.step-six .workspace-grid,.step-seven .workspace-grid{grid-template-columns:minmax(0,1fr)}.step-six .details-rail,.step-seven .details-rail{display:none}
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.enc-four{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;margin:18px 0}.enc-four article{padding:13px;border:1px solid var(--line);border-radius:8px;min-width:0;background:#fff;transition:border-color .15s}.enc-four article.is-selected{border-color:var(--palette-main);box-shadow:inset 0 3px 0 var(--palette-main)}.enc-four .enc-plot-title{font-size:.86rem;padding:8px 9px;width:100%;background:#f7f3fb;overflow-x:auto;text-align:left}.enc-root svg{display:block;width:100%;height:auto;max-height:365px}.enc-root svg text{font:11px Georgia,serif;fill:var(--palette-main)}.enc-root [data-entry-plane]{touch-action:none;cursor:crosshair}.enc-gridline{stroke:#e4e0e9;stroke-width:.6}.enc-axis{stroke:#a9a9a9;stroke-width:1;fill:none}.enc-error-disk{fill:#1e90ff0a;stroke:var(--palette-real-dark);stroke-width:1.1;stroke-dasharray:5 4}.enc-rectangle{fill:#ff14931c;stroke:var(--palette-deeppink);stroke-width:1.8}.enc-triangle{fill:#4b008210;stroke:var(--palette-main);stroke-width:1.6}.enc-right-angle{stroke:var(--palette-main);stroke-width:1;fill:none}.enc-midpoint{fill:var(--palette-real);stroke:white;stroke-width:1.3}.enc-toy{fill:#dd5263;stroke:white;stroke-width:1.3}.enc-probe{fill:none;stroke:var(--palette-main);stroke-width:2.2}.enc-probe-line{stroke:var(--palette-main);stroke-width:1.5;stroke-dasharray:4 3}.enc-svg-math{color:var(--palette-main);font-size:12px;background:#ffffffdd;display:inline-block;border-radius:3px;padding:1px 3px;pointer-events:none}.enc-root foreignObject{overflow:visible;pointer-events:none}.enc-plot-caption{font-size:.8rem;line-height:1.8;color:var(--muted);padding:12px 3px 2px}.enc-probe-entry{display:block;font-size:.78rem;background:#f4effa;color:var(--palette-main);padding:8px;margin-top:9px;font-variant-numeric:tabular-nums}.enc-probe-entry[hidden]{display:none}
.enc-gather{display:flex;justify-content:space-around;line-height:1;font-size:1.9rem;color:#ab87c5}.enc-group-icon{display:flex;align-items:center;gap:18px;border:1px solid #d8cce4;padding:18px;margin:8px 0 20px;background:#f8f4fc;border-radius:9px}.enc-group-icon strong{font-size:.94rem;color:var(--palette-main)}.enc-group-icon p{font-size:.8rem;margin:6px 0 0}.enc-mini-boxes{display:grid;grid-template-columns:1fr 1fr;gap:7px;border:2px solid var(--palette-main);border-top:0;border-bottom:0;padding:5px 9px;flex-shrink:0}.enc-mini-boxes span{display:block;border:1px solid var(--palette-deeppink);background:#ff149333}.enc-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:start}.enc-pair>div{min-width:0}.enc-range{display:block;font-size:.83rem;color:var(--palette-main);line-height:1.8;margin:12px 0}.enc-range output{float:right;font-variant-numeric:tabular-nums;font-size:.8rem}.enc-range input{display:block;width:100%;accent-color:var(--palette-main);margin:14px 0}.enc-eight{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:12px 0}.enc-eight>div{border:1px solid var(--line);background:#f8f5fc;border-radius:6px;padding:9px;min-width:0}.enc-eight small{display:block;color:var(--muted);font-size:.68rem;margin-bottom:7px}.enc-eight