:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body{margin:0;font-family:system-ui;background:#000;color:#fff;text-align:center}.container{padding:20px}canvas{margin-top:20px;border:1px solid #333}.keyboard{display:flex;justify-content:center;margin-top:30px;position:relative}.white-key{width:50px;height:150px;border:1px solid #000;background:#fff;color:#000;display:flex;align-items:flex-end;justify-content:center;font-size:12px}.black-key{width:35px;height:100px;background:#000;color:#fff;position:relative;margin-left:-17px;margin-right:-17px;z-index:2;display:flex;align-items:flex-end;justify-content:center;font-size:10px}.controls{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}button,select{padding:8px 12px;background:#222;color:#fff;border:1px solid #555;border-radius:6px}@media(max-width:640px){.controls{flex-direction:row;align-items:center;flex-wrap:nowrap;justify-content:flex-start;position:fixed;left:0;right:0;bottom:0;padding:8px 10px;height:64px;min-height:56px;box-sizing:border-box;gap:8px;background:#000000eb;box-shadow:0 -6px 18px #00000059;z-index:9999;overflow-x:auto;-webkit-overflow-scrolling:touch}button,select{width:auto;flex:0 0 auto}.container{padding-bottom:96px}.toolbar-spacer{display:block;height:64px}}.toolbar-spacer{display:none}.display{background:#111;padding:20px;border-radius:16px;width:350px;margin:auto}.meter{width:100%;height:10px;background:#333;position:relative;margin-top:10px}.needle{width:4px;height:100%;position:absolute}canvas{margin-top:20px;border:1px solid #333;width:100%;height:140px}.keyboard{display:flex;justify-content:center;margin-top:30px;position:relative;gap:12px;--white-key-width: 50px}.octave{display:flex;flex-direction:column;align-items:center;margin:0 8px}.octave-label{font-size:12px;margin-bottom:6px}.keys{position:relative;width:100%;max-width:100%}.white-keys{display:flex;flex-direction:row;width:100%}.white-key{height:150px;border:1px solid #000;background:#fff;color:#000;display:flex;align-items:flex-end;justify-content:center;font-size:12px;box-sizing:border-box;padding-bottom:8px}.black-keys{position:absolute;top:0;left:0;right:0;height:100%;pointer-events:none}.black-keys .black-key{position:absolute;top:0;z-index:5;pointer-events:auto;height:100px;background:#000;color:#fff;display:flex;align-items:flex-end;justify-content:center;font-size:10px;padding-bottom:8px;border-radius:2px}.white-key{width:var(--white-key-width);flex:0 0 var(--white-key-width)}.white-keys{width:calc(var(--white-key-width) * var(--white-count))}.black-keys .black-key{width:calc(var(--white-key-width) * .6)}.white-key,.black-keys .black-key{touch-action:manipulation;-webkit-user-select:none;user-select:none}@media(max-width:640px){.keyboard{justify-content:flex-start;padding:8px;overflow-x:auto;-webkit-overflow-scrolling:touch;--white-key-width: 40px}.octave{margin:0 6px}.white-key{height:120px;font-size:11px}.black-keys .black-key{height:80px;font-size:9px}}