/* Hallmark · component: interactive evidence workbench · existing white workshop theme
 * pre-emit critique: P5 H4 E4 S5 R4 V5 · structural variety through five working interactions.
 */
#research{--prompt-outline:var(--color-rule);--prompt-shadow:var(--color-veil);font-family:var(--font-body)}
#research [hidden]{display:none!important}#research:focus{outline:none}
html:has(#research.active),body:has(#research.active){overflow-x:clip}
body:not(.is-editing) #deck:has(>.research-lab.active){overflow:clip;scrollbar-gutter:auto}
body:not(.is-editing) #deck>.research-lab.active{height:calc(100dvh - var(--nav) - 2 * var(--frame));min-height:0;overflow:clip;padding:74px clamp(24px,4vw,72px) 22px;gap:var(--space-lg);background:var(--color-paper)}
#research .lab-heading{display:flex;justify-content:space-between;align-items:end;gap:var(--space-md);flex:none}
#research .lab-eyebrow{font-size:var(--text-label);font-weight:550;color:var(--color-muted);margin-bottom:var(--space-xs);letter-spacing:-.02em}
#research .lab-heading h2{font:780 var(--text-display)/1.16 var(--font-display);font-style:normal;letter-spacing:-.055em;overflow-wrap:anywhere;min-width:0}
#research .lab-counter{font-size:20px;font-variant-numeric:tabular-nums;letter-spacing:-.02em;white-space:nowrap;color:var(--color-muted);padding-bottom:var(--space-2xs)}
#research .lab-counter b{font-weight:650;color:var(--color-ink)}
#research .lab-stage{position:relative;flex:1;min-height:0;container-type:size;isolation:isolate}
#research .lab-act{height:100%;min-height:0;min-width:0;animation:lab-enter var(--dur-scene) var(--ease-out) both}
#research .lab-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
#research .lab-micro{font-size:var(--text-label);line-height:1.3;font-weight:550;letter-spacing:-.015em;color:var(--color-muted)}
#research button{font-family:var(--font-body);border-color:var(--color-rule);background:var(--color-paper);box-shadow:none;letter-spacing:-.025em}
#research button:focus-visible,#research [tabindex]:focus-visible,#research textarea:focus-visible,#research input:focus-visible{outline:3px solid var(--color-focus);outline-offset:5px}
#research button:hover{border-color:var(--color-accent)}
#research .lab-bottom{flex:none;display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);border-top:1px solid var(--color-rule);padding-top:var(--space-sm)}
#research .lab-chapters{display:flex;gap:var(--space-lg);min-width:0}
#research .lab-chapters button{border:0;border-bottom:2px solid transparent;padding:var(--space-xs) 0;min-height:44px;font-size:18px;font-weight:650;white-space:nowrap;color:var(--color-muted);position:relative}
#research .lab-chapters button span{font-size:12px;font-weight:500;letter-spacing:0;margin-right:var(--space-xs)}
#research .lab-chapters button[aria-selected=true]{color:var(--color-accent);border-bottom-color:var(--color-accent)}
#research .lab-tools{display:flex;gap:var(--space-lg);align-items:center}
#research .lab-tools>button,#research .research-tip-trigger{border:0;font-size:var(--text-label);white-space:nowrap;padding:var(--space-xs) 0;min-height:44px}
#research .lab-tools>button span{margin-left:var(--space-xs)}
#research .research-tip-trigger{font-weight:800;font-size:20px}
#research .research-tip-widget{position:relative}
#research .prompt-tip-panel{background:var(--color-paper);border-color:var(--color-rule);box-shadow:var(--shadow-paper);max-width:calc(100vw - 70px)}
#research .prompt-tip-panel>p:not(.prompt-tip-heading){font-size:21px;line-height:1.6;margin-bottom:var(--space-md)}
#research .prompt-tip-panel>a{font-size:15px;color:var(--color-muted)}
/* 01 — a working request, followed by the stored source-backed example. */
#research .lab-search{display:grid;align-content:center;position:relative;gap:var(--space-lg)}
