.bookcase-section{position:relative;width:100%;padding:4rem 1.5rem;background:radial-gradient(circle at 50% 30%,rgba(56,189,248,.16) 0,transparent 70%),linear-gradient(180deg,#13223a,#182a45 55%,#13223a);color:var(--text-pure,#ffffff);box-sizing:border-box;overflow:hidden}[data-theme=light] .bookcase-section{background:radial-gradient(circle at 50% 30%,rgba(2,132,199,.08) 0,transparent 70%),#f8fafc;color:#0f172a}.bookcase-container{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:2.5rem}.bookcase-header{text-align:center;max-width:700px}.bookcase-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.35rem 1rem;border-radius:9999px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);color:#38bdf8;font-size:.85rem;font-weight:600;margin-bottom:.75rem}[data-theme=light] .bookcase-badge{background:rgba(2,132,199,.1);border-color:rgba(2,132,199,.25);color:#0284c7}.bookcase-title{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:800;margin:0 0 .5rem;color:#ffffff;letter-spacing:-.02em}[data-theme=light] .bookcase-title{color:#0f172a}.bookcase-subtitle{font-size:clamp(.95rem,1.4vw,1.05rem);color:#94a3b8;margin:0;line-height:1.6}[data-theme=light] .bookcase-subtitle{color:#475569}.bookshelf-stage{max-width:1100px;padding:4rem 1rem 2rem;flex-direction:column;align-items:center;perspective:1200px;perspective-origin:50% 40%}.bookshelf-stage,.shelf-row{position:relative;width:100%;display:flex}.shelf-row{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:4rem;z-index:5;padding-bottom:.5rem}.shelf-plank{position:relative;width:100%;height:22px;margin-top:-6px;background:linear-gradient(180deg,#1e293b,#0f172a);border-radius:4px;border:1px solid rgba(56,189,248,.25);box-shadow:0 14px 28px rgba(0,0,0,.6),0 2px 8px rgba(56,189,248,.2);transform:rotateX(25deg);transform-origin:top center;z-index:2}[data-theme=light] .shelf-plank{background:linear-gradient(180deg,#e2e8f0,#cbd5e1);border-color:rgba(2,132,199,.3);box-shadow:0 10px 22px rgba(0,0,0,.12),0 2px 6px rgba(2,132,199,.15)}.shelf-plank:before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(0,0,0,.3));transform:skewX(-45deg);transform-origin:bottom left}.book-3d-wrapper{position:relative;width:190px;height:260px;cursor:pointer;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.16,1,.3,1);transform:rotateY(26deg);perspective:1200px}.book-3d-wrapper:hover{transform:rotateY(-20deg) translateZ(35px) translateY(-14px)}.book-3d{position:absolute;inset:0;width:100%;height:100%;transform-style:preserve-3d;transform-origin:center center}.book-face{position:absolute;top:0;left:0;box-sizing:border-box;backface-visibility:hidden;-webkit-backface-visibility:hidden}.book-front{width:190px;height:260px;transform:translateZ(22px);border-radius:0 6px 6px 0;overflow:hidden;background:#0b1329;box-shadow:inset 4px 0 10px rgba(0,0,0,.45),inset 0 0 4px rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.15)}.book-spine-strip{left:0;width:20px;background:linear-gradient(90deg,rgba(0,0,0,.6),rgba(255,255,255,.15) 35%,rgba(0,0,0,.3) 80%,rgba(0,0,0,.7));border-right:1px solid rgba(0,0,0,.5)}.book-spine-hinge,.book-spine-strip{position:absolute;top:0;bottom:0;pointer-events:none;z-index:6}.book-spine-hinge{left:20px;width:4px;background:linear-gradient(90deg,rgba(0,0,0,.8),rgba(0,0,0,.45) 30%,rgba(255,255,255,.45) 70%,rgba(255,255,255,.05));box-shadow:1px 0 3px rgba(255,255,255,.2)}.book-cover-img-wrapper{position:relative;width:100%;height:100%;overflow:hidden}.book-cover-canvas,.book-cover-img{width:100%;height:100%;object-fit:cover;display:block}.book-cover-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.15),rgba(15,23,42,.45) 50%,rgba(15,23,42,.95));display:flex;flex-direction:column;justify-content:flex-end;padding:1.2rem 1rem 1.2rem 1.8rem;box-sizing:border-box}.book-cover-tag{display:inline-block;font-size:.68rem;font-weight:700;color:#38bdf8;background:rgba(14,165,233,.2);border:1px solid rgba(56,189,248,.35);padding:.15rem .55rem;border-radius:9999px;align-self:flex-start;margin-bottom:.45rem}.book-cover-title{font-size:.88rem;font-weight:800;line-height:1.35;color:#ffffff;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 4px rgba(0,0,0,.9)}.book-cover-fallback{width:100%;height:100%;background:linear-gradient(135deg,#1e3a8a,#0369a1 50%,#0284c7);display:flex;flex-direction:column;justify-content:space-between;padding:1.25rem 1.25rem 1.25rem 1.8rem;color:white;box-sizing:border-box}.book-cover-fallback .tag{font-size:.72rem;font-weight:700;letter-spacing:.04em;background:rgba(255,255,255,.2);padding:.2rem .6rem;border-radius:9999px;align-self:flex-start}.book-cover-fallback .title{font-size:1.15rem;font-weight:800;line-height:1.35;margin:0}.book-back{width:190px;height:260px;transform:rotateY(180deg) translateZ(22px);border-radius:6px 0 0 6px;background:#0b1329;border:1px solid rgba(255,255,255,.1);box-shadow:inset -4px 0 10px rgba(0,0,0,.5)}.book-spine{width:44px;height:260px;left:calc(50% - 22px);transform:rotateY(-90deg) translateZ(95px);background:linear-gradient(90deg,#090e1a,#1e3a8a 30%,#2563eb 55%,#1e40af 80%,#090e1a);border:1px solid rgba(255,255,255,.2);box-shadow:inset 0 0 12px rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;color:#ffffff;padding:.5rem 0;overflow:hidden}.book-spine-text{writing-mode:vertical-rl;text-orientation:mixed;font-size:12px;font-weight:700;letter-spacing:.06em;white-space:nowrap;text-shadow:0 1px 3px rgba(0,0,0,.7);max-height:240px;overflow:hidden;text-overflow:ellipsis}.book-right{width:44px;height:260px;left:calc(50% - 22px);transform:rotateY(90deg) translateZ(95px);background:repeating-linear-gradient(180deg,#f8fafc 0,#f8fafc 2px,#e2e8f0 3px,#cbd5e1 4px);box-shadow:inset 0 0 6px rgba(0,0,0,.25)}.book-top{transform:rotateX(90deg) translateZ(130px);box-shadow:inset 0 0 6px rgba(0,0,0,.25)}.book-bottom,.book-top{width:190px;height:44px;top:calc(50% - 22px);left:0;background:repeating-linear-gradient(90deg,#f8fafc 0,#f8fafc 2px,#e2e8f0 3px,#cbd5e1 4px)}.book-bottom{transform:rotateX(-90deg) translateZ(130px);box-shadow:inset 0 0 8px rgba(0,0,0,.35)}.book-3d-info{position:absolute;bottom:-46px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.2rem;width:220px;text-align:center;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;z-index:20}.book-3d-wrapper:hover .book-3d-info{opacity:1;transform:translateX(-50%) translateY(4px)}.book-3d-title{font-size:.88rem;font-weight:700;color:#ffffff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;text-shadow:0 2px 6px rgba(0,0,0,.8)}[data-theme=light] .book-3d-title{color:#0f172a;text-shadow:none}.book-3d-action-pill{font-size:.72rem;font-weight:600;background:rgba(14,165,233,.9);color:white;padding:.2rem .65rem;border-radius:9999px;box-shadow:0 4px 12px rgba(14,165,233,.35)}.flipbook-overlay{position:fixed;inset:0;z-index:100000;background:rgba(3,7,18,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center;padding:1rem;box-sizing:border-box;animation:fbFadeIn .3s cubic-bezier(.16,1,.3,1)}@keyframes fbFadeIn{0%{opacity:0}to{opacity:1}}.flipbook-modal{position:relative;width:100%;max-width:1300px;height:94vh;max-height:900px;background:#090e1a;border:1px solid rgba(56,189,248,.25);border-radius:20px;box-shadow:0 25px 70px rgba(0,0,0,.7),0 0 40px rgba(14,165,233,.15);display:flex;flex-direction:column;overflow:hidden;box-sizing:border-box}[data-theme=light] .flipbook-modal{background:#ffffff;border-color:rgba(2,132,199,.25);box-shadow:0 20px 60px rgba(0,0,0,.15),0 0 30px rgba(2,132,199,.08)}.flipbook-header{height:60px;padding:0 1.25rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;background:rgba(15,23,42,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);flex-shrink:0;z-index:10}[data-theme=light] .flipbook-header{border-bottom-color:rgba(0,0,0,.08);background:rgba(248,250,252,.85)}.flipbook-header-info{display:flex;align-items:center;gap:.75rem}.flipbook-badge-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#0284c7,#2563eb);display:flex;align-items:center;justify-content:center;color:white}.flipbook-title-group