:root {
  --bg: #0b1622;
  --card: #102030;
  --line: #1f3b4d;
  --text: #e8eef3;
  --dim: #8ea3b3;
  --accent: #4fc3f7;
  --ok: #66bb6a;
  --bad: #ff8a65;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 1000; }
.brand { font-weight: 700; letter-spacing: 0.5px; color: var(--accent); }
.chip { font-size: 13px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--dim); }
.chip.on { color: var(--ok); border-color: #2e5d36; }
.chip.off { color: var(--bad); border-color: #5d3a2e; }
main { max-width: 760px; margin: 0 auto; padding: 12px 16px 96px; display: grid; gap: 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.card h2 { font-size: 15px; margin: 0 0 10px; color: var(--dim); font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; }
.mapcard { padding: 0; overflow: hidden; }
#map { height: min(62vh, 520px); background: #0a1520; isolation: isolate; } /* keep Leaflet's z-indexes inside the card */
.maptools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 10px 14px; }
.hint, .note { color: var(--dim); font-size: 13px; }
.note { margin: 8px 0 0; display: block; }
.row { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 10px; margin: 8px 0; }
.row > span:first-child, .row > label { color: var(--dim); }
.row .mono, .mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }
.row select { grid-column: 2 / 4; }
input[type=range] { width: 100%; accent-color: var(--accent); }
select, input[type=password] { width: 100%; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--line); background: #0b1825; color: var(--text); font: inherit; }
input[type=password] { margin: 8px 0 0; }
.toggle { display: flex; align-items: center; gap: 10px; margin: 10px 0; cursor: pointer; }
.toggle input { width: 20px; height: 20px; accent-color: var(--accent); }
button { font: inherit; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--accent); background: var(--accent); color: #062033; font-weight: 600; cursor: pointer; }
button:disabled { opacity: 0.45; cursor: default; }
button.ghost { background: transparent; color: var(--accent); }
details summary { cursor: pointer; color: var(--dim); margin-bottom: 4px; }
details button { margin-top: 8px; }
#logout { margin-top: 12px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0 0 12px; }
dt { color: var(--dim); }
dd { margin: 0; overflow-wrap: anywhere; }
.savebar { position: fixed; left: 0; right: 0; bottom: 0; display: flex; justify-content: flex-end; align-items: center; gap: 12px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(11, 22, 34, 0.94); border-top: 1px solid var(--line); z-index: 1000; }
.savebar span { color: var(--dim); font-size: 13px; flex: 1; text-align: right; }
footer { color: var(--dim); font-size: 12px; text-align: center; padding: 0 16px 90px; }
/* map markers */
.pin { background: var(--accent); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.35); }
.handle { background: #fff; border: 3px solid var(--accent); border-radius: 50%; box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.35); cursor: ew-resize; }
/* login */
body.login { display: grid; place-items: center; min-height: 100vh; }
body.login form { width: min(340px, calc(100vw - 32px)); display: grid; gap: 12px; }
body.login .brand { font-size: 20px; text-align: center; }
@media (max-width: 480px) {
  .row { grid-template-columns: 96px 1fr auto; }
}