:root{color-scheme:dark;--bg:#0b1014;--panel:#121a20;--line:#29343c;--muted:#9aaab6;--accent:#d7ff3f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#f0f4f6;font:16px/1.6 system-ui,-apple-system,'Segoe UI',sans-serif}main{max-width:1280px;margin:auto;padding:32px 40px}header,.connection,.toolbar,.panelhead,.plotfoot,footer{display:flex;justify-content:space-between;align-items:center;gap:20px}header{padding-bottom:30px;border-bottom:1px solid var(--line)}.brand{font-weight:850;font-size:24px;letter-spacing:-1px;text-decoration:none;color:inherit}.brand>span{color:var(--accent)}.brand small{display:block;font-size:12px;letter-spacing:3px;font-weight:500;color:var(--muted)}.connection>span{color:var(--muted);font-size:14px}button{background:#202b33;border:1px solid #3a4853;color:#f0f4f6;border-radius:7px;padding:11px 18px;font:600 14px/1.4 inherit;cursor:pointer}button:hover{filter:brightness(1.18)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#182000}button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.toolbar{margin:35px 0 20px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent)}h1{font-size:27px;letter-spacing:.5px;margin:6px 0}#message{font-size:14px;color:var(--muted);margin:0 0 22px;border-left:2px solid #65763a;padding-left:12px}.dashboard{display:grid;grid-template-columns:1fr 1.18fr;gap:20px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:26px}.panelhead h2{font-size:16px;margin:0;font-weight:600}.tag{font-size:12px;letter-spacing:1px;background:#252f24;color:var(--accent);padding:4px 10px;border-radius:4px}.rpm{display:flex;align-items:baseline;gap:15px;margin:30px 0 20px}.rpm #rpm{font-size:clamp(56px,7.4vw,98px);line-height:1.2;font-weight:750;letter-spacing:-5px;font-variant-numeric:tabular-nums}.unit,.muted{color:var(--muted);font-size:14px}.meter{height:7px;background:#303b41;border-radius:5px;overflow:hidden}.meter i{display:block;width:0;height:100%;background:var(--accent);transition:width .08s}.scale{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:8px}.metrics{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.metrics>div+div{border-left:1px solid var(--line);padding-left:28px}.metrics span{display:block;font-size:14px;color:var(--muted)}.metrics strong{display:inline-block;font-size:32px;font-variant-numeric:tabular-nums;margin-top:4px}.metrics small{font-size:12px;color:var(--muted);margin-left:8px}.chart{position:relative;margin-top:15px}.chart svg{width:100%;display:block}.chart text{font:12px system-ui;fill:#9aaab6}#chartEmpty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:14px}.plotfoot{color:var(--muted);font-size:14px;padding-top:10px}.legend{display:inline-block;width:18px;height:3px;background:var(--accent);vertical-align:middle;margin-right:7px}.history{margin-top:20px}.history h2 span{color:var(--accent);margin-left:8px;font-size:14px}.history p,.setup p{font-size:14px;color:var(--muted);margin:5px 0 18px}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left}th{font-weight:500;font-size:12px;letter-spacing:1px;color:var(--muted);padding:12px 8px;border-bottom:1px solid var(--line)}td{padding:15px 8px;font-size:14px;border-bottom:1px solid var(--line)}td:nth-child(3){font-size:20px;font-variant-numeric:tabular-nums;font-weight:700}td button{padding:5px 10px;font-size:12px}#empty{text-align:center;padding:27px 0 12px}.setup{margin-top:20px;background:transparent}summary{cursor:pointer;font-size:14px;font-weight:600}summary span{font-size:12px;color:var(--muted);margin-left:12px}details[open] summary{margin-bottom:20px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0}label{font-size:14px;color:var(--muted)}input{width:100%;padding:12px;background:#121a20;color:#edf5f7;border:1px solid #45515c;border-radius:6px;margin-top:6px;font:13px monospace}pre{overflow:auto;background:#080d10;padding:18px;border-radius:6px;font-size:13px}footer{font-size:12px;letter-spacing:1px;color:var(--muted);padding:26px 0}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:800px){main{padding:22px 18px}.dashboard{grid-template-columns:1fr}.toolbar{align-items:flex-start}h1{font-size:21px}.panel{padding:20px}.rpm #rpm{font-size:76px}.fields{grid-template-columns:1fr}header{align-items:flex-start}.connection{flex-direction:column;gap:7px;align-items:flex-end}.brand{font-size:20px}.toolbar button{max-width:130px}.metrics strong{font-size:28px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.chart .peak-label{fill:#182000;font-size:16px;font-weight:750}.peak-note{color:var(--muted);font-size:13px;margin:12px 0 0}

.device-picker{display:flex;gap:8px;align-items:center}select{font:inherit;color:#f0f4f6;background:#202b33;border:1px solid #45515c;border-radius:6px;padding:8px}.setup a{color:var(--accent)}@media(max-width:800px){.device-picker{font-size:12px}header .connection{max-width:60%}}

:root{--ink:#f0f4f6;--button:#202b33;--on-accent:#182000;--code:#080d10;--wash:transparent;--radius:12px;--soft:#252f24}