:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #1f6feb;
  --ok: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  /* Respect notches; this runs fullscreen when installed. */
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.bar h1 { font-size: 17px; margin: 0; }

.status {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 45vw;
}
.status.connected { color: var(--ok); border-color: var(--ok); }
.status.connecting { color: var(--warn); border-color: var(--warn); }
.status.degraded { color: var(--warn); border-color: var(--warn); }
.status.offline { color: var(--muted); }

.stats { margin-left: auto; font-size: 12px; color: var(--muted); }

.controls {
  display: flex;
  gap: 8px;
  padding: 8px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  /* Large enough to hit with gloves on. */
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
button:disabled { opacity: 0.5; cursor: default; }
button.danger { background: #6e2b28; }

select, input[type="text"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
}
input[type="text"] { width: 11em; font-family: ui-monospace, monospace; }
input[hidden] { display: none; }

main {
  flex: 1;
  display: flex;
  min-height: 0;
}

#map {
  flex: 1;
  min-height: 0;
  background: var(--panel);
}

.dogs {
  width: 300px;
  flex-shrink: 0;
  overflow-y: auto;
  padding: 10px;
  background: var(--panel);
  border-left: 1px solid var(--border);
}

.empty { color: var(--muted); font-size: 13px; }

.dog {
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 10px;
  background: #0d1117;
}
.dog.stale { opacity: 0.85; }
.dog.lost { opacity: 0.6; }

.dog-head { display: flex; justify-content: space-between; align-items: baseline; }
.dog-name { font-weight: 600; font-size: 15px; }
.dog-id { font-size: 11px; color: var(--muted); font-family: ui-monospace, monospace; }

.age { font-size: 12px; }
.age.fresh { color: var(--ok); }
.age.stale { color: var(--warn); }
.age.lost { color: var(--bad); }

/* The number people actually read in the field. */
.range { font-size: 22px; font-weight: 600; margin: 6px 0 2px; }

.coords { font-size: 12px; color: var(--muted); font-family: ui-monospace, monospace; }
.radio { font-size: 11px; color: var(--muted); margin-top: 4px; }
.fixes { font-size: 11px; color: var(--muted); }

.fatal {
  background: var(--bad);
  color: #fff;
  padding: 10px 14px;
  font-size: 14px;
}

/* Stack on phones -- the map keeps the majority of the screen. */
@media (max-width: 720px) {
  main { flex-direction: column; }
  #map { flex: 1 1 60%; }
  .dogs {
    width: 100%;
    flex: 1 1 40%;
    border-left: 0;
    border-top: 1px solid var(--border);
  }
}

.geo { font-size: 12px; color: var(--warn); }

.diagbar {
  padding: 5px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.diag { font-size: 11px; color: var(--muted); font-family: ui-monospace, monospace; }
.diag.bad { color: var(--bad); }

/* --- navigation panel ---------------------------------------------------- */

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 14px;
  background: #10203a;
  border-bottom: 1px solid var(--border);
}
.nav[hidden] { display: none; }

.nav-arrow-wrap {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg);
}

.nav-arrow {
  width: 40px;
  height: 40px;
  color: var(--accent);
  /* Short, so the arrow tracks the compass without looking laggy. */
  transition: transform 120ms linear;
}
.nav-arrow.idle { color: var(--muted); opacity: 0.5; }

.nav-text { flex: 1; min-width: 0; }
.nav-name { font-weight: 600; font-size: 15px; }
/* The number read at a glance, at arm's length, in daylight. */
.nav-dist { font-size: 30px; font-weight: 700; line-height: 1.1; }
.nav-bearing { font-size: 13px; color: var(--muted); }
.nav-mode { font-size: 11px; color: var(--warn); }

.nav-close {
  background: transparent;
  color: var(--muted);
  font-size: 26px;
  line-height: 1;
  padding: 4px 10px;
  flex-shrink: 0;
}

.dog { cursor: pointer; }
.dog.selected {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

/* --- device role --------------------------------------------------------- */

.role {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 8px;
}
.role.infra { color: var(--warn); border-color: var(--warn); }

.dog.infra { border-left-color: var(--muted) !important; }

#filter.active { background: #1f4d2b; }

/* --- heard, but no GPS fix ------------------------------------------------ */

.dog.nofix { border-left-color: var(--warn) !important; }
.dog.nofix .range {
  color: var(--warn);
  font-size: 17px;
  letter-spacing: 0.04em;
}