:root{--bg:#131316;--canvas:#1a1a1e;--dot:#303038;--panel:rgba(30,30,35,.88);--panel-border:#34343c;--body-fill:#26262c;--body-stroke:#45454f;--text:#ececf1;--muted:#8e8e99;--accent:#0a84ff;--hi:#30d158;--lo:#4d4d57;--led-on:#ff453a;font-size:14px}*{margin:0;padding:0;box-sizing:border-box;-webkit-user-select:none;-moz-user-select:none;user-select:none}body,html{height:100%;overflow:hidden;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text)}.mono{font-family:ui-monospace,SF Mono,SFMono-Regular,Menlo,Consolas,monospace}.ellip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#app{display:flex;flex-direction:column;height:100vh}#titlebar{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;background:var(--panel);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--panel-border);flex-shrink:0;z-index:5}.lights{display:flex;gap:8px}.lights span{width:12px;height:12px;border-radius:50%}.lights .r{background:#ff5f57}.lights .y{background:#febc2e}.lights .g{background:#28c840}#appname{font-weight:600;font-size:13px;letter-spacing:.2px;white-space:nowrap}#appname em{font-style:normal;color:var(--muted);font-weight:400;margin-left:8px;font-size:12px}#titlebar .spacer{flex:1 1}.tbtn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--panel-border);background:#2a2a31;color:var(--text);padding:5px 12px;border-radius:7px;font-size:12.5px;font-weight:500;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .12s,border-color .12s}.tbtn:hover{background:#33333b}.tbtn:active{background:#3c3c46}.tbtn:disabled{opacity:.35;cursor:default}.tbtn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.tbtn.danger:hover{border-color:#7a3a38}.tbtn.on,.tbtn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.tbtn.primary:hover{background:#2b93ff}.tbtn.primary:disabled{background:#2a2a31;border-color:var(--panel-border);color:var(--text)}.tbtn.ghostbtn{background:transparent}.labelinput{width:130px;background:#202027;border:1px solid var(--panel-border);border-radius:7px;color:var(--text);padding:5px 9px;font-size:12px}.labelinput:focus{outline:none;border-color:var(--accent)}#zoomgrp{display:flex;align-items:center;gap:2px;border:1px solid var(--panel-border);border-radius:7px;overflow:hidden;background:#2a2a31}#zoomgrp button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--text);width:28px;height:27px;font-size:15px;cursor:pointer}#zoomgrp button:hover{background:#33333b}#zoomlabel{min-width:46px;text-align:center;font-size:11.5px;color:var(--muted)}#selcount{font-size:11.5px;padding:5px 10px;white-space:nowrap}#freqgrp,#ningrp,#selcount{color:var(--muted);border:1px solid var(--panel-border);border-radius:7px;background:#2a2a31}#freqgrp,#ningrp{display:flex;align-items:center;gap:2px;overflow:hidden;font-size:11px}#ningrp span{padding:0 4px 0 9px}#ningrp button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--text);width:26px;height:27px;font-size:12px;cursor:pointer}#ningrp button:hover{background:#33333b}#ningrp button.on{background:var(--accent);color:#fff}#freqgrp input{width:58px;background:none;border:none;color:var(--text);padding:5px 2px 5px 9px;font-size:12px;text-align:right;-webkit-user-select:text;-moz-user-select:text;user-select:text}#freqgrp input:focus{outline:none}#freqgrp span{padding:0 9px 0 2px}#livedot{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted);white-space:nowrap}#livedot i{width:7px;height:7px;border-radius:50%;background:var(--hi);box-shadow:0 0 6px var(--hi);animation:pulse 2.4s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}#main{display:flex;flex:1 