/* ===== SUB-TABS trong phần Reviews ===== */
.rrm-subtabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 24px;
}
.rrm-subtab-btn {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    padding: 12px 22px;
    font-size: 15px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    transition: all .15s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.rrm-subtab-btn:hover { color: #1d2327; }
.rrm-subtab-btn.active {
    color: #1d2327;
    border-bottom-color: #cf2e2e;
    font-weight: 600;
}
.rrm-subtab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    color: #374151;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
}
.rrm-subtab-btn.active .rrm-subtab-count {
    background: #cf2e2e;
    color: #fff;
}

/* ===== Form đặt câu hỏi ===== */
.rrm-fe-heading {
    font-size: 17px;
    font-weight: 600;
    color: #1d2327;
    margin: 0 0 14px;
}
.rrm-fe-ask-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 28px;
}
.rrm-fe-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}
.rrm-fe-ask-box input,
.rrm-fe-ask-box textarea {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    color: #1d2327;
    background: #fff;
}
.rrm-fe-ask-box input:focus,
.rrm-fe-ask-box textarea:focus {
    border-color: #cf2e2e;
    outline: none;
    box-shadow: 0 0 0 2px rgba(207,46,46,.1);
}
.rrm-fe-ask-box textarea { resize: vertical; margin-bottom: 12px; }
.rrm-fe-ask-box button {
    background: #cf2e2e;
    color: #fff;
    border: none;
    padding: 11px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s;
}
.rrm-fe-ask-box button:hover { background: #b91c1c; }

.rrm-fe-msg {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
}
.rrm-fe-msg.rrm-fe-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.rrm-fe-msg.rrm-fe-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ===== Danh sách Q&A ===== */
.rrm-fe-qa-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 14px;
}
.rrm-fe-q, .rrm-fe-a {
    display: flex;
    gap: 14px;
    padding: 14px 16px;
}
.rrm-fe-q { background: #fff; border-bottom: 1px solid #f0f0f0; }
.rrm-fe-a { background: #f0fdf4; }
.rrm-fe-q-icon, .rrm-fe-a-icon { font-size: 20px; flex-shrink: 0; line-height: 1.5; }
.rrm-fe-q-body strong, .rrm-fe-a-body strong { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 4px; }
.rrm-fe-q-body p, .rrm-fe-a-body p { margin: 0; font-size: 14px; color: #374151; line-height: 1.6; }
.rrm-fe-a-body strong { color: #065f46; }
.rrm-fe-empty, .rrm-fe-loading { color: #9ca3af; font-style: italic; padding: 8px 0; }

@media(max-width: 600px){
    .rrm-fe-fields { grid-template-columns: 1fr; }
    .rrm-subtab-btn { padding: 10px 14px; font-size: 13px; }
}