/* assets/css/style.css */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --border-radius: 12px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Vazirmatn', sans-serif;
    line-height: 1.7;
    color: var(--dark-color);
    background-color: #f9f9f9;
    font-size: 15px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* هدر و نوبار */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: flex-end;

}

.logo i {
    font-size: 18px;
}
.logo img{
    width: 150px;
}
.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 6px;
}

.nav-links a:hover {
    color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.05);
}

.nav-links .active {
    color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.1);
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--light-color);
    border-radius: 50px;
    padding: 8px 15px;
    width: 300px;
}
.search-box form{
    width: 100%;
}
.search-box input {
    border: none;
    background: transparent;
    outline: none;
    width: 90%;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 14px;
}

.search-box button {
    background: none;
    border: none;
    color: var(--gray-color);
    cursor: pointer;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark-color);
    cursor: pointer;
}

/* بخش اصلی */
.main-content {
    display: flex;
    gap: 30px;
    margin: 30px 0;
}

.posts-container, .post-container {
    flex: 2.5;
}

.sidebar {
    flex: 1;
}

/* کارت مقاله */
.post-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    margin-bottom: 30px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.post-image {
    height: 200px;
    background-color: #e0e0e0;
    background-size: cover;
    background-position: center;
}

.post-content {
    padding: 25px;
}

.post-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 3px;
    font-size: 12px;
    color: var(--gray-color);
    flex-wrap: wrap;
}

.post-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.post-title {
    font-size: 18px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.post-title a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.post-title a:hover {
    color: var(--primary-color);
}

.post-excerpt {
    color: var(--gray-color);
    margin-bottom: 20px;
    font-size: 15px;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.post-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.post-tag {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.post-tag:hover {
    background-color: var(--primary-color);
    color: white;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* صفحه پست */
.single-post {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.post-featured-image {
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-header {
    margin-bottom: 30px;
}

.post-header .post-title {
    font-size: 28px;
    margin-bottom: 20px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--dark-color);
}

.post-date {
    display: block;
    color: var(--gray-color);
    font-size: 14px;
}

.post-stats {
    display: flex;
    gap: 20px;
    color: var(--gray-color);
    font-size: 14px;
}

.post-categories {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.post-category {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.post-category:hover {
    background-color: var(--primary-color);
    color: white;
}

.post-content {
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 30px;
}

.post-content h2, .post-content h3, .post-content h4 {
    margin: 25px 0 15px;
    color: var(--dark-color);
}

.post-content p {
    margin-bottom: 20px;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 20px 0;
}

.post-content pre {
    background-color: #f4f4f4;
    padding: 20px;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 20px 0;
    font-size: 14px;
}

.post-content code {
    background-color: #f4f4f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.post-footer {
    border-top: 1px solid #eee;
    padding-top: 25px;
    margin-top: 30px;
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.share-btn.twitter {
    background-color: #1da1f2;
}

.share-btn.facebook {
    background-color: #1877f2;
}

.share-btn.linkedin {
    background-color: #0a66c2;
}

.share-btn.telegram {
    background-color: #0088cc;
}

.share-btn.print-btn {
    background-color: var(--gray-color);
}

.share-btn:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

/* مقالات مرتبط */
.related-posts {
    margin-top: 50px;
}

.section-title {
    font-size: 24px;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.related-post-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.related-post-card:hover {
    transform: translateY(-5px);
}

.related-post-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.related-post-content {
    padding: 20px;
}

.related-post-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-post-content h3 a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.related-post-content h3 a:hover {
    color: var(--primary-color);
}

.related-post-meta {
    display: flex;
    gap: 0px;
    margin-bottom: 2px;
    color: var(--gray-color);
    font-size: 12px;
}

.related-post-content p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.6;
}

/* بخش نظرات */
.comments-section {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-top: 30px;
}

.comment-form-container {
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
}

.comment-form-container h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-cancel {
    background-color: var(--gray-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 10px;
}

.btn-cancel:hover {
    background-color: #5a6268;
}

.comments-list {
    margin-top: 30px;
}

.no-comments {
    text-align: center;
    padding: 30px;
    color: var(--gray-color);
    font-style: italic;
}

.comment {
    background-color: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    border-right: 3px solid var(--primary-color);
}

