/* A compact, conversational workbench. Shared appearance tokens remain authoritative. */
body>header{padding:15px max(24px,calc((100% - 1380px)/2));border-bottom:1px solid var(--line)}
main{max-width:1380px;padding:24px 24px 48px}.studio-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}.studio-heading h1{font-size:32px;margin:5px 0;letter-spacing:-1.5px}.studio-heading .eyebrow{font-size:9px;letter-spacing:.15em}.title-dot{color:var(--rust)}.heading-actions{display:flex;gap:16px;align-items:center}.connection-status{font-size:11px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}.connection-status[data-connected=true]::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}.studio-builder{display:grid;grid-template-columns:minmax(290px,.46fr) minmax(0,1fr);gap:24px;align-items:start}.builder-editor{position:static;top:18px;min-width:0}.builder-preview{min-width:0;border:1px solid var(--line);border-radius:18px;background:var(--surface);overflow:hidden;box-shadow:0 8px 30px #222b2405}#calculator-canvas{padding:24px}.chat-heading{display:flex;align-items:center;gap:10px;padding:4px 0 13px}.studio-mark{font-size:31px;color:var(--rust);line-height:1}.chat-heading h2{font-size:16px;margin:0;letter-spacing:-.5px}.chat-heading p{font-size:12px;margin:3px 0 0}.example-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.example-chip{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:7px;font-size:11px;padding:7px 9px;min-height:36px;text-align:left;cursor:pointer}.example-chip:hover{border-color:var(--accent);background:var(--mint)}#conversation{display:flex;flex-direction:column;gap:12px;overflow:visible;padding:3px 2px 10px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.chat-message{font-size:13px;line-height:1.55;margin:0;padding:11px 13px;border-radius:12px;max-width:96%;overflow-wrap:anywhere;white-space:pre-wrap}.chat-message.user{align-self:flex-end;background:var(--mint);color:var(--ink);border-bottom-right-radius:3px}.chat-message.assistant{align-self:flex-start;padding-left:0;padding-right:7px;color:var(--ink);background:transparent}.chat-message.assistant::before{content:'✳';display:block;font-size:18px;color:var(--accent);margin-bottom:3px}.chat-message.pending{color:var(--muted)}#edit-request{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:12px;box-shadow:0 4px 18px #222b2405}#edit-request:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 12%,transparent)}#instruction{display:block;width:100%;padding:1px 0;border:0;background:transparent;color:var(--ink);font:inherit;font-size:13px;line-height:1.6;min-height:85px;max-height:200px;resize:vertical;outline:none}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px}.composer-bottom>span{font-size:10px;color:var(--muted)}.composer-bottom .primary{min-height:38px;padding:8px 13px;gap:12px;font-size:12px}.chat-tools{display:flex;flex-wrap:wrap;align-items:start;justify-content:space-between;gap:0 8px}.quiet-button{background:transparent;border:0;color:var(--accent);font-size:11px;min-height:40px;padding:8px 0;cursor:pointer;text-align:left}.quiet-button:hover{text-decoration:underline}.privacy-note{margin:0;max-width:180px}.privacy-note summary{font-size:10px;font-weight:500;color:var(--muted);min-height:40px;padding-top:12px}.privacy-note p{font-size:10px;margin:0 0 8px}.manual-editor{margin-top:10px;border-top:1px solid var(--line);padding-top:3px}.manual-editor>summary{font-size:11px;color:var(--muted)}.manual-editor>.field{margin-top:10px}.manual-editor input,.manual-editor select,.manual-editor textarea,.goal-fields input,.goal-fields select,.scenario-form input,.sweep-range input{display:block;width:100%;min-height:40px;padding:9px;border:1px solid var(--line);border-radius:7px;margin-top:5px;background:var(--surface);color:var(--ink);font-size:12px}.manual-editor textarea{font:inherit;font-size:12px;resize:vertical;min-height:60px}.visual-toggle{display:flex;align-items:center;gap:8px;font-size:12px;min-height:44px}.visual-toggle input{width:auto}.