/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  min-height: 44px;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.btn-primary:active {
  filter: brightness(0.92);
  transform: scale(0.97);
  transition: all var(--duration-fast) var(--ease-out);
}

.btn-outline {
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
}
.btn-outline:active {
  background: var(--color-border);
  transform: scale(0.98);
  transition: all var(--duration-fast) var(--ease-out);
}

.btn-ghost {
  color: var(--color-text-secondary);
}
.btn-ghost:active { background: rgba(0,0,0,0.08); }

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  border-radius: var(--radius-lg);
}

.btn-block { width: 100%; }

.btn-icon {
  width: 44px; height: 44px;
  padding: 0;
  border-radius: 50%;
}

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
  cursor: not-allowed;
}

/* === Bottom Sheet === */
.bottom-sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 900;
  animation: fadeIn var(--duration-normal) var(--ease-out);
  touch-action: none;
  pointer-events: auto;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.bottom-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--bottom-bar-height) + env(safe-area-inset-bottom, 0));
  max-height: var(--sheet-max-height);
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 901;
  display: flex;
  flex-direction: column;
  animation: slideUp var(--duration-slow) var(--ease-spring);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  touch-action: manipulation;
  pointer-events: auto;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.bottom-sheet.closing {
  animation: slideDown var(--duration-normal) var(--ease-in) forwards;
  pointer-events: none;
}

@keyframes slideDown {
  to { transform: translateY(100%); }
}

.sheet-handle {
  width: 36px; height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  margin: var(--spacing-sm) auto;
  flex-shrink: 0;
}

.sheet-content {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--spacing-md) var(--spacing-lg);
  -webkit-overflow-scrolling: touch;
}

.sheet-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.sheet-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.sheet-close {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--duration-fast) var(--ease-out);
}
.sheet-close:active { background: var(--color-border); transform: scale(0.95); }

/* === Cards === */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

.card-clickable {
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.card-clickable:active { transform: scale(0.98); }

/* === Location Card (in sheet) === */
.location-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.location-compare img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.location-compare .label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 2px;
}

.location-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background: var(--color-bg);
  color: var(--color-text-secondary);
}

.tag-accent {
  background: rgba(185,28,28,0.08);
  color: var(--color-primary);
}

.tag-info {
  background: rgba(99,102,241,0.08);
  color: var(--color-accent);
}

/* === Route List === */
.route-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.15s ease;
}
.route-item:active { background: var(--color-border); }

.route-item .route-number {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  flex-shrink: 0;
}

.route-item .route-info {
  flex: 1;
  min-width: 0;
}

.route-item .route-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.route-item .route-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* Drag handle */
.drag-handle {
  cursor: grab;
  color: var(--color-text-secondary);
  padding: var(--spacing-sm);
  touch-action: none;
}
.drag-handle:active { cursor: grabbing; }

.route-item.dragging {
  opacity: 0.5;
  background: var(--color-bg);
}

.route-item.drag-over {
  border-top: 2px solid var(--color-primary);
}


/* === FAB === */
.fab {
  position: fixed;
  right: var(--spacing-md);
  bottom: calc(var(--bottom-bar-height) + var(--spacing-lg) + env(safe-area-inset-bottom, 0));
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
  cursor: pointer;
}
.fab:active { transform: scale(0.95); }

.fab .badge {
  position: absolute;
  top: -2px; right: -2px;
  min-width: 20px; height: 20px;
  border-radius: 10px;
  background: #fff;
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  border: 2px solid var(--color-primary);
}

/* === Progress === */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  background: var(--color-success);
  border-radius: 2px;
  transition: width var(--duration-slow) var(--ease-out);
}

/* === Photo card === */
.card-photo-wrap { margin-bottom: var(--spacing-md); }
.card-photo {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
}
.card-photo-label {
  font-size: var(--font-size-xs); color: var(--color-text-secondary);
  text-align: center; margin-top: 4px;
}
.card-photo-duration {
  font-size: var(--font-size-xs); color: var(--color-text-secondary); text-align: center;
}

/* === Description === */
.card-desc {
  margin-bottom: var(--spacing-md); font-size: var(--font-size-sm); line-height: 1.7;
}

/* === Map marker labels === */
.marker-label {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  font-size: 10px;
  font-weight: 600;
  color: #1c1917;
  text-shadow: 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff;
  white-space: nowrap;
  pointer-events: none;
  padding: 0 !important;
  margin: 0 !important;
}

/* === Map marker legend — floating rounded card === */
.marker-legend {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.92);
  border-radius: 999px;
  padding: 6px 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 10;
  font-size: 11px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.marker-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.marker-legend .legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* === Episode list === */
.episode-list {
  padding: var(--spacing-md);
}

.episode-item {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.15s ease;
}
.episode-item:active { background: var(--color-border); }

.episode-item .ep-number {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
}

.episode-item .ep-title {
  font-weight: 600;
  margin-top: 2px;
}

.episode-item .ep-locations {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* === Check-in === */
.checkin-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px var(--spacing-sm);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: var(--color-success);
  color: #fff;
}

.checkin-photo {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
}

/* === Compare overlay === */
.compare-overlay {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.compare-overlay img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.compare-overlay .overlay-img {
  position: absolute;
  top: 0; left: 0;
  width: 50%;
  height: 100%;
  object-fit: cover;
  border-right: 2px solid #fff;
}

.compare-overlay input[type="range"] {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

/* === Responsive === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}