/* 3FS door look. Tokens match workers/3fs/kit/tokens.css (usda.3fs.app / 3fs.app). */
:root {
  --field: #A30D22;
  --volt: #6E0717;
  --field2: #E89AA3;
  --ink: #111214;
  --ink2: #30343A;
  --muted: #5F646C;
  --bg: #F7F7F4;
  --line: #D8DADF;
  --glass: #FFFFFF;
  --pale: #FAF0F1;
  --shadow: 0 1px 0 rgba(255,255,255,.9) inset, 0 14px 34px -12px rgba(26,50,84,.24), 0 2px 6px rgba(26,50,84,.06);
  --r: 10px;
  --r-sm: 6px;
  --dim: var(--muted);
  --phosphor: var(--field);
  --watch: #c2362f;
  --chip: #fff;
  color-scheme: light;
  font-family: Inter, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body {
  min-height: 100vh;
  background: linear-gradient(180deg, #ffffff, var(--bg)) fixed;
  background-color: var(--bg);
  font: 15px/1.55 Inter, Helvetica, Arial, sans-serif;
}
button, pre, .mode, .note, .counts, .list, .brand-sub, .map-readout, .empty { font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace; }
a { color: var(--volt); }

.top {
  position: sticky;
  top: 0;
  z-index: 40;
  margin: 10px 16px 18px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: var(--r-sm);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.mark { width: 36px; height: 36px; display: block; filter: drop-shadow(0 6px 10px rgba(179,18,31,.25)); }
.brand-name, .brand-name h1 {
  margin: 0;
  font: 800 17px/1 Inter, Helvetica, Arial, sans-serif;
  letter-spacing: .04em;
  color: var(--ink);
}
.brand-sub { display: block; margin-top: 3px; font: 500 10.5px/1.2 "IBM Plex Mono", ui-monospace, monospace; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.mode { margin-left: auto; color: var(--volt); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; background: var(--pale); border-radius: 999px; padding: 4px 9px; }

.limits, .how { padding: 0 28px 20px; max-width: 1120px; }
.limits { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.limits article, .how article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 18px 18px 8px;
}
.how article { padding: 18px; }
h2, h3 { font-family: Inter, Helvetica, Arial, sans-serif; font-weight: 800; letter-spacing: -.02em; color: var(--ink); }
.limits h2, .how h2, .side h2 { font-size: 22px; line-height: 1.15; margin: 0 0 8px; text-transform: none; }
h3 { font-size: 16px; margin: 0 0 8px; }
.limits ul { margin: 0; padding-left: 18px; }
.limits li { margin: 6px 0; line-height: 1.45; color: var(--ink2); }
.limits strong { color: var(--volt); font-weight: 700; }

.board { padding: 0 28px 28px; max-width: 1160px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
button {
  background: linear-gradient(180deg, #B01C31, var(--field));
  color: #fff;
  border: 1px solid var(--volt);
  border-radius: var(--r-sm);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow: 0 10px 20px -10px rgba(179,18,31,.7);
}
button.ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 #fff inset, 0 4px 10px -6px rgba(26,50,84,.3);
}
button:disabled { opacity: 0.45; cursor: default; }
.note { margin: 0 0 0 8px; color: var(--muted); font-size: 12px; flex: 1 1 240px; }

.stage { display: grid; grid-template-columns: minmax(320px, 1.15fr) minmax(280px, 0.85fr); gap: 14px; align-items: start; }
.stage-maps { display: grid; gap: 12px; }
.map-wrap { position: relative; height: 460px; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: #e7e5e0; box-shadow: var(--shadow); }
#map { height: 100%; width: 100%; background: #e7e5e0; }
button.map-follow {
  position: absolute;
  z-index: 1000;
  top: 10px;
  right: 10px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.map-readout { margin: 0; color: var(--ink2); font-size: 12px; line-height: 1.35; }
.leaflet-container { background: #e7e5e0; font-family: "IBM Plex Mono", ui-monospace, monospace; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: #fff; color: var(--ink); }
.leaflet-popup-content { margin: 10px 12px; line-height: 1.35; }
.leaflet-control-attribution { background: rgba(255,255,255,.85); color: var(--muted); }
.leaflet-control-attribution a { color: var(--volt); }
.radar-wrap { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
canvas { width: 100%; height: auto; display: block; }
.empty {
  position: absolute;
  inset: auto 16px 16px 16px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.counts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.counts span, .chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink2);
}
.alerts { display: grid; gap: 8px; margin-bottom: 12px; }
.alert { border-left: 4px solid var(--field); background: var(--pale); border-radius: var(--r); padding: 12px 14px; }
.alert h3 { margin: 0 0 4px; font-size: 16px; }
.alert p { margin: 0; color: var(--ink2); line-height: 1.35; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.list li {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 8px 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.list li.selected { background: var(--pale); }
.rssi { color: var(--volt); font-variant-numeric: tabular-nums; }
.list .name { font-family: Inter, Helvetica, Arial, sans-serif; font-weight: 800; font-size: 16px; }
.meta { color: var(--muted); font-size: 12px; grid-column: 2 / span 2; }
.rider { color: var(--watch); }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.how h2 { margin-bottom: 12px; }
.how p { line-height: 1.5; color: var(--ink2); }
.site-footer { background: var(--ink); color: #D8DADF; margin-top: 30px; }
.foot-inner { max-width: 1120px; margin: 0 auto; padding: 26px 16px 34px; font-size: 13px; display: grid; gap: 8px; }
.site-footer a { color: #F2F2EF; }
.site-footer strong { color: #fff; }
.site-footer .small { font-size: 12.5px; }
pre {
  background: #16181B;
  color: #F2F2EF;
  border-radius: var(--r-sm);
  padding: 12px 14px;
  overflow: auto;
  font-size: 13px;
  line-height: 1.5;
}
body.surface-phone .how, body.surface-phone .limits { display: none; }
body.surface-phone .top { margin: 8px; }
body.surface-phone .board { padding: 0 14px 24px; }
body.surface-phone .stage { grid-template-columns: 1fr; }
body.surface-phone .map-wrap { height: 52vh; min-height: 280px; }

@media (max-width: 800px) {
  .limits, .cols, .stage { grid-template-columns: 1fr; }
  .limits, .how, .board { padding-left: 16px; padding-right: 16px; }
  .mode { margin-left: 0; }
  .top { flex-wrap: wrap; }
  .brand-sub { display: none; }
}