/* costabooks.css */
:root {
    --primary: #001155;
    --primary-dark: #0a1856;
    --secondary: #ff6b2e;
    --secondary-dark: #e25a1a;
    --light-bg: #f8faff;
    --dark-text: #15192c;
    --light-text: #ffffff;
    --gray-text: #6e7484;
    --border-color: #e0e5f2;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-text);
    background-color: var(--light-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* Navigation */
.navbar {
    background-color: #000000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    padding: 15px 0;
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--light-text);
}

.navbar-brand span {
    color: var(--light-text);
}

.nav-link {
    color: var(--light-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    margin: 0 0.2rem;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--light-text);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--secondary);
    border-color: var(--secondary);
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    color: white;
}

/* Book Cards */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 30px;
}

.book-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.book-card .card-img-container {
    height: 280px;
    overflow: hidden;
    position: relative;
}

.book-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.book-card:hover img {
    transform: scale(1.05);
}

.book-card .card-body {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.book-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.book-author {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.book-description {
    font-size: 0.9rem;
    color: var(--gray-text);
    margin-bottom: 15px;
    flex-grow: 1;
}

.book-price {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 15px;
}

.book-price .original-price {
    color: var(--gray-text);
    text-decoration: line-through;
    font-size: 1rem;
    margin-right: 10px;
}

.book-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray-text);
    margin-top: auto;
}

.book-language {
    display: inline-flex;
    align-items: center;
}

.book-language i {
    margin-right: 5px;
}

.book-pages {
    display: inline-flex;
    align-items: center;
}

.book-pages i {
    margin-right: 5px;
}

.free-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--success);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.featured-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Filters */
.filters-bar {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.filter-group {
    margin-bottom: 15px;
}

.filter-group label {
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

/* Pagination */
.pagination .page-item .page-link {
    color: var(--primary);
    padding: 10px 15px;
    margin: 0 5px;
    border-radius: 8px;
}

.pagination .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Form styles */
.form-container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    margin-bottom: 30px;
}

.form-section {
    margin-bottom: 30px;
}

.form-section-title {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.form-label {
    font-weight: 600;
}

.form-control {
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(46, 88, 255, 0.25);
}

.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dropzone:hover {
    border-color: var(--primary);
    background-color: rgba(46, 88, 255, 0.05);
}

.dropzone i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Footer */
footer {
    background-color: var(--dark-text);
    color: var(--light-text);
    padding: 40px 0 0;
    margin-top: auto;
}

.footer-heading {
    color: var(--light-text);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    display: block;
    margin-bottom: 10px;
    text-decoration: none;
}

.footer-link:hover {
    color: var(--light-text);
    text-decoration: none;
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.5rem;
    margin-right: 15px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--light-text);
}

.newsletter-form .form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    padding: 10px 15px;
}

.newsletter-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form .btn {
    background-color: var(--secondary);
    border-color: var(--secondary);
    color: var(--light-text);
}

.copyright {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 15px 0;
    margin-top: 40px;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .book-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
    
    .book-card .card-img-container {
        height: 220px;
    }
    
    .book-title {
        font-size: 1.1rem;
    }
    
    .filters-bar {
        padding: 15px;
    }
    
    .form-container {
        padding: 20px;
    }
}

@media (max-width: 575px) {
    .book-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .book-card .card-img-container {
        height: 180px;
    }
}