.textbook_page__oFKXf{padding-bottom:var(--space-section)}.textbook_topGrid__zmSm7{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);grid-template-rows:auto auto;grid-gap:clamp(1.25rem,.75rem + 1.6vw,2.25rem);gap:clamp(1.25rem,.75rem + 1.6vw,2.25rem);margin-bottom:var(--space-6)}.textbook_heroLeft__S9hCd{grid-column:1;grid-row:1;display:flex;flex-direction:column;min-width:0}.textbook_infoSlot__yql3c{grid-column:2;grid-row:1/3;min-width:0}.textbook_pickBlock__jhD71{display:flex;flex-direction:column;gap:var(--space-3)}.textbook_pickLabel__KEvBP{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-3);font-family:var(--font-display);font-weight:700;font-size:var(--text-base);letter-spacing:.06em;color:var(--ink)}.textbook_pickBlock__jhD71 .pill-tab,.textbook_pickHint__UkPDM{display:inline-flex;align-items:center;min-height:2.75rem}.textbook_pickHint__UkPDM{padding:.2em .85em;border-radius:var(--radius-pill);border:1px dashed var(--pine-soft);background:var(--pine-wash);color:var(--pine-deep);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:500;letter-spacing:normal}.textbook_pickHint__UkPDM:hover{border-style:solid;background:var(--pine-soft)}.textbook_console__KQLGU{grid-column:1;grid-row:2;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;grid-column-gap:clamp(.75rem,.4rem + 1.2vw,1.5rem);column-gap:clamp(.75rem,.4rem + 1.2vw,1.5rem);grid-row-gap:var(--space-4);row-gap:var(--space-4);padding:clamp(1rem,.8rem + .8vw,1.5rem) clamp(1.25rem,1rem + 1.5vw,2.5rem)}.textbook_turnBtn__QwP0O{grid-row:1;white-space:nowrap}.textbook_turnPrev__00fjs{grid-column:1;justify-self:start}.textbook_turnNext__5TBKO{grid-column:3;justify-self:end}.textbook_turnBtn__QwP0O:disabled{opacity:.4;cursor:default}.textbook_stepper__r5R_7{grid-column:2;grid-row:1;justify-self:center;display:flex;align-items:center;gap:clamp(.5rem,.3rem + .8vw,1rem)}.textbook_stepBtn__NdihU{flex:none;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-pill);border:1.5px solid var(--line-strong);background:var(--paper-raised);color:var(--pine-deep);transition:transform var(--duration-fast) var(--ease-out-expo),border-color var(--duration-fast),background var(--duration-fast)}.textbook_stepBtn__NdihU:hover:not(:disabled){border-color:var(--pine);background:var(--pine-wash)}.textbook_stepBtn__NdihU:active:not(:disabled){transform:scale(.94)}.textbook_stepBtn__NdihU:disabled{opacity:.35;cursor:default}.textbook_pageNum__QQlZ1{min-width:2.1ch;text-align:center;font-family:var(--font-display);font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:clamp(2.5rem,2rem + 1.6vw,3.5rem);line-height:1;letter-spacing:.02em;color:var(--pine-deep)}.textbook_pageTotal__TSJ2Y{font-family:var(--font-display);font-weight:600;font-size:var(--text-base);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--ink-soft);white-space:nowrap}.textbook_sliderBlock__54gmb{grid-column:1/-1;grid-row:2;min-width:0;display:flex;flex-direction:column;gap:var(--space-2)}.textbook_slider__aLJdx{--range-accent:var(--pine);--range-pos:var(--fill,0%)}.textbook_unitTrack__8srUL{position:relative;height:4px;border-radius:var(--radius-pill);background:var(--line)}.textbook_unitSpan__tksJ2{position:absolute;top:0;bottom:0;border-radius:var(--radius-pill);background:var(--gold-bright)}.textbook_unitDot__HJV4G{position:absolute;top:50%;width:10px;height:10px;border-radius:50%;background:var(--gold-bright);border:2px solid var(--paper-raised);box-shadow:0 1px 3px rgb(120 90 20/.4);transform:translate(-50%,-50%)}.textbook_unitMeta__Uv5R9{font-size:var(--text-sm);font-weight:600;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.textbook_studio__KSZcJ{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr) minmax(0,1fr);grid-gap:var(--space-6);gap:var(--space-6);align-items:stretch;margin-top:var(--space-6)}.textbook_skeletonInfo__DC_aR{min-height:16rem}.textbook_skeletonBar__Z6pzY,.textbook_skeletonInfo__DC_aR{animation:textbook_skeletonPulse__weR1w 1.4s ease-in-out infinite alternate}.textbook_skeletonBar__Z6pzY{min-height:9rem}.textbook_skeletonGrid__pJ86H{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr) minmax(0,1fr);grid-gap:var(--space-6);gap:var(--space-6);margin-top:var(--space-6)}.textbook_skeletonPane__P7IYU{height:32rem;animation:textbook_skeletonPulse__weR1w 1.4s ease-in-out infinite alternate}@keyframes textbook_skeletonPulse__weR1w{0%{opacity:1}to{opacity:.55}}@media (max-width:1100px){.textbook_topGrid__zmSm7{grid-template-columns:minmax(0,1fr) minmax(0,20rem)}}@media (max-width:900px){.textbook_skeletonGrid__pJ86H,.textbook_studio__KSZcJ,.textbook_topGrid__zmSm7{grid-template-columns:minmax(0,1fr)}.textbook_topGrid__zmSm7{grid-template-rows:auto}.textbook_console__KQLGU,.textbook_heroLeft__S9hCd,.textbook_infoSlot__yql3c{grid-column:1;grid-row:auto}.textbook_pickBlock__jhD71{margin-bottom:var(--space-2)}}@media (max-width:560px){.textbook_console__KQLGU{grid-template-columns:1fr 1fr;column-gap:var(--space-3);row-gap:var(--space-3)}.textbook_stepper__r5R_7{grid-column:1/-1;grid-row:1}.textbook_turnBtn__QwP0O{grid-row:2;padding-inline:1em}.textbook_turnPrev__00fjs{grid-column:1;justify-self:stretch}.textbook_turnNext__5TBKO{grid-column:2;justify-self:stretch}.textbook_sliderBlock__54gmb{grid-row:3}.textbook_stepBtn__NdihU{width:40px;height:40px}.textbook_pageNum__QQlZ1{font-size:2.25rem}}