#research .lab-search-form{display:flex;align-items:end;gap:var(--space-md);width:min(1030px,100%);margin:auto;border-bottom:1px solid var(--color-ink);padding-bottom:var(--space-lg);transition:transform var(--dur-scene) var(--ease-out)}
#research .lab-search-form textarea{font:550 clamp(28px,3.2vw,52px)/1.35 var(--font-body);padding:0;min-height:0;height:2.8em;resize:none;border:0;outline:none;background:transparent;letter-spacing:-.04em;overflow:hidden;flex:1;min-width:0}
#research .lab-search-send{width:58px;height:58px;min-width:58px;min-height:58px;border-radius:var(--radius-round);border:0;padding:15px;background:var(--color-ink);color:var(--color-paper);transition:transform var(--dur-short) var(--ease-out)}
#research .lab-search-send:hover{transform:translateY(-4px)}
#research .lab-search-send svg{fill:none;stroke:currentColor;stroke-width:1.8;width:100%;height:100%;stroke-linecap:round;stroke-linejoin:round}
#research .lab-search-run{display:none;align-items:center;gap:var(--space-md);max-width:620px;width:70%;margin:auto;font-size:var(--text-label);font-weight:650}
#research .lab-search-run i{flex:1;height:1px;background:var(--color-accent);transform-origin:left;animation:lab-grow 600ms var(--ease-out) both}
#research .lab-search-run i:nth-of-type(2){animation-delay:350ms}
#research .lab-search[data-search=busy] .lab-search-run{display:flex}
#research .lab-search[data-search=busy] .lab-search-send{transform:rotate(90deg)}
#research .lab-search[data-search=done]{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:var(--space-2xl)}
#research .lab-search[data-search=done] .lab-search-form{border-bottom-color:var(--color-rule);padding-bottom:var(--space-md);gap:var(--space-sm);margin:0}
#research .lab-search[data-search=done] textarea{font-size:clamp(21px,2vw,32px);height:4.2em;color:var(--color-muted)}
#research .lab-search[data-search=done] .lab-search-send{width:44px;height:44px;min-width:44px;min-height:44px;padding:11px}
#research .lab-search-answer{min-width:0;animation:lab-rise var(--dur-scene) var(--ease-out) both}
#research .lab-search-answer h3{font-size:clamp(28px,2.8vw,48px);line-height:1.2;letter-spacing:-.045em;margin:var(--space-sm) 0}
#research .lab-search-answer h3 span{color:var(--color-accent)}
#research .lab-search-answer>p:not(.lab-micro){font-size:clamp(18px,1.5vw,26px);line-height:1.5;margin-bottom:var(--space-md)}
#research .lab-source-stamp{border:0;border-top:1px solid var(--color-rule);width:100%;text-align:left;padding:var(--space-sm) 0;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-sm);font-size:14px;font-weight:600}
#research .lab-source-stamp span{color:var(--color-muted);font-weight:400}#research .lab-source-stamp b{margin-left:auto;font-weight:650;color:var(--color-accent)}
/* 02 — claims are handles; the connection is real SVG geometry. */
#research .lab-link-map{position:relative;height:100%;display:flex;flex-direction:column;justify-content:space-between;gap:var(--space-md)}
#research .lab-claims{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-xl);width:min(100%,1000px);margin-inline:auto}
#research .lab-claims button{position:relative;text-align:left;border:0;border-left:2px solid var(--color-rule);padding:var(--space-xs) var(--space-md);min-width:0;transition:translate var(--dur-short) var(--ease-out)}
#research .lab-claims button:hover{translate:0 -4px}#research .lab-claims button[aria-pressed=true]{border-color:var(--color-accent);color:var(--color-accent)}
#research .lab-claims .lab-micro{display:block;margin-bottom:var(--space-sm)}
#research .lab-claims strong{font-size:clamp(23px,2.4vw,40px);font-weight:650;line-height:1.25}
#research .lab-claim-dot{position:absolute;right:var(--space-md);bottom:0;display:grid;place-items:center;background:var(--color-paper);border:1px solid var(--color-rule);border-radius:var(--radius-round);width:28px;height:28px;font-size:13px}
