/* TechTools — image-to-pdf styles [v2.1 §4.2 D1] */
.pdf-options {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.pdf-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.pdf-opt select.tool-select {
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}
.pdf-opt select.tool-select:focus { border-color: var(--accent-doc); }
.pdf-check input { accent-color: var(--accent-doc); width: 15px; height: 15px; cursor: pointer; }
.drop-zone {
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.drop-zone.dragover {
  border-color: var(--accent-doc);
  background: rgba(6,182,212,0.06);
}
.drop-zone p { margin-bottom: 12px; }
.drop-zone .drop-hint { font-size: 12px; color: var(--text-muted); margin-top: 10px; margin-bottom: 0; }
.img-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.img-item {
  position: relative;
  width: 92px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.3);
  cursor: grab;
  user-select: none;
}
.img-item.dragging { opacity: 0.5; }
.img-item img {
  width: 100%;
  height: 92px;
  object-fit: cover;
  display: block;
}
.img-item .img-order {
  position: absolute;
  top: 4px;
  left: 4px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 6px;
}
.img-item .img-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: rgba(255,0,110,0.85);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  cursor: pointer;
}
.pdf-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}