.hero-category {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.dark .hero-category {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark .glass-card {
    background: rgba(31, 41, 55, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e5e7eb;
}

.book-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.dark .book-card:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.breadcrumb-modern {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 12px 24px;
    display: inline-flex;
    align-items: center;
    margin-bottom: 2rem;
}

.dark .breadcrumb-modern {
    background: rgba(31, 41, 55, 0.3);
}

.subcategory-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.dark .subcategory-card {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
}

.subcategory-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3b82f6, transparent);
    transition: left 0.5s ease;
}

.subcategory-card:hover::before {
    left: 100%;
}

.pagination-modern {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination-modern a,
.pagination-modern span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.pagination-modern .active {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.sort-dropdown {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.dark .sort-dropdown {
    background: rgba(31, 41, 55, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e5e7eb;
}

.stats-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.dark .stats-badge {
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}