.hero-section{padding:60px 0 40px;text-align:center}.hero-title{color:var(--neo-text-dark);font-size:clamp(3rem,6vw,5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:20px;text-shadow:2px 2px 4px rgba(163,177,198,.3)}.hero-subtitle{color:var(--neo-text-light);font-size:1.25rem;line-height:1.6;margin:0 auto 40px;max-width:700px}.stats-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:40px 0}.stat-card{padding:24px;text-align:center}.stat-number{color:var(--neo-text-dark);font-size:2.5rem;font-weight:700;margin-bottom:8px}.stat-label{color:var(--neo-text-light);font-weight:500}.featured-section{margin:60px 0}.section-title{color:var(--neo-text-dark);font-size:2rem;font-weight:600;margin-bottom:40px;text-align:center}.book-grid-featured{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.book-card-featured{padding:20px;transition:var(--neo-transition)}.book-card-featured:hover{box-shadow:8px 8px 16px var(--neo-shadow-dark),-8px -8px 16px var(--neo-shadow-light);transform:translateY(-2px)}:root{--neo-bg:#e6e7ee;--neo-bg-dark:#d1d9e6;--neo-bg-light:#f8f9fc;--neo-shadow-dark:#a3b1c6;--neo-shadow-light:#fff;--neo-text:#4a5568;--neo-text-light:#718096;--neo-text-dark:#2d3748;--neo-accent:#667eea;--neo-accent-light:#764ba2;--neo-border-radius:20px;--neo-border-radius-small:12px;--neo-transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,var(--neo-bg) 0,var(--neo-bg-dark) 100%);color:var(--neo-text);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;min-height:100vh}.neo-container{background:var(--neo-bg);border-radius:var(--neo-border-radius);box-shadow:12px 12px 24px var(--neo-shadow-dark),-12px -12px 24px var(--neo-shadow-light);transition:var(--neo-transition)}.neo-inset{border-radius:var(--neo-border-radius-small);box-shadow:inset 8px 8px 16px var(--neo-shadow-dark),inset -8px -8px 16px var(--neo-shadow-light)}.neo-button,.neo-inset{background:var(--neo-bg)}.neo-button{align-items:center;border:none;border-radius:var(--neo-border-radius-small);box-shadow:6px 6px 12px var(--neo-shadow-dark),-6px -6px 12px var(--neo-shadow-light);color:var(--neo-text);cursor:pointer;display:inline-flex;font-weight:500;gap:8px;justify-content:center;padding:12px 24px;text-decoration:none;transition:var(--neo-transition)}.neo-button:hover{box-shadow:4px 4px 8px var(--neo-shadow-dark),-4px -4px 8px var(--neo-shadow-light);transform:translateY(-1px)}.neo-button.active,.neo-button:active{box-shadow:inset 4px 4px 8px var(--neo-shadow-dark),inset -4px -4px 8px var(--neo-shadow-light);transform:translateY(0)}.neo-input{background:transparent;border:none;color:var(--neo-text);font-size:16px;outline:none;padding:16px 20px;width:100%}.neo-input::placeholder{color:var(--neo-text-light)}.container{margin:0 auto;max-width:1200px;padding:0 20px}.header{padding:40px 0;text-align:center}.header h1{color:var(--neo-text-dark);font-size:clamp(2.5rem,5vw,4rem);font-weight:700;margin-bottom:16px;text-shadow:2px 2px 4px rgba(163,177,198,.3)}.header p{color:var(--neo-text-light);font-size:1.2rem;margin:0 auto;max-width:600px}.nav-tabs{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:40px}.nav-tab{font-size:16px;min-width:120px}.search-section{margin-bottom:40px}.search-container{margin-bottom:24px;padding:32px}.search-box{align-items:center;display:flex;gap:16px;padding:4px}.search-icon{color:var(--neo-text-light);margin-left:16px}.filters{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.filter-btn{font-size:14px;padding:8px 