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.trace-section{height:230px;position:relative;margin:18px 0;border:1px solid var(--line);border-radius:18px;background:linear-gradient(#edf5ff 0 28%,transparent 28%);overflow:hidden}.trace-air{height:28%}.trace-copper{width:var(--trace-width);height:12px;position:absolute;top:28%;left:50%;border-radius:3px 3px 0 0;background:#d98d28;transform:translate(-50%,-100%)}.trace-copper span{position:absolute;bottom:18px;left:50%;color:var(--ink);font-size:10px;font-weight:850;white-space:nowrap;transform:translateX(-50%)}.trace-dielectric{height:62%;display:grid;place-items:center;background:repeating-linear-gradient(45deg,color-mix(in srgb,var(--accent) 13%,var(--paper)) 0 8px,var(--paper) 8px 16px);border-top:2px solid var(--accent)}.trace-dielectric span{padding:6px 9px;border-radius:8px;background:var(--paper);font-size:11px;font-weight:800}.trace-ground{height:10%;background:#d98d28}
.calibration-plot{height:260px;padding:8px;border:1px solid var(--line);border-radius:17px;background:var(--paper)}.calibration-plot svg{width:100%;height:100%;overflow:visible}.calibration-plot line{vector-effect:non-scaling-stroke}.calibration-plot .ideal{stroke:var(--line);stroke-width:2;stroke-dasharray:7 6}.calibration-plot .fitline{stroke:var(--accent);stroke-width:3}.calibration-plot circle{fill:var(--paper);stroke:var(--accent);stroke-width:3;vector-effect:non-scaling-stroke}.fit-callout{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin:12px 0 18px;padding:16px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--accent) 8%,var(--paper))}.fit-callout strong{font-size:22px;color:var(--accent)}.fit-callout span{color:var(--muted)}
.fret-preview{max-height:620px;padding:15px;border:1px solid var(--line);border-radius:18px;background:#eef1f4;overflow:auto}.fret-preview svg{width:100%;min-width:520px;height:auto;display:block;filter:drop-shadow(0 8px 16px rgba(0,0,0,.12))}
.thread-train{min-height:170px;display:flex;align-items:center;justify-content:center;gap:8px;margin:18px 0;padding:15px;border:1px solid var(--line);border-radius:18px;background:var(--paper);overflow:auto}.thread-train span{width:76px;height:76px;min-width:76px;display:grid;place-items:center;align-content:center;border:6px dotted var(--accent);border-radius:50%;background:color-mix(in srgb,var(--accent) 8%,var(--paper))}.thread-train span b{font-size:10px;color:var(--muted)}.thread-train span strong{font-size:18px}.thread-train i{font-style:normal;font-weight:900;color:var(--accent)}
.spacer-stack{min-height:190px;display:flex;align-items:center;gap:6px;margin:18px 0;padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--paper);overflow:auto}.spacer-stack .optic{width:70px;min-width:70px;height:110px;display:grid;place-items:center;align-content:center;padding:5px;border:2px solid var(--accent);border-radius:10px;background:color-mix(in srgb,var(--accent) 8%,var(--paper));text-align:center}.spacer-stack .optic.fixed{width:90px;min-width:90px}.spacer-stack .optic.sensor{border-radius:4px;background:color-mix(in srgb,var(--accent) 18%,var(--paper))}.spacer-stack b{font-size:9px}.spacer-stack small{margin-top:6px;color:var(--muted)}.spacer-stack>i{font-style:normal;color:var(--accent);font-weight:900}
.resistor-circuit{min-height:180px;display:flex;align-items:center;justify-content:center;gap:12px;margin:18px 0;padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--paper);overflow:auto}.resistor-circuit span{display:flex;align-items:center;white-space:nowrap}.resistor-circuit span i{width:18px;height:2px;background:var(--ink)}.resistor-circuit span b{min-width:74px;padding:10px 8px;border:2px solid var(--accent);border-radius:7px;background:color-mix(in srgb,var(--accent) 8%,var(--paper));font-size:10px;text-align:center}.parallel-pair{display:grid;gap:10px;padding:10px;border-left:2px solid var(--ink);border-right:2px solid var(--ink)}.parallel-pair>div{display:flex;gap:6px}