#research .lab-claims [aria-pressed=true] .lab-claim-dot{background:var(--color-accent);color:var(--color-paper);border-color:var(--color-accent)}
#research .lab-source-anchor{position:relative;z-index:2;align-self:center;width:min(900px,100%);padding:var(--space-sm) var(--space-md);border-top:1px solid var(--color-rule);text-align:center;background:var(--color-paper)}
#research .lab-source-anchor>p:last-child{font-size:clamp(20px,1.9vw,32px);line-height:1.45;margin-top:var(--space-xs)}
#research .lab-source-anchor mark{background:none;color:var(--color-ink);padding:0 3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
#research .lab-source-anchor mark.is-linked{background:var(--color-highlight);color:var(--color-accent)}
#research .lab-link-lines{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;overflow:visible}
#research .lab-link-lines path{fill:none;stroke:var(--color-accent);stroke-width:2;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 700ms var(--ease-out)}
#research .lab-link-map.is-linked .lab-link-lines path{stroke-dashoffset:0}
/* 03 — the source document is a drag object, with a keyboard equivalent. */
#research .lab-material-workbench{height:100%;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:var(--space-2xl);align-items:center}
#research .lab-paper{position:relative;border:1px solid var(--color-rule);border-radius:var(--radius-paper);box-shadow:var(--shadow-paper);padding:var(--space-md) var(--space-lg);text-align:left;font-weight:400;min-width:0;display:flex;flex-direction:column;gap:var(--space-sm);cursor:grab;touch-action:none;transform:translate(var(--drag-x,0px),var(--drag-y,0px)) rotate(var(--drag-turn,-1deg));transition:transform 450ms var(--ease-out),border-color var(--dur-short);z-index:4;user-select:none}
#research .lab-paper:active{cursor:grabbing}#research .lab-paper.is-dragging{transition:none}
#research .lab-paper-top{display:flex;justify-content:space-between;align-items:center;gap:var(--space-sm);font-size:12px;color:var(--color-muted)}
#research .lab-file-mark{border:1px solid var(--color-critical);color:var(--color-critical);padding:3px 4px;font-size:10px;letter-spacing:0}
#research .lab-paper>strong{font-size:clamp(22px,2vw,34px);line-height:1.3;font-weight:700;margin-top:var(--space-xs)}
#research .lab-paper-rule{width:100%;height:1px;background:var(--color-rule)}
#research .lab-paper-text{font-size:clamp(17px,1.45vw,25px);line-height:1.65;letter-spacing:-.03em}
#research .lab-paper-text mark{background:none;color:inherit}
#research .lab-paper-bottom{font-size:12px;color:var(--color-muted);display:flex;justify-content:space-between;border-top:1px solid var(--color-rule);padding-top:var(--space-xs)}
#research .lab-pdf-drop{height:100%;min-height:0;display:grid;place-items:center;position:relative;border:1px dashed var(--color-rule);transition:border-color var(--dur-short)}
#research .lab-pdf-drop.is-over{border:2px solid var(--color-accent)}
#research .lab-drop-invitation{text-align:center;padding:var(--space-md);color:var(--color-muted)}
#research .lab-drop-invitation svg{width:48px;height:48px;stroke:var(--color-muted);fill:none;stroke-width:1.2;margin-bottom:var(--space-md)}
#research .lab-drop-invitation p{font-size:clamp(20px,1.8vw,30px);font-weight:600;line-height:1.4}
#research .lab-drop-invitation>span{font-size:13px;display:block;margin-top:var(--space-sm)}
#research .lab-pdf-output{display:grid;width:100%;gap:var(--space-md);padding-inline:var(--space-lg)}
#research .lab-pdf-output>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-2xs) var(--space-sm);align-items:baseline;transform:translateX(0);animation:lab-enter 600ms var(--ease-out) both}
#research .lab-pdf-output>div:nth-child(2){animation-delay:180ms}#research .lab-pdf-output>div:nth-child(3){animation-delay:360ms}
