html, body {
  height: 100%;
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 16px;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.topbar__brand {
  font-size: 15px;
  font-weight: 700;
  color: #333;
}

.topbar__auth {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #555;
}

.app-body {
  flex: 1;
  display: flex;
  min-height: 0;
}

.sidebar {
  flex: 0 0 52px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  background: #fff;
  border-right: 1px solid #ddd;
  /* No overflow-y:auto here: setting only one axis to a clipping value
     forces the browser to compute the other axis as "auto" too (CSS
     Overflow spec), which would clip the flyouts — they intentionally
     poke out past the sidebar's own width via left:44px. */
}

.sidebar-item {
  position: relative;
}

.sidebar-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 6px;
  background: none;
  color: #444;
  cursor: pointer;
}

.sidebar-icon svg {
  width: 20px;
  height: 20px;
}

.sidebar-icon:hover {
  background: #f0f0f0;
}

.sidebar-icon.active {
  background: #dbe9ff;
  color: #1a5fb4;
}

.sidebar-flyout {
  position: absolute;
  top: 0;
  left: 44px;
  z-index: 20;
  min-width: max-content;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  padding: 6px;
  font-size: 13px;
}

.sidebar-flyout[hidden] {
  display: none;
}

.sidebar-flyout__option {
  display: block;
  width: 100%;
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  background: none;
  font: inherit;
  font-size: 13px;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}

.sidebar-flyout__option:hover {
  background: #f0f0f0;
}

.sidebar-flyout__option.active {
  background: #dbe9ff;
  font-weight: 600;
}

#map {
  flex: 1;
  min-width: 0;
  position: relative;
}

.radar-control__playback {
  display: flex;
  align-items: center;
  gap: 6px;
}

.radar-control__play {
  border: none;
  background: none;
  padding: 2px 4px;
  font-size: 13px;
  cursor: pointer;
}

.radar-control__scrub {
  width: 110px;
}

.radar-control__time {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.basemap-panel {
  position: fixed;
  top: 0;
  left: 52px;
  width: 260px;
  max-width: 90vw;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
  font-size: 13px;
  z-index: 10;
}

.basemap-panel[hidden] {
  display: none;
}

.basemap-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid #eee;
}

.basemap-panel__close {
  border: none;
  background: none;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  cursor: pointer;
}

.basemap-panel__list {
  padding: 6px;
}

.basemap-panel__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 4px;
  background: none;
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.basemap-panel__option:hover {
  background: #f0f0f0;
}

.basemap-panel__option.active {
  background: #dbe9ff;
  font-weight: 600;
}

.basemap-panel__check {
  color: #1a5fb4;
  visibility: hidden;
}

.basemap-panel__option.active .basemap-panel__check {
  visibility: visible;
}

.gpx-panel {
  position: fixed;
  top: 0;
  left: 52px;
  width: 300px;
  max-width: 90vw;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
  font-size: 13px;
  z-index: 10;
}

.gpx-panel[hidden] {
  display: none;
}

.gpx-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid #eee;
}

.gpx-panel__actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.gpx-panel__action {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 6px;
  background: none;
  color: #444;
  cursor: pointer;
}

.gpx-panel__action svg {
  width: 18px;
  height: 18px;
}

.gpx-panel__action:hover {
  background: #f0f0f0;
}

.gpx-panel__close {
  border: none;
  background: none;
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
  cursor: pointer;
}

.gpx-upload__status {
  margin: 0 12px 10px;
  color: #666;
}

.gpx-tree {
  /* flex:1 (not just overflow-y) so the tree fills the rest of the panel
     even when short/empty — otherwise the blank space below it wouldn't
     be part of the drop target and dropping a file there would silently
     do nothing. */
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}

.gpx-tree ul {
  list-style: none;
  margin: 0;
  padding-left: 16px;
}

.gpx-tree > ul {
  padding-left: 0;
}

.gpx-tree summary {
  cursor: pointer;
  font-weight: 600;
  border-radius: 3px;
}

.gpx-tree__folder-row {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  width: calc(100% - 18px);
}

.gpx-tree summary.gpx-drop-hover {
  background: #eef5fd;
  outline: 1px dashed #4a90d9;
}

.gpx-tree__file {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 0;
  cursor: grab;
}

.gpx-tree__file label {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.gpx-tree__file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gpx-tree__kind-icon {
  flex-shrink: 0;
  display: flex;
  color: #999;
}

.gpx-tree__kind-icon svg {
  width: 14px;
  height: 14px;
}

.gpx-tree__delete {
  flex-shrink: 0;
  border: none;
  background: none;
  color: #999;
  font-size: 14px;
  line-height: 1;
  padding: 0 4px;
  cursor: pointer;
}

.gpx-tree__delete:hover {
  color: #e63946;
}

.gpx-tree__empty {
  color: #888;
  font-style: italic;
}

.gpx-tree.gpx-drop-hover {
  outline: 1px dashed #4a90d9;
  outline-offset: -2px;
}

#map.gpx-drop-hover::after {
  content: "";
  position: absolute;
  inset: 0;
  outline: 3px dashed #4a90d9;
  outline-offset: -3px;
  background: rgba(74, 144, 217, 0.08);
  pointer-events: none;
}

.maplibregl-popup-content p {
  margin: 4px 0 0;
}

.gpx-popup__time {
  color: #888;
  font-size: 12px;
}

.gnss-control__status {
  color: #888;
  white-space: nowrap;
}

.gnss-marker {
  width: 14px;
  height: 14px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #2a9d8f;
  box-shadow: 0 0 0 2px rgba(42, 157, 143, 0.4);
}