.course-detail-empty-shell,.course-detail-shell{display:block!important;min-height:100vh!important;padding:0 0 64px!important;overflow-x:clip!important;color:#171323!important;background:#f8fafc!important}.course-detail-shell:before{background:linear-gradient(135deg,rgba(124,58,237,.075),transparent 32%,transparent 66%,rgba(236,72,153,.045)),linear-gradient(180deg,#fbfcff,#f8fafc 48%,#f7f5ff)!important;background-size:100% 100%!important;-webkit-mask-image:none!important;mask-image:none!important}.course-detail-hero{display:grid!important;width:min(1560px,calc(100vw - 64px))!important;margin:24px auto 0!important;gap:12px!important;place-items:center!important;text-align:center!important}.course-detail-hero .course-tags,.course-detail-meta,.course-detail-titleline{width:min(1560px,calc(100vw - 64px))!important;max-width:none!important}.course-detail-titleline h1{max-width:min(1560px,calc(100vw - 64px))!important;margin:0 auto!important;color:#171323!important;font-size:clamp(24px,2.1vw,38px)!important;font-weight:720!important;line-height:1.18!important;letter-spacing:-.018em!important;text-wrap:balance!important}.course-detail-hero .course-tags,.course-detail-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.course-detail-hero .course-tags span,.course-detail-meta span{display:inline-flex;min-height:34px;align-items:center;border:1px solid rgba(53,39,84,.08);border-radius:999px;background:hsla(0,0%,100%,.78);color:#54476f;padding:0 12px;font-size:13px;font-weight:760;box-shadow:0 8px 24px rgba(63,46,104,.06)}.course-detail-divider{width:min(1560px,calc(100vw - 64px));height:1px;margin:22px auto 26px;background:linear-gradient(90deg,transparent,rgba(59,43,96,.16),transparent)}.course-detail-layout{display:grid!important;width:min(1560px,calc(100vw - 64px))!important;margin:0 auto!important;grid-template-columns:minmax(190px,240px) minmax(620px,1fr) minmax(250px,320px)!important;align-items:start!important;gap:24px!important}.course-article,.course-comments,.course-empty-panel{border:0;background:hsla(0,0%,100%,.82);color:#171323;box-shadow:0 6px 18px rgba(75,56,117,.07);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.course-outline,.course-side-card{position:sticky;top:86px;border:0;border-radius:0;background:transparent;padding:8px 4px;box-shadow:none;backdrop-filter:none}.course-outline{max-height:calc(100vh - 110px);overflow:auto;overscroll-behavior:contain}.course-outline strong,.course-side-card strong{display:block;margin-bottom:12px;color:#171323;font-size:15px}.course-latest-list,.course-outline-list{display:grid;gap:8px}.course-toc-link{width:100%;border:0;border-radius:8px;background:transparent;color:#6c627b;padding:9px 10px;text-align:left;line-height:1.35;font-size:13px;cursor:pointer;transition:color .16s ease,background .16s ease}.course-toc-link.level-3{padding-left:22px;font-size:12px}.course-toc-link:hover{color:#4c1d95;background:hsla(0,0%,100%,.52)}.course-toc-link.active{background:rgba(124,58,237,.1);color:#6d28d9;font-weight:800;box-shadow:none}.course-article{min-width:0;border-radius:12px;padding:32px 36px 48px}.course-detail-main-column{display:grid;min-width:0;gap:32px}.course-comments-anchor{min-width:0;scroll-margin-top:94px}.course-detail-block{margin:0;padding:0;border:0;background:transparent;scroll-margin-top:94px}.course-detail-block+.course-detail-block{margin-top:40px;padding-top:32px;border-top:1px solid rgba(65,45,115,.08)}.course-message{border-radius:16px;background:rgba(246,241,255,.82);color:#5b35b1;padding:10px 12px;font-weight:800}.course-engagement-bar{position:relative;display:grid;grid-template-columns:minmax(44px,1fr) auto minmax(44px,1fr);align-items:center;gap:20px;min-height:64px;border:0;border-radius:0;background:transparent;padding:4px 0;box-shadow:none;backdrop-filter:none}.course-engagement-actions,.course-share-action{display:flex;align-items:center;gap:16px}.course-engagement-actions{grid-column:2;justify-content:center}.course-share-action{grid-column:3;justify-content:flex-end}.course-share-action>span{color:#6d4bd3;font-size:12px;font-weight:750}.course-engagement-button{position:relative;min-height:48px!important;align-items:center;justify-content:center;gap:7px;border:0!important;border-radius:999px!important;background:#f1eafe!important;color:#6d28d9!important;padding:0 18px!important;font-size:14px!important;font-weight:800!important;transition:color .