:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #5c6b80;
  --line: #d9e0ea;
  --bg: #f3f6fa;
  --card: #fff;
  --accent: #0f6e6b;
  --warn: #8a4b08;
  --bad: #9b2335;
  --ok: #0d7a45;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--accent); }
button, input, select {
  font: inherit;
}
button, .button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.secondary, a.secondary {
  background: #e7edf4;
  color: var(--ink);
}
.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100vh; }
nav {
  background: var(--ink);
  color: #fff;
  padding: 1.25rem 1rem;
}
nav a { color: #d5e4e3; display: block; padding: 0.4rem 0; text-decoration: none; }
nav a.active, nav a:hover { color: #fff; }
nav .brand { font-weight: 700; margin-bottom: 1rem; }
main { padding: 1.25rem 1.5rem 3rem; overflow-x: auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; }
.card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1rem;
}
.card .n { font-size: 1.6rem; font-weight: 700; }
.muted { color: var(--muted); }
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { text-align: left; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.03em; text-transform: uppercase; color: var(--muted); }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f7fbfd; }
.pill { border-radius: 999px; padding: 0.1rem 0.5rem; font-size: 0.78rem; }
.pill.on { background: #e5f6ee; color: var(--ok); }
.pill.off { background: #eef1f5; color: var(--muted); }
.pill.bad { background: #fdecef; color: var(--bad); }
form.stack { display: grid; gap: 0.75rem; max-width: 420px; }
label { display: grid; gap: 0.25rem; font-weight: 600; }
input, select {
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
.error { color: var(--bad); }
.warn { background: #fff6e8; border: 1px solid #f0d7a8; color: var(--warn); padding: 0.7rem 0.8rem; border-radius: 8px; }
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0; }
.hex { font-family: ui-monospace, monospace; font-size: 0.78rem; word-break: break-all; }
#map, .map { height: 280px; border-radius: 10px; border: 1px solid var(--line); }
.steps { list-style: none; padding: 0; }
.steps li { padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
.login {
  max-width: 380px;
  margin: 10vh auto;
}
.row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
section { margin-top: 1.5rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
button.danger { background: var(--bad); }
label.inline { display: flex; gap: 0.4rem; align-items: center; font-weight: 600; }
label.check { display: flex; gap: 0.5rem; align-items: center; font-weight: 600; }
.playback { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin: 0.5rem 0 0.75rem; }
.playback[hidden] { display: none; }
.playback input[type='range'] { flex: 1 1 220px; }
code { font-family: ui-monospace, monospace; font-size: 0.85rem; }
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  nav { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; }
  nav a { padding: 0; }
}