:root{--bg:#f3f6fb;--surface:#fff;--ink:#13213c;--muted:#66728a;--line:#dce4f1;--blue:#1c4fb8;--blue2:#0f347f;--blueSoft:#e8efff;--gold:#f4c84b;--danger:#a43e3e;--dangerBg:#fff2f2;--shadow:0 18px 50px #172f5d17}*{box-sizing:border-box}html{background:var(--bg)}body{color:var(--ink);background:radial-gradient(circle at 20% 0%, #e5edff 0, transparent 34rem), var(--bg);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,textarea,input{font:inherit}button{color:inherit}.shell{width:min(1180px,100% - 32px);margin-inline:auto}.hero{justify-content:space-between;align-items:flex-end;gap:30px;padding:54px 0 28px;display:flex}.eyebrow{color:var(--blue);text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800}h1{letter-spacing:-.055em;margin:7px 0 8px;font-size:clamp(2.3rem,5vw,4.5rem);line-height:.95}.heroText{color:var(--muted);max-width:730px;margin:0;font-size:1.05rem;line-height:1.65}.instrumentBadge{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);min-width:245px;box-shadow:var(--shadow);background:#ffffffb3;border:1px solid #b8c9ee;border-radius:18px;gap:3px;padding:18px 20px;display:grid}.instrumentBadge span,.instrumentBadge small{color:var(--muted);font-size:.8rem}.instrumentBadge strong{color:var(--blue2)}.workspace{grid-template-columns:1.08fr .92fr;align-items:start;gap:18px;display:grid}.panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px}.composerPanel,.practicePanel,.tablaturePanel{padding:24px}.panelHeader{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.panelHeader>div:first-child{align-items:center;gap:10px;display:flex}.panelHeader h2{margin:0;font-size:1.05rem}.step{background:var(--blue);color:#fff;border-radius:9px;place-items:center;width:28px;height:28px;font-size:.82rem;font-weight:800;display:inline-grid}.textButton{color:var(--blue);cursor:pointer;background:0 0;border:0;font-weight:700}textarea{resize:vertical;color:#15233e;background:#fbfdff;border:1px solid #cbd7ea;border-radius:16px;outline:0;width:100%;min-height:150px;padding:16px;font:600 1.05rem/1.7 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}textarea:focus{border-color:#6f91dc;box-shadow:0 0 0 4px #edf2ff}.quickActions{flex-wrap:wrap;gap:8px;margin:12px 0 20px;display:flex}.quickActions button,.transport button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;padding:9px 12px;font-weight:700}.builder{background:#f8faff;border:1px solid #e4ebf7;border-radius:18px;padding:16px}.controlGroup+.controlGroup{margin-top:12px}.controlGroup label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:7px;font-size:.76rem;font-weight:800;display:block}.segmented{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.segmented button{cursor:pointer;background:#fff;border:1px solid #d7e1f2;border-radius:10px;min-height:38px;font-weight:700}.segmented button.active{background:var(--blue);border-color:var(--blue);color:#fff}.durationSeg{grid-template-columns:repeat(6,1fr)}.numberPad{grid-template-columns:repeat(7,1fr);gap:7px;margin-top:15px;display:grid}.numberPad button{cursor:pointer;background:#fff;border:1px solid #ccd8eb;border-radius:13px;align-content:center;place-items:center;gap:2px;min-width:0;min-height:68px;display:grid}.numberPad button:hover:not(:disabled){border-color:var(--blue);transform:translateY(-1px);box-shadow:0 6px 16px #1c4fb81f}.numberPad button:disabled{opacity:.35;cursor:not-allowed}.numberPad strong{font-size:1.35rem;line-height:1}.numberPad span{color:var(--muted);font-size:.65rem}.issues{background:var(--dangerBg);color:var(--danger);border:1px solid #f0c8c8;border-radius:14px;gap:4px;margin-top:12px;padding:12px 