output{display:block;color:var(--palette-main);font-size:.78rem;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.enc-note{border-left:3px solid var(--palette-main);padding:14px 16px;background:#f5f1fa;border-radius:0 7px 7px 0;line-height:1.85;color:var(--ink);font-size:.88rem;margin:18px 0}.enc-note p{margin:7px 0 0;font-size:.85rem}.enc-sum{margin:18px 0;font-size:.8rem;color:var(--muted)}.enc-sum-track{height:29px;border:1px solid #c5b3d4;border-radius:5px;position:relative;overflow:hidden;margin:8px 0}.enc-sum-track i{height:100%;display:block;background:linear-gradient(90deg,#4b00822e,#1e90ff40 52%,#8080802a);transition:width .08s}.enc-sum-track em{position:absolute;inset:4px 6px;text-align:right;font-size:.78rem;color:var(--palette-main);font-style:normal}.enc-sum output{font-variant-numeric:tabular-nums;font-size:.77rem}.enc-readouts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.enc-readouts>div{padding:14px;border:1px solid var(--line);border-radius:8px;min-width:0;background:linear-gradient(120deg,#f5f0fa,#f5faff);overflow-x:auto}.enc-readouts span{display:block;font-size:.74rem;line-height:1.6;color:var(--muted);margin-bottom:8px}.enc-readouts output,.enc-readouts strong{display:block;font-size:1.05rem;color:var(--palette-main);font-weight:500;font-variant-numeric:tabular-nums}.enc-readouts small{display:block;font-size:.77rem;color:var(--muted);margin-top:8px}.enc-root details{border-top:1px solid var(--line);padding:15px 0;margin:17px 0;color:var(--muted);line-height:1.8;font-size:.87rem}.enc-root summary{color:var(--palette-main);cursor:pointer;font-size:.87rem;font-weight:500}.enc-next{display:inline-block;border:1px solid var(--palette-main);border-radius:7px;padding:10px 15px;color:var(--palette-main);background:#f7f2fc;font-size:.84rem;line-height:1.7;text-decoration:none}.enc-argument{max-width:1000px;line-height:1.8}.enc-argument p{color:var(--muted)}
.enc-3d-stage{position:relative;width:100%;height:500px;border:1px solid #d9cde6;border-radius:10px;overflow:hidden;background:#fbfaff}.enc-3d-stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.enc-3d-stage canvas:active{cursor:grabbing}.enc-3d-label{position:absolute;color:var(--palette-main);pointer-events:none;background:#ffffffdd;border-radius:4px;padding:3px 5px;font-size:.91rem;white-space:nowrap}.enc-3d-label.toy-label{color:#b5243b}.enc-3d-label.probe-label{border:1px solid #d7c0e4;color:var(--palette-main)}.enc-drag-hint{position:absolute;bottom:12px;left:12px;font-size:.73rem;color:var(--muted);background:#ffffffc9;padding:5px 8px;border-radius:5px;pointer-events:none}.enc-three-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.enc-bases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.enc-bases .enc-equation{font-size:.89rem;padding:10px}.enc-membership{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.enc-membership span{padding:8px 12px;background:#eff5fd;color:var(--palette-real-dark);border:1px solid #cad9ee;border-radius:6px;font-size:.81rem}.enc-membership span.outside{background:#fff1f5;color:var(--palette-red-dark);border-color:#edc1cd}.enc-norm-track{margin:20px 0 32px;height:18px;position:relative;background:#f0edf5;border-radius:4px}.enc-norm-track>span{display:block;height:100%;background:var(--phase1-gradient);border-radius:4px}.enc-norm-track>span.outside{background:var(--palette-red)}.enc-norm-track i{position:absolute;left:76.9230769%;width:2px;top:-6px;bottom:-6px;background:var(--palette-main)}.enc-norm-track b{position:absolute;left:76.9230769%;top:26px;font-weight:400;color:var(--palette-main);font-size:.78rem}.enc-root [hidden]{display:none!important}
