body {
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 700px;
    margin: 50px auto;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

h2 { color: #333; }

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    margin-top: 20px;
    padding: 12px 25px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover { background-color: #45a049; }

.companion {
    border: 1px solid #ddd;
    padding: 15px;
    margin-top: 15px;
    border-radius: 5px;
    background: #f9f9f9;
}

#message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    display: none;
}

#message.success { background-color: #d4edda; color: #155724; }
#message.error { background-color: #f8d7da; color: #721c24; }