/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container-fluid {
        padding: 1rem;
    }

    .product-card {
        margin-bottom: 1rem;
    }

    .carousel-item {
        height: 300px;
    }

    .table {
        font-size: 0.95rem;
    }

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

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.95rem;
    }

    .card-body {
        padding: 1rem;
    }

    main {
        padding: 1.5rem 1rem !important;
    }

    .sidebar {
        width: 180px;
    }

    .sidebar .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }

    .navbar {
        padding: 0.5rem 0;
    }

    .container, .container-fluid {
        padding: 0 0.5rem;
    }

    /* Header */
    h1 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    h5 {
        font-size: 1rem;
    }

    h6 {
        font-size: 0.9rem;
    }

    /* Carousel */
    .carousel-item {
        height: 250px;
    }

    /* Product Grid */
    .row {
        --bs-gutter-x: 0.5rem;
        --bs-gutter-y: 0.5rem;
    }

    .col-6, .col-sm-6, .col-md-4, .col-lg-3 {
        flex: 0 0 calc(50% - 0.25rem);
    }

    .product-image {
        height: 150px;
    }

    .product-card {
        margin-bottom: 0.5rem;
    }

    .product-name {
        font-size: 0.9rem;
        min-height: 2rem;
    }

    .product-price {
        font-size: 1rem;
    }

    /* Cart */
    .cart-item-image {
        width: 60px;
        height: 60px;
    }

    /* Forms */
    .form-control, .form-select {
        padding: 0.5rem 0.75rem;
        font-size: 0.95rem;
    }

    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }

    .form-check {
        margin-bottom: 0.5rem;
    }

    .input-group {
        gap: 0;
    }

    /* Buttons */
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
        width: 100%;
    }

    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
        width: auto;
    }

    .btn-lg {
        padding: 0.75rem 1rem;
        width: 100%;
    }

    /* Cards */
    .card {
        margin-bottom: 1rem;
        border-radius: 6px;
    }

    .card-header {
        padding: 0.75rem;
    }

    .card-body {
        padding: 0.75rem;
    }

    /* Tables */
    .table-responsive {
        font-size: 0.85rem;
    }

    .table {
        margin-bottom: 0;
    }

    .table thead {
        font-size: 0.8rem;
    }

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

    .table-hover tbody tr:hover {
        background-color: #f8f9fa;
    }

    /* Sidebar Navigation */
    .list-group-item {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    /* Modals */
    .modal-dialog {
        margin: 0.5rem;
    }

    .modal-content {
        border-radius: 6px;
    }

    .modal-header {
        padding: 1rem;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-footer {
        padding: 1rem;
    }

    /* Alerts */
    .alert {
        padding: 0.75rem;
        margin-bottom: 1rem;
        font-size: 0.9rem;
    }

    /* Badges */
    .badge {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
    }

    #cart-count {
        font-size: 0.65rem;
        padding: 1px 3px;
    }

    /* Footer */
    footer {
        padding: 2rem 1rem !important;
    }

    footer h5 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    footer p {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }

    /* Dropdowns */
    .dropdown-menu {
        font-size: 0.9rem;
    }

    .dropdown-item {
        padding: 0.5rem 1rem;
    }

    /* Pagination */
    .pagination {
        gap: 0.25rem;
    }

    .page-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }

    /* Stepper */
    .step-circle {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        margin-bottom: 5px;
    }

    /* Upload Area */
    .upload-area {
        padding: 1.5rem;
    }

    .upload-area i {
        font-size: 2rem;
    }

    /* Admin Cards */
    .bg-primary, .bg-success, .bg-warning, .bg-danger {
        padding: 1rem;
    }

    .card-body .d-flex {
        flex-direction: column;
        gap: 0.5rem;
    }

    .card-body h6 {
        font-size: 0.75rem;
    }

    .card-body h3 {
        font-size: 1.5rem;
    }

    .card-body i {
        font-size: 2.5rem;
        opacity: 0.3;
    }

    /* Sidebar Admin */
    .sidebar {
        position: fixed;
        left: -250px;
        width: 250px;
        height: calc(100vh - 60px);
        z-index: 999;
        overflow-y: auto;
        background-color: white;
        box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
    }

    .sidebar.show {
        left: 0;
    }

    main {
        width: 100%;
        margin-left: 0;
        padding: 1rem !important;
    }

    .container-fluid {
        flex-direction: column;
    }

    /* Checkbox custom */
    .form-check-input {
        width: 1.1em;
        height: 1.1em;
        margin-right: 0.5rem;
    }

    /* Row gaps */
    .row {
        margin-left: -0.25rem;
        margin-right: -0.25rem;
    }

    .col-6, .col-md-3, .col-lg-4 {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    body {
        font-size: 13px;
    }

    .navbar-brand {
        font-size: 1rem;
    }

    h1 {
        font-size: 1.25rem;
    }

    h2 {
        font-size: 1.1rem;
    }

    .carousel-item {
        height: 200px;
    }

    .product-image {
        height: 120px;
    }

    .product-name {
        font-size: 0.85rem;
    }

    .product-price {
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }

    .card {
        margin-bottom: 0.75rem;
    }

    .card-header {
        padding: 0.5rem;
    }

    .card-body {
        padding: 0.5rem;
    }

    .table {
        font-size: 0.8rem;
    }

    .table td, .table th {
        padding: 0.4rem 0.2rem;
    }

    .form-control, .form-select {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }

    .modal-dialog {
        margin: 0.25rem;
    }

    .col-6 {
        flex: 0 0 calc(50% - 0.125rem);
        padding-left: 0.125rem;
        padding-right: 0.125rem;
    }

    .step-circle {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .upload-area {
        padding: 1rem;
    }

    footer {
        padding: 1.5rem 0.75rem !important;
    }

    footer h5 {
        font-size: 0.95rem;
    }

    footer p {
        font-size: 0.8rem;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .carousel-item {
        height: 200px;
    }

    h1 {
        margin-bottom: 0.5rem;
    }

    .form-control, .form-select {
        padding: 0.4rem;
    }

    .btn {
        padding: 0.4rem 0.8rem;
    }

    main {
        padding: 0.75rem !important;
    }
}

/* Print */
@media print {
    .navbar, footer, .btn, .modal {
        display: none;
    }

    .card {
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }

    body {
        background-color: white;
    }
}