.fc-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 1rem;
}

.fc-toolbar .tool-input {
    flex: 1 1 12rem;
    min-width: 10rem;
}

.fc-list {
    display: grid;
    gap: 0.75rem;
}

.fc-item {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.5rem;
    align-items: start;
    padding: 0.75rem;
    border: 1px solid var(--border, rgba(255, 255, 255, 0.12));
    border-radius: 0.5rem;
}

.fc-item textarea {
    min-height: 4rem;
    resize: vertical;
}

.fc-study {
    text-align: center;
}

.fc-card {
    min-height: 12rem;
    margin: 1rem auto;
    max-width: 36rem;
    padding: 1.5rem;
    border: 2px solid var(--border, rgba(255, 255, 255, 0.15));
    border-radius: 0.75rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.fc-card:focus {
    outline: 2px solid var(--accent, #c5e063);
    outline-offset: 2px;
}

.fc-card.is-flipped {
    background: rgba(255, 255, 255, 0.04);
}

.fc-side-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.7;
    margin: 0 0 0.5rem;
}

.fc-card-text {
    font-size: 1.25rem;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.fc-study-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
}

@media (max-width: 640px) {
    .fc-item {
        grid-template-columns: 1fr;
    }
}