/* Compress PDF Tool Styles */
#drop-zone {
  background: var(--bs-light-bg-subtle);
  border: 2px dashed var(--bs-primary);
  transition: background-color 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
}

#drop-zone.dragover {
  background: var(--bs-primary-bg-subtle);
  border-color: var(--bs-primary-border-subtle);
}

/* Compression Levels Interactive Selection Cards */
.compression-option-label {
  cursor: pointer;
  user-select: none;
}

.compression-card {
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  border-color: var(--bs-border-color);
  background: var(--bs-body-bg);
}

.compression-option-label:hover .compression-card {
  border-color: var(--bs-primary-border-subtle);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.compression-option-label input[type="radio"]:checked + .compression-card {
  border-color: var(--bs-primary) !important;
  background-color: var(--bs-primary-bg-subtle) !important;
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.2) !important;
}

/* Ensure selected state works beautifully even without active-option JS toggle */
.compression-card.active-option {
  border-width: 1.5px;
}