/**
 * MAMOU Home Decor - Checkout Styles (v5)
 * Professional checkout page styling with Phase 1 trust elements
 * Optimized for conversion and mobile responsiveness
 *
 * v5 Updates (2025-12-10):
 * - Brand gold color consistency across all interactive elements
 * - Accessible SVG icons replacing emojis
 * - Improved visual hierarchy and heading prominence
 * - Enhanced mobile readability for progress steps
 * - Fixed height issues resolved for responsive layouts
 * - WCAG AA compliant color contrast
 */

/* ============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* Colors - MAMOU Brand Palette (Gold/Bronze Luxury Theme) */
    --color-primary: #9A7B2C;          /* Gold/Bronze - headers, buttons */
    --color-primary-dark: #7A6223;     /* Darker gold for hover states */
    --color-primary-light: #B8944A;    /* Lighter gold */

    --color-accent: #9A7B2C;           /* Gold - CTAs, highlights */
    --color-accent-dark: #7A6223;      /* Darker gold for hover */
    --color-accent-light: #C4A962;     /* Lighter gold */

    --color-secondary: #2D2D2D;        /* Dark charcoal - secondary elements */
    --color-danger: #dc2626;
    --color-warning: #f59e0b;

    /* Promotional colors (for special badges) */
    --color-promo-gold: #C4A962;
    --color-promo-bronze: #9A7B2C;
    --color-promo-dark: #2D2D2D;

    /* Neutrals - WCAG AAA Compliant Text Colors */
    --color-text: #2D2D2D;             /* Primary text: Dark charcoal matching logo */
    --color-text-light: #555555;       /* Secondary text */
    --color-border: #e5e7eb;
    --color-background: #FAFAFA;       /* Warm off-white background */
    --color-white: #ffffff;

    /* Gradient */
    --gradient-primary: linear-gradient(135deg, #9A7B2C 0%, #C4A962 100%);
    --gradient-subtle: linear-gradient(180deg, #FAFAFA 0%, #F5F3EE 50%, #FAFAFA 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--gradient-subtle);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Decorative gradient accent at top */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 1000;
}

/* ============================================
   HEADER
   ============================================ */
.checkout-header {
    background: linear-gradient(135deg, #FAFAFA 0%, #F5F3EE 100%);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
    margin-bottom: var(--spacing-xl);
    margin-top: 4px; /* Account for top gradient bar */
    box-shadow: var(--shadow-sm);
}

.checkout-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.logo .tagline {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.85);
}

.secure-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    background: var(--color-background);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.lock-icon {
    font-size: var(--font-size-lg);
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

/* SVG icon styling for accessibility */
.cart-icon,
.lock-icon {
    flex-shrink: 0;
}

.secure-badge svg,
.return-to-cart svg {
    color: inherit;
}

.option-icon svg {
    color: var(--color-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo-link {
    text-decoration: none;
}

.return-to-cart {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.return-to-cart:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.return-to-cart .cart-icon {
    font-size: var(--font-size-base);
}

/* ============================================
   MAIN LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Main Checkout Heading */
.checkout-form-section > h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-primary);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* Right Column - Order Summary Section */
.order-summary-section {
    position: sticky;
    top: 1rem;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 2rem);
    gap: 0.75rem;
}

/* Order Summary Card - Flexbox layout with scrollable cart items */
.order-summary-card {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 220px); /* Leave space for Secure Checkout card */
    min-height: 300px; /* Ensure minimum visibility */
    overflow: hidden; /* Prevent card from scrolling, only cart items scroll */
    /* Visual styles */
    background-color: #fff;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.order-summary-card > h3 {
    flex: 0 0 auto;
    margin-bottom: 0.75rem;
}

/* Scrollable Cart Items Container */
.cart-items-scrollable {
    flex: 1 1 auto;
    overflow-y: auto;
    min-height: 80px;
    max-height: 100%;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
    padding-right: 4px;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.cart-items-scrollable::-webkit-scrollbar {
    width: 6px;
}

.cart-items-scrollable::-webkit-scrollbar-track {
    background: transparent;
}

.cart-items-scrollable::-webkit-scrollbar-thumb {
    background-color: #ddd;
    border-radius: 3px;
}

.cart-items-scrollable::-webkit-scrollbar-thumb:hover {
    background-color: #bbb;
}

/* Cart items inside scrollable container */
.cart-items-scrollable .cart-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Fixed Pricing Section - Always visible at bottom */
.pricing-fixed-section {
    flex: 0 0 auto;
    background: #fff;
}

/* ============================================
   SECURE CHECKOUT CARD (Separate Section)
   ============================================ */
.secure-checkout-card {
    flex: 0 0 auto;
    background: linear-gradient(135deg, #f8fffe 0%, #f0f9ff 100%);
    border: 1px solid #d1fae5;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.secure-checkout-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #065f46;
    margin: 0 0 var(--spacing-sm) 0;
    text-align: center;
}

.secure-checkout-card .certification-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.secure-checkout-card .cert-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.secure-checkout-card .cert-badge:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.secure-checkout-card .cert-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0fdf4;
    border-radius: 50%;
    padding: 2px;
}

