.book-content-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:32px;align-items:start;text-align:left}
.book-content-heading-copy h2{max-width:710px}
.book-share{padding:18px 20px;border:1px solid var(--line);border-radius:20px;background:var(--cream);color:var(--ink)}
.book-share-label{display:block;margin-bottom:12px;font-size:.85rem;font-weight:700}
.book-share-actions{display:flex;flex-wrap:wrap;gap:8px}
.book-share-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 12px;min-height:42px;border:1px solid #e2d9ca;border-radius:999px;background:#fff;color:var(--ink);font:600 .8rem/1.2 "DM Sans",system-ui,sans-serif;white-space:nowrap;cursor:pointer;text-decoration:none}
.book-share-button:hover{background:#fffdf9;border-color:var(--gold)}
.book-share-button:focus-visible,.book-share-close:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.share-whatsapp span{color:#167a42}.share-facebook span{color:#1760a5;font-size:1.15rem}.share-instagram span{color:#9e3671;font-size:1.1rem}
.book-share-status{font-size:.8rem;line-height:1.4;margin:10px 0 0}.book-share-status:empty{display:none}
.book-share-dialog{width:min(620px,calc(100% - 28px));max-height:90vh;overflow:auto;padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--paper);color:var(--text);box-shadow:var(--shadow)}
.book-share-dialog::backdrop{background:rgba(16,41,69,.55)}
.book-share-dialog h2{font-size:1.65rem;line-height:1.35;letter-spacing:normal;padding-right:30px}
.book-share-dialog p{font-size:.92rem;line-height:1.6}
.book-share-close{position:absolute;right:15px;top:12px;border:0;background:transparent;color:var(--ink);font-size:1.8rem;cursor:pointer;min-width:40px;min-height:40px}
.book-share-dialog canvas{display:block;width:min(100%,320px);height:auto;margin:18px auto;border-radius:12px;border:1px solid var(--line)}
.book-share-dialog canvas[hidden]{display:none}
.book-share-dialog-actions{display:flex;gap:10px;flex-wrap:wrap}
.book-share-dialog-actions .btn{font-size:.85rem;padding:10px 16px}
.book-share-dialog-actions [hidden]{display:none}.book-share-dialog-actions :disabled{opacity:.5;cursor:wait}
.book-share-text-label{display:block;margin:20px 0 8px;font-size:.85rem;font-weight:600}
.book-share-dialog textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);font:inherit;font-size:.85rem;line-height:1.6;resize:vertical}
@media(max-width:1000px){.book-content-heading{grid-template-columns:1fr}.book-share{max-width:620px}}
@media(max-width:560px){.book-content-heading{gap:20px}.book-share{padding:16px}.book-share-dialog{padding:24px 18px}.book-share-dialog-actions .btn{width:100%}}

.book-share-button svg{display:block;width:17px;height:17px}