.elementor-1173 .elementor-element.elementor-element-6352f04b{--display:flex;--min-height:0px;--flex-direction:row;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--justify-content:space-between;--align-items:stretch;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--flex-wrap:nowrap;--overflow:auto;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-1173 .elementor-element.elementor-element-22d27c5c{--display:flex;border-style:solid;--border-style:solid;border-width:0px 1px 0px 0px;--border-top-width:0px;--border-right-width:1px;--border-bottom-width:0px;--border-left-width:0px;border-color:#E5E7EB;--border-color:#E5E7EB;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:24px;--padding-left:0px;--padding-right:0px;}.elementor-1173 .elementor-element.elementor-element-22d27c5c:not(.elementor-motion-effects-element-type-background), .elementor-1173 .elementor-element.elementor-element-22d27c5c > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:#FFFFFF;}.elementor-1173 .elementor-element.elementor-element-22d27c5c.e-con{--flex-grow:0;--flex-shrink:0;}.elementor-1173 .elementor-element.elementor-element-450a3ffb{--display:flex;border-style:solid;--border-style:solid;border-width:0px 0px 1px 0px;--border-top-width:0px;--border-right-width:0px;--border-bottom-width:1px;--border-left-width:0px;border-color:#E5E7EB;--border-color:#E5E7EB;--padding-top:24px;--padding-bottom:24px;--padding-left:24px;--padding-right:24px;}.elementor-widget-heading .elementor-heading-title{font-family:var( --e-global-typography-primary-font-family ), Sans-serif;font-weight:var( --e-global-typography-primary-font-weight );color:var( --e-global-color-primary );}.elementor-1173 .elementor-element.elementor-element-7b77f418 .elementor-heading-title{font-family:"Space Grotesk", Sans-serif;font-size:17px;font-weight:700;color:var( --e-global-color-secondary );}.elementor-1173 .elementor-element.elementor-element-962be76{--display:flex;}.elementor-widget-loop-grid .elementor-button{background-color:var( --e-global-color-accent );font-family:var( --e-global-typography-accent-font-family ), Sans-serif;font-weight:var( --e-global-typography-accent-font-weight );}.elementor-widget-loop-grid .elementor-pagination{font-family:var( --e-global-typography-secondary-font-family ), Sans-serif;font-weight:var( --e-global-typography-secondary-font-weight );}.elementor-widget-loop-grid .e-load-more-message{font-family:var( --e-global-typography-secondary-font-family ), Sans-serif;font-weight:var( --e-global-typography-secondary-font-weight );}.elementor-1173 .elementor-element.elementor-element-5a0a026{--grid-columns:1;--grid-row-gap:0px;--grid-column-gap:1px;}.elementor-1173 .elementor-element.elementor-element-1a82493{--display:flex;--min-height:0px;--justify-content:space-between;--align-items:stretch;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--gap:0px 0px;--row-gap:0px;--column-gap:0px;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:40px;--padding-bottom:80px;--padding-left:40px;--padding-right:40px;}.elementor-1173 .elementor-element.elementor-element-1a82493:not(.elementor-motion-effects-element-type-background), .elementor-1173 .elementor-element.elementor-element-1a82493 > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:#F4F5F7;}.elementor-1173 .elementor-element.elementor-element-1a82493.e-con{--flex-grow:0;--flex-shrink:0;}.elementor-1173 .elementor-element.elementor-element-6f5f166e{--display:flex;--min-height:0px;--flex-direction:column;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--justify-content:space-between;--align-items:stretch;--overflow:auto;border-style:solid;--border-style:solid;border-width:1px 1px 1px 1px;--border-top-width:1px;--border-right-width:1px;--border-bottom-width:1px;--border-left-width:1px;border-color:#E5E7EB;--border-color:#E5E7EB;--border-radius:8px 8px 8px 8px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-1173 .elementor-element.elementor-element-6f5f166e:not(.elementor-motion-effects-element-type-background), .elementor-1173 .elementor-element.elementor-element-6f5f166e > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:#FFFFFF;}.elementor-1173 .elementor-element.elementor-element-a76c8ec{--display:flex;--min-height:0px;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--overflow:auto;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-1173 .elementor-element.elementor-element-a76c8ec:not(.elementor-motion-effects-element-type-background), .elementor-1173 .elementor-element.elementor-element-a76c8ec > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:#111111;}.elementor-1173 .elementor-element.elementor-element-4124967a{margin:0px 0px calc(var(--kit-widget-spacing, 0px) + 0px) 0px;}.elementor-1173 .elementor-element.elementor-element-4124967a .elementor-wrapper{--video-aspect-ratio:1.77777;}.elementor-1173 .elementor-element.elementor-element-30f31424{--display:flex;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:15px;--padding-bottom:48px;--padding-left:48px;--padding-right:48px;}.elementor-1173 .elementor-element.elementor-element-72930a6c{margin:0px 0px calc(var(--kit-widget-spacing, 0px) + 16px) 0px;padding:4px 10px 4px 10px;border-style:solid;border-width:1px 1px 1px 1px;border-color:#E5E7EB;border-radius:4px 4px 4px 4px;}.elementor-1173 .elementor-element.elementor-element-72930a6c.elementor-element{--align-self:flex-start;}.elementor-1173 .elementor-element.elementor-element-72930a6c .elementor-heading-title{font-family:"DM Mono", Sans-serif;font-size:11px;font-weight:400;text-decoration:none;-webkit-text-stroke-color:#000;stroke:#000;color:#0D0D14;}.elementor-1173 .elementor-element.elementor-element-66a57f01{margin:-15px 0px calc(var(--kit-widget-spacing, 0px) + 16px) 0px;}.elementor-1173 .elementor-element.elementor-element-66a57f01 .elementor-heading-title{font-family:"Helvetica", Sans-serif;font-size:60px;font-weight:700;line-height:70px;letter-spacing:-3.5px;color:var( --e-global-color-secondary );}.elementor-widget-text-editor{font-family:var( --e-global-typography-text-font-family ), Sans-serif;font-weight:var( --e-global-typography-text-font-weight );color:var( --e-global-color-text );}.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:var( --e-global-color-primary );}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap, .elementor-widget-text-editor.elementor-drop-cap-view-default .elementor-drop-cap{color:var( --e-global-color-primary );border-color:var( --e-global-color-primary );}.elementor-1173 .elementor-element.elementor-element-3f865a9{margin:-15px 0px calc(var(--kit-widget-spacing, 0px) + 48px) 0px;font-family:"DM Sans", Sans-serif;font-size:18px;font-weight:400;line-height:25px;color:#6B7280;}.elementor-1173 .elementor-element.elementor-element-24f8a6d3{--display:flex;--margin-top:-41px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:80px;--padding-left:0px;--padding-right:0px;}.elementor-widget-theme-post-content{color:var( --e-global-color-text );font-family:var( --e-global-typography-text-font-family ), Sans-serif;font-weight:var( --e-global-typography-text-font-weight );}.elementor-1173 .elementor-element.elementor-element-5e1a1d2{color:#0D0D14;font-family:"DM Sans", Sans-serif;}.elementor-1173 .elementor-element.elementor-element-35344192{--display:flex;border-style:solid;--border-style:solid;border-width:0px 0px 0px 1px;--border-top-width:0px;--border-right-width:0px;--border-bottom-width:0px;--border-left-width:1px;border-color:#E5E7EB;--border-color:#E5E7EB;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:24px;--padding-bottom:24px;--padding-left:24px;--padding-right:24px;}.elementor-1173 .elementor-element.elementor-element-35344192:not(.elementor-motion-effects-element-type-background), .elementor-1173 .elementor-element.elementor-element-35344192 > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:#FFFFFF;}.elementor-1173 .elementor-element.elementor-element-38a45260{margin:0px 0px calc(var(--kit-widget-spacing, 0px) + 24px) 0px;padding:0px 0px 0px 0px;}.elementor-1173 .elementor-element.elementor-element-38a45260 .elementor-heading-title{font-family:"DM Mono", Sans-serif;font-size:15px;font-weight:500;text-transform:uppercase;letter-spacing:1px;color:#6B7280;}@media(max-width:1024px){.elementor-1173 .elementor-element.elementor-element-6352f04b{--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-1173 .elementor-element.elementor-element-5a0a026{--grid-columns:2;}.elementor-1173 .elementor-element.elementor-element-1a82493.e-con{--flex-grow:0;--flex-shrink:0;}.elementor-1173 .elementor-element.elementor-element-66a57f01 .elementor-heading-title{font-size:40px;letter-spacing:-3.5px;}}@media(min-width:768px){.elementor-1173 .elementor-element.elementor-element-6352f04b{--width:100%;}.elementor-1173 .elementor-element.elementor-element-22d27c5c{--width:280px;}.elementor-1173 .elementor-element.elementor-element-35344192{--width:18.111%;}}@media(max-width:1024px) and (min-width:768px){.elementor-1173 .elementor-element.elementor-element-6352f04b{--width:100%;}.elementor-1173 .elementor-element.elementor-element-1a82493{--width:100%;}}@media(max-width:767px){.elementor-1173 .elementor-element.elementor-element-6352f04b{--justify-content:space-between;}.elementor-1173 .elementor-element.elementor-element-5a0a026{--grid-columns:1;}.elementor-1173 .elementor-element.elementor-element-35344192{--padding-top:24px;--padding-bottom:24px;--padding-left:24px;--padding-right:24px;}}/* Start custom CSS for container, class: .elementor-element-a76c8ec *//* Ép buộc video box mấp mé đúng khổ 16:9 bất kể lồng YouTube hay Vimeo */
.elementor-1173 .elementor-element.elementor-element-a76c8ec {
    position: relative !important;
    padding-bottom: 56.25% !important; /* Tỷ lệ vàng 16:9 (9 / 16 * 100) */
    height: 0 !important;
    min-height: 0 !important;
    overflow: hidden !important;
}