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}.preview-heading>.eyebrow{font-size:9px;color:var(--accent);white-space:nowrap;display:flex;align-items:center;gap:5px}.live-dot{width:6px;height:6px;background:var(--accent);border-radius:50%}.canvas-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:end}.canvas-actions .secondary{min-height:34px;padding:5px 12px;font-size:11px}.canvas-actions .quiet-button{min-height:34px}#revision{font-size:10px;color:var(--muted)}#preview-title{font-size:26px;margin:0 0 6px;letter-spacing:-.9px;overflow-wrap:anywhere}#preview-description{font-size:12px;line-height:1.6;max-width:70ch;margin:0 0 18px}.result-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:8px;margin:12px 0 23px}.result-card{background:var(--paper);padding:14px;border-radius:10px;min-width:0;border:1px solid var(--line)}.result-card.primary-result{background:var(--accent);border-color:var(--accent);color:var(--surface)}.result-card p{font-size:10px;font-weight:600;margin:0;color:inherit;opacity:.8}.result-card strong{display:block;font-size:26px;letter-spacing:-.8px;line-height:1.25;margin-top:7px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.result-card small{font-size:11px;letter-spacing:0;font-weight:500;margin-left:3px}.result-empty{grid-column:1/-1;padding:13px;background:var(--mint);border-radius:8px;font-size:12px}.canvas-section-label{display:flex;justify-content:space-between;align-items:center;margin:0 0 10px}.canvas-section-label h3,.explore-heading h3{font-size:13px;margin:0;letter-spacing:-.2px}.canvas-section-label>span{font-size:10px;color:var(--muted)}#preview-fields{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 16px}.input-field{min-width:0}.field-topline{display:flex;justify-content:space-between;gap:5px;min-height:16px;align-items:baseline}.field-topline label{font-size:11px;font-weight:650;line-height:1.35}.field-topline span{font-size:9px;color:var(--muted);flex-shrink:0}.input-field .input-row{padding:0;border-radius:7px;gap:0}.input-field .input-row input{font-size:17px;padding:8px 2px;min-height:40px;text-align:center}.input-field .adjust{min-height:38px;width:26px;font-size:16px;background:transparent;border-radius:0}.input-field .adjust:hover{background:var(--mint)}.input-slider{display:block;width:100%;height:18px;margin:5px 0 0;accent-color:var(--accent);cursor:pointer}.input-slider:disabled{opacity:.4}.slider-endpoints{display:flex;justify-content:space-between;font-size:8px;color:var(--muted)}.explore-panel{border:1px solid var(--line);background:var(--paper);border-radius:12px;margin-top:22px;padding:15px 16px 12px}.explore-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.explore-heading .eyebrow{font-size:8px;margin:0 0 5px;color:var(--rust)}.explore-heading h3{font-size:15px}.explore-heading select{min-width:0;max-width:46%;min-height:36px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-size:11px;border-radius:6px;padding:7px}#sweep-chart{margin:12px -4px 0}.sweep-svg{display:block;width:100%;height:auto;max-height:230px;overflow:visible}.sweep-svg text{font-family:inherit;fill:var(--muted);font-size:10px}.sweep-svg .plot-label{fill:var(--ink);font-weight:650}.sweep-range{display:flex;align-items:end;gap:8px;max-width:270px}.sweep-range label{font-size:9px;color:var(--muted);flex:1;min-width:0}.sweep-range input{font-size:11px;min-height:32px;padding:6px 8px;margin-top:3px}.sweep-range>span{font-size:10px;margin-bottom:8px;color:var(--muted)}#sweep-note{font-size:10px;margin:7px 0 0}.advanced-section{border-top:1px solid var(--line);margin-top:15px;padding-top:1px}.advanced-section>summary{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;min-height:44px;padding-top:0;list-style:none}.advanced-section>summary::after{content:'+';color:var(--muted);font-size:16px;font-weight:400}.advanced-section[open]>summary::after{content:'−'}.advanced-section>summary::-webkit-details-marker{display:none}.detail-hint{font-size:9px;font-weight:400;color:var(--muted);margin-left:auto}.goal-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.goal-fields>.field{font-size:10px}#goal-result{font-size:12px}.scenario-form{display:flex;gap:8px;margin:3px 0 14px;align-items:center}.scenario-form input{margin:0;min-width:0}.scenario-form button{font-size:11px;white-space:nowrap;min-height:40px;padding:8px 11px}.table-scroll{overflow:visible;max-width:100%;scrollbar-width:thin}.comparison-table{border-collapse:collapse;width:100%;font-size:11px;text-align:left}.comparison-table th,.comparison-table td{padding:10px 7px;border-bottom:1px solid var(--line);vertical-align:top}.comparison-table th{font-size:10px;color:var(--muted);font-weight:500}.comparison-table td strong{font-size:12px;display:block;white-space:nowrap}.comparison-table td