.ebook-library-shelf{display:flex;justify-content:center;align-items:center;gap:10px;margin:14px auto 4px;padding:10px 12px;max-width:420px;border:1px solid rgba(125,211,252,.42);border-radius:18px;background:linear-gradient(135deg,rgba(8,18,40,.9),rgba(20,34,63,.76));box-shadow:0 12px 30px rgba(0,0,0,.28)}
.ebook-library-shelf[hidden]{display:none}
.ebook-volume-arrow,.ebook-volume-open{border:0;cursor:pointer;font-family:inherit;font-weight:800}
.ebook-volume-arrow{width:68px;padding:9px 6px;border-radius:13px;background:rgba(255,255,255,.1);color:#e0f2fe;border:1px solid rgba(255,255,255,.16)}
.ebook-volume-open{min-width:120px;padding:11px 14px;border-radius:14px;color:#07111f;background:linear-gradient(135deg,#fde68a,#7dd3fc);box-shadow:0 5px 18px rgba(125,211,252,.26)}
.ebook-volume-open small{display:block;font-size:10px;opacity:.72;margin-top:2px}
.ebook-volume-arrow:disabled{opacity:.3;cursor:default}
#ebookShelfImagePoem{width:min(calc(100% - 24px),420px);box-sizing:border-box;flex-wrap:nowrap;gap:6px;padding:7px 8px}
#ebookShelfImagePoem .ebook-volume-arrow{flex:0 0 64px;width:64px;padding:8px 5px;white-space:nowrap}
#ebookShelfImagePoem .ebook-volume-open{flex:1 1 auto;min-width:0;padding:9px 8px;white-space:nowrap}
.ebook-library-modal{display:none;position:fixed;inset:0;z-index:12000;background:rgba(2,6,23,.94);backdrop-filter:blur(8px);padding:10px}
.ebook-library-modal.open{display:flex;flex-direction:column}
.ebook-library-head{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1180px;width:100%;margin:0 auto 8px;color:#fff}
.ebook-library-title strong{display:block;font-size:17px}.ebook-library-title span{font-size:12px;color:#bae6fd}
.ebook-library-close{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff;font-size:26px;cursor:pointer}
.ebook-library-stage{position:relative;flex:1;min-height:0;overflow:hidden;touch-action:none;display:flex;align-items:center;justify-content:center}
.ebook-library-pair{display:flex;transform-origin:center;will-change:transform;user-select:none}
.ebook-library-page{position:relative;flex:0 0 auto;overflow:hidden;background:#fff;color:#172033;box-shadow:0 12px 35px rgba(0,0,0,.32)}
.ebook-library-page.comic{width:270px;height:480px}.ebook-library-page.poem{width:390px;height:390px}
.ebook-library-page>img{width:100%;height:100%;object-fit:contain;background:#fff;pointer-events:none}
.ebook-library-text{height:100%;overflow-y:auto;padding:9% 9% 12%;box-sizing:border-box;text-align:center;touch-action:none;overscroll-behavior:contain}
.ebook-library-text h3{margin:0 0 8%;font-size:clamp(14px,2.3vw,22px);line-height:1.45}
.ebook-library-text .easy{font-size:clamp(11px,1.75vw,16px);line-height:1.6;margin-bottom:8%}
.ebook-library-topic{color:#b7791f;font-weight:800;margin:0 0 7%;font-size:clamp(10px,1.55vw,14px)}
.ebook-library-story{text-align:left;font-size:clamp(10px,1.4vw,13px);line-height:1.7;white-space:pre-line}
.ebook-library-poem{display:flex;flex-direction:column}.ebook-library-poem .poem-scroll{display:flex;flex-direction:column;justify-content:safe center;overflow-y:auto;overscroll-behavior:contain;touch-action:none}
.ebook-library-poem-content{width:100%;margin:0;text-align:center;flex:0 0 auto}
.ebook-library-poem .ebook-library-poem-content h3{margin:0 0 7%;line-height:1.4}
.ebook-library-poem .poem{font-size:clamp(10px,1.65vw,16px);line-height:1.65}
.ebook-page-number{position:absolute;bottom:3%;left:0;right:0;text-align:center;font-size:10px;color:#64748b}
