:root{color-scheme:dark;--bg:#0b1017;--panel:#121c27;--line:#293747;--ink:#eef3f8;--muted:#a8b6c5;--accent:#6ad5c5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,a,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.masthead{max-width:1500px;margin:auto;padding:26px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.masthead a{font-size:22px;font-weight:750;letter-spacing:.035em}.masthead a span{font-size:12px;font-weight:500;color:var(--muted);margin-left:10px}.status{font-size:12px;border:1px solid var(--line);border-radius:30px;padding:5px 12px;color:var(--accent)}.home{max-width:1150px;margin:76px auto 100px;padding:0 40px}.eyebrow{color:var(--accent);font-size:11px;letter-spacing:.15em;font-weight:750}.home h1{font-size:clamp(40px,6vw,76px);line-height:1.08;letter-spacing:-.04em;margin:22px 0}.intro{max-width:610px;font-size:19px;color:var(--muted)}.tutorials{margin-top:45px;max-width:800px}.tutorial-card{display:block;border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:30px;transition:border-color .15s}.tutorial-card:hover{border-color:var(--accent)}.tutorial-card h2{font-size:28px;letter-spacing:-.03em;margin:10px 0}.tutorial-card p{color:var(--muted);max-width:580px}.go{display:flex;justify-content:space-between;color:var(--accent);font-weight:650;margin-top:25px}.upcoming{font-size:14px;max-width:680px;color:var(--muted);margin-top:35px}.watch{max-width:1500px;padding:25px 40px 60px;margin:auto}.watch-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.watch h1{font-size:clamp(25px,3.2vw,40px);line-height:1.2;letter-spacing:-.025em;margin:5px 0 28px}.text-link{font-size:13px;color:var(--accent);white-space:nowrap}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px}video{display:block;width:100%;aspect-ratio:16/9;background:#000;border:1px solid var(--line);border-radius:8px}.player-meta{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:11px;margin:10px 0 25px}.chapters{border:1px solid var(--line);background:var(--panel);border-radius:8px;max-height:690px;overflow:auto}.chapters h2{font-size:15px;margin:0;padding:17px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel);z-index:1}.chapters ol{list-style:none;padding:6px;margin:0}.chapters button{font:inherit;line-height:1.4;font-size:12px;display:flex;gap:10px;width:100%;text-align:left;padding:10px;border:0;border-radius:5px;color:var(--muted);background:transparent;cursor:pointer}.chapters button:hover{background:#1c2b39;color:var(--ink)}.chapters button[aria-current=true]{color:var(--accent);background:#172e33}.time{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:11px;color:var(--accent)}.review{padding:20px 22px;border:1px solid var(--line);border-radius:8px}.review h2{font-size:17px;margin:0 0 6px}.review p{font-size:13px;color:var(--muted);margin:5px 0 15px}.review button{background:var(--accent);color:#0b171c;font-size:13px;font-weight:650;padding:10px 14px;border:0;border-radius:6px;cursor:pointer}.review textarea{width:100%;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:12px;margin-top:14px;font:13px/1.6 ui-monospace,monospace}.review .copy-status{margin:8px 0 0;font-size:12px}.transcript{border-top:1px solid var(--line);margin-top:34px;padding-top:20px}.transcript summary{cursor:pointer;font-weight:650}.transcript section{max-width:880px;margin-top:20px}.transcript h3{font-size:16px;color:var(--accent);margin-bottom:4px}.transcript p{font-size:15px;color:var(--muted);margin-top:3px}.transcript a{color:var(--accent)}footer{border-top:1px solid var(--line);max-width:1500px;margin:auto;padding:24px 40px;color:var(--muted);font-size:12px;display:flex;justify-content:space-between;gap:18px}@media(max-width:1000px){.player-layout{grid-template-columns:1fr}.chapters{max-height:290px}.watch-heading{align-items:flex-start}.text-link{margin-top:30px}}@media(max-width:600px){.masthead,.watch,footer{padding-left:18px;padding-right:18px}.masthead a span{display:none}.home{padding:0 20px;margin-top:45px}.watch-heading{display:block}.text-link{display:block;margin:0 0 15px}.player-meta{flex-wrap:wrap}.tutorial-card{padding:22px}.review{padding:16px}footer{flex-direction:column}}