body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f4f8; /* Soft background for a modern look */
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 600px; /* Slightly wider for a more spacious feel */
    margin: auto;
    background: white;
    padding: 30px; /* Increased padding for comfort */
    border-radius: 10px; /* More rounded corners for a friendly appearance */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); /* Deeper shadow for depth */
    transition: transform 0.3s; /* Smooth hover effect */
}

.container:hover {
    transform: scale(1.02); /* Subtle zoom effect on hover */
}

h1 {
    text-align: center;
    font-size: 2.5rem; /* Larger font size for emphasis */
    color: #007bff; /* Bold color for the header */
}

input[type="file"] {
    width: 100%; /* Full width for better usability */
    padding: 15px; /* Increased padding for touch targets */
    /* border: 2px solid #007bff;  Bold border to match theme */
    border-radius: 5px;
    margin-top: 10px;
}

input[type="file"]:hover {
    border-color: #0056b3; /* Darker border on hover */
}

button {
    background-color: #007bff; /* Primary button color */
    color: white;
    border: none;
    padding: 15px;
    width: 100%; /* Full width for consistency */
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem; /* Larger font size for buttons */
    transition: background-color 0.3s, transform 0.3s; /* Smooth transitions */
}

button:hover {
    background-color: #0056b3; /* Darker shade on hover */
    transform: translateY(-2px); /* Lift effect on hover */
}

.response {
    margin-top: 20px;
    text-align: center;
    font-size: 1.5rem; /* Increased font size for visibility */
}