:root{--bg:#f1f4f0;--surface:#fff;--surface-2:#e7ece6;--surface-3:#dce3db;--fg:#142019;--muted:#55635a;--line:#cfd8d0;--accent:#a65800;--accent-soft:#f7e8d4;--accent-ink:#fff;--pcb:#18724a;--pcb-soft:#d9eee0;--warn:#b3261e;--warn-soft:#fbe4e1;--trace:#c6d1c8;--code-bg:#14201a;--code-fg:#dde9e1;--shadow:0 1px 2px #1420190f, 0 8px 24px -12px #1420192e;--display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;--body:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--mono:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--r:12px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#0c120f;--surface:#131b17;--surface-2:#1a241f;--surface-3:#22302a;--fg:#e1e9e3;--muted:#95a49b;--line:#27332d;--accent:#f2a445;--accent-soft:#382710;--accent-ink:#1a1206;--pcb:#4cc38a;--pcb-soft:#13301f;--warn:#ff8f85;--warn-soft:#3a1916;--trace:#2b3a33;--code-bg:#0a0f0c;--code-fg:#d6e4db;--shadow:0 1px 2px #0000004d, 0 10px 30px 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1fr));gap:16px;display:grid}.btn{border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--fg);border-radius:9px;align-items:center;gap:8px;padding:9px 16px;font-size:.9rem;font-weight:500;text-decoration:none;transition:border-color .15s,transform .15s;display:inline-flex}.btn:hover{border-color:var(--accent);color:var(--fg)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{color:var(--accent-ink);filter:brightness(1.05)}.btn.ghost{background:0 0}.btn.sm{padding:5px 11px;font-size:.82rem}.btn.danger{color:var(--warn);border-color:color-mix(in srgb, var(--warn) 40%, var(--line))}.chip{background:var(--surface-2);border:1px solid var(--line);white-space:nowrap;border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:.8rem;display:inline-flex}.chip.on{background:var(--pcb-soft);color:var(--pcb);border-color:color-mix(in srgb, var(--pcb) 30%, 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var(--line);touch-action:none;-webkit-user-select:none;user-select:none;border-radius:14px;width:100%;min-width:0;height:auto;display:block}.pg-boardwrap{overflow-x:auto}.pg-board.wiring,.pg-board .pin{cursor:crosshair}.pg-board .pin:hover circle:last-of-type{r:8.5}.pg-board .pgpart:active{cursor:grabbing}.pg-legend{flex-wrap:wrap;align-items:center;gap:6px 14px;display:flex}.pg-legend i{vertical-align:middle;border-radius:2px;width:14px;height:4px;margin-right:5px;display:inline-block}.pg-insp{gap:14px;min-width:0}.diag{text-align:left;border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:8px;align-items:flex-start;gap:8px;padding:8px 10px;font-size:.84rem;line-height:1.45;display:flex}.diag svg{flex:none;margin-top:2px}.diag.err{background:var(--warn-soft);border-color:color-mix(in srgb, var(--warn) 35%, var(--line))}.diag.err svg{color:var(--warn)}.diag.warn{background:color-mix(in srgb, #e2a400 12%, var(--surface))}.diag.warn svg{color:#b88400}.diag.ok{background:var(--pcb-soft)}.diag.ok svg{color:var(--pcb)}.flow{stroke-dasharray:4 14;animation:.9s linear infinite flow}@keyframes flow{to{stroke-dashoffset:-18px}}@media (width<=900px){.rail{border:1px solid var(--line);background:var(--surface);border-radius:12px;max-height:280px;padding:8px;overflow-y:auto}}@media (width<=760px){.pg-board{min-width:720px}}.meter{border-color:color-mix(in srgb, #e2a400 50%, var(--line))}.lcd{color:#1d2416;font:500 1.9rem/1 var(--mono);text-align:right;letter-spacing:.02em;background:#b9c7a4;border-radius:8px;padding:10px 14px;box-shadow:inset 0 2px 6px #00000040}.md-ready{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:24px;display:grid}@media (width<=600px){.md-ready{grid-template-columns:1fr}}.md-paths{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px;display:grid}.md-path{text-align:left;border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:12px;flex-direction:column;gap:4px;padding:16px;display:flex;position:relative}.md-path b{font-family:var(--display);font-size:1.3rem;font-weight:800}.md-path.on{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent)}.md-path.rec{background:color-mix(in srgb, var(--pcb-soft) 60%, var(--surface))}.md-badge{font:500 .66rem var(--mono);text-transform:uppercase;letter-spacing:.08em;background:var(--pcb);color:var(--bg);border-radius:999px;padding:2px 