.bend-strip{width:100%;min-height:160px;display:flex;align-items:center;margin:18px 0;padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--paper);overflow:auto}.bend-strip>*{height:64px;min-width:18px;display:grid;place-items:center;flex:var(--piece)}.flat-segment{border-top:8px solid var(--ink);background:linear-gradient(180deg,color-mix(in srgb,var(--ink) 8%,transparent),transparent)}.bend-zone{border-top:8px solid var(--accent);border-radius:50% 50% 0 0;background:color-mix(in srgb,var(--accent) 12%,transparent);font-style:normal}.bend-strip b{font-size:9px;color:var(--muted)}
.timecode-readout{margin:18px 0;padding:22px 14px;border:2px solid var(--ink);border-radius:18px;background:color-mix(in srgb,var(--accent) 8%,var(--paper));font:800 clamp(28px,7vw,56px)/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.04em;text-align:center}.euclid-grid{display:grid;grid-template-columns:repeat(var(--steps),minmax(42px,1fr));gap:6px;overflow:auto;padding:8px 0}.euclid-grid button{min-width:42px;height:62px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--muted)}.euclid-grid button.hit{border-color:var(--accent);background:var(--accent);color:#fff}.euclid-grid button b{font-size:9px}.euclid-grid button i{font-style:normal;font-size:20px}.euclid-circle{width:min(100%,320px);margin:auto}.euclid-circle svg{display:block;width:100%}.euclid-circle .ring{fill:none;stroke:var(--line);stroke-width:2}.euclid-circle circle.hit{fill:var(--accent)}.euclid-circle circle.rest{fill:var(--line)}.euclid-circle text{fill:#fff;font-size:8px;font-weight:800}.euclid-circle text.center{fill:var(--ink);font-size:18px}.euclid-circle text.sub{fill:var(--muted);font-size:10px}.rhythm-timeline{height:90px;display:flex;align-items:end;gap:3px;margin-top:18px;padding:10px;border:1px solid var(--line);border-radius:14px}.rhythm-timeline i{height:18%;flex:1;border-radius:4px 4px 0 0;background:var(--line);position:relative}.rhythm-timeline i.hit{height:86%;background:var(--accent)}.rhythm-timeline span{position:absolute;bottom:4px;left:0;right:0;color:var(--paper);font-size:7px;text-align:center}.vinyl-disc{width:min(100%,350px);margin:12px auto}.vinyl-disc svg{display:block;width:100%}.vinyl-disc .platter{fill:#161616}.vinyl-disc .grooves circle{fill:none;stroke:#666;stroke-width:.55}.vinyl-disc .grooves.over circle{stroke:var(--bad)}.vinyl-disc .label{fill:var(--accent)}.vinyl-disc .hole{fill:var(--paper)}.vinyl-disc text{fill:#fff;font-size:11px;font-weight:800}.flicker-risk{min-height:74px;display:flex;align-items:center;gap:14px;padding:12px 0}.flicker-risk i{width:120px;height:15px;border-radius:99px;background:linear-gradient(90deg,var(--good) 0 30%,#dca833 55%,var(--bad) 100%);position:relative}.flicker-risk i:after{content:"";width:10px;height:23px;position:absolute;left:var(--risk);top:50%;border:2px solid var(--ink);border-radius:4px;background:var(--paper);transform:translate(-50%,-50%)}.flicker-bars{height:190px;display:flex;align-items:end;gap:8px;padding:14px 8px 34px;border:1px solid var(--line);border-radius:16px;overflow:auto}.flicker-bars span{width:52px;min-width:52px;height:100%;display:flex;align-items:end;justify-content:center;position:relative}.flicker-bars i{width:28px;height:var(--score);border-radius:7px 7px 0 0;background:var(--accent)}.flicker-bars b{position:absolute;bottom:-19px;font-size:8px;white-space:nowrap}.flicker-bars small{position:absolute;top:4px;color:var(--muted)}
