/* Chapter 13: shared controls and two independent, demand-driven previews. */
.transform-order-overview{margin:0;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--surface)}
.transform-order-overview img{display:block;width:100%;height:auto}.transform-order-overview figcaption{display:grid;gap:8px;padding:20px 24px;color:var(--muted);font-size:14px;line-height:1.7}.transform-order-overview figcaption strong{color:var(--ink);font:600 20px/1.4 var(--display)}
.order-lab-shell{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
.order-workbench{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:start}.order-panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));min-width:0;background:#090f17}.order-panel{min-width:0}.order-panel+.order-panel{border-left:1px solid var(--line)}
.order-panel-heading{padding:17px 18px 14px;border-bottom:1px solid var(--line);min-height:85px}.order-panel-heading h3{font:500 20px/1.4 var(--mono);margin:0;color:var(--ink)}.order-panel-heading p{font:400 10px/1.6 var(--mono);margin:7px 0 0;color:var(--muted)}
.order-stage{position:relative;aspect-ratio:1;background:#090f17}.order-stage canvas,.order-stage>img{display:block;width:100%;height:100%;object-fit:contain}.order-stage:has(>img:not([hidden]))>canvas{display:none}.order-stage [hidden]{display:none!important}.order-stage canvas{touch-action:pan-y pinch-zoom;cursor:default}.order-stage canvas:focus-visible{outline-offset:-3px}
.order-fallback-message{padding:15px 18px;color:var(--muted);font-size:11px;line-height:1.7;margin:0}
.order-controls{min-width:0;padding:19px 16px;border-left:1px solid var(--line)}.order-heading-row{display:flex;gap:10px;align-items:center;justify-content:space-between}.order-heading-row h3{margin:0;font:500 16px/1.4 var(--display)}
.order-controls button{padding:8px 9px;min-height:36px;font-size:10px;border-radius:7px}.order-heading-row button{flex:none}.order-input-row{display:grid;grid-template-columns:49px minmax(0,1fr) 72px;gap:6px;align-items:center;margin-top:12px}.order-input-row label{font:400 10px/1.5 var(--mono);color:var(--muted)}.order-input-row input[type=range]{min-width:0;width:100%;margin:0;min-height:30px;accent-color:#3de0f0}.order-input-row input[type=number]{width:100%;min-width:0;border:1px solid var(--line);background:#0b111b;color:var(--ink);border-radius:6px;padding:7px 4px;font:400 11px/1.5 var(--mono);font-variant-numeric:tabular-nums}
.order-preset-buttons{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.order-small-note{font-size:10px;line-height:1.65;color:var(--dim);margin:10px 0 0}.order-sequence{margin-top:20px}.order-step-controls{margin:0 0 12px;padding:0;border:0;min-width:0}.order-step-controls legend{padding:0;margin-bottom:9px;font:500 14px/1.5 var(--display);color:var(--ink)}.order-step-controls label{display:flex;align-items:center;gap:6px;font-size:11px;line-height:1.6;color:var(--muted);min-height:31px}.order-step-controls input,.order-option-row input{accent-color:#3de0f0;flex:none}.order-option-row{display:flex;flex-wrap:wrap;gap:11px 18px;margin-top:16px}.order-option-row label{display:flex;gap:7px;align-items:center;font-size:11px;line-height:1.5;color:var(--muted)}
.order-legend{display:flex;flex-wrap:wrap;gap:10px 18px;padding:15px 20px;border-top:1px solid var(--line);font:400 10px/1.6 var(--mono);color:var(--muted)}.order-legend span{display:inline-flex;align-items:center;gap:8px}.order-legend i{width:10px;height:10px;display:inline-block;flex:none;border-radius:50%}.order-circle-color{border:2px solid #3de0f0}.order-card-color{border:2px solid #c28cff;border-radius:0!important}.order-point-color{background:#ffcf4f}.order-x-color{border:2px solid #ff9147}.order-y-color{border:2px solid #66de8f;border-radius:0!important}.order-original-color{border:1px solid #a3b3bf}
.order-view-note{padding:0 20px;color:var(--dim);font-size:11px;line-height:1.7;margin:0 0 18px}.order-readouts-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-block:1px solid var(--line);background:#0b111b}.order-readouts-comparison>section{min-width:0}.order-readouts-comparison>section+section{border-left:1px solid var(--line)}.order-readouts-comparison h3{margin:0;padding:18px 20px 0;font:500 14px/1.6 var(--display);color:var(--ink)}
.order-panel-readouts,.order-comparison-readouts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px 20px;padding:19px 20px;margin:0}.order-comparison-readouts{grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line)}.order-panel-readouts>div,.order-comparison-readouts>div{min-width:0}.order-panel-readouts dt,.order-comparison-readouts dt{color:var(--dim);font:400 10px/1.6 var(--mono);margin:0 0 6px}.order-panel-readouts dd,.order-comparison-readouts dd{margin:0;color:var(--ink);font:400 12px/1.6 var(--mono);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.order-geometry-note{padding:14px 20px;margin:0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.7;color:var(--muted)}.order-readout-note,.order-control-help{padding:0 20px;font-size:12px;line-height:1.75;color:var(--muted);margin:16px 0}.order-readout-note{color:var(--dim);font-size:11px}#order-shader-status{padding:0 20px;font:400 10px/1.7 var(--mono);color:var(--accent);margin:16px 0;min-height:20px}#order-error{white-space:pre-wrap;overflow-wrap:anywhere;color:#ffb6a4;background:#291717;padding:16px;border-radius:8px;font-size:12px}.transform-order-lab-section .code-panel{min-width:0}
@media(max-width:1100px){.order-workbench{grid-template-columns:1fr}.order-controls{order:-1;border-left:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:20px}.order-sequence{margin-top:0}.order-step-controls{display:flex;flex-wrap:wrap;gap:8px 15px}.order-input-row{grid-template-columns:58px minmax(0,1fr) 80px}.order-heading-row h3{font-size:18px}}
@media(max-width:650px){.order-controls{grid-template-columns:1fr;gap:19px;padding:18px}.order-panels{grid-template-columns:1fr}.order-panel+.order-panel{border-left:0;border-top:1px solid var(--line)}.order-readouts-comparison{grid-template-columns:1fr}.order-readouts-comparison>section+section{border-left:0;border-top:1px solid var(--line)}.order-comparison-readouts{grid-template-columns:repeat(2,minmax(0,1fr))}.order-stage{max-width:600px;margin-inline:auto}.order-panel-heading{min-height:0}.order-option-row{gap:11px 14px}.order-panel-readouts,.order-comparison-readouts{gap:17px 15px;padding:18px}.order-legend{padding:14px 18px}.order-view-note,.order-readout-note,.order-control-help,.order-geometry-note,#order-shader-status{padding-inline:18px}.order-heading-row h3{font-size:16px}}

.order-visuals{min-width:0}.order-help{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}.order-help summary{font-size:11px;line-height:1.6;color:var(--muted);cursor:pointer}.order-help .order-small-note{margin-top:10px}.order-visuals .order-view-note{margin-bottom:18px}