/* Morse Hero Chart Styles */

h1 {
    font-size: 48px;
}

h2 {
    font-size: 32px;
    margin: 30px 0 15px;
    color: var(--primary-color);
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.2),
        0 0 10px rgba(52, 152, 219, 0.4);
    font-family: 'Fredoka', sans-serif;
    font-weight: 600;
}

.chart-section {
    background: linear-gradient(145deg, var(--bg-light) 0%, #2d3e50 100%);
    border-radius: var(--border-radius-md);
    padding: 30px 25px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.chart-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    z-index: 1;
}

.morse-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
    margin: 0 auto;
}

.morse-item {
    background: linear-gradient(145deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.2) 100%);
    border-radius: var(--border-radius-sm);
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.morse-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(145deg, rgba(52, 152, 219, 0.2) 0%, rgba(52, 152, 219, 0.3) 100%);
    border-color: rgba(52, 152, 219, 0.3);
}

.morse-item.playing {
    background: linear-gradient(145deg, rgba(243, 156, 18, 0.2) 0%, rgba(243, 156, 18, 0.3) 100%);
    box-shadow: 0 0 20px rgba(243, 156, 18, 0.4);
    border-color: rgba(243, 156, 18, 0.4);
}

.character {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.morse {
    font-family: monospace;
    font-size: 18px;
    letter-spacing: 2px;
    color: var(--text-dim);
}

.back-link {
    margin-top: 40px;
    font-size: 18px;
}

.back-link a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-normal);
    padding: 10px 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    display: inline-block;
}

.back-link a:hover {
    color: var(--secondary-color);
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
    .morse-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 15px;
    }
    
    .morse-item {
        padding: 15px 10px;
    }
    
    .character {
        font-size: 28px;
    }
    
    .morse {
        font-size: 16px;
    }
    
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 24px;
    }
}