@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=JetBrains+Mono:wght@400;700&display=swap";: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}}.tuner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;width:100vw;background:radial-gradient(circle at center,#2b2b2b,#121212);color:#fff;font-family:Inter,sans-serif;overflow:hidden}.tuner-display{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;width:90%;max-width:500px;padding:40px;background:#ffffff08;border-radius:24px;border:1px solid rgba(255,255,255,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 20px 50px #00000080;transition:all .3s ease}.frequency-display{font-family:JetBrains Mono,monospace;font-size:1rem;color:#fff6;letter-spacing:2px;margin-bottom:10px;text-transform:uppercase}.note-display{display:flex;align-items:flex-start;justify-content:center;margin-bottom:40px;position:relative;height:160px}.note-name{font-size:12rem;font-weight:800;line-height:1;background:linear-gradient(180deg,#fff,#aaa);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 4px 10px rgba(0,0,0,.3))}.octave{font-size:3rem;font-weight:300;color:#ffffff4d;margin-left:12px;margin-top:25px}.cents-meter{width:100%;height:60px;position:relative;margin:30px 0;mask-image:linear-gradient(to right,transparent,black 10%,black 90%,transparent);-webkit-mask-image:linear-gradient(to right,transparent,black 10%,black 90%,transparent)}.ruler-background{display:flex;justify-content:space-between;align-items:flex-end;height:100%;padding:0 10%;position:relative}.tick{width:1px;background-color:#fff3;height:15px;border-radius:1px}.tick.major{height:25px;background-color:#fff6;width:2px}.tick.center{height:40px;width:2px;background-color:#00e676;box-shadow:0 0 15px #00e67666}.tuner-needle{position:absolute;top:0;left:50%;height:100%;width:2px;background-color:#ff3d00;transform:translate(-50%);transition:left .08s cubic-bezier(.2,.8,.2,1),background-color .2s ease;z-index:10}.tuner-needle:after{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:8px;height:8px;background-color:inherit;border-radius:50%;box-shadow:0 0 10px currentColor}.tuner-needle.in-tune{background-color:#00e676;box-shadow:0 0 25px #00e676;width:3px}.cents-value{font-family:JetBrains Mono,monospace;font-size:1.1rem;color:#ffffff80;margin-top:10px;font-weight:700}.cents-value.in-tune{color:#00e676;text-shadow:0 0 15px rgba(0,230,118,.3)}.start-button,.stop-button{margin-top:30px;padding:16px 48px;font-size:1rem;letter-spacing:1px;text-transform:uppercase;font-weight:700;border:none;border-radius:12px;background:linear-gradient(135deg,#2979ff,#1565c0);color:#fff;cursor:pointer;box-shadow:0 10px 20px -5px #2979ff66;transition:transform .2s ease,box-shadow .2s ease}.start-button:hover{transform:translateY(-2px);box-shadow:0 15px 30px -5px #2979ff80}.stop-button{background:transparent;border:1px solid rgba(255,255,255,.1);box-shadow:none;color:#fff9;font-size:.9rem;padding:12px 30px}.stop-button:hover{border-color:#ffffff4d;color:#fff;transform:translateY(-1px)}.error-message{color:#ff3d00;background:#ff3d001a;padding:15px 30px;border-radius:8px;border:1px solid rgba(255,61,0,.2);margin-bottom:20px}.listening-text{font-size:1.5rem;font-weight:300;color:#ffffff4d;animation:breathe 3s infinite ease-in-out}@keyframes breathe{0%,to{opacity:.3}50%{opacity:.7}}@media(max-width:600px){.tuner-display{width:100%;height:100%;max-width:none;border:none;background:transparent;border-radius:0;box-shadow:none}.note-name{font-size:10rem}.octave{font-size:2.5rem;margin-top:20px}.cents-meter{padding:0 20px}}