/* Chapter 22: a staged card, coalesced pointer input, and no idle animation. */
.final-project-overview{margin:0;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--surface)}.final-project-overview img{display:block;width:100%;height:auto}.final-project-overview figcaption{display:grid;gap:8px;padding:20px 24px;color:var(--muted);font-size:14px;line-height:1.7}.final-project-overview figcaption strong{color:var(--ink);font:600 20px/1.4 var(--display)}
.final-lab-shell{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}.final-workbench{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.9fr);align-items:start}.final-preview{min-width:0;background:#090f17}.final-stage{position:relative;aspect-ratio:4/3;background:#090f17}.final-stage canvas,.final-stage>img{display:block;width:100%;height:100%;object-fit:contain}.final-stage:has(>img:not([hidden]))>canvas{display:none}.final-stage [hidden]{display:none!important}.final-stage canvas{touch-action:pan-y pinch-zoom;cursor:default}.final-stage canvas:focus-visible{outline-offset:-3px}
.final-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)}.final-legend span{display:inline-flex;align-items:center;gap:8px}.final-legend i{width:10px;height:10px;display:inline-block;border-radius:50%;flex:none}.final-point-color{background:#ffcf4f}.final-depth-color{border:2px solid #3de0f0}.final-plane-color{border:1px solid #bacbd9;border-radius:0!important}.final-x-color{border:2px solid #ff9147}.final-y-color{border:2px solid #66de8f;border-radius:0!important}.final-z-color{border:2px solid #66a8ff;border-radius:0!important;transform:rotate(45deg)}
.final-view-note,.final-fallback-message{padding:0 20px;color:var(--dim);font-size:11px;line-height:1.7;margin:0 0 18px}.final-fallback-message{color:var(--muted);padding-top:16px}.final-controls{min-width:0;padding:20px;border-left:1px solid var(--line)}.final-heading-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.final-heading-row h3{margin:0;font:500 18px/1.4 var(--display)}.final-controls button{padding:8px 10px;font-size:10px;border-radius:7px;min-height:36px}.final-heading-row button{flex:none}.final-mode-row{display:flex;gap:12px;align-items:center;margin-top:17px}.final-mode-row label{font:400 11px/1.5 var(--mono);color:var(--muted)}.final-mode-row select{flex:1;min-width:0;max-width:100%;background:#0b111b;border:1px solid var(--line);border-radius:7px;color:var(--ink);padding:9px;font:400 11px/1.5 var(--mono)}
.final-controls fieldset{margin:18px 0 0;padding:0;border:0;min-width:0}.final-controls legend{padding:0;color:var(--ink);font:500 14px/1.5 var(--display)}.final-input-row{display:grid;grid-template-columns:57px minmax(0,1fr) 96px;gap:8px;align-items:center;margin-top:8px}.final-input-row label{font:400 10px/1.5 var(--mono);color:var(--muted)}.final-input-row input[type=range]{min-width:0;width:100%;margin:0;min-height:30px;accent-color:#3de0f0}.final-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}.final-preset-buttons{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}.final-option-row{display:flex;flex-wrap:wrap;gap:11px 18px;margin-top:17px}.final-option-row label{display:flex;gap:7px;align-items:center;font-size:11px;line-height:1.5;color:var(--muted)}.final-option-row input{accent-color:#3de0f0;flex:none}.final-help{margin-top:17px;border-top:1px solid var(--line);padding-top:12px}.final-help summary{font-size:11px;line-height:1.6;color:var(--muted);cursor:pointer}.final-help p{font-size:11px;line-height:1.7;color:var(--dim);margin:10px 0 0}#final-shader-status{font:400 10px/1.7 var(--mono);color:var(--accent);margin:16px 0 0;min-height:20px}
.final-readouts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px 20px;padding:22px;border-block:1px solid var(--line);margin:0;background:#0b111b}.final-readouts>div{min-width:0}.final-readouts dt{color:var(--dim);font:400 10px/1.6 var(--mono);margin:0 0 6px}.final-readouts dd{margin:0;color:var(--ink);font:400 13px/1.6 var(--mono);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.final-geometry-note{padding:14px 22px;margin:0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.7;color:var(--muted)}.final-readout-note,.final-control-help{padding:0 22px;font-size:12px;line-height:1.75;color:var(--muted);margin:16px 0}.final-readout-note{color:var(--dim);font-size:11px}#final-error{white-space:pre-wrap;overflow-wrap:anywhere;color:#ffb6a4;background:#291717;padding:16px;border-radius:8px;font-size:12px}#final-lab .code-panel{min-width:0}
@media(max-width:900px){.final-workbench{grid-template-columns:1fr}.final-stage{max-width:700px;margin-inline:auto}.final-controls{border-left:0;border-top:1px solid var(--line)}.final-readouts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:580px){.final-controls{padding:18px}.final-heading-row h3{font-size:16px}.final-input-row{grid-template-columns:54px minmax(0,1fr) 90px;gap:7px}.final-readouts{gap:17px 15px;padding:18px}.final-readouts dd{font-size:12px}.final-legend{padding:14px 18px;gap:10px 15px}.final-view-note,.final-fallback-message,.final-geometry-note,.final-readout-note,.final-control-help{padding-inline:18px}}