1;min-height:0}#palette{width:186px;flex-shrink:0;background:var(--panel);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--panel-border);overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:2px}.pal-head{font-size:10.5px;font-weight:600;letter-spacing:.8px;color:var(--muted);text-transform:uppercase;margin:12px 4px 5px}#palette>div:first-child .pal-head{margin-top:0}.pal-item{position:relative;display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:8px;cursor:-webkit-grab;cursor:grab;border:1px solid transparent;transition:background .12s,border-color .12s;touch-action:none}.pal-item:hover{background:#2c2c33;border-color:var(--panel-border)}.pal-item:active{cursor:-webkit-grabbing;cursor:grabbing}.pal-item.armed{background:#2c2c33;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.pal-item .nm{font-size:12.5px;font-weight:500}.pal-item .sub{font-size:10.5px;color:var(--muted);margin-top:1px}.pal-empty{font-size:11px;color:var(--muted);line-height:1.5;padding:4px 8px 8px}.pal-empty b{color:var(--text);font-weight:500}.chipdel{position:absolute;right:6px;top:50%;transform:translateY(-50%);-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:#3a3a42;color:var(--muted);width:18px;height:18px;border-radius:50%;font-size:12px;line-height:1;cursor:pointer;opacity:0;transition:opacity .12s}.pal-item:hover .chipdel{opacity:1}.chipdel:hover{background:#7a3a38;color:#fff}#canvaswrap{flex:1 1;position:relative;min-width:0;background:var(--canvas)}#board{width:100%;height:100%;display:block;touch-action:none;cursor:default}#board.panning{cursor:-webkit-grabbing;cursor:grabbing}#board.panready{cursor:-webkit-grab;cursor:grab}#board.wiring{cursor:crosshair}#board.placing{cursor:copy}.toast{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);-webkit-backdrop-filter:blur(24px);border:1px solid var(--panel-border);border-radius:9px;padding:9px 16px;font-size:12.5px;max-width:min(90%,480px);text-align:center;box-shadow:0 8px 30px rgba(0,0,0,.45)}#statusbar,.toast{background:var(--panel);backdrop-filter:blur(24px)}#statusbar{height:30px;flex-shrink:0;display:flex;align-items:center;gap:18px;padding:0 14px;-webkit-backdrop-filter:blur(24px);border-top:1px solid var(--panel-border);font-size:11.5px;color:var(--muted);overflow:hidden;white-space:nowrap}#statusbar b{font-weight:500}#statusbar b,kbd{color:var(--text)}kbd{font-family:ui-monospace,SF Mono,Menlo,monospace;background:#2c2c33;border:solid var(--panel-border);border-width:1px 1px 2px;border-radius:4px;padding:0 4px;font-size:10px}.comp .body{fill:var(--body-fill);stroke:var(--body-stroke);stroke-width:1.5}.comp .pinport{stroke:var(--accent)}.comp .pinport.hi{stroke:var(--hi)}.comp .pindigit{fill:var(--muted);font-size:15px;font-weight:600;text-anchor:middle;font-family:ui-monospace,SF Mono,Menlo,monospace;pointer-events:none}.comp .pindigit.hi{fill:var(--hi)}.comp .resizegrip{stroke:var(--accent);stroke-width:2;stroke-linecap:round;fill:none;pointer-events:none}.comp .resizehit{fill:transparent;cursor:nwse-resize}.comp .lbl{fill:var(--muted);font-size:9px;letter-spacing:.6px;font-family:ui-monospace,SF Mono,Menlo,monospace}.comp .chipname,.comp .lbl{text-anchor:middle;pointer-events:none}.comp .chipname{fill:var(--text);font-size:11px;font-weight:600;letter-spacing:.3px}.comp .pinname{fill:var(--muted);font-size:8px;letter-spacing:.4px;font-family:ui-monospace,SF Mono,Menlo,monospace;pointer-events:none}.comp .stub{stroke:var(--lo);stroke-width:2;fill:none}.comp .stub.hi{stroke:var(--hi)}.comp .pinhit{fill:transparent;cursor:crosshair}.comp .pin{fill:#5a5a66;stroke:var(--canvas);stroke-width:1.5;pointer-events:none;transition:fill .1s}.comp .pin.hi{fill:var(--hi)}.comp .pinhit:hover+.pin{fill:var(--accent)}.comp.selected .body{stroke:var(--accent);stroke-width:2}.comp{cursor:move}.wire{fill:none;stroke:var(--lo);stroke-width:2.25;stroke-linejoin:round;stroke-linecap:round;pointer-events:none}.wire.hi{stroke:var(--hi);filter:drop-shadow(0 0 2.5px rgba(48,209,88,.85))}.junction{fill:var(--lo);pointer-events:none}.junction.hi{fill:var(--hi)}.wirehit{fill:none;stroke:transparent;stroke-width:12;cursor:pointer}.wire.selected,.wirehit:hover+.wire,.wirepreview{stroke:var(--accent)}.wirepreview{fill:none;stroke-width:2;stroke-dasharray:6 5;stroke-linejoin:round;pointer-events:none;opacity:.9}.wirestop{fill:var(--accent);stroke:var(--canvas);stroke-width:1}.marquee,.wirestop{pointer-events:none}.marquee{fill:rgba(10,132,255,.08);stroke:var(--accent);stroke-width:1;stroke-dasharray:4 3}.ghost{opacity:.5;pointer-events:none}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:20}.overlay.auth{background:rgba(8,8,12,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.dialog.authdialog{width:min(92vw,384px)}.authtabs{display:flex;gap:4px;background:#17171b;border:1px solid var(--panel-border);border-radius:9px;padding:4px;margin-bottom:16px}.authtabs button{flex:1 1;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;color:var(--muted);padding:7px 0;border-radius:6px;font-size:12.5px;font-weight:500;cursor:pointer;transition:background .12s,color .12s}.authtabs button:hover{color:var(--text)}.authtabs button.on{background:var(--accent);color:#fff}.authtabs button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.authfield{display:block;margin-bottom:10px}.authfield span{display:block;font-size:10.5px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);margin-bottom:5px}.authfield span em{font-style:normal;font-weight:400;text-transform:none;letter-spacing:0;opacity:.75}.authfield input:disabled{opacity:.55}.authhint{font-size:11.5px;color:var(--muted);margin:-4px 0 10px}.autherr{background:rgba(255,69,58,.09);border:1px solid rgba(255,69,58,.35);color:#ff8a80;border-radius:8px;padding:8px 11px;font-size:12px;line-height:1.45;margin-bottom:12px}.authsubmit{width:100%;padding:9px 12px;font-size:13px;margin-top:2px}.authfoot{margin-top:14px;padding-top:12px;border-top:1px solid var(--panel-border);font-size:11.5px;color:var(--muted);text-align:center}.authfoot a{color:var(--accent);text-decoration:none}.authfoot a:hover{text-decoration:underline}.dialog{width:min(92vw,420px);background:#1f1f24;border:1px solid var(--panel-border);border-radius:14px;padding:22px;box-shadow:0 24px 80px rgba(0,0,0,.6)}.dialog h2{font-size:15px;font-weight:600;margin-bottom:8px}.dialog p{font-size:12.5px;color:var(--muted);line-height:1.55;margin-bottom:14px}.dialog p b{color:var(--text);font-weight:500}.dialog input{width:100%;background:#17171b;border:1px solid var(--panel-border);border-radius:8px;color:var(--text);padding:9px 11px;font-size:13px;-webkit-user-select:text;-moz-user-select:text;user-select:text}.dialog input:focus{outline:none;border-color:var(--accent)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.labelinput{-webkit-user-select:text;-moz-user-select:text;user-select:text}@media(prefers-reduced-motion:reduce){#livedot i{animation:none}}@media(max-width:860px){#titlebar{flex-wrap:wrap;height:auto;padding:8px 14px;row-gap:6px}#main{flex-direction:column}#palette{width:100%;height:104px;flex-direction:row;align-items:center;overflow-x:auto;overflow-y:hidden;border-right:none;border-bottom:1px solid var(--panel-border);padding:8px}#palette>div{display:flex;gap:4px}.pal-head{display:none}.pal-item{flex-direction:column;gap:4px;min-width:76px;text-align:center}.pal-item .sub{display:none}.pal-empty{min-width:200px}#statusbar span:nth-child(n+3){display:none}}