/* Extra Small Devices - Mobile Portrait (max-width: 575.98px) */
@media (max-width: 575.98px) {
    :root {
        --spacing-xs: 0.25rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.75rem;
        text-align: center;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 1.5rem;
        text-align: center;
        line-height: 1.3;
    }
    
    h3 {
        font-size: 1.25rem;
        text-align: center;
        line-height: 1.3;
    }
    
    h4 {
        font-size: 1.125rem;
    }
    
    h5 {
        font-size: 1rem;
    }
    
    h6 {
        font-size: 0.875rem;
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        min-height: 48px;
        min-width: 48px;
        text-align: center;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
        border-radius: var(--border-radius-md);
    }
    
    .btn-sm {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
        min-height: 44px;
        min-width: 44px;
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1.125rem;
        min-height: 52px;
        min-width: 52px;
    }
    
    .form-control {
        padding: var(--spacing-md);
        font-size: 16px;
        min-height: 48px;
        text-align: left;
    }
    
    .card {
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius-md);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
}

/* Small Devices - Mobile Landscape (576px - 767.98px) */
@media (min-width: 576px) and (max-width: 767.98px) {
    html {
        font-size: 15px;
    }
    
    .btn {
        min-height: 42px;
    }
    
    .form-control {
        font-size: 16px;
        min-height: 42px;
    }
}

/* Medium Devices - Tablet Portrait (768px - 991.98px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    html {
        font-size: 15px;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

/* Large Devices - Tablet Landscape (992px - 1199.98px) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    html {
        font-size: 16px;
    }
}

/* Tablet and Below (max-width: 991.98px) */
@media (max-width: 991.98px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .section-padding {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    
    .top-bar {
        padding: var(--spacing-xs) 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        justify-content: center;
        font-size: 1rem;
    }
    
    .category-card,
    .product-card {
        margin-bottom: var(--spacing-lg);
    }
    
    .category-image,
    .product-image {
        aspect-ratio: 3/2;
    }
    
    .category-content,
    .product-content {
        padding: var(--spacing-md);
    }
    
    .category-name,
    .product-name {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .product-actions {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .product-actions .btn {
        width: 100%;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .page-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }
}

/* Mobile Devices (max-width: 767.98px) */
@media (max-width: 767.98px) {
    .xs-hidden {
        display: none;
    }
    
    .xs-block {
        display: block;
    }
    
    .grid-cols-xs-1 {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .grid-cols-xs-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-xs-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
        text-align: center;
    }
    
    .top-bar {
        display: none;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu {
        width: 100%;
        max-width: 320px;
    }
    
    .category-grid,
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .category-card,
    .product-card {
        margin-bottom: var(--spacing-md);
        display: flex;
        flex-direction: column;
        height: 100%;
    }
    
    .category-content,
    .product-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: var(--spacing-md);
    }
    
    .category-name,
    .product-name {
        text-align: center;
        margin-bottom: var(--spacing-sm);
        font-size: 1rem;
        line-height: 1.3;
    }
    
    .product-actions {
        margin-top: auto;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .product-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .btn {
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .btn-sm {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
        min-height: 44px;
    }
    
    .form-control {
        font-size: 16px;
    }
    
    .alert {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        font-size: 1rem;
        text-align: center;
    }
    
    .empty-state {
        padding: var(--spacing-xl);
        text-align: center;
    }
    
    .empty-state-icon {
        font-size: 4rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .empty-state-title {
        font-size: 1.5rem;
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
}

/* Extra Small Mobile (max-width: 575.98px) Continued */
@media (max-width: 575.98px) {
    .xxs-hidden {
        display: none;
    }
    
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    
    .category-grid,
    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .category-card,
    .product-card {
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    
    .category-image,
    .product-image {
        display: flex;
        align-items: center;
        justify-content: center;
        aspect-ratio: 3/2;
    }
    
    .category-placeholder,
    .product-placeholder {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 100%;
        font-size: 3rem;
    }
    
