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li[aria-current=step]{border-color:var(--green);color:var(--dark-green);background:color-mix(in srgb, var(--green) 10%, var(--surface))}.diagnostic-question{border:1px solid var(--line);border-top:4px solid var(--green);border-radius:var(--radius-lg);background:var(--surface);max-width:48rem;box-shadow:var(--shadow);padding:clamp(1.4rem,4vw,2.4rem)}.diagnostic-step{color:var(--coral);margin:0 0 .6rem;font-size:.8rem;font-weight:800}.diagnostic-question h2{margin:0 0 1.5rem;font-size:clamp(1.3rem,3vw,1.8rem);line-height:1.4}.diagnostic-options,.diagnostic-reason{border:0;margin:0 0 1.25rem;padding:0}.diagnostic-options legend,.diagnostic-reason legend{margin-bottom:.7rem;font-weight:800}.diagnostic-options label,.diagnostic-reason label{border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;align-items:start;gap:.6rem;padding:.8rem;display:flex}.diagnostic-options label+label,.diagnostic-reason label+label{margin-top:.55rem}.diagnostic-reason{margin-top:1.5rem}.diagnostic-reason p{color:var(--muted);margin:0 0 .7rem;font-size:.9rem}.diagnostic-answer{gap:.5rem;margin-bottom:1.5rem;font-weight:800;display:grid}.diagnostic-answer input{border:1px solid var(--line);border-radius:var(--radius-sm);min-height:44px;font:inherit;padding:.6rem}.diagnostic-result{border-left:4px solid var(--coral);border-radius:var(--radius-md);background:color-mix(in srgb, var(--coral) 9%, var(--surface));margin-top:1.5rem;padding:1rem}.diagnostic-result.correct{border-color:var(--green);background:color-mix(in srgb, var(--green) 9%, var(--surface))}.diagnostic-result strong{display:block}.diagnostic-result .knowledge-action,.diagnostic-result .knowledge-link{margin:.75rem .6rem 0 0}