.final-lab-shell [hidden]{display:none!important}.final-stage{overflow:hidden}.final-stage:has(>img:not([hidden])){aspect-ratio:5/4}.final-stage:has(>img:not([hidden])) .final-vector-overlay{display:none}.final-vector-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.final-t-color{background:#3de0f0}.final-c-color{background:#78ef9b}.final-w-color{border-top:2px dashed #ff8d8d;border-radius:0!important}.final-light-color{border:2px solid #ffcf4f}.final-mode-row label{min-width:57px}.final-readouts dd{font-size:12px}.final-control-status{margin:14px 0 0;font:400 10px/1.7 var(--mono);color:var(--muted)}.final-matrices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:20px;background:#0b111b}.final-matrix{width:100%;table-layout:fixed;border-collapse:collapse;font-variant-numeric:tabular-nums}.final-matrix caption{text-align:left;font:400 11px/1.7 var(--mono);color:var(--muted);padding-bottom:10px}.final-matrix th{font:500 10px/1.6 var(--mono);border-bottom:1px solid var(--line);padding:7px}.final-matrix td{text-align:center;font:400 12px/1.6 var(--mono);padding:6px 3px;overflow-wrap:anywhere}.final-matrix th:nth-child(1),.final-matrix td:nth-child(1){color:#ff9147}.final-matrix th:nth-child(2),.final-matrix td:nth-child(2){color:#66de8f}.final-matrix th:nth-child(3),.final-matrix td:nth-child(3){color:#66a8ff}.final-editor-label{display:block;font:500 12px/1.6 var(--mono);margin:18px 0 10px;color:var(--ink)}.final-copy-row{display:flex;justify-content:flex-end;margin:10px 0 20px}.final-copy-row button{font-size:11px}#final-vertex-code{min-height:410px}#final-fragment-code{min-height:480px}
@media(max-width:650px){.final-matrices{grid-template-columns:1fr;padding:18px}.final-readouts dd{font-size:11px}.final-matrix td{font-size:11px}}


.final-stage-toolbar,.final-preview-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px}.final-stage-toolbar{border-bottom:1px solid var(--line)}.final-preview-kicker{font:500 10px/1.5 var(--mono);letter-spacing:.1em;color:#7bded8}.final-stage-toolbar button{font-size:10px;padding:8px 10px;min-height:36px}.final-preview-footer{border-top:1px solid var(--line);font:400 10px/1.7 var(--mono);color:var(--dim)}#final-build-badge{color:#8ce2db;white-space:nowrap}.final-stage{background:radial-gradient(ellipse at center,#142d37,#090f17 75%)}.final-stage canvas{cursor:crosshair}.final-stage canvas[aria-disabled=true]{cursor:default}.final-preview-help{margin:0 20px 20px;border-top:1px solid var(--line);padding-top:12px}.final-preview-help summary{font-size:11px;color:var(--muted);cursor:pointer}.final-preview-help p{font-size:11px;line-height:1.7;color:var(--dim);margin:10px 0}.final-bug-panel{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.final-bug-panel summary{font:500 13px/1.6 var(--display);color:var(--ink);cursor:pointer}.final-bug-panel p{font-size:11px;line-height:1.7;color:var(--dim);margin:12px 0 0}.final-controls input:disabled{opacity:.45}.final-controls input:disabled+input{opacity:.45}.final-diagnostic-heading{padding:18px 22px;border-top:1px solid var(--line)}.final-diagnostic-heading h4{font:500 17px/1.5 var(--display);margin:0 0 8px}.final-diagnostic-heading p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}#final-pause[aria-pressed=true]{border-color:#ffcf4f;color:#ffdf7a}.final-preset-buttons button[aria-pressed=true]{border-color:#ffb477;color:#ffd0a8}.final-bug-panel .final-preset-buttons{margin-top:12px}.final-input-row:has(#final-band-number){grid-template-columns:90px minmax(0,1fr) 80px}.final-option-row{margin-bottom:8px}
@media(max-width:580px){.final-stage-toolbar,.final-preview-footer{padding-inline:18px}.final-preview-footer{align-items:flex-start}.final-preview-kicker{font-size:9px}.final-preview-help{margin-inline:18px}.final-input-row:has(#final-band-number){grid-template-columns:85px minmax(0,1fr) 74px}}

.final-pointer-actions{display:flex;gap:6px;flex:none}@media(max-width:580px){.final-stage-toolbar{flex-wrap:wrap}.final-stage-toolbar button{font-size:9px;padding:7px 9px}}

.final-space-table{min-width:480px}.final-space-table th,.final-space-table td{white-space:normal;vertical-align:top}.final-space-table td:first-child{width:33%}.table-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:3px}