:root {
  --bg: #0f172a;
  --panel: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #1a73e8;
  --brand-dark: #1558b0;
  --warn: #b45309;
  --ok: #15803d;
  --err: #b91c1c;
  --minor: #f4b400;
  --moderate: #f2711c;
  --severe: #db2828;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
}

#app { display: flex; height: 100%; }

#sidebar {
  width: 360px;
  flex: 0 0 360px;
  background: #f8fafc;
  border-right: 1px solid var(--line);
  overflow-y: auto;
  padding: 16px;
}

#map { flex: 1; height: 100%; }

header h1 { margin: 0; font-size: 22px; letter-spacing: -0.5px; }
header h1 span { color: var(--brand); }
header .tag { margin: 2px 0 14px; color: var(--muted); font-size: 12.5px; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
}
.card h2 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); }

.fld { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.fld input[type=text], .fld input[type=password] {
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--ink);
}
.fld input[type=range] { width: 100%; margin-top: 6px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 12.5px;
  cursor: pointer;
  flex: 1;
  white-space: nowrap;
}
.btn:hover { border-color: #cbd5e1; }
.btn.small { font-size: 11.5px; padding: 6px 8px; flex: 0 1 auto; }
.btn.ghost { background: #f8fafc; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; width: 100%; padding: 10px; font-size: 14px; font-weight: 600; }
.btn.primary:hover { background: var(--brand-dark); }
.btn.warn { background: #fffbeb; border-color: #fde68a; color: var(--warn); }
.btn.active { outline: 2px solid var(--brand); outline-offset: 1px; }

.route-result {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  background: #f1f5f9;
  font-size: 13px;
}
.route-line { font-weight: 600; }
.route-line.ok { color: var(--ok); }
.route-line.bad { color: var(--err); }
.route-meta { color: var(--muted); margin: 2px 0 4px; }
.route-avoid { font-size: 12.5px; }

.status {
  margin: 4px 0 12px;
  padding: 9px 11px;
  border-radius: 8px;
  background: #eef2ff;
  font-size: 12.5px;
  color: #3730a3;
}
.status.ok { background: #ecfdf5; color: var(--ok); }
.status.warn { background: #fffbeb; color: var(--warn); }
.status.err { background: #fef2f2; color: var(--err); }
.status.info { background: #eff6ff; color: var(--brand-dark); }

.muted { color: var(--muted); }
.small { font-size: 11.5px; }

footer { margin-top: 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 6px; font-size: 11.5px; color: var(--muted); }
.legend span { display: flex; align-items: center; gap: 4px; }
.sw { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.sw.minor { background: var(--minor); }
.sw.moderate { background: var(--moderate); }
.sw.severe { background: var(--severe); }
.sw.route { background: var(--brand); }

/* map pins */
.pin div {
  width: 26px; height: 26px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 12px;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.pin div::after { content: attr(data-l); transform: rotate(45deg); }

/* report form popup */
.rep-form { display: flex; flex-direction: column; gap: 8px; font-size: 12.5px; }
.rep-title { font-weight: 700; }
.rep-form select, .rep-form input { width: 100%; }
.rep-form button {
  background: var(--brand); color: #fff; border: 0;
  padding: 7px; border-radius: 6px; cursor: pointer; font-weight: 600;
}

@media (max-width: 780px) {
  #app { flex-direction: column; }
  #sidebar { width: 100%; flex: none; max-height: 52%; border-right: 0; border-bottom: 1px solid var(--line); }
  #map { min-height: 48%; }
}