/* Navigasi buku: judul bab dan subbab terlihat sebagai gambar dari halaman PDF asli */
.booknav{padding:24px;margin:18px 0}.booknav>h3{font:700 15px Manrope,Arial,sans-serif;color:#255b44;margin:20px 0 12px}.booknav>p{font-size:13px;color:#526f5d;max-width:980px}.booknav .footnote{padding:13px 0 0;margin:0;font-size:12px}.book-nav-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}.book-nav-grid button{background:#f7faf7;border:1px solid #d6e4d8;border-radius:9px;padding:12px 14px;min-height:68px;text-align:left;color:#22533e;font-size:13px;font-weight:700;line-height:1.4}.book-nav-grid button span{display:block;font-weight:500;color:#77907e;font-size:11px;margin-top:5px}.book-nav-grid button:hover{background:#edf7ef;border-color:#7aad8c}.book-nav-grid button.selected,.book-nav-grid button[aria-pressed=true]{background:#1b604a;color:white;border-color:#1b604a}.book-nav-grid button.selected span{color:#d4edda}
.book-preview{background:#fff;border-radius:13px;padding:23px 27px;border:1px solid #cfded2;margin:17px 0;scroll-margin-top:12px}.book-preview:focus{outline:none}.book-preview-top{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.book-preview-top p{font-size:13px;color:#5d7464}.book-preview-top h2{font-size:23px;line-height:1.3}.book-preview-top strong{background:#e7f3e9;color:#24583f;padding:6px 10px;border-radius:6px;white-space:nowrap;font-size:12px}.book-page-image{background:#f0f2ed;border:1px solid #e1e8e0;border-radius:10px;padding:13px;margin:15px 0;text-align:center;overflow:auto}.book-page-image img{display:block;width:100%;height:auto;max-width:980px;margin:auto;object-fit:contain;box-shadow:0 3px 16px #1b392420}.book-preview-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.book-preview-actions a,.book-preview-actions button{display:inline-block;padding:11px 15px;border-radius:8px;font-size:12px;font-weight:750;text-decoration:none;border:1px solid #205e47;cursor:pointer}.book-preview-actions a{color:#fff;background:#205e47}.book-preview-actions button{background:#fff;color:#205e47}.book-preview-hint{font-size:12px;color:#687a6d;margin:15px 0 0}.book-reader{background:#fff;border:1px solid #dae6db;padding:25px 24px;border-radius:12px;margin:19px 0 35px}.book-reader-head p{font-size:12px;color:#63786c}.book-reader .pdfbox{margin-top:15px}.book-reader .pdfbuttons{margin-top:12px}
@media(max-width:750px){.booknav{padding:15px}.book-nav-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.book-preview{padding:14px}.book-preview-top{display:block}.book-preview-top h2{font-size:18px}.book-preview-top strong{display:inline-block}.book-page-image{padding:5px}.book-reader{padding:15px}.book-preview-actions a,.book-preview-actions button{width:100%;text-align:center}}
@media(max-width:400px){.book-nav-grid{grid-template-columns:1fr}}

.book-subchapter-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.book-subchapter{border:1px solid #dce9de;border-radius:8px;background:#f8fbf8;overflow:hidden}.book-subchapter summary{cursor:pointer;font-weight:750;color:#22533e;padding:12px 14px}.book-subchapter[open] summary{background:#e7f1e9}.book-subchapter .book-nav-grid{grid-template-columns:1fr;padding:12px}.book-subchapter .book-nav-grid button{min-height:0;padding:9px 12px}
@media(max-width:750px){.book-subchapter-list{grid-template-columns:1fr}}