/* Đè đầu cưỡi cổ bất cứ cái Iframe hay thằng con nào nhét vào hố đen này */
.elementor-1173 .elementor-element.elementor-element-a76c8ec iframe,
.elementor-1173 .elementor-element.elementor-element-a76c8ec .elementor-widget-video,
.elementor-1173 .elementor-element.elementor-element-a76c8ec .elementor-video {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
}/* End custom CSS */
/* Start custom CSS for container, class: .elementor-element-1a82493 *//* DESKTOP */
@media (min-width: 1025px) {
    .elementor-1173 .elementor-element.elementor-element-1a82493 {
        width: calc(100% - 560px) !important;
        flex-grow: 0 !important;
        max-width: calc(100% - 560px) !important;
        overflow-y: auto !important;
        height: calc(100vh - 120px) !important;
    }
}
/* TABLET & MOBILE */
@media (max-width: 1024px) {
    .elementor-1173 .elementor-element.elementor-element-1a82493 {
        flex-grow: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        overflow-y: visible !important;
        height: auto !important;
    }
}
/* Scroll margin cho sticky header — áp dụng mọi id */
.elementor-1173 .elementor-element.elementor-element-1a82493 [id] {
    scroll-margin-top: 120px !important;
}/* End custom CSS */
/* Start custom CSS for container, class: .elementor-element-35344192 */@media (min-width: 1025px) {
/* Trang trí Hover như Notion */
.elementor-1173 .elementor-element.elementor-element-35344192 .toc-item {
    border-radius: 4px;
    transition: all 0.2s ease !important;
}
.elementor-1173 .elementor-element.elementor-element-35344192 .toc-item:hover {
    background: #f4f5f7 !important;
    color: #0d0d14 !important;
}

