body {
    font-family: sans-serif;
    padding: 20px;
    background: #f9f9f9;
}

.container {
    max-width: 500px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px #ccc;
}

h1, h2 {
    text-align: center;
}

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

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

button {
    margin-top: 15px;
    width: 100%;
    padding: 10px;
    background: #28a745;
    color: white;
    border: none;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #218838;
}

.success {
    background: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}