/* ============================================
   JPG to PDF Tool - Standalone layout
   State 1: Upload → State 2: Images grid + page size + download
   Reference: PDF to JPG visual style
   ============================================ */

.jpg2pdf-single-card {
  padding: var(--mk-space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-lg);
}

/* State 1: Upload area */
.jpg2pdf-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;
}

.jpg2pdf-upload-area:hover,
.jpg2pdf-upload-area.dragover {
  border-color: var(--mk-primary);
  background: var(--mk-primary-light);
}

.jpg2pdf-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--mk-space-md);
}

.jpg2pdf-upload-icon {
  font-size: 3rem;
  opacity: 0.5;
}

.jpg2pdf-upload-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--mk-text-main);
  margin: 0;
}

.jpg2pdf-upload-subtitle {
  font-size: 0.875rem;
  color: var(--mk-text-muted);
  margin: 0;
}

/* State 2: Converter area */
.jpg2pdf-converter-area {
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-2xl);
}

/* Page size setting */
.jpg2pdf-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);
}

.jpg2pdf-page-size-row {
  display: flex;
  flex-direction: column;
  gap: var(--mk-space-xs);
}

.jpg2pdf-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--mk-text-main);
}

.form-select.jpg2pdf-page-size-select,
.jpg2pdf-page-size-select {
  max-width: 200px;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-size: 0.9375rem;
  color: var(--mk-text-main);
  background-color: var(--mk-card-bg);
  border: 1px solid var(--mk-border);
  border-radius: var(--mk-radius-md);
  transition: border-color var(--mk-transition-fast), box-shadow var(--mk-transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='%2394a3b8'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

.form-select.jpg2pdf-page-size-select:hover,
.jpg2pdf-page-size-select:hover {
  border-color: var(--mk-text-muted);
}

.form-select.jpg2pdf-page-size-select:focus,
.jpg2pdf-page-size-select:focus {
  outline: none;
  border-color: var(--mk-primary);
  box-shadow: 0 0 0 3px var(--mk-primary-light);
}

/* Dark theme: dropdown options use dark styling, lighter arrow */
[data-theme="dark"] .form-select.jpg2pdf-page-size-select,
[data-theme="dark"] .jpg2pdf-page-size-select {
  color-scheme: dark;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='%23cbd5e1'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

/* Light theme: dropdown options use light styling */
:root:not([data-theme="dark"]) .form-select.jpg2pdf-page-size-select,
:root:not([data-theme="dark"]) .jpg2pdf-page-size-select {
  color-scheme: light;
}

/* Pages grid */
.jpg2pdf-pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--mk-space-lg);
  margin-bottom: var(--mk-space-xl);
}

.jpg2pdf-page-card {
  background: var(--mk-bg);
  border-radius: var(--mk-radius-md);
  overflow: hidden;
  border: 1px solid var(--mk-border);
  position: relative;
}

.jpg2pdf-page-thumb-wrap {
  position: relative;
  cursor: pointer;
  display: block;
  aspect-ratio: 3/4;
}

.jpg2pdf-page-thumb {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: contain;
  background: var(--mk-bg);
  display: block;
}

.jpg2pdf-page-thumb-wrap:hover .jpg2pdf-page-thumb {
  opacity: 0.9;
}

.jpg2pdf-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);
}

.jpg2pdf-page-card:hover .jpg2pdf-page-actions {
  opacity: 1;
}

.jpg2pdf-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);
}

.jpg2pdf-page-delete:hover {
  background: rgba(200, 50, 50, 0.9);
}

.jpg2pdf-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);
}

.jpg2pdf-page-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
}

.jpg2pdf-page-num {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mk-text-main);
}

/* Add image card */
.jpg2pdf-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);
}

.jpg2pdf-add-card:hover,
.jpg2pdf-add-card:focus {
  border-color: var(--mk-primary);
  background: var(--mk-primary-light);
  outline: none;
}

.jpg2pdf-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);
}

.jpg2pdf-add-card:hover .jpg2pdf-add-thumb,
.jpg2pdf-add-card:focus .jpg2pdf-add-thumb {
  background: transparent;
}

.jpg2pdf-add-icon {
  font-size: 3rem;
  font-weight: 300;
  color: var(--mk-text-muted);
  line-height: 1;
}

.jpg2pdf-add-card:hover .jpg2pdf-add-icon,
.jpg2pdf-add-card:focus .jpg2pdf-add-icon {
  color: var(--mk-primary);
}

.jpg2pdf-add-info {
  padding: var(--mk-space-md) var(--mk-space-md);
}

/* Action buttons */
.jpg2pdf-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--mk-space-md);
  padding-top: var(--mk-space-md);
}

.jpg2pdf-actions .mk-btn {
  width: auto;
}

.jpg2pdf-actions .mk-btn svg {
  margin-right: 0.35rem;
  vertical-align: -0.2em;
}

.jpg2pdf-actions .mk-btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Preview modal */
.jpg2pdf-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);
}

.jpg2pdf-preview-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.jpg2pdf-preview-modal[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.jpg2pdf-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  cursor: pointer;
}

.jpg2pdf-preview-content {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  z-index: 1;
}

.jpg2pdf-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);
}

.jpg2pdf-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);
}

.jpg2pdf-preview-close:hover {
  background: rgba(255, 255, 255, 0.35);
}