:root{--bg:#fdfbfd;--fg:#24202a;--muted:#6b6475;--accent:#7b4bb7;--accent2:#e9dcf7;--card:#fff;--line:#e8e2ee;--ok:#2e7d4f;--err:#b42318}
@media (prefers-color-scheme:dark){:root{--bg:#17141b;--fg:#ece8f1;--muted:#a49cb0;--accent:#c39bf2;--accent2:#33264a;--card:#201b27;--line:#2f2838;--ok:#6fcf97;--err:#ff8a80}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:60rem;margin:0 auto;padding:0 1rem}a{color:var(--accent)}
.top{border-bottom:1px solid var(--line);background:var(--card)}.top .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1rem;align-items:center;justify-content:space-between;padding-top:.8rem;padding-bottom:.8rem}
.brand{font-weight:700;color:var(--fg);text-decoration:none;font-size:1.1rem}nav{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}nav a{text-decoration:none;color:var(--muted)}nav a:hover{color:var(--fg)}
.inline{display:inline}.link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0;text-decoration:underline}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:.55rem 1rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}.btn.small{padding:.3rem .7rem}nav .btn{color:#fff}
.hero{padding:2rem 0 1rem}.hero h1{font-size:2.2rem;margin:0}.hero p,.lead{color:var(--muted);font-size:1.1rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:1rem}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;text-decoration:none;color:var(--fg);margin-bottom:1rem}
.card:hover{border-color:var(--accent)}.card h2{font-size:1.1rem;margin:.1rem 0 .3rem}.card p{color:var(--muted);margin:.2rem 0 .6rem}
.card.row{display:flex;align-items:center;justify-content:space-between;gap:1rem}progress{width:10rem;height:.7rem;accent-color:var(--accent)}
.muted{color:var(--muted);font-size:.92rem}.badge{background:var(--accent2);color:var(--accent);border-radius:6px;padding:.05rem .45rem;font-size:.75rem;vertical-align:middle}
.ok{color:var(--ok);font-weight:600}.flash{background:var(--accent2);padding:.6rem .9rem;border-radius:8px;margin-top:1rem}.error{color:var(--err);font-weight:600}
.lessons li{margin:.35rem 0}.crumbs{color:var(--muted);font-size:.92rem;margin-top:1.2rem}
.prose{max-width:44rem}.prose img{max-width:100%}.prose pre{background:var(--card);border:1px solid var(--line);padding:1rem;border-radius:8px;overflow-x:auto}
.done{margin:2rem 0 1rem}.pager{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid var(--line);padding-top:1rem}
.box{max-width:26rem;margin:2rem auto;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.5rem}.box.wide{max-width:44rem}
label{display:block;margin:0 0 .9rem;font-weight:600;font-size:.92rem}input,textarea{display:block;width:100%;margin-top:.3rem;padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit;font-weight:400}
label.check{display:flex;gap:.5rem;align-items:center}label.check input{width:auto;margin:0}
table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:.5rem;border-bottom:1px solid var(--line)}.danger{margin-top:2rem}.danger .link{color:var(--err)}
.foot{color:var(--muted);font-size:.85rem;padding-top:3rem;padding-bottom:2rem}