.PdfFirstPageCover-module__rnTwxG__cover{z-index:1;background:#f8fafc;place-items:center;display:grid;position:absolute;inset:0;overflow:hidden}:is(.PdfFirstPageCover-module__rnTwxG__cover .react-pdf__Document,.PdfFirstPageCover-module__rnTwxG__cover .react-pdf__Page){place-items:center;width:100%;height:100%;display:grid;overflow:hidden}.PdfFirstPageCover-module__rnTwxG__cover canvas{object-fit:cover;width:100%!important;height:100%!important}.PdfFirstPageCover-module__rnTwxG__placeholder{color:#fff;text-align:center;background:linear-gradient(160deg, #ffffff2e, transparent 45%), var(--book-accent);justify-content:center;align-items:center;padding:1rem 1rem 3rem 1.25rem;font-size:.86rem;font-weight:900;line-height:1.25;display:flex;position:absolute;inset:0}
.TextbookClient-module___HIJRW__page{background:linear-gradient(#ffffffe6 0%,#f0f7f4e6 100%),radial-gradient(circle at 0 0,#ffc4002e,#0000 34rem);min-height:100vh;padding:clamp(2.5rem,5vw,4.5rem) clamp(1rem,4vw,2rem)}.TextbookClient-module___HIJRW__header{text-align:center;max-width:760px;margin:0 auto clamp(2.25rem,5vw,4rem)}.TextbookClient-module___HIJRW__headerIcon{color:#fff;background:var(--color-purple);border-radius:22px;place-items:center;width:72px;height:72px;margin:0 auto 1.5rem;display:grid}.TextbookClient-module___HIJRW__header h1{letter-spacing:-.02em;color:var(--color-purple);margin:0 0 .6rem;font-size:clamp(2.5rem,6vw,4.2rem);font-weight:900}.TextbookClient-module___HIJRW__header p{color:var(--text-muted);margin:0;font-size:clamp(1rem,2vw,1.2rem);font-weight:800}.TextbookClient-module___HIJRW__shelves{flex-direction:column;gap:clamp(2.4rem,5vw,4rem);width:min(100%,1180px);margin:0 auto;display:flex}.TextbookClient-module___HIJRW__emptyState{text-align:center;color:var(--text-muted);padding:2rem;font-size:1.1rem;font-weight:800}.TextbookClient-module___HIJRW__shelf{padding:0 clamp(.5rem,2vw,1.4rem) 3.5rem;position:relative}.TextbookClient-module___HIJRW__books{z-index:2;grid-template-columns:repeat(auto-fit,minmax(132px,154px));justify-content:center;align-items:end;gap:clamp(1rem,2vw,1.8rem);display:grid;position:relative}.TextbookClient-module___HIJRW__book{all:unset;box-sizing:border-box;cursor:pointer;background:var(--book-accent);transform-origin:bottom;border-radius:4px 10px 10px 4px;width:min(42vw,154px);min-width:0;height:clamp(182px,24vw,212px);transition:transform .22s,box-shadow .22s,filter .22s;display:block;position:relative;overflow:hidden;box-shadow:0 18px 26px #0f172a2e,inset 7px 0 #0000001a}.TextbookClient-module___HIJRW__book:hover,.TextbookClient-module___HIJRW__book:focus-visible{filter:saturate(1.04);transform:translateY(-14px)rotate(-1deg);box-shadow:0 28px 32px #0f172a42,inset 7px 0 #0000001f}.TextbookClient-module___HIJRW__book:focus-visible{outline-offset:5px;outline:4px solid #ffc40099}.TextbookClient-module___HIJRW__book:disabled{cursor:wait}.TextbookClient-module___HIJRW__book:disabled[data-loading=false]{cursor:not-allowed;filter:grayscale(.2)}.TextbookClient-module___HIJRW__bookSpine{z-index:3;background:linear-gradient(90deg,#ffffff38,#0000 48%),linear-gradient(90deg,#00000038,#0000);width:14px;position:absolute;inset:0 auto 0 0}.TextbookClient-module___HIJRW__bookCover{object-fit:cover}.TextbookClient-module___HIJRW__fallbackCover{color:#fff;text-align:center;background:linear-gradient(160deg, #ffffff2e, transparent 45%), var(--book-accent);justify-content:center;align-items:center;padding:1rem 1.1rem 3.4rem 1.4rem;font-size:.98rem;font-weight:900;line-height:1.25;display:flex;position:absolute;inset:0}.TextbookClient-module___HIJRW__bookTitle{z-index:4;color:#fff;text-align:left;text-shadow:0 1px 2px #0000008c;-webkit-line-clamp:2;background:linear-gradient(#0000,#000000b8);-webkit-box-orient:vertical;min-height:3.2rem;padding:.52rem .62rem .58rem;font-size:.82rem;font-weight:900;line-height:1.2;display:-webkit-box;position:absolute;bottom:0;left:14px;right:0;overflow:hidden}.TextbookClient-module___HIJRW__unavailable{z-index:5;color:#7f1d1d;background:#fee2e2;border-radius:999px;padding:.22rem .48rem;font-size:.72rem;font-weight:900;position:absolute;top:.6rem;right:.6rem}.TextbookClient-module___HIJRW__loadingOverlay{z-index:6;color:var(--color-purple);background:#ffffffd6;place-items:center;display:grid;position:absolute;inset:0}.TextbookClient-module___HIJRW__shelfBoard{z-index:1;background:linear-gradient(#ffffff29,#0000 52%),linear-gradient(90deg,#8b5a2b,#b87938 46%,#7a461f);border-radius:6px 6px 14px 14px;height:26px;position:absolute;bottom:1.55rem;left:0;right:0;box-shadow:0 11px 20px #56301247,inset 0 -5px 7px #0000002e}.TextbookClient-module___HIJRW__shelfShadow{background:radial-gradient(#0f172a38,#0000 68%);border-radius:50%;height:24px;position:absolute;bottom:0;left:6%;right:6%}@media (max-width:720px){.TextbookClient-module___HIJRW__page{padding-left:.75rem;padding-right:.75rem}.TextbookClient-module___HIJRW__shelves{gap:2.1rem}.TextbookClient-module___HIJRW__shelf{padding-left:clamp(.35rem,2vw,.75rem);padding-right:clamp(.35rem,2vw,.75rem)}.TextbookClient-module___HIJRW__books{grid-template-columns:repeat(2,minmax(0,154px));gap:clamp(.75rem,4vw,1.25rem)}.TextbookClient-module___HIJRW__book{aspect-ratio:154/212;width:100%;height:auto}}