body {
    font-family: Arial, sans-serif;
    background: #eef1f7;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: white;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.08);
    max-width: 460px;
    width: 100%;
}

h2 {
    text-align: center;
    color: #004085;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

input[type="file"] {
    font-size: 15px;
}

button {
    background-color: #28a745;
    color: white;
    padding: 12px;
    font-size: 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}

.note {
    font-size: 14px;
    text-align: center;
    color: #666;
    margin-top: 15px;
}