@font-face{font-family:Club;src:url('./assets/club.ttf') format('truetype');font-weight:600;font-display:swap}
:root{--ink:#163f3c;--sea:#0d3c3a;--paper:#f5f2e8;--muted:#62756c;--line:#d3d8c9;--coral:#e78e6e;--mint:#b8d8a5;--yellow:#e9cc86;--red:#b84c38;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 Club,"Avenir Next","PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,select{color:inherit}button{border:0}button:disabled{cursor:not-allowed;opacity:.43}button:not(:disabled){transition:background .18s,color .18s,transform .18s}button:active:not(:disabled){transform:translateY(1px)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,#scene:focus-visible{outline:3px solid #d9784d;outline-offset:4px}::selection{color:var(--paper);background:var(--sea)}input{accent-color:var(--sea);caret-color:var(--sea)}svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}[hidden]{display:none!important}.masthead{height:88px;padding:0 4%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);text-decoration:none;font-size:18px;font-weight:750;line-height:1.3;letter-spacing:.06em}.brand small{display:block;font-size:9px;letter-spacing:.24em;margin-top:4px;font-weight:650}.brand-mark{width:37px;height:39px;display:flex;align-items:flex-end;position:relative;gap:3px;padding:0 3px}.brand-mark:before{content:"";position:absolute;top:0;left:0;width:37px;height:29px;border-radius:50% 50% 38% 38%;background:var(--sea)}.brand-mark:after{content:"";position:absolute;top:13px;left:11px;width:4px;height:5px;border-radius:50%;background:var(--paper);box-shadow:11px 0 0 var(--paper)}.brand-mark i{position:relative;width:6px;height:18px;border-radius:0 0 4px 4px;background:var(--sea)}.brand-mark i:nth-child(2),.brand-mark i:nth-child(3){height:14px}.header-note{font-size:13px;letter-spacing:.12em;margin-left:auto;margin-right:40px}.text-button{background:transparent;display:flex;align-items:center;gap:7px;padding:9px 0;font-size:12px}.text-button:hover{color:#a84c32}.stage{position:relative;height:clamp(440px,48vw,600px);min-height:440px;background:var(--sea);overflow:hidden;margin:0 24px;border-radius:5px;color:var(--paper)}#scene{position:absolute;inset:0;touch-action:none;cursor:grab}#scene:active{cursor:grabbing}#scene canvas{width:100%;height:100%;display:block}.stage-title{position:absolute;pointer-events:none;top:42px;left:3.7%;z-index:1}.stage-title h1{font-size:clamp(62px,6.6vw,104px);line-height:.84;font-weight:620;margin:0;letter-spacing:-.065em;letter-spacing:-.04em}.stage-title h1 span{color:var(--mint)}.stage-title p{line-height:1.8;letter-spacing:.13em;font-size:13px;margin-top:28px;color:#dfecdc}.venue{font-size:8px;letter-spacing:.17em;color:#a6c8b9;display:block;margin-top:32px}.live-badge{position:absolute;top:30px;right:32px;display:flex;align-items:center;gap:8px;color:#d8e8d8;font-size:11px;pointer-events:none}.live-badge>span:first-child{width:6px;height:6px;border-radius:50%;background:#9aafa0}.live-badge.playing>span:first-child{background:#c9eab0;box-shadow:0 0 0 4px #c9eab017}.live-badge.recording>span:first-child{background:#f49579;animation:blink 1s infinite}.stage-bottom{position:absolute;bottom:20px;left:3.7%;right:24px;display:flex;justify-content:space-between;align-items:center;gap:12px;pointer-events:none}.stage-bottom p{display:flex;align-items:center;gap:8px;margin:0;font-size:10px;color:#c2d6c9}.stage-bottom svg{width:16px;height:16px}.view-controls{display:flex;gap:7px;pointer-events:auto}.scene-button{border:1px solid #bad5c53d;background:#103d37d9;border-radius:24px;color:#d8e5d4;font-size:11px;display:flex;align-items:center;gap:5px;padding:8px 