body {
    font-family: system-ui, sans-serif;
    background: #f5f7fa;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

form {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

form p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

input[type="file"] {
    display: block;
    margin: 1rem auto;
}

input[type="submit"] {
    background: #4f46e5;
    color: #fff;
    font-weight: 500;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
}

input[type="submit"]:hover {
    background: #4338ca;
}

p {
    margin-top: 1rem;
}

a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}