.toolhub-split-pdf__dropzone { display:grid; gap:.2rem; margin-bottom:1rem; padding:1.3rem; border:2px dashed #9aa8bb; border-radius:12px; background:var(--thub-surface-alt); cursor:pointer; text-align:center; }
.toolhub-split-pdf__dropzone.is-dragging { border-color:var(--thub-accent); background:var(--thub-accent-soft); }
.toolhub-split-pdf__dropzone:focus-visible { outline:3px solid rgba(23,105,224,.28); outline-offset:2px; }
.toolhub-split-pdf__modes { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.55rem; margin:1rem 0; padding:0; border:0; }
.toolhub-split-pdf__modes label { display:flex; gap:.45rem; align-items:center; min-width:0; padding:.65rem; border:1px solid var(--thub-border); border-radius:9px; cursor:pointer; }
.toolhub-split-pdf__modes label:has(input:checked) { border-color:var(--thub-accent); background:var(--thub-accent-soft); }
.toolhub-split-pdf__modes input:focus-visible { outline:3px solid rgba(23,105,224,.28); outline-offset:2px; }
@media (max-width:520px) { .toolhub-split-pdf__modes { grid-template-columns:minmax(0,1fr); } }