/* ─── Zoom controls ─── */
#zoom-controls {
  position: fixed;
  bottom: 24px;
  left: 14px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}

#zoom-btns {
  display: flex;
  flex-direction: row;
  gap: 4px;
  background: rgba(19, 41, 75, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(44, 78, 138, 0.4);
  border-radius: 10px;
  padding: 4px;
}

#zoom-hint {
  font-size: .58rem;
  color: rgba(255, 255, 255, 0.35);
  white-space: nowrap;
  padding-left: 2px;
  font-style: italic;
}

.zoom-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  transition: all .2s;
}

.zoom-btn:hover {
  background: rgba(44, 78, 138, 0.5);
  color: var(--text);
}

.zoom-btn.tutorial-trigger {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(0, 159, 212, 0.45);
  background: rgba(0, 159, 212, 0.08);
  color: var(--accent-2);
  transition: border-color .2s, background .2s, color .2s;
}

.zoom-btn.tutorial-trigger:hover {
  color: #fff;
  border-color: rgba(0, 159, 212, 0.85);
  background: rgba(0, 159, 212, 0.22);
}

.zoom-btn.tutorial-trigger svg {
  width: 15px;
  height: 15px;
}

/* ─── Legend ─── */
#legend {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: rgba(19, 41, 75, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(44, 78, 138, 0.35);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: .7rem;
  color: var(--text-dim);
}

#legend .legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

#legend .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}