.card-message {
    min-height: 24px;
    margin-bottom: 12px;
    font-size: 0.88rem;
    color: var(--red);
}

.sort-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sort-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    border: 1.5px solid var(--card-border);
    background: var(--panel-bg);
    border-radius: 10px;
    padding: 14px 16px;
}

.sort-row .expr {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.05rem;
}

.sort-row input {
    width: 52px;
    height: 44px;
    text-align: center;
    font-size: 1.1rem;
    border-radius: 8px;
    border: 1.5px solid var(--card-border);
    background: var(--paper-2);
    color: var(--ink);
}

.sort-row.correct input {
    border-color: var(--green);
    color: var(--green);
}

.sort-row.incorrect input {
    border-color: var(--red);
    color: var(--red);
}

.quiz-actions {
    display: flex;
    justify-content: center;
    margin-top: 22px;
}