14px;font-size:.82rem;display:grid}.practiceStage{background:linear-gradient(160deg,#f8fbff,#edf3ff);border:1px solid #dfe8f8;border-radius:20px;align-content:center;place-items:center;min-height:390px;padding:18px;display:grid}.noteIdentity{justify-content:center;align-items:center;gap:14px;width:100%;margin-bottom:2px;display:flex}.noteIdentity .bigSymbol{font-size:2.7rem;font-weight:850;line-height:1}.noteIdentity div{display:grid}.noteIdentity strong{font-size:1.2rem}.noteIdentity small{color:var(--muted)}.ocarinaSvg{color:#647391;width:min(100%,410px);height:auto}.ocarinaSvg.compact{width:130px}.hole{stroke:#07152f;stroke-width:3px;transition:fill .18s}.hole.closed{fill:#07152f}.hole.open{fill:#f9fbff}.thumbGuide text{fill:currentColor;font-size:10px}.legend{color:var(--muted);justify-content:center;gap:20px;margin:13px 0;font-size:.8rem;display:flex}.legend span{align-items:center;gap:6px;display:flex}.legendDot{border:2px solid #07152f;border-radius:50%;width:13px;height:13px;display:inline-block}.legendDot.closed{background:#07152f}.legendDot.open{background:#fff}.transport{grid-template-columns:1fr 1.2fr 1fr;gap:8px;display:grid}.transport button:disabled{opacity:.4;cursor:not-allowed}.transport .primary{background:var(--blue);border-color:var(--blue);color:#fff}.tempoControl{color:var(--muted);grid-template-columns:auto auto 1fr;align-items:center;gap:8px;margin-top:14px;font-size:.82rem;display:grid}.tempoControl strong{color:var(--ink)}.tempoControl input{width:100%;accent-color:var(--blue)}.restStage,.emptyStage{min-height:270px;color:var(--muted);align-content:center;place-items:center;gap:7px;display:grid}.restStage span{color:var(--blue2);font-size:5rem;font-weight:800}.restStage strong{color:var(--ink);font-size:1.4rem}.tablaturePanel{margin-top:18px}.muted{color:var(--muted);font-size:.82rem}.tabGrid{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.tabCard{cursor:pointer;background:#fbfdff;border:1px solid #d9e3f2;border-radius:16px;align-content:center;place-items:center;width:145px;min-height:155px;padding:8px;display:grid}.tabCard:hover{border-color:#8ba7df;box-shadow:0 8px 22px #1c4fb817}.tabCard .miniDiagram{place-items:center;height:87px;display:grid;overflow:hidden}.tabCard .ocarinaSvg.compact{width:122px}.tabCard .thumbGuide{display:none}.tabSymbol{font-size:1.3rem;font-weight:850}.tabCard strong{font-size:.8rem}.tabCard small{color:var(--muted);font-size:.72rem}.restCard{width:100px;min-height:118px}.barMark{color:#9aa8bd;font-size:3rem;font-weight:200}.emptyGrid{color:var(--muted)}.guide{margin-top:18px}.guide details{border:1px solid var(--line);background:#ffffffb8;border-radius:18px;padding:17px 20px}.guide summary{cursor:pointer;font-weight:800}.guideGrid{grid-template-columns:repeat(2,1fr);gap:8px 20px;margin-top:14px;display:grid}.guideGrid p{color:#495671;margin:0;font-size:.9rem}code{color:var(--blue2);background:#eef3ff;border-radius:6px;padding:2px 6px}.footer{color:#7b879b;text-align:center;padding:30px 0 44px;font-size:.76rem}@media (max-width:900px){.hero{flex-direction:column;align-items:stretch;padding-top:34px}.instrumentBadge{min-width:0}.workspace{grid-template-columns:1fr}.practicePanel{order:2}}@media (max-width:620px){.shell{width:min(100% - 20px,1180px)}.composerPanel,.practicePanel,.tablaturePanel{border-radius:18px;padding:16px}.numberPad{grid-template-columns:repeat(4,1fr)}.durationSeg{grid-template-columns:repeat(3,1fr)}.transport{grid-template-columns:1fr 1fr}.transport .primary{grid-area:1/1/auto/-1}.guideGrid{grid-template-columns:1fr}.practiceStage{min-height:330px}.tabCard{width:calc(50% - 6px)}}