.sequence {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    margin: 2rem 0;
}

.sequence-term {
    min-width: 3rem;
    height: 3rem;
    padding: 0 .6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f0f4ff;
    border: 2px solid #dbe6ff;
    border-radius: 12px;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
}

.sequence-sep {
    font-size: 1.4rem;
    font-weight: 700;
    color: #aaa;
}

.sequence input {
    width: 5ch;
    height: 3rem;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    padding: .3rem;
    border: 2px solid var(--primary);
    border-radius: 12px;
    outline: none;
    color: var(--text);
    font-family: inherit;
}

.sequence input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 134, 247, .15);
}