:root {
  --bg: #f6f7f9; --surface: #ffffff; --surface-2: #f0f2f5; --text: #1b2330; --muted: #5d6879;
  --line: #dfe3ea; --accent: #1f5fd1; --accent-text: #ffffff;
  --ok: #17803d; --ok-bg: #e3f4e9; --bad: #b3261e; --bad-bg: #fbe5e3;
  --warn: #8a5a00; --warn-bg: #fdf0d3; --idle: #5d6879; --idle-bg: #e8ebf0;
  --radius: 8px; --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11151b; --surface: #181e26; --surface-2: #1f2630; --text: #e6eaf0; --muted: #9aa5b5;
    --line: #2b3441; --accent: #6ea0ff; --accent-text: #0b1220;
    --ok: #5fd08a; --ok-bg: #16301f; --bad: #ff8f87; --bad-bg: #3a1a18;
    --warn: #f0c060; --warn-bg: #33270d; --idle: #9aa5b5; --idle-bg: #232b36;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
h1 { font-size: 1.4rem; margin: 0 0 .25rem; } h2 { font-size: 1.05rem; margin: 0 0 .75rem; } h3 { font-size: .95rem; margin: 1rem 0 .5rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .mono { font-family: var(--mono); font-size: .85rem; word-break: break-all; }
header.top { background: var(--surface); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; padding: .6rem 16px; }
header.top .brand { font-weight: 700; margin-right: .5rem; color: var(--text); }
header.top nav { display: flex; gap: .25rem; flex-wrap: wrap; flex: 1; }
header.top nav a { padding: .35rem .7rem; border-radius: 6px; color: var(--muted); }
header.top nav a.active, header.top nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
main.wrap { padding-top: 20px; padding-bottom: 48px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid > .card { margin-bottom: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }
.badge { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--idle-bg); color: var(--idle); }
.b-up, .b-confirmed, .b-ok { background: var(--ok-bg); color: var(--ok); }
.b-down, .b-err { background: var(--bad-bg); color: var(--bad); }
.b-degraded, .b-warn, .b-proposed { background: var(--warn-bg); color: var(--warn); }
.btn { display: inline-block; border: 1px solid var(--line); background: var(--surface-2); color: var(--text); padding: 6px 12px; border-radius: 6px; font: inherit; font-size: .9rem; cursor: pointer; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.danger { color: var(--bad); } .btn.small { padding: 3px 9px; font-size: .82rem; }
form.inline { display: inline; }
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 3px; }
input[type=text], input[type=password], input[type=number], input[type=url], select, textarea {
  width: 100%; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.fields { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 12px; }
.check { display: flex; gap: 8px; align-items: center; } .check input { width: auto; } .check label { margin: 0; color: var(--text); }
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid var(--line); background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--bad-bg); color: var(--bad); } .flash.warn { background: var(--warn-bg); color: var(--warn); }
pre { background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 10px; overflow-x: auto; font: .82rem/1.45 var(--mono); margin: .5rem 0; white-space: pre-wrap; word-break: break-all; }
.diff-add { color: var(--ok); } .diff-del { color: var(--bad); }
.spark { vertical-align: middle; } .spark-line { fill: none; stroke: var(--accent); stroke-width: 1.5; } .spark-fail { stroke: var(--bad); stroke-width: 2; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; } .kv dt { color: var(--muted); } .kv dd { margin: 0; }
.login { max-width: 360px; margin: 12vh auto 0; }
.empty { color: var(--muted); padding: 12px 0; }
details > summary { cursor: pointer; color: var(--accent); margin: 6px 0; }
@media (max-width: 640px) { th, td { padding: 6px; } .head { flex-direction: column; } }