:root {
  color-scheme: dark;
  --bg: #12161c;
  --panel: #1c232d;
  --ink: #e7edf4;
  --muted: #9aa8b8;
  --line: #314050;
  --accent: #2e6b9e;
  --accent-ink: #f4f8fb;
  --ok: #8fceb0;
  --bad: #f0b4b4;
  --bad-bg: #3a2424;
  --focus: #f0c36a;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #1c2430;
  --muted: #5c6b7a;
  --line: #d5dde6;
  --accent: #2e6b9e;
  --accent-ink: #ffffff;
  --ok: #1f7a4d;
  --bad: #8a2e2e;
  --bad-bg: #f8e8e8;
  --focus: #8a5a00;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.45 "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
a { color: var(--accent); }
a:hover { text-decoration: none; }
.skip {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--panel);
  padding: 0.4rem 0.7rem;
}
.skip:focus { top: 0.5rem; }
.top, nav, main { padding: 0.8rem 1rem; }
.top, nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.site { margin: 0; font-weight: 700; }
.clock, .muted, .crumb { color: var(--muted); }
nav { flex-wrap: wrap; justify-content: flex-start; }
nav a, nav button, button, .chip, .primary.link {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: 6px;
  padding: 0.45rem 0.75rem;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}
nav a[aria-current="page"], .chip.current, button.primary, .primary.link {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
button.quiet { background: transparent; }
main { max-width: 920px; margin: 0 auto; }
h1 { margin: 0.2rem 0 0.4rem; font-size: 1.7rem; }
h2 { margin-bottom: 0.4rem; }
.lede { color: var(--muted); max-width: 40rem; }
.card, .homes li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin: 0.8rem 0;
}
.narrow { max-width: 24rem; }
label, .check { display: block; margin: 0.55rem 0; }
input[type="text"], input[type="password"], input[type="date"], input:not([type]) {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
.check input { width: auto; margin-right: 0.4rem; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0.6rem 0; }
.homes { list-style: none; padding: 0; }
.homes a { display: flex; justify-content: space-between; gap: 1rem; font-size: 1.05rem; }
.reads { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.reading { font-size: 1.6rem; margin: 0.2rem 0; }
.range { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.range-form { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: end; }
.range-form label { flex: 1 1 10rem; }
.counts { display: flex; gap: 1rem; flex-wrap: wrap; }
.counts p {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  min-width: 8rem;
}
.counts strong { display: block; font-size: 1.8rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.flash { padding: 0.55rem 0.7rem; border-radius: 8px; }
.flash-ok { color: var(--ok); }
.flash-bad, .warn { background: var(--bad-bg); color: var(--bad); }
.empty { color: var(--muted); }
.chart { width: 100%; height: auto; margin-top: 0.4rem; }
.chart .bar { fill: var(--accent); }
.chart .axis { stroke: var(--line); }
.chart .tick { fill: var(--muted); font-size: 11px; }
.inline { display: flex; gap: 0.6rem; align-items: end; margin: 0.3rem 0 1.2rem; }
.danger button { border-color: var(--bad); }
code { font-family: Consolas, monospace; word-break: break-all; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
@media (max-width: 640px) {
  .homes a { flex-direction: column; gap: 0.15rem; }
  .top { align-items: flex-start; }
}