h3{font-size:1rem;font-weight:700;margin:0;color:#ffffff}[data-theme=light] .flipbook-title-group h3{color:#0f172a}.flipbook-title-group span{font-size:.78rem;color:#94a3b8}.flipbook-header-actions{display:flex;align-items:center;gap:.6rem}.fb-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;height:36px;padding:0 .85rem;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:#ffffff;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease;text-decoration:none}.fb-btn:hover{background:rgba(14,165,233,.2);border-color:rgba(56,189,248,.5);color:#38bdf8}[data-theme=light] .fb-btn{background:rgba(0,0,0,.05);border-color:rgba(0,0,0,.1);color:#334155}[data-theme=light] .fb-btn:hover{background:rgba(2,132,199,.12);border-color:rgba(2,132,199,.35);color:#0284c7}.fb-btn-close{width:36px;padding:0}.flipbook-body{position:relative;flex:1 1;width:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#111827 0,#030712 100%);overflow:hidden;padding:1.5rem;box-sizing:border-box}[data-theme=light] .flipbook-body{background:radial-gradient(circle at center,#f1f5f9 0,#e2e8f0 100%)}.flipbook-stage-wrapper{width:100%;height:100%;display:flex;align-items:center;justify-content:center;-webkit-touch-callout:none}.flipbook-stage-wrapper,.st-page-flip-container{position:relative;user-select:none;-webkit-user-select:none;direction:ltr!important}.st-page-flip-container{box-shadow:none!important;background:transparent!important;margin:auto;transition:transform .6s cubic-bezier(.25,1,.5,1)}.page{padding:0;background-color:#ffffff;border:1px solid rgba(226,232,240,.8);box-shadow:0 16px 40px rgba(0,0,0,.45);overflow:hidden;box-sizing:border-box;user-select:none;-webkit-user-select:none;direction:ltr!important;border-radius:2px}.page canvas{width:100%!important;height:100%!important;display:block}.page-loading-slot{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;background:#f8fafc;color:#64748b;gap:.5rem;font-size:.88rem}.page-spinner{width:24px;height:24px;border:2px solid rgba(14,165,233,.2);border-top-color:#0ea5e9;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.flipbook-loading-cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;color:#ffffff;z-index:50;background:rgba(9,14,26,.9)}[data-theme=light] .flipbook-loading-cover{background:rgba(248,250,252,.9);color:#0f172a}.flipbook-loading-cover .spinner-lg{width:44px;height:44px;border:3px solid rgba(56,189,248,.2);border-top-color:#38bdf8;border-radius:50%;animation:spin .8s linear infinite}.flipbook-cover-wait{position:relative;display:flex;flex-direction:column;align-items:center;gap:.75rem;max-height:100%}.flipbook-cover-wait .flipbook-cover-img{max-height:min(72vh,640px);max-width:min(86vw,460px);border-radius:10px;box-shadow:0 18px 48px rgba(0,0,0,.55);object-fit:contain}.flipbook-cover-wait .flipbook-cover-progress{display:flex;align-items:center;gap:.6rem;font-size:.85rem;opacity:.85;background:rgba(15,23,42,.72);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:.35rem .9rem}.flipbook-cover-wait .spinner-sm{width:14px;height:14px;border:2px solid rgba(56,189,248,.25);border-top-color:#38bdf8;border-radius:50%;animation:spin .8s linear infinite}.flipbook-fallback{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;gap:12px;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:58px 8px 24px;box-sizing:border-box}.flipbook-fallback[data-mode=embed]{overflow:hidden;padding-bottom:0}.flipbook-fallback-note{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 12px;flex-shrink:0;width:100%;max-width:860px;box-sizing:border-box;padding:10px 14px;border-radius:12px;background:rgba(15,23,42,.72);border:1px solid rgba(255,255,255,.12);color:#e2e8f0;font-size:.85rem;line-height:1.5;text-align:center}[data-theme=light] .flipbook-fallback-note{background:rgba(255,255,255,.9);border-color:rgba(15,23,42,.12);color:#0f172a}.flipbook-fallback-reason{flex-basis:100%;max-width:min(90vw,560px);font-size:.72rem;opacity:.65;text-align:center;overflow-wrap:anywhere}.flipbook-open-direct{display:inline-block;padding:10px 