/* Modern Minimal Checkout Design */

/* Typography Scale */
:root {
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Neutral Color Palette */
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f4f4f5;
    --color-gray-200: #e4e4e7;
    --color-gray-300: #d4d4d8;
    --color-gray-400: #a1a1aa;
    --color-gray-500: #71717a;
    --color-gray-600: #52525b;
    --color-gray-700: #3f3f46;
    --color-gray-800: #27272a;
    --color-gray-900: #18181b;
    
    /* Accent Colors */
    --color-primary: #7f02f7;
    --color-primary-light: rgba(127, 2, 247, 0.05);
    --color-success: #22c55e;
    --color-success-light: rgba(34, 197, 94, 0.1);
    
    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    
    /* Border Radius */
    --radius-sm: 0.375rem;  /* 6px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Checkout Header */
.checkout-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Simplified Progress */
.checkout-progress-simple {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    border: 1px solid var(--color-gray-200);
}

.progress-simple {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.progress-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    white-space: nowrap;
}

.progress-bar-simple {
    width: 120px;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill-simple {
    height: 100%;
    background: var(--color-gray-800);
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Main Cards */
.checkout-main-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.checkout-step-content {
    padding: var(--space-6);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.step-section .step-header {
    border-bottom: 1px solid var(--color-gray-100);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-6);
}

/* Typography */
.checkout-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
    margin: 0;
}

.checkout-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    line-height: var(--line-height-normal);
    margin: var(--space-1) 0 0 0;
}

.step-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
    margin: 0;
}

.step-description {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    line-height: var(--line-height-normal);
    margin: var(--space-1) 0 0 0;
}

.step-label {
    font-size: 10px;
    font-weight: var(--font-weight-normal);
    color: var(--color-gray-500);
    letter-spacing: 0.02em;
    margin-top: var(--space-2);
}

/* Sidebar */
.checkout-sidebar {
    background: transparent;
}

/* Modern Order Summary Styles */
.order-summary-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

.order-summary-header {
    padding: var(--space-5) var(--space-5) var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-gray-100);
}

.order-summary-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin: 0;
}

.order-summary-content {
    padding: var(--space-4) var(--space-5) var(--space-5) var(--space-5);
}

/* Modern Order Items */
.order-item-modern {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.order-item-modern:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.order-item-modern.discount {
    color: var(--color-success);
}

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

.order-item-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-1);
}

.order-item-modern.discount .order-item-name {
    color: var(--color-success);
}

.order-item-details {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    line-height: var(--line-height-normal);
}

.order-item-details > div {
    margin-bottom: 2px;
}

.order-item-details > div:last-child {
    margin-bottom: 0;
}

.order-item-modern.discount .order-item-details {
    color: var(--color-success);
}

.order-item-price-modern {
    text-align: right;
    margin-left: var(--space-4);
    flex-shrink: 0;
}

.price-amount {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
}

.price-amount.discount {
    color: var(--color-success);
}

.price-period {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    display: block;
    margin-top: 2px;
}

/* Billing Selector */
.billing-selector {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-gray-100);
    margin-bottom: var(--space-2);
}

.billing-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
    display: block;
}

.billing-select {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-size: var(--font-size-xs);
    color: var(--color-gray-900);
    transition: border-color 0.15s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-2) center;
    background-repeat: no-repeat;
    background-size: 14px;
    padding-right: var(--space-8);
}

.billing-select:focus {
    border-color: var(--color-gray-900);
    outline: none;
    box-shadow: 0 0 0 2px rgba(39, 39, 42, 0.1);
}

/* Modern Order Total */
.order-total-modern {
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-top: var(--space-4);
    border: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.order-total-content {
    flex: 1;
}

.order-total-label {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-1);
}

.order-total-billing {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    margin: 0;
}

.order-total-amount-wrapper {
    text-align: right;
    margin-left: var(--space-4);
}

.order-total-amount {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
    margin-bottom: 2px;
}

.order-total-period {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
}

/* Trust Indicators */
.checkout-trust-indicators {
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    border: 1px solid var(--color-gray-200);
}

.trust-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-2);
}

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

.trust-item-icon {
    color: var(--color-success);
    margin-right: var(--space-2);
    flex-shrink: 0;
}

.trust-item-text {
    font-size: 11px;
    color: var(--color-gray-600);
    line-height: var(--line-height-normal);
}

/* Footer */
.checkout-footer {
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

/* Buttons */
.btn-checkout-primary {
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-900);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    padding: var(--space-3) var(--space-5);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
}

.btn-checkout-primary:hover {
    background: var(--color-gray-800);
    border-color: var(--color-gray-800);
    color: var(--color-white);
    text-decoration: none;
}

.btn-checkout-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

.btn-checkout-primary:disabled {
    background: var(--color-gray-300);
    border-color: var(--color-gray-300);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