.secure-checkout-card .cert-icon svg {
    width: 16px;
    height: 16px;
}

.secure-checkout-card .ssl-badge .cert-icon {
    background: #f0fdf4;
}

.secure-checkout-card .pci-badge .cert-icon {
    background: #eff6ff;
}

.secure-checkout-card .stripe-badge .cert-icon {
    background: #f5f3ff;
}

.secure-checkout-card .cert-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.secure-checkout-card .cert-text strong {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text);
}

.secure-checkout-card .cert-text span {
    font-size: 10px;
    color: var(--color-text-light);
}

.secure-checkout-card .trust-badges-row {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.secure-checkout-card .trust-badges-row .badge {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text);
}

.secure-checkout-card .trust-badges-row .badge .badge-icon {
    font-size: 0.75rem;
}

.secure-checkout-card .verified-badge .badge-icon {
    color: #10b981;
}

.secure-checkout-card .gdpr-badge .badge-icon {
    color: #3b82f6;
}

.secure-checkout-card .security-note {
    font-size: 11px;
    color: #4a5568;
    text-align: center;
    margin: var(--spacing-sm) 0 0 0;
    line-height: 1.4;
}

/* Need Help Link */
.need-help-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    font-size: 13px;
    color: var(--color-text-light);
    text-align: center;
}

.need-help-link a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.need-help-link a:hover {
    text-decoration: underline;
}

.need-help-link .separator {
    color: var(--color-border);
    font-weight: 300;
}

.order-summary-card::-webkit-scrollbar {
    width: 6px;
}

.order-summary-card::-webkit-scrollbar-track {
    background: transparent;
}

.order-summary-card::-webkit-scrollbar-thumb {
    background-color: #ddd;
    border-radius: 3px;
}

/* Trust Elements - Flexible height with max constraint */
.trust-elements-container {
    flex: 1 1 auto;
    max-height: 50vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
    /* Visual styles */
    background-color: #fff;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.trust-elements-container::-webkit-scrollbar {
    width: 6px;
}

.trust-elements-container::-webkit-scrollbar-track {
    background: transparent;
}

.trust-elements-container::-webkit-scrollbar-thumb {
    background-color: #ddd;
    border-radius: 3px;
}

/* Trust Badges - fixed at bottom */
.trust-badges {
    flex: 0 0 auto;
}

/* ============================================
   COMPACT SECURITY BADGES (Simplified)
   ============================================ */
.security-badges-compact {
    background: linear-gradient(135deg, #f8fffe 0%, #f0f9ff 100%);
    border: 1px solid #d1fae5;
    border-radius: var(--radius-md);
    padding: 12px;
    margin-top: 12px;
}

.security-badges-compact .security-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #065f46;
    margin-bottom: 10px;
}

.security-badges-compact .security-header .lock-icon {
    color: #065f46;
}

.security-badges-compact .security-badges-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.security-badges-compact .mini-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 10px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 10px;
    color: #4b5563;
    min-width: 50px;
    transition: border-color 0.2s;
}

.security-badges-compact .mini-badge:hover {
    border-color: #9A7B2C;
}

.security-badges-compact .mini-badge .check-icon {
    color: #2e7d32;
    font-weight: bold;
    font-size: 14px;
}

.security-badges-compact .mini-badge .shield-icon {
    font-size: 14px;
}

/* Legacy - keep for backwards compatibility */
.security-certifications {
    background: linear-gradient(135deg, #f8fffe 0%, #f0f9ff 100%);
    border: 1px solid #d1fae5;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    /* Sticky positioning - stays visible at bottom of trust section */
    position: sticky;
    bottom: 0;
    z-index: 10;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.certifications-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: #065f46;
    margin: 0 0 var(--spacing-xs) 0;
    text-align: center;
}

.certification-badges {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.cert-badge:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.cert-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0fdf4;
    border-radius: 50%;
    padding: 2px;
}

.cert-icon svg {
    width: 16px;
    height: 16px;
}

.ssl-badge .cert-icon {
    background: #f0fdf4;
}

.pci-badge .cert-icon {
    background: #eff6ff;
}

.stripe-badge .cert-icon {
    background: #f5f3ff;
}

.cert-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.cert-text strong {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text);
}

.cert-text span {
    font-size: 10px;
    color: var(--color-text-light);
}

.trust-badges-row {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.trust-badges-row .badge {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text);
}

.trust-badges-row .badge .badge-icon {
    color: #10b981;
    font-size: 0.75rem;
}

.verified-badge .badge-icon {
    color: #10b981 !important;
}

.gdpr-badge .badge-icon {
    color: #3b82f6 !important;
}

.security-note {
    font-size: 11px;
    color: #4a5568;
    text-align: center;
    margin: var(--spacing-xs) 0 0 0;
    line-height: 1.4;
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-border);
    z-index: 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--color-text-light);
    transition: all var(--transition-base);
}

.progress-step.active .step-number {
    background: linear-gradient(135deg, #9A7B2C 0%, #C4A962 100%);
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 2px 10px rgba(154, 123, 44, 0.3);
}

.step-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

.progress-step.active .step-label {
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   MESSAGES
   ============================================ */
.error-message,
.success-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.error-message {
    background-color: #fee;
    border: 1px solid #fcc;
    color: var(--color-danger);
}

.success-message {
    background-color: #efe;
    border: 1px solid #cfc;
    color: var(--color-secondary);
}

/* ============================================
   FORMS
   ============================================ */
.form-section {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.form-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