11px}.scene-button:hover,.scene-button[aria-pressed=true]{background:#2c5b4c}.drum-hint{position:absolute;display:flex;gap:6px;align-items:center;transform:translate(-50%,-50%);font-size:10px;background:var(--mint);color:#163b32;white-space:nowrap;padding:8px 11px;border-radius:18px;touch-action:none;box-shadow:0 4px 14px #06272133}.drum-hint svg{width:13px;height:13px}.drum-hint:active{transform:translate(-50%,-50%)!important}.drum-hint:after{content:"";position:absolute;top:100%;left:calc(50% - 1px);height:17px;width:1px;background:var(--mint);pointer-events:none}#loading{position:absolute;inset:0;display:grid;place-items:center;background:var(--sea);z-index:3;color:var(--mint)}#stage-error{position:absolute;inset:24% 20%;padding:24px;background:var(--paper);color:var(--ink);border-radius:12px;z-index:4}#toast{position:absolute;bottom:69px;left:50%;transform:translate(-50%,8px);background:#f5f2e8;box-shadow:0 6px 24px #06272133;color:var(--ink);padding:9px 17px;font-size:12px;border-radius:20px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:4;white-space:nowrap}#toast.visible{opacity:1;transform:translate(-50%,0)}.transport{margin:0 4%;padding:23px 0;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:36px}.play-group{display:flex;align-items:center;gap:15px;min-width:300px}.play-button{width:53px;height:53px;border-radius:50%;background:var(--coral);color:var(--ink);display:grid;place-items:center;flex-shrink:0}.play-button:hover{background:#efaa87}.play-button svg{width:25px;height:25px}.play-group strong{display:block;font-size:15px;font-weight:700}.play-group span{display:block;font-size:10px;color:var(--muted);margin-top:3px}.tempo-group{margin-left:auto;display:flex;align-items:center;gap:20px}.tempo-group label{display:flex;gap:8px;align-items:baseline;white-space:nowrap}.tempo-group label>span{font-size:10px;color:var(--muted)}.tempo-group strong{font-size:24px;font-weight:550;min-width:40px;text-align:right;font-variant-numeric:tabular-nums}.tempo-group input{width:140px;height:24px;cursor:pointer}.transport-actions{display:flex;gap:8px;padding-left:28px;border-left:1px solid var(--line)}.icon-button{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:transparent}.icon-button:hover,.icon-button[aria-pressed=true]{background:#e2e6d6}.studio{padding:30px 4% 28px}.studio-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}h2{margin:0;font-size:24px;font-weight:650;letter-spacing:-.03em}.studio-heading h2 span{color:#6f7e6d}.studio-heading p{font-size:11px;color:var(--muted);margin:6px 0 0}.pattern-tools{display:flex;align-items:center;gap:14px}select{background:transparent;border:1px solid #aebba8;border-radius:6px;padding:9px 28px 9px 12px;font-size:11px;max-width:160px;cursor:pointer}.subtle-button{background:transparent;color:var(--muted);font-size:11px;text-decoration:underline;text-underline-offset:4px;padding:9px 0}.subtle-button:hover{color:var(--ink)}.studio-body{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:36px}.sequencer-area,.sequencer-wrap{min-width:0}.mobile-grid-note{display:none}#sequencer{display:grid;grid-template-columns:106px repeat(16,minmax(20px,1fr));column-gap:5px;row-gap:5px}.step-number{font-size:9px;text-align:center;color:var(--muted);height:18px;line-height:18px;font-variant-numeric:tabular-nums;border-radius:3px}.step-number.quarter{font-weight:750;color:var(--ink)}.step-number.current{background:var(--sea);color:var(--paper)}.instrument-label{height:24px;display:flex;align-items:center;gap:8px;min-width:0;background:transparent;padding:0;text-align:left;font-size:10px;border-radius:3px;white-space:nowrap}.instrument-label:hover{background:#e1e6d7}.instrument-label kbd{width:21px;height:21px;display:grid;place-items:center;font:10px Club,sans-serif;border:1px solid #c9d2be;border-radius:4px;color:var(--muted)}.instrument-label.hit