.btn-checkout-secondary {
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-700);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    padding: var(--space-4) var(--space-6);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.btn-checkout-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
    text-decoration: none;
}

/* Form Controls */
.checkout-form-group {
    margin-bottom: var(--space-6);
}

.checkout-form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
    display: block;
    line-height: var(--line-height-tight);
}

.checkout-form-control {
    width: 100%;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background: var(--color-white);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkout-form-control:focus {
    border-color: var(--color-gray-900);
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

.checkout-form-control::placeholder {
    color: var(--color-gray-400);
}

.checkout-form-help {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
    line-height: var(--line-height-normal);
}

/* Card Selector Styles */
.config-card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--color-white);
}

.config-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-sm);
}

.config-card.selected {
    border-color: var(--color-gray-900);
    background: var(--color-white);
    box-shadow: 0 0 0 1px var(--color-gray-900);
}

/* Header back button improvements */
.checkout-header .btn-link {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    color: var(--color-gray-600);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.checkout-header .btn-link:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
    text-decoration: none;
}

/* Step navigation buttons */
.step-header .btn-outline-secondary {
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-600);
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-header .btn-outline-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
}

/* Responsive Design */
@media (max-width: 991.98px) {
    .checkout-step-content {
        padding: var(--space-5);
        background-color: var(--color-white);
        border: 1px solid var(--color-gray-200);
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }
    
    .checkout-progress-container {
        padding: var(--space-5);
    }
    
    .step-indicator {
        width: 26px;
        height: 26px;
        font-size: 10px;
    }
    
    .checkout-title {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 767.98px) {
    .checkout-step-content {
        padding: var(--space-4);
        background-color: var(--color-white);
        border: 1px solid var(--color-gray-200);
        border-radius: 12px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }
    
    .checkout-progress-container {
        padding: var(--space-4);
    }
    
    .checkout-main-card {
        border-radius: var(--radius-md);
        border: none;
        box-shadow: var(--shadow-xs);
    }
    
    .order-summary-card {
        border-radius: var(--radius-md);
        border: none;
        box-shadow: var(--shadow-xs);
    }
    
    .checkout-title {
        font-size: var(--font-size-sm);
    }
    
    .step-title {
        font-size: var(--font-size-sm);
    }
    
    .step-indicator {
        width: 24px;
        height: 24px;
        font-size: 9px;
    }
    
    .step-label {
        font-size: 9px;
    }
    
    .order-total-amount {
        font-size: var(--font-size-base);
    }
    
    /* Mobile header adjustments */
    .checkout-header .col-4:first-child {
        flex: 0 0 auto;
        width: auto;
    }
    
    .checkout-header .col-4:nth-child(2) {
        flex: 1;
        width: auto;
        max-width: none;
    }
    
    .checkout-header .col-4:last-child {
        flex: 0 0 auto;
        width: auto;
    }
    
    .checkout-header .btn-link span {
        display: none;
    }
    
    .checkout-header .btn-link {
        padding: var(--space-2);
    }
}

/* Focus and accessibility improvements */
.checkout-focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

/* Loading States */
.checkout-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.checkout-spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--color-gray-200);
    border-top: 2px solid var(--color-gray-900);
    border-radius: 50%;
    animation: checkout-spin 1s linear infinite;
}

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

/* Utility classes */
.checkout-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--space-8) 0;
}

.checkout-text-muted {
    color: var(--color-gray-500);
}

.checkout-text-small {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-normal);
}

/* Enhanced Visual Hierarchy */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #e5e7eb, transparent);
    margin: 32px 0;
}

/* Success States */
.checkout-success-icon {
    color: #10b981;
}

.checkout-error-icon {
    color: #ef4444;
}

/* Payment Method Cards */
.payment-method-card {
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    background: white;
    position: relative;
    z-index: 10;
}

.payment-method-card:hover {
    border-color: #7f02f7;
    box-shadow: 0 2px 8px 0 rgba(127, 2, 247, 0.15);
}

.payment-method-card.selected {
    border-color: #7f02f7;
    background: rgba(127, 2, 247, 0.02);
}

/* Minimal Stripe Element Styling for Testing */

/* Coupon Input */
.coupon-input-group {
    display: flex;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    background: white;
    position: relative;
    z-index: 10;
}

.coupon-input-group input {
    border: none;
    outline: none;
    padding: 12px 16px;
    flex: 1;
    background: transparent;
}

.coupon-input-group button {
    border: none;
    background: #7f02f7;
    color: white;
    padding: 12px 20px;
    font-weight: 600;
    transition: background 0.2s ease;
}

.coupon-input-group button:hover {
    background: #6d28d9;
}

/* Order Summary Improvements */
.order-item {
    padding: 16px 0;
    border-bottom: 1px solid #f3f4f6;
}