.ebook-library-toc{padding:7% 6%;box-sizing:border-box}
.ebook-library-toc h3{text-align:center;margin:0 0 6%;font-size:18px}
.ebook-library-toc-list{display:grid;gap:5px}
.ebook-library-toc-item{display:grid;grid-template-columns:28px 34px 1fr;align-items:center;gap:7px;font-size:10px;min-width:0}
.ebook-library-toc-item img{width:34px;height:34px;object-fit:cover;border-radius:5px}.ebook-library-toc-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ebook-library-page.comic.ebook-library-toc{padding:4% 5%}
.ebook-library-page.comic.ebook-library-toc h3{margin-bottom:3%;font-size:15px}
.ebook-library-page.comic .ebook-library-toc-list{gap:2px}
.ebook-library-page.comic .ebook-library-toc-item{grid-template-columns:20px 21px 1fr;gap:4px;font-size:8px;line-height:1}
.ebook-library-page.comic .ebook-library-toc-item img{width:21px;height:21px;border-radius:3px}
.ebook-library-page.poem.ebook-library-toc{padding:4% 5%}
.ebook-library-page.poem.ebook-library-toc h3{margin-bottom:3%;font-size:15px}
.ebook-library-page.poem .ebook-library-toc-list{gap:2px}
.ebook-library-page.poem .ebook-library-toc-item{grid-template-columns:20px 19px 1fr;gap:4px;font-size:8px;line-height:1}
.ebook-library-page.poem .ebook-library-toc-item img{width:19px;height:19px;border-radius:3px}
.ebook-library-controls{display:flex;justify-content:center;align-items:center;gap:10px;padding:8px}
.ebook-library-controls button{border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);color:#fff;border-radius:12px;padding:9px 18px;font-weight:800;cursor:pointer}
.ebook-library-controls button:disabled{opacity:.3}.ebook-library-counter{min-width:150px;text-align:center;color:#bae6fd;font-size:12px}
.ebook-library-lock{margin:auto;max-width:420px;padding:28px;text-align:center;color:#fff}.ebook-library-lock strong{display:block;font-size:20px;margin-bottom:12px}.ebook-library-lock button{margin-top:16px;border:0;border-radius:14px;padding:12px 20px;background:#fde68a;color:#111827;font-weight:900}
@media(max-width:720px){.ebook-library-modal{padding:6px}.ebook-library-page.comic{width:46vw;height:81.8vw}.ebook-library-page.poem{width:46vw;height:46vw}.ebook-library-head{padding:0 4px}.ebook-library-controls{padding-bottom:max(8px,env(safe-area-inset-bottom))}.ebook-library-controls button{padding:8px 14px}.ebook-library-counter{min-width:108px}.ebook-library-toc-item{grid-template-columns:20px 26px 1fr;font-size:8px;gap:4px}.ebook-library-toc-item img{width:26px;height:26px}.ebook-library-toc h3{font-size:13px}.ebook-library-page.comic.ebook-library-toc{padding:3%}.ebook-library-page.comic.ebook-library-toc h3{font-size:10px;margin-bottom:2%}.ebook-library-page.comic .ebook-library-toc-list{gap:1px}.ebook-library-page.comic .ebook-library-toc-item{grid-template-columns:13px 13px 1fr;gap:2px;font-size:5.5px}.ebook-library-page.comic .ebook-library-toc-item img{width:13px;height:13px}.ebook-library-page.poem.ebook-library-toc{padding:3%}.ebook-library-page.poem.ebook-library-toc h3{font-size:9px;margin-bottom:2%}.ebook-library-page.poem .ebook-library-toc-list{gap:1px}.ebook-library-page.poem .ebook-library-toc-item{grid-template-columns:12px 10px 1fr;gap:2px;font-size:5px}.ebook-library-page.poem .ebook-library-toc-item img{width:10px;height:10px}.ebook-library-poem .ebook-library-text{padding:7% 7% 10%}.ebook-library-poem .ebook-library-poem-content h3{font-size:8px;margin-bottom:5%}.ebook-library-poem .poem{font-size:6px;line-height:1.5}.ebook-library-story{font-size:8.5px;line-height:1.55}}