:root{color-scheme:light;--paper: #f3efe4;--ink: #17261f;--muted: #5c564c;--line: #d8d0c2;--card: #fffdf8;--green: #0d5c3d;--green-soft: #e5f0e8;--clay: #9a4e24;--danger: #8c2f2f;--shadow: 0 12px 30px rgba(23, 38, 31, .06);font-family:Avenir Next,Segoe UI,sans-serif;line-height:1.5;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea,select{font:inherit;color:inherit}a{color:var(--green)}h1,h2,h3{font-family:Palatino,Iowan Old Style,Georgia,serif;font-weight:600;line-height:1.2}:focus-visible{outline:3px solid var(--green);outline-offset:2px}.skip{position:absolute;left:12px;top:-40px;background:#fff;padding:8px 12px;z-index:5}.skip:focus{top:12px}.public{max-width:1040px;margin:0 auto;padding:28px 20px 64px}.topbar,.row,.spread{display:flex;gap:12px;align-items:center}.spread{justify-content:space-between}.wrap{flex-wrap:wrap}.hero{display:grid;grid-template-columns:1.4fr .8fr;gap:28px;align-items:end;margin-top:36px}.hero h1{font-size:clamp(2.4rem,5vw,4.4rem);margin:0 0 12px}.lede{font-size:1.15rem;max-width:42rem}.panel,.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.panel{padding:22px}.card{padding:18px}.stack{display:grid;gap:14px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.muted{color:var(--muted);margin:0}.kicker{letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;color:var(--clay);margin:0 0 8px}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{padding:22px 16px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:18px;background:#ebe6da}.brand{font-family:Palatino,Georgia,serif;font-size:1.6rem;margin:0}.sidebar nav{display:grid;gap:4px}.sidebar a{text-decoration:none;color:var(--ink);padding:8px 10px;border-radius:10px}.sidebar a[aria-current=page]{background:var(--green);color:#fff}.who{margin-top:auto}.content{padding:28px 22px 72px;max-width:980px}.pill{display:inline-flex;align-items:baseline;gap:8px;background:var(--green-soft);color:var(--green);border-radius:999px;padding:6px 12px;font-weight:600}button,.button{background:var(--green);color:#fff;border:0;border-radius:999px;padding:10px 16px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}button.secondary,a.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}button.danger{background:var(--danger)}.text-button{background:transparent;color:var(--green);padding:0;border-radius:0}.field{display:grid;gap:6px}.field span{font-size:.92rem}input,textarea,select{width:100%;border:1px solid #8d867b;background:#fff;border-radius:12px;padding:10px 12px;min-height:44px}textarea{min-height:120px;resize:vertical}.choice{display:flex;gap:10px;align-items:flex-start;padding:10px 0}.choice input{width:auto;min-height:0;margin-top:4px}.banner{padding:12px 14px;border-radius:12px;background:var(--green-soft)}.banner.error{background:#f8e8e4;color:var(--danger)}.status{color:var(--muted)}.lesson-body p{font-size:1.05rem}.score{font-family:Palatino,Georgia,serif;font-size:2.4rem;margin:0}img.evidence{max-width:100%;border-radius:12px}.list{list-style:none;padding:0;margin:0;display:grid;gap:10px}@media(max-width:800px){.hero,.shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:2;border-right:0;border-bottom:1px solid var(--line);flex-direction:row;align-items:center;overflow:auto}.sidebar nav{display:flex}.who{margin-top:0}.who .muted{display:none}.content{padding:18px 14px 48px}}