small{display:block;font-size:9px;color:var(--muted);margin-top:3px}.comparison-table button{min-height:32px;padding:5px 8px;font-size:10px}.scenario-actions{display:flex;gap:6px;align-items:center}.count-badge{font-size:9px;background:var(--mint);padding:3px 6px;border-radius:5px;margin-left:5px}.sensitivity-row{display:grid;grid-template-columns:minmax(0,1fr) 1fr;gap:12px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:11px}.sensitivity-row strong{font-size:11px;font-weight:650}.sensitivity-row span{font-size:10px;color:var(--muted);text-align:right}.method{background:transparent;border-left:0;border-right:0;border-bottom:0;border-radius:0;padding:0}.method p{font-size:11px;overflow-wrap:anywhere}.visual-panel:empty{display:none}.visual-panel .live-diagram{height:130px}.canvas-empty{min-height:570px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:38px 24px;background:radial-gradient(ellipse at 50% 32%,var(--mint),transparent 70%)}.canvas-empty h2{max-width:340px;font-size:22px;line-height:1.3;letter-spacing:-.65px;margin:25px 0 9px}.canvas-empty>p{font-size:12px;line-height:1.7}.empty-illustration{position:relative;padding:15px 30px 28px;max-width:100%}.mini-calculator{border:1px solid var(--line);border-bottom:4px solid var(--line);border-radius:15px;padding:19px 20px 15px;width:214px;background:var(--surface);transform:rotate(-6deg);box-shadow:12px 16px 0 color-mix(in srgb,var(--mint) 75%,transparent);text-align:left}.mini-heading{font-size:7px;letter-spacing:1.2px;color:var(--muted)}.mini-calculator strong{font-size:32px;letter-spacing:-2px;display:block;color:var(--ink);margin:8px 0 10px}.mini-calculator strong>span{color:var(--rust)}.mini-bars{height:42px;display:flex;gap:7px;align-items:end;padding:0 2px 7px;border-bottom:1px solid var(--line)}.mini-bars i{background:var(--accent);opacity:.7;flex:1;min-width:0;height:28%}.mini-bars i:nth-child(2){height:45%}.mini-bars i:nth-child(3){height:39%}.mini-bars i:nth-child(4){height:60%}.mini-bars i:nth-child(5){height:78%}.mini-bars i:nth-child(6){height:100%;background:var(--rust);opacity:1}.mini-grid{display:flex;gap:7px;margin-top:12px}.mini-grid span{flex:1;padding:7px 0;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:5px;font-size:15px}.mini-grid span:last-child{background:var(--accent);color:var(--surface)}.floating-label{position:absolute;bottom:2px;right:0;font-size:9px;border:1px solid var(--line);background:var(--gold);padding:7px 10px;border-radius:4px;transform:rotate(3deg);max-width:100%;color:var(--ink)}.empty-capabilities{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:20px;font-size:9px;color:var(--muted)}.empty-capabilities span::before{content:'✓';color:var(--accent);margin-right:4px}.library-section{padding:21px 24px;background:transparent;margin-top:24px}.library-section h2{font-size:19px;margin:0}.library-section .eyebrow{font-size:8px;margin:0 0 5px}.builder-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-top:1px solid var(--line)}.builder-row:first-child{margin-top:12px}.builder-row strong{font-size:13px}.builder-row p{font-size:11px;margin-bottom:0}.builder-row .actions{margin:0}.builder-row button{font-size:11px;min-height:38px;padding:7px 12px}.review-badge{display:inline-block;font-size:9px;padding:4px 6px;border:1px solid var(--line);border-radius:4px;margin-top:5px}.import-control{cursor:pointer;font-size:11px}.field-config{padding:10px 0;border-top:1px solid var(--line)}.config-row{display:grid;grid-template-columns:1fr 1fr;gap:6px}.config-row>.field:first-child{grid-column:1/-1}.field-config input,.field-config select{min-width:0;font-size:11px}.field-config label{font-size:10px}#builder-status{font-size:11px;color:var(--accent);margin:8px 0;min-height:0;overflow-wrap:anywhere}#builder-status:empty{display:none}button[disabled]{opacity:.45;cursor:default}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}dialog{max-width:650px;width:calc(100% - 32px);border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);padding:24px}dialog::backdrop{background:#111b1680}dialog pre{white-space:pre-wrap;word-break:break-word;background:var(--paper);padding:14px;font-size:12px;border-radius:8px;overflow:visible;}footer{display:flex;justify-content:space-between;gap:20px;font-size:10px}footer>span{font-size:9px}
@media(min-width:1100px){.builder-editor{max-width:370px}.result-card.primary-result strong{font-size:30px}}
