* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#map {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  z-index: 1;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100dvh;
  z-index: 2;
  pointer-events: auto;
  touch-action: none;
}

#slider-panel {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: auto;
}

#rotation-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#rotation-row label {
  font-size: 13px;
  color: #333;
}

#rotation-slider {
  width: 100%;
  cursor: pointer;
}

#button-row {
  position: absolute;
  top: 80px;
  right: 12px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
  pointer-events: auto;
}

.icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  font-size: 20px;
  cursor: pointer;
  border: none;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
  padding: 0;
  line-height: 1;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.4));
}

.icon-btn:hover {
  opacity: 0.7;
}

.icon-btn.hidden {
  display: none;
}

.icon-btn.reserved {
  visibility: hidden;
}

.icon-btn.disabled {
  opacity: 0.3;
  pointer-events: none;
}

.icon-btn.feedback::after {
  content: attr(data-feedback);
  position: absolute;
  right: 42px;
  top: 50%;
  transform: translateY(-50%);
  background: #333;
  color: white;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
}

#mode-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  background: rgba(0, 0, 0, 0.65);
  color: white;
  font-size: 14px;
  padding: 8px 20px;
  border-radius: 20px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#mode-toast.visible {
  opacity: 1;
}

/* Bookmark panel — floating left, below Leaflet zoom control */
#bookmark-panel {
  position: absolute;
  top: 80px;
  left: 12px;
  z-index: 3;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 8px;
  padding: 10px 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  min-width: 180px;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: auto;
}

.bookmark-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  line-height: 1.3;
}

.bookmark-navigate {
  cursor: pointer;
  font-size: 16px;
  flex-shrink: 0;
}

.bookmark-navigate:hover {
  opacity: 0.7;
}

.bookmark-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  color: #333;
}

.bookmark-name:hover {
  text-decoration: underline;
}

.bookmark-name-input {
  flex: 1;
  font-size: 13px;
  padding: 1px 4px;
  border: 1px solid #3388ff;
  border-radius: 3px;
  outline: none;
  min-width: 0;
}

.bookmark-delete {
  cursor: pointer;
  color: #cc3333;
  font-size: 16px;
  flex-shrink: 0;
  font-weight: bold;
  line-height: 1;
}

.bookmark-delete:hover {
  color: #ff0000;
}