.order-item:last-child {
    border-bottom: none;
}

.order-total {
    background: #f8fafc;
    padding: 20px;
    border-radius: 12px;
    margin-top: 16px;
    border: 1px solid #e2e8f0;
}

/* Tooltips and Help Text */
.checkout-tooltip {
    position: relative;
    cursor: help;
}

.checkout-help-text {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 4px;
}

/* Security Badges */
.security-badge {
    display: inline-flex;
    align-items: center;
    background: #f0fdf4;
    color: #059669;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid #bbf7d0;
}

/* Back Button */
.btn-back {
    color: #6b7280;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 8px;
    padding: 8px 12px;
}

.btn-back:hover {
    color: #374151;
    background-color: #f3f4f6;
    text-decoration: none;
}

/* Header back button improvements */
.checkout-header .btn-link {
    transition: all 0.2s ease;
    border-radius: 8px;
    padding: 8px 12px;
}

.checkout-header .btn-link:hover {
    background-color: #f8f9fa;
    text-decoration: none;
    color: #495057;
}

/* Step navigation buttons */
.step-header .btn-outline-secondary {
    border: 1px solid #e5e7eb;
    color: #6b7280;
    transition: all 0.2s ease;
}

.step-header .btn-outline-secondary:hover {
    background-color: #f8f9fa;
    border-color: #d1d5db;
    color: #374151;
}

/* Mobile responsive adjustments for header */
@media (max-width: 767.98px) {
    .checkout-header .col-4:first-child {
        flex: 0 0 auto;
        width: auto;
    }
    
    .checkout-header .col-4:nth-child(2) {
        flex: 1;
        width: auto;
        max-width: none;
    }
    
    .checkout-header .col-4:last-child {
        flex: 0 0 auto;
        width: auto;
    }
    
    .checkout-header .btn-link span {
        display: none;
    }
    
    .checkout-header .btn-link {
        padding: 8px;
    }
}

/* Environment Server Selection Styles */
.environment-selectors {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-bottom: var(--space-6);
}

.environment-selector-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.environment-badge {
    display: inline-block;
}

.environment-badge .badge-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    color: var(--color-gray-700);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: all 0.15s ease;
    line-height: 1;
}

.server-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-size: var(--font-size-sm);
    color: var(--color-gray-900);
    transition: border-color 0.15s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: var(--space-12);
}

.server-select:focus {
    border-color: var(--color-gray-900);
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

/* Environment dot indicators */

.env-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.env-dot.production {
    background: #dc2626;
}

.env-dot.staging {
    background: #059669;
}

.env-dot.integration {
    background: #d97706;
}

.env-name {
    font-size: var(--font-size-xs);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
    min-width: 70px;
}

.env-config {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    flex: 1;
}

/* Compact Support Level Styles */
.support-level-section {
    padding-bottom: var(--space-6);
}

.support-selector-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.support-option-compact {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.support-option-compact:hover {
    border-color: var(--color-gray-900);
    box-shadow: var(--shadow-xs);
}

.support-option-compact.selected {
    border-color: var(--color-gray-900);
    background: var(--color-gray-50);
}

.support-option-content {
    flex: 1;
}

.support-option-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-1);
}

.support-option-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
}

.support-option-price {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.support-option-description {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    line-height: var(--line-height-normal);
}

.support-option-radio {
    margin-left: var(--space-4);
    flex-shrink: 0;
}

/* Compact Add-ons Styles */
.addons-selector-compact {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.addon-option-compact {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.addon-option-compact:hover {
    border-color: var(--color-gray-900);
    box-shadow: var(--shadow-xs);
}

.addon-option-compact.selected {
    border-color: var(--color-gray-900);
    background: var(--color-gray-50);
}

.addon-option-content {
    flex: 1;
}

.addon-option-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-1);
}

.addon-option-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
}

.addon-option-price {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.addon-option-description {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    line-height: var(--line-height-normal);
}

.addon-option-checkbox {
    margin-left: var(--space-4);
    flex-shrink: 0;
}

.addon-checkbox {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    border: 2px solid var(--color-gray-300);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    display: inline-block;
    vertical-align: top;
}

.addon-checkbox:checked {
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-900);
}

.addon-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.addon-checkbox:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

/* Mobile Responsive Adjustments */
@media (max-width: 767.98px) {
    .support-selector-compact {
        grid-template-columns: 1fr;
    }
    
    .support-level-section {
        padding-bottom: var(--space-5);
    }
    
    .support-option-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
    
    .support-option-price {
        font-size: var(--font-size-xs);
    }
    
    .addon-option-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
    
    .addon-option-price {
        font-size: var(--font-size-xs);
    }
    
    .environment-selectors {
        gap: var(--space-3);
        padding-bottom: var(--space-5);
    }
    
