body {
    background-color: #f8f9fa;
}
.container {
    max-width: 1000px;
}
.card {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease-in-out;
}
.card:hover {
    transform: translateY(-2px);
}
.card-header {
    background-color: #007bff;
    color: white;
    font-weight: bold;
}
textarea {
    resize: vertical;
}
.response-success {
    color: #28a745;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 10px;
    border-radius: 5px;
}
.response-error {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 5px;
}
.bg-info {
    background: linear-gradient(135deg, #17a2b8, #138496) !important;
}
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    .card-body {
        padding: 1rem;
    }
}