:root{--editor:#151915;--editor-text:#edf6ec;--editor-muted:#9baa9a}
.precision-shell{width:min(1260px,calc(100% - 36px))}.precision-workspace{padding-top:12px}.precision-card .work-body{padding:22px}.editor-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.editor-pane{min-width:0}.editor-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.editor-head h3{margin:0;font-size:16px}.editor-head span{color:var(--muted);font-size:10px;font-weight:800}.code-editor{display:block;width:100%;min-height:430px;padding:18px;border:2px solid var(--ink);border-radius:16px;background:var(--editor);color:var(--editor-text);caret-color:var(--yellow);font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;tab-size:2;resize:vertical;outline:0;white-space:pre}.code-editor.light{background:#fff;color:var(--ink);caret-color:var(--accent)}.code-editor:focus{box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 24%,transparent)}.compact-editor{min-height:270px}.editor-actions{display:flex;flex-wrap:wrap;gap:8px;margin:13px 0}.editor-actions button{flex:0 0 auto}.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0}.metric-chip{padding:11px 12px;border:1.5px solid var(--ink);border-radius:12px;background:#fff}.metric-chip span{display:block;color:var(--muted);font-size:9px;font-weight:850;letter-spacing:.06em;text-transform:uppercase}.metric-chip strong{display:block;margin-top:2px;font-size:15px;overflow-wrap:anywhere}.error-box{padding:13px 15px;border:2px solid #9d3327;border-radius:13px;background:#ffe5df;color:#76261d}.error-box strong{display:block}.error-box p{margin:4px 0 0;font:12px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}.success-box{padding:10px 13px;border:1.5px solid var(--green);border-radius:12px;background:var(--soft-green);color:#105f49;font-size:12px;font-weight:850}.view-switch{display:inline-flex;padding:3px;border:1.5px solid var(--ink);border-radius:999px;background:#fff}.view-switch button{min-height:34px;padding:5px 10px;border:0;border-radius:999px;background:transparent;color:var(--ink);font-size:10px;font-weight:950;cursor:pointer}.view-switch button.is-active{background:var(--ink);color:#fff}.tree-view{min-height:430px;max-height:620px;padding:15px;border:2px solid var(--ink);border-radius:16px;background:#fff;overflow:auto;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.tree-view details{margin-left:14px}.tree-view>details{margin-left:0}.tree-view summary{cursor:pointer}.tree-key{color:#244fc1;font-weight:850}.tree-string{color:#0d7957}.tree-number{color:#8b3fb3}.tree-boolean{color:#b34b22}.tree-null{color:#70756f;font-style:italic}.tree-count{color:var(--muted);font-size:10px}.data-toolbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:14px 0}.data-toolbar .field{margin:0}.data-toolbar button{align-self:end}.data-preview{max-height:520px;overflow:auto;border:2px solid var(--ink);border-radius:15px;background:#fff}.data-preview table{min-width:760px}.data-preview th{position:sticky;top:0;z-index:2}.data-preview td{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.data-preview tr.is-warning td{background:#fff4c9}.drop-inline{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1.5px dashed var(--ink);border-radius:13px;background:var(--paper)}.drop-inline input{max-width:230px}.calculation-grid{display:grid;grid-template-columns:minmax(340px,.84fr) minmax(0,1.16fr);gap:18px}.result-stack{display:grid;gap:12px}.hero-result{padding:24px;border:2px solid var(--ink);border-radius:20px;background:var(--soft-accent)}.hero-result .big-result{font-size:clamp(38px,5vw,68px)}.comparison-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.comparison-card{padding:16px;border:1.5px solid var(--ink);border-radius:14px;background:#fff}.comparison-card.is-better{background:var(--soft-green)}.comparison-card