:root{color-scheme:light;--paper:#f1ece2;--ink:#090a09;--orange:#f15a24;--cyan:#58bfd2;--line:#cbc5b9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 Arial,sans-serif}a{color:inherit}button,input,select{font:inherit}button{cursor:pointer;color:inherit;border:1px solid var(--ink);background:transparent;min-height:48px;padding:10px 20px}button:hover{background:#dfd8cc}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}button:disabled{opacity:.6;cursor:wait}.site-header{display:flex;align-items:center;gap:20px;padding:22px 4vw;border-bottom:1px solid var(--ink)}.site-header>a:first-child{font-weight:900;letter-spacing:-1px;text-decoration:none;font-size:22px}.site-header>span{font:12px monospace}.site-header>a:last-child{margin-left:auto;font-size:14px}main{max-width:1100px;margin:auto;padding:32px 32px 50px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.eyebrow{font:14px monospace;letter-spacing:.1em;margin:0 0 12px}h1{font-size:clamp(40px,6vw,70px);letter-spacing:-.065em;line-height:1;margin:0}h1 span{color:var(--orange)}.display-link{font-size:14px}.instrument{display:grid;grid-template-columns:1.5fr 1fr;border:1px solid var(--ink)}.pulse-panel{padding:26px 30px;display:flex;flex-direction:column;justify-content:center;background:#e9e5dd}.pulse-caption{display:flex;justify-content:space-between;gap:12px;font:12px monospace;letter-spacing:.04em}.tempo{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:34px 0 20px}.tempo>div{text-align:center}.tempo output{display:block;font:clamp(78px,12vw,144px)/1 monospace;letter-spacing:-.08em}.tempo>div>span{font:12px monospace;letter-spacing:.08em}.tempo-step{width:48px;padding:0;font-size:32px;border-radius:50%}.beats{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:22px 0 0;min-height:34px}.beat{width:30px;height:30px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center;font:14px monospace}.beat.downbeat{border:2px solid var(--orange)}.beat.active{background:var(--ink);color:var(--paper)}.beat.downbeat.active{background:var(--orange);color:var(--ink)}#beat-readout{text-align:center;font:14px monospace;min-height:20px}.transport{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.primary{background:var(--ink);color:var(--paper)}.primary:hover{background:#282a27}.running .primary{background:var(--orange);color:var(--ink)}.small{font-size:14px;color:#54534e;margin:14px 0 0}.pulse-panel>.small{text-align:center}.settings{border-left:1px solid var(--ink);padding:24px;display:grid;gap:17px}.settings label{display:block;font-size:14px}.settings label>span{float:right;color:#54534e;font-size:12px}.settings input[type=range]{display:block;width:100%;margin:14px 0;accent-color:var(--ink)}input[type=number],select{width:100%;background:var(--paper);border:1px solid #aaa497;padding:9px 12px;min-height:44px;margin-top:6px}.settings label.check{display:flex;gap:10px;align-items:center}.check input{width:18px;height:18px;accent-color:var(--orange)}#custom:not([hidden]){display:grid;grid-template-columns:1fr 1fr;gap:10px}#message{font-size:14px;color:#944018}.keyboard{font-size:14px}.below details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:22px 0}.below summary{cursor:pointer;font-weight:bold}.below p,.below li{max-width:760px}.below li{margin-bottom:8px}#glasses-url{display:block;width:100%;padding:12px;margin-bottom:12px;border:1px solid var(--line);background:transparent;font:14px monospace}.display-settings{display:none}
@media(max-width:650px){main{padding:28px 18px}.site-header{padding:18px;flex-wrap:wrap;gap:10px}.site-header>span{display:none}.site-header>a:first-child{font-size:18px}.site-header>a:last-child{font-size:12px}.heading{align-items:end}.instrument{grid-template-columns:1fr}.settings{border-left:0;border-top:1px solid var(--ink)}.pulse-panel{padding:22px}.tempo output{font-size:110px}.display-link{max-width:95px}.pulse-caption{font-size:11px}}
body.display{color-scheme:dark;background:#000;color:#fff}.display main{padding:24px;width:100%;max-width:600px;height:100dvh;max-height:600px;display:flex;flex-direction:column;justify-content:center}.display .site-header,.display .heading,.display .settings,.display .below,.display #tap-status{display:none}.display .instrument{border:0;display:block}.display .pulse-panel{background:#000;padding:0}.display .pulse-caption{font:18px monospace}.display .tempo{padding:12px 0}.display .tempo output{font-size:116px}.display .tempo>div>span{font-size:18px}.display button{border:2px solid #fff;background:#000;color:#fff;min-height:56px;font-size:20px;padding:8px 14px}.display .tempo-step{width:56px}.display .beats{margin-top:12px;gap:12px}.display .beat{border-color:#fff;width:34px;height:34px;color:#fff}.display .beat.downbeat{border-color:#58bfd2}.display .beat.active{background:#fff;color:#000}.display .beat.downbeat.active{background:#58bfd2;color:#000}.display .transport{margin-top:10px}.display .display-settings{display:flex;gap:10px;margin-top:16px}.display .display-settings button{flex:1;font-size:18px;padding:8px}.display button:focus{outline:4px solid #58bfd2;outline-offset:3px}.display .running .primary{background:#fff;color:#000}.display #message{font-size:16px;color:#58bfd2;margin:10px 0 0}.display #message:empty{display:none}.display #beat-readout{margin:12px 0;font-size:18px}