body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    padding: 50px;
}
.container { 
    background-color:white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgb(0, 0, 0, 0.9);
    width: 450px;
}
h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #0f0e0b;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #09060f;
}
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"]
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 1em;
}
input.invalid,
select.invalid {
    border-color: #e74c3c;
}
.error {
    color: #e74c3c;
    font-size: 0.9em;
    margin-top: 5px;
    display: block;
}
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 10px;
}
.checkbox-items {
  display: flex;
  align-items: center;
  gap: 5px;
}
button {
    width: 100%;
    padding: 12px;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    cursor: pointer;
    margin-top: 10px;
}
button::hover {
    background-color: #219a52;
}
#success-message {
    color: #27ae60;
    text-align: center;
    margin-top: 20px;
    font-weight: bold;
    font-size: 1.1em;
    display: none;
}