.debug-nav {
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  right: 10px;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 6px;
  font: 700 13px/1 Arial, Helvetica, sans-serif;
}

.debug-nav a,
.debug-nav summary {
  color: #fff;
  text-decoration: none;
}

.debug-nav__map,
.debug-nav summary {
  display: grid;
  min-height: 38px;
  padding: 0 14px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  background: rgba(57, 63, 68, .94);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .16);
}

.debug-nav__menu { position: relative; }
.debug-nav summary { cursor: pointer; list-style: none; }
.debug-nav summary::-webkit-details-marker { display: none; }
.debug-nav summary::after { content: "\25BE"; margin-left: 7px; font-size: 10px; }
.debug-nav__menu[open] summary::after { content: "\25B4"; }

.debug-nav__panel {
  position: absolute;
  top: calc(100% + 7px);
  right: 0;
  width: min(260px, calc(100vw - 20px));
  padding: 8px;
  border: 1px solid #cdd1d4;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(0, 0, 0, .22);
}

.debug-nav__panel a,
.debug-nav__heading { display: block; }
.debug-nav__panel a { padding: 12px; border-radius: 8px; color: #202428; }
.debug-nav__panel a:hover,
.debug-nav__panel a:focus-visible { background: #edf0f2; outline: none; }
.debug-nav__panel a[aria-current="page"] { background: #dfe4e7; }
.debug-nav__heading { padding: 14px 12px 5px; color: #737b80; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }

@media (max-width: 480px) {
  .debug-nav { right: 8px; }
  .debug-nav__map, .debug-nav summary { min-height: 36px; padding: 0 12px; }
}