/* Galerie intérieure des livres - composant progressif sans dépendance externe */
.book-preview{background:linear-gradient(180deg,#07111f 0%,#0b1d31 100%);color:#f7f3ea;padding:46px 20px;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.book-preview__inner{width:min(1120px,100%);margin:0 auto}.book-preview__eyebrow{text-transform:uppercase;letter-spacing:.16em;font-weight:800;color:#e7b85c;margin:0 0 8px}.book-preview h2{font-size:clamp(1.75rem,3vw,2.55rem);margin:0 0 10px}.book-preview__intro{max-width:850px;font-size:1.05rem;line-height:1.7;color:#d6e0ea;margin:0 0 24px}
.book-preview__stage{position:relative;display:block;outline:none}.book-preview.is-enhanced .book-preview__stage{display:grid;grid-template-columns:58px minmax(0,1fr) 58px;align-items:center;gap:12px}.book-preview__stage:focus-visible{outline:3px solid #e7b85c;outline-offset:8px}.book-preview__slides{min-width:0}.book-preview__figure{margin:0 0 24px}.book-preview.is-enhanced .book-preview__figure{display:none}.book-preview.is-enhanced .book-preview__figure.is-active{display:block}.book-preview__open{display:block;width:100%;border:0;padding:0;background:transparent;cursor:zoom-in}.book-preview__open img{display:block;width:100%;height:auto;max-height:720px;object-fit:contain;margin:0 auto;border-radius:14px;box-shadow:0 20px 55px rgba(0,0,0,.38);background:#f5f5f5}.book-preview figcaption{margin:12px auto 0;max-width:900px;color:#d6e0ea;line-height:1.55;text-align:center}.book-preview__nav{display:none;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.32);background:rgba(5,14,26,.82);color:#fff;font-size:2.4rem;line-height:1;cursor:pointer;align-items:center;justify-content:center}.book-preview.is-enhanced .book-preview__nav{display:flex}.book-preview__nav:hover,.book-preview__nav:focus-visible{background:#e7b85c;color:#07111f;outline:3px solid rgba(231,184,92,.35)}.book-preview__counter{display:none;text-align:center;font-weight:800;color:#f3cf86;margin:0 0 14px}.book-preview__thumbs{display:none;gap:10px;overflow-x:auto;padding:7px 4px 14px;scrollbar-width:thin}.book-preview.is-enhanced .book-preview__counter{display:block}.book-preview.is-enhanced .book-preview__thumbs{display:flex}.book-preview__thumb{flex:0 0 118px;border:2px solid transparent;border-radius:9px;padding:3px;background:rgba(255,255,255,.08);cursor:pointer}.book-preview__thumb img{display:block;width:100%;height:auto;border-radius:5px}.book-preview__thumb.is-active,.book-preview__thumb[aria-current=true]{border-color:#e7b85c;background:rgba(231,184,92,.16)}.book-preview__thumb:focus-visible{outline:3px solid #fff;outline-offset:2px}.book-preview__note{font-size:.92rem;line-height:1.55;color:#aebdca;margin:8px 0 0}.preview-badge{display:inline-flex;align-items:center;gap:6px;margin-top:9px;padding:5px 9px;border-radius:999px;background:#17314d;color:#f2ce82;font-size:.78rem;font-weight:800}.preview-badge::before{content:'◫'}
.book-preview-dialog{border:0;padding:0;width:min(96vw,1500px);max-width:none;height:min(96vh,1100px);background:#050a10;color:#fff;border-radius:16px;overflow:hidden}.book-preview-dialog::backdrop{background:rgba(0,0,0,.88)}.book-preview-dialog__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:#0c1a29}.book-preview-dialog__tools{display:flex;gap:8px;flex-wrap:wrap}.book-preview-dialog button{border:1px solid rgba(255,255,255,.3);background:#16283a;color:#fff;border-radius:8px;padding:9px 12px;font-weight:700;cursor:pointer}.book-preview-dialog button:hover,.book-preview-dialog button:focus-visible{background:#e7b85c;color:#07111f;outline:none}.book-preview-dialog__viewport{height:calc(100% - 60px);overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:18px}.book-preview-dialog__image{max-width:none;width:min(100%,1280px);height:auto;transform-origin:top center;transition:transform .15s ease}.book-preview-dialog__caption{font-size:.92rem;color:#d7e0e8;max-width:720px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-preview-dialog[open]{display:block}
@media(max-width:700px){.book-preview{padding:34px 10px}.book-preview__stage{grid-template-columns:42px minmax(0,1fr) 42px;gap:4px}.book-preview__nav{width:40px;height:40px;font-size:2rem}.book-preview__open img{max-height:none;border-radius:8px}.book-preview__thumb{flex-basis:92px}.book-preview figcaption{text-align:left;font-size:.92rem}.book-preview-dialog{width:100vw;height:100vh;border-radius:0}.book-preview-dialog__caption{display:none}.book-preview-dialog__viewport{padding:8px}}
@media(prefers-reduced-motion:reduce){.book-preview-dialog__image{transition:none}}