html,body{width:100%;height:100%}input::-ms-clear,input::-ms-reveal{display:none}*,*:before,*:after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:rgba(0,0,0,0)}@-ms-viewport{width:device-width}body{margin:0}[tabindex="-1"]:focus{outline:none}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5em;font-weight:500}p{margin-top:0;margin-bottom:1em}abbr[title],abbr[data-original-title]{-webkit-text-decoration:underline dotted;text-decoration:underline;text-decoration:underline dotted;border-bottom:0;cursor:help}address{margin-bottom:1em;font-style:normal;line-height:inherit}input[type=text],input[type=password],input[type=number],textarea{-webkit-appearance:none}ol,ul,dl{margin-top:0;margin-bottom:1em}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:500}dd{margin-bottom:.5em;margin-left:0}blockquote{margin:0 0 1em}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}pre,code,kbd,samp{font-size:1em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}pre{margin-top:0;margin-bottom:1em;overflow:auto}figure{margin:0 0 1em}img{vertical-align:middle;border-style:none}a,area,button,[role=button],input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75em;padding-bottom:.3em;text-align:left;caption-side:bottom}input,button,select,optgroup,textarea{margin:0;color:inherit;font-size:inherit;font-family:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}button,html [type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{padding:0;border-style:none}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;margin:0;padding:0;border:0}legend{display:block;width:100%;max-width:100%;margin-bottom:.5em;padding:0;color:inherit;font-size:1.5em;line-height:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}mark{padding:.2em;background-color:#feffe6}.Home{overflow-x:hidden;background:linear-gradient(180deg,#f8fafc,#fff)}.home-banner{text-align:center;padding:100px 24px;margin:24px;background-size:cover;background-position:center;color:#fff;border-radius:20px;position:relative;overflow:hidden;min-height:420px;display:flex;align-items:center;justify-content:center}.home-banner-content{position:relative;z-index:2;max-width:800px;margin:0 auto;padding:0 24px;animation:fadeInUp .8s ease-out}.home-banner-content .ant-typography{color:#fff!important;text-shadow:0 2px 4px rgba(0,0,0,.3)}.home-banner-content h1.ant-typography{font-size:48px;font-weight:700;margin-bottom:20px;line-height:1.2}.home-banner-content p.ant-typography{font-size:20px;margin-bottom:32px;opacity:.95}.home-banner-overlay{position:absolute;top:0;left:0;height:100%;width:100%;background:linear-gradient(135deg,#1890ffd9,#722ed1d9);z-index:1}.home-banner .ant-btn{height:52px;padding:0 40px;font-size:17px;font-weight:600;border-radius:26px;background:linear-gradient(135deg,#fff,#f0f0f0);color:#1890ff;border:none;box-shadow:0 8px 24px #0003;transition:all .3s ease}.home-banner .ant-btn:hover{transform:translateY(-3px);box-shadow:0 12px 32px #00000040;background:#fff}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.home-features{margin:40px 24px;padding:20px 0}.home-features .ant-card{border-radius:16px;border:1px solid rgba(0,0,0,.06);box-shadow:0 4px 20px #0000000f;transition:all .4s cubic-bezier(.4,0,.2,1);height:100%;min-height:220px;background:linear-gradient(145deg,#fff,#fafbfc)}.home-features .ant-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #1890ff26;border-color:#1890ff33}.home-features .ant-card .feature-icon{width:72px;height:72px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;border-radius:16px;font-size:32px;transition:all .4s ease}.home-features .ant-card .feature-icon.icon-blue{background:linear-gradient(135deg,#e6f7ff,#bae7ff);color:#1890ff}.home-features .ant-card .feature-icon.icon-purple{background:linear-gradient(135deg,#f9f0ff,#efdbff);color:#722ed1}.home-features .ant-card .feature-icon.icon-green{background:linear-gradient(135deg,#f6ffed,#d9f7be);color:#52c41a}.home-features .ant-card .feature-icon.icon-orange{background:linear-gradient(135deg,#fff7e6,#ffd591);color:#fa8c16}.home-features .ant-card:hover .feature-icon{transform:scale(1.1) rotate(5deg)}.home-features .ant-card h4.ant-typography{font-size:18px;font-weight:600;color:#1a1a2e;margin-bottom:8px}.home-features .ant-card .ant-typography:not(h4){color:#64748b;font-size:14px;line-height:1.6}.home-about{margin:80px 0;padding:60px 24px;background:linear-gradient(135deg,#f0f9ff,#e0f2fe,#f0fdf4);border-radius:0;position:relative}.home-about:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(24,144,255,.3),transparent)}.home-about img{max-width:100%;border-radius:20px;max-height:320px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.1));transition:transform .4s ease}.home-about img:hover{transform:scale(1.05)}.home-about h3.ant-typography{font-size:36px;font-weight:700;color:#1a1a2e;margin-bottom:24px;position:relative}.home-about h3.ant-typography:after{content:"";position:absolute;bottom:-8px;left:0;width:60px;height:4px;background:linear-gradient(90deg,#1890ff,#722ed1);border-radius:2px}.home-about p.ant-typography{font-size:16px;color:#475569;line-height:1.8}.home-about .about-feature{display:flex;align-items:center;gap:12px;padding:12px 0}.home-about .about-feature img{width:32px;height:32px;filter:none}.home-about .about-feature span{font-size:16px;font-weight:500;color:#334155}.home-hot-course{margin-bottom:60px;padding:0 24px}.home-hot-course .section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.home-hot-course h2.ant-typography{font-size:32px;font-weight:700;color:#1a1a2e;margin:0;position:relative;display:inline-block}.home-hot-course h2.ant-typography:after{content:"";position:absolute;bottom:-8px;left:0;width:100%;height:4px;background:linear-gradient(90deg,#1890ff,#722ed1);border-radius:2px}.home-hot-course .ant-card{border-radius:16px;overflow:hidden;border:none;box-shadow:0 4px 20px #00000014;transition:all .4s cubic-bezier(.4,0,.2,1);height:100%;display:flex;flex-direction:column}.home-hot-course .ant-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #1890ff26}.home-hot-course .ant-card .img_kh_hot{height:200px;padding:0;object-fit:cover;width:100%;transition:transform .4s ease}.home-hot-course .ant-card:hover .img_kh_hot{transform:scale(1.05)}.home-hot-course .ant-card .ant-card-body{padding:20px;display:flex;flex-direction:column;flex:1}.home-hot-course .ant-card h3.course-title{font-size:17px;font-weight:600;color:#1a1a2e;margin:0 0 12px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.home-hot-course .ant-card .course-meta{font-size:14px;color:#64748b;margin-bottom:6px}.home-hot-course .ant-card .course-meta strong{color:#475569;font-weight:500}.home-hot-course .ant-card .course-category{display:inline-block;padding:4px 12px;background:linear-gradient(135deg,#e6f7ff,#bae7ff);color:#1890ff;border-radius:20px;font-size:12px;font-weight:500;margin-bottom:16px}.home-hot-course .ant-card .course-actions{margin-top:auto;display:flex;justify-content:flex-end}.home-hot-course .ant-card .course-actions .ant-btn{border-radius:20px;font-weight:500;padding:0 20px;height:36px;background:linear-gradient(135deg,#1890ff,#722ed1);border:none;box-shadow:0 4px 12px #1890ff4d;transition:all .3s ease}.home-hot-course .ant-card .course-actions .ant-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #1890ff66}.home-testimonials{margin-bottom:60px;padding:60px 24px;background:linear-gradient(180deg,#fafbfc,#f1f5f9)}.home-testimonials h2.ant-typography{text-align:center;font-size:32px;font-weight:700;color:#1a1a2e;margin-bottom:40px;position:relative}.home-testimonials h2.ant-typography:after{content:"";position:absolute;bottom:-12px;left:50%;transform:translate(-50%);width:80px;height:4px;background:linear-gradient(90deg,#1890ff,#722ed1);border-radius:2px}.home-testimonials .ant-carousel .slick-slide>div{padding:0 10px}.home-testimonials .testimonial-card{border-radius:16px;border:1px solid rgba(0,0,0,.06);background:#fff;padding:32px 24px;text-align:center;box-shadow:0 4px 20px #0000000f;transition:all .3s ease;height:100%;min-height:280px;display:flex;flex-direction:column;align-items:center}.home-testimonials .testimonial-card:hover{box-shadow:0 12px 32px #0000001a}.home-testimonials .testimonial-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:4px solid #fff;box-shadow:0 4px 16px #00000026;margin-bottom:16px}.home-testimonials .testimonial-name{font-size:16px;font-weight:600;color:#1a1a2e;margin-bottom:4px}.home-testimonials .testimonial-role{font-size:13px;color:#94a3b8;margin-bottom:16px}.home-testimonials .testimonial-quote{font-size:14px;color:#64748b;line-height:1.7;font-style:italic;position:relative;padding:0 8px}.home-testimonials .testimonial-quote:before{content:'"';font-size:48px;color:#e2e8f0;position:absolute;top:-20px;left:-8px;font-family:Georgia,serif}.home-testimonials .ant-carousel .slick-dots li button{background:#cbd5e1;height:8px;width:8px;border-radius:50%}.home-testimonials .ant-carousel .slick-dots li.slick-active button{background:#1890ff;width:24px;border-radius:4px}.home-cta{text-align:center;background:linear-gradient(135deg,#1890ff,#722ed1);padding:80px 24px;position:relative;overflow:hidden}.home-cta:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 50%);animation:pulse 4s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:.8}}.home-cta h3.ant-typography{color:#fff!important;font-size:36px;font-weight:700;margin-bottom:24px;position:relative;z-index:1;text-shadow:0 2px 4px rgba(0,0,0,.1)}.home-cta .cta-subtitle{color:#ffffffe6;font-size:18px;margin-bottom:32px;position:relative;z-index:1}.home-cta .ant-btn{height:52px;padding:0 48px;font-size:17px;font-weight:600;border-radius:26px;background:#fff;color:#1890ff;border:none;box-shadow:0 8px 32px #0003;transition:all .3s ease;position:relative;z-index:1}.home-cta .ant-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 40px #00000040;background:#fff;color:#722ed1}.home-footer{margin-top:0;padding:60px 24px 40px;background:linear-gradient(180deg,#0f172a,#1e293b);color:#fff}.home-footer h4.ant-typography,.home-footer h5.ant-typography{color:#fff!important;font-weight:600;margin-bottom:16px}.home-footer h4.ant-typography{font-size:24px;background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.home-footer p.ant-typography{color:#94a3b8!important;font-size:14px;line-height:1.7}.home-footer .footer-contact{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:#94a3b8;font-size:14px;transition:color .3s ease}.home-footer .footer-contact:hover{color:#60a5fa}.home-footer .footer-contact .anticon{font-size:16px;color:#60a5fa}.home-footer .footer-social{display:flex;gap:12px}.home-footer .footer-social a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:#ffffff1a;color:#fff;transition:all .3s ease}.home-footer .footer-social a:hover{background:linear-gradient(135deg,#1890ff,#722ed1);transform:translateY(-3px)}.home-footer .footer-social .anticon{font-size:20px}.home-footer .footer-bottom{text-align:center;margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}.home-footer .footer-bottom span.ant-typography{color:#64748b!important;font-size:13px}@media (max-width: 1200px){.home-hot-course .ant-card .img_kh_hot{height:180px}.home-about h3.ant-typography{font-size:30px}}@media (max-width: 992px){.home-banner{padding:80px 20px;margin:16px;min-height:360px}.home-banner-content h1.ant-typography{font-size:36px}.home-banner-content p.ant-typography{font-size:17px}.home-features{margin:24px 16px}.home-about{margin:60px 0;padding:48px 16px}.home-about h3.ant-typography{font-size:28px;text-align:center}.home-about h3.ant-typography:after{left:50%;transform:translate(-50%)}.home-hot-course{padding:0 16px}.home-hot-course h2.ant-typography{font-size:28px}.home-testimonials{padding:48px 16px}.home-testimonials h2.ant-typography{font-size:28px}.home-cta{padding:60px 16px}.home-cta h3.ant-typography{font-size:28px}.home-footer{padding:48px 16px 32px}}@media (max-width: 768px){.home-banner{padding:60px 16px;margin:12px;min-height:300px;border-radius:16px}.home-banner-content h1.ant-typography{font-size:28px}.home-banner-content p.ant-typography{font-size:15px;margin-bottom:24px}.home-banner .ant-btn{height:44px;padding:0 28px;font-size:15px}.home-features{margin:16px 12px}.home-features .ant-card{min-height:180px}.home-features .ant-card .feature-icon{width:56px;height:56px;font-size:26px}.home-about{margin:40px 0;padding:40px 12px}.home-about h3.ant-typography{font-size:24px}.home-about p.ant-typography{font-size:15px}.home-hot-course{padding:0 12px;margin-bottom:40px}.home-hot-course h2.ant-typography{font-size:24px}.home-hot-course .ant-card .img_kh_hot{height:160px}.home-testimonials{padding:40px 12px;margin-bottom:40px}.home-testimonials h2.ant-typography{font-size:24px;margin-bottom:32px}.home-testimonials .testimonial-card{min-height:auto;padding:24px 16px}.home-cta{padding:48px 16px}.home-cta h3.ant-typography{font-size:24px}.home-cta .ant-btn{height:44px;padding:0 32px;font-size:15px}.home-footer{padding:40px 12px 24px}}@media (max-width: 576px){.home-banner{padding:48px 12px;margin:8px;min-height:260px;border-radius:12px}.home-banner-content h1.ant-typography{font-size:22px}.home-banner-content p.ant-typography{font-size:14px;margin-bottom:20px}.home-banner .ant-btn{height:40px;padding:0 24px;font-size:14px;border-radius:20px}.home-features{margin:12px 8px}.home-features .ant-card{min-height:auto;padding:16px}.home-features .ant-card .feature-icon{width:48px;height:48px;font-size:22px;margin-bottom:12px}.home-features .ant-card h4.ant-typography{font-size:16px}.home-about{padding:32px 8px}.home-about h3.ant-typography{font-size:20px}.home-about p.ant-typography{font-size:14px}.home-hot-course{padding:0 8px}.home-hot-course h2.ant-typography{font-size:20px}.home-hot-course .ant-card h3.course-title{font-size:15px}.home-testimonials{padding:32px 8px}.home-testimonials h2.ant-typography{font-size:20px}.home-testimonials .testimonial-avatar{width:64px;height:64px}.home-testimonials .testimonial-quote{font-size:13px}.home-cta{padding:40px 12px}.home-cta h3.ant-typography{font-size:20px}.home-footer{padding:32px 8px 20px}.home-footer h4.ant-typography{font-size:20px}.home-footer .footer-social a{width:40px;height:40px}}.ant-modal-content{border-radius:8px}.ant-modal-header{border-bottom:none}.ant-modal-title{font-size:20px;font-weight:600;text-align:center}.ant-form-item-label>label{font-weight:500}.ant-btn-primary{background-color:#1890ff;border-color:#1890ff;height:40px;font-size:16px}.ant-btn-primary:hover{background-color:#40a9ff;border-color:#40a9ff}.notification-trigger{display:flex;align-items:center;cursor:pointer}.noti-badge{display:flex;align-items:center}.notification-icon{font-size:20px;cursor:pointer;transition:color .2s ease}.notification-icon:hover{color:#40a9ff}.noti-badge .ant-badge-count{background:#ff4d4f;color:#fff;font-size:11px;min-width:18px;height:18px;line-height:18px;border-radius:9px;box-shadow:0 0 0 2px #fff;font-weight:600;padding:0 5px}.noti-badge .ant-badge-count{animation:badgePopIn .3s ease-out}.notification-dropdown{width:380px;max-height:480px;background:#fff;border-radius:12px;box-shadow:0 6px 24px #00000026;overflow:hidden}.notification-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #f0f0f0;background:linear-gradient(135deg,#667eea,#764ba2)}.notification-title{font-size:16px;font-weight:600;color:#fff}.mark-all-btn{color:#ffffffe6!important;font-size:12px;padding:0}.mark-all-btn:hover{color:#fff!important}.notification-list{max-height:400px;overflow-y:auto}.notification-list::-webkit-scrollbar{width:6px}.notification-list::-webkit-scrollbar-thumb{background:#d9d9d9;border-radius:3px}.notification-loading{display:flex;justify-content:center;align-items:center;padding:40px}.notification-empty{padding:40px 20px}.notification-item{display:flex;align-items:flex-start;gap:12px;padding:14px 20px;cursor:pointer;transition:background-color .2s ease;position:relative;border-bottom:1px solid #f5f5f5}.notification-item:hover{background-color:#fafafa}.notification-item.unread{background-color:#f0f7ff}.notification-item.unread:hover{background-color:#e6f4ff}.notification-item-icon{flex-shrink:0;width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:#f0f0f0}.noti-type-icon{font-size:18px;color:#666}.noti-type-course{color:#52c41a}.noti-type-class{color:#1890ff}.noti-type-quiz{color:#722ed1}.noti-type-update{color:#fa8c16}.notification-item-icon:has(.noti-type-course){background:#f6ffed}.notification-item-icon:has(.noti-type-class){background:#e6f7ff}.notification-item-icon:has(.noti-type-quiz){background:#f9f0ff}.notification-item-icon:has(.noti-type-update){background:#fff7e6}.notification-item-content{flex:1;min-width:0}.notification-item-title{font-size:14px;font-weight:600;color:#1f1f1f;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notification-item-desc{font-size:13px;color:#666;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notification-item-time{font-size:11px;color:#999}.notification-unread-dot{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:#1890ff}@media (max-width: 768px){.notification-icon{font-size:18px}.notification-dropdown{width:320px;max-height:400px}.notification-header,.notification-item{padding:12px 16px}.notification-item-icon{width:36px;height:36px}.noti-type-icon{font-size:16px}}.user-icon{font-size:20px;cursor:pointer}.user-icon:hover{color:#40a9ff}.ant-dropdown-menu-item{font-size:16px;padding:8px 16px}.ant-dropdown-menu-item:hover{background-color:#f0f0f0}.cart-drawer{z-index:1001}.cart-drawer .ant-drawer-header{border-bottom:1px solid #f0f0f0;padding:16px 24px}.cart-drawer-header{display:flex;justify-content:space-between;align-items:center;width:100%}.cart-drawer-header .ant-typography{color:#1890ff;margin:0}.cart-content{height:100%;display:flex;flex-direction:column;grid-template-columns:none!important}.cart-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px}.cart-list{flex:1;overflow-y:auto}.cart-list .ant-list-item{padding:16px 0;border-bottom:1px solid #f0f0f0;align-items:flex-start}.cart-list .ant-list-item:last-child{border-bottom:none}.cart-item{transition:background-color .2s ease;border-radius:4px;padding:8px;margin:0 -8px}.cart-item:hover{background-color:#fafafa}.cart-item-title{margin-bottom:4px}.cart-item-title .ant-typography{font-size:14px;line-height:1.4;margin:0}.cart-item-description{margin-top:4px}.cart-footer{border-top:1px solid #f0f0f0;padding:16px 24px;background:#fafafa}.cart-total{text-align:center;margin-bottom:16px;padding:12px;background:#f6ffed;border-radius:6px;border:1px solid #b7eb8f}.cart-actions{display:flex;flex-direction:column;gap:8px}.cart-actions .ant-btn{height:40px;font-weight:600}.cart-actions .ant-btn-primary{background:#52c41a;border-color:#52c41a}.cart-actions .ant-btn-primary:hover{background:#73d13d;border-color:#73d13d}.cart-list .ant-list-item-action>li{padding:0 4px}.cart-list .ant-list-item-action .ant-btn{height:28px;font-size:12px;padding:0 8px}.cart-drawer .ant-empty{padding:40px 20px}.cart-drawer .ant-empty-description{color:#999}@media (max-width: 576px){.cart-drawer{width:100%!important}.cart-list .ant-list-item{padding:12px 0}.cart-list .ant-list-item-action{margin-left:8px}.cart-list .ant-list-item-action .ant-btn{font-size:11px;padding:0 6px}.cart-footer{padding:12px 16px}}.cart-badge-container{display:flex;align-items:center}.cart-icon{font-size:20px;cursor:pointer;transition:color .2s ease}.cart-icon:hover{color:#40a9ff}.cart-button{color:inherit;font-size:20px;height:auto;width:auto;display:flex;align-items:center;justify-content:center;border:none;background:transparent;padding:0;transition:color .2s ease}.cart-button:hover,.cart-button:focus{background:transparent!important;color:#40a9ff!important;box-shadow:none!important}.cart-badge .ant-badge-count{background:#52c41a;color:#fff;font-size:12px;min-width:20px;height:20px;line-height:20px;border-radius:10px;box-shadow:0 0 0 2px #fff;font-weight:600;padding:0 6px}.cart-text{margin-left:8px;font-size:14px;font-weight:500}.cart-count{font-weight:600;color:#52c41a}.cart-badge-container.size-small .cart-icon,.cart-badge-container.size-small .cart-button{font-size:16px}.cart-badge-container.size-large .cart-icon,.cart-badge-container.size-large .cart-button{font-size:24px}@media (max-width: 768px){.cart-icon,.cart-button{font-size:18px}.cart-text{display:none}}.cart-badge .ant-badge-count{animation:badgePopIn .3s ease-out}@keyframes badgePopIn{0%{transform:scale(0);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}:root{--sidebar-width: 250px;--sidebar-collapsed-width: 80px;--header-height: 64px;--breakpoint-xl: 1200px;--breakpoint-lg: 992px;--breakpoint-md: 768px;--breakpoint-sm: 576px}.main-layout{min-height:100vh}.main-header{background-color:#fff;box-shadow:0 2px 8px #00000014;padding:0 24px;position:sticky;top:0;z-index:1000;height:64px}.header-container{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;height:100%;gap:24px}.logo{display:flex;align-items:center;flex-shrink:0}.logo-link{display:flex;align-items:center}.logo-img{height:40px;width:auto}.main-content{background-color:#f5f7fa;padding:24px;min-height:calc(100vh - 