@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;600;700&display=swap');

:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-hover: #243044;
  --border: #2d3a4d;
  --text: #e6edf3;
  --text-muted: #8b9eb5;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --radius: 10px;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

.header {
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.2rem;
  width: 100%;
}

.header-logo {
  display: block;
  line-height: 0;
  flex-shrink: 0;
  max-height: 32px;
  margin-left: auto;
}

.header-logo img {
  display: block;
  height: 32px;
  max-height: 32px;
  max-width: 120px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
}

.header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.export-type-label {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

.export-type-select {
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}

.btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--accent);
  color: #111;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

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

.sidebar {
  width: var(--sidebar-width, 400px);
  min-width: 240px;
  max-width: min(600px, 50vw);
  flex-shrink: 0;
  padding: 1rem;
  overflow-y: auto;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.sidebar-resize-handle {
  width: 6px;
  flex-shrink: 0;
  cursor: col-resize;
  background: transparent;
  transition: background 0.15s;
}

.sidebar-resize-handle:hover,
.sidebar-resize-handle:active {
  background: var(--accent);
}

.sidebar-resize-handle::after {
  content: '';
  display: block;
  width: 2px;
  height: 100%;
  margin: 0 auto;
  background: var(--border);
}

.sidebar-resize-handle:hover::after,
.sidebar-resize-handle:active::after {
  background: var(--accent);
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.card-header:hover {
  background: var(--surface-hover);
}

.card-toggle {
  flex-shrink: 0;
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.card.card--collapsed .card-toggle {
  transform: rotate(-90deg);
}

.card-body {
  padding: 0 1.25rem 1rem 1.25rem;
  padding-top: 0;
}

.card.card--collapsed .card-body {
  display: none;
}

.card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-body > *:first-child {
  margin-top: 0.75rem;
}

.card ol {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.6;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.card li {
  margin-bottom: 0.35rem;
}

.card-search .search-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.search-input {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.search-results {
  margin-top: 0.25rem;
}

.gmaps-link-label {
  margin: 1rem 0 0.35rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.gmaps-search-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn-gmaps-search {
  flex: 1;
  min-width: 0;
}


.search-result-row {
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.search-result-name {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text);
  word-break: break-word;
}

.search-result-add-actions {
  display: flex;
  gap: 0.5rem;
  padding: 0 0.75rem 0.5rem;
}

.btn-search-add {
  flex: 1;
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
}

.search-result-item {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 0;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}

.search-result-item:hover {
  background: var(--surface-hover);
}

.search-result-replace {
  padding: 0.35rem 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.search-replace-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: default;
}

.search-replace-select {
  flex: 1;
  min-width: 0;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.search-replace-select:focus {
  outline: none;
  border-color: var(--accent);
}

.card .hint {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.gpx-import-choice {
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.gpx-import-title {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.gpx-import-option {
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.gpx-import-label {
  display: block;
  margin-bottom: 0.25rem;
  word-break: break-word;
}

.gpx-import-choice .btn {
  margin-right: 0.5rem;
  margin-top: 0.25rem;
}

.gpx-import-error {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-sm {
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
}

.btn-reverse-waypoints {
  margin-bottom: 0.75rem;
  width: 100%;
}

.waypoints-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.waypoint-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.waypoint-item:last-child {
  border-bottom: none;
}

.waypoint-item-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.waypoint-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.waypoint-segment-distance {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.waypoint-segment-roads {
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.9;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.waypoint-actions {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex-shrink: 0;
}

.waypoint-drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: grab;
  user-select: none;
}

.waypoint-drag-handle:active {
  cursor: grabbing;
}

.waypoint-item.draggable {
  cursor: default;
}

.waypoint-item.waypoint-dragging {
  opacity: 0.6;
}

.waypoint-item.waypoint-drop-target {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.btn-edit-waypoint,
.btn-remove-waypoint {
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  border: none;
  border-radius: 4px;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}

.btn-edit-waypoint {
  background: var(--surface-hover);
  color: var(--text-muted);
}

.btn-edit-waypoint:hover {
  background: var(--border);
  color: var(--text);
}

.btn-remove-waypoint {
  background: var(--surface-hover);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.btn-remove-waypoint:hover {
  background: #dc2626;
  color: #fff;
}

.map-view-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-map-view {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-map-view:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.btn-map-view.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #111;
}

.label-with-select {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.label-with-select .label-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.select-preference {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.select-preference:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
  margin-bottom: 0.5rem;
}

.checkbox-label:last-child {
  margin-bottom: 0;
}

.checkbox-label input {
  accent-color: var(--accent);
}

.route-info {
  font-size: 0.9rem;
}

.route-info .muted {
  color: var(--text-muted);
  margin: 0;
}

.route-info p {
  margin: 0.25rem 0;
}

.route-info .highlight {
  color: var(--accent);
  font-weight: 600;
}

.route-info .loading {
  color: var(--text-muted);
  font-style: italic;
}

.route-info .route-fallback-note {
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.map {
  flex: 1;
  min-height: 300px;
}

.leaflet-control-attribution {
  background: rgba(26, 35, 50, 0.9) !important;
  color: var(--text-muted) !important;
  font-size: 10px;
}

.leaflet-popup-content .map-popup-add-waypoint {
  margin: 0;
  min-width: 180px;
}

.map-popup-add-waypoint {
  font-size: 0.85rem;
}

.map-popup-add-waypoint .map-popup-title {
  margin: 0 0 0.5rem;
  font-weight: 600;
  color: var(--text);
}

.map-popup-between {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}

.map-popup-between-btn {
  white-space: nowrap;
  flex-shrink: 0;
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #111 !important;
}

.map-popup-between-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.map-popup-add-waypoint .map-popup-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.map-popup-add-waypoint .map-popup-position {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.map-popup-add-waypoint .map-popup-position label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text);
}

.map-popup-pos-input {
  width: 3.5em;
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
}

.map-popup-add-waypoint .btn {
  margin-right: 0;
}

.waypoint-popup {
  margin: 0;
  min-width: 140px;
}

.waypoint-popup-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text);
}

.waypoint-popup-gmaps {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
}

.waypoint-popup-gmaps:hover {
  text-decoration: underline;
}

.waypoint-popup-delete {
  display: block;
  width: 100%;
  margin-top: 0.6rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  background: transparent;
  border: 1px solid #e05252;
  color: #e05252;
  border-radius: 5px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}

.waypoint-popup-delete:hover {
  background: #e05252;
  color: #fff;
}

@media (max-width: 768px) {
  .main {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    max-height: 220px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}