:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1b1f24; --muted: #5f6b7a; --border: #dde1e6;
  --accent: #2457c5; --up: #1a7f37; --up-bg: #e6f4ea; --down: #c62828; --down-bg: #fdecea;
  --warn: #9a6700; --warn-bg: #fff4d6; --unknown: #57606a; --unknown-bg: #eceff1; --paused-bg: #f0f0f0;
  --chart-1: #2457c5; --chart-2: #1a7f37; --chart-3: #b35900; --chart-4: #7b3fb5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --surface: #171b21; --text: #e6e9ee; --muted: #9aa5b1; --border: #2a3038;
    --accent: #7aa2ff; --up: #4ac26b; --up-bg: #12301c; --down: #ff6b6b; --down-bg: #3a1616;
    --warn: #e3b341; --warn-bg: #362a0b; --unknown: #a0a8b2; --unknown-bg: #232a32; --paused-bg: #20252c;
    --chart-1: #7aa2ff; --chart-2: #4ac26b; --chart-3: #f0a35e; --chart-4: #c49bf0;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 16px; margin: 28px 0 10px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.top { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { font-weight: 700; color: var(--text); }
.brand span { color: var(--accent); }
.top nav { display: flex; flex-wrap: wrap; gap: 4px 14px; flex: 1; }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--text); }
.who { display: flex; gap: 8px; align-items: center; color: var(--muted); }
.role { font-size: 11px; padding: 1px 6px; border: 1px solid var(--border); border-radius: 10px; }
.banner { padding: 8px 16px; font-weight: 500; }
main .banner { border-radius: 6px; margin: 10px 0; }
.banner.err { background: var(--down-bg); color: var(--down); }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.flash { padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; }
.flash.ok { background: var(--up-bg); color: var(--up); }
.flash.err { background: var(--down-bg); color: var(--down); }
.head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; }
.muted { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.cards.wide { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card, .stat { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.card.server { color: var(--text); display: flex; flex-direction: column; gap: 6px; }
.card.server:hover { border-color: var(--accent); text-decoration: none; }
.card .row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.meters { display: flex; gap: 12px; font-variant-numeric: tabular-nums; }
.stat .n { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .n.small { font-size: 17px; }
.stat > div:last-child { color: var(--muted); font-size: 12px; }
.stat.s-up .n { color: var(--up); } .stat.s-down .n { color: var(--down); } .stat.s-failing .n { color: var(--warn); }
.stat.s-unknown .n, .stat.s-paused .n { color: var(--unknown); }
.badge { display: inline-block; min-width: 64px; text-align: center; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; letter-spacing: .3px; }
.badge.s-up { background: var(--up-bg); color: var(--up); }
.badge.s-down { background: var(--down-bg); color: var(--down); }
.badge.s-failing { background: var(--warn-bg); color: var(--warn); }
.badge.s-unknown { background: var(--unknown-bg); color: var(--unknown); }
.badge.s-paused { background: var(--paused-bg); color: var(--unknown); }
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: block; overflow-x: auto; }
table tbody { display: table; width: 100%; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
table.compact td, table.compact th { padding: 5px 8px; font-size: 13px; }
table.kv th { width: 260px; }
tr.row-down td:first-child { box-shadow: inset 3px 0 var(--down); }
tr.lvl-error td:nth-child(2) { color: var(--down); font-weight: 600; }
tr.lvl-warning td:nth-child(2) { color: var(--warn); }
tr.st-failed td:nth-child(5) { color: var(--down); font-weight: 600; }
.err-text { color: var(--down); font-size: 12px; max-width: 420px; overflow-wrap: anywhere; }
.nowrap { white-space: nowrap; }
.unavailable { padding: 14px; border: 1px dashed var(--border); border-radius: 8px; color: var(--muted); background: var(--surface); }
.form { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.form fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 500; }
label.check, label.inline { flex-direction: row; align-items: center; gap: 8px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 7px 9px; }
input.tiny { width: 70px; }
.grid4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
button, .btn { font: inherit; cursor: pointer; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 6px; padding: 6px 12px; display: inline-block; }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--down); }
button.link { background: none; border: 0; color: var(--accent); padding: 0; }
form.inline { display: inline; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.pager { display: flex; gap: 16px; margin-top: 10px; }
.pill { display: inline-block; padding: 2px 8px; border: 1px solid var(--border); border-radius: 10px; margin-right: 4px; }
.login { max-width: 380px; margin: 10vh auto; }
.login form { display: flex; flex-direction: column; gap: 12px; }
.token, .raw { background: var(--surface); border: 1px solid var(--border); padding: 12px; border-radius: 6px; overflow-x: auto; }
.token { font-size: 14px; user-select: all; }
.range { display: flex; gap: 4px; margin: 14px 0 6px; }
.range button.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 12px; }
.chart-box { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px; height: 280px; position: relative; }
.bar { display: inline-block; width: 120px; height: 8px; background: var(--unknown-bg); border-radius: 4px; vertical-align: middle; overflow: hidden; }
.bar .fill { display: block; height: 100%; width: 0; background: var(--chart-1); }
.bar .fill.hot { background: var(--down); }
@media (max-width: 640px) {
  .charts { grid-template-columns: 1fr; }
  table.kv th { width: auto; }
  .stat .n { font-size: 22px; }
}