:root {
    --bg: #f5f6f8; --panel: #fff; --text: #1d232b; --muted: #6b7480; --line: #e2e5ea;
    --accent: #1f5fbf; --info: #3a7d44; --warn: #b7791f; --err: #c53030; --crit: #7b1d1d;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 "Segoe UI", system-ui, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top { display: flex; align-items: center; gap: 24px; padding: 0 20px; height: 48px; background: #18202b; color: #fff; }
.top .brand { color: #fff; font-weight: 700; letter-spacing: .5px; }
.top nav a { color: #c9d1dc; margin-right: 16px; padding: 14px 0; }
.top nav a.on { color: #fff; border-bottom: 2px solid #6ea8ff; }
.top .logout { margin-left: auto; display: flex; align-items: center; gap: 10px; color: #c9d1dc; }
.top .logout button { background: none; border: 1px solid #4a5563; color: #fff; padding: 3px 10px; border-radius: 4px; cursor: pointer; }

main { padding: 20px; max-width: 1600px; margin: 0 auto; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 15px; margin: 0 0 10px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; margin-bottom: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px; }
.tiles { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; min-width: 150px; }
.tile .n { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.nowrap { white-space: nowrap; }
td.msg { word-break: break-word; }
tr:hover td { background: #fafbfc; }

.lv { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 12px; font-weight: 600; color: #fff; }
.lv-info { background: var(--info); } .lv-warn { background: var(--warn); }
.lv-err { background: var(--err); } .lv-crit { background: var(--crit); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot.ok { background: var(--info); } .dot.bad { background: var(--err); }
.muted { color: var(--muted); }

form.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 14px; }
form.filters label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 3px; }
input, select { font: inherit; padding: 5px 8px; border: 1px solid #c8ced6; border-radius: 4px; background: #fff; }
button, .btn { font: inherit; padding: 6px 14px; border-radius: 4px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
.btn.sec { background: #fff; color: var(--accent); }
details summary { cursor: pointer; color: var(--muted); font-size: 12px; }
pre { background: #f2f4f7; padding: 8px; border-radius: 4px; overflow-x: auto; font-size: 12px; margin: 6px 0 0; }
.pager { display: flex; gap: 10px; margin-top: 12px; align-items: center; }

.login { max-width: 340px; margin: 80px auto; }
.login label { display: block; margin-bottom: 12px; font-size: 13px; }
.login input { width: 100%; margin-top: 4px; }
.error { color: var(--err); margin-bottom: 10px; }