.welcome-lab{--lamp-light:.25;position:relative;isolation:isolate;background:linear-gradient(155deg,#fcfff8 0%,#f0f4e9 100%);border:1px solid #cbd6c7;border-radius:24px;padding:26px 26px 18px;box-shadow:0 22px 65px -28px #244b3540,0 2px 0 #fff inset;overflow:hidden;width:100%;color:#263b30}
.lab-heading{display:flex;justify-content:space-between;align-items:start;gap:10px}.lab-heading small{display:flex;align-items:center;gap:9px;font:700 9px/1.4 Arial;letter-spacing:1.5px;color:#647968}.lab-live-dot{width:5px;height:5px;border-radius:50%;background:#6d9877;margin-left:5px}.lab-heading h2{font-size:26px;letter-spacing:-.8px;margin:10px 0 0;color:#263b30}.lab-tools{display:flex;gap:6px}.lab-tools button{height:32px;width:32px;display:grid;place-items:center;border:1px solid #cbd6c7;border-radius:9px;background:#ffffff80;color:#5d7664;cursor:pointer;transition:background .15s,transform .15s}.lab-tools button:hover{background:#fff;transform:translateY(-1px)}.lab-tools button:active{transform:translateY(1px)}.lab-tools svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.lab-scene{position:relative;margin:1px -13px -1px}.lab-circuit{display:block;width:100%;height:auto;overflow:visible}.lab-wire-shadow{fill:none;stroke:#324a3320;stroke-width:5;transform:translateY(4px);stroke-linejoin:round;stroke-linecap:round}.lab-wire{fill:none;stroke:#526958;stroke-width:3.2;stroke-linejoin:round;stroke-linecap:round}.lab-switch-lever{transform-origin:225px 65px;transition:transform 180ms cubic-bezier(.2,.7,.2,1)}.lab-open .lab-switch-lever{transform:rotate(-32deg)}.lab-switch-hit{position:absolute;left:37.1%;top:10.3%;width:16.1%;height:19.3%;min-height:44px;border:0;border-radius:12px;background:transparent;cursor:pointer;transition:box-shadow .15s}.lab-switch-hit:hover{box-shadow:0 0 0 3px #3a765329}.lab-switch-hit:focus-visible{outline:3px solid #25735d;outline-offset:3px}.lab-switch-hit:active{background:#2360400d}.lab-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.lamp-halo{opacity:var(--lamp-light)}.lamp-warmth{opacity:calc(var(--lamp-light)*.5)}.lamp-filament{stroke:color-mix(in srgb,#e8a737 calc(var(--lamp-light)*180%),#81937e);filter:drop-shadow(0 0 calc(var(--lamp-light)*7px) #ffa524)}.lab-second-slot{opacity:0;transform:translateY(8px);transition:opacity 220ms ease,transform 220ms ease;pointer-events:none}.lab-two .lab-second-slot{opacity:1;transform:translateY(0)}.lab-charges{opacity:.9;transition:opacity 120ms}.lab-open .lab-charges{opacity:0}.lab-two .lab-wire-bypass{display:none}
.lab-controls{display:grid;grid-template-columns:1fr 1fr;gap:15px 22px;align-items:center;margin-top:2px}.lab-bulb-picker{display:flex;grid-row:1/3;align-items:center;gap:2px;border:1px solid #c3cfc0;border-radius:11px;padding:4px;background:#e3eadc80}.lab-bulb-picker button{flex:1;font:700 11px/1.2 Arial;white-space:nowrap;color:#6a7d68;background:transparent;border:1px solid transparent;border-radius:7px;min-height:34px;padding:8px 5px;cursor:pointer;transition:background .15s,box-shadow .15s,color .15s}.lab-bulb-picker button[aria-pressed=true]{color:#2c604c;background:#fffefa;border-color:#d8decd;box-shadow:0 2px 4px #25422c0c}.lab-bulb-picker button:hover{color:#1d5e45}.lab-voltage-label{display:flex;align-items:center;justify-content:space-between;font:600 12px Arial;color:#647664;gap:8px}.lab-voltage-label output{font:700 12px Arial;color:#2b694f;font-variant-numeric:tabular-nums}.lab-controls input{grid-column:2;min-width:0;width:100%;height:24px;accent-color:#397b5d;cursor:pointer;appearance:none;background:transparent;margin:-10px 0 0}.lab-controls input::-webkit-slider-runnable-track{height:5px;background:#cbd7c2;border-radius:6px}.lab-controls input::-webkit-slider-thumb{appearance:none;width:19px;height:19px;background:#fcfff8;border:3px solid #4c8865;border-radius:50%;margin-top:-7px;box-shadow:0 1px 3px #284e3220}.lab-controls input::-moz-range-track{height:5px;background:#cbd7c2;border-radius:6px}.lab-controls input::-moz-range-thumb{width:14px;height:14px;background:#fcfff8;border:3px solid #4c8865;border-radius:50%}
.lab-readings{display:flex;justify-content:center;gap:27px;margin:18px 0 0;font:11px/1.5 Arial;color:#71806d;padding-top:14px;border-top:1px solid #dbe2d2}.lab-readings>span{display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}.lab-readings output{color:#325d46;font-weight:700;font-variant-numeric:tabular-nums}.lab-readings small{font:10px Arial;color:#788871}.lab-feedback{font:13px/1.5 Arial;min-height:40px;text-align:center;margin:15px 0 3px;color:#405f48;text-wrap:balance}.lab-model{display:block;text-align:center;font:9px/1.5 Arial;color:#7e8b78;letter-spacing:.1px}
@media(max-width:1050px) and (min-width:701px){.welcome-hero{gap:30px;padding:38px 22px}.welcome-lab{padding:21px 18px 17px}.lab-controls{gap:14px}.lab-bulb-picker button{font-size:10px}.welcome-copy h1{font-size:65px}.lab-readings{gap:13px}}
@media(max-width:700px){.welcome-lab{padding:21px 18px 17px;max-width:510px;justify-self:center;border-radius:20px}.lab-heading h2{font-size:25px}.lab-heading small{font-size:8px;gap:6px;letter-spacing:1.2px}.lab-scene{margin:2px -10px 2px}.lab-controls{gap:15px 16px}.lab-bulb-picker button{font-size:10px}.lab-readings{gap:18px;font-size:10px}.lab-feedback{font-size:12px;min-height:37px;margin-top:13px}.lab-model{font-size:8px}}
@media(prefers-reduced-motion:reduce){.lab-switch-lever,.lab-second-slot,.lab-tools button,.lab-bulb-picker button,.lab-charges{transition:none}.lab-charges{display:none}}