.menu {
    list-style-type: none;
    font-size: 13px;
    padding: 0px;
}

.menu-item {
    /* margin-bottom: 15px; */
    font-size: 16px;
    padding: 5px 0px;
}

.menu-item a {
    text-decoration: none;
    font-weight: bold;
    color: #333;
    display: block;
    margin-bottom: 5px;
}

.sub-menu {
    list-style-type: none;
    padding: 0 !important;
}

.sub-menu a {
    text-decoration: none;
    color: #666;
    font-size: 15px;
    padding-left: 40px;
    margin: 5px 0px;
}

.sub-menu-item {
    list-style-type: none;
    padding-left: 0 !important;
    margin: 10px 0px;
}

.sub-menu-item a {
    padding-left: 60px;
}

.menu-item :hover,
.sub-menu a:hover {
    color: var(--blue-color);
}

.intro__text {
    font-weight: normal;
    font-size: 15px;
    line-height: 1.8;
    margin: 0 auto;
    padding-bottom: 20px;
    text-align: justify;
}

.cursor-pointer {
    cursor: pointer;
}

.text-blue {
    color: var(--blue-color);
}

.sub-content {
    list-style-type: none;
    padding-left: 0px;
}

.sub-content a {
    color: #333;
}

.sub-content :hover {
    color: var(--blue-color);
}

.list-content {
    background-color: rgb(242 243 247);
    border-radius: 4px;
}

.link-edtop {
    text-decoration: none;
}

.link-edtop:hover {
    text-decoration: underline !important;
}

.content img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
    padding: 10px;
}

.hidden:hover {
    color: red;
}

.menu-course {
    list-style-type: none;
}

.menu-course li {
    margin-top: 15px !important;
}

.list-group-item {
    border-radius: 4px;
}

.menu-course a {
    text-decoration: none;
    color: #2A2A2A;
}

.menu-course a:hover {
    color: var(--blue-color);
}

.content p {
    margin-top: 1rem !important;
}

.menu-item a.active {
    color: var(--blue-color);
    font-weight: bold;
}

.header {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    line-height: 150%;
}

.content .content-header {
    font-size: 20px;
    font-weight: 700;
    color: #000;
    line-height: 150%;
}

/* ===== Guide Steps with Images ===== */
.guide-steps {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.guide-step {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.guide-content{
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.step-description {
    font-size: 16px;
    line-height: 150%;
    color: #000;
    margin: 0 !important;
}

.step-description strong {
    font-weight: 700;
    color: #000;
}

.step-description em {
    color: #ef4444; /* Note color in red */
    font-style: normal;
    font-size: 14px;
    background-color: #fef2f2;
    padding: 2px 6px;
    border-radius: 4px;
}

.step-image-wrapper {
    width: 100%;
    border: 1px dashed #dcdcdc;
    border-radius: 8px;
    padding: 10px;
    background-color: #fafafa;
    text-align: center;
    position: relative;
    min-height: 120px; /* Placeholder area height */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    margin: 8px 0px;
}

/* Hiển thị dòng chữ hướng dẫn nạp ảnh khi src rỗng */
.step-image-wrapper::before {
    content: '[Khu vực hiển thị ảnh minh họa]';
    color: #a1a1aa;
    font-size: 14px;
    position: absolute;
    z-index: 1;
}

.step-img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    position: relative;
    z-index: 2; /* Sẽ đè lên chữ nền khi có ảnh thật */
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* Đổ bóng nhẹ cho ảnh nổi bật */
}
/* Nếu không có ảnh hoặc ảnh lỗi, ẩn shadow */
.step-img[src=""] {
    box-shadow: none;
    background-color: transparent;
}

/* ===== List Styles ===== */
.guide-list {
    list-style-type: disc;
    margin-left: 20px;
    font-size: 16px;
    color: #000;
    line-height: 150%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.guide-sub-list {
    list-style-type: circle;
    margin-left: 20px;
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.guide-note-list {
    list-style-type: disc;
    margin-left: 20px;
    margin-bottom: 0px;
    font-size: 16px;
    color: #000;
}

/* ===== Note Box Styles ===== */
.guide-note-box {
    background-color: #fef2f2;
    border-left: 4px solid #ef4444;
    border-radius: 4px;
}

.guide-note-title {
    font-size: 16px;
    color: #ef4444;
}

.gap-4{
    gap: 4px !important;
}

.gap-8{
    gap: 8px !important;
}

.gap-12{
    gap: 12px !important;
}

.gap-16{
    gap: 16px !important;
}

.gap-20{
    gap: 20px !important;
}

.gap-24{
    gap: 24px !important;
}

.gap-32{
    gap: 32px !important;
}

.gap-36{
    gap: 36px !important;
}

.gap-40{
    gap: 40px !important;
}