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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.date-selector {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    display: inline-block;
}

.date-selector input[type="date"] {
    padding: 0.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    margin-right: 0.5rem;
}

.date-selector button {
    background: #fff;
    color: #667eea;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.breadcrumb {
    background: white;
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb a {
    color: #667eea;
    text-decoration: none;
    margin-right: 0.5rem;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.main-content {
    padding: 2rem 0;
}

.article-container {
    background: white;
    margin: 2rem 0;
    border-radius: 10px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.article-header {
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
}

.article-title {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.fact-tag {
    background: #667eea;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: bold;
}

.date-created {
    color: #666;
    font-size: 0.9rem;
}

.article-content {
    padding: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.facts-section {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.section-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #667eea;
    padding-bottom: 0.5rem;
}

.fact-card {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 0 8px 8px 0;
    transition: all 0.3s ease;
}

.fact-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.fact-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.fact-card p {
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.fact-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
    text-decoration: underline;
}

.nav-btn {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 25px;
    margin: 0.5rem;
    transition: all 0.3s ease;
    font-weight: bold;
}

.nav-btn:hover {
    background: #764ba2;
    transform: translateY(-2px);
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.archive-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.archive-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    header h1 {
        font-size: 2rem;
    }

    .article-title {
        font-size: 1.8rem;
    }

    .fact-meta,
    .article-meta {
        flex-direction: column;
        align-items: flex-start;

    }

    .archive-grid {
        grid-template-columns: 1fr;
    }

    .nav-btn {
        display: block;
        text-align: center;
        margin: 0.5rem 0;
    }
}