body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    margin: 0;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
}

header h1 {
    font-size: 48px;
    margin: 0;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.tab-button {
    background: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}

.tab-button.active {
    background: #764ba2;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.section h2 {
    color: #333;
    margin-bottom: 20px;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
}

.year-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

.year-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.year-card h3 {
    font-size: 32px;
    margin: 0 0 5px 0;
}

.year-card p {
    font-size: 14px;
    margin: 0;
    opacity: 0.9;
}

.results {
    margin-top: 30px;
    padding: 20px;
    background: #f5f5f5;
    border-radius: 8px;
}

video {
    width: 100%;
    max-height: 600px;
    margin: 20px 0;
    background: #000;
    border-radius: 8px;
}

.quality-buttons {
    margin: 20px 0;
    display: flex;
    gap: 10px;
}

.quality-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
}

.quality-btn.active {
    background: #764ba2;
}

.photo-item {
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

.photo-item strong {
    color: #667eea;
}