:root{color-scheme:dark;--bg:#0d1623;--surface:#131e2e;--control:#1c293d;--line:#2b3b53;--text:#f5f7fc;--muted:#a4bbd8;--lime:#c5ff52;--blue:#588be6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;min-height:44px;padding:10px 17px;border:1px solid #466182;border-radius:9px;background:transparent;color:#bad7fb;font-size:14px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:background .12s,border-color .12s,transform .12s}button:hover{background:#25364d;border-color:#779ac6}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:default;transform:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--lime);outline-offset:4px}a{color:#b4d4fc;text-decoration:none}a:hover{color:var(--lime)}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.primary{color:#142003;background:var(--lime);border-color:var(--lime);font-weight:750}.primary:hover{background:#d7ff8a;border-color:#d7ff8a}.topbar{max-width:1376px;margin:auto;padding:10px 0 9px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:28px;font-weight:800;letter-spacing:-1px;color:var(--text)}.brand svg{width:32px;height:32px;color:var(--lime);stroke-width:3.5}.back{display:flex;align-items:center;gap:10px;font-size:16px;min-height:44px}main{max-width:1376px;margin:auto}.intro{text-align:center;padding:26px 0 20px}h1{font-size:60px;letter-spacing:-2px;line-height:1.14;margin:0 0 7px;font-weight:800}.intro p{color:var(--muted);font-size:22px;margin:0;line-height:1.5}.transport{display:flex;align-items:center;gap:24px;background:var(--surface);border:1px solid var(--line);padding:13px 20px;border-radius:12px;margin-bottom:16px}.play{font-size:16px;min-width:138px;height:50px}.play svg{fill:currentColor;stroke-width:1.5}.tempo-controls{display:flex;align-items:center;gap:18px;border-left:1px solid var(--line);padding-left:24px}.tempo-number{display:flex;gap:5px;align-items:center;font-size:12px;color:#c5d6ef}.tempo-number input{width:55px;border:0;border-radius:5px;background:transparent;font-size:22px;color:var(--text);padding:4px 0;text-align:center;appearance:textfield}.tempo-number input::-webkit-inner-spin-button{-webkit-appearance:none}input[type=range]{accent-color:var(--lime);height:28px;min-width:60px;width:170px;cursor:pointer}.volume-control{display:flex;align-items:center;gap:20px;padding-left:24px;border-left:1px solid var(--line);font-size:14px;color:#d7e3f4}.volume-control input{accent-color:var(--blue);width:180px}.exports{display:flex;gap:12px;margin-left:auto}.exports button{white-space:nowrap;min-height:50px}.sequencer{padding:16px 20px 10px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.grid{display:grid;grid-template-columns:145px repeat(16,minmax(0,1fr));gap:9px 10px}.step-number{height:24px;text-align:center;font-size:12px;color:var(--muted);display:flex;align-items:center;justify-content:center;border-radius:4px}.step-number.playing{color:var(--lime);background:#2a3c2c;font-weight:800}.track-label{min-height:44px;justify-content:flex-start;padding:8px 12px;color:var(--text);border-color:var(--line);background:var(--control);gap:14px}.track-label svg{color:var(--track);width:23px;height:23px;stroke-width:3}.step{min-width:0;min-height:44px;border:1px solid var(--line);padding:0;background:var(--control);border-radius:7px;position:relative}.step:nth-child(17n + 6),.step:nth-child(17n + 10),.step:nth-child(17n + 14){box-shadow:-4px 0 0 0 var(--surface),-5px 0 0 0 var(--line)}.step[aria-pressed=true]{background:var(--track);border-color:var(--track)}.step[aria-pressed=true]:after{content:"";width:6px;height:6px;border-radius:50%;background:#0d1623;opacity:.45}.step:hover{border-color:var(--muted)}.step.playing{outline:2px solid var(--text);outline-offset:2px}.grid-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:16px}.grid-footer p{margin:0;font-size:14px;color:var(--muted);line-height:1.55}.grid-footer>div{display:flex;gap:12px}.icon-button{min-width:44px;padding:9px}.status{font-size:13px;line-height:1.5;color:var(--muted);min-height:20px;margin:6px 0 0}.status.error{color:#ffb0be}.bottom-panels{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:18px}.panel{padding:18px 22px;background:var(--surface);border:1px solid var(--line);border-radius:12px}h2{font-size:25px;letter-spacing:-.6px;line-height:1.3;margin:0 0 16px}.presets{display:flex;gap:15px}.presets button{flex:1;min-height:59px;font-size:16px}.presets button[aria-pressed=true]{border:2px solid var(--lime);color:var(--lime)}#save-form{display:flex;gap:12px}input:not([type=range],[type=number]){min-width:0;min-height:45px;padding:10px 15px;border:1px solid #3c5474;border-radius:8px;background:var(--control);color:var(--text);font-size:16px}#title{flex:1;width:100%}#save-form button{min-width:150px}.saved-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}.saved-controls p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.saved-controls button{min-height:36px;font-size:12px;padding:6px 12px;font-weight:500;white-space:nowrap}.saved-controls svg{width:16px;height:16px}footer{text-align:center;color:var(--muted);font-size:14px;padding:25px 16px 22px}.mobile-pages{display:none}.skip-link{position:absolute;top:6px;left:10px;transform:translateY(-150%);z-index:50;background:var(--lime);color:#142003;padding:12px;border-radius:8px}.skip-link:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}dialog{background:var(--surface);color:var(--text);border:1px