.fspb-progress-container {
    margin: 15px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.fspb-message {
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 500;
    color: #495057;
    text-align: center;
}

.fspb-message.qualified {
    color: #28a745;
}

.fspb-progress-wrapper {
    position: relative;
    background: #e9ecef;
    height: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.fspb-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #007cba 0%, #0085d1 100%);
    border-radius: 10px;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.fspb-progress-bar.qualified {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

.fspb-progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: fspb-shimmer 2s infinite;
}

@keyframes fspb-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.fspb-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12px;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    white-space: nowrap;
}

.fspb-remaining-amount {
    margin-top: 8px;
    font-size: 12px;
    color: #6c757d;
    text-align: center;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .fspb-progress-container {
        margin: 10px 0;
        padding: 12px;
    }
    
    .fspb-message {
        font-size: 13px;
        margin-bottom: 8px;
    }
    
    .fspb-progress-wrapper {
        height: 18px;
    }
    
    .fspb-progress-text {
        font-size: 11px;
    }
    
    .fspb-remaining-amount {
        font-size: 11px;
    }
}

/* Loading state */
.fspb-progress-container.loading {
    opacity: 0.7;
}

.fspb-progress-container.loading .fspb-progress-bar {
    animation: fspb-pulse 1.5s ease-in-out infinite;
}

@keyframes fspb-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Integration with WooCommerce themes */
.woocommerce .fspb-progress-container {
    border-color: var(--wc-border-color, #e9ecef);
}

.woocommerce-cart .fspb-progress-container,
.woocommerce-checkout .fspb-progress-container {
    margin: 20px 0;
}

/* Mini cart specific styles */
.widget_shopping_cart .fspb-progress-container {
    margin: 10px 0;
    padding: 10px;
    font-size: 12px;
}

.widget_shopping_cart .fspb-message {
    font-size: 12px;
    margin-bottom: 8px;
}

.widget_shopping_cart .fspb-progress-wrapper {
    height: 16px;
}

.widget_shopping_cart .fspb-progress-text {
    font-size: 10px;
}

.widget_shopping_cart .fspb-remaining-amount {
    font-size: 10px;
    margin-top: 6px;
}

/* Product page specific styles */
.single-product .fspb-progress-container {
    margin: 20px 0;
    border: 2px solid #e9ecef;
}

/* Accessibility improvements */
.fspb-progress-bar[aria-valuenow="100"] {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

@media (prefers-reduced-motion: reduce) {
    .fspb-progress-bar,
    .fspb-progress-bar::before {
        animation: none;
        transition: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .fspb-progress-container {
        border-width: 2px;
        border-color: #000;
    }
    
    .fspb-progress-wrapper {
        border: 1px solid #000;
    }
    
    .fspb-progress-text {
        text-shadow: none;
        font-weight: 700;
    }
}