body {
    font-family: Arial, sans-serif;
    background: #e8f5e9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.container {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}
h2 {
    text-align: center;
    margin-bottom: 20px;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}
input, textarea, select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}
button {
    width: 100%;
    padding: 12px;
    background: #2e8b57;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    color: #fff;
    cursor: pointer;
}
button:hover {
    background: #246b45;
}
.success-message {
    display: none;
    padding: 10px;
    margin-top: 15px;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    border-radius: 6px;
    text-align: center;
}