/* Pseudo-Class - Nút Đang Active (Giả lập) */
.elementor-1173 .elementor-element.elementor-element-35344192 .toc-item.active-heading {
    background: #CCFF00 !important;
    color: #000000 !important;
    font-weight: 600 !important;
}
}/* End custom CSS */
/* Start custom CSS for container, class: .elementor-element-6352f04b *//* Định vị Container thấp xuống dưới Header 60px */
.elementor-1173 .elementor-element.elementor-element-6352f04b {
    height: calc(100vh - 60px) !important; 
    margin-top: 60px !important;
}

/* Biến 3 cột thành 3 màng cuộn độc lập nhau */
.elementor-1173 .elementor-element.elementor-element-6352f04b .left-sidebar,
.elementor-1173 .elementor-element.elementor-element-6352f04b .center-content,
.elementor-1173 .elementor-element.elementor-element-6352f04b .right-sidebar {
    height: 100% !important;
    overflow-y: auto !important;
    /* Làm mỏng thanh cuộn trên Windows */
    scrollbar-width: thin; 
    scrollbar-color: #6b7280 transparent;
}

/* RESPONSIVE: Màn hình nhỏ dưới 1200px (Tablet/Laptop nhỏ) */
@media (max-width: 1200px) {
    /* Giết chết Sidebar phải */
    .elementor-1173 .elementor-element.elementor-element-6352f04b .right-sidebar { 
        display: none !important; 
    }
    /* Mở rộng không gian ở giữa */
    .elementor-1173 .elementor-element.elementor-element-6352f04b .center-content { 
        width: calc(100% - 280px) !important; 
    }
}

/* RESPONSIVE: Màn hình Mobile dưới 900px */
@media (max-width: 900px) {
    /* Hủy bỏ App Mode, trả lại cuộn màn hình cùi bắp cho điện thoại */
    body { 
        overflow-y: auto !important; 
    }
    
    .elementor-1173 .elementor-element.elementor-element-6352f04b { 
        height: auto !important; 
        margin-top: 0 !important;
        /* Biến Row thành Column để xếp chồng */
        flex-direction: column !important;
    }
    
    /* Giết chết Sidebar trái */
    .elementor-1173 .elementor-element.elementor-element-6352f04b .left-sidebar { 
        display: none !important; 
    }
    
    /* Phóng to khung dọc bằng chiều ngang màn hình */
    .elementor-1173 .elementor-element.elementor-element-6352f04b .center-content { 
        width: 100% !important; 
        height: auto !important; 
        overflow: visible !important; 
        padding: 24px !important; /* Thu nhỏ padding trên điện thoại */
    }
}/* End custom CSS */
/* Start custom CSS *//* ACTIVE STATE - Bài học đang xem */
.left-sidebar .e-loop-item.active {
    background: #202020 !important;
}
.left-sidebar .e-loop-item.active a {
    background: #202020 !important;
}
.left-sidebar .e-loop-item.active h1,
.left-sidebar .e-loop-item.active h2,
.left-sidebar .e-loop-item.active h3,
.left-sidebar .e-loop-item.active h4,
.left-sidebar .e-loop-item.active h5,
.left-sidebar .e-loop-item.active h6,
.left-sidebar .e-loop-item.active .elementor-heading-title,
.left-sidebar .e-loop-item.active p,
.left-sidebar .e-loop-item.active span {
    color: #ffffff !important;
}
@media (min-width: 1025px) {
    html.single-khoahoc body,
    body.single-khoahoc {
        overflow: hidden !important;
    }
    /* Cho phép từng cột scroll độc lập */
    body.single-khoahoc .left-sidebar {
        overflow-y: auto !important;
        height: calc(100vh - 120px) !important;
    }
    body.single-khoahoc .right-sidebar {
        overflow-y: auto !important;
        height: calc(100vh - 120px) !important;
    }
}
@media (max-width: 1024px) {
    body.single-khoahoc { overflow: visible !important; }
}/* End custom CSS */