    .progress-simple {
        flex-direction: column;
        align-items: flex-end;
        gap: var(--space-2);
    }
    
    .progress-bar-simple {
        width: 80px;
    }
    
    .order-summary-header {
        padding: var(--space-4);
    }
    
    .order-summary-content {
        padding: var(--space-3) var(--space-4) var(--space-4) var(--space-4);
    }
    
    .order-item-modern {
        padding: var(--space-3) 0;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
    }
    
    .order-item-price-modern {
        text-align: left;
        margin-left: 0;
    }
    
    .order-total-modern {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    .order-total-amount-wrapper {
        text-align: left;
        margin-left: 0;
    }
    
    .order-total-amount {
        font-size: var(--font-size-lg);
    }
}

/* Modern Contact Information Styles */
.contact-information-modern {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-section {
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-gray-100);
}

.contact-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Form Styles */
.email-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group-modern {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label-modern {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    line-height: var(--line-height-tight);
}

.required-asterisk {
    color: #dc2626;
}

.form-input-modern {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-size: var(--font-size-sm);
    color: var(--color-gray-900);
    transition: all 0.15s ease;
    line-height: var(--line-height-normal);
}

.form-input-modern:focus {
    border-color: var(--color-gray-900);
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

.form-input-modern.error {
    border-color: #dc2626;
}

.form-input-modern.error:focus {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.form-input-modern::placeholder {
    color: var(--color-gray-400);
}

.error-message {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid rgba(220, 38, 38, 0.2);
    font-size: var(--font-size-xs);
    margin-top: var(--space-3);
}

/* Coupon Styles */
.coupon-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.coupon-input-group {
    display: flex;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-white);
    transition: border-color 0.15s ease;
}

.coupon-input-group:focus-within {
    border-color: var(--color-gray-900);
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

.coupon-input {
    flex: 1;
    border: none;
    outline: none;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-900);
    background: transparent;
}

.coupon-input::placeholder {
    color: var(--color-gray-400);
}

.coupon-apply-btn {
    border: none;
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: background 0.15s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.coupon-apply-btn:hover:not(:disabled) {
    background: var(--color-gray-800);
}

.coupon-apply-btn:disabled {
    background: var(--color-gray-300);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

.loading-spinner {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--color-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.coupon-message {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    border: 1px solid;
}

.coupon-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #059669;
    border-color: rgba(34, 197, 94, 0.2);
}

.coupon-message.error {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
    border-color: rgba(220, 38, 38, 0.2);
}

.coupon-applied {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.coupon-applied-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.coupon-applied-info {
    flex: 1;
}

.coupon-code {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: #059669;
    margin-bottom: var(--space-1);
}

.coupon-discount {
    font-size: var(--font-size-xs);
    color: #059669;
}

.coupon-remove-btn {
    background: none;
    border: 1px solid #059669;
    color: #059669;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.15s ease;
}

.coupon-remove-btn:hover {
    background: #059669;
    color: var(--color-white);
}

/* Terms and Checkbox */
.terms-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background-color 0.15s ease;
}

.terms-checkbox:hover {
    background-color: var(--color-gray-50);
}

.checkbox-modern {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    border: 2px solid var(--color-gray-300);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
    margin-top: 2px;
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    display: inline-block;
    vertical-align: top;
}

.checkbox-modern:checked {
    background-color: var(--color-gray-900);
    border-color: var(--color-gray-900);
}

.checkbox-modern:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.checkbox-modern:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(39, 39, 42, 0.12);
}

.checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: var(--line-height-normal);
    cursor: pointer;
}

.terms-link {
    color: var(--color-gray-900);
    text-decoration: underline;
    font-weight: var(--font-weight-medium);
    transition: color 0.15s ease;
}

.terms-link:hover {
    color: var(--color-gray-700);
    text-decoration: underline;
}

/* Navigation */
.contact-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-gray-200);
}

.btn-secondary-modern {
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-700);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-secondary-modern:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-900);
}

.btn-primary-modern {
    background: var(--color-gray-900);
    border: 1px solid var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-primary-modern:hover:not(:disabled) {
    background: var(--color-gray-800);
    border-color: var(--color-gray-800);
}

.btn-primary-modern:focus {
    background: var(--color-gray-900) !important;
    border-color: var(--color-gray-900) !important;
    color: var(--color-white) !important;
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(127, 2, 247, 0.1);
}

.btn-primary-modern:focus:hover:not(:disabled) {
    background: var(--color-gray-800) !important;
    border-color: var(--color-gray-800) !important;
    color: var(--color-white) !important;
}

.btn-primary-modern:active {
    background: var(--color-gray-800) !important;
    border-color: var(--color-gray-800) !important;
    color: var(--color-white) !important;
    transform: translateY(1px);
}