#research .lab-pdf-output>div>span{font-size:clamp(17px,1.4vw,24px);font-weight:600}
#research .lab-pdf-output strong{font-size:clamp(23px,2.8vw,46px);line-height:1.2;color:var(--color-critical);font-weight:650;white-space:nowrap}
#research .lab-pdf-output .lab-known{color:var(--color-accent)}#research .lab-pdf-output .lab-known>span{font-size:.45em;margin-left:4px}
#research .lab-pdf-output small{grid-column:1/-1;font-size:13px;color:var(--color-muted);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-rule)}
#research .lab-material[data-pdf-ready=true] .lab-paper{--drag-turn:0deg;border-color:var(--color-accent)}
#research .lab-material[data-pdf-ready=true] .lab-paper-text mark{background:var(--color-highlight);color:var(--color-accent)}
#research .lab-material[data-pdf-ready=true] .lab-pdf-drop{border:0;border-left:1px solid var(--color-rule)}
/* 04 — a true, pointer-following magnifier over the quoted original. */
#research .lab-original{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:var(--space-2xl);align-items:center}
#research .lab-original-claim>p{font-size:clamp(23px,2.2vw,38px);line-height:1.4;margin:var(--space-md) 0;font-weight:500}
#research .lab-original-claim>p strong{font-weight:650}
#research .lab-original-claim>button{padding:var(--space-xs) 0;border:0;border-bottom:1px solid var(--color-accent);font-size:18px;color:var(--color-accent);background:none}
#research .lab-original-claim>button span{margin-left:var(--space-lg)}
#research .lab-original-paper{position:relative;border-top:2px solid var(--color-ink);border-bottom:1px solid var(--color-rule);background:var(--color-paper);cursor:crosshair;min-width:0;user-select:none}
#research .lab-original-copy{padding:var(--space-md) var(--space-lg);background:var(--color-paper)}
#research .lab-original-copy h3{font-size:clamp(20px,1.8vw,31px);line-height:1.3;margin:var(--space-sm) 0;letter-spacing:-.03em}
#research .lab-original-date{font-size:13px;color:var(--color-muted);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-rule);margin-bottom:var(--space-sm)}
#research .lab-original-body{font-size:clamp(18px,1.55vw,27px);line-height:1.6}
#research .lab-original-body mark{background:none;color:inherit}
#research .lab-original-paper.is-evidence .lab-original-body mark{background:var(--color-highlight);color:var(--color-accent)}
#research .lab-lens{position:absolute;z-index:5;display:none;width:190px;height:190px;border:2px solid var(--color-accent);border-radius:var(--radius-round);overflow:hidden;pointer-events:none;box-shadow:var(--shadow-paper);background:var(--color-paper)}
#research .lab-original-paper.is-reading .lab-lens{display:block}
#research .lab-lens-copy{position:absolute;transform:scale(1.6);transform-origin:0 0;margin:0}
#research .lab-lens>span{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:10px;background:var(--color-accent);color:var(--color-paper);padding:5px}
/* 05 — a live calculator and one hundred and twenty individual cups. */
#research .lab-numbers{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:var(--space-2xl);align-items:center}
#research .lab-cup-side{max-width:620px;width:100%;justify-self:center}
#research .lab-cup-counts{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-md);font-size:17px;margin:var(--space-xs) 0 var(--space-md)}
#research .lab-cup-counts b{font-size:clamp(42px,4.3vw,74px);font-weight:650;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.06em;margin-right:6px}
#research .lab-cup-counts i{font-style:normal;font-size:28px;color:var(--color-muted)}
#research .lab-cups{display:grid;grid-template-columns:repeat(20,minmax(0,1fr));gap:3px;margin-bottom:var(--space-md)}
#research .lab-cup{display:block;color:var(--color-ink);height:clamp(10px,1.15vw,20px);transition:transform 450ms var(--ease-out),color 450ms;transition-delay:calc(var(--i,0) * 2ms)}