20px;border-radius:12px;background:#0284c7;color:#fff;text-decoration:none;font-weight:700}.flipbook-loading-cover .flipbook-open-direct{margin-top:4px;padding:12px 24px}.flipbook-loading-cover .flipbook-error-cover{max-height:min(48vh,420px);max-width:min(70vw,300px);border-radius:10px;box-shadow:0 18px 48px rgba(0,0,0,.55);object-fit:contain}.flipbook-loading-cover .flipbook-error-text{max-width:min(90vw,560px);padding:0 12px;text-align:center;line-height:1.6}.flipbook-fallback-page{position:relative;flex-shrink:0;width:min(100%,860px);aspect-ratio:210/297;background:#ffffff;box-shadow:0 10px 30px rgba(0,0,0,.35);border-radius:2px;overflow:hidden}.flipbook-fallback-page canvas{display:block;width:100%;height:100%}.flipbook-fallback-page:empty:before{content:"";position:absolute;top:calc(50% - 26px);left:calc(50% - 12px);width:24px;height:24px;border:2px solid rgba(14,165,233,.2);border-top-color:#0ea5e9;border-radius:50%;animation:spin .8s linear infinite}.flipbook-fallback-page:empty:after{content:attr(data-label);position:absolute;inset:calc(50% + 8px) 0 auto;text-align:center;color:#64748b;font-size:.88rem}.flipbook-fallback-frame{flex:1 1;width:100%;min-height:0;border:0;background:#ffffff}.flipbook-footer{height:64px;padding:0 1.5rem;border-top:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;background:rgba(15,23,42,.65);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);flex-shrink:0;z-index:10}[data-theme=light] .flipbook-footer{border-top-color:rgba(0,0,0,.08);background:rgba(248,250,252,.85)}.fb-nav-group{display:flex;align-items:center;gap:.75rem}.fb-nav-btn{display:inline-flex;align-items:center;gap:.5rem;height:38px;padding:0 1.1rem;border-radius:9999px;background:rgba(14,165,233,.12);border:1px solid rgba(56,189,248,.35);color:#38bdf8;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.fb-nav-btn:hover:not(:disabled){background:rgba(14,165,233,.25);border-color:#38bdf8;color:#ffffff;transform:translateY(-1px)}.fb-nav-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}[data-theme=light] .fb-nav-btn{background:rgba(2,132,199,.1);border-color:rgba(2,132,199,.3);color:#0284c7}.fb-page-counter{font-size:.9rem;font-weight:700;color:#ffffff;padding:.3rem .85rem;background:rgba(255,255,255,.06);border-radius:9999px;border:1px solid rgba(255,255,255,.1)}[data-theme=light] .fb-page-counter{color:#0f172a;background:rgba(0,0,0,.04);border-color:rgba(0,0,0,.08)}.fb-hint-text{font-size:.8rem;color:#94a3b8;display:flex;align-items:center;gap:.35rem}@media (max-width:768px){.fb-hint-text{display:none}.shelf-row{gap:2.5rem}.book-3d-wrapper,.book-front{width:150px;height:210px}.book-front{transform:translateZ(18px)}.book-back{width:150px;height:210px;transform:rotateY(180deg) translateZ(18px)}.book-spine-strip{width:16px}.book-spine-hinge{left:16px;width:3px}.book-spine{transform:rotateY(-90deg) translateZ(75px)}.book-right,.book-spine{width:36px;height:210px;left:calc(50% - 18px)}.book-right{transform:rotateY(90deg) translateZ(75px)}.book-top{transform:rotateX(90deg) translateZ(105px)}.book-bottom,.book-top{width:150px;height:36px;top:calc(50% - 18px);left:0}.book-bottom{transform:rotateX(-90deg) translateZ(105px)}.flipbook-modal{height:98vh;border-radius:12px}}.st-page-flip-container.is-rtl-book .page>*{transform:scaleX(-1)}@media (max-width:768px){.shelf-plank{display:none}.flipbook-header{height:auto;min-height:60px;padding:.6rem .9rem;gap:.6rem}.flipbook-header-info{min-width:0;flex:1 1}.flipbook-badge-icon{flex-shrink:0}.flipbook-title-group{min-width:0}.flipbook-title-group h3{font-size:.95rem;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.flipbook-title-group span{display:none}.flipbook-header-actions{flex-shrink:0}}.library-page .bookcase-section{padding-top:calc(var(--header-h, 