:root{color-scheme:dark;--bg:#11151b;--panel:#1a2028;--raised:#252d38;--line:#35404e;--text:#f3eee6;--muted:#abb6c6;--accent:#ffa780;--ink:#211711;--step:#2a3340;--green:#a8ceac;--purple:#c3afff;--blue:#97c5f3;--shadow:#0b0e13}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}body.light{color-scheme:light;--bg:#e9e7e1;--panel:#f9f7f0;--raised:#e6e5df;--line:#c2c5c5;--text:#1b2632;--muted:#536171;--accent:#a93f15;--ink:#fff8ef;--step:#d8ddde;--green:#276137;--purple:#65449a;--blue:#28618b;--shadow:#d8d6d0}main{max-width:1560px;margin:auto;padding:30px 44px 18px}button,input,select{font:inherit}button,select{cursor:pointer}button{border:1px solid var(--line);background:var(--raised);color:var(--text);border-radius:7px;padding:9px 14px;transition:background .15s,transform .15s}button:hover{background:var(--line)}button:active{transform:translateY(1px)}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled{opacity:.55;cursor:wait}input,select{background:var(--raised);color:var(--text);border:1px solid var(--line);border-radius:5px;padding:7px}a{color:inherit}.topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;gap:12px}.brand{text-decoration:none;display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:2px;font-size:17px}.brand svg{width:38px;height:38px;fill:none;stroke:var(--accent);stroke-width:2.5}.brand-sub{display:block;font:9px/1.8 system-ui;letter-spacing:2.1px;color:var(--muted)}.project-tools{display:flex;gap:8px}.project-tools button{background:transparent}.transport{display:flex;align-items:center;gap:35px;padding:23px 26px;background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:24px;box-shadow:0 5px 0 var(--shadow)}.song-heading{flex:1;min-width:0}.eyebrow{font:10px/1.4 ui-monospace,monospace;letter-spacing:1.6px;color:var(--muted)}#song-name{display:block;font-size:25px;font-weight:650;letter-spacing:-.5px;background:transparent;border:0;padding:4px 0;width:100%;max-width:360px}#save-state{font-size:11px;color:var(--muted)}.transport-controls{display:flex;gap:10px;align-items:center}.transport-controls button{width:48px;height:48px;padding:0;font-size:19px}.transport-controls .play{background:var(--accent);color:var(--ink);border-color:var(--accent);width:58px}.tempo{display:flex;flex-direction:column;align-items:center;margin:0 12px;font:10px ui-monospace;color:var(--muted);gap:3px}.tempo input{width:68px;text-align:center;font-size:20px;padding:0;border:0;background:transparent;color:var(--text)}.position{font:21px ui-monospace;white-space:nowrap}.position span{display:block;font-size:8px;letter-spacing:2px;color:var(--muted);margin-top:5px}.export{border-color:var(--accent);color:var(--accent);background:transparent;white-space:nowrap}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;min-width:0;overflow:hidden}.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:23px 23px 20px}h1,h2{font-size:20px;font-weight:600;letter-spacing:-.5px;margin:5px 0 0}h1 .small-dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-left:10px}.pattern-actions{display:flex;gap:6px}.pattern-actions button{font-size:11px;padding:7px 9px;background:transparent}.grid-scroll{overflow-x:auto;padding:0 23px 18px}#step-grid{min-width:600px;display:grid;gap:10px}.step-row,.step-head{display:grid;grid-template-columns:126px repeat(16,minmax(20px,1fr));gap:5px;align-items:center}.step-head{color:var(--muted);font:10px ui-monospace;text-align:center;margin-bottom:2px}.track-name{display:flex;align-items:center;gap:8px;width:120px;padding:8px 6px;background:transparent;border:1px solid transparent;font-size:12px;text-align:left}.track-name.selected{border-color:var(--line);background:var(--raised)}.track-dot{width:8px;height:8px;background:var(--track);border-radius:3px;flex-shrink:0}.step{height:40px;min-width:0;border:1px solid transparent;background:var(--step);padding:0;border-radius:4px;font-size:9px;color:var(--text);position:relative}.step.beat{border-left-color:var(--line)}.step.on{background:var(--track);color:#14202a;font-weight:700}.light .step.on{color:#fff}.step.current{outline:2px solid var(--text);outline-offset:1px}.pattern-footer{padding:14px 23px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px;font:10px ui-monospace;color:var(--muted)}.pattern-footer label{display:flex;align-items:center;gap:6px}.pattern-footer select{font-size:10px;padding:3px}.orange-dot{display:inline-block;background:var(--accent);width:5px;height:5px;border-radius:50%;vertical-align:middle;margin-right:5px}.instrument{grid-row:span 2}.instrument .section-title{padding-bottom:15px}.instrument-icon{font-size:38px;color:var(--accent)}#sound-controls{padding:0 23px}.control{margin:15px 0}.control label{display:flex;justify-content:space-between;font:11px ui-monospace;color:var(--muted);margin-bottom:6px}.control output{color:var(--text)}input[type=range]{accent-color:var(--accent);width:100%;padding:0;border:0;background:transparent;height:16px}.wave-control{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.wave-control select{width:135px;font-size:12px}.mute-button{width:100%;padding:7px;font-size:11px;margin-top:6px}.mute-button.active{background:var(--accent);color:var(--ink)}.keys-label{display:flex;justify-content:space-between;padding:26px 23px 10px;font:8px