:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#20283b;background:#f5f7fc;line-height:1.55;--primary:#4f46e5;--muted:#596780;--line:#dbe1ee}*{box-sizing:border-box}body{margin:0}a{color:var(--primary)}button,input,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:44px;padding:.65rem 1rem;border:1px solid var(--line);border-radius:10px;background:white;color:#20283b;text-decoration:none;font-weight:650;cursor:pointer}button:hover,.button:hover{background:#eeedff;border-color:var(--primary)}button.primary,.button.primary{background:var(--primary);color:white;border-color:var(--primary)}button:disabled{opacity:.6;cursor:wait}input,select{width:100%;padding:.7rem .8rem;border:1px solid #bbc6db;border-radius:9px;background:white;color:#20283b;min-height:44px}label{display:block;font-weight:600;margin:.8rem 0 .3rem}input:focus-visible,button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #8982fa;outline-offset:3px}header{background:white;border-bottom:1px solid var(--line);padding:1rem max(1rem,calc((100% - 1160px)/2));display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.brand{font-weight:850;letter-spacing:-.04em;color:var(--primary);font-size:1.15rem;margin-right:auto}.shell{max-width:1160px;margin:0 auto;padding:2rem 1rem 4rem}.auth{max-width:480px;margin:6vh auto;padding:1rem}.card{background:white;padding:clamp(1rem,3vw,1.8rem);border:1px solid var(--line);border-radius:18px;margin-bottom:1.25rem;box-shadow:0 8px 30px #263b5906}h1,h2,h3{line-height:1.2;margin-top:0}h1{font-size:clamp(1.7rem,4vw,2.3rem);letter-spacing:-.035em}h2{font-size:1.3rem}p{margin-top:0}.eyebrow{color:var(--primary);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.muted,small{color:var(--muted)}.actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-top:1rem}.notice{white-space:pre-wrap;padding:.8rem 1rem;border-radius:10px;background:#eeedff;margin:1rem 0;overflow-wrap:anywhere}.notice:empty{display:none}.error{background:#fff0ed;color:#8d2d20}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.stat strong{display:block;font-size:2rem;color:var(--primary);line-height:1.2;margin:.5rem 0}.split{display:grid;grid-template-columns:minmax(240px,320px) minmax(0,1fr);gap:1.25rem;align-items:start}.filters{display:flex;gap:.7rem;flex-wrap:wrap;margin-bottom:1rem}.filters input{flex:2;min-width:180px}.filters select{flex:1;min-width:130px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:.92rem;text-align:left}td,th{padding:.85rem .65rem;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}td small{display:block}progress{width:100%;max-width:130px;height:9px;accent-color:var(--primary);display:block;margin:.5rem 0}.tag{display:inline-block;border-radius:20px;padding:.25rem .6rem;background:#eeedff;color:var(--primary);font-size:.8rem}.inactive{background:#f1f1f1;color:#666}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.8rem}.lesson-detail{border:1px solid var(--line);border-radius:12px;padding:1rem}.lesson-detail.done{border-left:4px solid #128361}.lesson-detail h3{font-size:1rem}.reflection{white-space:pre-wrap;overflow-wrap:anywhere;border-left:3px solid #cbc7ff;padding-left:.7rem;font-size:.9rem}.empty{text-align:center;padding:2rem;color:var(--muted)}[hidden]{display:none!important}.full{width:100%}.danger{color:#982e21}details summary{cursor:pointer;font-weight:700;padding:.4rem 0}footer{font-size:.85rem;color:var(--muted);margin-top:1.5rem}@media(max-width:800px){.split{grid-template-columns:1fr}.stats{gap:.5rem}.stat{padding:1rem}.stat strong{font-size:1.5rem}.shell{padding-top:1.2rem}.auth{margin-top:2vh}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}