/* Shop Mobile Fixes CSS */

/* Critical Mobile Base Styles */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* Base Mobile Overrides */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }
    
    .container {
        padding: 0 1rem;
        max-width: 100%;
        margin: 0 auto;
    }
    
    /* Fix viewport units on mobile */
    .enhanced-shop-hero {
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
    }
}

/* Critical fix for horizontal overflow */
* {
    box-sizing: border-box;
}

*:before,
*:after {
    box-sizing: border-box;
}

@media (max-width: 768px) {
    html,
    body {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .container,
    .nav-container,
    .filter-container,
    .enhanced-shop-grid,
    .shop-hero-content {
        max-width: 100vw;
        overflow-x: hidden;
    }
}

/* Hero Section Mobile Fixes */
@media (max-width: 768px) {
    .enhanced-shop-hero {
        min-height: 80vh;
        padding: 2rem 0;
    }
    
    .shop-hero-content {
        padding: 1rem;
        text-align: center;
    }
    
    .shop-hero-content h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin: 2rem 0;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-content h3 {
        font-size: 1.5rem;
    }
    
    .stat-content p {
        font-size: 0.9rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .primary-cta-btn,
    .secondary-cta-btn {
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .shop-hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-badge {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}

/* Filter Section Mobile Fixes */
@media (max-width: 768px) {
    .enhanced-filter-section {
        margin: 2rem 0;
    }
    
    .filter-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .filter-tabs {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }
    
    .filter-tab {
        flex: 1;
        min-width: calc(50% - 0.25rem);
        padding: 0.8rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .filter-tab span:first-of-type {
        display: none; /* Hide text on very small screens */
    }
    
    .filter-tab i {
        margin-right: 0.3rem;
    }
    
    .filter-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-box {
        width: 100%;
    }
    
    .search-box input {
        width: 100%;
        padding: 0.8rem 1rem 0.8rem 2.5rem;
    }
    
    .sort-dropdown {
        width: 100%;
    }
    
    .sort-dropdown select {
        width: 100%;
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .filter-tab {
        min-width: calc(50% - 0.25rem);
        padding: 0.6rem 0.3rem;
        font-size: 0.8rem;
    }
    
    .filter-tab .tab-count {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
}

/* Shop Grid Mobile Fixes */
@media (max-width: 768px) {
    .enhanced-shop-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem 0;
    }
    
    .premium-national-card,
    .enhanced-shop-card {
        margin: 0;
        padding: 1.5rem;
    }
    
    .premium-card-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .premium-exam-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
    
    .premium-exam-title {
        font-size: 1.3rem;
        line-height: 1.3;
    }
    
    .premium-exam-subtitle {
        font-size: 0.9rem;
    }
    
    .premium-exam-meta {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        margin: 1rem 0;
    }
    
    .premium-meta-item {
        padding: 0.8rem;
        text-align: center;
    }
    
    .premium-features-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .premium-card-pricing {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .premium-card-actions {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1.5rem;
    }
    
    .premium-buy-btn,
    .learn-more-btn {
        width: 100%;
        padding: 0.9rem;
        font-size: 1rem;
    }
    
    .premium-trust-indicators {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }
    
    .premium-badges-container {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .enhanced-shop-grid {
        gap: 1rem;
        padding: 0.5rem 0;
    }
    
    .premium-national-card,
    .enhanced-shop-card {
        padding: 1rem;
    }
    
    .premium-exam-title {
        font-size: 1.2rem;
    }
    
    .premium-current-price {
        font-size: 1.5rem;
    }
    
    .premium-original-price {
        font-size: 0.9rem;
    }
    
    .premium-buy-btn,
    .learn-more-btn {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}

/* Modal Mobile Fixes */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-width: 400px;
        margin: 2rem auto;
        padding: 1.5rem;
    }
    
    .auth-form {
        padding: 0;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group input {
        padding: 0.8rem;
        font-size: 1rem;
    }
    
    .auth-btn {
        padding: 0.9rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .social-btn {
        padding: 0.8rem;
        width: 100%;
        font-size: 0.9rem;
    }
}

/* Navigation Mobile Fixes */
@media (max-width: 768px) {
    .navbar .nav-container {
        padding: 0 1rem;
    }
    
    .nav-logo h2 {
        font-size: 1.5rem;
    }
    
    .nav-logo .tagline {
        font-size: 0.7rem;
    }
    
    .hamburger {
        display: block;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 5rem;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }
    
    .nav-menu.mobile-active {
        right: 0;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
        width: 90%;
        text-align: center;
    }
    
    .nav-link {
        display: block;
        padding: 0.8rem 1rem;
        border-radius: 8px;
        transition: all 0.3s ease;
        width: 100%;
    }
    
    .nav-link:hover {
        background: rgba(102, 126, 234, 0.1);
        color: #667eea;
    }
    
    .login-btn {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white !important;
        margin-top: 1rem;
    }
    
    .user-profile-btn {
        background: rgba(102, 126, 234, 0.1);
        color: #667eea;
        margin-top: 1rem;
    }
}

/* Features Section Mobile Fixes */
@media (max-width: 768px) {
    .enhanced-features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 0;
    }
    
    .feature-card {
        padding: 1.5rem;
        text-align: center;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin: 0 auto 1rem;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

/* Testimonials Mobile Fixes */
@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .testimonial-content {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .testimonial-author img {
        width: 40px;
        height: 40px;
    }
    
    .testimonial-author h4 {
        font-size: 0.9rem;
    }
    
    .testimonial-author p {
        font-size: 0.8rem;
    }
}

/* Footer Mobile Fixes */
@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .footer-section ul li {
        margin-bottom: 0.5rem;
    }
    
    .footer-section ul li a {
        font-size: 0.9rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding-top: 1rem;
    }
}

/* Utility Classes for Mobile */
@media (max-width: 768px) {
    .mobile-hidden {
        display: none !important;
    }
    
    .mobile-center {
        text-align: center !important;
    }
    
    .mobile-full-width {
        width: 100% !important;
    }
    
    .mobile-no-margin {
        margin: 0 !important;
    }
    
    .mobile-small-padding {
        padding: 0.5rem !important;
    }
}

/* Performance Optimizations for Mobile */
@media (max-width: 768px) {
    /* Reduce animation complexity on mobile */
    .premium-card-glow,
    .card-glow,
    .floating-particles {
        display: none;
    }
    
    /* Simplify transforms for better performance */
    .premium-national-card:hover,
    .enhanced-shop-card:hover {
        transform: none;
    }
    
    /* Reduce box-shadows for better performance */
    .premium-national-card,
    .enhanced-shop-card {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
}

/* Fix for horizontal scrolling issues */
@media (max-width: 768px) {
    * {
        max-width: 100%;
    }
    
    .container,
    .nav-container,
    .shop-hero-content,
    .filter-container,
    .enhanced-shop-grid {
        max-width: 100%;
        overflow-x: hidden;
    }
}

/* Improved touch targets for mobile */
@media (max-width: 768px) {
    .premium-buy-btn,
    .learn-more-btn,
    .filter-tab,
    .nav-link,
    .auth-btn,
    .social-btn {
        min-height: 44px; /* Apple's recommended touch target size */
        min-width: 44px;
    }
}