.top30-chart {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px; 
    padding: 20px;
}

.chart-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 10px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.chart-item:hover,
.chart-item.hovered {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.chart-item.vote-success {
    border-color: #10b981;
    background: #f0fdf4;
    animation: voteSuccess 0.6s ease;
}

@keyframes voteSuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.chart-position {
    font-size: 24px;
    font-weight: bold;
    color: #f97316;
    min-width: 50px;
    text-align: center;
    margin-right: 20px;
}

.album-cover {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    margin-right: 20px;
    position: relative;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.no-cover {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.no-cover::after {
    content: '♪';
    color: white;
    font-size: 24px;
}

.song-info {
    flex: 1;
    min-width: 0;
}

.song-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 5px 0;
    line-height: 1.2;
}

.artist-label {
    font-size: 14px;
    color: #6b7280;
    margin: 0;
    line-height: 1.2;
}

.vote-section {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 20px;
}

.vote-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.vote-btn:not(.voted):hover {
    background: rgba(239, 68, 68, 0.1);
    transform: scale(1.1);
}

.vote-btn.voted {
    cursor: not-allowed;
    opacity: 0.8;
}

.vote-btn.voting {
    cursor: wait;
    opacity: 0.6;
}

.heart-icon {
    font-size: 20px;
    transition: all 0.3s ease;
}

.vote-btn:not(.voted):hover .heart-icon {
    transform: scale(1.2);
}

.vote-count {
    font-size: 16px;
    font-weight: 600;
    color: #ef4444;
    min-width: 35px;
    text-align: right;
}

/* Message styles */
.chart-message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
    text-align: center;
}

.chart-message.success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.chart-message.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Responsive design */
@media (max-width: 768px) {
    .top30-chart {
        padding: 15px;
    }
    
    .chart-item {
        padding: 12px 15px;
        flex-wrap: wrap;
    }
    
    .chart-position {
        font-size: 20px;
        min-width: 35px;
        margin-right: 15px;
    }
    
    .album-cover {
        width: 50px;
        height: 50px;
        margin-right: 15px;
    }
    
    .song-title {
        font-size: 16px;
    }
    
    .artist-label {
        font-size: 13px;
    }
    
    .vote-section {
        margin-left: 10px;
    }
    
    .vote-btn {
        width: 35px;
        height: 35px;
    }
    
    .heart-icon {
        font-size: 18px;
    }
    
    .vote-count {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .chart-item {
        padding: 10px 12px;
    }
    
    .chart-position {
        font-size: 18px;
        min-width: 30px;
        margin-right: 10px;
    }
    
    .album-cover {
        width: 45px;
        height: 45px;
        margin-right: 12px;
    }
    
    .song-title {
        font-size: 15px;
    }
    
    .artist-label {
        font-size: 12px;
    }
}