@media(max-width:1000px){.studio-builder{grid-template-columns:minmax(260px,.6fr) minmax(0,1fr);gap:18px}#preview-fields{grid-template-columns:repeat(2,minmax(0,1fr))}#calculator-canvas{padding:18px}.preview-heading{flex-wrap:wrap;gap:4px}.canvas-actions{gap:8px}.canvas-empty{min-height:560px}}
@media(max-width:760px){body>header{padding:12px 16px;flex-wrap:wrap}.retro-controls{order:2}body>header nav{order:3;flex-basis:100%;gap:16px}.studio-heading{gap:8px;margin-bottom:18px}.studio-heading h1{font-size:26px}.studio-heading .eyebrow{font-size:7px}.heading-actions{gap:8px}.heading-actions .secondary{padding:7px 10px;min-height:36px;font-size:11px}.connection-status{font-size:0}.connection-status::before{width:7px!important;height:7px!important}main{padding:18px 14px 40px}.studio-builder{grid-template-columns:1fr;gap:16px}.builder-editor{position:static}.chat-heading{padding-top:0}.chat-heading h2{font-size:15px}.example-list{margin-bottom:10px}.example-chip{min-height:38px}#conversation{gap:8px}.chat-message{font-size:12px;padding:9px 11px}.chat-message.assistant::before{display:inline;margin-right:6px;font-size:15px}#instruction{min-height:57px;font-size:13px}.composer-bottom{margin-top:3px}#edit-request{padding:10px 12px}.chat-tools{align-items:start}.manual-editor{margin-top:2px}.manual-editor>summary{min-height:36px;padding-top:8px}.builder-preview{border-radius:13px}#calculator-canvas{padding:16px}.canvas-empty{min-height:400px;padding:25px 16px}.empty-illustration{transform:scale(.86);margin:-12px 0 -15px}.canvas-empty h2{font-size:20px;max-width:280px}.preview-heading{margin-bottom:12px}.preview-heading>.eyebrow{font-size:8px}#preview-title{font-size:23px}.result-cards{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:6px;margin-bottom:18px}.result-card{padding:11px}.result-card strong{font-size:24px}.result-card small{font-size:9px}.result-card p{font-size:9px}#preview-fields{gap:12px}.explore-panel{padding:13px 12px 10px}.explore-heading h3{font-size:13px}.explore-heading select{max-width:46%;font-size:10px;padding:6px}.sweep-svg{max-height:190px}.detail-hint{display:none}.library-section{padding:17px 16px}.builder-row{align-items:start;flex-wrap:wrap}.library-section .section-heading{flex-wrap:wrap;align-items:center}.library-section .section-heading button{margin:0}.scenario-form{flex-wrap:wrap}.scenario-form input{flex:1;flex-basis:160px}.scenario-form button{flex-shrink:0}footer{display:block}footer>span{display:block;margin-top:7px}}
@media(max-width:360px){main{padding-left:10px;padding-right:10px}#calculator-canvas{padding:12px}#preview-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.field-topline{flex-wrap:wrap;gap:1px;min-height:29px;align-content:start}.field-topline label{font-size:10px}.input-field .adjust{width:23px}.input-field .input-row input{font-size:16px}.canvas-actions{gap:8px}.canvas-actions #revision{display:none}.result-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.result-card.primary-result{grid-column:1/-1}.result-card.primary-result strong{font-size:28px}.result-card strong{font-size:22px}.studio-heading h1{font-size:24px}.explore-heading{gap:7px}.explore-heading .eyebrow{font-size:7px}.goal-fields{gap:8px}.empty-capabilities{gap:9px}.comparison-table th,.comparison-table td{padding:8px 5px}.canvas-empty{padding-left:9px;padding-right:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.result-card{container-type:inline-size}.result-card strong,.result-card.primary-result strong{font-size:clamp(18px,17cqi,29px);white-space:nowrap;letter-spacing:-.65px}.result-card small{display:block;margin:3px 0 0;font-size:9px;line-height:1.2;letter-spacing:.02em}.sensitivity-row strong small{display:block;font-size:9px;font-weight:400;color:var(--muted);margin-top:3px}

/* UX refinement: work first, assistance close by. */
