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.sim-svg{width:300%}.sim-body{fill:var(--surface);stroke:var(--ink);stroke-width:1px;vector-effect:non-scaling-stroke}.sim-plate{fill:var(--wash);stroke:var(--ink);stroke-width:1px;vector-effect:non-scaling-stroke}.sim-thimble{fill:var(--surface);stroke:var(--ink);stroke-width:1px;vector-effect:non-scaling-stroke}.sim-bevel{fill:var(--wash);stroke:none}.sim-tick{stroke:var(--ink);stroke-width:1px;stroke-linecap:butt}.sim-tick--whole{stroke:var(--brand);stroke-width:2px}.sim-tick--hit{stroke:var(--accent);stroke-width:2.5px}.sim-marker{fill:var(--accent)}.sim-num{fill:var(--ink);font-family:var(--font-tech,monospace);font-size:14px}.sim-num--small{font-size:11px}.sim-svg .sim-caption{fill:var(--muted);letter-spacing:.12em;text-transform:none;font-size:10px}.sim-micrometer .sim-num{font-size:22px}.sim-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 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var(--font-tech);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;padding:8px 14px}.hb-switch button:first-child{border-left:0}.hb-switch button[aria-checked=true]{background:var(--ink);color:#fff}.gdt-group{gap:10px;display:grid}.gdt-group h2{color:var(--ink);font:700 20px/1.3 var(--font-display);margin:10px 0 0}.gdt-list{border-top:1px solid var(--ink);gap:0;margin:0;padding:0;list-style:none;display:grid}.gdt-card{border-bottom:1px solid var(--rule);grid-template-columns:52px minmax(0,1fr);gap:16px;padding:14px 6px;display:grid}.gdt-card-sign{border:1.5px solid var(--ink);background:var(--surface);width:44px;height:44px;color:var(--ink);place-items:center;display:grid}.gdt-card-sign .gdt-symbol{width:28px;height:28px}.gdt-card h3{color:var(--ink);font:700 16px/1.35 var(--font-display);margin:0 0 4px}.gdt-card p{color:#22405a;max-width:72ch;margin:0;font-size:14px;line-height:1.6}.gdt-example{gap:4px;margin:10px 0 0;display:grid}.gdt-example figcaption{color:var(--muted);font-size:13px;line-height:1.5}.gdt-frame{border:1.5px solid var(--ink);background:var(--surface);width:fit-content;color:var(--ink);font:600 15px/1 var(--font-tech);display:inline-flex}.gdt-cell{border-left:1.5px solid var(--ink);place-items:center;min-width:34px;min-height:34px;padding:0 8px;display:grid}.gdt-cell:first-child{border-left:0}.gdt-cell .gdt-symbol{width:20px;height:20px}.hb-text{color:#22405a;max-width:76ch;margin:0;font-size:14.5px;line-height:1.7}.hb-parts{color:#22405a;gap:8px;max-width:76ch;margin:0;padding-left:20px;font-size:14px;line-height:1.6;display:grid}.hb-parts strong{color:var(--ink)}.rough-sign{width:96px;height:60px;overflow:visible}.rough-line{fill:none;stroke:var(--ink);stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round}.rough-text{fill:var(--ink);font:600 11px var(--font-tech)}.rough-card{grid-template-columns:104px minmax(0,1fr);align-items:center}.rough-param{font:700 13px var(--font-tech)}.rough-examples{border-top:1px solid var(--ink);border-left:1px solid var(--ink);grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0;margin:0;padding:0;list-style:none;display:grid}.rough-examples li{border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);background:var(--surface);grid-template-columns:104px minmax(0,1fr);align-items:center;gap:10px;padding:14px 12px 10px;display:grid}.rough-examples p{color:#22405a;margin:0;font-size:13.5px;line-height:1.5}.rough-chips{flex-wrap:wrap;gap:6px;margin:0;display:flex}.rough-chips