64px)}.menu-container{display:flex;align-items:center;gap:20px;flex:1;justify-content:flex-end}.menu-container.hidden-mobile{display:none!important}.main-menu{border-bottom:none!important;line-height:64px;flex-shrink:1;background:transparent}.main-menu .ant-menu-item{font-size:15px;font-weight:500;margin:0 4px;padding:0 16px;border-radius:6px}.main-menu .ant-menu-item:hover{background:#f5f5f5}.main-menu .ant-menu-item:after{display:none}.auth-buttons{display:flex;gap:12px;align-items:center;flex-shrink:0}.header-cart{display:flex;align-items:center}.header-cart .cart-badge-container .cart-icon,.header-cart .cart-badge-container .cart-button{font-size:20px!important;cursor:pointer;transition:color .2s ease}.header-cart .cart-badge-container .cart-icon:hover,.header-cart .cart-badge-container .cart-button:hover{color:#40a9ff!important}.header-cart .ant-badge-count,.auth-buttons .ant-badge-count{color:#fff;font-size:11px!important;min-width:18px!important;height:18px!important;line-height:18px!important;border-radius:9px!important;box-shadow:0 0 0 2px #fff!important;font-weight:600;padding:0 5px!important}.header-cart .ant-badge-count{background:#52c41a!important}.auth-buttons .noti-badge .ant-badge-count{background:#ff4d4f!important}.mobile-header-actions{display:flex;align-items:center;gap:8px}.mobile-menu-btn{font-size:22px;color:#333;padding:4px 8px;height:auto;transition:color .2s ease;display:flex;align-items:center;justify-content:center}.mobile-menu-btn:hover{color:#1890ff;background:transparent}.mobile-menu-drawer .ant-drawer-header{border-bottom:1px solid #f0f0f0;padding:16px 20px}.mobile-menu-drawer .ant-drawer-title{font-size:18px;font-weight:600;color:#1890ff}.mobile-menu-drawer .ant-drawer-body{padding:16px}.mobile-drawer-menu{border:none!important}.mobile-drawer-menu .ant-menu-item{margin:4px 0;padding:12px 16px!important;height:auto!important;line-height:1.5!important;font-size:15px;border-radius:8px;transition:background .2s ease}.mobile-drawer-menu .ant-menu-item:hover{background:#f5f5f5}.mobile-drawer-menu .ant-menu-item-selected{background:#e6f7ff!important}.mobile-drawer-menu .ant-menu-item a{color:#333;display:block}.mobile-drawer-menu .ant-menu-item-selected a{color:#1890ff}.mobile-auth-buttons{margin-top:24px;padding:16px;border-top:1px solid #f0f0f0}.mobile-auth-buttons .ant-btn{height:44px;font-size:15px;border-radius:8px}.mobile-auth-buttons .ant-btn-primary{background:linear-gradient(135deg,#1890ff,#40a9ff);border:none}.mobile-auth-buttons .ant-btn-primary:hover{background:linear-gradient(135deg,#40a9ff,#69c0ff)}@media (max-width: 1200px){.header-container{max-width:100%;gap:16px}.main-menu .ant-menu-item{padding:0 12px;font-size:14px}}@media (max-width: 992px){.main-header{padding:0 16px}.menu-container{gap:12px}.main-menu .ant-menu-item{margin:0 2px;padding:0 10px;font-size:13px}.auth-buttons{gap:8px}.main-content{padding:16px}}@media (max-width: 768px){.main-header{padding:0 12px}.header-container{gap:12px}.logo-img{height:36px}.header-cart .cart-badge-container .cart-icon,.header-cart .cart-badge-container .cart-button{font-size:18px!important}.mobile-header-actions{gap:6px}.main-content{padding:12px}}@media (max-width: 576px){.main-header{padding:0 8px}.logo-img{height:32px}.mobile-menu-btn{font-size:20px;padding:4px}.mobile-header-actions{gap:4px}.main-content{padding:8px}}@media (max-width: 480px){.header-container{gap:8px}.logo-img{height:28px}.header-cart .cart-badge-container .cart-icon,.header-cart .cart-badge-container .cart-button{font-size:16px!important}.mobile-header-actions .ant-avatar{width:28px!important;height:28px!important;font-size:12px!important}}.courses-page-container{max-width:1400px;margin:0 auto;padding:24px;width:100%}.page-title{text-align:center;margin-bottom:24px!important}.filters-card{margin-bottom:24px;border-radius:8px;box-shadow:0 2px 8px #0000001a}.filters-wrapper{display:flex;flex-wrap:wrap;gap:16px;align-items:center}.filter-search{flex:1;min-width:200px;max-width:500px}.filters-right{display:flex;gap:16px;margin-left:auto;flex-wrap:wrap}.filter-select{width:220px;min-width:unset;max-width:100%;flex:none}.filter-sort{width:180px}.courses-list-section{min-height:400px}.pagination-container{margin-top:24px;text-align:center}.custom-pagination{display:inline-block}@media (max-width: 1200px){.courses-page-container{padding:20px}.filter-select{width:200px}}@media (max-width: 992px){.courses-page-container{padding:16px}.filters-wrapper{gap:12px}.filter-search{min-width:180px}.filter-select{width:180px}.filter-sort{width:160px}}@media (max-width: 768px){.courses-page-container{padding:12px}.filters-wrapper{flex-direction:column;align-items:stretch}.filter-search{max-width:100%;min-width:auto}.filters-right{margin-left:0;width:100%}.filter-select{width:100%;flex:1}.filter-sort{width:100%}.courses-list-section{min-height:300px}}@media (max-width: 576px){.courses-page-container{padding:8px}.filters-card{margin-bottom:16px}.filters-wrapper{gap:8px}.filters-right{flex-direction:column;gap:8px}.pagination-container{margin-top:16px}}.course-detail-drawer .ant-drawer-header{border-bottom:1px solid #f0f0f0}.course-detail-drawer .ant-drawer-title{font-weight:600;color:#1890ff}.drawer-content{display:flex;flex-direction:column}.drawer-thumbnail{position:relative;border-radius:8px;overflow:hidden;margin-bottom:16px;background:#f0f0f0}.drawer-thumbnail img{width:100%;height:200px;object-fit:cover;display:block}.drawer-thumbnail .category-tag{position:absolute;top:12px;left:12px}.drawer-thumbnail .bought-tag{position:absolute;top:12px;right:12px}.course-title{margin-bottom:8px!important;line-height:1.4}.course-author{color:#666;margin-bottom:12px;font-size:14px}.course-author .anticon{margin-right:6px}.course-price,.course-description h5{margin-bottom:8px}.course-description .ant-typography{color:#666;font-size:14px;line-height:1.6}.drawer-actions{margin-top:auto;padding-top:16px}.drawer-actions .ant-btn{height:44px;font-size:15px}.course-card{display:flex;flex-direction:column;height:100%;border-radius:8px;overflow:hidden;box-shadow:0 4px 6px #0000001a;transition:transform .2s ease-in-out,box-shadow .2s ease-in-out}.course-card:hover{transform:translateY(-5px);box-shadow:0 8px 12px #00000026}.course-card .ant-card-cover{height:180px;overflow:hidden}.course-card-cover{position:relative;height:100%;width:100%}.course-card-thumbnail{width:100%;height:100%;object-fit:cover}.course-card-category-overlay{position:absolute;top:8px;right:8px;z-index:2;margin:0!important;box-shadow:0 2px 4px #0003;font-weight:500}.course-card-bought-overlay{position:absolute;top:8px;left:8px;z-index:2;margin:0!important;box-shadow:0 2px 4px #0003;font-weight:500;background-color:#52c41a;color:#fff}.course-card .ant-card-body{padding:0;display:flex;flex-direction:column;flex-grow:1}.course-card-content{padding:16px;display:flex;flex-direction:column;flex-grow:1}.course-card-title{margin-bottom:4px!important}.course-card-footer{padding-top:10px;border-top:1px solid #d9d9d9;margin-top:auto}.course-card-price{color:#1890ff!important;margin-bottom:12px!important}.course-card-actions{display:flex;gap:8px}.course-card-actions .ant-btn{flex:1}.blog-public-container{max-width:1500px;margin:0 auto;padding:40px 20px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#333;width:100%}.blog-header-section{text-align:center;margin-bottom:50px}.blog-header-section h1{font-size:2.5rem;color:#1a1a1a;margin-bottom:10px;font-weight:800}.blog-header-section p{color:#666;font-size:1.1rem}.blog-layout-wrapper{display:flex;gap:40px;align-items:flex-start}.blog-main-content{flex:3;min-width:0}.blog-sidebar-wrapper{flex:1;min-width:280px;max-width:350px;position:sticky;top:20px}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin-bottom:40px}.blog-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 12px #0000000d;transition:transform .3s ease,box-shadow .3s ease;border:1px solid #eee;display:flex;flex-direction:column;height:100%;cursor:pointer}.blog-card:hover{transform:translateY(-5px);box-shadow:0 12px 20px #0000001a}.blog-card-image{height:200px;overflow:hidden}.blog-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.blog-card:hover .blog-card-image img{transform:scale(1.05)}.blog-card-content{padding:20px;display:flex;flex-direction:column;flex-grow:1}.blog-meta{font-size:.8rem;color:#888;margin-bottom:10px;display:flex;justify-content:space-between}.blog-category-tag{color:#1890ff;font-weight:600;text-transform:uppercase;font-size:.75rem}.blog-title{font-size:1.25rem;font-weight:700;margin-bottom:10px;line-height:1.4;color:#2c3e50;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.blog-excerpt{color:#555;font-size:.95rem;line-height:1.6;margin-bottom:20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex-grow:1}.blog-card-footer{margin-top:auto;padding-top:15px;border-top:1px solid #f0f0f0;display:flex;align-items:center;justify-content:space-between;color:#888;font-size:.85rem}.read-more-text{color:#1890ff;font-weight:600}.sidebar-widget{background:#fff;padding:24px;border-radius:12px;box-shadow:0 4px 12px #0000000d;border:1px solid #eee;margin-bottom:30px}.widget-title{font-size:1.1rem;font-weight:700;color:#1a1a1a;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #1890ff;display:inline-block}.category-list{list-style:none;padding:0;margin:0}.category-item{padding:12px 0;cursor:pointer;border-bottom:1px dashed #eee;transition:all .2s;color:#555;font-weight:500;display:flex;align-items:center}.category-item:hover,.category-item.active{color:#1890ff;padding-left:8px}.cat-icon{font-size:.8rem;margin-right:10px}.recent-post-item{cursor:pointer;transition:background .2s;padding:10px!important;border-radius:8px}.recent-post-item:hover{background-color:#f8f9fa}.recent-post-thumb{width:60px;height:60px;border-radius:8px;overflow:hidden;border:1px solid #eee}.recent-post-title{font-size:.95rem;font-weight:600;color:#333;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.3}.recent-post-date{font-size:.8rem;color:#999}.blog-detail-wrapper{background:#fff;padding:40px;border-radius:16px;box-shadow:0 4px 20px #0000000f;animation:fadeIn .5s ease-out}.back-btn{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;color:#666;font-weight:500;cursor:pointer;transition:color .2s;font-size:.95rem}.back-btn:hover{color:#1890ff}.detail-header{margin-bottom:30px;border-bottom:1px solid #eee;padding-bottom:20px}.detail-title{font-size:2.2rem;font-weight:800;color:#1a1a1a;margin-bottom:15px;line-height:1.3}.detail-meta-row{display:flex;gap:20px;color:#666;font-size:.95rem;flex-wrap:wrap}.detail-image{width:100%;max-height:500px;object-fit:cover;border-radius:12px;margin-bottom:40px}.blog-content-html{font-size:1.1rem;line-height:1.8;color:#2c3e50}.blog-content-html