:root{--bg:#080c12;--panel:#0d131b;--panel2:#141d28;--line:#dfe7f2;--muted:#8793a3;--grid:rgba(255,255,255,.045);--border:rgba(255,255,255,.12);--hot:#ff4055;--ok:#89f5a7;--warn:#f5b64a;--lamp:#ffb342;--blue:#8bd1ff}html[data-theme="light"]{--bg:#f4f7fb;--panel:#fff;--panel2:#edf2f7;--line:#111827;--muted:#667085;--grid:rgba(15,23,42,.08);--border:rgba(15,23,42,.16);--hot:#dc2626;--ok:#16a34a;--warn:#d97706;--lamp:#f59e0b;--blue:#2563eb}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% -20%,rgba(120,170,220,.16),transparent 42%),var(--bg);color:var(--line);font-family:Inter,Arial,sans-serif}.app-shell{height:100vh;display:flex;flex-direction:column}.topbar{height:74px;display:flex;align-items:center;border-bottom:1px solid var(--border);padding:0 18px;gap:24px}.brand{display:flex;gap:12px;align-items:center;width:320px}.brand-mark{border:1px solid var(--border);border-radius:10px;width:38px;height:38px;display:grid;place-items:center;font-weight:900}.brand-title{font-weight:900;font-size:22px;letter-spacing:.32em}.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.22em}.tabs{display:flex;margin:auto;border:1px solid var(--border);border-radius:16px;overflow:hidden}.tab{min-width:170px;background:transparent;color:var(--muted);border:0;padding:14px 22px;font-weight:800;letter-spacing:.16em}.tab.active{color:var(--line);background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.03))}.top-status{display:flex;align-items:center;gap:9px;border:1px solid var(--border);border-radius:999px;padding:8px 12px;background:rgba(255,255,255,.03);font-size:12px;color:var(--muted);white-space:nowrap}.top-status-dot{width:9px;height:9px;border-radius:50%;background:var(--warn);box-shadow:0 0 14px var(--warn)}.top-status.ok .top-status-dot{background:var(--ok);box-shadow:0 0 14px var(--ok)}.top-status.err .top-status-dot{background:var(--hot);box-shadow:0 0 14px var(--hot)}.top-status b{color:var(--line);letter-spacing:.06em}.top-actions{display:flex;gap:10px}.icon-btn,.ghost{background:var(--panel);color:var(--line);border:1px solid var(--border);border-radius:10px;padding:0 14px;height:40px}.workspace{height:calc(100vh - 74px);display:grid;grid-template-columns:260px 1fr 340px}.sidebar{border-color:var(--border);padding:22px;background:rgba(255,255,255,.018);overflow:auto}.leftbar{border-right:1px solid var(--border)}.rightbar{border-left:1px solid var(--border)}h2,h3{margin:0 0 14px}h2{font-size:14px;letter-spacing:.16em;text-transform:uppercase}.small,.hint-box{font-size:12px;line-height:1.45;color:var(--muted)}.group-title{font-size:11px;color:var(--muted);margin:18px 0 8px;text-transform:uppercase}.palette-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.component-card{height:86px;background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.015));border:1px solid var(--border);color:var(--line);border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer}.component-card:hover{border-color:rgba(139,209,255,.6);box-shadow:0 0 24px rgba(139,209,255,.08)}.hint-box{border:1px dashed var(--border);padding:13px;border-radius:14px;margin-top:24px}.canvas-wrap{padding:18px;min-width:0}#canvas{width:100%;height:100%;border:1px solid var(--border);border-radius:18px;background:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:32px 32px;touch-action:none;cursor:default}.symbol-line{stroke:var(--line);stroke-width:4;fill:none;stroke-linecap:round;stroke-linejoin:round}.symbol-dash{stroke:var(--line);stroke-width:3;fill:none;stroke-linecap:round;stroke-dasharray:7 7}.hitbox{fill:transparent;stroke:none;pointer-events:all}.component{cursor:grab}.select-box{fill:transparent;stroke:rgba(139,209,255,.24);stroke-width:1.4;stroke-dasharray:6 7;pointer-events:none}.component.selected .select-box{stroke:var(--blue);stroke-width:2;stroke-dasharray:7 