[hidden]{display:none!important}.icon-definitions{position:absolute;overflow:hidden;pointer-events:none}.icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}.skip-link{position:fixed;left:16px;top:-100px;z-index:100;background:var(--surface);padding:14px;color:var(--ink)}.skip-link:focus{top:12px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button,summary,a,input,select,textarea{scroll-margin-block:90px}body>header{padding-top:10px;padding-bottom:10px}main{padding-top:16px;max-width:1520px}.studio-heading{margin-bottom:16px;align-items:center}.studio-heading>div:first-child{display:flex;align-items:center;gap:14px}.studio-heading h1{font-size:25px;letter-spacing:-1px;margin:0}.studio-heading .eyebrow{font-size:11px;margin:0;padding-right:14px;border-right:1px solid var(--line)}.heading-actions{gap:12px}.heading-actions .secondary{min-height:44px;font-size:13px}.connection-status{font-size:12px}.studio-builder{grid-template-columns:minmax(275px,.36fr) minmax(0,1fr);gap:22px}#editor-mount{min-width:0;align-self:stretch}.builder-editor{max-width:none;top:16px}.builder-preview{border-radius:14px;box-shadow:0 4px 20px color-mix(in srgb,var(--ink) 3%,transparent)}#calculator-canvas{padding:20px}.chat-heading{padding-bottom:10px;gap:12px}.studio-mark.icon{width:26px;height:26px;color:var(--rust)}.chat-heading h2{font-size:18px;letter-spacing:-.4px}.chat-heading p{font-size:13px;line-height:1.5}.starter-examples{border-bottom:1px solid var(--line);margin:0 0 12px}.starter-examples summary{font-size:13px;min-height:44px;color:var(--muted);padding:12px 0;cursor:pointer}.example-list{gap:8px;margin:0 0 12px}.example-chip{display:flex;align-items:center;gap:8px;min-height:44px;padding:8px 10px;font-size:12px;width:100%;border-radius:8px}.example-chip .icon{width:18px;height:18px}.chat-message{font-size:14px;padding:10px 12px;line-height:1.55;max-width:100%}.chat-message.assistant::before{content:none}.chat-message.assistant{padding:10px 4px}#conversation{gap:9px;padding-bottom:12px}.composer-label{display:block;font-size:12px;font-weight:650;margin:0 0 6px;color:var(--ink)}#edit-request{padding:12px;border-radius:10px}#instruction{font-size:14px;min-height:72px;line-height:1.5}.composer-bottom>span{font-size:11px}.composer-bottom .primary{min-height:44px;font-size:13px;padding-inline:16px}.chat-tools{gap:8px}.quiet-button{font-size:12px;min-height:44px}.privacy-note summary{font-size:12px;min-height:44px}.privacy-note p{font-size:12px;line-height:1.5}.manual-editor>summary{font-size:12px;min-height:44px;cursor:pointer}#builder-status{font-size:13px}.preview-heading{margin-bottom:12px}.preview-heading>.eyebrow{font-size:11px;letter-spacing:.08em}.canvas-actions{gap:8px}.canvas-actions .secondary,.canvas-actions .quiet-button{min-height:44px;font-size:12px}.canvas-actions .secondary{padding:9px 14px}.save-state{font-size:11px;color:var(--muted);max-width:150px}#revision{font-size:11px;padding:3px 6px;border:1px solid var(--line);border-radius:5px}#preview-title{font-size:25px;margin-bottom:4px;line-height:1.2}#preview-description{font-size:13px;margin:0 0 14px;line-height:1.5}.result-cards{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.result-card{flex:1 1 116px;padding:12px;min-height:88px;border-radius:9px}.result-card.primary-result{flex-grow:1.35}.result-card p{font-size:12px;line-height:1.35;opacity:1;font-weight:500}.result-card strong{font-size:clamp(19px,15cqi,25px);margin-top:6px}.result-card.primary-result strong{font-size:clamp(23px,19cqi,32px)}.result-card small{font-size:11px;line-height:1.2;margin-top:4px}.work-area{display:grid;grid-template-columns:1fr;gap:20px}.inputs-panel{min-width:0}.canvas-section-label h3{font-size:15px}.canvas-section-label>span{font-size:12px}#preview-fields{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.field-topline{min-height:34px;gap:6px;align-items:start}.field-topline label{font-size:12px;line-height:1.4}.field-topline span{font-size:11px;line-height:1.4}.input-field .input-row{min-height:44px;border-radius:8px}.input-field .input-row input{font-size:16px;padding:8px 0;min-height:44px;min-width:0}.input-field .adjust{min-height:44px;min-width:36px;width:36px;font-size:18px}.input-slider{height:24px;margin-top:3px}.slider-endpoints{font-size:10px}.field-error{font-size:12px;color:var(--rust);margin:5px 0 0;line-height:1.4}.input-row:has(input[aria-invalid=true]){border-color:var(--rust);box-shadow:0 0 0 1px var(--rust)}.explore-panel{min-width:0;margin:0;padding:14px;border-radius:10px}.explore-heading{flex-wrap:wrap;gap:9px}.explore-heading .eyebrow{font-size:10px;letter-spacing:.08em}.explore-heading h3{font-size:16px}.explore-heading select{font-size:12px;min-height:44px;max-width:56%;padding:8px}.sweep-range{margin-top:12px;max-width:none}.sweep-range label{font-size:12px}.sweep-range input{font-size:14px;min-height:44px;padding:8px}.sweep-range>span{font-size:12px}#sweep-note{font-size:12px;line-height:1.5}.sweep-svg{max-height:none}.sweep-svg