:root {
  --bg: #000;
  --surface: #121417;
  --surface-2: #1b1e22;
  --border: #2a2e34;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #ffb000;
  --accent-ink: #1a1200;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
}

#wall {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.panel {
  position: relative;
  line-height: 0;
}

#display { display: block; }

/* A low-res copy of the framebuffer, upscaled and blurred, gives the LEDs bloom. */
#glow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: blur(var(--glow-blur, 6px));
  opacity: 0.55;
  mix-blend-mode: screen;
  pointer-events: none;
}

body.idle { cursor: none; }

.controls {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.4s;
}
body:not(.idle) .controls,
.controls:focus-within { opacity: 1; }

.controls button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgb(18 20 23 / 0.85);
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.controls button:hover { border-color: var(--accent); color: var(--accent); }

dialog {
  width: min(520px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
}
dialog::backdrop { background: rgb(0 0 0 / 0.6); }

dialog form { padding: 20px 22px 22px; }
dialog h1 { margin: 0 0 12px; font-size: 18px; }

fieldset {
  margin: 0 0 14px;
  padding: 12px 14px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
}
legend { padding: 0 6px; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; }

label { display: block; margin: 8px 0; font-size: 14px; }

form:not(.tracking) .track-only,
form.tracking .area-only { display: none; }

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 10px;
  background: var(--surface-2);
}
.segmented label {
  position: relative;
  margin: 0;
  padding: 8px 10px;
  border-radius: 7px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
}
.segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmented label:has(input:checked) { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.segmented label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
label.check { display: flex; align-items: center; gap: 8px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .row { grid-template-columns: 1fr; } }

input[type="number"], input[type="text"], select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}
input[type="range"] { display: block; width: 100%; accent-color: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }
input:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.value { float: right; color: var(--accent); font-variant-numeric: tabular-nums; }
.hint { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
code { font-size: 12px; color: var(--text); }

input[type="text"]::placeholder, input[type="number"]::placeholder { color: #6b7178; }

.finder {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.finder summary { cursor: pointer; color: var(--accent); font-size: 14px; }
.finder[open] summary { margin-bottom: 6px; }
#btn-search { margin-top: 8px; }

.results { margin-top: 10px; }
.results h2 {
  margin: 12px 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.result {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  align-items: baseline;
  width: 100%;
  margin: 0 0 6px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.result:hover { border-color: var(--accent); }
.result strong { font-variant-numeric: tabular-nums; }
.result .route { color: var(--accent); font-weight: 600; }
.result .meta { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.progress {
  grid-column: 1 / -1;
  height: 3px;
  margin-top: 4px;
  border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.progress > span { display: block; height: 100%; background: var(--accent); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
button.primary, button.secondary {
  padding: 9px 16px;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.primary { border: 0; background: var(--accent); color: var(--accent-ink); }
button.secondary { border: 1px solid var(--border); background: var(--surface-2); color: var(--text); }
#btn-geolocate { margin-top: 4px; }
.place-search { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; margin: 8px 0; }
.place-search label { margin: 0; }
.place-search button { padding-block: 8px; }
#place-status:empty { display: none; }
#place-results .results { margin: 6px 0 10px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}