kbd{background:var(--sea);color:var(--paper)}.instrument-label b{width:5px;height:5px;border-radius:50%;background:var(--track)}.step{height:24px;min-width:0;padding:0;border-radius:3px;background:#e4e7da;position:relative;overflow:hidden}.step.quarter{background:#d9dfcc}.step:hover{filter:brightness(.95);outline:1px solid #667f62}.step.on{background:var(--track)}.step.on:after{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:#183e37;top:calc(50% - 2px);left:calc(50% - 2px);opacity:.7}.step.current{box-shadow:inset 0 -3px 0 #173d34;background:#c2ceaf}.step.current.on{background:var(--track);filter:brightness(1.12)}.grid-footer{font-size:9px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;margin-top:14px}.grid-footer span:first-child{display:flex;gap:6px;align-items:center}.grid-footer i{display:inline-block;width:5px;height:5px;background:#859c78;border-radius:2px}.tape-panel{padding:17px 20px 15px;background:#e6e9db;border-radius:9px;display:flex;flex-direction:column}.tape-heading{display:flex;justify-content:space-between;gap:8px;align-items:center}.tape-heading h3{font-size:12px;font-weight:650;margin:0}.tape-heading>span{font-size:7px;letter-spacing:.08em;color:#5d745e}.tape-window{height:56px;margin-top:15px;background:#ccd5bd;border-radius:26px;display:flex;align-items:center;justify-content:space-between;padding:0 10px;position:relative}.reel{width:41px;height:41px;border:8px solid #3d6552;background:#c8d2b8;border-radius:50%;position:relative;z-index:1;animation:spin 3s linear infinite;animation-play-state:paused}.tape-panel.running .reel{animation-play-state:running}.reel i{position:absolute;left:10px;top:0;width:4px;height:11px;background:#3d6552;transform-origin:2px 12px}.reel i:nth-child(2){transform:rotate(120deg)}.reel i:nth-child(3){transform:rotate(240deg)}.tape-line{position:absolute;left:26px;right:26px;height:29px;border-block:2px solid #58735a;top:14px}.tape-status{display:flex;align-items:baseline;justify-content:space-between;margin:10px 0 11px}.tape-status strong{font-size:23px;line-height:1.1;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.tape-status span{font-size:9px;color:#526c57}.record-actions{display:flex;gap:7px}.record-button,.replay-button{background:var(--paper);border-radius:5px;font-size:10px;height:34px;display:flex;align-items:center;justify-content:center;gap:6px;padding:0 11px;flex:1}.record-button:hover,.replay-button:hover:not(:disabled){background:white}.record-dot{width:7px;height:7px;display:inline-block;background:#b35940;border-radius:50%;flex-shrink:0}.record-button.active{color:#943d28;background:#f5d6bc}.record-button.active .record-dot{border-radius:1px;animation:blink 1s infinite}.replay-button svg{width:14px;height:14px}.tape-panel p{font-size:9px;line-height:1.65;color:#5a705c;margin:9px 0 0}footer{display:flex;align-items:center;justify-content:space-between;margin:0 4%;padding:21px 0 26px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}footer>span:last-child{font-size:8px;letter-spacing:.12em}.footer-star{padding:0 9px;color:#89987d}.help-panel{position:fixed;top:80px;right:4%;width:min(430px,92vw);max-height:calc(100svh - 100px);overflow:auto;background:var(--paper);box-shadow:0 20px 70px #05282260;padding:26px;border-radius:10px;z-index:10}.help-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.help-heading h2{font-size:22px}.help-panel ol{padding-left:20px;margin-bottom:22px}.help-panel li{padding:7px 0 8px 6px}.help-panel li::marker{color:#888d73;font-size:11px}.help-panel li strong{display:block;font-size:13px}.help-panel li span,.help-panel>p{font-size:11px;color:#607465}.help-panel>p{border-top:1px solid var(--line);padding-top:16px}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-thumb{background:#93a58c;border-radius:5px}::-webkit-scrollbar-track{background:#e7eadd}@keyframes spin{to{transform:rotate(360deg)}}@keyframes blink{50%{opacity:.45}}