span{border:1px solid var(--ink);background:var(--surface);color:var(--ink);font:600 13px var(--font-tech);padding:4px 10px}.tol-table-grid tr[data-current] :is(th,td){background:#fff1e2}.rough-note-mark{color:var(--muted);font:600 14px var(--font-tech);justify-self:center}.tools-index{gap:18px;max-width:1080px;display:grid}.tools-index-lead{max-width:70ch;color:var(--muted);margin:0;font-size:14px;line-height:1.7}.tools-index-list{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:0;padding:0 1px 1px 0;list-style:none;display:grid}.kit-card{border:1px solid var(--ink);background:var(--surface);margin:0 -1px -1px 0}.kit-card a{height:100%;color:var(--ink);grid-template-rows:auto 1fr;text-decoration:none;display:grid}.kit-card-preview{border-bottom:1px solid var(--rule);background:linear-gradient(#165b9512 1px, transparent 1px) 0 0 / 12px 12px, linear-gradient(90deg, #165b9512 1px, transparent 1px) 0 0 / 12px 12px, var(--wash);padding:28px 14px 12px;transition:background-color .2s;display:block;position:relative}.kit-card-kind{color:var(--muted);font:500 10px/1.3 var(--font-tech);letter-spacing:.12em;text-transform:uppercase;position:absolute;top:8px;left:10px}.kit-card-drawing{width:100%;height:auto;display:block;overflow:visible}.kit-card-body{flex-direction:column;gap:8px;padding:14px 18px 18px;display:flex}.kit-card-body strong{font:700 18px/1.25 var(--font-display);transition:color .15s}.kit-card-text{color:#22405a;font-size:14px;line-height:1.55}.kit-card-tags{flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:6px;display:flex}.kit-card-tags span{border:1px solid var(--rule);color:var(--brand);font:500 10.5px/1.3 var(--font-tech);letter-spacing:.04em;padding:3px 7px}.kit-card-source{color:var(--muted);font:500 10.5px/1.4 var(--font-tech);letter-spacing:.1em;text-transform:uppercase}.kit-card a:hover strong,.kit-card a:focus-visible strong{color:var(--brand)}.kit-card a:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.kit-card-drawing 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.tp-code{fill:var(--ink);letter-spacing:0;font-size:9.5px}.kit-card-drawing .tp-current{fill:#ff870d38}.kit-card-drawing .tp-mark{fill:var(--ink);font:600 12px var(--font-tech)}.kit-card-drawing .tp-accent-fill{fill:var(--accent);stroke:var(--ink);stroke-width:1px}.kit-card-drawing .tp-hatch{fill:#165b9524;stroke:var(--brand);stroke-width:1px}.kit-card-drawing .tp-field-hole{fill:#165b952e;stroke:var(--brand);stroke-width:1.2px}.kit-card-drawing .tp-field-shaft{fill:#ff870d3d;stroke:#c46a0a;stroke-width:1.2px}.kit-card-drawing .tp-frame-out{fill:none;stroke:var(--ink);stroke-width:13px}.kit-card-drawing .tp-frame-in{fill:none;stroke:var(--surface);stroke-width:10.5px}.kit-card-drawing .tp-glyph{color:var(--ink)}.kit-card-drawing .tp-draw{fill:none;stroke:var(--accent);stroke-width:2.5px;stroke-dasharray:100;stroke-dashoffset:100px}@media (prefers-reduced-motion:no-preference){.kit-card-drawing :is(.tp-spin,.tp-slide,.tp-roll,.tp-draw){transition:transform .6s cubic-bezier(.3,.7,.2,1),stroke-dashoffset 1.2s}.kit-card a:is(:hover,:focus-visible) .tp-spin{transform:rotate(54deg)}.kit-card a:is(:hover,:focus-visible) .tp-slide{transform:translate(14px)}.kit-card a:is(:hover,:focus-visible) .tp-roll{transform:translateY(-12px)}.kit-card a:is(:hover,:focus-visible) .tp-draw{stroke-dashoffset:0}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}