:root{font-family:system-ui,-apple-system,sans-serif;color:#172b27;background:#f1f4f0;--green:#17664c;--line:#dde4dc}*{box-sizing:border-box}body{margin:0}header{height:90px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 6vw;background:#fafcf9}.brand{color:inherit;text-decoration:none;font-size:24px;font-weight:750;display:flex;align-items:center;gap:12px}.brand small{font-size:10px;letter-spacing:2px;font-weight:500;border-left:1px solid #cbd6cb;padding-left:18px;margin-left:10px}.logo{color:var(--green);font-size:38px}.badge{font-size:12px;padding:8px 12px;border-radius:30px;background:#e5ece4;color:#52665b}.badge.online{background:#d5eddf;color:#155d3f}main{max-width:1120px;min-height:calc(100vh - 165px);margin:auto;padding:64px 28px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:0 10px 40px #102b1805}.login{max-width:440px;margin:4vh auto}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;color:#65846d;margin:0 0 16px}h1{font-size:clamp(28px,4vw,42px);font-weight:600;letter-spacing:-1.5px;margin:8px 0 18px}h2{font-size:18px;font-weight:600}.muted,.hint{color:#758279;font-size:14px;line-height:1.7}.small{font-size:12px}label{display:block;font-size:13px;margin:22px 0 9px}input:not([type=checkbox]):not([type=range]){width:100%;border:1px solid #cbd5ca;border-radius:9px;padding:13px;font:inherit;background:#fafcf9}input:focus-visible,button:focus-visible{outline:3px solid #8cbea1;outline-offset:3px}button{font:inherit;cursor:pointer;border:0;border-radius:9px}button:disabled{cursor:default;opacity:.4}.primary{width:100%;background:var(--green);color:white;padding:15px;margin-top:30px;text-align:left}.primary span{float:right}.subtle{background:#eaf0e7;color:#31583c;padding:11px 17px;font-size:13px}.title{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.layout{display:grid;grid-template-columns:1.6fr 1fr;gap:24px}.card-heading{display:flex;align-items:center;justify-content:space-between}.pad{display:grid;grid-template-columns:80px 80px 80px;grid-template-rows:80px 80px 80px;gap:12px;justify-content:center;margin:40px auto}.arrow{font-size:30px;color:var(--green);background:#f0f4ed;border:1px solid #dbe5d7;touch-action:none;user-select:none}.arrow:active,.arrow.pressed{background:var(--green);color:white}.up{grid-area:1/2}.left{grid-area:2/1}.right{grid-area:2/3}.down{grid-area:3/2}.stop{grid-area:2/2;background:#f8e8e3;color:#a34233;font-size:24px;touch-action:none}.hint{text-align:center;font-size:12px}kbd{border:1px solid #d6ddd3;border-radius:4px;padding:1px 5px;background:#f8faf7}.mode{display:flex;align-items:center;justify-content:space-between;font-size:13px;margin:26px 0}.switch{margin:0;position:relative;width:46px;height:26px}.switch input{opacity:0;position:absolute;width:100%;height:100%;margin:0}.switch span{display:block;background:#d2dfcf;border-radius:30px;height:26px;pointer-events:none}.switch span:before{content:"";position:absolute;width:20px;height:20px;top:3px;left:3px;background:white;border-radius:50%;transition:transform .15s}.switch input:checked+span{background:var(--green)}.switch input:checked+span:before{transform:translateX(20px)}.switch input:focus-visible+span{outline:3px solid #8cbea1;outline-offset:3px}hr{border:0;border-top:1px solid var(--line);margin:28px 0}input[type=range]{width:100%;accent-color:var(--green)}strong{float:right}#message{min-height:24px;color:#a34233;font-size:14px;text-align:center}footer{height:75px;border-top:1px solid var(--line);padding:24px 6vw;font-size:10px;letter-spacing:2px;color:#70816e;display:flex;justify-content:space-between}footer span{letter-spacing:0}[hidden]{display:none!important}@media(max-width:700px){main{padding:32px 18px}.layout{grid-template-columns:1fr}.brand small{display:none}.card{padding:24px}.title{align-items:start;gap:15px}.pad{margin:28px auto}.card-heading{gap:12px}header{height:75px}footer span{display:none}}