@media(min-width:1600px){main{max-width:1800px;margin:auto}.masthead,footer{max-width:1800px;margin-inline:auto}.stage-title{left:5%}}
@media(max-width:1050px){.studio-body{grid-template-columns:minmax(0,1fr) 220px;gap:20px}#sequencer{grid-template-columns:82px repeat(16,minmax(14px,1fr));gap:4px}.tape-panel{padding:16px}.tempo-group input{width:100px}.transport{gap:20px}.play-group{min-width:270px}.stage-title h1{font-size:76px}.stage-title{top:34px}.stage{height:510px}.stage-title p{font-size:11px}.venue{font-size:7px}}
@media(max-width:760px){.masthead{height:72px;padding:0 20px}.brand{font-size:15px;gap:10px}.brand small{font-size:7px}.brand-mark{transform:scale(.87)}.header-note{display:none}.text-button{font-size:11px}.stage{margin:0 12px;height:510px;min-height:0}.stage-title{top:24px;left:23px}.stage-title h1{font-size:58px;line-height:.9}.stage-title p{font-size:10px;line-height:1.8;margin-top:14px;letter-spacing:.08em}.venue{display:none}.live-badge{top:26px;right:19px;font-size:9px}.stage-bottom{bottom:16px;left:18px;right:14px;align-items:flex-end}.stage-bottom p{font-size:8px;max-width:135px;line-height:1.7}.stage-bottom p svg{display:none}.scene-button{font-size:9px;padding:7px 9px}.scene-button svg{width:13px;height:13px}.drum-hint{font-size:9px;padding:7px 10px}.transport{margin:0 20px;padding:20px 0;flex-wrap:wrap;gap:19px}.play-group{min-width:0;flex:1;gap:12px}.play-button{width:46px;height:46px}.play-group strong{font-size:13px}.play-group span{font-size:9px}.tempo-group{order:3;width:100%;justify-content:space-between;margin:0;gap:16px}.tempo-group input{width:calc(100% - 125px)}.tempo-group strong{font-size:21px}.transport-actions{padding:0;border:0;gap:0}.icon-button{width:35px;height:35px}.studio{padding:24px 20px}.studio-heading{align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:16px}h2{font-size:21px}.studio-heading p{font-size:10px}.pattern-tools{width:100%;justify-content:space-between;gap:9px}select{padding:7px 25px 7px 9px;font-size:10px}.subtle-button{font-size:10px}.studio-body{grid-template-columns:1fr;gap:23px}.mobile-grid-note{display:block;font-size:9px;color:var(--muted);margin:0 0 12px}.sequencer-wrap{overflow-x:auto;padding-bottom:10px;scrollbar-width:thin}#sequencer{min-width:760px;grid-template-columns:82px repeat(16,minmax(36px,1fr));column-gap:4px;row-gap:6px}.instrument-label{position:sticky;left:0;z-index:1;background:var(--paper);gap:6px;font-size:10px;height:36px}.instrument-label kbd{width:17px;height:19px;font-size:9px}.instrument-label b{width:4px;height:4px}.step{height:36px;border-radius:3px}.step-number{font-size:9px}.step.on:after{width:3px;height:3px}.grid-footer{font-size:8px;gap:5px;min-width:760px}.tape-panel{padding:18px 22px;display:grid;grid-template-columns:1fr 1fr;column-gap:22px;align-items:center}.tape-heading{grid-column:1 / -1;margin-bottom:4px}.tape-window{grid-column:1;height:60px;margin-top:10px}.tape-status{grid-column:2;grid-row:2;margin:0}.record-actions{grid-column:1 / -1;margin-top:15px}.record-button,.replay-button{height:39px;font-size:11px}.tape-panel p{grid-column:1 / -1;font-size:9px;margin-top:10px}.tape-status strong{font-size:27px}.tape-status{flex-direction:column;gap:6px}footer{margin:0 20px;align-items:flex-start;gap:16px;font-size:9px}footer>span:last-child{font-size:7px;max-width:120px;text-align:right}#toast{font-size:10px;max-width:90%;white-space:normal;width:max-content;bottom:64px}.help-panel{right:4%;top:74px}.help-heading h2{font-size:20px}#stage-error{inset:20% 7%;font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}