.knurl-ring,.index-plate{min-height:280px;display:grid;place-items:center}.knurl-ring>div,.index-plate>div{width:210px;height:210px;position:relative;display:grid;place-items:center;align-content:center;border:16px solid color-mix(in srgb,var(--accent) 18%,var(--paper));border-radius:50%}.knurl-ring i,.index-plate i{width:2px;height:18px;position:absolute;left:50%;top:-16px;background:var(--accent);transform-origin:1px 105px;transform:rotate(var(--a))}.knurl-ring b,.index-plate b{font-size:24px}.knurl-ring small,.index-plate small{color:var(--muted)}.index-plate i{width:7px;height:7px;top:-8px;border-radius:50%;transform-origin:3.5px 98px;background:var(--line)}.index-plate i.active{background:var(--accent)}.belt-drive{height:270px;display:flex;align-items:center;justify-content:center;gap:110px;position:relative;overflow:auto}.belt-drive .pulley{width:calc(var(--r)*2);height:calc(var(--r)*2);min-width:calc(var(--r)*2);display:grid;place-items:center;border:8px dotted var(--accent);border-radius:50%;background:color-mix(in srgb,var(--accent) 8%,var(--paper));z-index:2}.belt-drive>i{width:220px;height:120px;position:absolute;border-top:6px solid var(--ink);border-bottom:6px solid var(--ink);transform:skewY(-4deg);z-index:1}.thread-wire-profile{padding:12px;border:1px solid var(--line);border-radius:17px;background:var(--paper)}.thread-wire-profile svg{width:100%;display:block}.thread-wire-profile path{fill:none;stroke:var(--ink);stroke-width:5;stroke-linejoin:round}.thread-wire-profile circle{fill:color-mix(in srgb,var(--accent) 18%,var(--paper));stroke:var(--accent);stroke-width:3}.thread-wire-profile line{stroke:var(--accent);stroke-width:2}.thread-wire-profile text{fill:var(--muted);font-size:11px}
@media(max-width:820px){.gear-train{justify-content:flex-start}.shade-timeline{width:100%;min-width:0}.mosaic-preview{min-height:240px}.mode-map{width:100%}.fret-preview{max-height:480px}}
@media(max-width:520px){.gear-train{padding:10px}.link-profile{height:150px}.tower{height:86px}.sightline{bottom:85px}.fresnel-zone{bottom:calc(85px - var(--zone-size)/2)}.shade-window{height:200px}.mosaic-preview{min-height:210px;padding:10px;gap:4px}.mosaic-preview span{min-height:42px}.mode-map{gap:0;padding:4px}.trace-section{height:190px}.calibration-plot{height:220px}.fit-callout strong{font-size:18px}.fret-preview{padding:8px}.thread-train,.spacer-stack,.resistor-circuit{justify-content:flex-start;padding:10px}.thread-train span{width:62px;height:62px;min-width:62px}.bend-strip{padding:10px}.timecode-readout{padding:17px 8px}.euclid-grid{grid-template-columns:repeat(var(--steps),40px)}.flicker-bars{padding-inline:4px}}
.round-only,.slot-only,.distance-only,.delay-only{display:none!important}[data-port-shape="round"] .round-only,[data-port-shape="slot"] .slot-only,[data-comb-mode="distance"] .distance-only,[data-comb-mode="delay"] .delay-only{display:grid!important}.port-vent{min-height:250px;display:grid;place-items:center;padding:18px}.vent-box{width:min(100%,340px);height:210px;position:relative;display:grid;place-items:center;align-content:end;gap:5px;padding:20px;border:5px solid var(--ink);border-radius:18px;background:color-mix(in srgb,var(--accent) 7%,var(--paper));overflow:hidden}.vent-box i{width:var(--vent-w);height:135px;position:absolute;top:-5px;left:50%;border:5px solid var(--accent);border-top:0;border-radius:0 0 15px 15px;background:var(--paper);transform:translateX(-50%)}.vent-box b,.vent-box small{z-index:2}.vent-box small{color:var(--muted)}.meter-row{min-height:85px;display:flex;align-items:center;gap:16px;margin:10px 0 18px}.meter-row span{width:min(100%,330px);position:relative;display:grid;gap:5px;padding-top:22px}.meter-row span>i{height:14px;border-radius:99px;background:linear-gradient(90deg,var(--good),#e5b533 60%,var(--bad));position:absolute;top:0;left:0;right:0}.meter-row span>i:after{content:"";width:9px;height:24px;position:absolute;left:var(--meter);top:50%;border:2px solid