p{margin-bottom:1.5em}.blog-content-html h2{font-size:1.8rem;margin:40px 0 20px;color:#1a1a1a}.blog-content-html h3{font-size:1.5rem;margin:30px 0 15px;color:#1a1a1a}.blog-content-html img{max-width:100%;height:auto;border-radius:8px;margin:20px 0;display:block}.blog-content-html ul,.blog-content-html ol{margin-bottom:20px;padding-left:20px}.blog-content-html blockquote{border-left:4px solid #1890ff;margin:20px 0;padding:15px 20px;background:#f9f9f9;font-style:italic;color:#555;border-radius:0 8px 8px 0}.loading-container,.empty-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 0;color:#888;min-height:400px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 1200px){.blog-public-container{padding:32px 16px}.blog-layout-wrapper{gap:30px}.blog-sidebar-wrapper{min-width:260px}}@media (max-width: 992px){.blog-public-container{padding:24px 16px}.blog-layout-wrapper{flex-direction:column;gap:24px}.blog-sidebar-wrapper{width:100%;min-width:auto;max-width:none;position:static}.blog-main-content{width:100%;flex:none}.blog-header-section{margin-bottom:32px}.blog-header-section h1{font-size:2rem}.blog-grid{gap:20px}}@media (max-width: 768px){.blog-public-container{padding:20px 12px}.blog-header-section h1{font-size:1.75rem}.blog-header-section p{font-size:1rem}.blog-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.blog-card-image{height:180px}.blog-card-content{padding:16px}.detail-title{font-size:1.75rem}.blog-detail-wrapper{padding:24px}}@media (max-width: 576px){.blog-public-container{padding:16px 8px}.blog-header-section{margin-bottom:24px}.blog-header-section h1{font-size:1.5rem}.blog-grid{grid-template-columns:1fr;gap:12px}.blog-card-image{height:160px}.blog-card-content{padding:12px}.blog-title{font-size:1.1rem}.sidebar-widget{padding:16px}.blog-detail-wrapper{padding:16px;border-radius:8px}.detail-title{font-size:1.5rem}}.video-courses-page{min-height:calc(100vh - 64px);background:#f5f7fa}.my-courses-container{padding:24px;max-width:1400px;margin:0 auto}.my-courses-header{margin-bottom:20px}.my-courses-header h2{font-size:24px;font-weight:600;margin-bottom:8px;color:#1890ff}.my-courses-header .subtitle{font-size:14px;color:#00000073;margin:0}.loading-container{display:flex;justify-content:center;align-items:center;min-height:400px}.course-card-item{border-radius:16px;overflow:hidden;transition:all .3s ease;box-shadow:0 4px 12px #00000014;height:100%;display:flex;flex-direction:column;background:#fff}.course-card-item:hover{transform:translateY(-6px);box-shadow:0 12px 32px #00000026}.course-card-item .ant-card-body{flex:1;display:flex;flex-direction:column;padding:16px}.course-card-item .ant-card-meta{flex:1}.course-card-item .ant-card-meta-title{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;min-height:44px}.course-thumbnail{position:relative;width:100%;height:180px;overflow:hidden}.course-thumbnail img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.course-card-item:hover .course-thumbnail img{transform:scale(1.08)}.play-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0006;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.play-overlay .anticon{font-size:56px;color:#fff;filter:drop-shadow(0 2px 8px rgba(0,0,0,.3))}.course-card-item:hover .play-overlay{opacity:1}.purchased-tag{position:absolute;top:12px;left:12px;font-size:12px;font-weight:600;border-radius:6px;padding:4px 10px}.course-meta{color:#666;font-size:13px}.course-meta .author{display:flex;align-items:center;gap:6px}.start-learning-btn{margin-top:16px;border-radius:8px;font-weight:600;height:40px;background:linear-gradient(135deg,#1890ff,#40a9ff);border:none;font-size:14px}.start-learning-btn:hover{background:linear-gradient(135deg,#40a9ff,#69c0ff)}.course-player-container{min-height:calc(100vh - 64px);background:#f5f7fa}.player-header{padding:16px 24px;background:#fff;border-bottom:1px solid #e8e8e8}.player-header .back-link{padding:0;height:auto;color:#1890ff;font-size:14px;margin-bottom:12px;display:inline-flex;align-items:center}.player-header .back-link:hover{color:#40a9ff}.player-header .header-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.player-header .course-title{margin:0;font-size:22px;font-weight:600;color:#1a202c;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-header .toggle-sidebar-btn{color:#666;font-size:20px;flex-shrink:0}.player-header .toggle-sidebar-btn:hover{color:#1890ff}.player-content{display:flex;min-height:calc(100vh - 164px)}.video-section{flex:1;display:flex;flex-direction:column;overflow-y:auto;background:#fff}.video-section.full-width{flex:1}.video-wrapper{position:relative;width:100%;padding-top:56.25%;background:#000}.video-wrapper iframe,.video-wrapper .video-player{position:absolute;top:0;left:0;width:100%;height:100%;border:none;background:#000}.video-wrapper .video-player{object-fit:contain}.video-wrapper .no-video{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#999;gap:16px;background:#f0f2f5}.video-wrapper .no-video .anticon{font-size:72px;color:#bfbfbf}.video-wrapper .no-video .ant-typography{color:#8c8c8c;font-size:16px}.lesson-info{padding:24px;background:#fff;border-top:1px solid #f0f0f0}.lesson-info h4{margin:0 0 16px;color:#1a202c;font-size:20px}.lesson-meta{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.lesson-content{margin-top:24px;padding-top:24px;border-top:1px solid #f0f0f0}.lesson-content h5{margin:0 0 12px;color:#2d3748;font-size:16px}.lesson-content .ant-typography{color:#4a5568;line-height:1.7}.lesson-attachments{margin-top:24px;padding:20px;background:#fafafa;border-radius:12px;border:1px solid #f0f0f0}.lesson-attachments h5{margin:0 0 16px;color:#2d3748}.lesson-attachments .ant-list-item{padding:12px 0;border-bottom:1px dashed #e8e8e8}.lesson-attachments .ant-list-item:last-child{border-bottom:none}.lesson-attachments a{display:flex;align-items:center;gap:10px;color:#1890ff;font-weight:500}.lesson-attachments a:hover{color:#40a9ff}.lesson-sidebar{width:360px;min-width:360px;background:#fff;border-left:1px solid #e8e8e8;display:flex;flex-direction:column;transition:all .3s ease;overflow:hidden}.lesson-sidebar.collapsed{width:0;min-width:0;border-left:none}.sidebar-header{padding:20px 24px;border-bottom:1px solid #f0f0f0;display:flex;justify-content:space-between;align-items:center;background:#fafafa}.sidebar-header h5{margin:0;color:#1a202c;font-size:16px;font-weight:600}.sidebar-header .ant-tag{font-weight:600}.sidebar-loading{display:flex;justify-content:center;padding:60px 20px}.lesson-list{flex:1;overflow-y:auto}.lesson-item{display:flex;gap:14px;padding:16px 24px;cursor:pointer;transition:all .2s ease;border-left:3px solid transparent;border-bottom:1px solid #f5f5f5;align-items:flex-start}.lesson-item:hover{background:#f5f7fa}.lesson-item.active{background:#e6f7ff;border-left-color:#1890ff}.lesson-number{width:32px;height:32px;min-width:32px;border-radius:50%;background:#f0f0f0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#666}.lesson-item.active .lesson-number{background:#1890ff;color:#fff}.lesson-number .playing-icon{font-size:16px;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.lesson-details{flex:1;min-width:0}.lesson-details .lesson-title{font-size:14px;font-weight:500;color:#333;line-height:1.4;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lesson-item.active .lesson-details .lesson-title{color:#1890ff;font-weight:600}.lesson-details .lesson-duration{font-size:12px;color:#999;display:flex;align-items:center;gap:6px}.lesson-item.active .lesson-details .lesson-duration{color:#1890ff}.sidebar-overlay{display:none}@media (max-width: 992px){.my-courses-container{padding:20px}.lesson-sidebar{width:320px;min-width:320px}.course-thumbnail{height:160px}}@media (max-width: 768px){.my-courses-container{padding:16px}.my-courses-header h2{font-size:22px}.course-thumbnail{height:180px}.course-card-item .ant-card-meta-title{font-size:15px;min-height:42px}.player-header{padding:12px 16px}.player-header .course-title{font-size:18px}.player-content{flex-direction:column;position:relative}.video-section{flex:none}.lesson-info{padding:16px}.lesson-info h4{font-size:18px}.lesson-sidebar{position:fixed;top:0;right:0;bottom:0;width:85%;max-width:320px;min-width:auto;z-index:1001;transform:translate(100%);box-shadow:none}.lesson-sidebar:not(.collapsed){transform:translate(0);box-shadow:-8px 0 32px #00000026}.sidebar-overlay{display:block;position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;z-index:1000}.lesson-item{padding:14px 20px}.lesson-number{width:28px;height:28px;min-width:28px;font-size:12px}.lesson-details .lesson-title{font-size:13px}}@media (max-width: 576px){.my-courses-container{padding:12px}.my-courses-header h2{font-size:20px}.my-courses-header{margin-bottom:20px}.course-thumbnail{height:160px}.course-card-item .ant-card-body{padding:12px}.start-learning-btn{height:36px;font-size:13px}.player-header{padding:10px 12px}.player-header .course-title{font-size:16px}.lesson-sidebar{width:100%;max-width:100%}.sidebar-header{padding:16px 20px}.lesson-item{padding:12px 16px;gap:12px}}.room-management-modal .modal-toolbar{margin-bottom:16px}.room-management-modal .room-form-container{background:#f5f5f5;padding:16px;border-radius:8px;margin-bottom:16px}.room-management-modal .room-form{display:flex;flex-wrap:wrap;gap:8px}.room-management-modal .room-name{font-weight:500;color:#1890ff}.room-management-modal .text-muted{color:#999;font-style:italic}.room-management-modal .row-editing,.room-management-modal .row-editing td{background-color:#e6f7ff!important}.room-management-modal .ant-table-tbody>tr:hover>td{background-color:#fafafa}@media (max-width: 768px){.room-management-modal .room-form{flex-direction:column}.room-management-modal .room-form .ant-form-item{margin-bottom:8px}}.dashboard{display:flex;min-height:calc(100vh - 64px);position:relative}.dashboard .sidebar{width:270px;min-height:100vh;position:relative}.dashboard-content{margin-left:250px;padding:20px;min-height:calc(100vh - 64px);background:#f5f7fa;width:calc(100% - 250px);transition:all .3s ease}.dashboard.sidebar-collapsed .dashboard-content{margin-left:80px;width:calc(100% - 80px)}.sidebar-overlay{position:fixed;top:64px;left:0;right:0;bottom:0;background:#00000073;z-index:99}@media (max-width: 992px){.dashboard-content{margin-left:220px;width:calc(100% - 220px);padding:16px}.dashboard.sidebar-collapsed .dashboard-content{margin-left:80px;width:calc(100% - 80px)}}@media (max-width: 