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}.course-engagement-button:hover:not(:disabled){background:#e7dcfc!important;color:#5b21b6!important;transform:translateY(-1px)}.course-engagement-button:focus-visible{outline:2px solid rgba(124,58,237,.48);outline-offset:2px}.course-engagement-button:disabled{cursor:wait;opacity:.65}.course-engagement-button b{min-width:1ch;font-size:12px}.course-engagement-button.complete.active{background:#6d28d9!important;color:#fff!important;box-shadow:0 10px 28px rgba(109,40,217,.32)!important}.course-engagement-button.complete.active:hover:not(:disabled){background:#5b21b6!important;color:#fff!important}.course-engagement-button.like.active{background:#7c3aed!important;color:#fff!important;box-shadow:0 10px 28px rgba(124,58,237,.3)!important}.course-engagement-button.like.active:hover:not(:disabled){background:#6d28d9!important;color:#fff!important}.course-engagement-button.favorite.active{background:#f59e0b!important;color:#fff!important;box-shadow:0 10px 26px rgba(245,158,11,.25)!important}.course-engagement-button.favorite.active:hover:not(:disabled){background:#d97706!important;color:#fff!important}.course-engagement-button.share{min-width:48px;background:transparent!important;color:#71687d!important;padding:0 14px!important}.course-engagement-button.share:hover:not(:disabled){background:#f3f0f7!important;color:#4c4357!important}.course-engagement-button.bounce svg{animation:course-engagement-bounce .38s cubic-bezier(.2,.9,.3,1.35)}.course-complete-confetti{position:absolute;inset:50% auto auto 50%;width:10px;height:10px;pointer-events:none}.course-complete-confetti i{position:absolute;width:5px;height:8px;border-radius:2px;background:#fbbf24;animation:course-confetti-pop .76s ease-out forwards}.course-complete-confetti i:nth-child(2n){background:#f472b6}.course-complete-confetti i:nth-child(3n){background:#67e8f9}.course-complete-confetti i:first-child{--x:-32px;--y:-26px;transform:rotate(15deg)}.course-complete-confetti i:nth-child(2){--x:-14px;--y:-38px;transform:rotate(70deg)}.course-complete-confetti i:nth-child(3){--x:9px;--y:-42px;transform:rotate(120deg)}.course-complete-confetti i:nth-child(4){--x:30px;--y:-27px;transform:rotate(180deg)}.course-complete-confetti i:nth-child(5){--x:38px;--y:2px;transform:rotate(230deg)}.course-complete-confetti i:nth-child(6){--x:20px;--y:22px;transform:rotate(280deg)}.course-complete-confetti i:nth-child(7){--x:-18px;--y:24px;transform:rotate(330deg)}.course-complete-confetti i:nth-child(8){--x:-38px;--y:4px;transform:rotate(30deg)}@keyframes course-engagement-bounce{0%,to{transform:scale(1)}48%{transform:scale(1.34)}}@keyframes course-confetti-pop{0%{opacity:1;translate:0 0;scale:1}to{opacity:0;translate:var(--x) var(--y);scale:.5}}.course-comments{border-radius:22px;padding:32px 34px 36px}.course-comments-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.course-comments-header h2{margin:0;color:#111827;font-size:28px;line-height:1.35;font-weight:850}.course-comment-sort{display:inline-flex;gap:4px;border-radius:8px;background:#f5f3f8;padding:3px}.course-comment-sort button{min-height:32px;border:0;border-radius:6px;background:transparent;color:#746d7d;padding:0 12px;font:inherit;font-size:12px;font-weight:750;cursor:pointer}.course-comment-sort button.active{background:#fff;color:#6d28d9;box-shadow:0 3px 12px rgba(61,42,101,.08)}.course-comment-composer{margin-bottom:22px;border:1px