/* VR Store - Responsive Design and Mobile Optimization */
/* Modern VR-themed responsive design system */

/* Base responsive utilities */
.container-fluid {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
}

/* Container responsive sizing */
.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
}

/* Prevent horizontal overflow */
* {
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

/* Ensure all images are responsive */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive text that prevents overflow */
.text-responsive {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

@media (min-width: 576px) {
    .container { max-width: 540px; }
    
    /* Footer styles for small tablets */
    .footer-links-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    

    
    .footer-contact-compact {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
    
    .footer-trust-compact {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .footer-bottom-content-minimalist {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

@media (min-width: 768px) {
    .container { max-width: 720px; }
    
    /* Minimalist Footer styles for tablets and larger */
    .footer-main-minimalist {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        text-align: left;
    }
    
    .footer-brand-minimalist {
        flex-direction: row;
        text-align: left;
    }
    
    .footer-links-minimalist {
        justify-content: center;
    }
    
    .footer-social-minimalist {
        justify-content: flex-end;
        margin-top: 0;
    }
}

@media (min-width: 992px) {
    .container { max-width: 960px; }
}

@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}

@media (min-width: 1400px) {
    .container { max-width: 1320px; }
}

/* Mobile-first approach */
@media (max-width: 575.98px) {
    /* Extra small devices (phones) */
    
    /* Header adjustments */
    .main-header {
        padding: var(--spacing-sm) 0;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: var(--bg-primary);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(139, 92, 246, 0.2);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .main-header .container {
        display: grid;
        grid-template-columns: auto 1fr auto auto;
        grid-template-areas: "logo search cart menu";
        gap: var(--spacing-sm);
        align-items: center;
        width: 100%;
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .logo {
        grid-area: logo;
        justify-self: start;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .search-form {
        grid-area: search;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }
    
    .search-form .input-group {
        width: 100%;
        display: flex;
        box-sizing: border-box;
    }
    
    .search-form button {
        flex: 0 0 auto;
        padding: var(--spacing-sm);
        border: none;
        background: var(--primary-purple);
        color: white;
        cursor: pointer;
        box-sizing: border-box;
    }
    
    .cart-link {
        grid-area: cart;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
        justify-self: end;
    }
    
    .mobile-menu-toggle {
        grid-area: menu;
        display: flex;
        background: var(--bg-card);
        border: 1px solid rgba(139, 92, 246, 0.2);
        border-radius: var(--radius-md);
        color: var(--text-primary);
        cursor: pointer;
        padding: var(--spacing-sm);
        box-sizing: border-box;
        justify-self: end;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
    }
    
    .search-input {
        font-size: 16px; /* Prevents zoom on iOS */
        flex: 1;
        min-width: 0;
        border: none;
        outline: none;
        box-sizing: border-box;
        padding: var(--spacing-sm);
    }
    
    /* Mobile Form Styling */
    .form-input,
    .form-select,
    .form-control {
        font-size: 16px !important; /* Prevents zoom on iOS */
        min-height: 48px; /* Touch-friendly */
        padding: var(--spacing-md) !important;
        border-radius: var(--radius-md) !important;
        border: 2px solid rgba(139, 92, 246, 0.2) !important;
        background: var(--bg-card) !important;
        color: var(--text-primary) !important;
        width: 100% !important;
        box-sizing: border-box !important;
        transition: all 0.3s ease !important;
    }
    
    .form-input:focus,
    .form-select:focus,
    .form-control:focus {
        border-color: var(--neon-purple) !important;
        box-shadow: 0 0 0 0.2rem rgba(139, 92, 246, 0.25) !important;
        outline: none !important;
    }
    
    .input-group .form-input {
        padding-left: 2.75rem !important;
    }
    
    .input-icon {
        font-size: 1rem;
        color: var(--text-muted);
        z-index: 2;
    }
    
    textarea.form-control {
        min-height: 120px !important;
        resize: vertical;
    }
    
    .form-label {
        font-size: 0.9rem !important;
        font-weight: 600 !important;
        color: var(--text-primary) !important;
        margin-bottom: var(--spacing-sm) !important;
    }
    