.btn-primary-modern:focus-visible {
    background: var(--color-gray-900) !important;
    border-color: var(--color-gray-900) !important;
    color: var(--color-white) !important;
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary-modern:disabled {
    background: var(--color-gray-300);
    border-color: var(--color-gray-300);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

/* Mobile Responsive - Large Mobile */
@media (max-width: 767.98px) {
    /* Mobile-friendly checkbox styling */
    .checkbox-modern,
    .addon-checkbox {
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        border-width: 2px;
        margin-top: 0;
    }
    
    .checkbox-modern:checked::after,
    .addon-checkbox:checked::after {
        font-size: 12px;
    }
    
    /* Terms checkbox container */
    .terms-checkbox {
        align-items: flex-start;
        gap: var(--space-4);
        padding: var(--space-3);
        border-radius: var(--radius-md);
        background: var(--color-gray-50);
        border: 1px solid var(--color-gray-200);
        margin: var(--space-3) 0;
    }
    
    .checkbox-label {
        font-size: 16px; /* Prevent iOS zoom */
        line-height: var(--line-height-relaxed);
        margin-top: 2px;
    }
    
    /* RSuite checkbox overrides for mobile */
    .rs-checkbox {
        margin-right: var(--space-3) !important;
    }
    
    .rs-checkbox .rs-checkbox-checker {
        padding: 0 !important;
    }
    
    .rs-checkbox-checker label {
        min-height: 24px !important;
        font-size: 16px !important;
    }
    
    .rs-checkbox-checker label::before {
        width: 20px !important;
        height: 20px !important;
        min-width: 20px !important;
        min-height: 20px !important;
        border-width: 2px !important;
        border-radius: 3px !important;
    }
    
    .rs-checkbox-checker label::after {
        font-size: 12px !important;
        top: 2px !important;
        left: 5px !important;
    }
    /* Mobile viewport optimization */
    html {
        scroll-padding-bottom: 140px;
        scroll-behavior: smooth;
    }
    
    /* Prevent browser zoom and optimize for mobile */
    body {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
        position: relative;
        overflow-x: hidden;
    }
    
    /* Disable tap highlighting and improve touch interaction */
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    /* Consistent form element styling */
    input, select, textarea {
        -webkit-appearance: none;
        appearance: none;
    }
    
    /* Remove iframe restrictions for testing */
    
    /* Checkout Page Mobile Layout */
    .checkout-main-card {
        margin-bottom: 140px; /* Space for floating buttons */
    }
    
    /* Add padding to checkout step content for floating buttons */
    .checkout-step-content {
        padding-bottom: 140px; /* Extra space for floating buttons */
        transition: padding-bottom 0.3s ease;
    }
    
    /* Reduce padding when FAB is hidden */
    body:has(.mobile-contact-navigation.hide-fab) .checkout-step-content {
        padding-bottom: 40px;
    }
    
    .checkout-sidebar {
        position: static !important;
    }
    
    /* Compact Order Summary for Mobile */
    .order-summary-card {
        background: white;
        border-radius: 12px;
        border: 1px solid var(--color-gray-200);
        margin-bottom: var(--space-3);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    }
    
    .order-summary-header {
        padding: var(--space-3);
        border-bottom: 1px solid var(--color-gray-200);
        margin-bottom: 0;
    }
    
    .order-summary-title {
        font-size: 1.125rem;
        font-weight: 700;
        margin-bottom: 0;
        color: var(--color-gray-800);
    }
    
    .order-summary-content {
        padding: var(--space-3);
    }
    
    /* Collapsed state on mobile */
    .order-summary-content.d-none {
        display: none !important;
    }
    
    @media (min-width: 992px) {
        .order-summary-content.d-none {
            display: block !important;
        }
    }
    
    .order-item-modern {
        padding: var(--space-2) 0;
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .order-item-modern:last-child {
        border-bottom: none;
    }
    
    .order-item-info {
        margin-bottom: var(--space-1);
    }
    
    .order-item-name {
        font-size: 0.9rem;
        font-weight: 600;
    }
    
    .order-item-details {
        font-size: 0.8rem;
        color: var(--color-gray-600);
        line-height: 1.2;
    }
    
    .order-item-price-modern {
        text-align: right;
    }
    
    .price-amount {
        font-size: 0.9rem;
        font-weight: 600;
    }
    
    .price-period {
        font-size: 0.8rem;
        color: var(--color-gray-600);
    }
    
    .order-total-modern {
        background: var(--color-gray-50);
        padding: var(--space-3);
        border-radius: 8px;
        margin-top: var(--space-3);
    }
    
    .order-total-amount {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--color-primary);
    }
    
    .order-total-period {
        font-size: 0.9rem;
        color: var(--color-gray-600);
    }
    