.comment.reply {
    margin-right: 30px;
    margin-bottom: 15px;
    background-color: white;
    border: 1px solid #eee;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.comment-avatar.default {
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-color);
    font-size: 20px;
}

.comment-author strong {
    display: block;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.comment-date {
    color: var(--gray-color);
    font-size: 13px;
}

.comment-content {
    line-height: 1.7;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.reply-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: var(--transition);
}

.reply-btn:hover {
    background-color: rgba(67, 97, 238, 0.1);
}

.reply-form {
    margin-top: 15px;
    padding: 20px;
    background-color: white;
    border-radius: var(--border-radius);
    border: 1px solid #eee;
}

.comment-replies {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* اعلان‌ها */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    border-right: 4px solid;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: var(--success-color);
    color: #155724;
}

.alert-error {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--danger-color);
    color: #721c24;
}

/* سایدبار */
.sidebar-widget {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 25px;
    margin-bottom: 30px;
}

.widget-title {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    position: relative;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.categories-list, .popular-posts {
    list-style: none;
}

.categories-list li, .popular-posts li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.categories-list li:last-child, .popular-posts li:last-child {
    border-bottom: none;
}

.categories-list a, .popular-posts a {
    text-decoration: none;
    color: var(--dark-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.categories-list a:hover, .popular-posts a:hover {
    color: var(--primary-color);
}

.category-count {
    background-color: var(--light-color);
    color: var(--gray-color);
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
}

.post-thumb {
    display: flex;
    gap: 15px;
    align-items: center;
}

.post-thumb-img {
    width: 70px;
    height: 70px;
    border-radius: 8px;
    background-color: #e0e0e0;
    background-size: cover;
    background-position: center;
}

.post-thumb-content h4 {
    font-size: 14px;
    margin-bottom: 5px;
    line-height: 1.4;
}

.post-thumb-meta {
    font-size: 12px;
    color: var(--gray-color);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud a {
    background-color: var(--light-color);
    color: var(--dark-color);
    padding: 8px 15px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.tag-cloud a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* صفحه‌بندی */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: white;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

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

/* فوتر */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 50px 0 20px;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-widget h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: white;
}

.footer-widget p {
    color: #b0b0b0;
    font-size: 14px;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-right: 5px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0b0b0;
    font-size: 14px;
}

/* دکمه‌های اشتراک‌گذاری */
.share-buttons {
    display: flex;
    gap: 10px;
}

/* پنل جستجو در موبایل */
.mobile-search {
    display: none;
    padding: 15px 0;
}

/* ریسپانسیو */
@media (max-width: 992px) {
    .main-content {
        flex-direction: column;
    }
    
    .search-box {
        width: 250px;
    }
}

@media (max-width: 768px) {
    .nav-links, .search-box {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-search {
        display: block;
    }
    
    .post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .share-buttons {
        align-self: flex-start;
    }
    
    .single-post {
        padding: 20px;
    }
    
    .post-header .post-title {
        font-size: 24px;
    }
    
    .comments-section {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .post-image {
        height: 200px;
    }
    
    .post-content {
        padding: 20px;
    }
    
    .post-title {
        font-size: 20px;
    }
    
    .sidebar-widget {
        padding: 20px;
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
    }
}
.math-problem {
            font-size: 15px;
            font-weight: bold;
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin: 20px 0;
            padding: 5px;
            
            border-radius: 10px;
            min-width: 85px;
        }
        input[type="number"] {
            max-width: 150px;
            padding: 0px;
            font-size: 15px;
            margin: 15px 0;
            border: 2px solid #6a11cb;
            border-radius: 10px;
            text-align: center;
            box-sizing: border-box;
            transition: all 0.3s;
        }
        input[type="number"]:focus {
            outline: none;
            border-color: #2575fc;
            box-shadow: 0 0 10px rgba(37, 117, 252, 0.5);
        }
        .table-of-contents {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 30px;
}

.table-of-contents h3 {
    margin-top: 0;
    font-size: 18px;
}

.table-of-contents ul {
    margin-bottom: 0;
    padding-right: 20px;
}

.table-of-contents a {
    text-decoration: none;
    color: #007bff;
}

.table-of-contents a:hover {
    text-decoration: underline;
}