/* ===== 표지 터잡기 이식분 보조 스타일 ===== */
.slotgrid{display:grid;grid-template-columns:1fr 1fr;gap:6px 8px}
.slotgrid label{display:flex;flex-direction:column;gap:2px;font-size:10.5px;font-weight:700}
.slotgrid select{width:100%;padding:4px 6px;font-size:11px}
.slotgrid select.filled{border-color:#0E7C86;background:#f0fbfb}
#spinePickerStage{position:relative;overflow:hidden;touch-action:none;cursor:grab;background:#111827}
#spinePickerImgWrap{position:absolute;left:0;top:0;transform-origin:0 0}
.pi-guide-line{position:absolute;top:0;bottom:0;width:0;cursor:ew-resize;z-index:10}
.pi-guide-line:hover{filter:brightness(1.3)}
.pi-guide-label{position:absolute;top:-2px;left:4px;color:#fff;font-size:10px;font-weight:800;padding:2px 5px;border-radius:4px;white-space:nowrap;pointer-events:none}

#sendInnerToImpoBtn{display:block;width:100%;margin-top:6px;background:#2563eb;white-space:normal}
#sendInnerToImpoBtn:hover:not(:disabled){background:#1d4ed8}