* {
  box-sizing: border-box;
}

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

body {
  display: flex;
}

#sidebar {
  width: 320px;
  flex-shrink: 0;
  padding: 16px;
  overflow-y: auto;
  background: #f5f5f2;
  border-right: 1px solid #ddd;
}

#sidebar h1 {
  font-size: 1.2rem;
  margin: 0 0 16px;
}

#sidebar h2 {
  font-size: 0.95rem;
  margin: 0 0 8px;
  color: #444;
}

section {
  margin-bottom: 24px;
}

#upload-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#upload-form input[type="file"] {
  font-size: 0.85rem;
}

button {
  padding: 6px 12px;
  border: 1px solid #888;
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
}

button:hover {
  background: #eee;
}

#export-btn {
  width: 100%;
}

#upload-status,
#export-status {
  font-size: 0.85rem;
  color: #555;
  min-height: 1.2em;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inline-checkbox {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: #444;
}

.tool-buttons {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-btn {
  text-align: left;
}

.tool-btn.active {
  background: #2b6cb0;
  color: #fff;
  border-color: #2b6cb0;
}

.tool-readout {
  margin-top: 8px;
  padding: 8px;
  background: #eef4fb;
  border: 1px solid #cfe0f0;
  border-radius: 6px;
  font-size: 0.8rem;
}

.tool-readout p {
  margin: 0 0 6px;
}

.point-label {
  font-weight: 600;
}

#maps-list,
#points-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.map-item {
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 8px;
  background: #fff;
}

.map-item-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.map-item-name {
  flex: 1;
  font-size: 0.85rem;
  word-break: break-word;
}

.map-item-warning {
  font-size: 0.75rem;
  color: #a15c00;
  margin: 4px 0;
}

.map-item-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.map-item-actions button {
  font-size: 0.75rem;
  padding: 3px 8px;
}

.opacity-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 0.75rem;
}

.opacity-row input[type="range"] {
  flex: 1;
}

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

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  width: 400px;
  max-width: 90vw;
}

.modal-content label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.modal-content input[type="text"] {
  width: 100%;
  padding: 6px;
  margin-top: 4px;
  font-size: 0.85rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

.error {
  color: #c0392b;
  font-size: 0.8rem;
}