.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #495057;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 1rem;
    margin: 5px 2px;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: #0056b3;
    transform: scale(1.05);
}

button:active {
    transform: scale(0.95);
}

#token-result, #message-list-result, #online-users-result, #online-clients-result {
    margin-top: 25px;
    padding: 15px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    background-color: #f8f9fa;
    font-family: monospace;
    overflow-x: auto;
}