/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

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

/* Header styles */
header {
    background-color: #3498db;
    color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

header h1 {
    font-size: 1.5rem;
    margin: 0;
}

header nav ul {
    display: flex;
    list-style-type: none;
}

header nav ul li {
    margin-left: 20px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: #ecf0f1;
}

/* Main content styles */
main {
    padding: 2rem 0;
}

h2, h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Article styles */
.article-list {
    margin-bottom: 2rem;
}

.article {
    background-color: #fff;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.article-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.article-card .card-body {
    padding: 1.5rem;
}

.article-card .card-title {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: #2c3e50;
}

.article-card .card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-card .card-title a:hover {
    color: #3498db;
}

.article-card .card-text {
    color: #34495e;
    line-height: 1.6;
}

.article:hover {
    transform: translateY(-5px);
}

.article-title {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.article-title:hover {
    color: #2980b9;
}

.article-meta {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-bottom: 0.75rem;
}

.article-excerpt {
    margin-bottom: 1rem;
}

.read-more {
    color: #e74c3c;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.read-more:hover {
    color: #c0392b;
}

/* Featured article */
.featured-article {
    background-color: #ecf0f1;
    border-left: 5px solid #3498db;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border-radius: 8px;
}

.featured-article h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Article detail styles */
.article-detail h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.article-content {
    margin-top: 20px;
    line-height: 1.8;
}

.category-list {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.category-list .card-header {
    background-color: #3498db;
    color: #fff;
    padding: 1rem;
    font-size: 1.2rem;
}

.category-list .list-group-item {
    border: none;
    padding: 0.75rem 1rem;
}

.category-list .list-group-item a {
    color: #34495e;
    text-decoration: none;
    transition: color 0.3s ease;
}

.category-list .list-group-item a:hover {
    color: #3498db;
}

/* Pagination */
.pagination {
    margin-top: 2rem;
}

.pagination .page-item .page-link {
    color: #3498db;
    border-color: #bdc3c7;
}

.pagination .page-item.active .page-link {
    background-color: #3498db;
    border-color: #3498db;
}

.pagination .page-item .page-link:hover {
    background-color: #ecf0f1;
}

.pagination a, .pagination strong {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 4px;
    border: 1px solid #bdc3c7;
    border-radius: 3px;
    text-decoration: none;
    color: #3498db;
    transition: all 0.3s ease;
}

.pagination strong {
    background-color: #3498db;
    color: #fff;
}

.pagination a:hover {
    background-color: #ecf0f1;
}

.pagination .ellipsis {
    color: #95a5a6;
}

/* Categories */
.categories {
    background-color: #fff;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.categories h2 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.categories ul {
    list-style-type: none;
}

.categories li {
    margin-bottom: 10px;
}

.categories a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.categories a:hover {
    color: #2980b9;
}

/* Form styles */
.new-article-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

/* Button styles */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-read-more {
    background-color: #3498db;
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    display: inline-block;
    font-size: 0.9rem;
}

.btn-read-more:hover {
    background-color: #2980b9;
}

/* Footer */
footer {
    background-color: #34495e;
    color: #ecf0f1;
    padding: 2rem 0;
    margin-top: 2rem;
}

footer nav ul {
    display: flex;
    justify-content: center;
    list-style-type: none;
}

footer nav ul li {
    margin: 0 15px;
}

footer nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer nav ul li a:hover {
    color: #3498db;
}

footer p {
    text-align: center;
    margin-top: 1rem;
}

.article-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.article-excerpt {
    margin: 1rem 0;
    line-height: 1.6;
    color: #4a4a4a;
}

.btn-read-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn-read-more:hover {
    background-color: #2980b9;
    color: white;
    text-decoration: none;
}

/* Responsive design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    header nav ul {
        margin-top: 1rem;
    }

    header nav ul li {
        margin: 0 10px;
    }

    .article {
        padding: 15px;
    }

    .pagination a, .pagination strong {
        padding: 6px 10px;
        margin: 0 2px;
    }
}