/* Enhanced Categories Page Styles */
:root {
    --primary-color: #2563EB;
    --primary-light: #3B82F6;
    --primary-dark: #1D4ED8;
    --secondary-color: #64748B;
    --accent-color: #06B6D4;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --background-color: #F8FAFC;
    --surface-color: #FFFFFF;
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-light: #64748B;
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 4px 6px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --category-gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --category-gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --category-gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --category-gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --category-gradient-5: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --category-gradient-6: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --category-gradient-7: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --category-gradient-8: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: 'Sakkal Majalla';
    src: url('https://fonts.cdnfonts.com/css/majalla') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: AljazerraFont;
    src: url(../fonts/Jazeera.ttf);
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: AljazerraFont, 'Sakkal Majalla', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: var(--surface-color);
    padding: 1rem 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-image {
    height: 75px;
    width: auto;
    border-radius: 8px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 1.1rem;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-color);
    color: white;
}

/* Categories Hero Section */
.categories-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 4rem 0 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.categories-hero::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 0 100 100"><defs><pattern id="books" patternUnits="userSpaceOnUse" width="20" height="20"><rect width="20" height="20" fill="none"/><path d="M2 2h16v16H2z" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23books)"/></svg>') repeat;
    opacity: 0.3;
}

.categories-hero-content {
    position: relative;
    z-index: 2;
}

.categories-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.categories-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Enhanced Category Filter Section */
.category-filter-section {
    padding: 3rem 0;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    z-index: 50;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.category-selector {
    position: relative;
    min-width: 280px;
}

.category-dropdown {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1.1rem;
    font-family: AljazerraFont, 'Sakkal Majalla', sans-serif;
    background: var(--surface-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2364748B"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: left 1rem center;
    background-size: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.category-dropdown:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.category-dropdown:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: AljazerraFont, 'Sakkal Majalla', sans-serif;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Categories Section */
.categories-section {
    padding: 3rem 0;
}


/* Ensure all cards have consistent layout */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
    align-items: stretch; /* Make all cards stretch to same height */
}

/* Category Cards */
.category-card {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%; /* Make all cards equal height */
    min-height: 320px; /* Set minimum height */
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--category-gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.category-card:nth-child(2n)::before { background: var(--category-gradient-2); }
.category-card:nth-child(3n)::before { background: var(--category-gradient-3); }
.category-card:nth-child(4n)::before { background: var(--category-gradient-4); }
.category-card:nth-child(5n)::before { background: var(--category-gradient-5); }
.category-card:nth-child(6n)::before { background: var(--category-gradient-6); }
.category-card:nth-child(7n)::before { background: var(--category-gradient-7); }
.category-card:nth-child(8n)::before { background: var(--category-gradient-8); }

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    background: var(--category-gradient-1);
}

.category-card:nth-child(2n) .category-icon { background: var(--category-gradient-2); }
.category-card:nth-child(3n) .category-icon { background: var(--category-gradient-3); }
.category-card:nth-child(4n) .category-icon { background: var(--category-gradient-4); }
.category-card:nth-child(5n) .category-icon { background: var(--category-gradient-5); }
.category-card:nth-child(6n) .category-icon { background: var(--category-gradient-6); }
.category-card:nth-child(7n) .category-icon { background: var(--category-gradient-7); }
.category-card:nth-child(8n) .category-icon { background: var(--category-gradient-8); }

.category-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.category-code {
    font-size: 0.9rem;
    color: var(--text-light);
    background: var(--background-color);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
}

.category-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    flex: 1; /* Take available space */
    display: -webkit-box;
    -webkit-line-clamp: 3; /* Limit to 3 lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 4.8em; /* Approximately 3 lines of text */
}

.category-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    margin-top: auto; /* Push to bottom */
    flex-shrink: 0; /* Prevent shrinking */
}



.book-count {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.view-books-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.view-books-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Books Display Section */
.books-display {
    padding: 2rem 0 3rem 0;
    background: var(--surface-color);
    border-radius: 16px;
    margin: 2rem auto;
    max-width: 1200px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    position: relative;
    display: none;
}

.books-display.active {
    display: block;
}

.books-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 16px 16px 0 0;
}

.books-display .container {
    padding: 0 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
}

.btn-reset {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: AljazerraFont, 'Sakkal Majalla', sans-serif;
    font-size: 1rem;
    text-decoration: none;
}

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

/* Loading Animation */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 2rem;
}