    .category-emoji,
    .product-emoji {
        font-size: 3rem;
        display: block;
        text-align: center;
    }
    
    .header-content {
        gap: var(--spacing-sm);
    }
    
    .search-input {
        font-size: 16px;
    }
    
    .btn {
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 25px;
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .category-name,
    .product-name {
        font-size: 1.125rem;
        text-align: center;
        margin-bottom: var(--spacing-sm);
        font-weight: 600;
    }
    
    .product-price {
        text-align: center;
        margin-bottom: var(--spacing-md);
        font-size: 1.125rem;
    }
    
    .price-current {
        font-size: 1.25rem;
        font-weight: 700;
    }
}

/* Touch Friendly Elements */
.mobile-first {
    display: block;
}

@media (min-width: 768px) {
    .mobile-first {
        display: none;
    }
}

.touch-friendly {
    min-height: 44px;
    min-width: 44px;
    padding: var(--spacing-sm);
}

.touch-friendly-sm {
    min-height: 38px;
    min-width: 38px;
    padding: var(--spacing-xs);
}

/* Mobile Layout - Tablet and Below */
@media (max-width: 991.98px) {
    .desktop-only {
        display: none;
    }
    
    .header {
        padding-bottom: 0;
    }
    
    .main-header {
        background: var(--white);
        border-bottom: 1px solid var(--neutral-light);
    }
    
    .footer-main {
        padding: var(--spacing-md) 0;
    }
    
    .footer-main .row {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        margin: 0;
    }
    
    .footer-section {
        margin-bottom: var(--spacing-sm);
        text-align: left;
        padding: var(--spacing-sm);
    }
    
    .footer-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
        text-align: center;
        color: var(--white);
        font-weight: 600;
    }
    
    .footer-section:nth-child(4) .footer-title {
        text-align: left;
    }
    
    .footer-links {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    
    .footer-links li {
        margin-bottom: var(--spacing-xs);
    }
    
    .footer-links a {
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.85);
        text-decoration: none;
        line-height: 1.4;
    }
    
    .footer-contact {
        text-align: left;
    }
    
    .footer-contact p {
        margin-bottom: var(--spacing-xs);
        font-size: 0.875rem;
        color: rgba(255, 255, 255, 0.85);
    }
    
    .footer-contact strong {
        color: var(--white);
        font-weight: 600;
    }
    
    .footer-schedule p {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 2px;
    }
    
    .footer-bottom {
        background: var(--neutral-dark);
        padding: var(--spacing-sm) 0;
        text-align: center;
        border-top: none;
    }
    
    .footer-bottom .row {
        display: flex;
        flex-direction: column;
        gap: 2px;
        align-items: center;
        margin: 0;
    }
    
    .copyright {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.6);
        margin: 0;
        text-align: center;
    }
    
    .footer-dev {
        font-size: 0.75rem;
        color: rgba(255, 255, 255, 0.7);
        margin: 0;
        text-align: center;
    }
}

/* Mobile Specific - Tablet (max-width: 767.98px) */
@media (max-width: 767.98px) {
    .header {
        position: fixed;
        top: 0;
        z-index: 100;
        background: var(--white);
        border-bottom: 1px solid #e91e63;
    }
    
    
    .header-content {
        min-height: 60px;
        align-items: center;
        justify-content: space-between;
        padding: 0 var(--spacing-md);
    }
    
    .logo-img {
        height: 48px;
        max-width: 160px;
    }
    
    .footer-main {
        padding: var(--spacing-md) 0;
    }
    
    .footer-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-contact {
        text-align: center;
    }
    
    .footer-bottom {
        background: var(--neutral-dark);
        padding: var(--spacing-md) 0;
        border-top: none;
    }
    
    .footer-bottom .row {
        text-align: center;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .copyright,
    .footer-dev {
        text-align: center;
        margin: 0;
    }
    
    .newsletter-form .input-group {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .newsletter-form .form-control {
        margin-bottom: var(--spacing-md);
    }
    
