/* Sách lật trang bằng PDF.js (inc/sach-lat-pdf.php) — dùng màu sẵn có của theme, không thêm kiểu chữ. */
.hcm-slp { margin: 1.25rem 0; border: 1px solid #d5dbd6; border-radius: 8px; background: #f3f5f3; overflow: hidden; }
.hcm-slp:focus-visible { outline: 3px solid var(--wp--preset--color--primary, #007a29); outline-offset: 2px; }
.hcm-slp__thanh { display: flex; align-items: center; gap: 6px; padding: 8px; background: #fff; border-bottom: 1px solid #d5dbd6; flex-wrap: wrap; }
.hcm-slp__gian { flex: 1 1 auto; }
.hcm-slp__nut { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 44px; min-height: 44px; padding: 0 10px; border: 1px solid #b9c2bb; border-radius: 6px; background: #fff; color: #1d2b21; font: inherit; font-size: .9rem; text-decoration: none; cursor: pointer; }
.hcm-slp__nut:hover:not(:disabled), .hcm-slp__nut:focus-visible { border-color: var(--wp--preset--color--primary, #007a29); color: var(--wp--preset--color--primary, #007a29); }
.hcm-slp__nut:disabled { opacity: .4; cursor: default; }
.hcm-slp__so { min-width: 7.5em; text-align: center; font-size: .9rem; font-variant-numeric: tabular-nums; }
.hcm-slp__khung { margin: 12px auto; padding: 0 8px; box-sizing: border-box; width: 100%; }
.hcm-slp__du-phong { margin: 2rem 1rem; text-align: center; }
.hcm-slp__trang { background: #fff; box-shadow: 0 0 0 1px #d5dbd6; overflow: hidden; }
.hcm-slp__trang canvas { display: block; width: 100%; height: 100%; }
.hcm-slp__goi-y { margin: 0; padding: 0 12px 10px; text-align: center; font-size: .8rem; color: #4a5a4f; }
.hcm-slp__tieu-de { margin-bottom: .25rem; }
@media (max-width: 599px) {
	.hcm-slp__nut--chu span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
	.hcm-slp__khung { padding: 0 4px; margin: 8px auto; }
	.hcm-slp__thanh { flex-wrap: nowrap; gap: 4px; padding: 6px; }
	.hcm-slp__so { min-width: 0; flex: 0 1 auto; font-size: .85rem; white-space: nowrap; }
}
/* Toàn màn hình (Fullscreen API hoặc phủ kín cửa sổ trên iPhone). */
.hcm-slp:fullscreen, .hcm-slp--toan { margin: 0; border: 0; border-radius: 0; display: flex; flex-direction: column; background: #2a2f2b; }
.hcm-slp--toan { position: fixed; inset: 0; z-index: 100000; }
.hcm-slp:fullscreen .hcm-slp__khung, .hcm-slp--toan .hcm-slp__khung { margin: auto; }
.hcm-slp:fullscreen .hcm-slp__goi-y, .hcm-slp--toan .hcm-slp__goi-y { display: none; }
html.hcm-slp-khoa { overflow: hidden; }
@media (prefers-reduced-motion: reduce) {
	.hcm-slp .stf__block { transition: none !important; }
}