4; border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.sidebar nav a.active { background: rgba(47,111,237,.18); border-left-color: var(--primary); color: #fff; }
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 54px; background: var(--card); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
}
.topbar .crumbs { color: var(--muted); }
.topbar .user { display: flex; align-items: center; gap: 12px; }
.content { padding: 20px; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 18px; }
.card .card-h { padding: 12px 16px; border-bottom: 1px solid var(--border); font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.card .card-b { padding: 16px; }

/* Stat tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 18px; }
.tile { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.tile .n { font-size: 24px; font-weight: 700; }
.tile .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

/* Tables */
table.grid { width: 100%; border-collapse: collapse; }
table.grid th, table.grid td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table.grid th { background: #fafbfc; color: #55606f; font-weight: 600; white-space: nowrap; }
table.grid tr:hover td { background: #fafbff; }
.table-wrap { overflow-x: auto; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge.general { background: #e8f0ff; color: var(--primary-d); }
.badge.success { background: #e5f6ec; color: var(--success); }
.badge.failed { background: #fdeaea; color: var(--danger); }
.badge.pending { background: #fff4e0; color: var(--warn); }
.badge.off { background: #eef1f4; color: var(--muted); }
.badge.on { background: #e5f6ec; color: var(--success); }

/* Forms */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 5px; }
.form-row .hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
input[type=text], input[type=password], input[type=number], input[type=datetime-local],
input[type=search], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; background: #fff;
}
textarea { min-height: 90px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.checkbox { display: flex; gap: 8px; align-items: flex-start; }
.checkbox input { margin-top: 3px; }

/* Buttons */
.btn { display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border);
  background: #fff; color: var(--text); cursor: pointer; font-size: 14px; }
.btn:hover { text-decoration: none; background: #f7f8fa; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-d); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn.sm { padding: 4px 9px; font-size: 12px; }
.btn.orange { background: #f38b2c; border-color: #f38b2c; color: #fff; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Filters */
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; }
.filters .full { grid-column: 1 / -1; }
.groupby { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.groupby label { display: flex; gap: 5px; align-items: center; font-weight: 500; }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 360px; }
.alert { padding: 10px 12px; border-radius: 6px; margin-bottom: 14px; }
.alert.err { background: #fdeaea; color: var(--danger); border: 1px solid #f3caca; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.pill-row { display: flex; gap: 6px; flex-wrap: wrap; }