/* ============================
    WRAPPER SECTION
=============================== */
.lpwoo-section {
    margin-bottom: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
    background: #fff;
}

/* ============================
    ACCORDION HEADER
=============================== */
.accordion-header {
    padding: 12px 16px;
    background: #eaf3ff;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

/* Mũi tên */
.accordion-header::after {
    content: "▾";
    position: absolute;
    right: 16px;
    top: 12px;
    font-size: 16px;
    transition: transform 0.25s ease;
}

.accordion-header.active::after {
    transform: rotate(-180deg);
}

/* ============================
    ACCORDION CONTENT
=============================== */
.accordion-content {
    display: none;
    padding: 0;
    background: #fff;
}

.lpwoo-lessons {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ============================
    LESSON ITEM
=============================== */
.lpwoo-lesson {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    transition: background 0.25s ease, padding-left 0.25s ease;
}

.lpwoo-lesson:last-child {
    border-bottom: none;
}

/* Hover hiệu ứng mượt */
.lpwoo-lesson:hover {
    background: #f9f9f9;
    padding-left: 22px;
}

/* Icon bài học */
.lpwoo-lesson .icon {
    margin-right: 10px;
    color: #3a7bfd;
    transition: transform 0.25s ease;
}

.lpwoo-lesson:hover .icon {
    transform: translateX(4px);
}

/* Title */
.lpwoo-lesson .title {
    flex: 1;
}

/* Button preview */
.lpwoo-lesson .preview-btn {
    margin-right: 20px;
    color: #2ea3f2;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.lpwoo-lesson .preview-btn:hover {
    color: #1c7acb;
}

/* Duration – nếu bạn bật lại */
.lpwoo-lesson .duration {
    color: #666;
    font-size: 13px;
}

/* ép font hỗ trợ đầy đủ tiếng Việt */
.accordion-header {
    font-family: 
        "Inter",
        "Roboto",
        "Noto Sans",
        "Segoe UI",
        Arial,
        sans-serif;
}