@container(max-width:1000px){.enc-matrix-route{grid-template-columns:1fr}.enc-matrix-route>b{text-align:center}.enc-matrix-route .enc-equation{font-size:1rem}.enc-matrix-route article{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:center}.enc-bases{grid-template-columns:1fr}.enc-readouts{grid-template-columns:1fr}.enc-three-controls{grid-template-columns:1fr}}
@container(max-width:620px){.enc-four,.enc-pair{grid-template-columns:1fr}.enc-matrix-route article{display:block}.enc-card{padding:14px}.enc-eight{grid-template-columns:repeat(4,minmax(0,1fr))}.enc-3d-stage{height:420px}.enc-equation{font-size:.89rem}.enc-range output{float:none;display:block}.enc-group-icon{gap:10px;padding:12px}.enc-readouts strong,.enc-readouts output{font-size:.96rem}}
@container(max-width:350px){.enc-eight{grid-template-columns:repeat(2,minmax(0,1fr))}.enc-3d-stage{height:360px}.enc-drag-hint{font-size:.62rem;left:5px;bottom:5px;max-width:95%}.enc-card h2{font-size:1rem}.enc-3d-label{font-size:.75rem}.enc-actions button{padding:7px 9px;font-size:.73rem}}
@media(max-width:760px){.enc-root{padding:14px 9px}}@media(prefers-reduced-motion:reduce){.enc-four article,.enc-sum-track i{transition:none}}
.diamond-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;align-items:start}.enc-root svg[data-diamond-plane]{max-height:none;touch-action:none;cursor:crosshair}.diamond-entry-status{font-size:.78rem!important;min-height:2em}.diamond-entry-status.outside{color:#b5243b!important;font-weight:600}.diamond-card svg:focus-visible{outline:3px solid #1e90ff;outline-offset:2px}@container(max-width:850px){.diamond-layout{grid-template-columns:1fr}}
.step-eight .workspace-grid{grid-template-columns:minmax(0,1fr)}.step-eight .details-rail{display:none}.g2-controls{padding:15px;background:#f7f3fb;border:1px solid #ded0ed;border-radius:8px}.enc-root.g2-root svg{max-height:none}.g2-mid-ellipse{fill:#1e90ff15;stroke:#1765bf;stroke-width:1.8}.g2-inball{fill:#4338ca12;stroke:#4338ca;stroke-width:1.8}.g2-uncertainty{fill:#ff149324;stroke:var(--palette-deeppink);stroke-width:1.8;stroke-dasharray:5 3}.g2-radial{stroke:var(--palette-deeppink);stroke-width:2}.g2-displacement{stroke:#d52d4c;stroke-width:2}.g2-nearest{fill:white;stroke:var(--palette-deeppink);stroke-width:2}.g2-gap-rows{display:grid;grid-template-columns:1fr 1fr;gap:20px}.g2-gap-rows>div{padding:18px;border:1px solid var(--line);border-radius:8px;min-width:0}.g2-gap-rows strong,.g2-gap-rows output,.g2-gap-rows small{display:block;margin:8px 0;line-height:1.6}.g2-gap-rows strong{font-size:.87rem;color:var(--palette-main)}.g2-gap-rows output{font-size:1.2rem;color:#4338ca;font-variant-numeric:tabular-nums}.g2-gap-rows small{font-size:.78rem;color:var(--muted)}.g2-track{height:13px;background:#f0edf5;border-radius:4px;overflow:hidden}.g2-track i{display:block;height:100%;background:#4338ca}.g2-track.pointwise i{background:var(--palette-deeppink)}.g2-normal-track{height:12px;background:#f1ebf7;border-radius:4px;overflow:hidden}.g2-normal-track span{display:block;height:100%;background:var(--phase1-gradient)}@container(max-width:700px){.g2-gap-rows{grid-template-columns:1fr}}
