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.account-menu-box .MuiPopover-paper,.light .custom-menu-popover .MuiPopover-paper{border:1px solid var(--input-border-color);box-shadow:0 8px 24px #0000001f!important;border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.light .account-menu-box ul li,.light .custom-menu-popover ul li{position:relative;overflow:hidden}.light .account-menu-box ul li:hover,.light .custom-menu-popover ul li:hover{background-color:color-mix(in srgb,var(--portal-theme-color) 8%,transparent)!important;border-radius:8px}.light .account-menu-box ul li:before,.light .custom-menu-popover ul li:before{content:"";position:absolute;left:-100%;top:0;bottom:0;width:100%;background:linear-gradient(90deg,transparent 0%,color-mix(in srgb,var(--portal-theme-color) 10%,transparent) 50%,transparent 100%);transition:left .3s ease;pointer-events:none}.light .account-menu-box ul li:hover:before,.light .custom-menu-popover ul li:hover:before{left:100%}.light .MuiTooltip-tooltip{background:linear-gradient(135deg,var(--portal-theme-color) 0%,color-mix(in srgb,var(--portal-theme-color) 85%,black) 100%);box-shadow:0 4px 12px color-mix(in srgb,var(--portal-theme-color) 30%,transparent);font-size:13px;padding:8px 12px;border-radius:8px}.light .badge-success{background:linear-gradient(135deg,#4caf50,#45a049);color:#fff;padding:4px 12px;border-radius:16px;font-size:12px;font-weight:600;box-shadow:0 2px 6px #4caf504d}.light .badge-warning{background:linear-gradient(135deg,#ff9800,#f57c00);color:#fff;padding:4px 12px;border-radius:16px;font-size:12px;font-weight:600;box-shadow:0 2px 6px #ff98004d}.light .badge-error{background:linear-gradient(135deg,#f44336,#d32f2f);color:#fff;padding:4px 12px;border-radius:16px;font-size:12px;font-weight:600;box-shadow:0 2px 6px #f443364d}.light .badge-info{background:linear-gradient(135deg,#2196f3,#1976d2);color:#fff;padding:4px 12px;border-radius:16px;font-size:12px;font-weight:600;box-shadow:0 2px 6px #2196f34d}.light .mui-component-popup .MuiPaper-elevation{border:1px solid var(--input-border-color);box-shadow:0 12px 40px #00000026!important;border-radius:16px}.light .circular-progress circle{stroke:var(--portal-theme-color)!important}.light .circular-progress svg{filter:drop-shadow(0 2px 4px var(--portal-theme-light))}.light .MuiLinearProgress-root{height:8px;border-radius:4px;background-color:var(--portal-theme-light)}.light .MuiLinearProgress-bar{background:var(--portal-theme-color);border-radius:4px;box-shadow:0 2px 4px var(--portal-theme-light)}.light .MuiSkeleton-root{background:linear-gradient(90deg,var(--portal-theme-light) 25%,#f0f2f5 50%,var(--portal-theme-light) 75%);background-size:200% 100%;animation:skeleton-loading-light 1.5s ease-in-out infinite}@keyframes skeleton-loading-light{0%{background-position:200% 0}to{background-position:-200% 0}}.light ::-webkit-scrollbar{width:10px;height:10px}.light ::-webkit-scrollbar-track{background:var(--portal-theme-light);border-radius:10px}.light ::-webkit-scrollbar-thumb{background:linear-gradient(180deg,color-mix(in srgb,var(--portal-theme-color) 30%,transparent),color-mix(in srgb,var(--portal-theme-color) 50%,transparent));border-radius:10px;border:2px solid var(--portal-theme-light)}.light ::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,color-mix(in srgb,var(--portal-theme-color) 50%,transparent),color-mix(in srgb,var(--portal-theme-color) 70%,transparent))}.light .account-popover-avatar-img{border:3px solid color-mix(in srgb,var(--portal-theme-color) 20%,transparent);box-shadow:0 2px 8px #0000001a;transition:all .3s ease}.light .account-popover-avatar-img:hover{box-shadow:0 4px 16px color-mix(in srgb,var(--portal-theme-color) 30%,transparent);transform:scale(1.05)}.light .MuiAvatar-root{border:2px solid color-mix(in srgb,var(--portal-theme-color) 10%,transparent);box-shadow:0 2px 8px #00000014}.light img{border-radius:8px;transition:all .3s ease}.light img:not(.lesson-reader-page-img):hover{box-shadow:0 8px 24px #0000001f;transform:scale(1.02)}.light .MuiChip-root{background:linear-gradient(135deg,var(--portal-theme-primary) 0%,var(--portal-theme-light) 100%);border:1px solid rgba(0,0,0,.08);font-weight:500;transition:all .3s ease}.light .MuiChip-root:hover{transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.light .MuiChip-root.MuiChip-colorPrimary{background:linear-gradient(135deg,var(--portal-theme-color) 0%,color-mix(in srgb,var(--portal-theme-color) 85%,black) 100%);box-shadow:0 2px 6px color-mix(in srgb,var(--portal-theme-color) 30%,transparent)}.light .MuiChip-root.MuiChip-colorSuccess{background:linear-gradient(135deg,#4caf50,#45a049)!important;color:#fff!important}.light .MuiChip-root.MuiChip-colorError{background:linear-gradient(135deg,#f44336,#d32f2f)!important;color:#fff!important}.light .MuiAlert-root{border-radius:12px;border-left:4px solid;box-shadow:0 4px 12px #00000014}.light .MuiAlert-standardSuccess{background:linear-gradient(135deg,#f1f8f4,#e8f5e9);border-left-color:#4caf50}.light .MuiAlert-standardError{background:linear-gradient(135deg,#fef3f2,#ffebee);border-left-color:#f44336}.light .MuiAlert-standardWarning{background:linear-gradient(135deg,#fff8e1,#fff3e0);border-left-color:#ff9800}.light .MuiAlert-standardInfo{background:linear-gradient(135deg,#e3f2fd,#e1f5fe);border-left-color:#2196f3}.light .MuiPaginationItem-root{border:1px solid rgba(0,0,0,.08);transition:all .2s ease}.light .MuiPaginationItem-root:hover{background-color:color-mix(in srgb,var(--portal-theme-color) 8%,transparent);border-color:var(--portal-theme-color);transform:scale(1.05)}.light .MuiPaginationItem-root.Mui-selected{background:linear-gradient(135deg,var(--portal-theme-color) 0%,color-mix(in srgb,var(--portal-theme-color) 85%,black) 100%);box-shadow:0 2px 6px color-mix(in srgb,var(--portal-theme-color) 30%,transparent)}.light .MuiAccordion-root{border:1px solid rgba(0,0,0,.08);border-radius:12px!important;margin-bottom:12px;box-shadow:0 2px 6px #0000000f}.light .MuiAccordion-root:hover{box-shadow:0 4px 12px #0000001a}.light .MuiAccordionSummary-root{background:linear-gradient(135deg,#fafbfc,#fff);border-radius:12px 12px 0 0!important}.light .MuiStepIcon-root.MuiStepIcon-active{color:var(--portal-theme-color);filter:drop-shadow(0 2px 4px color-mix(in srgb,var(--portal-theme-color) 30%,transparent))}.light .MuiStepIcon-root.MuiStepIcon-completed{color:#4caf50;filter:drop-shadow(0 2px 4px rgba(76,175,80,.3))}.light .MuiSnackbar-root .MuiPaper-root{border-radius:12px;box-shadow:0 8px 24px #00000026;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.light .MuiDivider-root,.light .sidebar-divider.MuiDivider-root{background:#00000029!important;border:none!important;height:1px}.light .MuiBreadcrumbs-li a{transition:all .2s ease}.light .MuiBreadcrumbs-li a:hover{transform:translate(2px);color:var(--portal-theme-color)}.light a:not(.MuiButton-root){color:var(--portal-theme-color);text-decoration:none;position:relative;transition:color .3s ease}.light a:not(.MuiButton-root):hover{color:color-mix(in srgb,var(--portal-theme-color) 80%,black)}.light .make-link span{position:relative;display:inline-block}.light .make-link span:after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--portal-theme-color);transition:width .3s ease}.light .make-link span:hover:after{width:100%}.light code,.light pre{background:linear-gradient(135deg,var(--portal-theme-primary) 0%,var(--portal-theme-light) 100%);border:1px solid rgba(0,0,0,.08);border-radius:6px;padding:2px 6px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:13px}.light .elevation-1{box-shadow:0 1px 3px #0000000f,0 1px 2px #0000000a}.light .elevation-2{box-shadow:0 3px 6px #00000014,0 2px 4px #0000000f}.light .elevation-3{box-shadow:0 10px 20px #0000001a,0 3px 6px #00000014}.light .elevation-4{box-shadow:0 15px 25px #0000001f,0 5px 10px #0000001a}.light .portal-theme-gradient{background:linear-gradient(135deg,var(--portal-theme-color) 0%,color-mix(in srgb,var(--portal-theme-color) 85%,black) 50%,color-mix(in srgb,var(--portal-theme-color) 70%,black) 100%)}.light .success-animation{animation:success-scale-light .5s ease}@keyframes success-scale-light{0%{transform:scale(0);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}.light .error-shake{animation:error-shake-light .5s ease}@keyframes error-shake-light{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.light .page-enter{opacity:0;transform:translateY(20px)}.light .page-enter-active{opacity:1;transform:translateY(0);transition:opacity .3s,transform .3s}