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h2{letter-spacing:-.01em;margin:0;font-size:1.05rem}.space-card p{margin:0;line-height:1.5}.space-muted{color:var(--atelier-muted);font-size:.88rem}.space-card button,.space-file{border:1px solid var(--atelier-accent);background:var(--atelier-accent);min-height:46px;color:var(--atelier-accent-ink);cursor:pointer;text-align:center;border-radius:12px;justify-content:center;align-items:center;padding:0 18px;font-weight:700;display:inline-flex}.space-card button:disabled{opacity:.5;cursor:not-allowed}.space-card button.space-secondary,.space-file{color:var(--atelier-ink);border-color:var(--atelier-border);background:0 0}.space-card button.space-secondary:hover,.space-file:hover{border-color:var(--atelier-accent)}.space-file input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.space-file{position:relative}.space-file:focus-within{outline:2px solid var(--atelier-accent);outline-offset:2px}.space-form{gap:10px;display:grid}.space-form 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.main-workspace{background:var(--atelier-base);color:var(--atelier-ink)}[data-theme=dark] :is(.local-card,.local-hero,.input-panel,.field-fitting,.field-iso){background:var(--atelier-paper);color:var(--atelier-ink)}[data-theme=dark] :is(input,select,textarea){background:var(--atelier-base);color:var(--atelier-ink)}[data-theme=dark] .local-card button{background:var(--atelier-tint);color:var(--atelier-ink)}[data-theme=dark] .local-card td,[data-theme=dark] .local-card th{border-color:var(--atelier-border)}.local-card td,.local-card th{border-bottom-color:var(--atelier-border)}.project-row{border-bottom:1px solid var(--atelier-border)}@media (width<=560px){.atelier-header button.atelier-theme{display:none}.atelier-brand .atelier-wordmark{width:88px}.atelier-header button{padding:6px 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auto;display:grid}.heat-head h1{letter-spacing:-.02em;margin:2px 0 6px;font-size:clamp(1.5rem,4vw,2.1rem)}.heat-head p{color:var(--atelier-muted);max-width:62ch;margin:0}.heat-eyebrow{letter-spacing:.12em;color:var(--atelier-accent);font-size:.72rem;font-weight:700}.heat-tabs{scrollbar-width:thin;gap:8px;padding:2px 2px 8px;display:flex;overflow-x:auto}.heat-tabs button{text-align:left;border:1px solid var(--atelier-border);background:var(--atelier-paper);min-width:132px;color:var(--atelier-ink);cursor:pointer;font:inherit;border-radius:14px;flex:none;gap:2px;padding:10px 14px;display:grid}.heat-tabs button small{color:var(--atelier-muted);font-size:.72rem}.heat-tabs button[aria-selected=true]{background:var(--atelier-tint);border-color:var(--atelier-accent);box-shadow:inset 0 -3px 0 var(--atelier-accent)}.heat-conditions{border:1px dashed var(--atelier-border);border-radius:14px;flex-wrap:wrap;align-items:flex-end;gap:12px 16px;padding:12px 14px;display:flex}.heat-conditions 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