.g2-chain{display:grid;grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr) 50px minmax(0,1.15fr);gap:10px;margin:25px 0;align-items:start}.g2-chain article{min-width:0;border:1px solid var(--line);border-radius:8px;padding:12px}.g2-chain h3{margin-top:0}.g2-chain-arrow{text-align:center;color:#4b0082;font-size:1.3rem;padding-top:125px}.g2-chain-arrow .math-render{font-size:.7rem}.g2-chain article p{font-size:.79rem}.g2-chain-value{font-size:.75rem;display:block;overflow-wrap:anywhere;color:#4b0082}.g2-actual-inball{fill:none;stroke:#1e90ff;stroke-width:1.7;stroke-dasharray:6 4}.g2-close-area{max-width:720px;margin:24px auto}.g2-root [data-g2-contour],.g2-root [data-g2-input]{touch-action:none;cursor:crosshair}.g2-root svg:focus-visible{outline:3px solid #1e90ff}@container(max-width:900px){.g2-chain{grid-template-columns:1fr;max-width:590px;margin:25px auto;gap:7px}.g2-chain-arrow{padding:0;transform:rotate(90deg);height:30px}.g2-chain-arrow .math-render{display:none}.g2-chain article svg{max-height:310px!important}}
.g2-chain-arrow{display:flex;flex-direction:column;align-items:center;gap:8px}.g2-chain-arrow span{font-size:.66rem;line-height:1.6}.g2-chain-arrow b{font-weight:400}@container(max-width:900px){.g2-chain-arrow{transform:none;height:auto;padding:4px;gap:0}.g2-chain-arrow b{transform:rotate(90deg)}.g2-chain-arrow .math-render{display:inline}}

.g2-uncertainty{stroke-dasharray:none;stroke-width:2;fill:#ff149324}.g2-centre-leader{fill:none;stroke:#075bb5;stroke-width:1.1;stroke-dasharray:3 3}.g2-output-leader{fill:none;stroke:#c82f4c;stroke-width:1.1;stroke-dasharray:3 3}.g2-near-leader{fill:none;stroke:var(--palette-deeppink);stroke-width:1.1;stroke-dasharray:3 3}.g2-output-diamond{fill:#dd5263;stroke:white;stroke-width:1.5}.g2-ball-detail{max-width:720px;margin:25px auto;padding:20px;border:1px solid var(--line);border-radius:9px;background:#fffaf5}.g2-ball-detail svg{background:white;border:1px solid #edc7da;border-radius:6px}.g2-ball-ledger{display:flex;flex-wrap:wrap;gap:15px;margin-top:12px;font-size:.8rem;color:var(--palette-main)}.g2-ball-ledger output{display:block;margin-top:5px;font-variant-numeric:tabular-nums}

.g2-pointwise-ball{fill:#4338ca13;stroke:#4338ca;stroke-width:2.1}.g2-uniform-ball{fill:none;stroke:#4338ca;stroke-width:1.8;stroke-dasharray:4 4}.g2-pointwise-radius{stroke:#4338ca;stroke-width:2.2;stroke-dasharray:3 3}.g2-uniform-radius{stroke:#4338ca;stroke-width:2.2}.g2-close-area{max-width:1100px}.g2-radius-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px;align-items:center}.g2-radius-ledger{display:grid;gap:10px}.g2-radius-item{border-left:3px solid;padding:9px 12px;background:white;min-width:0}.g2-radius-item strong{display:block;font-size:.79rem;margin-bottom:8px}.g2-radius-item output{display:block;font-variant-numeric:tabular-nums;margin-top:7px}.g2-radius-item p{font-size:.75rem;margin:6px 0;line-height:1.6}.g2-radius-item.midpoint{border-color:#1e90ff}.g2-radius-item.pointwise{border-color:#4338ca}.g2-radius-item.uniform{border-color:#4338ca;border-left-style:dashed}.g2-radius-item.gap{border-color:var(--palette-deeppink)}.g2-root .g2-radius-item .math-render{font-size:.88rem}@container(max-width:750px){.g2-radius-layout{grid-template-columns:1fr}}
/* Step 7: explicit matrix provenance and linked coordinate gauges. */