/* Required field indicator styling */
.form-group label[for="email"]::after,
.form-group label[for="firstName"]::after,
.form-group label[for="lastName"]::after,
.form-group label[for="address1"]::after,
.form-group label[for="city"]::after,
.form-group label[for="postcode"]::after,
.form-group label[for="country"]::after,
.form-group label[for="phone"]::after,
.form-group label[for="billing-firstName"]::after,
.form-group label[for="billing-lastName"]::after,
.form-group label[for="billing-address1"]::after,
.form-group label[for="billing-city"]::after,
.form-group label[for="billing-postcode"]::after,
.form-group label[for="billing-country"]::after {
    content: " *";
    color: var(--color-danger);
    font-weight: 700;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(154, 123, 44, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
}

/* Textarea Styling */
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    resize: vertical;
    min-height: 80px;
    transition: all var(--transition-fast);
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(154, 123, 44, 0.15);
}

/* Field Hints */
.field-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-style: italic;
}

/* Field Errors */
.field-error {
    display: none;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    font-weight: 500;
}

.field-error.visible {
    display: block;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--color-danger);
    background-color: #fef2f2;
}

.form-group input.error:focus,
.form-group select.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Gift Options */
.gift-options {
    margin-bottom: var(--spacing-md);
}

.gift-message-container {
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: #fef7ed;
    border: 1px solid #fed7aa;
    border-radius: var(--radius-md);
    animation: slideDown 0.3s ease-out;
}

.gift-message-container .form-group {
    margin-bottom: var(--spacing-md);
}

.gift-message-container .form-group:last-of-type {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   PHASE 1: PAYMENT METHODS
   ============================================ */
.payment-methods-grid {
    margin-bottom: var(--spacing-sm);
}

.payment-methods-icons {
    display: grid;
    gap: var(--spacing-sm);
}

.payment-method {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.payment-method.recommended {
    border-color: var(--color-primary);
    background-color: rgba(37, 99, 235, 0.03);
}

.payment-method-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.payment-method h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.trust-badge {
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
    font-weight: 600;
}

.payment-icons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.payment-icon {
    height: 30px;
    width: auto;
    min-width: 46px;
    max-width: 60px;
    object-fit: contain;
    object-position: center;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.payment-icon:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

/* Fallback for broken images */
.payment-icon-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 30px;
    min-width: 46px;
    padding: 4px 8px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
}

.recommended-badge {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.payment-methods-note {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-align: center;
}

/* ============================================
   STRIPE PAYMENT ELEMENT
   ============================================ */
.payment-element {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

/* Demo Card Form (shown when Stripe unavailable) */
.demo-card-form {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.card-form-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.card-form-header .card-icon {
    font-size: var(--font-size-lg);
}

.card-form-header .card-label {
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
}

.card-form-header .demo-badge {
    background-color: #fef3c7;
    color: #92400e;
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.card-form-fields {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.card-form-fields .form-group {
    margin-bottom: 0;
}

.card-form-fields label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 4px;
    display: block;
}

.card-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.card-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(154, 123, 44, 0.15);
}

.card-input::placeholder {
    color: #9ca3af;
}

.card-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.demo-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: #f0f9ff;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: #0369a1;
}

.demo-note .info-icon {
    font-size: var(--font-size-base);
}

/* ============================================
   SUBMIT BUTTON
   ============================================ */
.submit-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.submit-button:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.payment-note {
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ============================================
   ORDER SUMMARY
   ============================================ */
/* Note: Core scrollable styles for .order-summary-card are defined above
   in the "Right Column - Order Summary Section" block */

.order-summary-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.cart-items {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.cart-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.cart-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    flex-shrink: 0;
}

.cart-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

.cart-empty p {
    margin-bottom: var(--spacing-md);
}

.continue-shopping-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: background-color var(--transition-fast);
}

.continue-shopping-link:hover {
    background-color: var(--color-primary-dark);
}

/* ============================================
   DISCOUNT CODE SECTION
   ============================================ */
.discount-code-section {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.discount-input-group {
    display: flex;
    gap: var(--spacing-xs);
}

.discount-input-group input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    transition: all var(--transition-fast);
}

.discount-input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(154, 123, 44, 0.15);
}

.discount-input-group input::placeholder {
    color: var(--color-text-light);
}

.apply-discount-btn {
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.apply-discount-btn:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-1px);
}

.apply-discount-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.discount-feedback {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: none;
}

.discount-feedback.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.discount-feedback.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ============================================
   BUSINESS CUSTOMER TOGGLE
   ============================================ */
.business-customer-toggle {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.business-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.business-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.business-checkbox .checkbox-text {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.business-hint {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    margin-left: 26px;
}

/* ============================================
   SHIPPING METHOD SELECTOR
   ============================================ */
.shipping-methods-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.shipping-method-option {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.shipping-method-option:has(.shipping-radio:checked) {
    border-color: var(--color-primary);
    background-color: rgba(154, 123, 44, 0.05);
}

.shipping-method-option:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.shipping-radio {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--color-primary);
}

.shipping-method-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.shipping-method-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shipping-method-header strong {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.shipping-price {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.shipping-method-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    flex-wrap: wrap;
}

.carrier-name {
    color: var(--color-text-light);
}

.free-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* ============================================
   CURRENCY SELECTOR
   ============================================ */
.currency-note {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-style: italic;
}