    /* Mobile Button Styling */
    .btn,
    .btn-primary,
    .btn-secondary,
    .btn-outline,
    .search-btn,
    .mobile-menu-toggle {
        min-height: 48px !important; /* Touch-friendly */
        min-width: 48px !important;
        padding: var(--spacing-md) var(--spacing-lg) !important;
        font-size: 1rem !important;
        border-radius: var(--radius-md) !important;
        transition: all 0.3s ease !important;
        cursor: pointer;
        box-sizing: border-box !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        line-height: 1.2 !important;
        font-weight: 600 !important;
    }
    
    .btn:active,
    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.95) !important;
        transition: transform 0.1s ease !important;
    }
    
    .quantity-controls .btn {
        min-width: 44px !important;
        min-height: 44px !important;
        padding: var(--spacing-sm) !important;
    }
    
    .add-to-cart-btn {
        width: 100% !important;
        margin-top: var(--spacing-md) !important;
    }
    
    /* Mobile Layout Spacing */
    .container {
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
        max-width: 100% !important;
    }
    
    .main-content {
        margin-top: 100px !important;
        padding: var(--spacing-md) 0 !important;
    }
    
    .hero-section {
        padding: var(--spacing-xl) var(--spacing-md) !important;
        text-align: center;
    }
    
    .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem) !important;
        line-height: 1.2 !important;
        margin-bottom: var(--spacing-lg) !important;
    }
    
    .hero-subtitle {
        font-size: clamp(0.9rem, 3vw, 1.1rem) !important;
        margin-bottom: var(--spacing-xl) !important;
    }
    
    .section {
        padding: var(--spacing-xl) 0 !important;
    }
    
    .card,
    .product-card {
        margin-bottom: var(--spacing-lg) !important;
        border-radius: var(--radius-lg) !important;
        overflow: hidden;
    }
    
    .row {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .col,
    [class*="col-"] {
        padding-left: var(--spacing-sm) !important;
        padding-right: var(--spacing-sm) !important;
    }
    
    .auth-container {
        margin: var(--spacing-lg) auto !important;
        padding: var(--spacing-xl) var(--spacing-lg) !important;
        max-width: 100% !important;
        width: calc(100% - 2rem) !important;
    }
    
    .contact-form {
        padding: var(--spacing-xl) var(--spacing-lg) !important;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        backdrop-filter: blur(20px);
        border-right: 1px solid rgba(139, 92, 246, 0.2);
        transition: var(--transition-normal);
        z-index: 1000;
        overflow-y: auto;
        padding: var(--spacing-xl) var(--spacing-lg);
        box-sizing: border-box;
        flex-direction: column;
    }
    
    .nav-menu.active {
        left: 0;
        display: flex;
    }
    
    .nav-item {
        margin-bottom: var(--spacing-md);
        width: 100%;
        box-sizing: border-box;
    }
    
    .nav-menu .nav-link {
        display: block;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid rgba(139, 92, 246, 0.1);
        font-size: 1.1rem;
        width: 100%;
        box-sizing: border-box;
        word-wrap: break-word;
        transition: all 0.3s ease;
        color: var(--text-primary);
        text-decoration: none;
    }
    
    .nav-menu .nav-link:hover {
        background: var(--bg-tertiary);
        color: var(--accent-cyan);
        transform: translateX(5px);
    }
    
    .nav-close {
        position: absolute;
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    /* Footer Responsive Styles */
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }
    

    
    /* Minimalist Footer Mobile Styles */
    .footer-main-minimalist {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-brand-minimalist {
        margin-bottom: var(--spacing-sm);
    }
    
    .footer-links-minimalist {
        flex-direction: column;
        gap: var(--spacing-sm);
        justify-content: center;
    }
    
    .footer-social-minimalist {
        justify-content: center;
        margin-top: var(--spacing-sm);
    }
    
    .footer-bottom-content-minimalist {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .footer-legal-minimalist {
        justify-content: center;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .social-link-minimalist {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
    
    .footer-link-minimalist {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--bg-card);
        border: 1px solid rgba(139, 92, 246, 0.2);
        border-radius: var(--radius-md);
        color: var(--text-primary);
        cursor: pointer;
        transition: var(--transition-fast);
        gap: 3px;
        padding: 0;
    }
    
    .mobile-menu-toggle span {
        width: 18px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 1px;
        transition: var(--transition-fast);
    }
    
    .mobile-menu-toggle:hover {
        background: var(--primary-purple);
        box-shadow: var(--shadow-glow);
    }
    
