*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--green-brand: #006241;--green-accent: #00754A;--green-house: #1E3932;--green-light: #d4e9e2;--canvas: #f2f0eb;--ceramic: #edebe9;--white: #ffffff;--text: rgba(0,0,0,.87);--text-soft: rgba(0,0,0,.58);--border: rgba(0,0,0,.1);--shadow-card: 0 0 .5px rgba(0,0,0,.14), 0 1px 1px rgba(0,0,0,.24);--shadow-nav: 0 1px 3px rgba(0,0,0,.1), 0 2px 2px rgba(0,0,0,.06);--shadow-lift: 0 0 .5px rgba(0,0,0,.14), 0 4px 8px rgba(0,0,0,.12);--r-btn: 50px;--r-card: 12px;--tracking: -.01em;--tracking-up: .1em;--font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-serif: "Lora", "Iowan Old Style", Georgia, serif;--nav-h: 68px}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--canvas);color:var(--text);line-height:1.5;letter-spacing:var(--tracking);-webkit-font-smoothing:antialiased}#root,.app{min-height:100vh}button{cursor:pointer;border:none;background:none;font-family:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.library-page{min-height:100vh;display:flex;flex-direction:column;background:var(--canvas)}.site-header{position:sticky;top:0;z-index:100;background:var(--white);box-shadow:var(--shadow-nav);height:var(--nav-h)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:1180px;margin:0 auto;padding:0 2.5rem;gap:2rem}.site-header__logo img{height:48px;width:auto}.site-header__tagline{font-size:.8125rem;color:var(--text-soft);letter-spacing:var(--tracking);flex:1}.btn-skool{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:600;letter-spacing:var(--tracking);padding:.5rem 1.25rem;border-radius:var(--r-btn);border:1px solid var(--green-accent);background:var(--green-accent);color:var(--white);transition:background .2s,border-color .2s;white-space:nowrap;flex-shrink:0}.btn-skool:hover{background:var(--green-brand);border-color:var(--green-brand)}.btn-skool:focus-visible{outline:2px solid var(--green-accent);outline-offset:3px}.library-body{flex:1;padding:.5rem 2.5rem;max-width:1180px;margin:0 auto;width:100%}.library-eyebrow{display:inline-block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:var(--tracking-up);color:var(--green-brand);margin-bottom:.75rem}.library-title{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:600;color:var(--green-brand);letter-spacing:var(--tracking);line-height:1.15;margin-bottom:.5rem}.library-subtitle{font-size:1rem;color:var(--text-soft);margin-bottom:2.5rem;line-height:1.65}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:1.5rem}.book-card{display:flex;flex-direction:column;background:var(--white);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;text-align:left;transition:box-shadow .18s ease,transform .18s ease}.book-card:hover,.book-card:focus-visible{box-shadow:var(--shadow-lift);transform:translateY(-3px);outline:none}.book-card:focus-visible{outline:2px solid var(--green-accent);outline-offset:2px}.book-card-cover{aspect-ratio:1 / 1;background:var(--canvas);overflow:hidden}.book-card-cover img{width:100%;height:100%;object-fit:cover;display:block}.book-card-info{padding:14px 16px 16px;display:flex;flex-direction:column;gap:4px}.book-card-title{font-size:14px;font-weight:600;color:var(--text);line-height:1.35;letter-spacing:var(--tracking)}.book-card-subtitle{font-size:12px;color:var(--text-soft);font-style:italic}.book-card-age{font-size:11px;font-weight:600;color:var(--green-accent);background:var(--green-light);display:inline-block;padding:3px 10px;border-radius:var(--r-btn);margin-top:6px;align-self:flex-start;letter-spacing:var(--tracking-up)}.site-footer{background:var(--green-house);padding:2rem 2.5rem;margin-top:auto}.site-footer__inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}.site-footer__legal{font-size:.8125rem;color:#ffffff4d;letter-spacing:var(--tracking)}.site-footer__links{display:flex;gap:1.5rem}.site-footer__links a{font-size:.8125rem;color:#ffffff73;letter-spacing:var(--tracking);transition:color .2s}.site-footer__links a:hover{color:#ffffffd9}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--text-soft);background:var(--canvas)}.viewer-container{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--white);overflow:hidden;z-index:100}.viewer-controls{position:absolute;top:0;left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;padding:10px 