solid #466182;border-radius:16px;padding:24px;max-width:520px;width:calc(100% - 32px);max-height:85vh;overflow:auto}dialog::backdrop{background:#030a13c9;backdrop-filter:blur(5px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:14px}.dialog-top h2{margin:0}.dialog-top .icon-button{font-size:27px;font-weight:400}dialog p{color:var(--muted);line-height:1.6;font-size:14px}dialog label{font-size:14px;display:block;margin:15px 0 8px}#share-url{width:100%;margin-bottom:14px}#saved-list{list-style:none;padding:0;margin:20px 0}#saved-list li{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding:12px 0}#saved-list .saved-title{flex:1;min-width:0;overflow-wrap:anywhere;font-size:15px}#saved-list small{display:block;color:var(--muted);margin-top:3px}#saved-list button{font-size:13px;padding:8px 12px}#saved-status{min-height:22px}.noscript{padding:20px;text-align:center}
@media(min-width:1500px){.topbar,main{width:calc(100% - 160px)}}
@media(max-width:1499px){.topbar,main{width:calc(100% - 64px)}.transport{gap:18px}.tempo-controls{padding-left:18px;gap:8px}.tempo-controls input[type=range]{width:120px}.volume-control{padding-left:18px;gap:12px}.volume-control input{width:120px}.exports{gap:10px}.exports button{padding:10px 13px}.grid{grid-template-columns:125px repeat(16,minmax(0,1fr));gap:8px}h1{font-size:52px}}
@media(max-width:1199px){.transport{flex-wrap:wrap}.volume-control{flex:1}.volume-control input{width:100%;max-width:180px}.exports{margin-left:auto}.exports button{min-height:44px}.grid{grid-template-columns:105px repeat(16,minmax(0,1fr));gap:6px}.track-label{gap:8px;font-size:13px;padding:8px}.step{min-height:40px}.track-label{min-height:40px}.tempo-controls input[type=range]{width:110px}.play{min-width:110px}.exports svg{display:none}.panel{padding:18px}.presets{gap:10px}.saved-controls{align-items:flex-start;flex-wrap:wrap}#save-form button{min-width:110px}}
@media(max-width:900px){.transport{gap:14px}.tempo-controls{flex:1}.tempo-controls input[type=range]{width:100%}.volume-control{flex-basis:36%;padding-left:0;border:0}.exports{flex-basis:60%;justify-content:flex-end}.exports svg{display:block}.bottom-panels{gap:16px}.grid{grid-template-columns:95px repeat(16,minmax(0,1fr));gap:5px}.step{min-height:36px}.track-label{min-height:36px}.track-label svg{display:none}.saved-controls p{min-height:36px;display:flex;align-items:center}h1{font-size:44px}.intro p{font-size:18px}}
@media(max-width:1000px){.mobile-pages{display:flex;gap:10px;margin-bottom:14px}.mobile-pages button{flex:1;min-height:44px}.mobile-pages [aria-pressed=true]{color:var(--lime);border-color:var(--lime);background:#213128}.grid{grid-template-columns:105px repeat(4,minmax(0,1fr));gap:9px}.step,.track-label{min-height:48px}.track-label svg{display:block}.step:nth-child(n){box-shadow:none}.grid [data-group]:not(.current-group){display:none}}
@media(max-width:700px){.topbar,main{width:calc(100% - 32px)}.topbar{padding:12px 0;gap:10px}.brand{font-size:23px;gap:8px;letter-spacing:-.6px}.brand svg{width:28px}.back{font-size:13px;gap:6px}.back svg{width:18px}.intro{padding:24px 0 20px}h1{font-size:36px;letter-spacing:-1.2px}.intro p{font-size:16px;max-width:280px;margin:auto}.transport{padding:14px;gap:12px;margin-bottom:12px}.play{min-width:92px;height:46px;padding:10px;font-size:15px}.tempo-controls{gap:4px;padding-left:12px}.tempo-controls input[type=range]{min-width:40px}.tempo-number input{font-size:20px;width:47px}.tempo-number span{font-size:11px}.volume-control{flex-basis:100%;gap:14px;justify-content:flex-start;min-height:35px}.volume-control input{max-width:none;width:100%}.exports{flex-basis:100%;gap:10px}.exports button{flex:1;font-size:13px;padding:8px;gap:6px}.exports svg{width:18px}.sequencer{padding:12px}.mobile-pages{display:flex;gap:7px;margin-bottom:14px}.mobile-pages button{flex:1;padding:9px;font-size:13px;min-height:44px}.mobile-pages [aria-pressed=true]{color:var(--lime);border-color:var(--lime);background:#213128}.grid{grid-template-columns:85px repeat(4,minmax(0,1fr));gap:9px 7px}.step-number{height:20px}.track-label{padding:8px;gap:6px;font-size:13px;min-height:48px}.track-label svg{display:block;width:15px}.step{min-height:48px}.step:nth-child(n){box-shadow:none}.grid [data-group]:not(.current-group){display:none}.grid-footer{gap:10px;margin-top:15px;align-items:flex-start}.grid-footer p{font-size:12px}.grid-footer>div{gap:7px}.grid-footer button{padding:8px 10px}.status{font-size:12px;margin-top:12px}.bottom-panels{grid-template-columns:1fr;gap:12px;margin-top:12px}.panel{padding:18px 16px}h2{font-size:23px;margin-bottom:13px}.presets button{min-height:50px;font-size:15px}.saved-controls{flex-wrap:nowrap;align-items:center}#save-form{gap:8px}#save-form button{min-width:98px;font-size:14px;padding:10px}.saved-controls p{font-size:12px;min-height:0}.saved-controls button{min-height:44px}.saved-controls svg{margin-left:3px}.saved-controls{margin-top:12px}footer{font-size:13px;padding:24px 16px}dialog{padding:20px}#saved-list li{flex-wrap:wrap}#saved-list .saved-title{flex-basis:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}