*{box-sizing:border-box}:root{color-scheme:dark;--panel:#19191d;--border:#35353c;--muted:#999;--accent:#83d883;--danger:#ff6262;--white:clamp(44px,4.1vw,58px);--piano-h:clamp(178px,22vw,226px)}
body{margin:0;background:#0e0e10;color:#eee;font:14px system-ui,-apple-system,sans-serif}button,select,input,textarea{font:inherit}button,select,input{min-height:40px;background:#28282d;color:#eee;border:1px solid #4b4b54;border-radius:8px;padding:8px 11px}button{cursor:pointer;touch-action:manipulation}button:hover{background:#36363c}button:disabled{opacity:.45}.app{width:min(1580px,100%);margin:auto;padding:clamp(9px,1.8vw,25px)}header{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-bottom:14px}h1,h2{margin:0}h1{font-size:clamp(22px,2.6vw,34px)}h2{font-size:18px}.grid{display:grid;grid-template-columns:minmax(300px,.78fr) minmax(560px,1.55fr);gap:16px;align-items:start}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:clamp(11px,1.3vw,16px);min-width:0}.editor{position:sticky;top:10px}textarea{width:100%;min-height:265px;max-height:60vh;resize:vertical;background:#101012;color:#caffb8;border:1px solid #3b3b42;border-radius:9px;padding:12px;font:13px/1.5 ui-monospace,SFMono-Regular,monospace}.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}.group{display:flex;gap:6px;align-items:center}.status,.hint{color:var(--muted);font-size:12px}.recording{background:#5a1818!important;border-color:#ff6464!important}.dot{width:10px;height:10px;border-radius:50%;background:#555;display:inline-block}.recording .dot{background:#ff5555;box-shadow:0 0 10px #ff4444;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}.piano-scroll{overflow-x:auto;overscroll-behavior-x:contain;padding-bottom:8px}.piano{position:relative;height:var(--piano-h);user-select:none;touch-action:none;min-width:760px}.key{position:absolute;top:0;border:1px solid #222;cursor:pointer}.white{width:var(--white);height:var(--piano-h);background:linear-gradient(#fff,#d7d7d7);color:#111;z-index:1;border-radius:0 0 7px 7px}.black{width:calc(var(--white)*.62);height:calc(var(--piano-h)*.62);background:linear-gradient(#38383d,#050505);color:#fff;z-index:2;border-radius:0 0 5px 5px}.key.active{filter:brightness(.63);transform:translateY(3px)}.label{position:absolute;left:0;right:0;bottom:7px;text-align:center;font-size:10px;pointer-events:none}.shortcut{position:absolute;left:0;right:0;bottom:24px;text-align:center;font-size:10px;opacity:.58;pointer-events:none}.black .shortcut{bottom:23px}.sheet-wrap{margin-top:16px;background:#fafaf6;color:#111;border-radius:10px;padding:12px;overflow-x:auto}svg{display:block;width:100%;min-width:760px;height:auto}.bend{display:flex;align-items:center;gap:7px;min-width:min(360px,100%)}.bend input{padding:0;width:190px;accent-color:#8bd58b}.kbd{padding:1px 5px;border:1px solid #555;border-bottom-width:2px;border-radius:4px;background:#202024;color:#ddd;font:11px ui-monospace,monospace}.shortcut-help{display:grid;grid-template-columns:repeat(4,minmax(100px,1fr));gap:7px;margin-top:12px;color:#aaa;font-size:12px}.shortcut-help div{background:#141416;border:1px solid #303036;border-radius:7px;padding:7px}.sustain-on{border-color:#8ed78e!important;box-shadow:0 0 0 1px #8ed78e55 inset}.modal{position:fixed;inset:0;z-index:99;display:grid;place-items:center;background:#0009;padding:18px}.modal[hidden]{display:none}.modal-card{width:min(420px,100%);background:#202025;border:1px solid #50505a;border-radius:12px;padding:18px;box-shadow:0 20px 70px #000}.modal-card p{color:#bbb;line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.danger{background:#5a1818;border-color:#ff6464}.velocity-meter{display:inline-block;width:54px;height:7px;border-radius:9px;background:#303038;overflow:hidden;vertical-align:middle}.velocity-meter>i{display:block;height:100%;width:76%;background:#9cdb9c}
@media(max-width:1100px){.grid{grid-template-columns:1fr}.editor{position:static}textarea{min-height:215px;max-height:none}}
@media(max-width:700px){:root{--white:46px;--piano-h:184px}.app{padding:8px}.panel{padding:10px}.controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.controls>*{min-width:0}.group{display:grid;grid-template-columns:auto 1fr}.group input,.group select{width:100%}.bend{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr auto}.bend input{width:100%}.shortcut-help{grid-template-columns:repeat(2,minmax(0,1fr))}textarea{min-height:185px;font-size:12px}}
@media(max-width:430px){.controls{grid-template-columns:1fr}.bend{grid-column:auto}.shortcut-help{grid-template-columns:1fr}.app{padding-bottom:max(8px,env(safe-area-inset-bottom))}}.panel {user-select: none;}