/* Two contact halves, not stacked cards: the geometry encodes the input mapping. */
.touch-workshop{--tw-paper:#121e29;--tw-ink:#e9f2f7;--tw-rail:#70c6f5;--tw-muted:#b7c6d4;--tw-warn:#f3bd79}
.touch-workshop [hidden]{display:none!important}.tw-toolbar{border-top:1px solid #6d809250;padding-top:18px}.touch-workshop button{min-height:44px;padding:10px 14px;border:1px solid #7692a7;border-radius:5px;background:#192b38;color:var(--tw-ink);font:700 14px var(--body,'Segoe UI',sans-serif);cursor:pointer;white-space:normal}.touch-workshop button:hover{background:#223a4b}.touch-workshop button:focus-visible,.tw-field:focus-visible,.tw-keyboard summary:focus-visible,.touch-workshop input:focus-visible{outline:2px solid var(--tw-rail);outline-offset:4px}.tw-toolbar>button:first-child{background:#173e54;border-color:var(--tw-rail)}.tw-toolbar nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:18px 0}.tw-toolbar [aria-pressed=true]{border-color:var(--tw-rail);box-shadow:inset 3px 0 var(--tw-rail)}
.tw-workspace{padding:18px;background:var(--tw-paper);border:1px solid #7794a650;border-radius:8px;color:var(--tw-ink)}.tw-instruction{font-size:14px;line-height:1.6;color:var(--tw-muted);margin:0 0 14px}.tw-field{position:relative;width:100%;height:300px;touch-action:none;user-select:none;background:linear-gradient(90deg,#142c3a 50%,#152431 50%);border:1px solid #7598b2;border-radius:6px;overflow:hidden;cursor:crosshair}.tw-field svg{width:100%;height:100%;display:block;pointer-events:none}.tw-field text{font:18px 'Cascadia Mono',Consolas,monospace;fill:#c5dbea}.tw-left-label,.tw-right-label{position:absolute;top:12px;font:700 11px var(--mono);color:var(--tw-rail);pointer-events:none}.tw-left-label{left:12px}.tw-right-label{right:12px}.tw-divider{stroke:#7598b2;stroke-width:2;stroke-dasharray:8 8}.tw-neutral{stroke:#70c6f5;stroke-width:2}.tw-ticks{stroke:#789bb5;stroke-width:2}.tw-origin{fill:none;stroke:#aebccd;stroke-width:2;stroke-dasharray:5 4}.tw-marker{fill:#70c6f53a;stroke:#70c6f5;stroke-width:3}.tw-marker-left[data-held=false]{fill:#f3bd7920;stroke:#f3bd79;stroke-dasharray:6 4}.tw-held{font:11px var(--mono);color:var(--tw-muted);margin:12px 0}.tw-readings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:15px 0 6px}.tw-readings>div{padding:8px 0;border-top:1px solid #7598b2}.tw-readings dt{font:11px var(--mono);color:var(--tw-muted)}.tw-readings dd{margin:4px 0;font:700 24px var(--mono);color:var(--tw-ink)}.tw-up{font-size:12px;color:var(--tw-muted);margin:8px 0}.tw-notice{min-height:3em;padding:10px 12px;border-left:3px solid var(--tw-rail);background:#70c6f508;font-size:14px;line-height:1.6}.tw-notice[data-warning=true]{border-color:var(--tw-warn);color:var(--tw-warn);background:#f3bd7908}.tw-release{display:flex;gap:8px;flex-wrap:wrap}.tw-release button{flex:1;min-width:90px}.tw-keyboard{margin:18px 0 0;border-top:1px solid #7598b250}.tw-keyboard summary{cursor:pointer;min-height:44px;padding:14px 0;font-weight:700}.tw-keyboard p{font-size:13px;line-height:1.6}.tw-ranges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tw-ranges label{display:block;min-width:0;font:13px var(--mono)}.tw-ranges input{display:block;width:100%;height:44px;margin-top:4px;accent-color:var(--tw-rail)}.tw-status:empty{display:none}.tw-status,.tw-source{font-size:13px;color:var(--tw-muted);line-height:1.6}
.tw-briefs{margin-top:22px}.tw-brief{padding:0 0 16px;border-bottom:1px solid #ffffff2b;margin-bottom:14px}.tw-brief summary{padding:14px 0;cursor:pointer;font:750 20px var(--display);min-height:44px}.tw-brief h3{font-size:17px;margin:18px 0 5px}.tw-brief p{margin:0}.tw-limit{margin:18px 0;padding:14px 16px;border-left:3px solid #f3bd79;background:#f3bd7908;font-size:14px;line-height:1.6}.tp-lessons{list-style:none;margin:24px 0;padding:0}.tp-lessons>li{border-top:1px solid #ffffff38;padding:22px 0 28px}.tp-lessons header{display:grid;grid-template-columns:32px minmax(0,1fr);column-gap:12px}.tp-lessons header>span{font:700 23px var(--mono);color:#70c6f5}.tp-lessons h3{margin:0;font-size:24px}.tp-lessons header p{grid-column:2;font-size:13px;color:#b7c6d4;margin:7px 0 0}.tp-lessons dl{margin:20px 0}.tp-lessons dl>div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:14px;padding:10px 0;border-bottom:1px solid #ffffff16}.tp-lessons dt{font-weight:700}.tp-lessons dd{margin:0;color:#b7c6d4;line-height:1.65}
@media(max-width:620px){.tw-toolbar nav{grid-template-columns:1fr}.tw-workspace{padding:12px 8px}.tw-field{height:240px}.tw-field text{font-size:23px}.tw-left-label,.tw-right-label{font-size:9px}.tw-left-label{left:6px}.tw-right-label{right:6px}.tw-readings dd{font-size:18px}.tw-ranges{grid-template-columns:1fr}.tw-release{gap:6px}.tw-release button{padding:10px 6px;font-size:12px;min-width:70px}.tp-lessons dl>div{grid-template-columns:1fr;gap:3px}.tp-lessons h3{font-size:21px}.tw-notice{font-size:14px}}
@media(prefers-reduced-motion:reduce){.touch-workshop *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.tw-toolbar,.tw-workspace{display:none!important}.tw-brief[hidden]{display:block!important}.tw-limit{border-color:#777;background:none}.tp-lessons>li{break-inside:avoid}.tp-lessons .cta{display:none}}
.tw-field svg text{display:none}.tw-scale{position:absolute;pointer-events:none;font:11px/1.4 'Cascadia Mono',Consolas,monospace;color:#c5dbea;max-width:43%;left:10%;transform:translateY(-50%)}.tw-scale-top{top:15%}.tw-scale-mid{top:45%;left:4%}.tw-scale-bottom{top:85%}.tw-scale-relative{top:82%;left:55%;max-width:40%}