:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#0b0d0e;color:#f5f7f6}*{box-sizing:border-box}body{margin:0;line-height:1.5}.wrap{max-width:850px;margin:auto;padding:clamp(16px,4vw,40px)}a{color:#85e4b6}.skip-link{position:absolute;left:12px;top:-100px;background:#f9cf63;color:#0b0d0e;padding:10px 14px;z-index:10;border-radius:6px}.skip-link:focus{top:12px}h1{font-size:clamp(1.65rem,4vw,2.6rem)}.panel{border:1px solid #454b4b;border-radius:14px;padding:clamp(14px,3vw,28px);background:#151819}.panel h2{font-size:1.2rem}.eyebrow{text-align:center;font-size:.85rem;font-weight:700;margin:25px 0 15px}.appliances{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.appliance{min-height:90px;border:2px solid transparent;border-radius:8px;background:#303434;color:#f5f7f6;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;font:inherit;font-weight:650}.appliance[aria-pressed=true] .appliance-state{color:#50d995}.appliance[aria-pressed=false]{background:#262828}.appliance:focus-visible,a:focus-visible{outline:3px solid #f9cf63;outline-offset:3px}.appliance-state{font-size:.75rem}.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid #3b4141;margin-top:20px;padding-top:20px}.stats span{display:block;font-size:.85rem}.stats strong{display:block;font-size:clamp(1.3rem,4vw,1.8rem)}.meter{margin:20px 0}.meter label{display:flex;justify-content:space-between;gap:8px;font-size:.9rem}.meter progress{width:100%;height:18px;accent-color:#40bc8b}.explanation{font-weight:600}.note{font-size:.8rem;color:#d3d8d5}@media(max-width:480px){.appliances{grid-template-columns:repeat(2,minmax(0,1fr))}.stats{gap:8px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s}}