.cs-container {
    background: #fdfdfd;
    padding: 25px;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    max-width: 420px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin: 20px auto;
    border: 2px solid #e6e6e6;
}
.cs-container h3 {
    color: #ffffff;
    text-align: center;
    margin-bottom: 15px;
}
.cs-container label {
    font-weight: bold;
    margin-top: 10px;
    display: block;
}
.cs-container select,
.cs-container button {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    font-size: 16px;
    border-radius: 6px;
    border: 1px solid #ccc;
}
.cs-container button {
    background-color: #007BFF;
    color: white;
    border: none;
    font-weight: bold;
    transition: background 0.3s ease;
}
.cs-container button:hover {
    background-color: #0056b3;
}
.cs-result {
    background: #f1f9ff;
    margin-top: 20px;
    padding: 15px;
    border-left: 4px solid #007BFF;
    border-radius: 6px;
    font-size: 16px;
}