78px) + 4rem)}.fb-page-counter,.fb-page-counter span{white-space:nowrap}@media (max-width:480px){.fb-page-counter{flex-shrink:0;padding-inline:12px;font-size:.82rem}.fb-nav-btn{min-width:0;padding-inline:12px}}.flipbook-overlay.is-expanded{padding:0}.flipbook-overlay.is-expanded .flipbook-modal{width:100vw;max-width:none;height:100vh;height:100dvh;max-height:none;border:0;border-radius:0}@media (max-width:640px){.flipbook-overlay.is-expanded .flipbook-body{padding:4px 2px}.flipbook-overlay.is-expanded .flipbook-stage-wrapper{padding:0}.flipbook-overlay.is-expanded .flipbook-header{height:52px;padding:0 .75rem}.flipbook-overlay.is-expanded .fb-hint-text{display:none}}.flipbook-overlay.is-expanded .flipbook-modal{position:relative;background:#0b1120}[data-theme=light] .flipbook-overlay.is-expanded .flipbook-modal{background:#e2e8f0}.flipbook-overlay.is-expanded .flipbook-header{position:absolute;top:0;inset-inline:0;height:auto;padding:10px;border:0;background:transparent;z-index:60;pointer-events:none;justify-content:flex-end}.flipbook-overlay.is-expanded .flipbook-header-info{display:none}.flipbook-overlay.is-expanded .flipbook-header-actions{pointer-events:auto}.flipbook-overlay.is-expanded .fb-btn-close{width:40px;height:40px;border-radius:50%;background:rgba(15,23,42,.72);border:1px solid rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.flipbook-overlay.is-expanded .flipbook-body{flex:1 1;padding:0;background:transparent}.flipbook-overlay.is-expanded .flipbook-stage-wrapper{padding:0}.flipbook-overlay.is-expanded .page{border:0;border-radius:0}.flipbook-overlay.is-expanded .flipbook-footer{position:absolute;inset:0;height:auto;padding:0;border:0;background:transparent;pointer-events:none;z-index:55}.flipbook-overlay.is-expanded .fb-hint-text{display:none}.flipbook-overlay.is-expanded .fb-nav-group{display:contents}.flipbook-overlay.is-expanded .fb-nav-btn{position:absolute;pointer-events:auto;width:52px;height:52px;min-width:0;padding:0;justify-content:center;border-radius:50%;background:rgba(15,23,42,.72);border:1px solid rgba(255,255,255,.18);color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.35);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.flipbook-overlay.is-expanded .fb-nav-btn span{display:none}.flipbook-overlay.is-expanded .fb-nav-btn svg{width:26px;height:26px}.flipbook-overlay.is-expanded .fb-nav-btn:disabled{opacity:.25}.flipbook-overlay.is-expanded .fb-page-counter{position:absolute;pointer-events:none;left:50%;bottom:10px;transform:translateX(-50%);background:rgba(15,23,42,.72);border-color:rgba(255,255,255,.16);color:#fff;font-size:.8rem;padding:.25rem .75rem}@media (min-width:641px){.flipbook-overlay.is-expanded .fb-nav-btn-prev{right:16px;top:50%;transform:translateY(-50%)}.flipbook-overlay.is-expanded .fb-nav-btn-next{left:16px;top:50%;transform:translateY(-50%)}.flipbook-overlay.is-expanded .flipbook-body{padding:0 80px}}@media (max-width:640px){.flipbook-overlay.is-expanded .fb-nav-btn{width:46px;height:46px;bottom:calc(12px + env(safe-area-inset-bottom, 0px))}.flipbook-overlay.is-expanded .fb-nav-btn-prev{right:14px}.flipbook-overlay.is-expanded .fb-nav-btn-next{left:14px}.flipbook-overlay.is-expanded .fb-page-counter{bottom:calc(22px + env(safe-area-inset-bottom, 0px))}.flipbook-overlay.is-expanded .flipbook-body{padding:0 0 calc(70px + env(safe-area-inset-bottom, 0px))}}[data-theme=light] .flipbook-overlay.is-expanded .fb-btn-close,[data-theme=light] .flipbook-overlay.is-expanded .fb-nav-btn,[data-theme=light] .flipbook-overlay.is-expanded .fb-page-counter{background:rgba(255,255,255,.85);border-color:rgba(15,23,42,.12);color:#0f172a}.flipbook-overlay.is-expanded .flipbook-footer,.flipbook-overlay.is-expanded .flipbook-header,[data-theme=light] .flipbook-overlay.is-expanded .flipbook-footer,[data-theme=light] .flipbook-overlay.is-expanded .flipbook-header{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none}