.currency-conversion-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(37, 99, 235, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text);
}

/* ============================================
   DIGITAL WALLETS
   ============================================ */
.digital-wallets-container {
    margin-bottom: var(--spacing-lg);
}

.digital-wallets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.digital-wallet-btn {
    padding: var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 50px;
}

.digital-wallet-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.digital-wallet-btn[data-wallet="apple_pay"] {
    background-color: #000000;
}

.digital-wallet-btn[data-wallet="google_pay"] {
    background-color: #4285F4;
}

.digital-wallet-btn[data-wallet="paypal"] {
    background-color: #0070BA;
}

.wallet-icon {
    font-size: var(--font-size-xl);
}

.payment-divider {
    margin: var(--spacing-sm) 0;
    text-align: center;
    position: relative;
}

.payment-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-border);
    z-index: 0;
}

.payment-divider span {
    position: relative;
    background-color: var(--color-white);
    padding: 0 var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    z-index: 1;
}

/* ============================================
   BUY NOW, PAY LATER OPTIONS
   ============================================ */
.bnpl-options-container {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

.bnpl-options-container h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.bnpl-options-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.bnpl-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.bnpl-option.eligible {
    border-color: var(--color-secondary);
    background-color: rgba(16, 185, 129, 0.03);
}

.bnpl-option.ineligible {
    opacity: 0.6;
}

.bnpl-icon {
    height: 28px;
    width: auto;
    min-width: 60px;
    max-width: 100px;
    object-fit: contain;
    flex-shrink: 0;
}

.bnpl-icon-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 28px;
    min-width: 60px;
    padding: 4px 10px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    flex-shrink: 0;
}

.bnpl-details {
    flex: 1;
}

.bnpl-details strong {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0;
}

.bnpl-details p {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-bottom: 0;
}

.bnpl-details small {
    font-size: var(--font-size-xs);
    color: var(--color-warning);
}

/* ============================================
   ENHANCED PRICING BREAKDOWN
   ============================================ */

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.item-details h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.item-details p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.item-price {
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================
   COMPACT ORDER SUMMARY STYLES
   ============================================ */

/* Compact Discount & Options */
.order-options-compact {
    padding: 10px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 10px;
}

.discount-input-compact {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.discount-input-compact input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
}

.discount-input-compact input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.discount-input-compact button {
    padding: 8px 14px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.discount-input-compact button:hover {
    background: var(--color-primary-dark);
}

.business-toggle-compact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    margin-top: 6px;
}

.business-toggle-compact input {
    width: 14px;
    height: 14px;
    accent-color: var(--color-primary);
}

/* Compact Pricing */
.pricing-compact {
    padding: 12px 0;
    border-top: 1px solid var(--color-border);
}

.pricing-compact .price-line {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: #4b5563;
    margin-bottom: 4px;
}

.pricing-compact .discount-line {
    color: #059669;
}

.pricing-compact .discount-value {
    font-weight: 500;
}

.pricing-compact .vat-line {
    font-size: 12px;
    color: #6b7280;
}

.pricing-compact .vat-note {
    font-style: italic;
    color: #9ca3af;
    font-size: 11px;
}

.pricing-compact .total-line {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--color-border);
}

.pricing-compact .savings-line {
    display: flex;
    justify-content: space-between;
    background: #d1fae5;
    padding: 6px 10px;
    border-radius: 4px;
    margin-top: 8px;
    font-size: 12px;
    font-weight: 500;
    color: #059669;
}

/* Compact Shipping Progress */
.shipping-progress-compact {
    text-align: center;
    padding: 8px 0;
    font-size: 11px;
    color: #059669;
    font-weight: 500;
}

.shipping-progress-compact .progress-bar-mini {
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}

.shipping-progress-compact .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #059669, #10b981);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Sticky Pricing Section - keeps total visible while scrolling cart items */
.pricing-sticky-section {
    position: sticky;
    bottom: 0;
    z-index: 10;
    background: linear-gradient(to bottom, rgba(255,255,255,0.95) 0%, #ffffff 10%);
    padding: var(--spacing-xs) 0 0 0;
    margin-top: var(--spacing-xs);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
    border-top: 1px solid var(--color-border);
}

/* Compact styles for sticky pricing section */
.pricing-sticky-section .pricing-breakdown {
    padding-bottom: 0;
    border-bottom: none;
    margin-bottom: 0;
}

.pricing-sticky-section .price-row {
    margin-bottom: 2px;
    font-size: 12px;
}

.pricing-sticky-section .price-row.total {
    font-size: 15px;
    margin-top: 6px;
    padding-top: 6px;
}

.pricing-sticky-section .savings-row {
    padding: 6px 10px;
    margin-top: 6px;
    font-size: 12px;
}

.pricing-sticky-section .free-shipping-progress {
    padding: 6px 0;
    margin-top: 4px;
}

.pricing-sticky-section .progress-text {
    font-size: 11px;
    margin-bottom: 3px;
}

.pricing-sticky-section .progress-bar-container {
    height: 5px;
}

.pricing-breakdown {
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-sm);
}

.price-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.price-row.discount-row {
    color: var(--color-secondary);
}

.price-row.discount-row .discount-amount {
    font-weight: 600;
    color: var(--color-secondary);
}

