:root{--book-brown:#6E4627;--book-orange:#ED9755;--book-cream:#F0C29E;--book-gray:#6E5948;--book-tan:#BA7743;--color-hero-start:#6E4627;--color-hero-end:#6E5948;--color-primary:#ED9755;--color-primary-dark:#BA7743;--color-secondary:#F0C29E;--color-brown-dark:#6E4627;--color-brown-medium:#6E5948;--nav-height:4rem;--nav-container-max-width:1280px;--nav-padding:1rem;--nav-z-index:50;--megamenu-z-index:51;--megamenu-max-width:1280px;--megamenu-padding:2rem;--megamenu-grid-cols:4;--megamenu-gap:2rem;--transition-speed:0.3s;--transition-easing:ease-in-out;--hover-transition:0.2s;--nav-shadow:0 2px 8px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.1);--megamenu-shadow:0 4px 16px rgba(0, 0, 0, 0.15), 0 8px 32px rgba(0, 0, 0, 0.15);--book-shadow:0 1px 3px rgba(0, 0, 0, 0.1);--book-hover-shadow:0 4px 6px rgba(0, 0, 0, 0.1);--font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;--logo-size:1.25rem;--nav-font-size:1rem;--category-title-size:1.125rem;--book-title-size:0.9rem;--book-author-size:0.7rem;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:0.75rem;--spacing-lg:1rem;--spacing-xl:1.5rem;--spacing-2xl:2rem;--border-radius-sm:0.25rem;--border-radius-md:0.375rem;--border-radius-lg:0.5rem;--border-radius-full:9999px;--book-image-width:3rem;--book-image-height:4rem;--mobile-book-width:2rem;--mobile-book-height:2.5rem;--mobile-max:767px;--tablet-min:768px;--desktop-min:1024px}@media(prefers-color-scheme:dark){:root{--book-brown:#8B6A47;--book-gray:#8B7968;--nav-shadow:0 2px 8px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.3);--megamenu-shadow:0 4px 16px rgba(0, 0, 0, 0.4), 0 8px 32px rgba(0, 0, 0, 0.4)}}@media(prefers-contrast:high){:root{--book-brown:#000000;--book-orange:#FF6600;--book-gray:#333333}}@media(prefers-reduced-motion:reduce){:root{--transition-speed:0.01ms;--hover-transition:0.01ms}}