/**
 * Tier Pricing Display CSS
 * 
 * Styles for the tier pricing display component
 */

/* Professional Tier Pricing Container with Branding */
.tier-pricing-display {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
    border: 2px solid var(--pu-primary, #007cba);
    border-radius: 16px;
    padding: 28px;
    margin: 24px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', system-ui, sans-serif;
    box-shadow: 
        0 4px 20px rgba(0, 124, 186, 0.12),
        0 1px 3px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
}

.tier-pricing-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--pu-primary, #007cba) 0%, var(--pu-accent, #00a0d2) 50%, var(--pu-secondary, #005a87) 100%);
    border-radius: 16px 16px 0 0;
}

.tier-pricing-display.hidden {
    display: none;
}

/* Tier Pricing Header */
.tier-pricing-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(0, 124, 186, 0.15);
    text-align: center;
}

.tier-pricing-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--pu-primary, #007cba);
    margin: 0 0 8px 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'SF Pro Display', system-ui, sans-serif;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tier-pricing-title::before {
    content: '💎';
    font-size: 18px;
}

.tier-pricing-subtitle {
    font-size: 14px;
    color: #6c757d;
    margin: 0;
}

/* Tier List */
.tier-pricing-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tier-pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.tier-pricing-item:hover {
    border-color: #007cba;
    box-shadow: 0 2px 4px rgba(0, 124, 186, 0.1);
}

.tier-pricing-item.active {
    border-color: #007cba;
    background: #f0f8ff;
    box-shadow: 0 2px 8px rgba(0, 124, 186, 0.15);
}

.tier-pricing-item:last-child {
    margin-bottom: 0;
}

/* Tier Info */
.tier-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.tier-quantity {
    font-size: 16px;
    font-weight: 500;
    color: #212529;
    margin-bottom: 2px;
}

.tier-description {
    font-size: 13px;
    color: #6c757d;
}

/* Tier Price */
.tier-price {
    font-size: 18px;
    font-weight: 600;
    color: #007cba;
    text-align: right;
}

.tier-price-unit {
    font-size: 12px;
    font-weight: 400;
    color: #6c757d;
    display: block;
    margin-top: 2px;
}

/* Current Selection Indicator */
.tier-pricing-item.current {
    border-color: #28a745;
    background: #f8fff9;
}

.tier-pricing-item.current .tier-price {
    color: #28a745;
}

/* Savings Badge */
.tier-savings {
    background: #28a745;
    color: white;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 12px;
    margin-left: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tier-pricing-display {
        padding: 16px;
        margin: 16px 0;
    }
    
    .tier-pricing-item {
        padding: 10px 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .tier-price {
        align-self: flex-end;
        font-size: 16px;
    }
    
    .tier-quantity {
        font-size: 15px;
    }
}

/* Loading State */
.tier-pricing-display.loading {
    opacity: 0.6;
    pointer-events: none;
}

.tier-pricing-display.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: tier-pricing-spin 1s linear infinite;
}

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

/* Error State */
.tier-pricing-error {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
    padding: 12px 16px;
    border-radius: 6px;
    margin: 16px 0;
    font-size: 14px;
}

/* Empty State */
.tier-pricing-empty {
    text-align: center;
    padding: 32px 16px;
    color: #6c757d;
    font-size: 14px;
}

.tier-pricing-empty-icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* Compact Mode */
.tier-pricing-display.compact {
    padding: 12px;
    margin: 12px 0;
}

.tier-pricing-display.compact .tier-pricing-item {
    padding: 8px 12px;
    margin-bottom: 4px;
}

.tier-pricing-display.compact .tier-pricing-title {
    font-size: 16px;
    margin-bottom: 4px;
}

.tier-pricing-display.compact .tier-quantity {
    font-size: 14px;
}

.tier-pricing-display.compact .tier-price {
    font-size: 16px;
}

/* Integration with Photo Uploader */
.photo-uploader-container .tier-pricing-display {
    margin-top: 16px;
}

.photo-uploader-container .tier-pricing-anchor {
    min-height: 20px;
}

/* Accessibility */
.tier-pricing-item:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

.tier-pricing-item[aria-selected="true"] {
    border-color: #007cba;
    background: #f0f8ff;
}

/* Print Styles */
@media print {
    .tier-pricing-display {
        background: white;
        border: 1px solid #000;
        box-shadow: none;
    }
    
    .tier-pricing-item {
        background: white;
        border: 1px solid #000;
        box-shadow: none;
    }
}