    /* Mobile Progress */
    .checkout-progress-simple {
        margin-bottom: var(--space-3);
    }
    
    .checkout-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
    
    .progress-text {
        font-size: 0.875rem;
        color: var(--color-gray-600);
        margin-bottom: 0.25rem;
        display: block;
    }
    
    .progress-bar-simple {
        height: 4px;
        background: var(--color-gray-200);
        border-radius: 2px;
        overflow: hidden;
        width: 100px;
    }
    
    .progress-fill-simple {
        height: 100%;
        background: var(--color-primary);
        transition: width 0.3s ease;
    }
    
    /* Mobile Continue Button */
    .mobile-continue-button {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--color-gray-200);
        padding: var(--space-3);
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .btn-checkout-primary {
        width: 100%;
        min-height: 50px;
        background: var(--color-primary);
        color: white;
        border: none;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
    }
    
    .btn-checkout-primary:hover:not(:disabled) {
        background: var(--color-primary-dark);
        transform: translateY(-1px);
    }
    
    .btn-checkout-primary:disabled {
        background: var(--color-gray-300);
        color: var(--color-gray-500);
        cursor: not-allowed;
    }
    
    /* Mobile Contact Navigation - Floating Action Buttons */
    .mobile-contact-navigation {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--color-gray-200);
        padding: var(--space-3);
        padding-bottom: calc(var(--space-3) + env(safe-area-inset-bottom)); /* Safe area for devices with home indicator */
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        display: flex;
        flex-direction: column;
        gap: var(--space-3);
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    
    /* FAB always visible for testing */
    
    .mobile-contact-navigation .btn-primary-modern,
    .mobile-contact-navigation .btn-secondary-modern {
        min-height: 52px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
        margin-bottom: 0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        position: relative;
    }
    
    .mobile-contact-navigation .btn-primary-modern {
        background: var(--color-primary);
        color: white;
        border: none;
    }
    
    .mobile-contact-navigation .btn-primary-modern:hover:not(:disabled) {
        background: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(127, 2, 247, 0.3);
    }
    
    .mobile-contact-navigation .btn-primary-modern:focus {
        background: var(--color-primary) !important;
        color: white !important;
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
        box-shadow: 0 0 0 4px rgba(127, 2, 247, 0.1);
    }
    
    .mobile-contact-navigation .btn-primary-modern:focus:hover:not(:disabled) {
        background: var(--color-primary) !important;
        color: white !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(127, 2, 247, 0.3);
    }
    
    .mobile-contact-navigation .btn-primary-modern:active {
        background: var(--color-primary) !important;
        color: white !important;
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(127, 2, 247, 0.2);
    }
    
    .mobile-contact-navigation .btn-primary-modern:focus-visible {
        background: var(--color-primary) !important;
        color: white !important;
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    
    .mobile-contact-navigation .btn-primary-modern:disabled {
        background: var(--color-gray-300);
        color: var(--color-gray-500);
        cursor: not-allowed;
    }
    
    .mobile-contact-navigation .btn-secondary-modern {
        background: transparent;
        color: var(--color-gray-700);
        border: 1px solid var(--color-gray-300);
    }
    
    .mobile-contact-navigation .btn-secondary-modern:hover {
        background: var(--color-gray-50);
        border-color: var(--color-gray-400);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .contact-information-modern {
        gap: var(--space-5);
        padding: var(--space-4);
        padding-bottom: 140px; /* Space for floating buttons */
        transition: padding-bottom 0.3s ease;
    }
    
    /* When Stripe is focused, reduce bottom padding */
    .stripe-focused .contact-information-modern {
        padding-bottom: 40px;
    }
    
    .contact-section {
        padding-bottom: var(--space-5);
    }
    
    .email-inputs {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .coupon-input-group {
        flex-direction: column;
    }
    
    .coupon-apply-btn {
        border-top: 1px solid var(--color-gray-300);
        border-radius: 0;
        min-height: 48px; /* Touch-friendly button height */
    }
    
    .coupon-applied-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .contact-navigation {
        flex-direction: column-reverse;
        gap: var(--space-3);
    }
    
    .btn-secondary-modern,
    .btn-primary-modern {
        width: 100%;
        justify-content: center;
        min-height: 48px; /* Touch-friendly minimum */
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Order Summary Mobile Optimization */
    .order-summary-modern {
        padding: var(--space-4);
        margin-bottom: var(--space-4);
    }
    
    .order-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    
    .order-item-details {
        width: 100%;
    }
    
    .order-item-price {
        align-self: flex-end;
        font-weight: 600;
    }
    
    /* Remove form input restrictions for testing */
    
    /* Checkout Header Mobile */
    .checkout-header {
        padding: var(--space-3) 0;
        background: white;
        border-bottom: 1px solid var(--color-gray-200);
        position: sticky;
        top: 0;
        z-index: 50;
    }
    
