* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}
body {
    background: #f4f6f9;
    margin: 0;
    padding: 40px 15px;
    color: #222;
}
/* Container */
.container {
    max-width: 480px;
    margin: auto;
    background: #fff;
    padding: 25px 30px;
    border-radius: 6px;
    border: 1px solid #ddd;
}
/* Heading */
h2 {
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 600;
}
/* Labels */
label {
    display: block;
    font-size: 13px;
    margin-bottom: 5px;
    color: #555;
}
/* Inputs & Select */
input, select {
    width: 100%;
    padding: 8px 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}
input:focus, select:focus {
    border-color: #007bff;
    outline: none;
}
/* Buttons */
button {
    padding: 8px 12px;
    border: 1px solid #007bff;
    background: #007bff;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-right: 8px;
}
button:hover {
    background: #0056b3;
}
/* Save button */
#saveBtn {
    background: #28a745;
    border-color: #28a745;
}
#saveBtn:hover {
    background: #1e7e34;
}
#saveBtn:disabled {
    background: #ccc;
    border-color: #ccc;
    cursor: not-allowed;
}
/* Result box */
#result {
    margin-top: 15px;
    font-size: 14px;
}

.refresh {
    margin-left: 10px;
    cursor: pointer;
}