    /* Hero section */
    .hero-section {
        padding: var(--spacing-xl) 0;
        text-align: center;
        width: 100%;
        overflow: hidden;
    }
    
    .hero-content {
        max-width: 100%;
        width: 100%;
        padding: 0 var(--spacing-md);
        box-sizing: border-box;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
        line-height: 1.3;
        margin-bottom: var(--spacing-md);
        word-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: clamp(0.9rem, 2.5vw, 1.1rem);
        margin-bottom: var(--spacing-lg);
        word-wrap: break-word;
    }
    
    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }
    
    .hero-stat {
        flex: 1 1 auto;
        min-width: 120px;
        max-width: 200px;
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-cta .btn:last-child {
        margin-bottom: 0;
    }
    
    /* Product grid */
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        width: 100%;
        box-sizing: border-box;
    }
    
    .product-card {
        margin-bottom: var(--spacing-lg);
        width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .product-card img {
        width: 100%;
        height: auto;
        object-fit: cover;
        max-height: 250px;
    }
    
    .product-card .card-body {
        padding: var(--spacing-md);
        width: 100%;
        box-sizing: border-box;
    }
    
    .product-card-content {
        padding: var(--spacing-md);
        width: 100%;
        box-sizing: border-box;
    }
    
    .product-title {
        font-size: clamp(0.9rem, 2vw, 1.1rem);
        line-height: 1.4;
        margin-bottom: var(--spacing-sm);
        word-wrap: break-word;
    }
    
    .product-price {
        font-size: clamp(1rem, 2.5vw, 1.2rem);
        font-weight: bold;
        margin-bottom: var(--spacing-sm);
    }
    
    .product-actions {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-sm);
    }
    
    .quantity-controls {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .quantity-controls .btn {
        min-width: 40px;
        padding: var(--spacing-xs);
        margin-bottom: 0;
    }
    
    .quantity-controls input {
        width: 60px;
        text-align: center;
        margin: 0;
    }
    
    /* Enhanced Mobile Button Styles - Consistent with Main System */
    .btn {
        /* Mobile-optimized spacing */
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.95rem;
        min-height: 48px; /* Touch-friendly */
        min-width: 48px;
        margin-bottom: var(--spacing-xs);
        
        /* Consistent with main button system */
        position: relative;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-xs);
        
        /* Typography */
        font-weight: 600;
        line-height: 1;
        text-align: center;
        white-space: nowrap;
        
        /* Visual */
        border: 2px solid transparent;
        border-radius: var(--radius-md);
        box-sizing: border-box;
        overflow: hidden;
        text-decoration: none;
        font-family: inherit;
        
        /* Interaction */
        cursor: pointer;
        touch-action: manipulation;
        user-select: none;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    background 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform: translateZ(0); /* Hardware acceleration */
    }
    
    .btn-primary {
        width: 100%;
        background: linear-gradient(135deg, 
            var(--primary-purple, #8B5CF6) 0%, 
            var(--neon-cyan, #00FFFF) 100%
        );
        color: var(--text-primary, #FFFFFF);
        box-shadow: 
            0 4px 15px rgba(139, 92, 246, 0.3),
            0 0 20px rgba(139, 92, 246, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.1);
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
    
    .btn-primary:hover {
        background: linear-gradient(135deg, 
            var(--neon-purple, #A855F7) 0%, 
            var(--neon-pink, #EC4899) 100%
        );
        transform: translateY(-2px) scale(1.02);
        box-shadow: 
            0 8px 25px rgba(139, 92, 246, 0.4),
            0 0 30px rgba(139, 92, 246, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.2);
    }
    
    .btn-primary:active {
        transform: translateY(-1px) scale(0.98);
        transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1.1rem;
        min-height: 52px;
        min-width: 52px;
    }
    
    .btn-group {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
    }
    
    .btn-group .btn {
        margin-bottom: 0;
        width: 100%;
    }
    
    /* Forms */
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: var(--spacing-md);
        min-height: 44px;
        width: 100%;
        box-sizing: border-box;
        border: 1px solid rgba(139, 92, 246, 0.2);
        border-radius: var(--radius-md);
        background: var(--bg-secondary);
        color: var(--text-primary);
    }
    
    .form-group {
        margin-bottom: var(--spacing-lg);
        width: 100%;
        box-sizing: border-box;
    }
    
    .input-group {
        display: flex;
        width: 100%;
        box-sizing: border-box;
    }
    
