/* Requirements Single Question (Step 7) */
.requirement-helper-text {
    font-size: 14px;
    color: var(--color-text);
    /* opacity: 0.65; -- Removed, handled by fadeInSubtitle animation */
    margin-top: var(--spacing-sm-minus);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.requirement-cards-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm-minus);
}

@media (min-width: 768px) {
    .requirement-cards-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: 1fr;
        gap: var(--spacing-sm-minus);
    }
}

.requirement-card {
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm-minus) var(--card-padding);
    background: var(--color-background-dark);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: rgba(0,0,0,0.05);
    min-height: var(--card-min-height);
    box-sizing: border-box;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
    appearance: none;
    -webkit-appearance: none;
}

.requirement-card .requirement-card-content,
.requirement-card .requirement-card-label,
.requirement-card .requirement-card-value,
.requirement-card .requirement-radio,
.requirement-card .requirement-radio-inner {
    user-select: none;
    -webkit-user-select: none;
}

.requirement-card.selected {
    background: white;
    border-color: var(--color-secondary);
}

.requirement-card-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.requirement-card-label {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text-lighter);
    line-height: 1.2;
    transition: color 0.2s ease;
}

.requirement-card.selected .requirement-card-label {
    color: var(--color-text-light);
}

.requirement-card-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-lighter);
    line-height: 1.3;
    transition: color 0.2s ease;
}

.requirement-card.selected .requirement-card-value {
    color: var(--color-text);
}

.requirement-radio {
    width: var(--choice-indicator-size);
    height: var(--choice-indicator-size);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.2s ease, background 0.2s ease;
    margin-left: var(--spacing-sm);
}

.requirement-card.selected .requirement-radio {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.requirement-radio-inner {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    display: none;
}

.requirement-card.selected .requirement-radio-inner {
    display: block;
}

@media (hover: hover) and (pointer: fine) {
    .requirement-card:not(.selected):hover {
        background: rgba(255, 255, 255, 0.90);
        border-color: rgba(26, 26, 26, 0.10);
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    }

    .requirement-card:not(.selected):hover .requirement-radio {
        border-color: rgba(26, 26, 26, 0.20);
    }

    .requirement-card:not(.selected):hover .requirement-card-label,
    .requirement-card:not(.selected):hover .requirement-card-value {
        color: var(--color-text);
    }
}