.aula-pdf { border:1px solid #bfd7ed;border-radius:12px;padding:.8rem;background:#f8fbff;min-width:0; }
.aula-pdf [hidden], .portal-lms-detail form[hidden] { display:none!important; }
.aula-pdf h4,.aula-pdf h5 { margin:.3rem 0 .6rem;color:#0d4877; }
.aula-pdf p { margin:.55rem 0;line-height:1.5; }
.aula-pdf-actions { display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;margin:.55rem 0; }
.aula-pdf-actions button,.aula-pdf-actions a { min-height:34px; }
.aula-pdf [aria-pressed="true"] { background:#e2f0ff;border-color:#4293cf;color:#07538b; }
.aula-pdf-status { display:grid;gap:.3rem; }
.aula-pdf-status span,.aula-pdf-page small { color:#50718d;font-size:.85rem; }
.aula-pdf-pages { list-style:none;padding:0;display:grid;gap:.55rem;margin:.8rem 0; }
.aula-pdf-page { display:flex;gap:.75rem;align-items:center;border:1px solid #c9deef;border-radius:10px;padding:.65rem;background:#fff; }
.aula-pdf-page>div:last-child { min-width:0;flex:1; }
.aula-pdf-page strong,.aula-pdf-page small { display:block;overflow-wrap:anywhere; }
.aula-pdf-thumb { width:74px;height:96px;flex:0 0 74px;display:grid;place-items:center;overflow:hidden;background:#edf3fa;border-radius:7px; }
.aula-pdf-thumb img { width:64px;height:76px;object-fit:contain; }
.aula-pdf-page.is-excluded { background:#f4f5f7;border-style:dashed; }
.aula-pdf-thumb img.is-rotated { width:58px;height:68px; }
.aula-pdf-page.is-excluded .aula-pdf-thumb { opacity:.6; }
.aula-pdf-pending { padding:.75rem;border:1px solid #e3b665;border-radius:10px;background:#fff9ed;display:flex;gap:.8rem;align-items:flex-start; }
.aula-pdf-pending>img { width:100px;max-height:160px;object-fit:contain; }
.aula-pdf-camera { border:1px solid #bdd7ec;border-radius:10px;padding:.7rem;background:#fff; }
.aula-pdf-camera video { display:block;width:100%;max-height:55vh;object-fit:contain;background:#152d43;border-radius:8px; }
.aula-pdf-warning { border-left:3px solid #cc941f;background:#fff5db;padding:.65rem;color:#77510c; }
.aula-pdf-build { margin-top:.9rem;border-top:1px solid #c5d9ed;padding-top:.8rem; }
.aula-pdf-preview { display:block;width:100%;max-height:75vh;overflow:auto;min-height:260px;margin:.7rem 0;border:1px solid #c6dcef;border-radius:8px;background:#fff;padding:.6rem;box-sizing:border-box; }
.aula-pdf-preview canvas { display:block;max-width:100%;height:auto;margin:.6rem auto; }
.aula-pdf-approval { display:flex;gap:.55rem;align-items:flex-start;margin:.9rem 0; }
.aula-pdf-approval input { width:auto;flex:0 0 auto;min-height:0;margin-top:.2rem; }
.aula-pdf [data-pdf-message]:not(:empty) { background:#edf6ff;border-radius:8px;padding:.65rem;color:#164a73; }
@media(max-width:540px) {
 .aula-pdf { padding:.6rem; }.aula-pdf-page { gap:.5rem;align-items:flex-start; }
 .aula-pdf-pending { flex-direction:column; }.aula-pdf-actions button { font-size:.85rem; }
}