.price-row.subtotal-row {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-sm);
}

.price-row.total {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-border);
}

/* VAT display rows */
.vat-inclusive-row {
    justify-content: center;
}

.vat-inclusive-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-style: italic;
}

.savings-row {
    padding: var(--spacing-md);
    background-color: #d1fae5;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-secondary);
}

.savings-row .savings-amount {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.free-shipping-progress {
    padding: var(--spacing-sm);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
}

.progress-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.progress-bar-container {
    height: 8px;
    background-color: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--color-secondary);
    transition: width var(--transition-slow);
}

/* ============================================
   PHASE 1: TRUST ELEMENTS
   ============================================ */
/* Note: Core layout styles for .trust-elements-container are defined above
   in the "Right Column - Order Summary Section" block for equal height layout */

.trust-elements-container h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.trust-section {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

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

.trust-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.trust-section p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.trust-badges-inline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.badge-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.guarantee-list {
    list-style: none;
}

.guarantee-list li {
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.shipping-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.shipping-option {
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

/* ============================================
   TRUST BADGES
   ============================================ */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.badge {
    text-align: center;
    padding: var(--spacing-sm);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.badge-icon {
    display: block;
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   FOOTER
   ============================================ */
.checkout-footer {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
    border-top: none;
    background: var(--gradient-primary);
    color: var(--color-white);
}

.checkout-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkout-footer p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-fast);
    opacity: 0.85;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ============================================
   ACCOUNT SECTION: LOGIN/REGISTER/GUEST
   ============================================ */
.account-section {
    margin-bottom: var(--spacing-lg);
}

.account-options {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.account-option {
    flex: 1;
    position: relative;
}

.account-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.account-option label {
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.account-option label:hover {
    border-color: var(--color-primary);
    background-color: rgba(154, 123, 44, 0.03);
}

.account-option input[type="radio"]:checked + label {
    border-color: var(--color-primary);
    background-color: rgba(154, 123, 44, 0.06);
}

.account-option input[type="radio"]:focus + label {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.account-option .option-icon {
    font-size: 1.5rem;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.account-option .option-content {
    display: flex;
    flex-direction: column;
}

.account-option .option-title {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: 4px;
}

.account-option .option-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Login Form Container */
.login-form-container {
    padding: var(--spacing-lg);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-container .form-group {
    margin-bottom: var(--spacing-md);
}

.login-btn {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    margin-bottom: var(--spacing-md);
}

.login-btn:hover {
    background-color: var(--color-primary-dark);
}

.login-btn:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

.login-error {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    color: #dc2626;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.login-links {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.login-links a {
    color: var(--color-primary);
    text-decoration: none;
}

.login-links a:hover {
    text-decoration: underline;
}

.login-links .separator {
    margin: 0 var(--spacing-sm);
    color: var(--color-border);
}

/* Logged In User Display */
.logged-in-user {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: #d1fae5;
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.logged-in-user .user-info {
    display: flex;
    align-items: center;
}

.logged-in-user .user-icon {
    width: 36px;
    height: 36px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: var(--spacing-md);
}

.logged-in-user .user-details {
    display: flex;
    flex-direction: column;
}

.logged-in-user .user-greeting {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.logged-in-user .user-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.logout-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Save Info Checkbox */
.save-info-container {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    accent-color: var(--color-primary);
}

.checkbox-label .checkbox-text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 968px) {
    .checkout-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .order-summary-section {
        order: -1;
        position: static;
        max-height: none;
        overflow-y: visible;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .checkout-header .container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .header-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .return-to-cart .cart-text {
        display: inline;
    }

    .form-section {
        padding: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .progress-bar {
        font-size: var(--font-size-xs);
    }

    .step-number {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-sm);
    }

    .step-label {
        font-size: 0.75rem;
        font-weight: 500;
    }

    .trust-badges {
        grid-template-columns: 1fr;
    }

    .checkout-footer .container {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Account options stack on mobile */
    .account-options {
        flex-direction: column;
    }
}

/* Print styles */
@media print {
    .checkout-header,
    .checkout-footer,
    .submit-button,
    .payment-element {
        display: none;
    }
}

/* ============================================
   MULTI-STEP CHECKOUT NAVIGATION
   ============================================ */

/* Progress bar enhancements for 4-step flow */
.progress-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    gap: 0;
}

.progress-bar::before {
    display: none; /* Hide the default pseudo-element */
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.progress-step:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.progress-step.completed {
    cursor: pointer;
}

.progress-step.completed .step-number {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
}

.progress-step.completed .step-number::after {
    content: '✓';
    position: absolute;
    font-size: 14px;
}

.progress-step.completed .step-label {
    color: var(--color-secondary);
}

.progress-connector {
    flex: 1;
    height: 3px;
    background-color: var(--color-border);
    min-width: 40px;
    max-width: 80px;
    transition: background-color var(--transition-base);
}

.progress-connector.completed {
    background-color: var(--color-secondary);
}

/* Step Navigation Buttons */
.step-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    gap: var(--spacing-md);
}

.step-navigation-final {
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #9A7B2C 0%, #C4A962 100%);
    color: var(--color-white);
    border: none;
    box-shadow: 0 4px 15px rgba(154, 123, 44, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #7A6223 0%, #9A7B2C 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(154, 123, 44, 0.4);
}

