.card {
    background-color: var(--bs-white);
    border: 1px solid var(--bs-gray-300);
}

#audioPlayer {
    background-color: var(--bs-gray-100);
    border-radius: 0.375rem;
}

.form-control {
    background-color: var(--bs-white);
    border-color: var(--bs-gray-400);
    color: var(--bs-dark);
}

.form-control:focus {
    background-color: var(--bs-white);
    border-color: var(--bs-primary);
    color: var(--bs-dark);
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* New styles for history section */
#conversionHistory {
    max-height: 500px;
    overflow-y: auto;
}

.list-group-item {
    border-left: none;
    border-right: none;
}

.list-group-item:first-child {
    border-top: none;
}

.list-group-item:last-child {
    border-bottom: none;
}

.text-truncate {
    max-width: 200px;
}