text{font-size:12px}.sweep-inspector{display:grid;gap:6px;margin-top:6px}.sweep-point-reading{font-size:13px;font-variant-numeric:tabular-nums;min-height:38px;line-height:1.5;color:var(--ink);margin:0}.sweep-point-control{min-width:0;display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}.sweep-point-control input{flex:1;min-width:0;height:28px;accent-color:var(--rust)}.sweep-data{margin-top:4px}.sweep-data summary{font-size:12px;min-height:44px;padding:12px 0;cursor:pointer}.sweep-data-scroll{overflow:visible;}.sweep-data table{border-collapse:collapse;width:100%;font-size:12px}.sweep-data th,.sweep-data td{padding:7px;border-bottom:1px solid var(--line);text-align:right}.analysis-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:18px}.analysis-shortcuts button{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;padding:10px 8px;min-height:46px;background:var(--surface);color:var(--accent);border:1px solid var(--line);border-radius:8px;cursor:pointer}.analysis-shortcuts button:hover{background:var(--mint);border-color:var(--accent)}.advanced-section{margin-top:12px}.advanced-section>summary{font-size:13px;min-height:48px;cursor:pointer}.detail-hint{font-size:12px}.goal-fields>.field{font-size:13px}.goal-fields input,.goal-fields select,.manual-editor input,.manual-editor select,.scenario-form input{font-size:14px;min-height:44px}.manual-editor label{font-size:12px}.scenario-form button{font-size:12px;min-height:44px}.comparison-table{font-size:13px}.comparison-table th{font-size:12px}.comparison-table td strong{font-size:13px}.comparison-table td small{font-size:11px}.comparison-table button{min-height:44px;font-size:12px}.scenario-actions{gap:8px}.scenario-actions .quiet-button{min-width:44px;text-align:center}.sensitivity-row strong{font-size:13px}.sensitivity-row strong small,.sensitivity-row span{font-size:12px}.method p{font-size:13px;line-height:1.6}.subtle{font-size:12px}.builder-row strong{font-size:14px}.builder-row p{font-size:12px}.builder-row button,.import-control{font-size:13px;min-height:44px}.library-section{padding:20px 0;border:0}.library-section .eyebrow{font-size:11px}.library-section h2{font-size:20px}#recent-drafts>summary{font-size:13px;min-height:44px;cursor:pointer}#share-status{font-size:14px;color:var(--rust)}.mobile-refine-bar{display:none}#refine-dialog{padding:0;max-width:520px;max-height:calc(100dvh - 32px);width:calc(100% - 24px);overflow:auto;border-radius:16px}.drawer-heading{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;background:var(--surface);border-bottom:1px solid var(--line)}.drawer-heading h2{font-size:17px;margin:0}.drawer-heading button{min-height:44px;padding:10px 16px}#mobile-editor{padding:16px}.canvas-empty{min-height:480px}.canvas-empty>p{font-size:14px}.empty-capabilities{font-size:12px}.floating-label{font-size:11px}footer,footer>span{font-size:12px}
@media(min-width:1180px){.work-area{grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:18px}#preview-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.explore-heading select{max-width:100%;width:100%}.explore-heading>div{display:flex;gap:10px;align-items:center}.explore-heading .eyebrow{margin:0}.explore-panel{align-self:start}.sweep-range{margin-top:8px}.explore-panel #sweep-chart{margin-top:5px}.sweep-data{margin-bottom:-4px}}
@media(min-width:761px) and (max-width:1179px){.studio-builder{grid-template-columns:270px minmax(0,1fr);gap:16px}#preview-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.save-state{display:none}}
@media(max-width:760px){body>header{padding:10px 14px}body>header nav{gap:12px;font-size:13px}main{padding:14px 12px calc(90px + env(safe-area-inset-bottom))}.studio-heading{margin-bottom:14px}.studio-heading>div:first-child{display:block}.studio-heading .eyebrow{display:none}.studio-heading h1{font-size:23px}.heading-actions .secondary{font-size:12px;min-height:44px;padding:9px}.connection-status{display:none}.studio-builder{grid-template-columns:1fr;gap:14px}body[data-calculator-active=true] #editor-mount{display:none}.builder-editor{position:static}.mobile-refine-bar:not([hidden]){display:flex;justify-content:space-between;align-items:center;gap:12px;position:fixed;bottom:0;left:0;right:0;z-index:20;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -4px 18px color-mix(in srgb,var(--ink) 6%,transparent)}.mobile-refine-bar>div{min-width:0;flex:1}.mobile-refine-bar