.btn-primary:disabled {
    background: var(--color-border);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-background);
    border-color: var(--color-text-light);
}

.btn-icon {
    font-size: var(--font-size-sm);
}

.btn-submit {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-submit .lock-icon {
    font-size: var(--font-size-base);
}

/* Edit Buttons */
.btn-edit {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-edit:hover {
    background-color: rgba(37, 99, 235, 0.1);
    text-decoration: underline;
}

/* Step Summaries */
.step-summary {
    background-color: var(--color-background);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.summary-header h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.5;
    margin: 0;
}

.summary-content p + p {
    margin-top: var(--spacing-xs);
}

/* Compact Summary (2-Step Checkout) */
.compact-summary {
    padding: var(--spacing-sm) var(--spacing-md);
}

.compact-summary .summary-header h4 {
    font-size: var(--font-size-sm);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.summary-item {
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.summary-item .summary-label {
    font-weight: 600;
    color: var(--color-text-light);
    display: block;
    margin-bottom: 2px;
}

/* Gift Section Compact (2-Step Checkout) */
.gift-section-compact {
    padding: var(--spacing-md);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.gift-section-compact .gift-message-container {
    margin-top: var(--spacing-sm);
}

.gift-section-compact .form-group {
    margin-bottom: var(--spacing-sm);
}

/* Review Section (Step 4) */
.review-section {
    margin-bottom: var(--spacing-lg);
}

.review-section > h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.review-intro {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.review-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.review-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
}

.review-card-header h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.review-card-content {
    padding: var(--spacing-lg);
}

.review-card-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
}

.delivery-note {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #fef7ed;
    border-radius: var(--radius-sm);
    font-style: italic;
    color: var(--color-text-light);
}

/* Review Items */
.review-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.review-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.review-item-details {
    flex: 1;
}

.review-item-details strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.review-item-details p {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

.review-item-price {
    font-weight: 600;
    color: var(--color-text);
}

/* Terms Section */
.terms-section {
    background-color: var(--color-background);
}

.terms-checkbox .checkbox-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.terms-checkbox .checkbox-text a:hover {
    color: var(--color-primary-dark);
}

.marketing-checkbox {
    margin-top: var(--spacing-md);
}

/* Billing Address Section */
.billing-same-checkbox {
    margin-bottom: var(--spacing-md);
}

.billing-address-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    animation: slideDown 0.3s ease-out;
}

.billing-address-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

/* 3-column form row */
.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-md);
}

/* Loading Placeholder / Skeleton */
.loading-placeholder {
    padding: var(--spacing-lg);
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-line {
    height: 60px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
}

.skeleton-line:last-child {
    margin-bottom: 0;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Discount codes hint */
.discount-codes-hint {
    margin-top: var(--spacing-sm);
    text-align: center;
}

.discount-codes-hint small {
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
}

/* Animation for sections */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile responsive for multi-step */
@media (max-width: 768px) {
    .step-navigation {
        flex-direction: column-reverse;
        gap: var(--spacing-md);
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .progress-step {
        padding: var(--spacing-xs);
    }

    .progress-connector {
        min-width: 20px;
        max-width: 40px;
    }

    .step-label {
        font-size: 0.625rem;
        max-width: 60px;
        text-align: center;
    }

    .review-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .review-item {
        flex-wrap: wrap;
    }

    .review-item-image {
        width: 50px;
        height: 50px;
    }

    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .billing-address-section {
        padding-top: var(--spacing-md);
    }
}

/* ============================================
   ENHANCED RESPONSIVE OPTIMIZATIONS
   ============================================ */

/* Tablet breakpoint (641px - 968px) */
@media (min-width: 641px) and (max-width: 968px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .form-section {
        padding: var(--spacing-lg);
    }

    .checkout-header {
        padding: var(--spacing-md) 0;
    }

    /* 2-column form rows on tablet */
    .form-row {
        grid-template-columns: 1fr 1fr;
    }

    .form-row-3 {
        grid-template-columns: 1fr 1fr 1fr;
    }

    /* Order summary and trust elements side by side on tablet */
    .order-summary-section {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
        height: auto;
    }

    .order-summary-card,
    .trust-elements-container {
        height: auto !important;
        max-height: none !important;
        min-height: auto !important;
        flex: none;
    }

    /* Shipping methods side by side */
    .shipping-methods-group {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    /* Account options remain side by side */
    .account-options {
        flex-direction: row;
    }
}

/* Mobile breakpoint adjustments (≤640px) */
@media (max-width: 640px) {
    /* Fix fixed height issue - make flexible on mobile */
    .order-summary-section {
        height: auto;
        max-height: none;
        position: static;
    }

    .order-summary-card,
    .trust-elements-container {
        flex: none;
        height: auto !important;
        max-height: none !important;
        min-height: auto !important;
        overflow-y: visible;
    }

    /* Reduce container padding on mobile */
    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Tighter form section padding */
    .form-section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .form-section h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-md);
    }

    /* Reduce form group spacing */
    .form-group {
        margin-bottom: var(--spacing-md);
    }

    /* Compact shipping method options */
    .shipping-method-option {
        padding: var(--spacing-sm);
    }

