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svg{width:100%;height:100%;display:block;user-select:none}.canvas[hidden]{display:none}.view3d{position:absolute;inset:0}.view3d canvas{display:block;touch-action:none}.caption3d{position:absolute;left:10px;bottom:6px;margin:0;font-size:.8rem;color:var(--muted);background:#fffc;padding:2px 6px;border-radius:4px;pointer-events:none}.loading{padding:16px;color:var(--muted)}.seg{display:inline-flex}.seg button:first-child{border-top-right-radius:0;border-bottom-right-radius:0}.seg button:last-child{border-top-left-radius:0;border-bottom-left-radius:0;margin-left:-1px}.canvas .overlay{position:absolute;top:8px;left:8px;right:8px;display:grid;gap:6px;pointer-events:none}.canvas .overlay p{pointer-events:auto;justify-self:start}.note button,.hint button{min-height:28px;padding:2px 8px}.props h3{margin:4px 0 10px;font-size:1rem}.props label{margin-bottom:10px}.props .big{font-size:1.5rem;font-weight:700;margin:0}.props .muted{color:var(--muted);font-size:.85rem}@media(max-width:900px){.workspace{grid-template-columns:1fr;height:auto}.canvas{height:70vh;order:1}.props{order:2}.palette{order:3;max-height:260px}}.facade{padding:16px 0}.facade .crumbs,.facade .meta{font-size:.85rem;color:var(--muted)}.facade .hero-figure{margin:16px 0;border:1px solid var(--line);border-radius:var(--radius)}.facade .hero-figure img{width:100%;height:auto;display:block}.facade .variant{border-top:1px solid var(--line);padding-top:8px;margin-top:16px}.facade .facts{font-family:var(--mono);font-size:.9rem}.facade .note{font-size:.85rem;color:var(--muted)}.facade .cta{margin:28px 0;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--desk)}.facade .faq h3{font-size:1.02rem;margin:18px 0 4px}.facade .sources{font-size:.85rem;color:var(--muted)}.facade table{display:block;overflow-x:auto}a.btn{display:inline-block;text-decoration:none}a.btn.primary{color:var(--accent-ink)}.calc{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:16px 0;display:grid;gap:16px}.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;align-items:end}.calc-result .label{margin:0;color:var(--muted);font-size:.85rem}.calc-result .big{font-size:1.6rem;margin:2px 0 8px}.calc-result .muted{color:var(--muted);font-size:.85rem}@media(max-width:640px){.nav{gap:12px;font-size:.85rem}.nav a:first-child{display:none}}.plan-figure{margin:16px 0;border:1px solid var(--line);border-radius:var(--radius);padding:8px}.plan-figure svg{width:100%;height:auto;display:block}.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 24px}