.loading-spinner.active {
    display: block;
}

.spinner {
    border: 3px solid var(--border-light);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Results Section */
.books-results-section {
    padding: 0;
    background: transparent;
    border-radius: 0;
    margin: 0;
    max-width: none;
    box-shadow: none;
    border: none;
}

.books-results-section::before {
    display: none;
}

.books-results-section .container {
    padding: 0;
}

.results-table-container {
    background: var(--surface-color);
    border-radius: 12px;
    padding: 0;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
    border: 1px solid var(--border-color);
}

.results-table th {
    background: linear-gradient(135deg, var(--background-color) 0%, #f8fafc 100%);
    padding: 1.25rem 1rem;
    text-align: center;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    border-right: 1px solid var(--border-light);
    font-size: 1rem;
}

.results-table td {
    padding: 0.8rem 0.8rem;
    border-bottom: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 700;
    text-align: right;
}

.book-row:hover {
    background: var(--background-color);
}

.book-row:hover td {
    background: var(--background-color);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}

.text-bg-info {
    background-color: #0dcaf0;
    color: #000;
}

.text-bg-warning {
    background-color: #ffc107;
    color: #000;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.pagination ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    direction: rtl;
}

.page-item {
    display: inline-block;
}

.page-link {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.7rem 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    font-family: AljazerraFont, 'Sakkal Majalla', sans-serif;
    font-size: 1rem;
    min-width: 46px;
    text-align: center;
}

.page-link:hover {
    background: var(--background-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--border-light);
}

.page-item.disabled .page-link:hover {
    transform: none;
}

/* Footer Styles */
.footer {
    background: var(--surface-color);
    color: var(--text-primary);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-text {
    line-height: 1.6;
    color: var(--text-secondary);
    font-size: 1rem;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Enhanced Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .categories-hero h1 {
        font-size: 2rem;
    }

    .categories-hero p {
        font-size: 1rem;
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .category-selector {
        min-width: auto;
    }

    .filter-buttons {
        justify-content: center;
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .category-card {
        padding: 1.5rem;
    }

    .books-display .container {
        padding: 0 1rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .logo-image {
        height: 65px;
    }

    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.4rem 0.8rem;
        font-size: 1rem;
    }
}

/* Enhanced Pagination Styles */
.pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.pagination-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    direction: rtl;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-info {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
}

.pagination-simple .pagination-list {
    gap: 1rem;
}

.page-item {
    display: inline-block;
}

.page-link {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.7rem 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-family: AljazerraFont, 'Sakkal Majalla', sans-serif;
    font-size: 1rem;
    min-width: 46px;
    justify-content: center;
}

.page-link:hover {
    background: var(--background-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--border-light);
    transform: none;
}

.page-item.disabled .page-link:hover {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Pagination */
@media (max-width: 768px) {
    .pagination-list {
        gap: 0.25rem;
    }
    
    .page-link {
        padding: 0.6rem 0.8rem;
        min-width: 40px;
        font-size: 0.9rem;
    }
    
    .pagination-info {
        text-align: center;
    }
}

/* Ensure pagination links are properly clickable */
.page-link {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.7rem 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-family: AljazerraFont, 'Sakkal Majalla', sans-serif;
    font-size: 1rem;
    min-width: 46px;
    justify-content: center;
    position: relative;
    z-index: 1; /* Ensure clickable area */
}

/* Make sure disabled links don't block clicks */
.page-item.disabled .page-link {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
}

/* Active page should still be visible but not clickable */
.page-item.active .page-link {
    pointer-events: none;
    cursor: default;
}

/* Hover effects for clickable links */
.page-item:not(.disabled):not(.active) .page-link:hover {
    background: var(--background-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* Ensure the entire pagination area is properly structured */
.pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    position: relative;
    z-index: 10; /* Ensure it's above other content */
}

.pagination-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    direction: rtl;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
    z-index: 10;
}

/* Quick fix for pagination spacing and alignment */
.pagination {
    align-items: flex-start !important;
    margin-top: 0.75rem !important;
    margin-bottom: 0.5rem !important;
    gap: 0.25rem !important;
}

.pagination-list {
    justify-content: flex-start !important;
    gap: 0.2rem !important;
}

.pagination-info {
    margin-top: 0.15rem !important;
    font-size: 0.85rem !important;
}

.books-results-section .pagination {
    margin-top: 0.5rem !important;
    margin-bottom: 0.25rem !important;
}

.results-table-container {
    margin-bottom: 0.5rem !important;
}