:root{color-scheme:dark;font:16px/1.6 system-ui,sans-serif;--bg:#081315;--panel:#122124;--line:#31464a;--lime:#dbff96;--muted:#aac0bf;--text:#eff7f4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--lime)}button,select{font:inherit}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,video:focus-visible{outline:3px solid var(--lime);outline-offset:4px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 4vw;border-bottom:1px solid var(--line)}header nav{display:flex;gap:24px}.brand{text-decoration:none;font-size:1.4rem;font-weight:750;letter-spacing:-.04em}.brand span{font-size:.65rem;letter-spacing:.1em;color:var(--muted);margin-left:12px}main{max-width:1600px;margin:auto;padding:38px 4vw 90px}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(2rem,4vw,3.6rem);margin:12px 0}h2{font-size:1.7rem;margin-top:0}h3{font-size:1.1rem}.lead{color:var(--muted);max-width:850px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--lime);font-size:.75rem;font-weight:700}.layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:30px;margin-top:36px}.lessons{list-style:none;padding:0;margin:0;display:grid;gap:8px;align-content:start}.lessons a{display:flex;gap:12px;padding:12px;border:1px solid var(--line);border-radius:10px;color:var(--text);text-decoration:none;font-size:.88rem}.lessons a[aria-current]{background:#273a2c;border-color:var(--lime)}.lessons .number{color:var(--lime);font-size:1.15rem}.lessons small{display:block;color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:24px;margin-bottom:18px;min-width:0}.video-panel{padding:0;overflow:hidden}.video-panel .intro{padding:23px 25px 10px}video{display:block;width:100%;aspect-ratio:16/9;background:#000}.below{padding:18px 24px;display:flex;flex-wrap:wrap;gap:15px;align-items:center}.below a{font-size:.9rem}.button{display:inline-block;border:1px solid var(--line);border-radius:8px;padding:9px 16px;background:#233537;color:var(--text);text-decoration:none;cursor:pointer}.button.primary{background:var(--lime);color:#152019;border-color:var(--lime)}.actions{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.progress{color:var(--muted);font-size:.85rem}.chapters{display:flex;flex-wrap:wrap;gap:8px}.chapters button{font-size:.8rem;padding:6px 10px}.outcome{border-left:3px solid var(--lime);padding-left:15px;color:var(--muted)}details{border-top:1px solid var(--line);padding-top:15px;margin-top:18px}summary{cursor:pointer;font-weight:650}details p{color:var(--muted)}.transcript p{max-width:85ch}.transcript h3{margin-bottom:7px}.status{color:var(--lime)}.error{padding:20px;border:1px solid #e5ad7c;border-radius:10px}p{overflow-wrap:anywhere}.book-links{display:flex;gap:15px;flex-wrap:wrap}.caption-note{font-size:.8rem;color:var(--muted)}@media(max-width:960px){.layout{grid-template-columns:1fr}.lessons{grid-template-columns:repeat(2,minmax(0,1fr))}.brand span{display:none}}@media(max-width:560px){header{padding:16px}main{padding:25px 16px 60px}.lessons{grid-template-columns:1fr}.panel{padding:18px}.video-panel{padding:0}.video-panel .intro{padding:18px}header nav{gap:14px;font-size:.85rem}}

.mobile-nav{display:none}select:focus-visible{outline:3px solid var(--lime);outline-offset:4px}@media(max-width:960px){.mobile-nav{display:grid;gap:8px;font-size:.85rem;color:var(--muted)}.mobile-nav select{min-height:44px;width:100%;max-width:100%;border:1px solid var(--line);border-radius:8px;padding:9px;background:var(--panel);color:var(--text)}.lessons{display:none}}