768px){.dashboard-content{margin-left:0;width:100%;padding:16px}.dashboard.sidebar-collapsed .dashboard-content{margin-left:0;width:100%}}@media (max-width: 576px){.dashboard-content{padding:12px}}.profile-sidebar{width:250px;min-width:250px;background:#fff;padding:16px 12px;border-right:1px solid #e8e8e8;height:calc(100vh - 64px);position:fixed;top:64px;left:0;overflow-y:auto;overflow-x:hidden;transition:all .3s ease;z-index:100}.profile-sidebar.collapsed{width:80px;min-width:80px;padding:12px 8px}.toggle-row{display:flex;justify-content:flex-end;margin-bottom:12px}.profile-sidebar.collapsed .toggle-row{justify-content:center;margin-bottom:8px}.toggle-btn{font-size:16px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s;color:#666}.toggle-btn:hover{background:#f0f0f0;color:#1890ff}.avatar-section{display:flex;flex-direction:column;align-items:center;text-align:center;padding:8px 0;border-bottom:1px solid #f0f0f0}.avatar-img{width:44px;height:44px;border-radius:50%;object-fit:cover}.profile-sidebar.collapsed .avatar-img{width:36px;height:36px}.profile-sidebar.collapsed .avatar-section{padding:4px 0}.user-info{display:flex;flex-direction:column;align-items:center;margin-top:4px}.user-role{font-size:10px;color:#1890ff;font-weight:600;text-transform:uppercase}.user-name{font-size:13px;color:#333;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.profile-sidebar .ant-menu{border-inline-end:none!important;background:transparent}.profile-sidebar .ant-menu-item{margin:4px 0;font-size:14px;border-radius:8px;height:44px}.profile-sidebar .ant-menu-item-selected{background-color:#e6f7ff!important}.profile-sidebar.collapsed .ant-menu-item{padding-inline:0;display:flex;justify-content:center;align-items:center;margin:4px 0}.profile-sidebar.collapsed .ant-menu-item .ant-menu-title-content{width:0;opacity:0;overflow:hidden}.collapsed-icon-link{display:flex;align-items:center;justify-content:center;color:inherit;width:100%;height:100%;padding:8px}.collapsed-icon-link:hover{color:#1890ff}.profile-sidebar.mobile{position:fixed;transform:translate(-100%);box-shadow:2px 0 8px #00000026}.profile-sidebar.mobile:not(.collapsed){transform:translate(0);width:260px;min-width:260px;padding:20px}.profile-sidebar.mobile.collapsed .toggle-row{position:fixed;left:0;top:68px;z-index:101;background:#fff;padding:8px;border-radius:0 8px 8px 0;box-shadow:2px 0 8px #0000001a;margin:0}.profile-sidebar.mobile.collapsed .avatar-section{display:none}@media (max-width: 992px){.profile-sidebar:not(.collapsed){width:220px;min-width:220px}.avatar-img{width:60px;height:60px}.user-name{font-size:13px;max-width:180px}}@media (max-width: 768px){.profile-sidebar{width:260px;min-width:260px;transform:translate(-100%);box-shadow:2px 0 8px #00000026}.profile-sidebar:not(.collapsed){transform:translate(0)}.profile-sidebar.collapsed .toggle-row{position:fixed;left:0;top:68px;z-index:101;background:#fff;padding:8px;border-radius:0 8px 8px 0;box-shadow:2px 0 8px #0000001a;margin:0}.profile-sidebar.collapsed .avatar-section{display:none}}@media (max-width: 576px){.profile-sidebar{width:100%;max-width:280px}.avatar-img{width:56px;height:56px}.user-name{font-size:12px}.profile-sidebar .ant-menu-item{font-size:13px;height:40px}}.profile-details{width:100%;background:#f5f7fa;min-height:calc(100vh - 64px);display:flex;flex-direction:column;align-items:center;padding:20px}.student-card{width:100%;max-width:700px;background:#fff;border:2px solid #d9d9d9;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;display:flex;margin-bottom:20px}.card-left{flex:0 0 120px;margin-right:20px}.avatar-img{width:120px;height:120px;object-fit:cover;border:2px solid #1890ff}.card-right{flex:1;min-width:0}.info-row{display:flex;gap:20px;margin-bottom:10px;flex-wrap:wrap}.info-row .ant-form-item{flex:1;min-width:200px}.ant-input[disabled],.ant-picker .ant-picker-input input[disabled],.ant-picker.ant-picker-disabled{background-color:#fff;color:#000;opacity:1;border-color:#d9d9d9}.ant-picker.ant-picker-disabled:hover:not([disabled]){background-color:#fff;color:#000;opacity:1;border-color:#d9d9d9}.ant-select.ant-select-disabled{background-color:#fff;color:#000;opacity:1;border-color:#d9d9d9}.ant-select-outlined.ant-select-disabled:not(.ant-select-customize-input) .ant-select-selector{background-color:#fff;color:#000;opacity:1;border-color:#d9d9d9}.button-group{width:100%;max-width:700px;display:flex;justify-content:flex-end}.profile-details .ant-btn{height:40px;font-size:16px}@media (max-width: 992px){.profile-details,.student-card{padding:16px}.card-left{flex:0 0 100px;margin-right:16px}.avatar-img{width:100px;height:100px}}@media (max-width: 768px){.profile-details{padding:12px}.student-card{flex-direction:column;align-items:center;text-align:center;padding:16px}.card-left{margin-right:0;margin-bottom:16px;flex:none}.avatar-img{width:100px;height:100px}.card-right{width:100%}.info-row{flex-direction:column;gap:0}.info-row .ant-form-item{min-width:100%}.button-group{justify-content:center}}@media (max-width: 576px){.profile-details{padding:8px}.student-card{padding:12px}.profile-details .ant-btn{height:36px;font-size:14px}}.profile{overflow-x:hidden}.profile h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}@media (max-width: 768px){.profile{padding:12px}.profile h2{font-size:20px;margin-bottom:16px}}@media (max-width: 576px){.profile{padding:8px}.profile h2{font-size:18px}}.question-bank{overflow-x:hidden}.question-bank h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}.question-bank-tabs{background:#fff;padding:16px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.question-bank-tabs .ant-tabs-nav{margin-bottom:16px}.question-bank-tabs .ant-tabs-tab{font-size:14px;padding:8px 16px}.question-bank-tabs .ant-tabs-tab .anticon{margin-right:8px}.question-bank .search-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start;background:#fafafa;padding:16px;border-radius:8px;margin-bottom:16px}.question-bank .search-form .ant-form-item{margin-bottom:0}.question-bank .ant-table{background:#fff;border-radius:8px}.question-bank .ant-table-thead>tr>th{background:#fafafa;font-weight:600}.question-bank .ant-table-wrapper{overflow-x:auto}.question-bank .deleted-row{background-color:#fff1f0}.question-bank .deleted-row:hover>td{background-color:#ffccc7!important}.question-bank .ant-btn-text{padding:4px 8px}.question-bank .ant-btn-text:hover{background:#e6f7ff}.question-bank .ant-modal-body,.question-bank .ant-drawer-body{padding:24px}@media (max-width: 992px){.question-bank-tabs,.question-bank .search-form{padding:12px}}@media (max-width: 768px){.question-bank{padding:12px}.question-bank h2{font-size:20px;margin-bottom:16px}.question-bank-tabs{padding:8px}.question-bank-tabs .ant-tabs-tab{padding:6px 12px;font-size:13px}.question-bank .search-form{flex-direction:column;padding:12px}.question-bank .search-form .ant-form-item{width:100%}.question-bank .search-form .ant-input{width:100%!important}.question-bank .search-form .ant-space{width:100%;flex-wrap:wrap}.question-bank .search-form .ant-space .ant-btn{flex:1}}@media (max-width: 576px){.question-bank{padding:8px}.question-bank h2{font-size:18px}.question-bank-tabs{padding:4px}.question-bank-tabs .ant-tabs-tab{padding:4px 8px;font-size:12px}.question-bank .search-form{padding:8px;gap:8px}.question-bank .search-form .ant-space{gap:8px!important}}.score-scale-tab .ant-input-number{width:100%}@media (max-width: 768px){.question-bank .ant-modal{max-width:calc(100vw - 32px);margin:16px}.question-bank .ant-modal-body{padding:16px}.question-bank .ant-drawer{max-width:100vw}.question-bank .ant-drawer-content-wrapper{width:100%!important}}@media (max-width: 576px){.question-bank .ant-modal{max-width:calc(100vw - 16px);margin:8px}.question-bank .ant-modal-body{padding:12px}.question-bank .ant-descriptions-item-label,.question-bank .ant-descriptions-item-content{padding:8px!important;font-size:13px}}.statistics{overflow-x:hidden}.statistics h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}@media (max-width: 768px){.statistics{padding:12px}.statistics h2{font-size:20px;margin-bottom:16px}}@media (max-width: 576px){.statistics{padding:8px}.statistics h2{font-size:18px}}.member-management{overflow-x:hidden}.member-management h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}.member-management .ant-form{display:flex;gap:16px;flex-wrap:wrap;background:#fff;padding:16px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.member-management .ant-form-item{margin-bottom:0}.member-management .ant-input,.member-management .ant-select,.member-management .ant-picker{width:180px}.member-management .ant-table{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.member-management .ant-table-thead>tr>th{background:#fafafa;font-weight:600}.member-management .ant-table-wrapper{overflow-x:auto}.status-active{color:#52c41a;font-weight:500}.status-inactive{color:#fa8c16;font-weight:500}.deleted-user{text-decoration:line-through}.form-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}@media (max-width: 992px){.member-management .ant-input,.member-management .ant-select,.member-management .ant-picker{width:160px}.action-buttons .action-button-fixed{width:80px}}@media (max-width: 768px){.member-management{padding:12px}.member-management h2{font-size:20px;margin-bottom:16px}.member-management .ant-form{flex-direction:column;gap:12px;padding:12px}.member-management .ant-input,.member-management .ant-select,.member-management .ant-picker{width:100%}.form-actions{flex-direction:column;gap:8px;width:100%}.form-actions .ant-btn{width:100%}.action-buttons{flex-direction:column;gap:4px}.action-buttons .ant-btn,.action-buttons .action-button-fixed{width:100%;font-size:13px}}@media (max-width: 576px){.member-management{padding:8px}.member-management h2{font-size:18px}.member-management .ant-form{padding:8px}}.course-management{overflow-x:hidden}.course-management h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}.course-management .ant-form{display:flex;gap:16px;flex-wrap:wrap;background:#fff;padding:16px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.course-management .ant-form-item{margin-bottom:0}.course-management .ant-input,.course-management .ant-select,.course-management .ant-picker{width:180px}.course-management .ant-table{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.course-management .ant-table-thead>tr>th{background:#fafafa;font-weight:600}.course-management .ant-table-wrapper{overflow-x:auto}.form-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-left:auto}@media (max-width: 992px){.course-management .ant-input,.course-management .ant-select,.course-management .ant-picker{width:160px}.action-buttons .action-button-fixed{width:80px}}@media (max-width: 768px){.course-management{padding:12px}.course-management h2{font-size:20px;margin-bottom:16px}.course-management .ant-form{flex-direction:column;gap:12px;padding:12px}.course-management .ant-input,.course-management .ant-select,.course-management .ant-picker{width:100%}.form-actions{flex-direction:column;gap:8px;width:100%;margin-left:0}.form-actions .ant-btn{width:100%}.action-buttons{flex-direction:column;gap:4px}.action-buttons .ant-btn,.action-buttons .action-button-fixed{width:100%;font-size:13px}}@media (max-width: 576px){.course-management{padding:8px}.course-management h2{font-size:18px}.course-management .ant-form{padding:8px}}.course-thumbnail-cell{width:70px;height:50px;overflow:hidden;border-radius:6px;background:#f5f5f5}.course-thumbnail-img{width:100%;height:100%;object-fit:cover;border-radius:6px;transition:transform .2s ease}.course-thumbnail-img:hover{transform:scale(1.05)}.course-thumbnail-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:10px;color:#999;text-align:center;padding:4px}.course-title-cell{display:flex;flex-direction:column;gap:4px}.course-title{font-weight:500;color:#333;line-height:1.4}.course-description{font-size:12px;color:#888;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.course-price{font-weight:600;color:#1890ff;white-space:nowrap}.course-category{display:inline-block;padding:2px 8px;background:#f0f5ff;border-radius:4px;font-size:12px;color:#1890ff}@media (max-width: 768px){.course-thumbnail-cell{width:50px;height:35px}.course-description{display:none}.course-price{font-size:13px}}@media (max-width: 576px){.course-thumbnail-cell{width:40px;height:30px}}.blog-approval h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}.blog-approval .ant-form{display:flex;gap:16px;flex-wrap:wrap;background:#fff;padding:16px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.blog-approval .ant-form-item{margin-bottom:0}.blog-approval .ant-input,.blog-approval .ant-select,.blog-approval .ant-picker{width:180px}.blog-approval .ant-table{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.blog-approval .ant-table-thead>tr>th{background:#fafafa;font-weight:600}.status-approved{color:#52c41a;font-weight:500}.status-pending{color:#fa8c16;font-weight:500}.action-buttons{display:flex;gap:8px;flex-wrap:wrap}.action-buttons .ant-btn{height:32px;font-size:14px}.action-buttons .action-button-fixed{width:90px}.deleted-post{text-decoration:line-through}.form-actions{display:flex;gap:8px;flex-wrap:nowrap;align-items:center}.blog-preview-modal .ant-modal-body{padding:0;max-height:70vh;overflow-y:auto}.blog-preview-content{padding:24px}.blog-preview-header{border-bottom:1px solid #f0f0f0;padding-bottom:16px;margin-bottom:20px}.blog-preview-title{font-size:28px;font-weight:700;color:#1a1a1a;margin:0 0 12px;line-height:1.3}.blog-preview-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;color:#666}.blog-preview-meta span{display:flex;align-items:center;gap:4px}.blog-preview-category{background:#e6f7ff;color:#1890ff;padding:4px 8px;border-radius:4px;font-weight:500}.blog-preview-date,.blog-preview-author{background:#f6f6f6;padding:4px 8px;border-radius:4px}.blog-preview-image{margin:20px 0;text-align:center;border-radius:8px;overflow:hidden;box-shadow:0 4px 12px #0000001a}.blog-preview-body{margin:24px 0;min-height:200px}.blog-content{font-size:16px;line-height:1.7;color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.blog-content h1{font-size:2.2rem;font-weight:700;margin:2rem 0 1rem;color:#1a1a1a;line-height:1.2}.blog-content h2{font-size:1.8rem;font-weight:600;margin:1.8rem 0 .8rem;color:#2d3748;line-height:1.3}.blog-content h3{font-size:1.4rem;font-weight:600;margin:1.5rem 0 .6rem;color:#4a5568;line-height:1.4}.blog-content p{margin:1rem 0;line-height:1.7}.blog-content ul,.blog-content ol{padding-left:1.5rem;margin:1rem 0}.blog-content li{margin:.5rem 0;line-height:1.6}.blog-content blockquote{border-left:4px solid #1890ff;padding-left:1.5rem;margin:1.5rem 0;font-style:italic;color:#4a5568;background:#f7fafc;padding:1rem 1.5rem;border-radius:0 8px 8px 0}.blog-content img{max-width:100%;height:auto;border-radius:8px;margin:1.5rem auto;display:block;box-shadow:0 4px 12px #00000026}.blog-content a{color:#1890ff;text-decoration:none;border-bottom:1px solid #1890ff;transition:all .2s ease}.blog-content a:hover{color:#096dd9;border-bottom-color:#096dd9;background:#1890ff1a}.blog-content code{background:#f1f5f9;color:#e53e3e;padding:.2em .4em;border-radius:4px;font-size:.9em;font-family:Fira Code,Monaco,Consolas,monospace}.blog-content pre{background:#2d3748;color:#e2e8f0;padding:1rem;border-radius:8px;overflow-x:auto;margin:1.5rem 0}.blog-content pre code{background:transparent;color:inherit;padding:0}.blog-preview-footer{border-top:1px solid #f0f0f0;padding-top:16px;margin-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.blog-preview-status{display:flex;gap:8px;flex-wrap:wrap}.status-badge{padding:4px 12px;border-radius:16px;font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:4px}.status-badge.active{background:#f6ffed;color:#52c41a;border:1px solid #b7eb8f}.status-badge.inactive{background:#fff7e6;color:#fa8c16;border:1px solid #ffd591}.status-badge.deleted{background:#fff2f0;color:#ff4d4f;border:1px solid #ffccc7}.blog-preview-updated{font-style:italic;color:#8c8c8c}@media (max-width: 768px){.blog-approval{margin-left:0;padding:16px}.blog-approval .ant-form{flex-direction:column}.blog-approval .ant-input,.blog-approval .ant-select,.blog-approval .ant-picker{width:100%}.form-actions{flex-direction:column;gap:12px;width:100%}.form-actions .ant-btn{width:100%}.action-buttons{flex-direction:column}.action-buttons .ant-btn{width:100%}.blog-preview-modal .ant-modal{margin:0;padding:8px;max-width:100vw}.blog-preview-content{padding:16px}.blog-preview-title{font-size:24px}.blog-preview-meta{flex-direction:column;gap:8px}.blog-preview-footer{flex-direction:column;align-items:flex-start;gap:8px}.blog-content h1{font-size:1.8rem}.blog-content h2{font-size:1.5rem}.blog-content h3{font-size:1.3rem}}.blog-preview-modal .ant-modal-content{animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.blog-preview-modal .ant-modal-body::-webkit-scrollbar{width:6px}.blog-preview-modal .ant-modal-body::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.blog-preview-modal .ant-modal-body::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.blog-preview-modal .ant-modal-body::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.business{width:100%}.business h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}@media (max-width: 992px){.business h2{font-size:22px}}@media (max-width: 768px){.business h2{font-size:20px;margin-bottom:16px}}@media (max-width: 576px){.business h2{font-size:18px}}.tiptap-editor{border:2px solid #e1e5e9;border-radius:12px;background:#fff;box-shadow:0 2px 8px #0000001a;transition:border-color .2s ease}.tiptap-editor:focus-within{border-color:#1890ff;box-shadow:0 4px 12px #1890ff26}.tiptap-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:12px 16px;border-bottom:1px solid #f0f0f0;background:#fafbfc;border-radius:12px 12px 0 0}.toolbar-group{display:flex;gap:2px;align-items:center}.toolbar-separator{width:1px;height:24px;background:#e1e5e9;margin:0 8px}.toolbar-btn{display:flex;align-items:center;justify-content:center;padding:6px 10px;border:1px solid transparent;border-radius:6px;background:transparent;font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease;color:#4a5568;white-space:nowrap;min-width:auto;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.toolbar-btn:hover{background:#e2e8f0;border-color:#cbd5e0;color:#2d3748;transform:translateY(-1px)}.toolbar-btn:active{transform:translateY(0);transition:transform .1s ease}.toolbar-btn.is-active{background:#1890ff;border-color:#1890ff;color:#fff;box-shadow:0 2px 4px #1890ff4d}.toolbar-btn.is-active:hover{background:#096dd9;border-color:#096dd9;transform:translateY(-1px)}.toolbar-btn.is-disabled{opacity:.5;cursor:not-allowed;pointer-events:none;transform:none}.tiptap-content{min-height:400px;padding:20px 24px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.7;color:#2d3748}.tiptap-content .ProseMirror{outline:none;min-height:360px}.tiptap-content .ProseMirror h1{font-size:2.5rem;font-weight:700;margin:2rem 0 1rem;color:#1a202c;line-height:1.2}.tiptap-content .ProseMirror h2{font-size:2rem;font-weight:600;margin:1.8rem 0 .8rem;color:#2d3748;line-height:1.3}.tiptap-content .ProseMirror h3{font-size:1.5rem;font-weight:600;margin:1.5rem 0 .6rem;color:#4a5568;line-height:1.4}.tiptap-content .ProseMirror p{margin:1rem 0;line-height:1.7}.tiptap-content .ProseMirror p.is-editor-empty:first-child:before{color:#a0aec0;content:attr(data-placeholder);float:left;height:0;pointer-events:none}.tiptap-content .ProseMirror ul,.tiptap-content .ProseMirror ol{padding-left:1.5rem;margin:1rem 0}.tiptap-content .ProseMirror li{margin:.5rem 0;line-height:1.6}.tiptap-content .ProseMirror ul li{list-style-type:disc}.tiptap-content .ProseMirror ol li{list-style-type:decimal}.tiptap-content .ProseMirror blockquote{border-left:4px solid #1890ff;padding-left:1.5rem;margin:1.5rem 0;font-style:italic;color:#4a5568;background:#f7fafc;padding:1rem 1.5rem;border-radius:0 8px 8px 0}.tiptap-content .ProseMirror img.editor-image{max-width:100%;height:auto;border-radius:8px;margin:1.5rem auto;display:block;box-shadow:0 4px 12px #00000026;transition:transform .2s ease}.tiptap-content .ProseMirror img.editor-image:hover{transform:scale(1.02)}.tiptap-content .ProseMirror a.editor-link{color:#1890ff;text-decoration:none;border-bottom:1px solid #1890ff;transition:all .2s ease}.tiptap-content .ProseMirror a.editor-link:hover{color:#096dd9;border-bottom-color:#096dd9;background:#1890ff1a}.tiptap-content .ProseMirror code{background:#f1f5f9;color:#e53e3e;padding:.2em .4em;border-radius:4px;font-size:.9em;font-family:Fira Code,Monaco,Consolas,monospace}.tiptap-content .ProseMirror pre{background:#2d3748;color:#e2e8f0;padding:1rem;border-radius:8px;overflow-x:auto;margin:1.5rem 0}.tiptap-content .ProseMirror pre code{background:transparent;color:inherit;padding:0}.tiptap-preview{min-height:400px;padding:20px 24px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.preview-content{font-size:16px;line-height:1.7;color:#2d3748;max-width:none}.preview-content h1{font-size:2.5rem;font-weight:700;margin:2rem 0 1rem;color:#1a202c;line-height:1.2}.preview-content h2{font-size:2rem;font-weight:600;margin:1.8rem 0 .8rem;color:#2d3748;line-height:1.3}.preview-content