/* General Body Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #FFFFFF;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Header and Navigation */
header {
    background-color: #FFD700;
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: #000;
}

/* Hero Section */
.hero {
    background-color: #FFD700;
    color: #333;
    text-align: center;
    padding: 4rem 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    background-color: #333;
    color: #FFFFFF;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #555;
}

/* Product Lists */
.featured-products, .products-page {
    padding: 2rem;
    text-align: center;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-item {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    text-align: left;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.product-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.product-item h3 {
    font-size: 1.2rem;
    margin: 1rem 0 0.5rem;
}

.product-item p {
    color: #666;
    font-size: 0.9rem;
}

.product-item .price {
    font-weight: bold;
    color: #333;
    margin: 0.5rem 0;
}

/* Cart Page */
.cart-page {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

#cart-items {
    border-bottom: 2px solid #ddd;
    padding-bottom: 1rem;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.cart-item-info {
    flex: 1;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-item-actions input {
    width: 50px;
    text-align: center;
}

.cart-total {
    text-align: right;
    margin-top: 1rem;
    font-size: 1.5rem;
}

/* Forms (Login, Register, Add Product) */
.form-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.form-container h1 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-container form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-container input,
.form-container textarea {
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

.form-container p {
    text-align: center;
    margin-top: 1rem;
}

/* Footer */
footer {
    background-color: #333;
    color: #FFFFFF;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul {
        display: none; /* Simple hiding for now, can be a toggle menu */
    }

    .hero h1 {
        font-size: 2rem;
    }

    .product-list {
        grid-template-columns: 1fr;
    }
}

/* AI Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

#chat-toggle-btn {
    background-color: #FFD700;
    color: #333;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

#chat-toggle-btn:hover {
    transform: scale(1.1);
}

.chat-window {
    width: 350px;
    height: 500px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    background-color: #FFD700;
    color: #333;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

#chat-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.message {
    padding: 0.5rem 1rem;
    border-radius: 15px;
    max-width: 80%;
    line-height: 1.4;
}

.message.sent {
    background-color: #333;
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 0;
}

.message.received {
    background-color: #f1f1f1;
    color: #333;
    align-self: flex-start;
    border-bottom-left-radius: 0;
}

.chat-input {
    display: flex;
    border-top: 1px solid #ddd;
}

#chat-input-field {
    flex: 1;
    border: none;
    padding: 1rem;
    font-size: 1rem;
    outline: none;
}

#chat-send-btn {
    background-color: #FFD700;
    border: none;
    color: #333;
    padding: 0 1.5rem;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
}

#chat-send-btn:hover {
    background-color: #f0c400;
}