    .checkout-header .container-fluid {
        padding: 0 var(--space-3);
    }
    
    .checkout-header .col-4 {
        flex: 0 0 auto;
        width: 33.333333%;
    }
    
    .checkout-header .col-4:first-child {
        text-align: left;
    }
    
    .checkout-header .col-4:last-child {
        text-align: right;
    }
    
    .checkout-header img {
        max-height: 24px;
    }
    
    .checkout-header .small {
        font-size: 0.75rem;
    }
    
    /* Payment Method Mobile */
    .payment-method-container {
        padding: var(--space-4);
    }
    
    .billing-info-section {
        gap: var(--space-3);
    }
    
    /* Configuration Mobile */
    .configuration-section {
        padding: var(--space-4);
    }
    
    .server-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .server-table {
        min-width: 500px; /* Minimum width for table readability */
    }
    
    /* No Stripe styling for testing */
}

/* Mobile Responsive - Small Mobile */
@media (max-width: 575.98px) {
    /* Extra small mobile devices */
    .contact-information-modern {
        padding: var(--space-2);
        gap: var(--space-3);
    }
    
    .order-summary-card {
        margin-bottom: var(--space-2);
    }
    
    .order-summary-header,
    .order-summary-content {
        padding: var(--space-2);
    }
    
    .checkout-header .container-fluid {
        padding: 0 var(--space-2);
    }
    
    .checkout-title {
        font-size: 1.25rem;
    }
    
    .mobile-continue-button {
        padding: var(--space-2);
    }
    
    .btn-checkout-primary {
        min-height: 48px;
        font-size: 15px;
    }
    
    /* Smaller text adjustments for very small screens */
    .step-title {
        font-size: 1.25rem;
    }
    
    .step-description {
        font-size: 0.875rem;
    }
    
    .order-total-amount {
        font-size: 1.125rem;
    }
    
    .order-item-name {
        font-size: 0.875rem;
    }
    
    .order-item-details {
        font-size: 0.75rem;
    }
    
    .price-amount {
        font-size: 0.875rem;
    }
    
    /* Configuration step mobile optimization */
    .configuration-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }
    
    .server-card,
    .addon-card,
    .support-card {
        padding: var(--space-2);
    }
    
    /* Tighter checkout progress */
    .progress-bar-simple {
        width: 80px;
    }
    
    .progress-text {
        font-size: 0.8rem;
    }
}

/* Mobile Responsive - Landscape */
@media (max-width: 767.98px) and (orientation: landscape) {
    /* Landscape mobile adjustments */
    .checkout-container {
        min-height: 100vh;
    }
    
    .contact-navigation {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .btn-secondary-modern,
    .btn-primary-modern {
        width: auto;
        min-width: 120px;
    }
}

/* Touch-friendly improvements for all mobile */
@media (max-width: 991.98px) {
    /* Larger touch targets */
    button,
    .btn,
    .form-control,
    .form-select,
    select,
    input[type="submit"],
    input[type="button"] {
        min-height: 44px;
    }
    
    /* Better spacing for touch */
    .form-group {
        margin-bottom: var(--space-4);
    }
    
    /* Improve text readability */
    body {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .text-small {
        font-size: 14px; /* Still readable on mobile */
    }
}

/* Payment Processing Overlay */
.payment-processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.payment-processing-content {
    text-align: center;
    max-width: 400px;
    padding: var(--space-8);
}

.security-loader {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-6);
    position: relative;
}

.security-loader-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-gray-200);
    border-radius: 50%;
}

.security-loader-circle.active {
    border-color: transparent;
    border-top-color: var(--color-primary);
    animation: securityRotate 1.2s linear infinite;
}

.security-loader-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: 50%;
    animation: securityPulse 2s ease-in-out infinite;
}

.security-loader-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

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

@keyframes securityPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.8;
    }
}

.processing-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
}

.processing-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
    line-height: var(--line-height-relaxed);
}

.security-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    text-align: left;
    margin-top: var(--space-8);
}

.security-step {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.security-step.active {
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
}

.security-step.completed {
    background: var(--color-success-light);
    border: 1px solid var(--color-success);
}

.security-step-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.security-step.active .security-step-icon {
    background: var(--color-primary);
    animation: stepPulse 1.5s ease-in-out infinite;
}

.security-step.completed .security-step-icon {
    background: var(--color-success);
}

.security-step-icon svg {
    width: 14px;
    height: 14px;
    color: var(--color-white);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.security-step.active .security-step-icon svg,
.security-step.completed .security-step-icon svg {
    opacity: 1;
}

.security-step-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
}

.security-step.active .security-step-text {
    color: var(--color-primary);
}

.security-step.completed .security-step-text {
    color: var(--color-success);
}