h3{font-size:1.5rem;font-weight:600;margin:1.5rem 0 .6rem;color:#4a5568;line-height:1.4}.preview-content p{margin:1rem 0;line-height:1.7}.preview-content ul,.preview-content ol{padding-left:1.5rem;margin:1rem 0}.preview-content li{margin:.5rem 0;line-height:1.6}.preview-content blockquote{border-left:4px solid #1890ff;padding-left:1.5rem;margin:1.5rem 0;font-style:italic;color:#4a5568;background:#f7fafc;padding:1rem 1.5rem;border-radius:0 8px 8px 0}.preview-content img{max-width:100%;height:auto;border-radius:8px;margin:1.5rem auto;display:block;box-shadow:0 4px 12px #00000026}.preview-content a{color:#1890ff;text-decoration:none;border-bottom:1px solid #1890ff;transition:all .2s ease}.preview-content a:hover{color:#096dd9;border-bottom-color:#096dd9;background:#1890ff1a}.editor-footer{padding:8px 16px;border-top:1px solid #f0f0f0;background:#fafbfc;border-radius:0 0 12px 12px;display:flex;justify-content:flex-end}.word-count{font-size:12px;color:#718096;font-weight:500}@media (max-width: 768px){.tiptap-toolbar{padding:8px 12px;gap:2px}.toolbar-btn{padding:4px 6px;font-size:12px}.toolbar-separator{margin:0 4px}.tiptap-content{padding:16px 20px}.tiptap-content .ProseMirror h1{font-size:2rem}.tiptap-content .ProseMirror h2{font-size:1.5rem}.tiptap-content .ProseMirror h3{font-size:1.25rem}}.toolbar-btn:focus{outline:2px solid #1890ff;outline-offset:2px}.tiptap-content .ProseMirror:focus{outline:none}.tiptap-content .ProseMirror ::selection{background:#1890ff33}.tiptap-content .ProseMirror .ProseMirror-selectednode{outline:2px solid #1890ff;outline-offset:2px}.write-blog-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.write-blog-header h2{font-size:24px;font-weight:600;margin-bottom:0;color:#1890ff}.header-actions{display:flex;align-items:center;gap:16px}.draft-indicator{display:flex;align-items:center;gap:12px;padding:8px 16px;background:#fff3cd;border:1px solid #ffeaa7;border-radius:8px}.draft-badge{font-size:13px;font-weight:500;color:#856404}.write-blog-card{box-shadow:0 2px 4px #0000001a;border-radius:8px;border:none;overflow:hidden}.write-blog-card .ant-card-body{padding:32px}.write-blog .ant-form-item{margin-bottom:24px}.write-blog .ant-form-item-label>label{font-size:16px;font-weight:600;margin-bottom:8px}.write-blog .ant-input,.write-blog .ant-select-selector{border-radius:8px;padding:12px 16px;font-size:15px}.write-blog .ant-input-affix-wrapper{border-radius:8px;padding:8px 16px}.theme-upload-container{display:flex;flex-direction:column;gap:16px}.theme-preview{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:16px;background:#f8fafc;border-radius:12px;border:2px dashed #e2e8f0;margin-top:10px}.theme-preview .ant-image{border-radius:8px;overflow:hidden;display:block}.content-stats{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f8fafc;border-radius:8px;margin-bottom:16px;font-size:14px;font-weight:500}.content-stats .warning{color:#d69e2e}.content-stats .success{color:#38a169}.write-blog .ant-btn{height:44px;padding:0 24px;font-size:15px;font-weight:500;border-radius:8px}.button-group{display:flex;justify-content:flex-end;gap:12px;margin-top:32px;padding-top:24px;border-top:1px solid #e2e8f0}.write-blog .ant-form-item-explain-error{font-size:13px;margin-top:4px}.write-blog .ant-select-dropdown{border-radius:8px;border:1px solid #e2e8f0}.write-blog .ant-select-item{padding:12px 16px;font-size:14px}@media (max-width: 1200px){.write-blog{margin-left:0;padding:16px}.write-blog-card .ant-card-body{padding:24px}}@media (max-width: 768px){.write-blog{padding:12px}.write-blog-header{flex-direction:column;align-items:flex-start;gap:12px}.write-blog-header h2{font-size:24px}.header-actions{width:100%;justify-content:space-between;flex-wrap:wrap}.draft-indicator{flex:1;min-width:200px}.write-blog-card .ant-card-body{padding:20px}.button-group{flex-direction:column;gap:8px}.button-group .ant-btn{width:100%;margin-bottom:8px}.content-stats{flex-direction:column;align-items:flex-start;gap:8px}.theme-preview{padding:12px}.theme-preview .ant-image{width:100%}}@media (max-width: 480px){.write-blog{padding:8px}.write-blog-card .ant-card-body{padding:16px}.write-blog-header{gap:8px}.header-actions{flex-direction:column;align-items:stretch;gap:8px}.draft-indicator{flex:none;width:100%}}.cart-page h2{font-size:24px;font-weight:600;margin-bottom:20px;color:#1890ff}.cart-header-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.cart-header-actions h2{margin:0}.cart-content{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:flex-start;max-width:1200px;margin:0 auto}.cart-items{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;width:100%}.cart-summary{position:sticky;top:24px;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;width:100%}.cart-list .ant-list-item{padding:20px;border-bottom:1px solid #f0f0f0;align-items:center;transition:all .2s ease;flex-wrap:wrap;background:#fff;border-radius:8px;margin-bottom:12px;box-shadow:0 2px 4px #0000000f}.cart-list .ant-list-item:last-child{margin-bottom:0}.cart-list .ant-list-item:hover{background-color:#fafafa;box-shadow:0 4px 12px #0000001a}.item-title{margin-bottom:8px}.item-title .ant-typography{margin:0}.item-description{max-width:400px;align-items:start}.item-meta{width:100%}.item-price{margin-left:20px;text-align:right;min-width:120px}.summary-content{padding:8px 0}.summary-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.total-row{margin-bottom:16px;padding:12px;background:#f6ffed;border-radius:6px;border:1px solid #b7eb8f}.summary-actions{margin-top:16px}.summary-actions .ant-btn{height:48px;font-size:16px;font-weight:600}.summary-actions .ant-btn-primary{background:#52c41a;border-color:#52c41a}.summary-actions .ant-btn-primary:hover{background:#73d13d;border-color:#73d13d}.empty-cart,.cart-loading{min-height:400px;display:flex;align-items:center;justify-content:center;text-align:center;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;width:100%}.empty-cart .ant-empty-description .ant-typography{margin:8px 0}.cart-list .ant-list-item-action{margin-left:16px;flex-shrink:0}.cart-list .ant-list-item-action>li{padding:0 8px}.cart-list .ant-list-item-action .ant-btn{height:36px;font-size:14px}@media (max-width: 1200px){.cart-content{grid-template-columns:1fr 250px;gap:16px}}@media (max-width: 768px){.cart-page{margin-left:auto;padding:16px}.cart-header-actions{flex-direction:column;gap:16px;text-align:center}.header-actions{width:100%;justify-content:center}.cart-content{grid-template-columns:1fr;gap:16px}.cart-summary{order:-1;position:static}.cart-list .ant-list-item{padding:16px;flex-direction:column;align-items:stretch}.cart-list .ant-list-item-meta{margin-bottom:12px}.cart-list .ant-list-item-action{margin-left:0;margin-top:12px;display:flex;justify-content:center;width:100%}.item-price{margin-left:0;text-align:left;margin-bottom:12px}}@media (max-width: 576px){.cart-page{padding:12px}.header-actions{flex-direction:column;gap:8px}.header-actions .ant-btn{width:100%}.cart-list .ant-list-item-action{flex-direction:column;gap:8px}.cart-list .ant-list-item-action .ant-btn{width:100%}.summary-actions .ant-btn{height:44px;font-size:15px}}.order-card{border-radius:8px;box-shadow:0 2px 8px #0000001a;transition:all .2s ease;cursor:pointer;border:1px solid #e8e8e8}.order-card:hover{box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}.order-card-small{font-size:12px}.order-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #f0f0f0}.order-info h4{color:#1890ff;margin-bottom:4px}.order-status{flex-shrink:0}.order-content{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.course-info{display:flex;gap:12px;flex:1;min-width:0}.course-details{flex:1;min-width:0}.course-details h5{margin-bottom:4px;line-height:1.3}.payment-info{display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0;margin-left:12px;text-align:right}.payment-method{display:flex;align-items:center;gap:4px}.transaction-code,.total-amount{margin-top:2px}.order-actions{border-top:1px solid #f0f0f0;padding-top:12px;display:flex;justify-content:flex-end}.order-actions .ant-btn{border:none;padding:4px 8px;height:auto;font-size:12px}.order-actions .ant-btn:hover{transform:translateY(-1px)}.order-card .ant-tag{font-weight:600;font-size:11px;padding:2px 8px;border-radius:4px}.order-card[data-status=PENDING]{border-left:4px solid #faad14}.order-card[data-status=COMPLETED]{border-left:4px solid #52c41a}.order-card[data-status=CANCELLED],.order-card[data-status=FAILED]{border-left:4px solid #ff4d4f;opacity:.8}.order-actions .ant-btn-text:hover{background:#f0f0f0}.order-actions .ant-btn-primary:hover{background:#40a9ff}.order-actions .ant-btn-dangerous:hover{color:#ff7875;background:#fff2f0}.order-card-small .order-header{margin-bottom:12px;padding-bottom:8px}.order-card-small .order-content{margin-bottom:12px}.order-card-small .course-info{gap:8px}.order-card-small .payment-info{margin-left:8px}.order-card-small .order-actions{padding-top:8px}.order-card-small .ant-tag{font-size:10px;padding:1px 6px}@media (max-width: 768px){.order-card{margin-bottom:12px}.order-header{flex-direction:column;gap:8px;align-items:flex-start}.order-status{align-self:flex-end}.order-content{flex-direction:column;gap:12px}.payment-info{align-items:flex-start;margin-left:0;text-align:left}.course-info{align-items:flex-start}.order-actions{justify-content:center}.order-actions .ant-space{width:100%;justify-content:center}}@media (max-width: 576px){.course-info{gap:8px}.course-info .ant-image{width:40px!important;height:40px!important}.course-details h5{font-size:14px}.order-actions .ant-btn{font-size:11px;padding:2px 6px}.payment-info .ant-typography{font-size:10px}}.orders-header-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.orders-header-actions h1{font-size:24px;font-weight:600;margin:0;color:#1890ff}.header-actions{display:flex;gap:12px;align-items:center}.order-statistics{margin-bottom:24px;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.order-statistics .ant-statistic{text-align:center}.order-controls{margin-bottom:24px;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.orders-controls-flex{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.controls-left{display:flex;gap:16px;align-items:center;flex-wrap:wrap;flex:1;min-width:300px}.controls-right{display:flex;gap:8px;align-items:center}.order-controls .ant-input,.order-controls .ant-select{border-radius:6px}.order-controls .ant-btn{height:32px;border-radius:6px}.auto-refresh-indicator{display:flex;align-items:center;gap:4px;color:#52c41a;font-size:12px}.auto-refresh-indicator-dot{width:8px;height:8px;border-radius:50%;background-color:#52c41a;animation:pulse 