@media (max-width:768px){.container{padding:1rem}.main-header h1{font-size:2rem;letter-spacing:2px}.main-header p{font-size:0.9rem}.card-click-counter{top:10px;left:10px;padding:0.3rem 1rem;font-size:1rem}.watermark-top{top:10px;right:10px;font-size:2rem}.watermark-top span{font-size:0.8rem;padding:0.1rem 0.5rem}.depth-indicator{bottom:10px;left:10px;padding:0.3rem 1rem;font-size:0.9rem}.categorias-grid{grid-template-columns:1fr;gap:1rem}.categoria-card{padding:1.5rem}.categoria-titulo{font-size:1.5rem}.categoria-desc{font-size:0.9rem}.libros-section,.capitulos-section,.escritos-section{padding:1rem}.section-header{flex-direction:column;align-items:flex-start}.section-title{font-size:1.5rem}.section-title small{display:block;margin-left:0;margin-top:0.3rem}.libros-grid,.capitulos-grid,.escritos-grid{grid-template-columns:1fr}.libro-item,.capitulo-item{padding:1rem}.libro-icono,.capitulo-icono{font-size:2.5rem}.libro-nombre,.capitulo-nombre{font-size:1rem}.escrito-card{padding:1rem}.escrito-referencia{font-size:0.8rem}.escrito-contador{font-size:0.8rem;padding:0.2rem 0.8rem}.escrito-texto{font-size:0.9rem}.volver-btn{padding:0.6rem 1.5rem;font-size:0.9rem}.btn-primario,.btn-secundario{padding:0.8rem 1.5rem;font-size:1rem}.modal-content{padding:1.5rem;width:95%}.modal h2{font-size:1.5rem;margin-bottom:1rem}.close{top:10px;right:10px;font-size:1.5rem}.genero-grid{gap:1rem}.genero-btn{padding:1.5rem;font-size:3rem}.reacciones-grid{grid-template-columns:repeat(2,1fr);gap:0.8rem}.reaccion-opcion{padding:1rem;font-size:2rem}.explicacion-box{padding:1rem;font-size:0.95rem}.modal-venta-content{padding:1.5rem}.precio-tag{font-size:2rem}.main-footer{margin-top:2rem;padding:1rem 0}.footer-links a{display:block;margin:0.5rem 0}}@media (min-width:769px) and (max-width:1024px){.container{padding:1.5rem}.categorias-grid{grid-template-columns:repeat(2,1fr)}.libros-grid,.capitulos-grid,.escritos-grid{grid-template-columns:repeat(2,1fr)}.genero-grid{grid-template-columns:1fr}}@media (max-height:500px) and (orientation:landscape){.modal-content{max-height:90vh;overflow-y:auto}.genero-grid{grid-template-columns:1fr 1fr}.genero-btn{padding:1rem;font-size:2rem}.reacciones-grid{grid-template-columns:repeat(3,1fr)}}