@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --primary-color: #0070f3;
    --background-color: #f7f7f7;
    --text-color: #333;
    --card-background: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    width: 100%;
}

footer {
    flex-shrink: 0;
    text-align: center;
    padding: 1rem;
    background-color: var(--card-background);
    margin-top: 2rem;
    width: 100%;
}

header {
    background-color: var(--card-background);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

.cart-icon {
    font-size: 1.2rem;
    cursor: pointer;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.shop-container {
    display: flex;
    gap: 2rem;
}

.categories {
    width: 200px;
    background-color: var(--card-background);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.categories h2 {
    margin-bottom: 1rem;
}

.categories ul {
    list-style: none;
}

.categories li {
    margin-bottom: 0.5rem;
}

.categories a {
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.categories a:hover, .categories a.active {
    color: var(--primary-color);
}

.categories a.active {
    color: var(--primary-color);
    font-weight: bold;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    flex-grow: 1;
}

.product-card {
    background-color: var(--card-background);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1rem;
}

.product-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.product-price {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.add-to-cart {
    display: block;
    width: 100%;
    padding: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.add-to-cart:hover {
    background-color: #0051a8;
}

.admin-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--card-background);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.admin-panel button {
    display: block;
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.admin-panel button:hover {
    background-color: #0051a8;
}

.admin-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--card-background);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.admin-panel button {
    display: block;
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.admin-panel button:hover {
    background-color: #0051a8;
}

.admin-login {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.admin-login:hover {
    background-color: #0056b3;
}

#delete-category, #delete-product {
    background-color: #dc3545;
}

#delete-category:hover, #delete-product:hover {
    background-color: #c82333;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--card-background);
    margin: 10% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 500px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

#product-form input,
#product-form select,
#product-form textarea {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#product-form button {
    display: block;
    width: 100%;
    padding: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#product-form button:hover {
    background-color: #0051a8;
}

@media (max-width: 768px) {
    .shop-container {
        flex-direction: column;
    }

    .categories {
        width: 100%;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--card-background);
        padding: 1rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.5rem 0;
    }

    .menu-toggle {
        display: block;
    }
}