2s infinite}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}to{opacity:1;transform:scale(1)}}.orders-content{box-shadow:0 2px 4px #0000001a;border-radius:8px}.order-tabs .ant-tabs-tab{font-weight:500;padding:12px 16px;border-radius:6px 6px 0 0;transition:all .2s ease}.order-tabs .ant-tabs-tab:hover{color:#40a9ff}.order-tabs .ant-tabs-tab-active{background:#e6f7ff;color:#1890ff;font-weight:600}.order-list{min-height:300px;padding:16px 0}.order-list .ant-row{margin-left:-8px;margin-right:-8px}.order-list .ant-col{padding-left:8px;padding-right:8px;margin-bottom:16px}.empty-orders,.loading-container{min-height:400px;display:flex;align-items:center;justify-content:center;text-align:center;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.loading-content{display:flex;flex-direction:column;align-items:center;gap:16px}.loading-spinner{width:40px;height:40px;border:3px solid #f3f3f3;border-top:3px solid #1890ff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.orders-page{padding:16px}.orders-header-actions{flex-direction:column;gap:16px;text-align:center}.header-actions{width:100%;justify-content:center}.orders-controls-flex{flex-direction:column;align-items:stretch;gap:12px}.controls-left,.controls-right{width:100%;justify-content:center;flex:none;gap:12px}.order-controls .ant-input,.order-controls .ant-select{width:100%}.order-list .ant-col{padding-left:8px;padding-right:8px;margin-bottom:12px}}@media (max-width: 576px){.orders-page{padding:12px}.header-actions{flex-direction:column;gap:8px}.header-actions .ant-btn{width:100%}.order-list .ant-col{padding:0 4px}}.order-status-page{min-height:calc(100vh - 64px);background:#f5f7fa;padding:24px;display:flex;align-items:center;justify-content:center}.status-card{width:100%;max-width:600px;box-shadow:0 4px 12px #0000001a;border-radius:12px;text-align:center}.loading-container{padding:40px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center}.status-card .ant-result{padding:40px 20px 20px}.status-card .ant-result-title{color:#262626;font-weight:600;margin-bottom:8px}.status-card .ant-result-subtitle{color:#595959;font-size:14px;line-height:1.6}.status-card .ant-result-success .ant-result-icon,.status-card .ant-result-success .ant-result-title{color:#52c41a}.status-card .ant-result-error .ant-result-icon,.status-card .ant-result-error .ant-result-title{color:#ff4d4f}.status-card .ant-result-extra{margin-top:24px}.status-card .ant-result-extra .ant-btn{margin:4px 8px;height:40px;padding:0 20px;font-weight:500;border-radius:6px}.status-card .ant-result-extra .ant-btn-primary{background:#1890ff;border-color:#1890ff}.status-card .ant-result-extra .ant-btn-primary:hover{background:#40a9ff;border-color:#40a9ff}.status-card .ant-card{border:1px solid #f0f0f0;border-radius:8px}.status-card .ant-card-head{background:#fafafa;border-bottom:1px solid #f0f0f0}.status-card .ant-card-head-title{color:#262626;font-weight:600;font-size:16px}.status-card .ant-descriptions-item-label{color:#8c8c8c;font-weight:500;width:140px}.status-card .ant-descriptions-item-content{color:#262626}.status-card .ant-typography code{background:#f6f8fa;border:1px solid #e8e8e8;border-radius:4px;padding:2px 6px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:12px}@media (max-width: 768px){.order-status-page{padding:16px}.status-card{max-width:100%}.status-card .ant-result{padding:24px 16px 16px}.status-card .ant-result-title{font-size:20px}.status-card .ant-result-subtitle{font-size:13px}.status-card .ant-result-extra .ant-btn{margin:4px;padding:0 16px;height:36px;font-size:14px}.status-card .ant-descriptions-item-label{width:120px;font-size:13px}.status-card .ant-descriptions-item-content{font-size:13px}}@media (max-width: 576px){.order-status-page{padding:12px}.status-card .ant-result-extra{margin-top:16px}.status-card .ant-result-extra .ant-btn{width:100%;margin:4px 0}.status-card .ant-descriptions-item-label{width:100px;font-size:12px}.status-card .ant-descriptions-item-content{font-size:12px}}@keyframes successPulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.status-card .ant-result-success .ant-result-icon{animation:successPulse 2s ease-in-out}.protected-route{display:flex;margin-left:270px;width:100%}.add-students-modal{margin-top:8px}.student-list-tab{background:#fff;padding:16px;border-radius:8px}.student-list-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px;flex-wrap:wrap}.schedule-tab-card{border-radius:12px}.schedule-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid #f0f0f0}.schedule-stats{display:flex;gap:8px;flex-wrap:wrap}.schedule-cell{max-height:80px;overflow-y:auto}.schedule-item{display:flex;align-items:center;gap:4px;padding:2px 6px;margin-bottom:2px;border-radius:4px;cursor:pointer;font-size:11px;background:#f6ffed;border:1px solid #b7eb8f;transition:all .2s}.schedule-item:hover{background:#d9f7be;transform:translate(2px)}.schedule-item.cancelled{background:#fff2f0;border-color:#ffccc7;text-decoration:line-through;opacity:.7}.schedule-item.cancelled:hover{background:#ffccc7}.schedule-time{font-weight:600;color:#1890ff;white-space:nowrap}.schedule-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:80px;color:#333}.more-tag{font-size:10px;margin-top:2px}.schedule-tab-card .ant-picker-calendar{background:transparent}.schedule-tab-card .ant-picker-calendar-date-content{height:85px!important;overflow-y:auto}.schedule-tab-card .ant-picker-calendar-date{border-top:2px solid transparent;transition:border-color .2s}.schedule-tab-card .ant-picker-calendar-date:hover{border-top-color:#1890ff}.schedule-tab-card .ant-picker-calendar-date-today{border-top-color:#1890ff!important}@media (max-width: 768px){.schedule-header{flex-direction:column;align-items:stretch}.schedule-stats{justify-content:center}.schedule-item{font-size:10px}.schedule-title{max-width:50px}.schedule-tab-card .ant-picker-calendar-date-content{height:60px!important}}.notification-tab{background:#fff;padding:16px;border-radius:8px;overflow-x:hidden}.notification-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}.desc-cell{display:inline-flex;align-items:center;gap:6px;max-width:100%}.pinned-star{color:#faad14;font-size:14px}.desc-link{max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.file-chip{display:inline-flex;align-items:center;gap:8px;padding:4px 8px;background:#fafafa;border:1px solid #f0f0f0;border-radius:999px}.file-open{display:inline-flex;align-items:center;gap:6px}.file-download{color:#00000073}.file-download:hover{color:#000000e0}@media (max-width: 992px){.notification-tab{padding:12px}}.attendance-tab-card{border-radius:12px}.attendance-header{margin-bottom:16px}.attendance-header h3{margin:0;font-size:18px;font-weight:600;color:#1f1f1f}.schedule-title{font-weight:500;color:#1890ff}.time-range{font-size:12px;color:#888}.stat-tag{min-width:32px;text-align:center;font-weight:600}.attendance-modal .modal-actions{display:flex;justify-content:flex-end;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid #f0f0f0}.attendance-modal .student-name{font-weight:500}.attendance-modal .status-btn.ant-radio-button-wrapper-checked.present{background-color:#52c41a!important;border-color:#52c41a!important}.attendance-modal .status-btn.ant-radio-button-wrapper-checked.absent{background-color:#ff4d4f!important;border-color:#ff4d4f!important}.attendance-modal .status-btn.ant-radio-button-wrapper-checked.late{background-color:#faad14!important;border-color:#faad14!important}.attendance-modal .ant-radio-button-wrapper:hover{color:#1890ff}.attendance-modal .ant-table-tbody>tr:hover>td{background-color:#fafafa}.attendance-tab-card .ant-empty{padding:40px 0}@media (max-width: 768px){.attendance-modal{max-width:100%!important}.attendance-modal .ant-radio-button-wrapper{padding:0 8px;font-size:12px}}.lesson-management-container{display:flex;gap:20px;align-items:flex-start}.lesson-form-card{flex:1;min-width:0}.lesson-form-card .ant-card-head-title{font-size:16px;font-weight:600}.video-preview-wrapper{margin-bottom:16px;border-radius:8px;overflow:hidden;background:#000}.video-preview{width:100%;max-height:300px;display:block}.video-url-row{display:flex;gap:8px;align-items:flex-start}.video-url-row .ant-form-item{flex:1;margin-bottom:0}.form-inline-row{display:flex;gap:16px}.form-inline-row .ant-form-item{flex:1}.document-list{margin-top:8px}.document-item{display:flex;justify-content:space-between;align-items:center;background:#fafafa;border:1px solid #f0f0f0;padding:8px 12px;margin-bottom:6px;border-radius:6px}.document-item:hover{background:#f5f5f5}.document-url{max-width:70%;word-break:break-all;font-size:13px;color:#1890ff}.empty-docs{color:#999;font-style:italic;padding:8px 0}.lesson-list-card{width:380px;min-width:380px}.lesson-list-card .ant-card-head-title{font-size:15px;font-weight:600}.lesson-item{cursor:pointer;background:#fff;border:1px solid #f0f0f0;margin-bottom:10px;border-radius:8px;padding:14px;transition:all .2s ease}.lesson-item:hover{border-color:#d9d9d9;box-shadow:0 2px 8px #0000000f}.lesson-item.selected{background:#e6f7ff;border-color:#1890ff}.lesson-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.lesson-title{flex:1;font-size:14px;font-weight:600;color:#333;line-height:1.4}.lesson-number{color:#1890ff;margin-right:4px}.lesson-move-btns{display:flex;gap:4px;flex-shrink:0}.lesson-move-btns .ant-btn{width:28px;height:28px;padding:0;display:flex;align-items:center;justify-content:center;font-size:12px}.lesson-meta{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}.lesson-tag{font-size:11px;padding:2px 8px;border-radius:4px;display:inline-flex;align-items:center;gap:3px}.lesson-tag.duration{color:#1890ff;background:#e6f7ff}.lesson-tag.preview{color:#52c41a;background:#f6ffed}.lesson-tag.video{color:#722ed1;background:#f9f0ff}.lesson-tag.docs{color:#fa8c16;background:#fff7e6}.lesson-status-row{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid #f5f5f5;flex-wrap:wrap}.status-label{font-size:12px}.status-label.active{color:#52c41a}.status-label.inactive{color:#999}.status-label.deleted{color:#ff4d4f;margin-left:8px}.lesson-delete-btn{margin-left:auto}.add-lesson-btn{margin-top:12px}@media (max-width: 1200px){.lesson-list-card{width:340px;min-width:340px}}@media (max-width: 992px){.lesson-management-container{flex-direction:column}.lesson-list-card{width:100%;min-width:auto;order:-1}.lesson-form-card{width:100%}}@media (max-width: 576px){.lesson-management-container{gap:12px}.lesson-item{padding:12px}.lesson-header{flex-wrap:wrap}.lesson-move-btns{margin-top:8px}.form-inline-row{flex-direction:column;gap:0}}