    .newsletter-form .btn {
        width: 100%;
        min-height: 52px;
        font-size: 1.125rem;
        padding: var(--spacing-md) var(--spacing-xl);
    }
}

/* Small Mobile (max-width: 575.98px) Footer & Menu */
@media (max-width: 575.98px) {
    .main-header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-content {
        min-height: 56px;
        padding: 0 var(--spacing-sm);
    }
    
    .logo-img {
        height: 44px;
        max-width: 140px;
    }
    .footer-main .row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .footer-section {
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-xs);
        text-align: left;
    }
    
    .footer-title {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-xs);
        text-align: center;
        font-weight: 600;
    }
    
    .footer-section:nth-child(4) .footer-title {
        text-align: left;
    }
    
    .footer-links {
        margin: 0;
        padding: 0;
    }
    
    .footer-links li {
        margin-bottom: 2px;
    }
    
    .footer-links a {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.8);
        line-height: 1.2;
    }
    
    .footer-contact {
        text-align: left;
    }
    
    .footer-contact p {
        font-size: 0.75rem;
        margin-bottom: 2px;
        color: rgba(255, 255, 255, 0.8);
    }
    
    .footer-contact strong {
        color: var(--white);
        font-size: 0.8rem;
    }
    
    .footer-schedule p {
        font-size: 0.7rem;
        color: rgba(255, 255, 255, 0.65);
        margin-bottom: 1px;
    }
    
    .footer-bottom {
        background: var(--neutral-dark);
        padding: var(--spacing-xs) 0;
        border-top: none;
    }
    
    .footer-bottom .row {
        gap: 1px;
    }
    
    .copyright {
        font-size: 0.7rem;
        color: rgba(255, 255, 255, 0.5);
        margin: 0;
    }
    
    .footer-dev {
        font-size: 0.65rem;
        color: rgba(255, 255, 255, 0.65);
        margin: 0;
    }
    
    .mobile-menu {
        max-width: 280px;
    }
    
    .mobile-menu-nav a {
        padding: var(--spacing-md);
        font-size: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
    }
    
    .mobile-user-actions .mobile-action-btn {
        min-height: 48px;
        padding: var(--spacing-md);
        font-size: 1rem;
        text-align: center;
        justify-content: center;
    }
    
    .mobile-contact-info .contact-item {
        padding: var(--spacing-sm) 0;
        font-size: 0.875rem;
        display: flex;
        align-items: center;
        justify-content: flex-start;
    }
    
    .mobile-user-info {
        text-align: center;
        justify-content: center;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .mobile-badge {
        margin: var(--spacing-xs) 0 0 0;
    }
    
    .submenu-list a {
        padding-left: var(--spacing-xl);
        font-size: 0.875rem;
    }
}

/* Very Small Mobile (max-width: 400px) */
@media (max-width: 400px) {
    .footer-main {
        padding: 4px 0;
    }
    
    .footer-main .row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .footer-section {
        padding: var(--spacing-xs);
        margin-bottom: 4px;
    }
    
    .footer-title {
        font-size: 0.8rem;
        margin-bottom: 4px;
        font-weight: 600;
    }
    
    .footer-section:nth-child(4) .footer-title {
        text-align: left;
    }
    
    .footer-links li {
        margin-bottom: 1px;
    }
    
    .footer-links a {
        font-size: 0.75rem;
        line-height: 1.1;
    }
    
    .footer-contact p {
        font-size: 0.7rem;
        margin-bottom: 1px;
    }
    
    .footer-contact strong {
        font-size: 0.75rem;
    }
    
    .footer-schedule p {
        font-size: 0.65rem;
        margin-bottom: 0;
    }
    
    .footer-bottom {
        background: var(--neutral-dark);
        padding: 4px 0;
        border-top: none;
    }
    
    .copyright {
        font-size: 0.65rem;
        color: rgba(255, 255, 255, 0.45);
    }
    
    .footer-dev {
        font-size: 0.6rem;
        color: rgba(255, 255, 255, 0.6);
    }
}