span{display:block;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}.mobile-refine-bar strong{font-size:19px;font-variant-numeric:tabular-nums;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-refine-bar button{min-height:46px;font-size:13px;display:flex;align-items:center;gap:8px;padding:10px 13px}.mobile-refine-bar .icon{width:17px;height:17px}.preview-heading{gap:8px;flex-wrap:nowrap;align-items:center}.preview-heading>.eyebrow{font-size:10px}.canvas-actions #revision,.canvas-actions .save-state{display:none}.canvas-actions{gap:10px}.canvas-actions .quiet-button{font-size:11px;white-space:nowrap}.canvas-actions .secondary{min-height:44px;padding:8px 11px}.result-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.result-card{min-height:76px;padding:11px}.result-card.primary-result{grid-column:1/-1;min-height:84px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}.result-card.primary-result p{font-size:14px}.result-card.primary-result strong{font-size:29px;margin:0}.result-card strong{font-size:23px}.result-card small{font-size:11px}.result-card p{font-size:12px}.result-card.primary-result small{text-align:right}#calculator-canvas{padding:14px}#preview-title{font-size:22px}#preview-description{font-size:13px}.work-area{gap:16px}#preview-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field-topline label{font-size:12px}.field-topline span{font-size:11px}.input-field .adjust{min-width:36px;width:36px}.input-slider{height:32px}.analysis-shortcuts{gap:6px}.analysis-shortcuts button{flex-direction:column;font-size:12px;gap:5px;padding:9px 4px;min-height:70px;line-height:1.35}.analysis-shortcuts .icon{width:19px;height:19px}.advanced-section>summary{font-size:13px}.detail-hint{display:none}.explore-heading select{font-size:12px;max-width:54%}.comparison-table{min-width:440px}.table-scroll{padding-bottom:4px}.builder-row{gap:10px}.privacy-note{max-width:180px}.privacy-note summary{font-size:12px}.chat-message{font-size:14px}#instruction{font-size:16px;min-height:80px}#conversation{}.chat-heading{display:none}#starter-examples{margin-top:0}.canvas-empty{min-height:350px}.empty-capabilities{font-size:11px;gap:12px}.canvas-empty h2{margin-top:15px}.canvas-empty>p{font-size:13px}.library-section{margin-top:20px}.goal-fields{gap:12px}.goal-fields input,.goal-fields select,.scenario-form input{font-size:16px}.composer-bottom>span{font-size:11px}.drawer-heading{padding:10px 14px}#mobile-editor{padding:14px}#refine-dialog .manual-editor>summary{min-height:44px}}
@media(max-width:360px){.studio-heading h1{font-size:21px}.heading-actions .secondary{max-width:108px;font-size:11px}.input-field .adjust{min-width:30px;width:30px}.input-field .input-row input{font-size:16px}.field-topline{min-height:35px}.canvas-actions .quiet-button{font-size:11px}.result-card.primary-result{display:block}.result-card.primary-result strong{font-size:27px;margin-top:5px}.result-card.primary-result small{text-align:left}#calculator-canvas{padding:12px}.mobile-refine-bar{padding-inline:12px}.mobile-refine-bar button{font-size:12px;padding-inline:11px}.mobile-refine-bar strong{font-size:17px}}
@media(pointer:coarse){.input-field .adjust{width:44px;min-width:44px}.input-field .input-row{overflow:hidden}.input-slider{height:36px}.sweep-point-control input{height:36px}}
@media(prefers-reduced-motion:no-preference){button,summary{transition:background-color 150ms ease,border-color 150ms ease}.builder-preview{animation:studio-appear 160ms ease-out}@keyframes studio-appear{from{opacity:.6;transform:translateY(3px)}to{opacity:1;transform:none}}}
.point-preview-label{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.sweep-svg text{font-size:22px}.sweep-data caption{text-align:left;font-size:12px;padding:8px 0;line-height:1.4}.sweep-point-control{flex-wrap:wrap}.sweep-point-control span{flex-basis:100%}.sweep-point-control input{flex-basis:100%;margin:0}.sweep-inspector{gap:3px}.sweep-point-reading{font-size:13px}#sweep-chart{margin-bottom:0}.inputs-panel .field-error:empty{display:none}
body:has(dialog[open]){overflow:hidden}.analysis-shortcuts button:focus-visible{outline-offset:2px}#goal-section,#scenarios-section,#method-section{scroll-margin-top:20px;scroll-margin-bottom:100px}
.field-topline span{font-size:12px}.save-state{font-size:12px}.sweep-point-control{color:var(--ink)}@media(max-width:760px){.input-field .adjust{width:44px;min-width:44px}.field-topline span{font-size:12px}}