8px;background:transparent;transition:opacity .35s ease,transform .35s ease;z-index:30;pointer-events:none}.viewer-controls.hidden{opacity:0;pointer-events:none;transform:translateY(-8px)}.ctrl-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-btn);font-size:13px;font-weight:600;color:var(--text);letter-spacing:var(--tracking);transition:background .12s;background:#ffffffeb;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:0 1px 6px #00000026;pointer-events:auto}.ctrl-btn:hover{background:#fff}.ctrl-btn:focus-visible{outline:2px solid var(--green-accent);outline-offset:2px}.ctrl-left{display:flex;align-items:center;gap:8px}.viewer-stage{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--white);overflow:hidden;perspective:1800px;perspective-origin:50% 50%}.book-single-display{display:flex;align-items:center;justify-content:center;transform-style:preserve-3d;transition:transform .26s cubic-bezier(.4,0,.2,1),opacity .26s cubic-bezier(.4,0,.2,1)}.book-spread-display{display:flex;align-items:stretch;box-shadow:0 4px 32px #0000001a;border-radius:2px;position:relative;transform-style:preserve-3d;transition:transform .26s cubic-bezier(.4,0,.2,1),opacity .26s cubic-bezier(.4,0,.2,1)}.flip-exit-next{transform:rotateY(-90deg);opacity:.6}.flip-exit-prev{transform:rotateY(90deg);opacity:.6}.flip-enter-start-next{transform:rotateY(90deg);transition:none}.flip-enter-start-prev{transform:rotateY(-90deg);transition:none}.book-cover-hc{box-shadow:6px 0 #b89050,6px 6px #8a6830,10px 10px 24px #00000052;border-radius:2px}.page-flip-wrap{position:absolute;top:0}.page-flip-wrap--right{right:0}.page-flip-wrap--left{left:0}.page-flip-inner{position:relative;transform-style:preserve-3d}.page-flip-face{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden}.page-flip-back{transform:rotateY(180deg)}.flip-next{transform:rotateY(-180deg);transform-origin:left center;transition:transform .42s cubic-bezier(.4,0,.2,1)}.flip-prev{transform:rotateY(180deg);transform-origin:right center;transition:transform .42s cubic-bezier(.4,0,.2,1)}.book-page-img{display:block;object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;background:#fff}.book-single-display .book-page-img{box-shadow:0 6px 40px #00000024;border-radius:2px}.spread-page{flex-shrink:0;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center;position:relative}.spread-page:first-child{border-radius:2px 0 0 2px}.spread-page:last-child{border-radius:0 2px 2px 0}.book-spread-display>.spread-page:first-child:after,.book-spread-display>.spread-page:last-child:after{content:"";position:absolute;top:0;bottom:0;width:52px;pointer-events:none;z-index:1}.book-spread-display>.spread-page:first-child:after{right:0;background:linear-gradient(to right,transparent,rgba(0,0,0,.13))}.book-spread-display>.spread-page:last-child:after{left:0;background:linear-gradient(to left,transparent,rgba(0,0,0,.13))}.spread-blank{background:#fafafa}.spread-spine{width:8px;flex-shrink:0;position:relative;background:linear-gradient(to right,transparent 0%,rgba(0,0,0,.12) 20%,rgba(180,150,100,.3) 50%,rgba(0,0,0,.12) 80%,transparent 100%)}.spread-spine:before,.spread-spine:after{content:"";position:absolute;top:0;bottom:0;width:2px;background:#0000001a}.spread-spine:before{left:0}.spread-spine:after{right:0}.tap-zone{position:absolute;top:0;bottom:0;width:50%;z-index:20}.tap-prev{left:0;cursor:w-resize}.tap-next{right:0;cursor:e-resize}.viewer-container:fullscreen,.viewer-container:-webkit-full-screen{background:var(--white)}.viewer-container:fullscreen .viewer-controls,.viewer-container:-webkit-full-screen .viewer-controls{z-index:50}.viewer-container:fullscreen .viewer-stage,.viewer-container:-webkit-full-screen .viewer-stage{top:0;right:0;bottom:0;left:0}@media (max-width: 640px){.site-header__inner{padding:0 1rem}.site-header__tagline{display:none}.library-body{padding:1.5rem 1rem}.book-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.site-footer__inner{flex-direction:column;text-align:center;padding:0}}@media (max-width: 380px){.book-grid{grid-template-columns:repeat(2,1fr)}}