.shipping-message {
    text-align: center;
    margin-bottom: 12px;
    font-weight: 600;
    color: #333;
    font-size: 18px;
    line-height: 1.4;
}

.shipping-message.success {
    color: #2e7d32;
    font-weight: 700;
}

.progress-bar-container {
    background: #999;
    border-radius: 8px;
    height: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-bar-fill {
    background: linear-gradient(90deg, #2e7d32 0%, #6dbb6e 100%);
    height: 100%;
    border-radius: 8px;
    transition: width 0.6s ease-out;
    position: relative;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    z-index: 3;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .free-shipping-progress-container {
        margin: 12px 0;
    }
    
    .shipping-message {
        font-size: 13px;
        margin-bottom: 10px;
    }
    
    .progress-bar-container {
        height: 12px;
    }
    
    .progress-text {
        font-size: 9px;
    }
}

@media (max-width: 480px) {
    .shipping-message {
        font-size: 12px;
    }
    
    .progress-bar-container {
        height: 10px;
    }
    
    .progress-text {
        font-size: 8px;
    }
}

.free-shipping-progress-container.updating {
    opacity: 0.7;
    pointer-events: none;
}

.free-shipping-progress-container.updating .progress-bar-fill {
    opacity: 0.8;
}