body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 4px 8px rgba(0,0,0,0.1);
    width: 350px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

label {
    font-weight: bold;
}

input, textarea, button {
    width: 100%;
    padding: 8px;
    margin: 5px 0 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #28a745;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #218838;
}

.error {
    color: red;
    font-size: 14px;
}

.success {
    color: green;
    text-align: center;
    font-weight: bold;
}