solid #edeaf1;border-radius:18px;background:#f8f7fa;padding:16px}.course-comment-composer-user{display:flex;align-items:center;gap:10px;margin-bottom:12px}.course-comment-composer-user strong{overflow:hidden;color:#27212e;font-size:13px;font-weight:850;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}.course-comment-avatar{display:grid;width:40px;height:40px;flex:0 0 40px;place-items:center;border:1px solid rgba(124,58,237,.12);border-radius:50%;background:linear-gradient(145deg,#eee8ff,#fff);color:#6d28d9;font-size:13px;font-weight:900}.course-comment-editor{min-width:0;overflow:hidden;border:1px solid #ebe7ef;border-radius:12px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease}.course-comment-composer.expanded .course-comment-editor{border-color:rgba(124,58,237,.35);box-shadow:0 8px 26px rgba(124,58,237,.08)}.course-comment-editor textarea{display:block;width:100%;min-height:96px;resize:vertical;border:0;background:#fff;color:#25202d;padding:13px 14px;font:inherit;line-height:1.65;outline:0}.course-comment-editor textarea::-moz-placeholder{color:#a19aa9}.course-comment-editor textarea::placeholder{color:#a19aa9}.course-comment-submit-row{display:grid;max-height:0;grid-template-columns:1fr auto;align-items:center;gap:10px;overflow:hidden;padding:0 10px;opacity:0;transition:max-height .18s ease,padding .18s ease,opacity .18s ease}.course-comment-composer.expanded .course-comment-submit-row{max-height:58px;padding:8px 10px 10px;opacity:1}.course-comment-tools{display:flex;align-items:center;gap:4px}.course-comment-tools button{display:grid;width:34px;height:34px;place-items:center;border:0;border-radius:50%;background:transparent;color:#8a8292;cursor:pointer}.course-comment-tools button:hover:not(:disabled){background:#f2eef9;color:#6d28d9}.course-comment-tools button:disabled{cursor:not-allowed;opacity:.42}.course-comment-tools small{margin-left:6px;color:#9a93a3;font-size:11px}.course-comment-submit-row .wy-motion-button{min-height:40px;border-radius:999px;padding-inline:18px}.course-reply-target{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid rgba(78,58,119,.08);background:#faf8ff;color:#6d28d9;padding:8px 12px;font-size:12px;font-weight:750}.course-reply-target button{display:grid;width:24px;height:24px;place-items:center;border:0;border-radius:50%;background:transparent;color:inherit;cursor:pointer}.course-comment-summary{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid #ece9f0;padding:4px 0 14px}.course-comment-summary p{margin:0;color:#4b5563;font-size:14px;font-weight:750}.course-comment-summary p strong{color:#3b82f6;font-size:16px}.course-comment-list{display:grid;gap:0}.course-comment{display:grid;grid-template-columns:40px minmax(0,1fr);gap:12px;border-bottom:1px solid rgba(75,55,117,.08);padding:20px 0}.course-comment-main{min-width:0}.course-comment-main>header,.course-comment-reply>header{display:flex;align-items:center;gap:8px}.course-comment-main header strong,.course-comment-reply header strong{color:#27212e;font-size:13px}.course-comment-like{position:relative;display:grid;width:38px;height:38px;place-items:center;margin-left:auto;border:0;border-radius:50%;background:transparent;color:#9a93a3;cursor:pointer}.course-comment-like.liked,.course-comment-like:hover{background:#fff1f2;color:#e11d48}.course-comment-like span{position:absolute;right:-3px;bottom:0;min-width:16px;border:2px solid #fff;border-radius:999px;background:#f3f0f5;color:#6b6570;padding:0 3px;font-size:9px;line-height:14px;text-align:center}.course-comment-vip{display:inline-flex;align-items:center;gap:3px;border-radius:999px;background:#fff5cd;color:#8a5b00;padding:3px 6px;font-size:9px;font-weight:900}.course-comment-main>p,.course-comment-reply>p{margin:8px 0 