/* Attentional Blink styles */
.rsvp-display {
    font-size: 5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: #1a1a2e;
    user-select: none;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rsvp-display.t1-style {
    background: #1a1a2e;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
}

.stimulus-area.dark {
    background: #f8f9fa;
}

.response-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-top: var(--space-lg);
    width: 100%;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.response-question {
    margin-bottom: var(--space-lg);
}

.response-question label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.letter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.letter-buttons button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.letter-buttons button:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.letter-buttons button.selected {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.yn-buttons {
    display: flex;
    gap: var(--space-sm);
}

.yn-buttons button.selected {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}