    .shipping-method-header strong {
        font-size: var(--font-size-xs);
    }

    .shipping-method-info {
        font-size: 0.65rem;
    }

    /* Compact order summary */
    .order-summary-card {
        padding: var(--spacing-sm);
    }

    .order-summary-card h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-sm);
    }

    .cart-item {
        padding: var(--spacing-xs) 0;
        gap: var(--spacing-xs);
    }

    .item-details h4 {
        font-size: var(--font-size-sm);
    }

    .item-details p {
        font-size: var(--font-size-xs);
    }

    /* Compact sticky pricing section on mobile */
    .pricing-sticky-section {
        position: sticky;
        bottom: 0;
        z-index: 10;
        background: linear-gradient(to bottom, rgba(255,255,255,0.95) 0%, #ffffff 15%);
        padding-top: var(--spacing-xs);
        margin-top: var(--spacing-xs);
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
        border-top: 1px solid var(--color-border);
    }

    /* Compact pricing breakdown */
    .pricing-breakdown {
        padding-bottom: var(--spacing-xs);
        margin-bottom: var(--spacing-xs);
    }

    .price-row {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-xs);
    }

    .price-row.total {
        font-size: var(--font-size-base);
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
    }

    /* Compact discount section */
    .discount-code-section {
        padding: var(--spacing-xs) var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .discount-input-group input {
        padding: 0.4rem 0.6rem;
        font-size: var(--font-size-xs);
    }

    .apply-discount-btn {
        padding: 0.4rem 0.75rem;
        font-size: var(--font-size-xs);
    }

    /* Compact trust elements */
    .trust-elements-container {
        padding: var(--spacing-sm);
    }

    .trust-elements-container h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-sm);
    }

    .trust-section {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .trust-section h4 {
        font-size: var(--font-size-sm);
    }

    .trust-section p {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-sm);
    }

    /* Compact security certifications - keep sticky on mobile */
    .security-certifications {
        padding: var(--spacing-xs);
        margin-top: var(--spacing-xs);
        position: sticky;
        bottom: 0;
        z-index: 10;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    }

    .cert-badge {
        padding: var(--spacing-xs);
    }

    .cert-text strong {
        font-size: 0.65rem;
    }

    .cert-text span {
        font-size: 9px;
    }

    .security-note {
        font-size: 8px;
    }

    /* Compact free shipping progress */
    .free-shipping-progress {
        padding: var(--spacing-xs);
    }

    .progress-text {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-xs);
    }

    /* Digital wallets grid */
    .digital-wallets-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .digital-wallet-btn {
        min-height: 44px;
        padding: var(--spacing-sm);
    }

    /* BNPL options compact */
    .bnpl-options-container {
        padding: var(--spacing-xs);
    }

    .bnpl-option {
        padding: var(--spacing-xs);
    }

    /* Payment divider */
    .payment-divider {
        margin: var(--spacing-sm) 0;
    }

    .payment-divider span {
        font-size: var(--font-size-xs);
        padding: 0 var(--spacing-sm);
    }

    /* Compact step summary */
    .compact-summary {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .summary-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .summary-item {
        font-size: var(--font-size-xs);
    }

    /* Gift section compact */
    .gift-section-compact {
        padding: var(--spacing-sm);
    }

    /* Terms section */
    .terms-section {
        padding: var(--spacing-sm);
    }

    .checkbox-label .checkbox-text {
        font-size: var(--font-size-xs);
    }

    /* Step navigation on mobile */
    .step-navigation {
        padding-top: var(--spacing-md);
        margin-top: var(--spacing-md);
    }

    .step-navigation-final {
        padding: var(--spacing-md);
    }

    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .btn-submit {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

/* Extra small mobile (≤375px) - iPhone SE, older devices */
@media (max-width: 375px) {
    .container {
        padding: 0 var(--spacing-xs);
    }

    .checkout-header {
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-md);
    }

    .logo h1 {
        font-size: var(--font-size-lg);
    }

    .logo .tagline {
        font-size: var(--font-size-xs);
    }

    .secure-badge {
        font-size: var(--font-size-xs);
    }

    .form-section {
        padding: var(--spacing-sm);
        border-radius: var(--radius-sm);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.6rem;
        font-size: var(--font-size-sm);
    }

    /* Progress bar extra compact */
    .step-number {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }

    .step-label {
        font-size: 0.5rem;
        max-width: 50px;
    }

    .progress-connector {
        min-width: 15px;
        max-width: 30px;
    }

    /* Account options stack */
    .account-option label {
        padding: var(--spacing-sm);
    }

    .account-option .option-icon {
        font-size: 1.25rem;
        margin-right: var(--spacing-sm);
    }

    .account-option .option-title {
        font-size: var(--font-size-sm);
    }

    .account-option .option-description {
        font-size: var(--font-size-xs);
    }

    /* Cart items ultra compact */
    .cart-item-image {
        width: 50px;
        height: 50px;
    }

    /* Footer compact */
    .checkout-footer {
        padding: var(--spacing-md) 0;
        margin-top: var(--spacing-lg);
    }

    .checkout-footer p {
        font-size: var(--font-size-xs);
    }

    .footer-links a {
        font-size: var(--font-size-xs);
    }
}

/* Ultra small screens (≤320px) - Galaxy Fold, etc. */
@media (max-width: 320px) {
    :root {
        --font-size-base: 0.875rem;
        --font-size-sm: 0.75rem;
        --font-size-xs: 0.625rem;
    }