7px;position:absolute;top:10px;right:10px}.md-pipe{counter-reset:s;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.md-pipe li{border:1px solid var(--line);background:var(--surface);border-radius:12px;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:14px;display:grid}.md-num{background:var(--accent-soft);width:30px;height:30px;color:var(--accent);font:600 .85rem var(--mono);border-radius:9px;place-items:center;display:grid}.mission{border-bottom:1px dashed var(--line);padding:6px 0}.mission:last-child{border-bottom:0}.mission.done .grow{color:var(--muted)}.toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:50;background:var(--fg);color:var(--bg);box-shadow:var(--shadow);border-radius:14px;align-items:center;gap:10px;max-width:calc(100vw - 32px);padding:12px 18px;font-size:.92rem;display:flex;position:fixed}.toast svg{color:var(--pcb)}.confetti{pointer-events:none;border-radius:2px;width:8px;height:8px;position:absolute;top:50%;left:50%}.pg-bin{grid-row:1/span 2}.pg-boardwrap{grid-row:1}.pg-insp{grid-row:2}@media (width<=760px){.pg-bin,.pg-boardwrap,.pg-insp{grid-row:auto}}.studio{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start;gap:16px;display:grid}@media (width<=900px){.studio{grid-template-columns:1fr}}.studio-prev{background:var(--surface-2);border-radius:12px;width:100%;height:auto;display:block}.framestrip{gap:8px;margin:0;padding:4px 2px 8px;list-style:none;display:flex;overflow-x:auto}.frame{border:1px solid var(--line);background:var(--surface);cursor:grab;-webkit-user-select:none;user-select:none;border-radius:10px;flex-direction:column;flex:none;align-items:center;gap:2px;padding:6px;display:flex;position:relative}.frame.on{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent)}.frame-warn{color:#fff;background:#e2a400;border-radius:50%;place-items:center;width:16px;height:16px;display:grid;position:absolute;top:4px;right:4px}.navlink,.navlink svg{flex:none}.navlink{padding:8px 9px;font-size:.88rem}.brand-text{display:none}.pal-backdrop{z-index:60;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#080c0a73;justify-content:center;align-items:flex-start;padding:max(10vh,24px) 16px 16px;display:flex;position:fixed;inset:0}.pal{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;width:min(640px,100%);max-height:72vh;display:flex;overflow:hidden;box-shadow:0 30px 80px -20px #00000080}.pal-in{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:14px 16px;display:flex}.pal-in input{color:var(--fg);background:0 0;border:0;outline:none;flex:1;padding:4px 0;font-size:1.05rem}.pal-list{padding:6px;overflow-y:auto}.pal-item{text-align:left;cursor:pointer;width:100%;color:var(--fg);background:0 0;border:0;border-radius:10px;align-items:center;gap:12px;padding:9px 10px;display:flex}.pal-item svg:first-child{color:var(--muted);flex:none}.pal-item.on{background:var(--accent-soft)}.pal-item.on svg:first-child{color:var(--accent)}.pal-t{white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:600;overflow:hidden}.pal-s{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:.78rem;overflow:hidden}.pal-foot{border-top:1px solid var(--line);flex-wrap:wrap;gap:16px;padding:10px 16px;display:flex}kbd{font:500 .7rem var(--mono);border:1px solid var(--line);background:var(--surface-2);color:var(--muted);border-radius:5px;padding:1px 6px}.searchbtn{border:1px solid var(--line);background:var(--surface);height:38px;color:var(--muted);cursor:pointer;border-radius:10px;flex:none;align-items:center;gap:8px;padding:0 10px;display:flex}.searchbtn:hover{border-color:var(--accent);color:var(--fg)}@media (width<=760px){.searchbtn kbd{display:none}}.heat{grid-template-rows:repeat(7,13px);grid-auto-flow:column;gap:3px;padding-bottom:4px;display:grid;overflow-x:auto}.heat i{background:var(--surface-2);border-radius:3px;width:13px;height:13px;display:block}.badges{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.badge{text-align:center;border:1px solid var(--line);background:var(--surface);border-radius:12px;flex-direction:column;align-items:center;gap:6px;padding:14px 10px;display:flex}.badge .medal{background:var(--surface-2);width:46px;height:46px;color:var(--muted);border-radius:50%;place-items:center;display:grid}.badge.got .medal{background:linear-gradient(135deg, var(--accent), #f2c38b);color:#fff;box-shadow:0 6px 18px -6px var(--accent)}.badge:not(.got){opacity:.55}.badge b{font-family:var(--display);font-size:.92rem}.bench{z-index:70;background:var(--bg);padding:max(14px, env(safe-area-inset-top,0px)) max(16px, env(safe-area-inset-right,0px)) max(14px, env(safe-area-inset-bottom,0px)) max(16px, env(safe-area-inset-left,0px));flex-direction:column;display:flex;position:fixed;inset:0}.bench-top{align-items:center;gap:16px;width:100%;max-width:980px;margin:0 auto;display:flex}.bench-top .eyebrow{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.bench-dots{gap:6px;display:flex}.bench-dots button{border:2px solid var(--trace);cursor:pointer;background:0 0;border-radius:50%;width:12px;height:12px;padding:0}.bench-dots button.done{background:var(--pcb);border-color:var(--pcb)}.bench-dots button.cur{border-color:var(--accent);transform:scale(1.3)}.bench-body{flex:1;justify-content:center;padding:28px 0;display:flex;overflow-y:auto}.bench-step{flex-direction:column;gap:18px;width:100%;max-width:860px;display:flex}.bench-title{letter-spacing:-.02em;font-size:clamp(1.7rem,4.6vw,3rem)}.bench-text{max-width:70ch;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.6}.bench-foot{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;padding-top:12px;display:flex}.bench-go{padding:14px 26px;font-size:1.05rem}.bench-keys{text-align:center;margin-top:8px}.parts-sum{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:8px 0 16px;display:grid}.parts-sum .fact{background:var(--surface);border:1px solid var(--line);border-radius:12px;gap:2px;padding:12px 14px}.parts-sum .fact b{font-size:1.25rem}.parts-sum .fact span{color:var(--muted);font-size:.8rem}.parts-search{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;flex:240px;align-items:center;gap:8px;padding:7px 11px;display:flex}.parts-search input{font:inherit;color:var(--fg);background:0 0;border:0;outline:none;width:100%;min-width:0}.parts-ctrl .chip{white-space:normal}.parts-legend{margin:12px 0 0;line-height:2}.parts-list{flex-direction:column;gap:8px;margin-top:10px;display:flex}.part-row{background:var(--surface);border:1px solid var(--line);border-radius:12px;justify-content:space-between;gap:16px;padding:12px 14px;display:flex;overflow:hidden}.part-row.have{opacity:.62}.part-row.have .part-price .num{text-decoration:line-through}.part-main{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.part-name{font-weight:600}.part-used a{color:var(--pcb);margin-left:6px;text-decoration:none}.part-used a.reuse{color:var(--muted)}.part-note{color:var(--fg);opacity:.85;margin:0}.part-price{text-align:right;flex-direction:column;flex:none;align-items:flex-end;gap:4px;display:flex}.part-price .num{font-size:1.02rem;font-weight:600}@media (width<=640px){.part-row{flex-direction:column;gap:10px}.part-price{text-align:left;align-items:flex-start}}.buy-chips{flex-wrap:wrap;gap:5px;display:inline-flex}.buy-chip{border:1px solid var(--line);background:var(--surface-2);color:var(--fg);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:.74rem;text-decoration:none;transition:border-color .15s,background .15s;display:inline-flex}.buy-chip:hover{border-color:var(--accent);background:var(--accent-soft)}.buy-chip.direct{border-color:color-mix(in srgb, var(--pcb) 40%, var(--line));background:var(--pcb-soft);color:var(--pcb);font-weight:600}.buy-menu{vertical-align:1px;display:inline-block;position:relative}.buy-btn{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--accent);cursor:pointer;border-radius:999px;align-items:center;gap:4px;padding:1px 7px;font-size:.7rem;display:inline-flex}.buy-btn:hover,.buy-btn[aria-expanded=true]{border-color:var(--accent);background:var(--accent-soft)}.buy-pop{z-index:60;background:var(--surface);border:1px solid var(--line);width:240px;box-shadow:var(--shadow);border-radius:10px;flex-direction:column;padding:6px;display:flex;position:fixed}.buy-pop a{color:var(--fg);border-radius:7px;align-items:center;gap:8px;padding:7px 9px;font-size:.85rem;font-weight:400;text-decoration:none;display:flex}.buy-pop a:hover{background:var(--surface-2)}.buy-pop .buy-all{border-top:1px solid var(--line);color:var(--pcb);border-radius:0 0 7px 7px;margin-top:4px;font-weight:600}