var(--ink);border-radius:3px;background:var(--paper);transform:translate(-50%,-50%)}.meter-row small{color:var(--muted)}.lpad-circuit{min-height:220px;display:flex;align-items:center;justify-content:center;gap:8px;padding:18px;overflow:auto}.lpad-circuit>i{width:34px;min-width:20px;height:2px;background:var(--ink)}.lpad-circuit>b,.lpad-circuit>div>b{min-width:82px;padding:12px 8px;border:2px solid var(--accent);border-radius:9px;background:color-mix(in srgb,var(--accent) 7%,var(--paper));text-align:center}.lpad-circuit>div{display:grid;gap:12px;padding:14px;border-left:2px solid var(--ink);border-right:2px solid var(--ink)}.lpad-circuit small{color:var(--muted);font-size:9px}.coordinate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.delay-plan{min-height:210px;display:flex;align-items:center;justify-content:center;gap:11px;padding:16px;overflow:auto}.delay-plan>div{width:105px;height:105px;min-width:105px;display:grid;place-items:center;align-content:center;gap:7px;border:3px solid var(--accent);border-radius:50%;background:color-mix(in srgb,var(--accent) 8%,var(--paper));text-align:center}.delay-plan .listener{border-radius:20px;border-color:var(--ink)}.delay-plan>i{width:50px;min-width:30px;height:2px;position:relative;background:var(--accent)}.delay-plan>i:after{content:"";position:absolute;right:0;top:-4px;border-left:8px solid var(--accent);border-top:5px solid transparent;border-bottom:5px solid transparent}.delay-plan small{font-size:9px;color:var(--muted)}.delay-map{display:grid;grid-template-columns:repeat(var(--cols),minmax(7px,1fr));gap:1px;padding:5px;border:2px solid var(--ink);border-radius:14px;background:var(--ink);overflow:hidden}.delay-map i{min-height:24px;display:grid;place-items:center;font-style:normal}.delay-map span{color:var(--ink);font-size:6px;font-weight:850}.delay-legend{display:grid;grid-template-columns:auto 1fr auto 1fr auto;align-items:center;gap:8px;margin-top:10px;color:var(--muted);font-size:9px}.delay-legend i{height:9px;border-radius:99px}.delay-legend i:first-of-type{background:linear-gradient(90deg,#3478d4,var(--paper))}.delay-legend i:last-of-type{background:linear-gradient(90deg,var(--paper),#dd5c45)}.comb-wave{height:190px;position:relative;margin:16px 0;border-bottom:2px solid var(--line);overflow:hidden}.comb-wave i{width:calc(100% - 30px);height:60px;position:absolute;left:15px;top:40px;background:repeating-radial-gradient(ellipse at left,transparent 0 17px,var(--accent) 18px 20px,transparent 21px 34px);opacity:.9}.comb-wave .secondary{left:var(--shift);top:78px;opacity:min(1,var(--level));filter:hue-rotate(100deg)}.comb-wave b{position:absolute;right:10px;bottom:12px;color:var(--muted)}.comb-chart{height:330px;padding:8px;border:1px solid var(--line);border-radius:17px;background:var(--paper);overflow:auto}.comb-chart svg{width:100%;min-width:620px;height:100%;display:block}.comb-chart .grid line{stroke:var(--line);stroke-width:1}.comb-chart text{fill:var(--muted);font-size:10px}.comb-chart polyline{fill:none;stroke:var(--accent);stroke-width:3;vector-effect:non-scaling-stroke}
@media(max-width:520px){.lpad-circuit,.delay-plan{justify-content:flex-start;padding:10px}.coordinate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.delay-map i{min-height:18px}.meter-row{align-items:flex-start;flex-direction:column}.comb-chart{height:280px}}

.controls button{height:40px}.parts-table button{width:40px;height:40px}.footer-support{min-height:40px;display:inline-flex;align-items:center}.field-row>div{min-width:0}.table-wrap{width:100%;max-width:100%;overflow:auto;border:1px solid var(--line);border-radius:15px}.table-wrap table{width:100%;min-width:680px;border-collapse:collapse}.table-wrap th,.table-wrap td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:11px;white-space:nowrap}.table-wrap th{color:var(--muted)}