    .checkout-header .container {
        gap: var(--spacing-xs);
    }

    .logo h1 {
        font-size: var(--font-size-base);
    }

    .header-actions {
        gap: var(--spacing-xs);
    }

    .return-to-cart {
        padding: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }

    .return-to-cart .cart-text {
        display: none;
    }

    .form-section h3 {
        font-size: var(--font-size-sm);
    }

    /* Hide non-essential elements */
    .field-hint {
        display: none;
    }

    .discount-codes-hint {
        display: none;
    }

    /* Ultra compact buttons */
    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .btn-icon {
        display: none;
    }

    /* Simplify shipping display */
    .carrier-name {
        display: none;
    }

    /* Trust badges single column */
    .trust-badges-row {
        flex-direction: column;
    }

    .trust-badges-row .badge {
        padding: var(--spacing-xs);
        font-size: 0.6rem;
    }
}

/* ============================================
   DEMO MODE & PAYMENT LOADING STYLES
   ============================================ */

/* Payment Loading State */
.payment-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.payment-loading .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.payment-loading p {
    margin: 0;
    font-size: 0.875rem;
}

/* Payment Error Message */
.payment-error-message {
    display: none;
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: rgba(220, 38, 38, 0.1);
    border-radius: 4px;
    border-left: 3px solid var(--danger);
}

/* Demo Mode Status Container */
.demo-mode-status {
    margin-bottom: 1rem;
}

/* Demo Mode Notice Styles */
.demo-mode-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
}

.demo-mode-notice.info {
    background-color: #EFF6FF;
    border: 1px solid #BFDBFE;
    color: #1E40AF;
}

.demo-mode-notice.warning {
    background-color: #FFFBEB;
    border: 1px solid #FCD34D;
    color: #92400E;
}

.demo-mode-notice .notice-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.demo-mode-notice .notice-content {
    flex: 1;
}

.demo-mode-notice .notice-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

.demo-mode-notice .notice-content p {
    margin: 0 0 0.25rem 0;
    line-height: 1.4;
}

.demo-mode-notice .notice-content small {
    display: block;
    opacity: 0.75;
    font-size: 0.75rem;
}

/* Payment Request Button Container */
#payment-request-button {
    margin-bottom: 1rem;
}

#payment-request-button .StripeElement {
    height: 48px;
}

/* Digital Wallet Availability Notice */
.digital-wallets-notice {
    text-align: center;
    padding: 0.75rem;
    background-color: var(--background);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Enhanced Form Field Focus States */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 2px rgba(184, 134, 11, 0.15);
}

/* Improved Validation States */
input.error,
select.error {
    border-color: var(--danger);
    background-color: rgba(220, 38, 38, 0.02);
}

input.error:focus,
select.error:focus {
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.15);
}

/* Success input state */
input.valid,
select.valid {
    border-color: var(--success);
}

input.valid:focus,
select.valid:focus {
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.15);
}

/* Conversion Tracking Elements (hidden visual markers) */
[data-tracking-event] {
    /* No visual changes - used for JavaScript event tracking */
}

/* Cart Item Enhancements */
.cart-item {
    transition: background-color 0.2s ease;
}

.cart-item:hover {
    background-color: rgba(184, 134, 11, 0.03);
}

/* Price Highlight Animation */
@keyframes priceHighlight {
    0% { background-color: transparent; }
    50% { background-color: rgba(184, 134, 11, 0.1); }
    100% { background-color: transparent; }
}

.price-updated {
    animation: priceHighlight 1s ease;
}

/* Trust Badge Enhancements */
.trust-badge-animated {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.trust-badge-animated:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* ============================================
   VISUAL WALLET BUTTONS (Fallback Display)
   ============================================ */

.visual-wallet-buttons {
    padding: 1rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    margin-bottom: 1rem;
}

.visual-wallet-buttons .wallet-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0 0 0.75rem 0;
}

.wallet-buttons-row {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.wallet-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    background: #fff;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    min-width: 120px;
    justify-content: center;
}

.wallet-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.wallet-btn:active {
    transform: translateY(0);
}

/* Apple Pay Button */
.wallet-btn-apple {
    background: #000;
    color: #fff;
    border-color: #000;
}

.wallet-btn-apple:hover {
    background: #1a1a1a;
}

/* Google Pay Button */
.wallet-btn-google {
    background: #fff;
    color: #3c4043;
    border-color: #dadce0;
}

.wallet-btn-google:hover {
    background: #f8f9fa;
    border-color: #bdc1c6;
}

/* PayPal Button */
.wallet-btn-paypal {
    background: #ffc439;
    color: #003087;
    border-color: #ffc439;
}

.wallet-btn-paypal:hover {
    background: #f5ba38;
    border-color: #f5ba38;
}

.wallet-btn svg {
    flex-shrink: 0;
}

.visual-wallet-buttons .wallet-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin: 0.75rem 0 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

/* Mobile responsive wallet buttons */
@media (max-width: 640px) {
    .wallet-buttons-row {
        flex-direction: column;
    }

    .wallet-btn {
        width: 100%;
        min-width: auto;
    }
}

/* Wallet container when visible */
.digital-wallets-container {
    margin-bottom: 1rem;
}