ui-monospace;color:var(--muted);letter-spacing:.6px}#keyboard{display:flex;margin:0 23px;height:95px;position:relative;touch-action:none}.piano-key{flex:1;border:1px solid #a9afb5;border-radius:0 0 4px 4px;background:#e8e8e0;color:#4b5260;padding:0;display:flex;align-items:flex-end;justify-content:center;padding-bottom:8px;font-size:9px;user-select:none;touch-action:none}.piano-key.black{background:#151a22;color:#c3cbd4;height:60%;width:8%;position:absolute;z-index:1;transform:translateX(-50%);border-color:#080d14}.piano-key.pressed{background:var(--accent);color:var(--ink)}.key-tip{font-size:10px;color:var(--muted);margin:12px 23px 24px}.arrangement{grid-column:1}.length{font-size:11px;color:var(--muted);white-space:nowrap}.length select{font-size:11px;margin-left:6px}.arrange-scroll{overflow-x:auto;padding:0 23px 20px}#arrange-grid{display:grid;gap:6px;min-width:500px}.arrange-row,.arrange-head{display:grid;grid-template-columns:126px repeat(var(--bars),minmax(42px,1fr));gap:5px;align-items:center;min-width:calc(126px + var(--bars)*47px)}.arrange-head{text-align:center;font:10px ui-monospace;color:var(--muted)}.arrange-row>span{font-size:11px;color:var(--muted)}.clip{height:29px;border-radius:4px;background:var(--step);padding:0;border:1px solid var(--line);position:relative;overflow:hidden}.clip.on{background:color-mix(in srgb,var(--track) 20%,var(--panel));border-color:color-mix(in srgb,var(--track) 65%,var(--panel));color:var(--track)}.clip.on::after{content:'▂▅▃▇▂▅▃';font-size:15px;letter-spacing:2px;position:absolute;inset:1px 4px}.clip.current{outline:1px solid var(--text)}.arrange-footer{padding:12px 23px;border-top:1px solid var(--line);font:10px ui-monospace;color:var(--muted);display:flex;justify-content:space-between}.bottomline{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font:9px ui-monospace;letter-spacing:.6px;padding:22px 2px;gap:12px}.bottomline button{padding:3px 10px}.status-light{display:inline-block;background:var(--green);width:5px;height:5px;border-radius:50%;margin-right:5px}#status{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);padding:12px 20px;background:var(--text);color:var(--bg);border-radius:8px;z-index:9;box-shadow:0 3px 20px #0004;max-width:90vw;display:none}#status.visible{display:block}dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px;width:min(540px,94vw);padding:25px}dialog::backdrop{background:#080e17bd;backdrop-filter:blur(5px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.dialog-heading h2{font-size:24px}.dialog-heading button{padding:4px 10px}.project-card{display:flex;gap:8px;align-items:center;margin:8px 0}.project-card>button:first-child{flex:1;text-align:left}.project-card small{display:block;color:var(--muted);font-size:10px}.dialog-actions{display:flex;gap:10px;margin-top:24px}h3{margin-top:24px;font-size:12px;color:var(--muted);font-weight:500}#demos button{display:block;width:100%;text-align:left;margin:8px 0;padding:13px;background:transparent}#demos small{display:block;color:var(--muted);margin-top:3px;font-size:11px}.empty{color:var(--muted);font-size:12px}
@media(min-width:1400px){main{padding-top:40px}.transport{margin-bottom:30px}.workspace{gap:26px;grid-template-columns:minmax(0,1fr) 330px}.step{height:44px}.section-title{padding-top:27px}}
@media(max-width:1050px){main{padding:22px}.transport{gap:15px;padding:20px}.workspace{grid-template-columns:minmax(0,1fr) 275px}.section-title{padding:18px}.grid-scroll,.arrange-scroll{padding-left:18px;padding-right:18px}.pattern-footer{flex-wrap:wrap;padding:12px 18px}.pattern-footer>span:last-child{display:none}.position{display:none}.pattern-actions button{font-size:0}.pattern-actions button:first-child{font-size:12px}.pattern-actions button:last-child::after{content:'Clear';font-size:12px}}
@media(max-width:760px){main{padding:16px 12px}.topline{margin-bottom:20px}.brand{font-size:13px;letter-spacing:1.5px;gap:6px}.brand svg{width:29px}.brand-sub{font-size:7px;letter-spacing:1px}.project-tools{gap:5px}.project-tools button{padding:7px 9px;font-size:11px}#share{font-size:0}#share::after{content:'Share ↗';font-size:11px}.transport{flex-wrap:wrap;gap:16px;padding:18px;margin-bottom:18px}.song-heading{flex-basis:100%}#song-name{font-size:26px}.transport-controls{flex:1}.transport-controls button{height:43px}.tempo{margin:0 6px}.export{font-size:12px;padding:11px}.workspace{display:flex;flex-direction:column;gap:16px}.sequencer{order:0}.instrument{order:1}.arrangement{order:2}h1,h2{font-size:18px}.step-row,.step-head{grid-template-columns:92px repeat(16,29px)}#step-grid{min-width:635px}.track-name{width:90px;font-size:11px;gap:6px}.grid-scroll{padding-bottom:15px}.step{height:38px}.instrument .section-title{padding-bottom:4px}#sound-controls{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;padding:0 18px}.wave-control,.mute-button{grid-column:span 2}.control{margin:10px 0}.keys-label{padding-top:20px;font-size:9px}#keyboard{height:105px}.key-tip{margin-bottom:18px}.bottomline{font-size:8px;flex-wrap:wrap;padding:20px 4px}.bottomline>span:nth-child(2){order:3;width:100%}.arrange-row,.arrange-head{grid-template-columns:92px repeat(var(--bars),48px);min-width:calc(92px + var(--bars)*53px)}.arrange-footer{font-size:9px;padding:12px 18px}}