    .input-group .form-control {
        border-radius: var(--radius-md) 0 0 var(--radius-md);
        flex: 1;
        margin-bottom: 0;
    }
    
    .input-group .btn {
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        margin-top: 0;
        flex: 0 0 auto;
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Label adjustments */
    .form-label {
        display: block;
        margin-bottom: var(--spacing-sm);
        font-weight: 500;
        color: var(--text-primary);
        font-size: 0.9rem;
    }
    
    /* Auth pages */
    .auth-container {
        padding: var(--spacing-md);
        margin: var(--spacing-md) auto;
        min-height: calc(100vh - 120px);
    }
    
    .auth-card {
        padding: var(--spacing-lg);
        margin: var(--spacing-sm);
        max-width: 95%;
    }
    
    body.register-page .auth-card {
        max-width: 95%;
    }
    
    .form-row {
        gap: var(--spacing-sm);
    }
    
    .auth-title {
        font-size: 1.625rem;
    }
    
    /* Cart and checkout */
    .cart-item {
        padding: var(--spacing-lg);
        flex-direction: column;
        text-align: center;
    }
    
    .cart-item-image {
        margin-bottom: var(--spacing-md);
    }
    
    .cart-summary {
        margin-top: var(--spacing-xl);
        padding: var(--spacing-xl);
    }
    
    /* Product detail page */
    .product-detail {
        flex-direction: column;
    }
    
    .product-images {
        margin-bottom: var(--spacing-xl);
    }
    
    .product-info {
        text-align: center;
    }
    
    .quantity-controls {
        justify-content: center;
        margin: var(--spacing-lg) 0;
    }
    
    /* Tables */
    .table-responsive {
        font-size: 0.9rem;
        border-radius: var(--radius-md);
        overflow: hidden;
    }
    
    /* Modal adjustments */
    .modal-dialog {
        margin: var(--spacing-md);
    }
    
    .modal-content {
        border-radius: var(--radius-lg);
    }
    
    /* Cart floating button */
    .cart-link {
        position: fixed;
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        z-index: 1000;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        padding: 0;
        margin: 0;
        justify-content: center;
        box-shadow: var(--shadow-xl);
        overflow: visible;
    }
    
    .cart-count {
        position: absolute;
        top: -10px;
        right: -10px;
        z-index: 1001;
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
        border: 2px solid var(--bg-primary);
        line-height: 1;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 24px;
        border-radius: 50%;
        background: var(--neon-purple);
        color: var(--text-primary);
        font-weight: 700;
        box-shadow: 0 2px 8px rgba(139, 92, 246, 0.4);
        white-space: nowrap;
        pointer-events: none;
        transform: scale(1);
        transition: transform 0.2s ease;
    }
    
    .cart-total {
        display: none;
    }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    /* Small devices (landscape phones) */
    
    .hero-title {
        font-size: clamp(2rem, 5vw, 2.8rem);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .search-container {
        order: initial;
        grid-column: initial;
        margin-top: 0;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        backdrop-filter: none;
        border: none;
        padding: 0;
        overflow: visible;
        display: flex;
        gap: var(--spacing-lg);
    }
    
    .nav-menu .nav-link {
        display: inline-block;
        padding: var(--spacing-sm) var(--spacing-md);
        border: none;
        font-size: 0.95rem;
    }
    
    .cart-item {
        flex-direction: row;
        text-align: left;
    }
    
    .cart-item-image {
        margin-bottom: 0;
        margin-right: var(--spacing-md);
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    /* Medium devices (tablets) */
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
    
    .hero-section {
        padding: var(--spacing-xxl) 0;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 4vw, 3.2rem);
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-cta .btn {
        width: auto;
        min-width: 180px;
    }
    
    .main-header .container {
        grid-template-columns: auto 1fr auto;
    }
    
    .auth-container {
        max-width: 600px;
        padding: var(--spacing-xl);
    }
    
    .auth-card {
        max-width: 550px;
        padding: var(--spacing-2xl);
    }
    
    body.register-page .auth-card {
        max-width: 650px;
    }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    /* Large devices (desktops) */
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xl);
    }
    
    .hero-section {
        padding: 5rem 0;
    }
    
    .hero-title {
        font-size: clamp(3rem, 3.5vw, 4rem);
    }
    
    .auth-container {
        max-width: 800px;
        padding: var(--spacing-2xl);
    }
    