@keyframes stepPulse {
    0%, 100% { 
        box-shadow: 0 0 0 0 rgba(127, 2, 247, 0.4);
    }
    50% { 
        box-shadow: 0 0 0 8px rgba(127, 2, 247, 0);
    }
}

/* Disabled state for all buttons during processing */
.payment-processing .btn-primary-modern,
.payment-processing .btn-secondary-modern,
.payment-processing .coupon-apply-btn,
.payment-processing button {
    pointer-events: none;
    opacity: 0.6;
    cursor: not-allowed;
}

/* Error message styling */
.payment-error-message {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    animation: errorShake 0.5s ease-in-out;
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* Modern Checkout Success Styles */
.checkout-success-modern {
    background: var(--color-gray-50);
    min-height: 100vh;
    padding: var(--space-12) 0;
    display: flex;
    align-items: center;
}

.success-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: var(--space-12);
    max-width: 100%;
}

.success-header {
    margin-bottom: var(--space-8);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin: 0 auto var(--space-6);
}

.success-icon.bg-warning {
    background: #f59e0b;
}

.success-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
}

.success-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

.success-section {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-gray-100);
}

.success-section:last-of-type {
    border-bottom: none;
    margin-bottom: var(--space-8);
}

.section-header {
    margin-bottom: var(--space-5);
}

.order-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row.total-row {
    padding-top: var(--space-4);
    border-top: 2px solid var(--color-gray-200);
    border-bottom: none;
    margin-top: var(--space-2);
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
}

.detail-value {
    font-size: var(--font-size-sm);
    color: var(--color-gray-900);
    font-weight: var(--font-weight-medium);
}

.detail-value.total-amount {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
}

.payment-method {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.payment-icon {
    width: 24px;
    height: auto;
}

.next-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.step-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-1);
    line-height: var(--line-height-tight);
}

.step-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: var(--line-height-normal);
    margin: 0;
}

.success-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
}

.success-actions .btn-primary-modern,
.success-actions .btn-secondary-modern {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    min-width: 140px;
    justify-content: center;
}

.success-actions .btn-primary-modern:hover,
.success-actions .btn-secondary-modern:hover {
    text-decoration: none;
}

.success-actions .btn-primary-modern:hover {
    color: var(--color-white) !important;
}

.success-actions .btn-secondary-modern:hover {
    color: var(--color-gray-900) !important;
}

.support-notice {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-top: var(--space-6);
}

.support-notice p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: var(--line-height-normal);
}

/* Text utilities for checkout success */
.checkout-text-small {
    font-size: var(--font-size-sm);
}

.checkout-text-muted {
    color: var(--color-gray-600);
}

/* Mobile Responsive for Success Page */
@media (max-width: 767.98px) {
    .checkout-success-modern {
        padding: var(--space-8) 0;
    }
    
    .success-card {
        padding: var(--space-8) var(--space-6);
        margin: 0 var(--space-4);
    }
    
    .success-title {
        font-size: var(--font-size-2xl);
    }
    
    .success-subtitle {
        font-size: var(--font-size-base);
    }
    
    .success-icon {
        width: 64px;
        height: 64px;
        margin-bottom: var(--space-5);
    }
    
    .success-section {
        margin-bottom: var(--space-6);
        padding-bottom: var(--space-5);
    }
    
    .section-header {
        margin-bottom: var(--space-4);
    }
    
    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
        padding: var(--space-3) 0;
    }
    
    .detail-label {
        font-size: var(--font-size-xs);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
    
    .detail-value {
        font-size: var(--font-size-base);
    }
    
    .detail-value.total-amount {
        font-size: var(--font-size-xl);
    }
    
    .next-steps {
        gap: var(--space-4);
    }
    
    .step-item {
        gap: var(--space-3);
    }
    
    .step-icon {
        width: 32px;
        height: 32px;
    }
    
    .success-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .success-actions .btn-primary-modern,
    .success-actions .btn-secondary-modern {
        width: 100%;
    }
}

/* Order Summary Coupon Styles */
.coupon-section {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid #e9ecef;
}

.coupon-section h6 {
    color: #495057;
    margin-bottom: 8px;
    font-weight: 600;
}

.coupon-section .text-muted {
    color: #6c757d !important;
    font-size: 13px;
}

.coupon-input-wrapper {
    position: relative;
    background: white;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #dee2e6;
    transition: border-color 0.3s ease;
}

.coupon-input-wrapper:focus-within {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.coupon-message.bg-success {
    background: rgba(25, 135, 84, 0.1) !important;
    color: #198754;
    border: 1px solid rgba(25, 135, 84, 0.2);
}

.coupon-message.bg-danger {
    background: rgba(220, 53, 69, 0.1) !important;
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}