5;fill:transparent}.terminal{fill:var(--bg);stroke:var(--line);stroke-width:3;cursor:crosshair;pointer-events:all}.terminal:hover,.terminal.active{stroke:var(--blue);filter:url(#glowRed)}.wire-hit{fill:none;stroke:transparent;stroke-width:18;stroke-linecap:round;stroke-linejoin:round;cursor:pointer}.wire{fill:none;stroke:var(--line);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}.wire.hot{stroke:var(--hot);filter:url(#glowRed)}.wire.selected{stroke:var(--blue)}.wire-preview{fill:none;stroke:var(--blue);stroke-width:3;stroke-dasharray:8 8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}.junction{fill:var(--line);stroke:var(--bg);stroke-width:2}.label{fill:var(--line);font-size:24px;font-weight:800;pointer-events:none}.sub{fill:var(--muted);font-size:16px;pointer-events:none}.tiny{fill:var(--muted);font-size:12px;pointer-events:none}.lamp-aura{fill:var(--lamp);opacity:.18;filter:url(#glowLamp);pointer-events:none}.lamp-core{stroke:var(--lamp);filter:url(#glowLamp)}.panel,.info-panel{border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));padding:14px;margin-bottom:14px}.panel h3{text-transform:uppercase;letter-spacing:.14em;font-size:12px}.status{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:auto;border:4px solid var(--ok);color:var(--ok);font-weight:900}.status.warn{border-color:var(--warn);color:var(--warn)}.status.err{border-color:var(--hot);color:var(--hot)}#statusText{text-align:center;color:var(--muted);font-size:13px}.measure-list{display:grid;gap:8px}.m-card{border-left:1px solid var(--border);padding-left:12px;color:var(--muted);font-size:13px;line-height:1.7}.m-card strong{display:block;color:var(--line)}.info-title{font-size:22px;font-weight:900;margin-bottom:4px}.info-sub{color:var(--muted);margin-bottom:14px}.kv{display:grid;grid-template-columns:1fr auto;gap:8px;border-top:1px solid var(--border);padding-top:10px;margin-top:10px;color:var(--muted);font-size:13px}.field-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:10px 0;color:var(--muted)}input,select{background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--line);padding:8px;width:100px}.danger{border-color:rgba(255,64,85,.45);color:#ff7584}.mini{font-size:36px;line-height:1}.battery-mini:before{content:'▣'}.ground-mini:before{content:'⏚'}.fuse-mini:before{content:'▭'}.switch-mini:before{content:'⎋'}.lamp-mini:before{content:'⊗'}@media(max-width:1200px){.workspace{grid-template-columns:220px 1fr}.rightbar{display:none}.brand{width:auto}.tabs .tab{min-width:auto}}@media(max-width:900px){.workspace{grid-template-columns:1fr}.sidebar{display:none}.brand-sub{display:none}}

.hotkeys-box{border:1px solid var(--border);border-radius:14px;margin-top:16px;padding:12px;color:var(--muted);font-size:12px;line-height:1.8;opacity:.82}
.hotkeys-title{color:var(--line);font-size:11px;text-transform:uppercase;letter-spacing:.16em;margin-bottom:7px}
.hotkeys-box div:not(.hotkeys-title){display:flex;align-items:center;gap:10px}
kbd{min-width:34px;text-align:center;border:1px solid var(--border);border-radius:7px;padding:2px 7px;background:rgba(255,255,255,.05);color:var(--line);font-size:11px;font-family:inherit}
body.hide-info .rightbar{display:none}
body.hide-info .workspace{grid-template-columns:260px 1fr}
.topbar{justify-content:space-between}


.brand-mark{display:grid;place-items:center;overflow:hidden}
.brand-mark img{width:34px;height:34px;object-fit:contain;filter:drop-shadow(0 0 10px rgba(112,255,163,.34))}
.wire,.wire-hit,.wire-preview{stroke-linecap:round;stroke-linejoin:round}
.brand{width:220px}.brand .vf-logo{width:46px;height:46px;object-fit:contain;filter:drop-shadow(0 0 14px rgba(112,255,163,.28))}.brand-mark,.brand-title,.brand-sub{display:none}.fuse-blown{stroke:var(--hot)!important}.lamp-core.overvoltage{stroke:var(--warn)!important}