    .auth-card {
        max-width: 700px;
        padding: var(--spacing-3xl);
    }
    
    body.register-page .auth-card {
        max-width: 800px;
    }
    
    .cart-link {
        position: static;
        border-radius: var(--radius-md);
        width: auto;
        height: auto;
        padding: var(--spacing-sm) var(--spacing-lg);
        margin: 12px 12px 8px 8px;
    }
    
    .cart-total {
        display: inline;
    }
}

@media (min-width: 1200px) {
    /* Extra large devices (large desktops) */
    
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xxl);
    }
    
    .hero-section {
        padding: 6rem 0;
    }
    
    .hero-title {
        font-size: clamp(3.5rem, 4vw, 5rem);
    }
    
    .product-card:hover {
        transform: translateY(-8px) scale(1.02);
    }
    
    .auth-container {
        max-width: 1000px;
        padding: var(--spacing-3xl);
    }
    
    .auth-card {
        max-width: 800px;
        padding: 3rem;
    }
    
    body.register-page .auth-card {
        max-width: 950px;
        padding: 3.5rem;
    }
}

@media (min-width: 1400px) {
    /* Ultra wide screens */
    
    .products-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .hero-section {
        padding: 8rem 0;
    }
    
    .auth-container {
        max-width: 1200px;
        padding: 4rem;
    }
    
    .auth-card {
        max-width: 1000px;
        padding: 4rem;
    }
    
    body.register-page .auth-card {
        max-width: 1100px;
        padding: 4.5rem;
    }
    
    .auth-title {
        font-size: 3rem;
        margin-bottom: 1.5rem;
    }
    
    .auth-subtitle {
        font-size: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 2.5rem;
    }
    
    .form-input {
        padding: 1.25rem 1.25rem 1.25rem 3.5rem;
        font-size: 1.25rem;
        min-height: 64px;
    }
    
    .input-icon {
        font-size: 1.5rem;
        left: 1.25rem;
    }
    
    .btn-auth {
        padding: 1.25rem 2.5rem;
        font-size: 1.25rem;
        min-height: 64px;
    }
}

/* Touch Device Optimizations - Consistent with Main Button System */
@media (hover: none) and (pointer: coarse) {
    /* Touch devices */
    
    .btn,
    .admin-btn,
    .btn-auth {
        min-height: 48px; /* Enhanced touch target size */
        min-width: 48px;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .social-link {
        min-height: 44px;
        min-width: 44px;
    }
    
    .product-card {
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .product-card:active {
        transform: scale(0.95);
        transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* Remove hover effects on touch devices but keep active states */
    .btn:hover,
    .admin-btn:hover,
    .btn-auth:hover,
    .product-card:hover,
    .nav-link:hover,
    .social-link:hover,
    .footer-link:hover {
        transform: none;
        box-shadow: inherit;
        text-shadow: inherit;
        background: inherit;
    }
    
    /* Enhanced active states for touch feedback */
    .btn:active,
    .admin-btn:active,
    .btn-auth:active {
        transform: scale(0.95);
        transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    /* Disable shimmer effects on touch devices */
    .btn::before,
    .admin-btn::before,
    .btn-auth::before {
        display: none;
    }
    
    /* Enhance touch feedback */
    .btn:active {
        transform: scale(0.95);
    }
    
    .nav-link:active,
    .footer-link:active {
        background: rgba(139, 92, 246, 0.1);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Retina displays */
    
    .logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape orientation adjustments */
@media (orientation: landscape) and (max-height: 500px) {
    .hero-section {
        padding: 1rem 0;
    }
    
    .navbar {
        padding: 0.25rem 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .pagination {
        display: none !important;
    }
    
    .container {
        width: 100% !important;
        max-width: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        break-inside: avoid;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support (our theme is already dark) */
/* Light mode styles removed to maintain consistent dark VR theme */
/* This ensures proper contrast and prevents white text on light backgrounds */

/* VR-themed utility classes for responsive design */
.text-responsive {
    font-size: clamp(0.875rem, 2.5vw, 1.125rem);
}

.heading-responsive {
    font-size: clamp(1.5rem, 4vw, 3rem);
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spacing-responsive {
    padding: clamp(var(--spacing-md), 3vw, var(--spacing-xxl));
}

.margin-responsive {
    margin: clamp(var(--spacing-md), 3vw, var(--spacing-xxl));
}

