.device-register-form {
    margin-bottom: 30px;
    background: #f9f9f9;
    padding: 15px;
    border-radius: 10px;
    max-width: 500px;
}

.device-register-form input[type="text"],
.device-register-form textarea {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

.device-register-form input[type="submit"] {
    background-color: #0073aa;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.device-register-form input[type="submit"]:hover {
    background-color: #005177;
}

.device-register-table-wrapper {
    width: 100%;
    overflow-x: auto;
    display: block;
}

.device-register-table {
    min-width: 800px;
    border-collapse: collapse;
    margin-top: 20px;
    font-family: Arial, sans-serif;
}

.device-register-table th,
.device-register-table td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
    white-space: nowrap;
}

.device-register-table thead {
    background-color: #333;
    color: white;
}

.device-register-table tbody tr:nth-child(odd) {
    background-color: #f2f2f2;
}

.device-register-table tbody tr:hover {
    background-color: #e0f7fa;
}

.dr-success {
    color: green;
    font-weight: bold;
}

.dr-error {
    color: red;
    font-weight: bold;
}

.dr-delete-btn {
    background-color: #cc0000;
    color: white;
    padding: 5px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.dr-delete-btn:hover {
    background-color: #990000;
}