body {
    background-color: #f8f9fa;
    padding: 2rem;
}
.card {
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
}
.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    cursor: pointer;
    padding: 1rem 1.25rem;
}
.card-title {
    margin-bottom: 1rem;
    color: #333;
}
.focus-card {
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 1rem;
}
.focus-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}
.focus-card.active {
    background-color: #e9f7fe;
    border: 1px solid #86cfda;
}
.info-icon {
    width: 16px;
    height: 16px;
    margin-left: 0.5rem;
    cursor: pointer;
}
.btn-primary {
    background-color: #0d6efd;
    border: none;
    padding: 0.5rem 1.5rem;
}
.btn-primary:hover {
    background-color: #0b5ed7;
}
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}
.alert {
    margin-top: 1rem;
}