span{display:block;color:var(--muted);font-size:9px;font-weight:900;letter-spacing:.07em;text-transform:uppercase}.comparison-card strong{display:block;margin:5px 0;font-size:23px;letter-spacing:-.035em}.comparison-card p{margin:0;color:var(--muted);font-size:11px}.chart-wrap{padding:15px;border:1.5px solid var(--ink);border-radius:15px;background:#fff}.chart-wrap canvas{display:block;width:100%;height:260px}.schedule-wrap{max-height:420px;overflow:auto}.schedule-wrap th{position:sticky;top:0}.formula-note{font:11px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.color-layout{display:grid;grid-template-columns:minmax(340px,.75fr) minmax(0,1.25fr);gap:18px}.color-controls{display:grid;gap:13px}.color-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.color-field{display:grid;grid-template-columns:54px minmax(0,1fr);gap:9px;align-items:end}.color-field input[type=color]{width:54px;height:49px;padding:3px;border:1.5px solid var(--ink);border-radius:12px;background:#fff;cursor:pointer}.contrast-preview{display:grid;min-height:310px;place-items:center;padding:30px;border:2px solid var(--ink);border-radius:20px;text-align:center;transition:background-color .15s,color .15s}.contrast-preview strong{display:block;font-size:clamp(38px,6vw,74px);line-height:.95;letter-spacing:-.055em}.contrast-preview p{max-width:520px;margin:16px auto 0;font-size:18px}.pass-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}.pass-card{padding:12px;border:1.5px solid var(--ink);border-radius:12px;background:#fff}.pass-card span{display:block;color:var(--muted);font-size:9px;font-weight:900;text-transform:uppercase}.pass-card strong{display:block;margin-top:3px}.pass-card.pass{background:var(--soft-green)}.pass-card.fail{background:var(--soft-red)}.image-sampler{display:grid;gap:11px;margin-top:16px;padding:15px;border:1.5px solid var(--ink);border-radius:15px;background:#fff}.sampler-canvas-wrap{display:grid;min-height:190px;place-items:center;overflow:hidden;border:1.5px dashed var(--line);border-radius:12px;background:#f6f5ef}.sampler-canvas-wrap canvas{display:block;max-width:100%;max-height:430px;cursor:crosshair}.palette{display:flex;flex-wrap:wrap;gap:8px}.swatch{display:inline-flex;min-height:38px;align-items:center;gap:7px;padding:5px 9px;border:1.5px solid var(--ink);border-radius:999px;background:#fff;font:10px ui-monospace,SFMono-Regular,Consolas,monospace;cursor:pointer}.swatch i{width:22px;height:22px;border:1px solid rgba(0,0,0,.25);border-radius:50%}.privacy-detail{margin-top:8px;color:var(--muted);font-size:11px}.tool-footnote{max-width:880px;margin:18px auto 0;color:var(--muted);font-size:11px;text-align:center}
@media(max-width:980px){.editor-grid,.calculation-grid,.color-layout{grid-template-columns:1fr}.data-toolbar{grid-template-columns:repeat(3,minmax(0,1fr))}.code-editor,.tree-view{min-height:350px}.color-layout{gap:14px}}
@media(max-width:680px){.precision-shell{width:calc(100% - 24px)}.precision-card .work-body{padding:13px}.metric-strip{grid-template-columns:1fr 1fr}.data-toolbar{grid-template-columns:1fr 1fr}.data-toolbar .field:first-child{grid-column:1/-1}.comparison-grid,.color-pair{grid-template-columns:1fr}.pass-grid{grid-template-columns:1fr 1fr}.drop-inline{align-items:flex-start;flex-direction:column}.code-editor{min-height:320px;padding:13px;font-size:12px}.tree-view{min-height:320px}.chart-wrap canvas{height:220px}}
@media(max-width:390px){.metric-strip,.data-toolbar,.pass-grid{grid-template-columns:1fr}.data-toolbar .field:first-child{grid-column:auto}.color-field{grid-template-columns:48px minmax(0,1fr)}.color-field input[type=color]{width:48px}}
@media(prefers-reduced-motion:reduce){.contrast-preview{transition:none}}