:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #6b7684;
  --line: #dde1e6;
  --accent: #1f6feb;
  --ok: #1a7f37;
  --off: #8c959f;
  --danger: #cf222e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --card: #182028;
    --text: #e6edf3;
    --muted: #8b949e;
    --line: #2d3640;
    --accent: #4493f8;
    --ok: #3fb950;
    --off: #6e7681;
    --danger: #f85149;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; gap: 16px; align-items: center; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; color: var(--text); text-decoration: none; margin-right: auto; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.narrow { max-width: 360px; margin: 40px auto; display: grid; gap: 12px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
label { display: grid; gap: 4px; }
input { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); }
button { font: inherit; padding: 8px 14px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.link { background: none; color: var(--accent); padding: 0; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); min-height: 1em; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 99px; vertical-align: middle; color: #fff; background: var(--off); }
.badge.on { background: var(--ok); }
.station-card { cursor: pointer; text-decoration: none; color: inherit; display: block; }
.station-card:hover { border-color: var(--accent); }
table { width: 100%; border-collapse: collapse; }
td { padding: 4px 0; border-bottom: 1px solid var(--line); }
td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.jog { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 12px 0; }
.jog-btn { padding: 22px 0; font-size: 18px; user-select: none; touch-action: none; }
.jog-btn.active { outline: 3px solid var(--ok); }
.stop { width: 100%; padding: 16px; font-size: 20px; font-weight: 700; background: var(--danger); margin-bottom: 12px; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; min-width: 0; }
.audit { list-style: none; padding: 0; margin: 0; max-height: 320px; overflow: auto; font-size: 13px; }
.audit li { padding: 4px 0; border-bottom: 1px solid var(--line); }
.grid.admin { grid-template-columns: 1fr; }
.row.wrap { flex-wrap: wrap; margin-top: 12px; }
.row.wrap input, .row.wrap select { flex: 1 1 160px; }
select { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); }
table.list td, table.list th { text-align: left; padding: 6px 8px 6px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.list th { font-size: 12px; color: var(--muted); font-weight: 600; }
table.list td:last-child { text-align: right; }
table.list select { padding: 4px 6px; }
.card { overflow-x: auto; }
button.secondary, a.button.secondary { background: var(--off); }
button.small { padding: 4px 10px; font-size: 13px; }
a.button { display: inline-block; padding: 8px 14px; border-radius: 6px; background: var(--accent); color: #fff; text-decoration: none; }
dialog { width: min(900px, calc(100vw - 32px)); border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--text); }
dialog::backdrop { background: rgb(0 0 0 / .5); }
textarea { width: 100%; font: 12px/1.4 ui-monospace, monospace; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 8px; margin-bottom: 12px; }
button.danger { background: var(--danger); }
#password-dialog { width: min(400px, calc(100vw - 32px)); }
.narrow-form { display: grid; gap: 12px; }