styles.css

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 80%;
    max-width: 800px;
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

.upload-section {
    margin-bottom: 20px;
}

.upload-label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #555;
}

input[type="file"] {
    display: block;
    margin: 0 auto 20px;
}

.preview-section {
    position: relative;
    margin-bottom: 20px;
}

#secondary-preview {
    max-width: 100%;
    height: auto;
}

canvas {
    max-width: 100%;
    height: auto;
}

.buttons {
    margin-top: 20px;
}

button {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}