* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f6f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #ffffff;
    padding: 30px;
    width: 100%;
    max-width: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.form-group {
    margin-bottom: 15px;
}

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

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #007bff;
}

button {
    width: 100%;
    padding: 10px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.error {
    color: red;
    font-size: 12px;
}

#formMessage {
    margin-top: 15px;
    text-align: center;
    font-weight: bold;
}

.hidden-field {
    display: none;
}