:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg-color:#fff;--bg-main:#e1f0ff;--primary-color:#004369;--text-main:#000;--text-muted:#666;--border-color:#f2f2f2;--sidebar-width:200px;font-family:Outfit,Inter,system-ui,sans-serif;font-weight:400;line-height:1.6}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);overflow-x:hidden}.app-layout{flex-direction:row;min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--border-color);z-index:100;background:#fff;flex-direction:column;height:100vh;display:flex;position:fixed;top:0;left:0}.sidebar-logo{width:100%}.sidebar-logo img{width:100%;height:auto;display:block}.sidebar-nav{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.nav-item{color:var(--text-main);letter-spacing:1px;text-transform:uppercase;font-size:.85rem;font-weight:800;text-decoration:none}.main-content{margin-left:var(--sidebar-width);background-color:var(--bg-main);flex:1;min-height:100vh;padding:4rem}@media (width<=1024px){.app-layout{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border-color);width:100%;height:auto;position:relative}.sidebar-logo{width:100px;margin:0}.sidebar-nav{border-top:1px solid var(--border-color);flex-direction:row;align-items:center;gap:2rem;padding:1rem 1.5rem;overflow-x:auto}.main-content{margin-left:0;padding:2rem 1.5rem}}.product-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2.5rem;display:grid}@media (width<=480px){.product-grid{grid-template-columns:1fr}}.image-container{aspect-ratio:1;background:#fff;border:1px solid #eee;justify-content:center;align-items:center;width:100%;padding:1rem;display:flex;overflow:hidden}.image-container img{object-fit:contain;max-width:100%;max-height:100%}.btn-cta{color:#fff;text-transform:uppercase;letter-spacing:1px;cursor:pointer;background-color:#000;border:none;justify-content:center;align-items:center;gap:12px;padding:1rem 2rem;font-size:.85rem;font-weight:800;text-decoration:none;transition:all .2s;display:inline-flex}.btn-cta:hover{background-color:var(--primary-color);gap:16px}.navbar{background:var(--bg-color);border-bottom:3px solid var(--border-color);z-index:1000;justify-content:space-between;align-items:center;height:70px;padding:0 2rem;display:flex;position:sticky;top:0}.hero{background:var(--surface-color);border-bottom:2px solid var(--border-color);text-align:center;padding:6rem 0}.hero h1{margin-bottom:1rem;font-size:4.5rem}.hero p{max-width:700px;color:var(--text-muted);margin:0 auto 2.5rem;font-size:1.4rem}.book-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:3rem;margin-top:4rem;display:grid}.book-cover{aspect-ratio:3/4;background:#eee;border:1px solid #ddd;justify-content:center;align-items:center;width:100%;margin-bottom:1.5rem;display:flex;position:relative;overflow:hidden}.book-price{background:var(--accent-color);border:2px solid var(--border-color);padding:.2rem .8rem;font-size:1.5rem;font-weight:900;display:inline-block}.nav-link{color:var(--text-main);text-transform:uppercase;font-size:.9rem;font-weight:800;text-decoration:none}.nav-link:hover{color:var(--primary-color)}.badge{background:var(--primary-color);color:#fff;text-transform:uppercase;margin-bottom:.5rem;padding:.2rem .5rem;font-size:.7rem;font-weight:900;display:inline-block}