/* ============================================================
   ICA Post FAQ – Frontend Accordion Styles
   ============================================================ */

.ica-faq-wrap {
    margin: 2em 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* ---------- Mỗi item ---------- */
.ica-faq-item {
    border-bottom: 1px solid #e8edf2;
    background: #fff;
}

.ica-faq-item:last-child {
    border-bottom: none;
}

/* ---------- Nút câu hỏi ---------- */
.ica-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 18px 22px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: #1a202c;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    line-height: 1.5;
}

.ica-faq-question:hover {
    background: #f7faff;
    color: #2a6bcc;
}

.ica-faq-question[aria-expanded="true"] {
    background: #eef4ff;
    color: #2a6bcc;
}

/* Icon mũi tên (dấu +/×) */
.ica-faq-icon {
    flex-shrink: 0;
    display: inline-block;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #e3eaf7;
    position: relative;
    transition: background 0.2s ease, transform 0.3s ease;
}

.ica-faq-icon::before,
.ica-faq-icon::after {
    content: '';
    position: absolute;
    background: #5a7ab5;
    border-radius: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.ica-faq-icon::before { width: 10px; height: 2px; }
.ica-faq-icon::after  { width: 2px;  height: 10px; }

/* Khi mở: icon xoay 45° thành dấu × */
.ica-faq-question[aria-expanded="true"] .ica-faq-icon {
    background: #2a6bcc;
    transform: rotate(45deg);
}
.ica-faq-question[aria-expanded="true"] .ica-faq-icon::before,
.ica-faq-question[aria-expanded="true"] .ica-faq-icon::after {
    background: #fff;
}

/* ---------- Phần trả lời ---------- */
.ica-faq-answer {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s ease;
}

.ica-faq-answer:not([hidden]) {
    max-height: 600px;
}

.ica-faq-answer-inner {
    padding: 4px 22px 20px 22px;
    color: #374151;
    font-size: 0.97rem;
    line-height: 1.7;
    border-top: 1px solid #e8edf2;
}

.ica-faq-answer-inner p:last-child {
    margin-bottom: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
    .ica-faq-question    { padding: 14px 16px; font-size: 0.93rem; }
    .ica-faq-answer-inner { padding: 6px 16px 16px 16px; }
}