:root {
  --bg: #f6f7f9; --fg: #1d2129; --muted: #6b7280; --card: #fff; --line: #e3e6ea; --accent: #1f5fa8;
  --crit: #b42318; --err: #c4520f; --warn: #a16207; --info: #2563eb; --ok: #15803d;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --fg: #e5e7eb; --muted: #9aa3ae; --card: #1a1f25; --line: #2c333b; --accent: #6aa5ee;
    --crit: #f97066; --err: #fb923c; --warn: #facc15; --info: #60a5fa; --ok: #4ade80; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--fg); }
a { color: var(--accent); }
header.top { display: flex; gap: 24px; align-items: center; padding: 10px 20px; border-bottom: 1px solid var(--line); background: var(--card); flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); letter-spacing: .02em; }
nav { display: flex; gap: 16px; flex-wrap: wrap; }
nav a { text-decoration: none; }
.logout { margin-left: auto; display: flex; gap: 8px; align-items: center; }
main { max-width: 1280px; margin: 0 auto; padding: 16px 20px; }
h1 { font-size: 20px; margin: 8px 0 16px; }
h2 { font-size: 15px; margin: 0 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; overflow-x: auto; }
.card.narrow { max-width: 420px; margin: 40px auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.grid .card { margin-bottom: 0; }
.grid + .card { margin-top: 16px; }
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-weight: 600; color: var(--muted); font-size: 12px; }
label { display: block; margin-bottom: 10px; }
input, select, textarea { display: block; width: 100%; padding: 6px 8px; margin-top: 4px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--fg); font: inherit; }
.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 12px; }
.filters label { margin: 0; }
button { padding: 6px 14px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; cursor: pointer; }
button.small { padding: 2px 8px; font-size: 12px; }
.logout button { background: transparent; color: var(--accent); }
.muted { color: var(--muted); }
.error, .bad { color: var(--crit); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.counts { list-style: none; padding: 0; margin: 0; display: flex; gap: 16px; flex-wrap: wrap; }
[class^="lvl-"] { font-weight: 700; font-size: 12px; text-decoration: none; }
.lvl-critical { color: var(--crit); } .lvl-error { color: var(--err); } .lvl-warn { color: var(--warn); } .lvl-info { color: var(--info); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
code.wrap { word-break: break-all; }
pre { white-space: pre-wrap; word-break: break-all; font-size: 12px; margin: 0; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; }
footer { text-align: center; padding: 16px; font-size: 12px; }
div.wrap, .wrap { word-break: break-all; }
h3 { font-size: 14px; margin: 16px 0 6px; }
h4 { font-size: 13px; margin: 12px 0 4px; font-weight: 600; }
.check { border-top: 1px solid var(--line); margin-top: 12px; }
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
button[disabled] { opacity: .5; cursor: not-allowed; }
details summary { cursor: pointer; color: var(--muted); font-size: 12px; }
td ul, .card ul { margin: 4px 0; padding-left: 20px; }
.card.narrow.wide { max-width: 520px; }
.qr { text-align: center; margin: 12px 0; }
.qr img { background: #fff; padding: 8px; border-radius: 8px; }
code.secret { font-size: 15px; letter-spacing: .05em; }
form.inline { margin-top: 8px; }
button.link { background: none; border: none; color: var(--accent); padding: 0; text-decoration: underline; }
ol { padding-left: 20px; }
details { margin-bottom: 12px; }