/* ---------- Images to PDF layout ---------- */

.imgpdf-layout {
  max-width: 1500px;
  margin: 26px auto 40px;
  padding: 0 18px;
  display: flex;
  gap: 20px;       /* space between columns */
  align-items: flex-start;
}

/* Left side */

.imgpdf-left {
  flex: 1 1 auto;
  min-width: 220px;
  display: flex;
  flex-direction: column;
}

.imgpdf-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
/* Upload row: left = drop zone, right = vertical buttons */
.imgpdf-upload-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 14px;
}

/* Drop area full height of row */
.imgpdf-drop {
  flex: 1;
  border-radius: 18px;
  border: 2px dashed var(--border-panel);
  background: #ffffff;
  padding: 24px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.imgpdf-drop:hover {
  border-color: var(--accent-primary);
  background: var(--accent-primary-soft);
}

.imgpdf-drop-main {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
}

.imgpdf-drop-sub {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-sub);
}

.imgpdf-actions-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.imgpdf-mini-btn {
  padding: 8px 16px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--border-panel);
  background: #ffffff;
  color: var(--text-main);
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-fast);
}

.imgpdf-mini-btn:hover {
  background: #f0f2f9;
  border-color: #ccc;
}

/* Thumbnails grid */

.imgpdf-grid {
  margin-top: 10px;
  padding: 20px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid var(--border-panel);
  min-height: 300px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
  box-shadow: var(--shadow-soft);
}

.imgpdf-grid.empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.imgpdf-empty-text {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
}

/* Thumbnail card */

.imgpdf-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--border-panel);
  box-shadow: var(--shadow-soft);
  cursor: move;
  transition: transform var(--transition-fast);
}

.imgpdf-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}

.imgpdf-item img {
  display: block;
  width: 100%;
  height: 480px;
  object-fit: contain;
  background: #f8f9fc;
}

.imgpdf-item-caption {
  padding: 10px;
  font-size: 11px;
  color: var(--text-main);
  background: #ffffff;
  border-top: 1px solid var(--border-panel);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  font-weight: 500;
}

/* top-right controls */

.imgpdf-item-controls {
  position: absolute;
  top: 6px;
  right: 6px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.imgpdf-item:hover .imgpdf-item-controls {
  opacity: 1;
}

.thumb-btn {
  border: none;
  border-radius: 6px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.thumb-btn-delete {
  background: #ffeded;
  color: #ff5252;
}

.imgpdf-item.dragging {
  opacity: 0.5;
  outline: 2px solid var(--accent-primary);
  cursor: grabbing;
}

/* Right side options panel */

.imgpdf-right {
  width: 320px;
  border-radius: 24px;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--border-panel);
  box-shadow: var(--shadow-strong);
  margin-left: auto;
  position: sticky;
  top: 100px;
}

.imgpdf-options-title {
  margin: 0 0 20px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.imgpdf-option-group {
  margin-bottom: 20px;
}

.imgpdf-option-label {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.imgpdf-toggle-row {
  display: flex;
  gap: 10px;
}

.imgpdf-toggle {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border-panel);
  background: #f8f9fc;
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.imgpdf-toggle:hover {
  background: #f0f2f9;
  color: var(--text-main);
}

.imgpdf-toggle.active {
  border-color: var(--accent-primary);
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
}

.imgpdf-convert-btn {
  width: 100%;
  height: 52px;
  margin-top: 24px;
  border-radius: 12px;
  font-size: 16px;
}

.input-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

.input-label select, 
.input-label input[type="text"] {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border-panel);
  background: #f8f9fc;
  font-size: 14px;
  outline: none;
}

/* Mobile */

@media (max-width: 992px) {
  .imgpdf-layout {
    flex-direction: column;
  }
  
  .imgpdf-right {
    width: 100%;
    position: static;
  }
}

@media (max-width: 768px) {
  .imgpdf-upload-row {
    grid-template-columns: 1fr;
  }

  .imgpdf-actions-row {
    flex-direction: row;
    justify-content: flex-start;
  }

  .imgpdf-mini-btn {
    flex: 1;
    text-align: center;
  }
}