/* ============================================
   PDF to JPG Tool - Standalone layout
   State 1: Upload → State 2: Quality + pages grid + download
   Reference: Image Converter visual style
   ============================================ */

.pdf2jpg-single-card {
  padding: var(--mk-space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-lg);
}

/* State 1: Upload area */
.pdf2jpg-upload-area {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: var(--mk-space-2xl);
  background: var(--mk-bg);
  border: 2px dashed var(--mk-border);
  border-radius: var(--mk-radius-md);
  text-align: center;
  transition: all var(--mk-transition-base);
  cursor: pointer;
}

.pdf2jpg-upload-area:hover,
.pdf2jpg-upload-area.dragover {
  border-color: var(--mk-primary);
  background: var(--mk-primary-light);
}

.pdf2jpg-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--mk-space-md);
}

.pdf2jpg-upload-icon {
  font-size: 3rem;
  opacity: 0.5;
}

.pdf2jpg-upload-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--mk-text-main);
  margin: 0;
}

.pdf2jpg-upload-subtitle {
  font-size: 0.875rem;
  color: var(--mk-text-muted);
  margin: 0;
}

/* State 2: Converter area */
.pdf2jpg-converter-area {
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-2xl);
}

/* Quality setting (at bottom) */
.pdf2jpg-setting-group {
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-sm);
  padding-top: var(--mk-space-md);
  border-top: 1px solid var(--mk-border);
}

.pdf2jpg-slider-row {
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-xs);
}

.pdf2jpg-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.pdf2jpg-slider-value {
  font-weight: 500;
  color: var(--mk-primary);
}

/* Pages grid */
.pdf2jpg-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--mk-space-lg);
  margin-bottom: var(--mk-space-xl);
}

.pdf2jpg-page-card {
  background: var(--mk-bg);
  border-radius: var(--mk-radius-md);
  overflow: hidden;
  border: 1px solid var(--mk-border);
  position: relative;
}

.pdf2jpg-page-thumb-wrap {
  position: relative;
  cursor: pointer;
  display: block;
  aspect-ratio: 3/4;
}

.pdf2jpg-page-loading {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mk-bg);
  z-index: 2;
  transition: opacity 0.2s ease;
}

.pdf2jpg-page-loading.pdf2jpg-loading-done {
  pointer-events: none;
  opacity: 0;
}

.pdf2jpg-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--mk-border);
  border-top-color: var(--mk-primary);
  border-radius: 50%;
  animation: pdf2jpg-spin 0.8s linear infinite;
  will-change: transform;
}

@keyframes pdf2jpg-spin {
  to { transform: rotate(360deg); }
}

.pdf2jpg-page-thumb {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: contain;
  background: var(--mk-bg);
  display: block;
}

.pdf2jpg-page-thumb-wrap:hover .pdf2jpg-page-thumb {
  opacity: 0.9;
}

.pdf2jpg-page-actions {
  position: absolute;
  top: var(--mk-space-xs);
  right: var(--mk-space-xs);
  display: flex;
  gap: var(--mk-space-xs);
  opacity: 0;
  transition: opacity var(--mk-transition-fast);
}

.pdf2jpg-page-card:hover .pdf2jpg-page-actions {
  opacity: 1;
}

.pdf2jpg-page-delete {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: var(--mk-radius-sm);
  background: rgba(0, 0, 0, 0.6);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
  transition: background var(--mk-transition-fast);
}

.pdf2jpg-page-delete:hover {
  background: rgba(200, 50, 50, 0.9);
}

.pdf2jpg-page-info {
  padding: var(--mk-space-md) var(--mk-space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--mk-space-sm);
}

.pdf2jpg-page-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
}

.pdf2jpg-page-num {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mk-text-main);
}

.pdf2jpg-page-specs {
  font-size: 0.75rem;
  color: var(--mk-text-muted);
}

.pdf2jpg-page-specs .pdf2jpg-page-size {
  font-weight: 500;
}

/* Add PDF card - same size as page cards */
.pdf2jpg-add-card {
  display: flex;
  flex-direction: column;
  background: var(--mk-bg);
  border-radius: var(--mk-radius-md);
  overflow: hidden;
  border: 2px dashed var(--mk-border);
  cursor: pointer;
  transition: all var(--mk-transition-base);
}

.pdf2jpg-add-card:hover,
.pdf2jpg-add-card:focus {
  border-color: var(--mk-primary);
  background: var(--mk-primary-light);
  outline: none;
}

.pdf2jpg-add-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 3/4;
  flex: 1;
  min-height: 0;
  transition: background var(--mk-transition-base);
}

.pdf2jpg-add-card:hover .pdf2jpg-add-thumb,
.pdf2jpg-add-card:focus .pdf2jpg-add-thumb {
  background: transparent;
}

.pdf2jpg-add-icon {
  font-size: 3rem;
  font-weight: 300;
  color: var(--mk-text-muted);
  line-height: 1;
}

.pdf2jpg-add-card:hover .pdf2jpg-add-icon,
.pdf2jpg-add-card:focus .pdf2jpg-add-icon {
  color: var(--mk-primary);
}

.pdf2jpg-add-info {
  padding: var(--mk-space-md) var(--mk-space-md);
}

.pdf2jpg-page-download {
  padding: 0.35rem 0.6rem;
  font-size: 0.8125rem;
}

/* Action buttons */
.pdf2jpg-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--mk-space-md);
  padding-top: var(--mk-space-md);
}

.pdf2jpg-actions .mk-btn {
  width: auto;
}

.pdf2jpg-actions .mk-btn svg {
  margin-right: 0.35rem;
  vertical-align: -0.2em;
}

.pdf2jpg-actions .mk-btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Preview modal */
.pdf2jpg-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--mk-space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--mk-transition-base), visibility var(--mk-transition-base);
}

.pdf2jpg-preview-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.pdf2jpg-preview-modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.pdf2jpg-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  cursor: pointer;
}

.pdf2jpg-preview-content {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  z-index: 1;
}

.pdf2jpg-preview-img {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border-radius: var(--mk-radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.pdf2jpg-preview-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: var(--mk-radius-sm);
  background: rgba(255, 255, 255, 0.2);
  color: white;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--mk-transition-fast);
}

.pdf2jpg-preview-close:hover {
  background: rgba(255, 255, 255, 0.35);
}