/* Timeline Page Styles */
.timeline-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.timeline-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 2rem;
    color: #000;
    border-bottom: 2px solid #000;
    padding-bottom: 0.5rem;
}

.timeline-section {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e5e5;
    color: #000;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.timeline-item {
    background: #fff;
    padding: 1.5rem;
    border: 1px solid #ddd;
    transition: all 0.2s ease;
}

.timeline-item:hover {
    background-color: #f9f9f9;
    border-color: #999;
}

.timeline-item-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #000;
}

.year-span {
    display: block;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Eras specific styles */
.timeline-section:first-child .timeline-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* Mobile Styles */
@media (max-width: 640px) {
    .timeline-container {
        padding: 1rem 0.5rem;
    }
    
    .timeline-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .timeline-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .timeline-item {
        padding: 1rem;
    }
    
    .timeline-item-title {
        font-size: 1.1rem;
    }
    
    .year-span {
        font-size: 0.875rem;
    }
}

/* Tablet Styles */
@media (min-width: 641px) and (max-width: 1024px) {
    .timeline-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

/* Print Styles */
@media print {
    .timeline-container {
        max-width: 100%;
    }
    
    .timeline-section {
        page-break-inside: avoid;
    }
    
    .timeline-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timeline-item {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
    
    .timeline-item:hover {
        background-color: transparent;
    }
}