*{box-sizing:border-box}body{margin:0;min-height:100vh;padding:34px 18px 60px;color:var(--amb-ink);line-height:1.65;position:relative;overflow-x:hidden;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(1100px 720px at 12% -8%,color-mix(in oklab,#7c6cff 24%,transparent),transparent 55%),radial-gradient(900px 650px at 112% 4%,color-mix(in oklab,#36d1c4 20%,transparent),transparent 52%),var(--amb-bg)}.orb{position:fixed;border-radius:50%;filter:blur(72px);z-index:0;pointer-events:none;opacity:.45}.orb.a{width:360px;height:360px;background:#7c6cff;top:-90px;left:-70px}.orb.b{width:300px;height:300px;background:#36d1c4;bottom:-110px;right:-50px}.wrap{max-width:760px;margin:0 auto;position:relative;z-index:1}.back{display:inline-block;text-decoration:none;color:var(--amb-muted);font-weight:600;font-size:.92rem;margin:0 0 18px}.back:hover{color:var(--amb-ink)}.crumb{font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--amb-brand-teal)}h1{font-size:clamp(1.7rem,4.6vw,2.35rem);margin:6px 0 8px;line-height:1.12}.obj{color:var(--amb-body);font-size:1.08rem;margin:0 0 22px}a{color:var(--amb-inline)}.card{border:1px solid var(--amb-card-brd);border-radius:16px;padding:18px 20px;margin:0 0 14px;background:color-mix(in oklab,var(--amb-card) 55%,transparent)}.muted{color:var(--amb-muted)}.lock{border:1px solid var(--amb-teal-brd);border-radius:18px;padding:26px 24px;margin:8px 0;background:linear-gradient(120deg,#36d1c41a,#7c6cff1f);text-align:center}.lock .badge{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#7c6cff;border:1px solid rgba(124,108,255,.4);border-radius:999px;padding:5px 12px;margin:0 0 12px}.lock h2{margin:0 0 8px;font-size:1.35rem;color:var(--amb-ink)}.lock p{margin:0 auto 16px;color:var(--amb-body);max-width:460px}.pill{display:inline-block;text-decoration:none;background:linear-gradient(120deg,#36d1c4,#7c6cff);color:#fff;font-weight:800;border-radius:999px;padding:13px 26px;font-size:1rem;border:0;cursor:pointer;font-family:inherit}.pill:disabled{opacity:.55;cursor:default}.sec-h{display:flex;align-items:center;gap:10px;margin:30px 0 12px;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--amb-brand-teal)}.sec-h:after{content:"";flex:1;height:1px;background:var(--amb-line)}.q{border:1px solid var(--amb-card-brd);border-radius:14px;padding:16px 17px;margin:0 0 12px;background:color-mix(in oklab,var(--amb-card) 55%,transparent)}.q .qt{font-weight:700;margin:0 0 12px;color:var(--amb-ink)}.q .num{color:var(--amb-brand-teal);font-weight:800;margin-right:6px}.opt{display:block;width:100%;text-align:left;border:1px solid var(--amb-card-brd);border-radius:10px;padding:11px 14px;margin:0 0 8px;background:var(--amb-input);color:var(--amb-ink);font:inherit;cursor:pointer;transition:border-color .15s ease,background .15s ease}.opt:hover{border-color:var(--amb-teal-brd)}.opt.sel{border-color:#7c6cff;background:color-mix(in oklab,#7c6cff 12%,var(--amb-input))}textarea{font:inherit;color:var(--amb-ink);background:var(--amb-input);border:1px solid var(--amb-card-brd);border-radius:12px;padding:12px 14px;width:100%;min-height:150px;resize:vertical;line-height:1.55}.counter{font-size:.8rem;color:var(--amb-muted);margin:4px 0 0;text-align:right}.counter.ok{color:var(--amb-brand-teal)}.scorebar{border-radius:14px;padding:14px 18px;margin:14px 0;font-weight:700;border:1px solid var(--amb-card-brd);background:color-mix(in oklab,var(--amb-card) 55%,transparent)}.scorebar.pass{border-color:var(--amb-teal-brd);background:color-mix(in oklab,#36d1c4 14%,var(--amb-card))}.scorebar.fail{border-color:#e0576b80;background:color-mix(in oklab,#e0576b 10%,var(--amb-card))}.feedback{border-left:3px solid #36d1c4;border-radius:0 12px 12px 0;padding:12px 16px;margin:10px 0;background:color-mix(in oklab,var(--amb-card) 50%,transparent);color:var(--amb-body)}.feedback b{color:var(--amb-ink)}.qualbadge{display:inline-flex;align-items:center;gap:8px;font-weight:800;border-radius:999px;padding:8px 18px;background:linear-gradient(120deg,#36d1c4,#7c6cff);color:#fff;margin:0 0 12px}.bar{height:10px;border-radius:999px;background:color-mix(in oklab,var(--amb-card) 70%,transparent);border:1px solid var(--amb-card-brd);overflow:hidden;margin:10px 0 4px}.bar i{display:block;height:100%;background:linear-gradient(90deg,#36d1c4,#7c6cff)}.complete{margin:22px 0 4px}