16px}.books-grid{display:grid;gap:32px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));margin-bottom:60px}.book-card{padding:24px;transition:var(--neo-transition)}.book-card:hover{box-shadow:8px 8px 16px var(--neo-shadow-dark),-8px -8px 16px var(--neo-shadow-light);transform:translateY(-2px)}.book-cover{margin-bottom:20px;position:relative}.book-cover-container{margin-bottom:16px;padding:16px}.book-cover img{aspect-ratio:3/4;border-radius:var(--neo-border-radius-small);margin:auto;max-height:100%;max-width:100%}.book-favorite{align-items:center;border-radius:50%;display:flex;font-size:18px;height:40px;justify-content:center;padding:0;position:absolute;right:20px;top:20px;width:40px}.book-favorite.active{color:#e53e3e}.book-info h3{color:var(--neo-text-dark);font-size:1.25rem;font-weight:600;line-height:1.4;margin-bottom:8px}.book-author{color:var(--neo-text-light);font-weight:500;margin-bottom:12px}.book-meta{align-items:center;display:flex;justify-content:space-between;margin-bottom:16px}.book-category{background:var(--neo-bg);border-radius:20px;box-shadow:inset 3px 3px 6px var(--neo-shadow-dark),inset -3px -3px 6px var(--neo-shadow-light);color:var(--neo-text);font-size:12px;font-weight:500;padding:6px 12px}.book-rating{align-items:center;color:var(--neo-text-light);display:flex;font-size:14px;gap:4px}.star{color:#fbbf24}.book-description{color:var(--neo-text-light);font-size:14px;line-height:1.5;margin-bottom:20px}.book-actions{align-items:center;display:flex;justify-content:space-between}.book-price{color:var(--neo-text-dark);font-size:1.5rem;font-weight:700}.book-buttons{display:flex;gap:8px}.book-btn{border-radius:var(--neo-border-radius-small);font-size:16px;height:40px;padding:0;width:40px}.pagination{align-items:center;display:flex;gap:12px;justify-content:center;margin:60px 0}.pagination-btn{border-radius:50%;font-weight:600;height:48px;padding:0;width:48px}.pagination-btn.current{background:var(--neo-accent);box-shadow:inset 4px 4px 8px rgba(0,0,0,.2),inset -4px -4px 8px hsla(0,0%,100%,.1);color:#fff}.pagination-info{color:var(--neo-text-light);font-size:14px;margin:0 16px}.loading{padding:60px 20px;text-align:center}.loading-spinner{animation:spin 2s linear infinite;background:var(--neo-bg);border-radius:50%;box-shadow:inset 6px 6px 12px var(--neo-shadow-dark),inset -6px -6px 12px var(--neo-shadow-light);height:60px;margin:0 auto 20px;width:60px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.empty-state{padding:80px 20px;text-align:center}.empty-icon{align-items:center;background:var(--neo-bg);border-radius:50%;box-shadow:inset 8px 8px 16px var(--neo-shadow-dark),inset -8px -8px 16px var(--neo-shadow-light);color:var(--neo-text-light);display:flex;font-size:32px;height:80px;justify-content:center;margin:0 auto 24px;width:80px}.empty-state h3{color:var(--neo-text-dark);font-size:1.5rem;margin-bottom:12px}.empty-state p{color:var(--neo-text-light)}@media (max-width:768px){.container{padding:0 16px}.books-grid{gap:24px;grid-template-columns:1fr}.search-box{flex-direction:column;gap:12px}.filters{gap:8px}.filter-btn{font-size:12px;padding:6px 12px}.nav-tabs{gap:8px}.nav-tab{font-size:14px;min-width:100px;padding:10px 16px}}@media (max-width:480px){.book-actions{align-items:stretch;flex-direction:column;gap:16px}.book-buttons{justify-content:center}.pagination{flex-wrap:wrap;gap:8px}}.sonata-ba-list thead th{background-color:#981f1f;font-weight:700}