:root{--bg:#f6f4ef;--card:#fff;--ink:#1b1b1b;--mute:#5d625f;--acc:#1b5e4a;--acc2:#e7f0ec;--warn:#8a5a00;--warnbg:#fff4dc;--line:#ddd8cc;--bad:#a23b2a}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:16px}
header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0 4px}
header a{color:var(--acc);text-decoration:none;font-weight:600}.brand{font-weight:800;letter-spacing:.2px}
.avviso{background:var(--warnbg);color:var(--warn);border:1px solid #f0d9a6;border-radius:10px;padding:10px 12px;font-size:.92rem;margin:10px 0 18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:0 0 16px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
h1{font-size:1.7rem;line-height:1.2;margin:.1em 0 .4em}h2{font-size:1.25rem;margin:.2em 0 .5em}
.mute{color:var(--mute)}.tag{display:inline-block;font-size:.78rem;font-weight:700;color:var(--acc);background:var(--acc2);border-radius:99px;padding:2px 10px;margin-bottom:8px}
.btn{display:inline-block;background:var(--acc);color:#fff;border:0;border-radius:10px;padding:12px 18px;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none}
.btn[disabled]{opacity:.4;cursor:not-allowed}.btn.sec{background:transparent;color:var(--acc);border:1.5px solid var(--acc)}
.opts{display:grid;gap:8px;margin:12px 0}
.opt{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--line);border-radius:10px;padding:11px 12px;cursor:pointer;background:#fff}
.opt input{margin-top:4px}.opt.sel{border-color:var(--acc);background:var(--acc2)}
.ia{border-left:4px solid #6b5bd2;background:#f3f1fc;border-radius:8px;padding:12px 14px;margin:14px 0}
.ia b{color:#4a3db0}
textarea{width:100%;min-height:76px;border:1.5px solid var(--line);border-radius:10px;padding:10px;font:inherit;resize:vertical}
.prog{height:6px;background:var(--line);border-radius:99px;overflow:hidden;margin:6px 0 14px}.prog i{display:block;height:100%;background:var(--acc);transition:width .3s}
.lesson{background:var(--acc2);border-radius:10px;padding:12px 14px;margin-top:14px}
.bar{height:14px;background:var(--line);border-radius:99px;overflow:hidden;margin:6px 0 4px}.bar i{display:block;height:100%;border-radius:99px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:10px 0}
.stat{border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}.stat b{display:block;font-size:1.6rem}
table{width:100%;border-collapse:collapse;font-size:.92rem}td,th{border-bottom:1px solid var(--line);padding:8px 4px;text-align:left;vertical-align:top}
footer{font-size:.85rem;color:var(--mute);padding:10px 0 30px}footer a{color:var(--acc)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}