.tutorial-layout{display:grid;grid-template-columns:minmax(280px,440px) 1fr;gap:40px;align-items:start}.player-panel{position:sticky;top:20px;background:#fff;border:1px solid #e6e0ef;border-radius:24px;padding:24px}.player-panel video{display:block;background:#101820;width:100%;max-height:62vh;aspect-ratio:720/1666;border-radius:14px;object-fit:contain}.player-panel h2{margin-bottom:10px}.tutorial-note,.privacy-note,.caption-note{font-size:.88rem;color:#5c536c;line-height:1.6}.lesson-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin:16px 0}.lesson-actions label{display:flex;align-items:center;gap:8px;min-height:44px}.lesson-actions input{width:20px;height:20px;accent-color:#622bb0}.filters{display:grid;grid-template-columns:1fr 180px;gap:14px}.filters label{font-size:.9rem;font-weight:700}.filters input,.filters select{display:block;width:100%;min-height:48px;padding:10px 12px;background:white;color:#242133;border:1px solid #a797b8;border-radius:10px;font:inherit}.lessons{display:grid;gap:16px}.lesson{background:#fff;border:1px solid #e6e0ef;border-radius:18px;padding:16px;scroll-margin-top:20px}.lesson.active{border:2px solid #622bb0;padding:15px;box-shadow:0 6px 20px #622bb014}.lesson-link{display:flex;gap:18px;text-decoration:none;color:inherit}.lesson-link img{width:78px;height:180px;object-fit:cover;background:#101820;border-radius:10px;flex-shrink:0}.lesson-copy{align-self:center}.lesson-copy small{font-size:.76rem;color:#7542a3;font-weight:700}.lesson h3{font-size:1.13rem;line-height:1.35;margin:6px 0}.lesson-copy>span{font-size:.88rem;color:#514d60;line-height:1.55;display:block}.lesson details{margin-top:12px;font-size:.9rem}.lesson summary{cursor:pointer;min-height:44px;padding:8px 0}.watched-badge{font-size:.8rem;background:#e5f3eb;color:#21583b;border-radius:20px;padding:3px 10px;display:inline-block}.watched-badge[hidden],[hidden]{display:none!important}:focus-visible{outline:3px solid #7443bf;outline-offset:4px}#result-count{font-size:.85rem;margin:12px 0}#lesson-title{scroll-margin-top:20px}@media(max-width:850px){.tutorial-layout{grid-template-columns:1fr;gap:28px}.player-panel{position:static;max-width:550px;width:100%;margin:auto}.player-panel video{max-height:65vh}.filters{grid-template-columns:1fr}.hero{padding-top:28px}.lesson-link img{width:68px;height:157px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.hero{padding-top:32px;padding-bottom:24px}.hero h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:20px}.hero .intro{margin-bottom:12px}.tutorial-layout{padding-bottom:48px}