/* ===== Стили компонента: Калькулятор НДС (calc_nds) ===== */

/* FAQ-аккордеон (details/summary) */
.calc-faq {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.calc-faq__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 14px;
}

.calc-faq__item {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color var(--transition);
}

.calc-faq__question {
    padding: 12px 16px 12px 36px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-main);
    list-style: none;
    user-select: none;
    transition: background var(--transition);
    position: relative;
}

.calc-faq__question:hover {
    background: var(--bg-card-hover);
}

.calc-faq__question::-webkit-details-marker,
.calc-faq__question::marker {
    display: none;
}

.calc-faq__question::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid var(--text-muted);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transition: transform var(--transition);
}

.calc-faq__item[open] .calc-faq__question::before {
    transform: translateY(-50%) rotate(90deg);
}

.calc-faq__answer {
    padding: 0 16px 14px 36px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.calc-faq__answer p {
    margin: 0 0 8px;
}

.calc-faq__answer p:last-child {
    margin-bottom: 0;
}

.calc-faq__answer strong {
    color: var(--text-main);
    font-weight: 600;
}

/* Dark theme */
[data-theme="dark"] .calc-faq__item {
    background: var(--bg-surface);
    border-color: var(--border);
}

[data-theme="dark"] .calc-faq__question:hover {
    background: var(--bg-card-hover);
}

/* Mobile */
@media (max-width: 768px) {
    .calc-faq__question {
        padding: 10px 12px 10px 32px;
        font-size: 0.9rem;
    }

    .calc-faq__answer {
        padding: 0 12px 12px 32px;
        font-size: 0.85rem;
    }
}