/* Responsive Design */

/* Large screens - ensure 4 columns */
@media (min-width: 969px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}

/* Tablet */
@media (max-width: 968px) {
    .container {
        padding: 0 30px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cart-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .checkout-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .checkout-summary,
    .cart-summary {
        position: static;
        margin-top: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .feature-item {
        padding: 2rem;
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    /* Header Improvements */
    .header {
        padding: 0.75rem 0;
    }

    .header-content {
        flex-wrap: wrap;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .logo .subtitle {
        font-size: 0.8rem;
    }

    .menu-toggle {
        display: block;
        order: 2;
        margin-left: auto;
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        background: var(--gradient-primary);
        flex-direction: column;
        padding: 1.5rem;
        transition: left 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        z-index: 999;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem;
        margin: 0.25rem 0;
        border-radius: 8px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .cart-link {
        position: relative;
    }

    .cart-count {
        position: absolute;
        top: -8px;
        right: -8px;
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
        min-width: 20px;
    }

    .auth-links {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .auth-links .nav-link {
        margin: 0;
    }

    .user-menu {
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: 1rem;
        margin-top: 1rem;
    }

    .user-name {
        font-size: 1rem;
    }

    .btn-logout {
        width: 100%;
        padding: 0.75rem;
        min-height: 44px;
    }

    /* Hero Section */
    .hero {
        padding: 4rem 0;
        background-attachment: scroll;
    }

    .hero-content {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
        padding: 0 10px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        padding: 0 10px;
    }

    .btn {
        width: 100%;
        padding: 1rem 2rem;
        font-size: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Features Section */
    .features-banner {
        padding: 3rem 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-item {
        padding: 2rem 1.5rem;
    }

    .feature-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }

    .feature-item h3 {
        font-size: 1.2rem;
    }

    /* Products Section */
    .products-section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-card {
        border-radius: 15px;
    }

    .product-image {
        height: 220px;
    }

    .product-info {
        padding: 1.25rem;
    }

    .product-name {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }

    .product-price {
        font-size: 1.2rem;
    }

    /* Products Controls */
    .products-controls {
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .search-box {
        width: 100%;
        display: flex;
        gap: 0.5rem;
    }

    .search-input {
        flex: 1;
        padding: 0.875rem 1rem;
        font-size: 1rem;
        min-height: 48px;
        border-radius: 8px;
    }

    .search-btn {
        min-width: 48px;
        min-height: 48px;
        padding: 0.875rem;
        border-radius: 8px;
    }

    .filter-box {
        width: 100%;
        flex-direction: column;
        gap: 0.75rem;
    }

    .filter-select {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 1rem;
        min-height: 48px;
        border-radius: 8px;
    }

    /* Cart & Checkout */
    .cart-item {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }

    .cart-item-image {
        width: 100%;
        height: 200px;
        border-radius: 10px;
    }

    .cart-item-info {
        width: 100%;
    }

    .cart-item-controls {
        width: 100%;
        justify-content: space-between;
        margin-top: 1rem;
    }

    .quantity-controls {
        gap: 0.75rem;
    }

    .quantity-btn {
        min-width: 40px;
        min-height: 40px;
        font-size: 1.2rem;
    }

    .quantity-input {
        width: 60px;
        text-align: center;
        padding: 0.5rem;
        min-height: 40px;
    }

    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .form-group {
        margin-bottom: 1.25rem;
    }

    .form-group label {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
        display: block;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 1rem;
        min-height: 48px;
        border-radius: 8px;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }

    .form-group textarea {
        min-height: 120px;
        resize: vertical;
    }

    input[type="radio"],
    input[type="checkbox"] {
        min-width: 20px;
        min-height: 20px;
        width: 20px;
        height: 20px;
    }

    /* About Page */
    .process-steps {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem;
    }

    .process-step {
        padding: 1.5rem;
    }

    /* Footer */
    .footer {
        padding: 3rem 0 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-section {
        padding: 1.5rem 0;
    }

    .footer-section h3,
    .footer-section h4 {
        margin-bottom: 1rem;
    }

    .footer-section ul {
        list-style: none;
        padding: 0;
    }

    .footer-section ul li {
        margin-bottom: 0.75rem;
    }

    .footer-section ul li a {
        font-size: 0.95rem;
        padding: 0.5rem 0;
        display: block;
    }

    .social-links {
        justify-content: center;
        gap: 1rem;
        margin-top: 1rem;
    }

    .social-link {
        padding: 0.75rem 1.25rem;
        min-height: 44px;
    }

    /* Admin Panel */
    .admin-tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 0;
    }

    .admin-tab {
        border-bottom: 1px solid var(--border-color);
        border-left: 3px solid transparent;
        padding: 1rem;
        min-height: 48px;
        text-align: left;
    }

    .admin-tab.active {
        border-left-color: var(--primary-color);
        border-bottom-color: var(--border-color);
    }

    .admin-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 1rem 0;
    }

    .admin-table {
        min-width: 600px;
        font-size: 0.9rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.75rem 0.5rem;
    }

    /* Modals */
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 5% auto;
        padding: 1.5rem;
        max-height: 90vh;
        overflow-y: auto;
    }

    .modal-close {
        font-size: 1.5rem;
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }

    /* Custom Modal Responsive */
    .custom-modal.active {
        padding: 10px;
        align-items: flex-start;
        padding-top: 10%;
    }

    .custom-modal-content {
        padding: 2rem 1.5rem;
        max-width: 100%;
        border-radius: 15px;
    }

    .modal-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }

    .custom-modal-content h2 {
        font-size: 1.5rem;
    }

    .modal-message {
        font-size: 1rem;
    }

    .modal-submessage {
        font-size: 0.9rem;
    }

    .modal-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

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

    .success-icon {
        width: 60px;
        height: 60px;
        font-size: 2.5rem;
    }

    .success-content {
        padding: 1.5rem;
    }

    .success-content h3 {
        font-size: 1.1rem;
    }

    .success-info-item {
        flex-direction: column;
        gap: 0.25rem;
        text-align: left;
    }

    .success-info-label {
        font-size: 0.9rem;
    }

    .success-info-value {
        font-size: 0.95rem;
        text-align: right;
    }

    .success-total {
        font-size: 1.1rem;
    }

    /* Product Detail */
    .product-detail-content {
        gap: 1.5rem;
    }

    .product-detail-image {
        width: 100%;
        border-radius: 15px;
    }

    .product-thumbnails {
        gap: 0.5rem;
    }

    .product-thumbnail {
        width: 80px;
        height: 80px;
    }

    .product-detail-info {
        padding: 1.5rem 0;
    }

    .product-detail-info h1 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }

    .product-detail-price {
        font-size: 1.75rem;
        margin: 1rem 0;
    }

    .product-detail-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .product-detail-actions .btn {
        width: 100%;
    }

    /* Contact Page */
    .contact-info,
    .contact-form-section {
        padding: 1.5rem;
    }

    .contact-info h2,
    .contact-form-section h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    /* Payment Methods */
    .payment-methods {
        flex-direction: column;
        gap: 1rem;
    }

    .payment-method {
        padding: 1rem;
        min-height: 48px;
    }

    .payment-method label {
        padding: 0.75rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    /* Page Titles */
    .page-title {
        font-size: 2rem;
        margin-bottom: 2rem;
        text-align: center;
    }

    /* Auth Pages */
    .auth-container {
        padding: 2rem 1.5rem;
        margin: 2rem auto;
    }

    .auth-container h1 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    /* Policies */
    .policies-section {
        padding: 2rem 1.5rem;
    }

    .policies-section h2 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .policy-item {
        margin-bottom: 2rem;
    }

    .policy-item h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    /* Touch Targets - Ensure all interactive elements are at least 44x44px */
    button,
    a.btn,
    .nav-link,
    input[type="submit"],
    input[type="button"] {
        min-height: 44px;
        min-width: 44px;
    }

    /* Improve scrolling */
    * {
        -webkit-tap-highlight-color: transparent;
    }

    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Small Mobile (iPhone SE, etc.) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    /* Header */
    .logo h1 {
        font-size: 1.3rem;
    }

    .logo .subtitle {
        font-size: 0.75rem;
    }

    /* Hero */
    .hero {
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 5px;
    }

    .hero-buttons {
        padding: 0 5px;
    }

    /* Typography */
    .section-title {
        font-size: 1.75rem;
    }

    .page-title {
        font-size: 1.75rem;
    }

    /* Products */
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .product-image {
        height: 200px;
    }

    .product-info {
        padding: 1rem;
    }

    /* Features */
    .feature-item {
        padding: 1.5rem 1rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .feature-item h3 {
        font-size: 1.1rem;
    }

    .feature-item p {
        font-size: 0.9rem;
    }

    /* Auth */
    .auth-container {
        padding: 1.5rem 1rem;
        margin: 1rem auto;
    }

    .auth-container h1 {
        font-size: 1.5rem;
    }

    /* Product Detail */
    .product-detail-info h1 {
        font-size: 1.5rem;
    }

    .product-detail-price {
        font-size: 1.5rem;
    }

    /* Cart & Checkout */
    .cart-summary,
    .checkout-summary {
        padding: 1.25rem;
    }

    .cart-item {
        padding: 1rem;
    }

    /* About */
    .about-section h2 {
        font-size: 1.5rem;
    }

    .process-step {
        padding: 1.25rem;
    }

    /* Contact */
    .contact-info,
    .contact-form-section {
        padding: 1.25rem;
    }

    .contact-info h2,
    .contact-form-section h2 {
        font-size: 1.35rem;
    }

    /* Policies */
    .policies-section {
        padding: 1.5rem 1rem;
    }

    .policies-section h2 {
        font-size: 1.5rem;
    }

    .policy-item h3 {
        font-size: 1.15rem;
    }

    /* Footer */
    .footer {
        padding: 2rem 0 1.5rem;
    }

    .footer-section {
        padding: 1rem 0;
    }

    /* Modal */
    .modal-content {
        padding: 1.25rem;
        margin: 2% auto;
    }

    /* Admin */
    .admin-table {
        font-size: 0.85rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.5rem 0.25rem;
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .section-title,
    .page-title {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    .product-info {
        padding: 0.875rem;
    }

    .feature-item {
        padding: 1.25rem 0.875rem;
    }
}