10px;color:#49414f;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.course-comment-time-tail{display:inline;margin-left:6px;color:#a19aa9;font-size:11px;white-space:nowrap}.course-comment-reply.deleted>p,.course-comment.deleted>.course-comment-main>p{color:#9a93a3;font-style:italic}.course-comment-main>footer,.course-comment-reply>footer{display:flex;align-items:center;gap:14px}.course-comment-main footer button,.course-comment-reply footer button,.course-replies-more{display:inline-flex;align-items:center;gap:5px;border:0;background:transparent;color:#81798a;padding:2px 0;font:inherit;font-size:11px;font-weight:720;cursor:pointer}.course-comment-main footer button:hover,.course-comment-reply footer button:hover{color:#6d28d9}.course-comment-main footer button.liked,.course-comment-reply footer button.liked{color:#e11d48}.course-comment-main footer button.delete:hover,.course-comment-reply footer button.delete:hover{color:#dc2626}.course-comment-replies{display:grid;gap:12px;margin-top:14px;border-radius:8px;background:#f7f6f9;padding:14px 16px}.course-comment-reply+.course-comment-reply{border-top:1px solid rgba(75,55,117,.07);padding-top:12px}.course-comment-reply>p{margin:6px 0 7px;font-size:13px}.course-comment-reply>p b{color:#6d28d9;font-weight:760}.course-replies-more{color:#6d28d9}.course-comment-empty,.course-comment-loading,.course-comment-message{margin:12px 0;color:#756c80;font-size:13px;text-align:center}.course-comment-pagination{margin-top:24px}@media (max-width:720px){.course-engagement-bar{display:flex;align-items:stretch;flex-direction:column;padding:16px}.course-engagement-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.course-engagement-button.complete{grid-column:1/-1}.course-share-action{justify-content:space-between}.course-comments{padding:24px 18px}.course-comment-summary{align-items:flex-start;flex-direction:column}.course-comment-sort{align-self:flex-start}}@media (prefers-reduced-motion:reduce){.course-complete-confetti i,.course-engagement-button.bounce svg{animation:none}.course-comment-submit-row{transition:none}}.course-latest-card{display:flex;min-width:0;min-height:360px;flex-direction:column;overflow:hidden;background:transparent}.course-latest-heading{border-bottom:1px solid rgba(61,45,94,.1);padding:2px 2px 14px}.course-latest-heading>strong{margin-bottom:4px}.course-latest-card .course-latest-list button{width:100%;min-width:0;max-width:100%;min-height:48px;overflow:hidden;margin:0;border:0;border-radius:6px;background:transparent;color:#171323;padding:10px;text-align:left;cursor:pointer;transition:color .16s ease,background .16s ease}.course-latest-card .course-latest-list button:hover{transform:none;background:hsla(0,0%,100%,.56);box-shadow:none}.course-latest-card .course-latest-list button strong{display:block;width:100%;min-width:0;overflow:hidden;margin:0;color:#171323;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.course-latest-card button.course-scroll-comments{display:flex;width:100%;min-height:48px;align-items:center;justify-content:center;gap:8px;margin:auto 0 0;border:1px solid rgba(124,58,237,.12);border-radius:999px;background:rgba(124,58,237,.1);color:#6d28d9;padding:0 16px;font:inherit;font-size:13px;font-weight:800;cursor:pointer;transition:background .16s ease,transform .16s ease}.course-latest-card button.course-scroll-comments span{display:inline;margin:0;color:inherit}.course-latest-card button.course-scroll-comments:hover{border-color:rgba(124,58,237,.2);background:rgba(124,58,237,.16);color:#5b21b6;transform:none;box-shadow:none}@media (max-width:1180px){.course-detail-layout{grid-template-columns:minmax(180px,220px) minmax(0,1fr)!important}.course-side-card{display:none}}@media (max-width:820px){.course-detail-layout{width:min(100% - 28px,760px)!important;grid-template-columns:minmax(0,1fr)!important}.course-outline{display:none}.course-article{border-radius:10px;padding:24px 18px 30px}}.course-empty-panel{width:min(900px,calc(100vw - 64px));margin:72px auto 0;border-radius:28px;padding:36px}.course-editor-page{min-height:100vh;overflow-x:clip;padding:0 0 