nav .menu-toggle {
    display: none;
}

nav .nav-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-right: 16px;
    text-decoration: none;
    vertical-align: middle;
}

nav .nav-logo {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    object-fit: contain;
    background-color: white;
    padding: 2px;
}

nav .nav-logo-text {
    font-weight: bold;
    color: inherit;
}

@media (max-width: 1024px) {
    .container {
        padding: 0 16px;
    }

    nav a {
        margin: 0 10px;
    }

    nav .theme-toggle {
        margin-left: 8px;
    }

    .products {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    header {
        padding: 16px;
    }

    header h1 {
        font-size: 26px;
    }

    header p {
        font-size: 14px;
    }

    nav.mobile-nav {
        display: block;
        text-align: left;
        padding: 10px 12px;
    }

    nav.mobile-nav .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background-color: transparent;
        color: white;
        border: 1px solid #60a5fa;
        border-radius: 999px;
        padding: 7px 12px;
        font-weight: bold;
        cursor: pointer;
        margin-bottom: 4px;
    }

    nav.mobile-nav .menu-toggle:focus-visible {
        outline: 2px solid #93c5fd;
        outline-offset: 2px;
    }

    nav.mobile-nav > a:not(.nav-logo-link),
    nav.mobile-nav > .theme-toggle,
    nav.mobile-nav > .logout-link,
    nav.mobile-nav > .auth-link {
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        padding-top: 0;
        padding-bottom: 0;
        transform: translateY(-6px);
        transition: max-height 0.25s ease, opacity 0.2s ease, transform 0.2s ease, padding 0.2s ease;
        pointer-events: none;
    }

    nav.mobile-nav:not(.open) > :not(.menu-toggle):not(.nav-logo-link) {
        display: none;
    }

    nav.mobile-nav.open > a:not(.nav-logo-link),
    nav.mobile-nav.open > .theme-toggle,
    nav.mobile-nav.open > .logout-link,
    nav.mobile-nav.open > .auth-link {
        display: block;
        margin: 0;
        padding: 10px 2px;
        font-size: 14px;
        max-height: 48px;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    nav.mobile-nav.open > .theme-toggle {
        margin-top: 8px;
        width: auto;
    }

    nav.mobile-nav .nav-logo-link {
        margin-right: 10px;
        margin-left: 6px;
    }

    nav.mobile-nav .nav-logo {
        width: 28px;
        height: 28px;
    }

    .container {
        margin: 16px auto;
        padding: 0 14px;
    }

    .products {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .filter-select,
    .filter-input {
        width: 100%;
        min-width: 0;
    }

    .filter-buttons {
        width: 100%;
    }

    .filter-buttons button {
        flex: 1;
    }

    .product-card img {
        height: 180px;
    }

    .cart-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .cart-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .cart-actions,
    .item-actions {
        width: 100%;
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .compare-wrapper table {
        min-width: 560px;
    }

    .faq-item summary {
        padding: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    nav.mobile-nav > a:not(.nav-logo-link),
    nav.mobile-nav > .theme-toggle,
    nav.mobile-nav > .logout-link,
    nav.mobile-nav > .auth-link {
        transition: none;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 22px;
    }

    .container {
        padding: 0 12px;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

    .auth-card,
    .panel,
    .cart-section,
    .compare-section {
        padding: 16px;
    }

    .search-input {
        max-width: 100%;
        font-size: 15px;
    }

    .product-card {
        padding: 14px;
    }

    .product-card img {
        height: 165px;
    }
}