body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    background: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

input {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

textarea {
    width: 100%;
    height: 100px;
    margin-bottom: 10px;
    padding: 10px;
    font-size: 16px;
}

button {
    padding: 10px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

#results {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.ingredient-category {
    width: 45%;
    margin-bottom: 20px;
}

.ingredient-category h2 {
    margin-top: 0;
}

.ingredient-category ul {
    list-style-type: none;
    padding: 0;
}

.button-container {
    display: flex;
    margin-top: 10px;
}

button {
    padding: 10px;
    font-size: 16px;
    border: none;
    margin-right: 1vw;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"] {
    background-color: #4CAF50;
    color: white;
}

button[type="submit"]:hover {
    background-color: #45a049;
}

button[type="button"] {
    background-color: #f44336;
    color: white;
}

button[type="button"]:hover {
    background-color: #e53935;
}

#camera-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
#camera-modal.active {
    display: flex;
}
#upload-input {
    display: none;
}
#camera-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}
video {
    width: 100%;
    height: auto;
}
canvas {
    display: none;
}

/* Header Navigation */
header {
    background-color: #4CAF50;
    padding: 15px 20px;
    text-align: center;
}

header nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    margin: 0 15px;
    transition: color 0.3s, text-decoration 0.3s;
}

header nav a:hover,
header nav a.active {
    text-decoration: underline;
    color: #e0f7e9;
}

/* Home Page Container */
.home-container {
    max-width: 800px;
    margin: 50px auto;
    background: white;
    padding: 40px 30px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    border-radius: 10px;
    text-align: center;
}

.home-container h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #4CAF50;
}

.home-container p {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 30px;
}

.home-container a.button {
    display: inline-block;
    padding: 12px 25px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.home-container a.button:hover {
    background-color: #45a049;
}

footer {
    text-align: center;
    padding: 15px 0;
    background-color: #4CAF50;
    color: white;
    margin-top: 50px;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .home-container {
        margin: 20px;
        padding: 30px 15px;
    }
    header nav a {
        display: block;
        margin: 10px 0;
    }
}

.preview {
    background: white;
    border: 2px solid #ccc;
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.preview:hover {
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transform: scale(1.02);
}

.ingredients {
    margin-top: 20px;
    text-align: left;
    padding: 15px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #ddd;
}

.product-preview {
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 16px;
    margin: 12px 0;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.product-preview:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.product-preview:active {
    transform: scale(0.97);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.product-preview h3 {
    margin: 0 0 8px;
    font-size: 18px;
    color: #333;
}

.product-preview p {
    margin: 4px 0;
    color: #555;
}

.product-preview .brand {
    font-style: italic;
    color: #777;
}

.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    overflow-y: auto;
}