/* VR-themed responsive containers */
.vr-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 clamp(var(--spacing-md), 3vw, var(--spacing-xl));
}

.vr-section {
    padding: clamp(var(--spacing-xl), 5vw, var(--spacing-xxl)) 0;
}

.vr-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl));
}

/* Image optimization */
.img-responsive {
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

.img-lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.img-lazy.loaded {
    opacity: 1;
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Focus improvements for keyboard navigation */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #007bff;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
}

.skip-to-content:focus {
    top: 6px;
}

/* VR-themed responsive typography */
.display-1 { 
    font-size: clamp(2.5rem, 5vw, 5rem);
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.display-2 { 
    font-size: clamp(2rem, 4vw, 4.5rem);
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.display-3 { font-size: clamp(1.75rem, 3.5vw, 4rem); }
.display-4 { font-size: clamp(1.5rem, 3vw, 3.5rem); }

h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 600; }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); font-weight: 600; }
h4 { font-size: clamp(1.125rem, 1.5vw, 1.5rem); font-weight: 500; }
h5 { font-size: clamp(1rem, 1.25vw, 1.25rem); font-weight: 500; }
h6 { font-size: clamp(0.875rem, 1vw, 1rem); font-weight: 500; }

/* VR-themed responsive spacing */
.py-responsive { 
    padding-top: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
    padding-bottom: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
}

.px-responsive { 
    padding-left: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
    padding-right: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
}

.my-responsive { 
    margin-top: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
    margin-bottom: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
}

.mx-responsive { 
    margin-left: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
    margin-right: clamp(var(--spacing-lg), 3vw, var(--spacing-xxl)); 
}

/* Additional VR-themed responsive utilities */
.gap-responsive {
    gap: clamp(var(--spacing-md), 2vw, var(--spacing-xl));
}

.border-radius-responsive {
    border-radius: clamp(var(--radius-sm), 1vw, var(--radius-lg));
}

.shadow-responsive {
    box-shadow: clamp(0 2px 4px, 1vw, 0 8px 32px) rgba(139, 92, 246, 0.2);
}

/* Performance optimizations for mobile */
@media (max-width: 768px) {
    * {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    .hero-section::before,
    .footer::before {
        will-change: transform;
    }
    
    .product-card {
        will-change: transform;
    }
}

/* Reduce animations on low-end devices */
@media (max-width: 480px) and (max-height: 800px) {
    .hero-section::before,
    .footer::before {
        display: none;
    }
    
    .product-card:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
}



/* Banner and Button Boundary Fixes */
@media (max-width: 768px) {
    /* Fix banner cropping issues */
    .sticky-banner-section {
        overflow: visible !important;
        padding: var(--spacing-xl) 0 !important;
        margin: 0 !important;
    }
    
    .sticky-banner-content {
        padding: 0 var(--spacing-md) !important;
        max-width: 100% !important;
        overflow: visible !important;
    }
    
    .sticky-banner-actions {
        flex-direction: column !important;
        align-items: center !important;
        gap: var(--spacing-md) !important;
        margin-bottom: var(--spacing-xl) !important;
        padding: 0 var(--spacing-md) !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .btn-sticky-banner {
        width: calc(100% - 2rem) !important;
        max-width: 300px !important;
        margin: 0 auto !important;
        padding: var(--spacing-md) var(--spacing-lg) !important;
        box-sizing: border-box !important;
        text-align: center !important;
        justify-content: center !important;
        overflow: hidden !important;
        white-space: nowrap !important;
        text-overflow: ellipsis !important;
    }
    
    /* Ensure container doesn't cause overflow */
    .sticky-banner-section .container {
        padding-left: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
        max-width: 100% !important;
        overflow: visible !important;
    }
}

@media (max-width: 480px) {
    .sticky-banner-section {
        padding: var(--spacing-lg) 0 !important;
    }
    
    .sticky-banner-actions {
        padding: 0 var(--spacing-sm) !important;
    }
    
    .btn-sticky-banner {
        width: calc(100% - 1rem) !important;
        max-width: 280px !important;
        font-size: 0.9rem !important;
        padding: var(--spacing-sm) var(--spacing-md) !important;
    }
    
    .sticky-banner-section .container {
        padding-left: var(--spacing-sm) !important;
        padding-right: var(--spacing-sm) !important;
    }
}