72px;color:#171323;background:radial-gradient(circle at 12% 5%,rgba(217,204,255,.72),transparent 29rem),radial-gradient(circle at 90% 14%,rgba(174,183,255,.3),transparent 32rem),linear-gradient(180deg,#fff,#fbf9ff 54%,#f5f1ff)}body .course-editor-page{padding-top:56px!important}.course-editor-commandbar{position:sticky;top:56px;z-index:90;border-bottom:1px solid rgba(73,52,112,.08);background:rgba(250,248,255,.82);box-shadow:0 8px 26px rgba(69,48,107,.06);backdrop-filter:blur(22px) saturate(1.12);-webkit-backdrop-filter:blur(22px) saturate(1.12);transition:transform .22s cubic-bezier(.2,.8,.2,1),opacity .18s ease,box-shadow .18s ease}.course-editor-commandbar.is-hidden{opacity:0;pointer-events:none;transform:translateY(calc(-100% - 2px));box-shadow:none}.course-editor-commandbar-inner{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:20px;width:min(1328px,calc(100vw - 32px));min-height:56px;margin:0 auto;padding:6px 0}.course-editor-command-context{display:flex;min-width:0;align-items:baseline;gap:10px}.course-editor-command-context>span,.course-editor-outline-drawer>header span,.course-editor-outline-head span{flex:0 0 auto;color:#91879e;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.course-editor-command-context>strong{min-width:0;overflow:hidden;color:#4c4358;font-size:13px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.course-editor-publication-state{display:inline-flex;flex:0 0 auto;min-height:22px;align-items:center;border-radius:999px;padding:0 8px;color:#7a7087;background:rgba(118,104,134,.09);font-size:10px;font-style:normal;font-weight:800}.course-editor-publication-state.published{color:#6d28d9;background:rgba(124,58,237,.1)}.course-editor-save-status{display:inline-flex;min-height:34px;align-items:center;justify-content:center;gap:7px;border-radius:999px;padding:0 13px;color:#526071;background:hsla(0,0%,100%,.78);box-shadow:inset 0 0 0 1px rgba(82,60,130,.08);font-size:12px;font-weight:760;white-space:nowrap}.course-editor-save-status.saved{color:#067647;background:rgba(236,253,245,.92);box-shadow:inset 0 0 0 1px rgba(6,118,71,.1)}.course-editor-save-status.dirty{color:#9a6700;background:rgba(255,251,235,.94);box-shadow:inset 0 0 0 1px rgba(217,119,6,.12)}.course-editor-save-status.error{color:#b42318;background:hsla(5,86%,97%,.96);box-shadow:inset 0 0 0 1px rgba(220,38,38,.12)}.course-editor-status-spinner{animation:course-editor-spin .85s linear infinite}@keyframes course-editor-spin{to{transform:rotate(1turn)}}.course-editor-workbench{display:grid;align-items:start;justify-content:center;gap:24px;width:min(1328px,calc(100vw - 32px));margin:12px auto 0}.course-editor-workbench,.course-editor-workbench.outline-collapsed{grid-template-columns:minmax(0,1fr) minmax(0,840px) minmax(0,1fr)}.course-editor-paper{--course-document-scroll-offset:132px;width:min(840px,100%);min-width:0;border:1px solid rgba(17,24,39,.06);border-radius:12px;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.03);padding:0}.course-editor-layout,.course-editor-main{min-width:0;width:100%}.course-editor-document-head{position:relative;z-index:10;margin:0;border:0;background:transparent;padding:28px 28px 12px}.course-editor-title-input{width:100%;border:0;background:transparent;color:#111827;padding:0;font-family:inherit;font-size:28px;font-weight:700;line-height:1.5;outline:none;scroll-margin-top:132px}.course-editor-title-input::-moz-placeholder{color:#aaa3b3}.course-editor-title-input::placeholder{color:#aaa3b3}.course-editor-primary-actions{display:flex;min-width:0;flex:0 0 auto;align-items:center;justify-content:flex-end;justify-self:end;gap:8px}.course-editor-primary-actions .wy-motion-button{min-height:42px;padding-inline:14px}.course-editor-primary-actions .course-settings-action{color:#62596d}.course-editor-primary-actions .publish-action{min-width:112px}.course-mobile-outline-trigger{display:none!important}.course-editor-outline-panel,.course-editor-outline-rail{position:sticky;top:132px;min-height:0;max-height:calc(100dvh - 148px)}.course-editor-page.navigation-hidden .course-editor-outline-panel,.course-editor-page.navigation-hidden .course-editor-outline-rail{top:16px;max-height:calc(100dvh - 32px)}.course-editor-page.navigation-hidden .course-editor-outline-list{max-height:calc(100dvh - 82px)}.course-editor-page.navigation-hidden .course-editor-paper{--course-document-scroll-offset:24px}.course-editor-page.navigation-hidden .course-editor-title-input{scroll-margin-top:24px}.course-editor-outline-panel{display:flex;width:min(220px,100%);overflow:hidden;flex-direction:column}.course-editor-outline-drawer>header,.course-editor-outline-head{display:flex;flex:0 0 auto;align-items:center;justify-content:space-between;gap:10px;padding:0 2px 13px}.course-editor-outline-drawer>header>div,.course-editor-outline-head>div{min-width:0}.course-editor-outline-drawer>header span,.course-editor-outline-drawer>header strong,.course-editor-outline-head span,.course-editor-outline-head strong{display:block}.course-editor-outline-drawer>header strong,.course-editor-outline-head strong{margin-top:3px;color:#211b2b;font-size:14px;font-weight:800}.course-editor-outline-drawer .wy-motion-button--close,.course-editor-outline-head .wy-motion-button,.course-editor-outline-rail .wy-motion-button{width:34px;min-width:34px;min-height:34px;border-radius:9px;padding:0}.course-editor-outline-list{flex:1;min-height:0;max-height:calc(100dvh - 198px);overflow-y:auto;overscroll-behavior:contain;padding:3px 5px 12px 0;scrollbar-width:thin;scrollbar-color:rgba(113,92,151,.2) transparent}.course-editor-outline-list::-webkit-scrollbar{width:5px}.course-editor-outline-list::-webkit-scrollbar-thumb{border-radius:999px;background:rgba(113,92,151,.2)}.course-editor-outline-link{position:relative;display:block;width:100%;min-height:34px;overflow:hidden;border:0;border-radius:7px;background:transparent;color:#6d6477;padding:7px 10px 7px 14px;text-align:left;text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:1.5;cursor:pointer;transition:color .15s ease,background .15s ease}.course-editor-outline-link:before{position:absolute;top:7px;bottom:7px;left:0;width:3px;border-radius:999px;background:#7c3aed;content:"";opacity:0;transform:scaleY(.45);transition:opacity .15s ease,transform .15s ease}.course-editor-outline-link:hover{background:rgba(124,58,237,.05);color:#43384f}.course-editor-outline-link.active{background:rgba(124,58,237,.07);color:#6d28d9;font-weight:760}.course-editor-outline-link.active:before{opacity:1;transform:scaleY(1)}.course-editor-outline-link.level-2{padding-left:25px}.course-editor-outline-link.level-3{padding-left:38px;color:#8a8292}.course-editor-outline-empty{margin:8px 0 0;border-left:2px solid rgba(124,58,237,.12);color:#92899b;padding:4px 8px 4px 12px;font-size:11px;line-height:1.7}.course-editor-outline-rail{display:flex;align-items:flex-start;justify-content:center}.course-editor-balance-column{min-width:0}.course-editor-outline-backdrop{position:fixed;inset:0;z-index:1600;display:flex;background:rgba(20,15,28,.24);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.course-editor-outline-drawer{display:flex;width:min(340px,calc(100vw - 44px));height:100dvh;min-height:0;overflow:hidden;flex-direction:column;background:hsla(0,0%,100%,.98);box-shadow:22px 0 60px rgba(45,33,61,.18);padding:20px 16px;animation:course-editor-drawer-in .18s ease-out both}.course-editor-outline-drawer>header{min-height:52px;border-bottom:1px solid rgba(82,60,130,.08);padding:0 2px 15px}.course-editor-outline-drawer .course-editor-outline-list{max-height:none;padding-top:14px}@keyframes course-editor-drawer-in{0%{opacity:0;transform:translateX(-18px)}to{opacity:1;transform:translateX(0)}}.course-editor-toast{position:fixed;right:24px;bottom:24px;z-index:1700;display:grid;grid-template-columns:22px minmax(0,1fr) auto;width:min(440px,calc(100vw - 32px));align-items:center;gap:11px;border:1px solid rgba(82,60,130,.1);border-radius:12px;background:hsla(0,0%,100%,.96);box-shadow:0 20px 60px rgba(51,37,72,.19);padding:13px 12px 13px 15px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);animation:course-editor-toast-in .19s ease-out both}.course-editor-toast-icon{color:#7c3aed}.course-editor-toast.success .course-editor-toast-icon{color:#079455}.course-editor-toast.error .course-editor-toast-icon{color:#d92d20}.course-editor-toast-copy{min-width:0}.course-editor-toast-copy span,.course-editor-toast-copy strong{display:block}.course-editor-toast-copy strong{color:#211b2b;font-size:13px}.course-editor-toast-copy span{overflow:hidden;margin-top:2px;color:#766d7e;font-size:11px;line-height:1.45;text-overflow:ellipsis}.course-editor-toast-actions{display:flex;align-items:center;gap:6px}.course-editor-toast-actions .wy-motion-button{min-height:32px;border-radius:8px;padding-inline:9px}@keyframes course-editor-toast-in{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media (max-width:1360px){.course-editor-commandbar-inner,.course-editor-workbench{width:min(1110px,calc(100vw - 32px))}}@media (max-width:1100px){.course-editor-commandbar-inner{grid-template-columns:minmax(0,1fr) auto}.course-editor-command-context{display:none}.course-editor-save-status{justify-self:start}.course-editor-workbench,.course-editor-workbench.outline-collapsed{display:block;width:min(840px,calc(100vw - 32px))}.course-editor-balance-column,.course-editor-outline-panel,.course-editor-outline-rail{display:none}.course-mobile-outline-trigger{display:inline-flex!important}}@media (max-width:680px){.course-editor-commandbar{top:56px}.course-editor-commandbar-inner{width:calc(100vw - 24px);gap:8px}.course-editor-save-status{min-width:34px;padding-inline:9px}.course-editor-save-status span{display:none}.course-editor-primary-actions{gap:4px}.course-editor-primary-actions .wy-motion-button{min-width:40px;padding-inline:10px}.course-editor-primary-actions .course-mobile-outline-trigger .wy-motion-button__label,.course-editor-primary-actions .course-settings-action .wy-motion-button__label,.course-editor-primary-actions .draft-action{display:none}.course-editor-primary-actions .publish-action{min-width:98px}.course-editor-workbench,.course-editor-workbench.outline-collapsed{width:calc(100vw - 20px);margin-top:14px}.course-editor-document-head{padding:30px 18px 12px}.course-editor-title-input{font-size:24px}.course-editor-toast{right:12px;bottom:12px;width:calc(100vw - 24px);grid-template-columns:22px minmax(0,1fr)}.course-editor-toast-actions{grid-column:1/-1;justify-content:flex-end}}@media (prefers-reduced-motion:reduce){.course-editor-outline-drawer,.course-editor-toast{animation:none}.course-editor-commandbar{transition:none}}.course-base-editor{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;margin:0 0 12px;border:1px solid rgba(82,60,130,.08);border-radius:22px;background:linear-gradient(135deg,hsla(0,0%,100%,.92),rgba(249,246,255,.76)),radial-gradient(circle at 98% 0,rgba(217,204,255,.48),transparent 20rem);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.84),0 14px 44px rgba(65,45,115,.09);backdrop-filter:blur(18px) saturate(1.06);padding:14px}.course-base-editor label,.course-base-row label{min-width:0}.course-base-editor label span,.course-base-row label span,.course-cover-field>span{color:#70637f;font-size:12px;font-weight:850;letter-spacing:.02em}.course-base-editor input,.course-base-editor select{width:100%;min-width:0;min-height:42px;border:0;border-radius:14px;background:hsla(0,0%,100%,.76);color:#171323;padding:10px 12px;font:inherit;box-shadow:inset 0 0 0 1px rgba(82,60,130,.1),0 8px 18px rgba(65,45,115,.04);outline:none}.course-base-editor input:focus,.course-base-editor select:focus{background:#fff;box-shadow:inset 0 0 0 1.5px rgba(143,107,255,.58),0 10px 24px rgba(143,107,255,.12)}