/* Decades Page Styles */

/* Decade-specific gradient colors */
.collection-card.decade-2020 {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
}

.collection-card.decade-2010 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.collection-card.decade-2000 {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.collection-card.decade-1990 {
    background: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);
}

.collection-card.decade-1980 {
    background: linear-gradient(135deg, #f857a6 0%, #ff5858 100%);
}

/* Decade detail header */
.decade-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin: 15px auto;
    max-width: 95%;
    text-align: center;
}

.decade-header.decade-2020 {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
}

.decade-header.decade-2010 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.decade-header.decade-2000 {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.decade-header.decade-1990 {
    background: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);
}

.decade-header.decade-1980 {
    background: linear-gradient(135deg, #f857a6 0%, #ff5858 100%);
}

.decade-header h2 {
    margin: 0 0 10px 0;
    font-size: 1.8em;
}

.decade-header .decade-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.decade-header .decade-stat {
    text-align: center;
}

.decade-header .decade-stat-value {
    font-size: 1.4em;
    font-weight: bold;
}

.decade-header .decade-stat-label {
    font-size: 0.85em;
    opacity: 0.9;
}

/* Sort tabs for decade view */
.decade-sort-tabs {
    display: flex;
    gap: 0;
    max-width: 95%;
    margin: 0 auto 15px;
    border-bottom: 2px solid #e0e0e0;
}

.decade-sort-tabs a {
    padding: 12px 24px;
    text-decoration: none;
    color: #666;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

.decade-sort-tabs a:hover {
    color: #333;
}

.decade-sort-tabs a.active {
    color: #3498db;
    border-bottom-color: #3498db;
}

/* Back link */
.decade-back-link {
    max-width: 95%;
    margin: 15px auto;
    padding: 0 15px;
}

.decade-back-link a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.decade-back-link a:hover {
    text-decoration: underline;
}

/* Mobile adjustments */
@media (max-width: 600px) {
    .decade-header {
        padding: 15px;
    }

    .decade-header h2 {
        font-size: 1.4em;
    }

    .decade-header .decade-stats {
        gap: 15px;
    }

    .decade-header .decade-stat-value {
        font-size: 1.2em;
    }

    .decade-sort-tabs a {
        padding: 10px 16px;
        font-size: 0.9em;
    }
}