@import"https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600&family=Source+Sans+3:wght@400;600;700&display=swap";:root{color:#f1f1f1;background:#08192d;font-family:"Source Sans 3",Arial,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,select{font:inherit}.app-shell{width:min(100%,1500px);min-height:100vh;margin:auto;padding:22px 16px 44px;background:radial-gradient(circle at 80% 15%,rgba(253,192,110,.12),transparent 30rem),radial-gradient(circle at 12% 8%,rgba(255,107,107,.1),transparent 23rem),linear-gradient(145deg,#0a1d33,#071525 80%)}.topbar{display:flex;flex-direction:column;gap:5px;border-bottom:1px solid rgba(183,195,214,.25);padding-bottom:16px}.brand,h2,.kicker,.select-field>span{font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.1em}.brand{color:#f1f1f1;text-decoration:none;font-size:1.4rem;font-weight:500}.eyebrow{color:#b7c3d6;font-size:.9rem}.kicker{color:#fdc06e;font-size:.79rem;font-weight:600;margin:0 0 8px}.controls,.fretboard-section,.source-note{border:1px solid rgba(183,195,214,.3);background:#0c1724b8;box-shadow:0 15px 40px #0000002e}.controls{border-radius:14px;margin-top:26px;padding:16px;display:grid;gap:13px}.select-field{display:grid;gap:6px;color:#d7dde7}.select-field>span{font-size:.78rem}select{appearance:none;width:100%;color:#f1f1f1;background:#182d46 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%23fdc06e' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;border:1px solid #40536a;border-radius:8px;padding:13px 42px 13px 13px;min-height:50px;cursor:pointer}.fretboard-section{margin-top:18px;padding:17px 0 20px;overflow:hidden;border-radius:14px}.fretboard-heading{padding:0 17px 16px;display:flex;align-items:end;justify-content:space-between;gap:12px}.fretboard-heading .kicker{margin-bottom:3px}h2{font-size:clamp(1.45rem,5vw,2.5rem);margin:0;line-height:1}h2 span{color:#b7c3d6;font-size:.65em;letter-spacing:.07em}.mode-toggle{display:flex;align-items:center;gap:8px;color:#d7dde7;font-weight:600;cursor:pointer}.mode-toggle input{accent-color:#ff6b6b;width:19px;height:19px}.fretboard-scroll{overflow-x:auto;padding:0 0 7px;scrollbar-color:#ff6b6b transparent}.fret-numbers,.fretboard{min-width:760px;display:grid;grid-template-columns:46px repeat(13,minmax(52px,1fr))}.fret-numbers{color:#b7c3d6;font-size:.78rem;text-align:center;padding:0 13px}.top-numbers span:first-child{text-align:left;padding-left:8px}.bottom-numbers{margin-top:7px}.fretboard{margin:0 13px;min-height:calc(var(--strings) * 47px);background:linear-gradient(90deg,#8e552f,#101113 5%,#080b0e 95%,#805035);border:1px solid #69513d;border-radius:6px;overflow:hidden;position:relative}.string-row{display:contents}.string-name,.fret{height:47px;min-height:47px;display:grid;place-items:center;position:relative;border-right:2px solid rgba(235,238,240,.55)}.string-name{color:#f1f1f1;border-right-color:#b38353;font-weight:700;text-shadow:1px 1px 2px #000}.fret:after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:linear-gradient(90deg,#a0a0a0,#f3f3f3,#878787);box-shadow:0 1px 1px #000;z-index:0}.marker-fret:before{content:"";width:7px;height:7px;border-radius:50%;background:#70849c;position:absolute;bottom:7px;z-index:1}.note{position:relative;z-index:2;width:31px;height:31px;display:grid;place-items:center;border-radius:50%;color:#111923;font-weight:700;box-shadow:0 2px 6px #0000008c}.note-0{background:#fdc06e}.note-1{background:#ffe0a5}.note-2{background:#ff6b6b}.note-3{background:#d1a4e6}.legend{display:flex;flex-wrap:wrap;gap:12px 20px;padding:19px 17px 0;color:#d7dde7}.legend-item{display:flex;align-items:center;gap:8px}.legend .note{width:29px;height:29px}.source-note{margin-top:18px;padding:13px 15px;display:flex;align-items:center;gap:10px;border-radius:10px;color:#b7c3d6;font-size:.95rem}.source-note span{width:19px;height:19px;display:grid;place-items:center;border:1px solid #b7c3d6;border-radius:50%;font-weight:700;font-size:.75rem}@media(min-width:720px){.app-shell{padding:35px 42px 60px}.topbar{flex-direction:row;justify-content:space-between;align-items:center}.controls{grid-template-columns:1.25fr .75fr .9fr;align-items:end;margin-top:35px;padding:20px 24px}.fretboard-section{padding-top:24px}.fretboard-heading{padding:0 24px 20px}.legend{padding:21px 24px 0}.source-note{margin-top:22px}}@media(max-width:719px){.fretboard-scroll:focus{outline:2px solid #fdc06e;outline-offset:-2px}}