/* ===========================================
   SVG GALLERY - VERTICAL LEFT SIDEBAR
   Professional drawing selection panel
   Note: Position handled by panel-alignment.css
=========================================== */

.svg-gallery-header {
  padding: 1rem 0.75rem;
  border-bottom: 1px solid #E2E8F0;
  background: #F8FAFC;
  flex-shrink: 0;
}

.svg-gallery-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #1E293B;
  margin: 0;
  text-align: center;
}

.svg-gallery-actions {
  display: none; /* Hide prev/next buttons in vertical layout */
}

.svg-gallery-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.svg-gallery-track {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem 0.5rem;
}

.svg-gallery-item {
  width: 100%;
  border: 2px solid #E2E8F0;
  border-radius: 8px;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  background: #FFFFFF;
  position: relative;
}

.svg-gallery-item:hover {
  border-color: #94A3B8;
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.svg-gallery-item.active {
  border-color: #0066CC;
  background: #F0F7FF;
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.1);
}

.svg-gallery-item.active::after {
  content: '';
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 20px;
  height: 20px;
  background: #0066CC;
  border-radius: 50%;
}

.svg-gallery-item.active::before {
  content: '✓';
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 20px;
  height: 20px;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.svg-gallery-thumbnail {
  width: 100%;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F8FAFC;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.svg-gallery-thumbnail img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.svg-gallery-thumbnail i {
  font-size: 2rem;
  color: #CBD5E1;
}

.svg-gallery-label {
  font-size: 0.7rem;
  color: #64748B;
  text-align: center;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

.svg-gallery-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  color: #94A3B8;
  text-align: center;
}

.svg-gallery-empty i {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: #CBD5E1;
}

.svg-gallery-empty p {
  margin: 0;
  font-size: 0.875rem;
}

/* Scrollbar styling for gallery */
.svg-gallery-container::-webkit-scrollbar {
  width: 6px;
}

.svg-gallery-container::-webkit-scrollbar-track {
  background: #F1F5F9;
}

.svg-gallery-container::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 3px;
}

.svg-gallery-container::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Adjust main content area to account for left sidebar */
#part-viewer-page {
  margin-left: 180px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .svg-gallery {
    width: 140px;
  }
  
  .svg-gallery-thumbnail {
    height: 80px;
  }
  
  .svg-gallery-label {
    font-size: 0.65rem;
  }
  
  #part-viewer-page {
    margin-left: 140px;
  }
}

@media (max-width: 576px) {
  .svg-gallery {
    display: none; /* Hide on very small screens */
  }
  
  #part-viewer-page {
    margin-left: 0;
  }
}