#research .lab-cup svg{height:100%;width:100%;fill:none;stroke:currentColor;stroke-width:1.2}
#research .lab-cup.is-removed{transform:translateY(5px);color:var(--color-critical)}#research .lab-cup.is-removed path{stroke-dasharray:2 2}
#research .lab-slider-label{display:flex;align-items:center;justify-content:space-between;font-size:14px;gap:var(--space-md);color:var(--color-muted)}
#research .lab-slider-label button{border:0;padding:0;min-height:28px;font-size:12px;font-weight:500;color:var(--color-accent);background:none;white-space:nowrap}
#research #lab-cup-slider{width:100%;padding:0;height:24px;min-height:24px;accent-color:var(--color-accent);border:0;background:none;margin:var(--space-xs) 0 0;touch-action:pan-y}
#research .lab-number-origin{font-size:12px;color:var(--color-muted);line-height:1.3;margin-top:var(--space-xs)}
#research .lab-calculation{border-left:1px solid var(--color-rule);padding-left:var(--space-2xl);min-width:0}
#research .lab-draft-rate{display:flex;gap:var(--space-sm);align-items:baseline;color:var(--color-muted);font-size:16px}
#research .lab-draft-rate s{font-size:26px;color:var(--color-critical);text-decoration-color:var(--color-critical)}
#research .lab-calculate{border:0;text-align:left;padding:var(--space-xs) 0;display:flex;flex-direction:column;width:100%;background:none}
#research .lab-calculate>span:first-child{font-size:16px;font-weight:500;color:var(--color-muted)}
#research .lab-calculate>strong{display:flex;align-items:baseline;color:var(--color-accent);font-weight:650;line-height:1;letter-spacing:-.08em}
#research .lab-calculate b{font-size:clamp(74px,8.4vw,144px);font-weight:650;font-variant-numeric:tabular-nums}
#research .lab-calculate i{font-size:38px;font-style:normal;margin-left:var(--space-xs);font-weight:500;letter-spacing:-.04em}
#research .lab-calc-invitation{font-size:13px;color:var(--color-muted);margin-top:var(--space-sm)}
#research .lab-equation{animation:lab-rise var(--dur-scene) var(--ease-out) both;font-size:clamp(16px,1.5vw,24px);font-variant-numeric:tabular-nums;margin-top:var(--space-xs)}
#research .lab-equation>span{white-space:nowrap}#research .lab-equation p{font-size:16px;color:var(--color-muted);margin-top:var(--space-xs)}
#research .lab-numbers[data-calculated=true] .lab-calc-invitation{display:none}
/* Photographs are kept as evidence, never re-drawn as fake app chrome. */
#research .lab-evidence{width:min(1100px,calc(100vw - 36px));max-width:none;max-height:85dvh;padding:var(--space-lg);border:1px solid var(--color-rule);border-radius:var(--radius-control);color:var(--color-ink);background:var(--color-paper);overflow:auto}
#research .lab-evidence::backdrop{background:var(--color-veil)}
#research .lab-evidence>header{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);margin-bottom:var(--space-lg)}
#research .lab-evidence h3{font-size:27px;margin-top:var(--space-xs)}
#research .lab-evidence>header button{font-size:32px;line-height:1;width:44px;padding:0;border:0}
#research [data-evidence-content]{display:grid;gap:var(--space-lg)}
#research [data-evidence-content] img{width:100%;height:auto;max-height:55dvh;object-fit:contain;border:1px solid var(--color-rule)}
#research .lab-evidence-note{font-size:13px;line-height:1.5;margin:var(--space-lg) 0 0;color:var(--color-muted)}
@keyframes lab-enter{from{transform:translateX(28px)}to{transform:translateX(0)}}
@keyframes lab-rise{from{transform:translateY(32px)}to{transform:translateY(0)}}
@keyframes lab-grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
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/* Hallmark · macrostructure: five evidence instruments · request / link map / drag / lens / live count */
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