.academy-tool-bar{padding:12px 16px}.academy-tool-title{min-width:0}.academy-tool-frame{flex:1;min-height:0}.academy-tool-site .academy-tool-frame{border-radius:var(--radius-4);flex:none;width:100%;height:calc(100dvh - 120px);min-height:560px;margin-top:20px;overflow:hidden}.academy-tool-app{height:100dvh;padding-top:var(--tg-inset-top,0px);padding-bottom:var(--tg-inset-bottom,0px);box-sizing:border-box;background:var(--bg,var(--color-background))}@media (width<=480px){.academy-tool-bar{padding:10px 12px}}.academy-card{color:inherit;text-decoration:none}.academy-card-cover{aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-2);width:100%;margin-bottom:12px;display:block}.academy-more{font-size:var(--font-size-2);color:var(--accent-11)}.academy-lessons{border-radius:var(--radius-3);background:var(--gray-a2);overflow:hidden}.academy-lesson-row{color:inherit;border-bottom:1px solid var(--gray-a3);align-items:center;gap:12px;padding:12px 14px;text-decoration:none;display:flex}.academy-lesson-row:last-child{border-bottom:0}.academy-lesson-row:hover{background:var(--gray-a3)}.academy-code{justify-content:center;min-width:40px}.academy-heading-code{color:var(--gray-10);margin-right:10px}.academy-ellipsis{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.academy-duration{font-variant-numeric:tabular-nums;flex-shrink:0}.academy-video{aspect-ratio:16/9;border-radius:var(--radius-3);background:var(--gray-a3);position:relative;overflow:hidden}.academy-video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.academy-video-facade{cursor:pointer;background:0 0;border:0;padding:0;position:absolute;inset:0}.academy-video-facade img{object-fit:cover;width:100%;height:100%;display:block}.academy-video-play{background:#000000b8;border-radius:12px;width:68px;height:48px;margin:-24px 0 0 -34px;position:absolute;top:50%;left:50%}.academy-video-play:after{content:"";border:10px solid #0000;border-left:18px solid #fff;border-right-width:0;position:absolute;top:14px;left:27px}.academy-video-facade:hover .academy-video-play{background:#f03}.academy-embedded-tool{padding:0;overflow:hidden}.academy-embedded-tool .academy-tool-site .academy-tool-frame{border-radius:0;height:760px;min-height:0;margin-top:0}.academy-nav{height:100%;color:inherit;flex-direction:column;gap:6px;text-decoration:none;display:flex}.academy-nav-next{text-align:right;align-items:flex-end}.academy-nav-label{align-items:center;gap:4px;display:inline-flex}.academy-cta{background:var(--accent-a2)}.academy-card{flex-direction:column;display:flex}.academy-card-go{color:var(--accent-11);align-items:center;gap:4px;display:inline-flex}.academy-video-locked img{object-fit:cover;filter:blur(2px)brightness(.45);width:100%;height:100%;position:absolute;inset:0}.academy-lock{color:#fff;padding:16px;position:absolute;inset:0}.academy-notes-fade{max-height:340px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 55%,#0000);mask-image:linear-gradient(#000 55%,#0000)}.academy-done-mark{color:var(--grass-11);flex-shrink:0}.academy-lock-mark{color:var(--gray-10);flex-shrink:0}.academy-contents{font-size:var(--font-size-2);flex-direction:column;gap:6px;display:flex;position:sticky;top:72px}.academy-contents a{color:var(--gray-11);line-height:1.35;text-decoration:none}.academy-contents a:hover{color:var(--accent-11)}.academy-contents-3{font-size:var(--font-size-1);padding-left:12px}