.diagnostic-preview,.diagnostic-brief{border-bottom:1px solid var(--color-border);padding:clamp(3rem,7vw,6rem) 0;scroll-margin-top:6rem}.diagnostic-section-intro{max-width:760px;margin-bottom:2rem}.diagnostic-section-intro h2{font-family:var(--font-display);color:var(--color-text);font-size:clamp(2rem,4vw,3.25rem);line-height:1.08}.diagnostic-section-intro>p:first-of-type{max-width:66ch;color:var(--color-text-muted);margin-top:1.25rem;font-size:1rem;line-height:1.7}.diagnostic-reader{border:1px solid var(--color-border);background:var(--color-surface);border-radius:18px;grid-template-columns:minmax(180px,1fr) minmax(0,3fr);display:grid;overflow:hidden}.diagnostic-reader nav{flex-direction:column;align-items:stretch;gap:.5rem;padding:1.25rem;display:flex}.diagnostic-reader nav button{text-align:left;min-height:52px;color:var(--color-text-muted);border-radius:9px;gap:.75rem;padding:.9rem .75rem;font-size:.875rem;line-height:1.4;display:flex}.diagnostic-reader nav button span{color:var(--color-accent)}.diagnostic-reader nav button[aria-pressed=true]{background:var(--color-walnut);color:var(--color-creme)}.diagnostic-reader nav button[aria-pressed=true] span{color:var(--color-accent-soft)}.diagnostic-sheet{background:var(--color-card);border-left:1px solid var(--color-border);min-width:0;padding:clamp(1.4rem,4vw,3rem)}.diagnostic-sheet-meta{color:var(--color-text-muted);border-bottom:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;gap:.5rem 1rem;padding-bottom:1rem;font-size:.7rem;line-height:1.5;display:flex}.diagnostic-sheet h3{font-family:var(--font-display);color:var(--color-text);margin-top:1.75rem;font-size:clamp(1.9rem,3.5vw,2.8rem);line-height:1.12}.diagnostic-sheet-lead{border-left:3px solid var(--color-accent);color:var(--color-text);margin-top:1.25rem;padding-left:1rem;font-size:1rem;line-height:1.7}.diagnostic-sheet dl{margin-top:1.75rem}.diagnostic-sheet dl>div+div{margin-top:1.4rem}.diagnostic-sheet dt{color:var(--color-text);font-size:.875rem;font-weight:650}.diagnostic-sheet dd{color:var(--color-text-muted);margin-top:.45rem;font-size:.9rem;line-height:1.7}.diagnostic-actions{flex-wrap:wrap;align-items:center;gap:1rem 1.5rem;margin-top:1.75rem;font-size:.9rem;display:flex}.diagnostic-actions a:not(.diagnostic-button),.diagnostic-text-button{text-underline-offset:4px;color:var(--color-accent);align-items:center;min-height:44px;text-decoration:underline;display:inline-flex}.diagnostic-button{background:var(--color-accent);min-height:46px;color:var(--color-creme);text-align:center;border-radius:11px;justify-content:center;align-items:center;padding:.85rem 1.4rem;font-size:.875rem;font-weight:650;line-height:1.5;display:inline-flex}.diagnostic-button:hover{background:var(--color-accent-hi)}.diagnostic-preview :is(a,button):focus-visible,.diagnostic-brief :is(a,button,input,select,textarea,summary):focus-visible{outline:3px solid var(--color-accent);outline-offset:4px}.diagnostic-brief-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.65fr);gap:3rem;display:grid}.diagnostic-brief-progress{max-width:320px;margin-top:1.5rem}.diagnostic-brief-progress label{color:var(--color-text-muted);font-size:.8rem;line-height:1.5}.diagnostic-brief-progress progress{width:100%;height:7px;accent-color:var(--color-accent);margin-top:.75rem;display:block}.diagnostic-brief-progress progress::-webkit-progress-bar{background:var(--color-surface-2);border-radius:4px}.diagnostic-brief-progress progress::-webkit-progress-value{background:var(--color-accent);border-radius:4px}.diagnostic-brief-fields{gap:1.5rem;display:grid}.diagnostic-brief-fields label{color:var(--color-text);gap:.55rem;font-size:.95rem;line-height:1.5;display:grid}.diagnostic-brief-fields :is(input,select,textarea){border:1px solid var(--color-border-hi);background:var(--color-card);width:100%;min-width:0;min-height:48px;color:var(--color-text);border-radius:9px;padding:.8rem 1rem;font-size:1rem;line-height:1.5}.diagnostic-brief-fields textarea{resize:vertical}.diagnostic-brief-note{color:var(--color-text-muted);margin-top:1rem;font-size:.8rem;line-height:1.65}.diagnostic-brief-save{color:var(--color-text-muted);align-items:flex-start;gap:.65rem;margin-top:1.5rem;font-size:.85rem;line-height:1.6;display:flex}.diagnostic-brief-save input{width:18px;height:18px;accent-color:var(--color-accent);flex-shrink:0;margin-top:3px}.diagnostic-brief-result{border:1px solid var(--color-border);background:var(--color-card);border-radius:18px;padding:clamp(1.3rem,3vw,2.2rem)}.diagnostic-brief-result h3{font-family:var(--font-display);color:var(--color-text);font-size:2rem;line-height:1.15}.diagnostic-brief-result pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--font-body);color:var(--color-text-muted);margin-top:1.5rem;font-size:.9rem;line-height:1.8}.diagnostic-brief-result details{border-top:1px solid var(--color-border);margin-top:1.75rem;padding-top:1.25rem}.diagnostic-brief-result summary{cursor:pointer;min-height:44px;color:var(--color-text);font-size:.95rem;font-weight:600;line-height:1.6}.diagnostic-brief-result details .diagnostic-brief-fields{margin-top:1.25rem}.diagnostic-brief-status{color:var(--color-text);margin-top:1rem;font-size:.85rem;line-height:1.6}@media (width<=720px){.diagnostic-reader,.diagnostic-brief-layout{grid-template-columns:1fr}.diagnostic-reader nav{grid-template-columns:1fr 1fr;padding:.75rem;display:grid}.diagnostic-reader nav button{gap:.5rem;min-height:56px;padding:.65rem}.diagnostic-sheet{border-left:0;border-top:1px solid var(--color-border)}.diagnostic-brief-layout{gap:1.5rem}}