.hardy-gauge-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:14px 0 8px}.hardy-gauge-tabs button{padding:12px 10px;text-align:left;border:1px solid #d6c8e9;border-radius:7px;background:#faf7ff;color:#4b0082;cursor:pointer;font:inherit;min-width:0}.hardy-gauge-tabs button b,.hardy-gauge-tabs button span{display:block}.hardy-gauge-tabs button span{font-size:.85em;margin-top:5px}.hardy-gauge-tabs button[aria-selected=true]{background:#4b0082;color:white;border-color:#4b0082}.hardy-gauge-tabs button:focus-visible{outline:3px solid #1e90ff;outline-offset:2px}.hardy-gauge-panel{padding:10px 12px;border:1px solid #d8cae9;border-left:4px solid #6347d8;border-radius:6px;background:#faf8ff}.hardy-objects{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.hardy-objects>div{display:grid;grid-template-columns:12px 1fr;align-items:start;gap:4px 8px;border:1px solid #ddd1ec;border-radius:6px;padding:10px}.hardy-objects strong{font-size:.88em}.hardy-objects span{grid-column:2;font-size:.85em;line-height:1.4}.hardy-dot{width:10px;height:10px;border-radius:50%;margin-top:5px;background:#1e90ff}.hardy-dot.chosen{background:#dd5263}.hardy-dot.enclosure{background:#ecc6d9;border:1px solid var(--palette-deeppink);border-radius:1px}.hardy-dot.probe{background:transparent;border:2px solid #4b0082}.hardy-gauge-card code{overflow-wrap:anywhere;font-size:.84em}.linked-matrix-controls .enc-range input{width:100%}
@container(max-width:620px){.hardy-gauge-tabs{grid-template-columns:1fr}.hardy-objects{grid-template-columns:1fr}}

/* Step 8: connect the midpoint certificate, matrix replacement and Hardy bound. */
.g2-purpose-stages{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:16px;margin:14px 0}.g2-purpose-stages>article{min-width:0;padding:14px;border:1px solid #d8ccea;border-top:3px solid #4b0082;border-radius:7px;background:#fcfaff}.g2-purpose-stages>article:nth-child(2){border-top-color:var(--palette-deeppink)}.g2-purpose-stages>article:nth-child(3){border-top-color:#6347d8}.g2-purpose-stages h3{font-size:1rem;line-height:1.4}.g2-purpose-stages .enc-equation{font-size:.95rem}.g2-purpose>details{margin:12px 0}.enc-argument>.g2-purpose{margin-bottom:28px}
/* Existing entry rectangles directly edit the same selected matrix vector. */
.integrated-entry-range{margin:8px 0!important;font-size:.78rem}.integrated-entry-range input{width:100%}.enc-legend .integrated-reference{background:white;border:2px dashed #a9a9a9}.enc-root [data-de-plane]{touch-action:none;cursor:crosshair}.diamond-card [data-diamond-caption]{display:block!important}.linked-matrix-view [data-section-status]{display:block!important}.diamond-card [data-diamond-vector],.diamond-card [data-de-line]{pointer-events:none}
.matrix-product{margin:12px 0;padding:10px;border:1px solid #c9bbdf;border-radius:8px;background:#faf8ff;min-width:0}
.matrix-product-factors{display:flex;flex-wrap:wrap;align-items:center;gap:5px}.matrix-product-factors button{flex:1;min-width:100px;border:1px solid #bdacd2;background:#fff;color:#4b0082;border-radius:6px;padding:8px}.matrix-product-factors small{display:block;font-size:11px;line-height:1.45}.matrix-product-factors button[aria-pressed="true"]{background:#e9e2ff;border-color:#4b0082;box-shadow:inset 0 0 0 1px #4b0082}.enc-four .entry-factor-active{outline:2px solid #4b0082;outline-offset:2px;background:#f6f2ff}