.carbon-section {
    text-align: center;
    padding: 20px;
}

.carbon-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #9b0105;
    margin: 15px 0;
}

.carbon-description {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.4;
}

.loading {
    display: none;
    text-align: center;
    margin: 20px 0;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #9b0105;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}