#workspace-status{font-size:13px;color:var(--accent);line-height:1.5;padding:10px 12px;background:var(--mint);border-radius:7px;margin:0 0 12px}#workspace-status:empty{display:none}
.sweep-svg text{font-size:28px}
/* Document flow instead of independently scrolling chat/data panes. */
#conversation,#conversation:has(.route-card),#conversation:has(.definition-card),#refine-dialog #conversation:has(.route-card),#refine-dialog #conversation:has(.definition-card){max-height:none;min-height:0;overflow:visible}.builder-editor{position:static}.conversation-history>summary{cursor:pointer;font-size:12px;min-height:44px;padding:12px 0;color:var(--muted)}.conversation-history .chat-message{margin:8px 0}.sweep-data-scroll,.table-scroll{max-height:none;overflow:visible}dialog pre{max-height:none;overflow:visible}.comparison-table{min-width:0;width:100%}@media(max-width:620px){.comparison-table thead{display:none}.comparison-table,.comparison-table tbody,.comparison-table tr,.comparison-table td{display:block;width:100%}.comparison-table tr{border-bottom:1px solid var(--line);padding:10px 0}.comparison-table td{padding:4px 0;border:0}.comparison-table td:first-child{font-weight:800}.scenario-actions{justify-content:flex-start}.scenario-actions button{min-height:44px}.sweep-data-scroll table{table-layout:fixed;width:100%;min-width:0}.sweep-data-scroll th,.sweep-data-scroll td{overflow-wrap:anywhere;font-size:11px}}

.share-definition{border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:16px;margin:16px 0}.share-definition h3{font-size:21px;margin:0 0 8px}.share-definition p{font-size:13px;line-height:1.5}.share-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.share-columns h4{margin:12px 0 6px;font-size:13px}.share-columns ul{padding-inline-start:18px;margin:0}.share-columns li{font-size:13px;line-height:1.5;margin:6px 0}.share-definition details{margin-top:14px;border-top:1px solid var(--line)}.share-definition summary{min-height:44px;font-size:13px;cursor:pointer;padding:12px 0}@media(max-width:400px){.share-columns{grid-template-columns:1fr;gap:4px}.share-definition{padding:12px}}

/* Mode selects use the existing numeric-control dimensions and tokens. */
.input-field>select{display:block;width:100%;min-height:44px;padding:8px 10px;margin-top:5px;border:2px solid var(--ink);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px;font-weight:650}

.decimal-text-field{grid-column:1/-1}.decimal-text-field>input{display:block;width:100%;min-height:48px;border:2px solid var(--ink);border-radius:10px;padding:10px 12px;background:var(--surface);color:var(--ink);font-size:18px;font-variant-numeric:tabular-nums}
body[data-rational-calculator=true] .work-area{grid-template-columns:minmax(0,1fr)}
body[data-rational-calculator=true] .result-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.rational-result.primary-result{grid-column:1/-1}
body[data-rational-calculator=true] .analysis-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}
.rational-result strong{overflow-wrap:anywhere;max-width:100%}.exact-result-details{grid-column:1/-1}.exact-result-details .actions{align-items:center}.exact-result-details [role=status]{font-size:13px;color:var(--muted)}.exact-result-details .rational-steps p{white-space:pre-wrap}
.comparison-table .rational-exact{display:block;max-width:100%}
@media(max-width:760px){.result-card.primary-result.rational-result{display:block}.rational-result strong{font-size:25px}.result-card.primary-result.rational-result strong{font-size:28px}.mobile-refine-bar strong.rational-exact{font-size:17px;overflow:visible;overflow-wrap:anywhere}.decimal-text-field>input{font-size:18px}body[data-rational-calculator=true] main{padding-bottom:calc(150px + env(safe-area-inset-bottom))}}

@media(max-width:760px){.exact-result-details>.actions{margin-top:0}.exact-result-details>.rational-steps{margin-top:0}.exact-result-details>.rational-steps>summary{padding-block:8px}.result-card.rational-secondary{grid-column:1/-1;display:grid;grid-template-columns:108px minmax(0,1fr);align-items:baseline;gap:12px;min-height:0;padding:9px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}.result-card.rational-secondary p{font-size:12px;line-height:1.4}.result-card.rational-secondary strong{margin:0;font-size:16px;font-weight:650;line-height:1.45;letter-spacing:0}}