:root{--paper:#fbfaf6;--ink:#17202c;--cursor-fill:rgba(72,126,203,.12);--cursor-line:#3975bc;--r-panel:12px;--r-ctl:8px;--muted:#9aa8bd;--dim:#8997ad}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC",sans-serif;font-size:15px;line-height:1.65}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,a,select{transition:background .15s ease,border-color .15s ease}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:44px;line-height:1.25;font-weight:650;margin:12px 0}h2{font-size:22px;line-height:1.5;font-weight:600}h3{font-size:15px;font-weight:600}main,.site-head{max-width:1140px;margin:auto;padding-left:28px;padding-right:28px}.site-head{display:flex;align-items:center;justify-content:space-between;padding-top:24px;padding-bottom:24px;border-bottom:1px solid var(--border);font-size:12px}.brand{color:var(--text);font-weight:600}.brand span{padding:0 12px;color:var(--dim)}.eyebrow{color:var(--accent);font:600 10px/1.5 ui-monospace,monospace;letter-spacing:.16em}.text-link{font-size:12px}.hero{padding:44px 0 28px}.hero-copy{font-size:18px;color:var(--muted);margin:0 0 16px}.credit{color:var(--muted);font-size:12px}.credit span{display:inline-block;margin-left:20px;color:var(--dim)}.facts{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.facts span{padding:4px 12px;background:var(--panel);border:1px solid var(--border);border-radius:var(--r-ctl);color:var(--muted);font-size:11px}.btn,.icon-btn,.tab{border:1px solid var(--border-strong);border-radius:var(--r-ctl);background:var(--panel-2);color:var(--text);height:36px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;white-space:nowrap}.btn:hover,.icon-btn:hover,.tab:hover{background:var(--border);text-decoration:none;border-color:var(--accent)}.primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent);min-width:76px}.primary:hover{background:var(--accent-press)}.transport{position:sticky;top:8px;z-index:20;display:flex;align-items:center;gap:8px;padding:8px;border:1px solid var(--border-strong);border-radius:var(--r-panel);background:var(--bg2)}.transport #bar-readout{font-size:12px;margin-left:8px}.transport time{margin-left:auto;font:12px ui-monospace,monospace;white-space:nowrap}.follow{font-size:11px;display:flex;align-items:center;margin-left:12px;white-space:nowrap}input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px}input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer;height:18px;margin:8px 0}#seek{margin:16px 0 0}#status{min-height:30px;color:var(--muted);font-size:11px;margin-bottom:12px}.error{color:var(--bad)!important}.studio-grid{display:grid;grid-template-columns:minmax(0,1fr) 244px;gap:20px;align-items:start}.score-panel,.practice-panel{border:1px solid var(--border);border-radius:var(--r-panel);background:var(--panel);min-width:0;overflow:hidden}.panel-top,.score-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border)}.mode-tabs{display:flex;gap:4px}.tab{background:transparent;border-color:transparent;height:32px;padding:0 12px}.tab.on{color:var(--accent);border-color:var(--accent);background:var(--bg2)}.caption{font-size:10px;color:var(--muted)}.score-tools{padding:8px 16px}.score-tools label{font-size:11px;color:var(--muted)}select,input[type=number]{background:var(--bg2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--r-ctl);height:30px;padding:2px 8px;font-size:11px}select:hover{border-color:var(--accent)}.score-tools select{margin-left:8px;max-width:150px}.pager{display:flex;gap:10px;align-items:center;font:11px ui-monospace,monospace}.icon-btn{width:30px;height:28px;padding:0}#score-viewport{max-height:650px;overflow:auto;background:var(--paper);scroll-behavior:auto}#sheet{width:100%;min-width:0;line-height:0}#sheet svg{display:block;width:100%;height:auto;color:var(--ink)}.bar-shade{fill:var(--cursor-fill);pointer-events:none}.play-cursor{fill:var(--cursor-line);opacity:.8;pointer-events:none}.score-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;color:var(--muted);font-size:10px}.score-bottom select{font-size:10px;height:28px}.practice-panel{padding:18px}.practice-panel section+section{border-top:1px solid var(--border);padding-top:20px;margin-top:20px}.practice-panel h2{font-size:18px;margin:6px 0 20px}.range-label{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin-top:18px}.range-label output{color:var(--accent);font:11px ui-monospace,monospace}.small-row{display:flex;justify-content:space-between;color:var(--muted);font-size:10px}.text-button{background:none;border:none;padding:0 2px;color:var(--accent);font-size:11px;min-height:26px}.text-button:hover{text-decoration:underline}.check{display:flex;align-items:center;gap:6px;font-size:12px}.practice-panel>.check{margin-top:12px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.loop-fields{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--muted)}.loop-fields label{width:calc(50% - 12px)}.loop-fields input{display:block;width:100%;margin-top:4px}.full-width{width:100%;margin-top:12px;height:32px;font-size:10px}.track{display:grid;grid-template-columns:minmax(0,1fr) 38px;align-items:center;gap:8px;margin:10px 0}.track label{display:flex;align-items:center;gap:4px;font-size:11px}.track.muted label{color:var(--dim)}.solo{font-size:10px;color:var(--muted);background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-ctl);height:26px;padding:0 4px}.solo:hover,.solo[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.downloads{margin:36px 0 52px;border:1px solid var(--border);border-radius:var(--r-panel);padding:24px;background:var(--bg2);display:grid;grid-template-columns:1fr 1fr;gap:24px}.downloads h2{font-size:20px;margin:6px 0 8px}.downloads p{font-size:12px;color:var(--muted)}.download-actions{display:flex;align-content:center;align-items:center;flex-wrap:wrap;gap:8px}.download-actions .btn{font-size:11px}.about{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:0 0 44px;scroll-margin-top:80px}.about h2{margin:8px 0 20px;font-size:24px}.about p{font-size:13px;color:var(--muted);line-height:1.85}.about-meta p+p{margin-top:18px}.about strong{color:var(--text);font-weight:600}.about-meta>a{display:inline-block;margin-top:18px}footer{border-top:1px solid var(--border);display:flex;justify-content:space-between;color:var(--muted);font-size:10px;padding:20px 0 60px}noscript{display:block;padding:20px;color:var(--warn)}
@media(max-width:800px){.studio-grid{grid-template-columns:1fr}.practice-panel{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.practice-panel section+section{margin:0;padding:0;border:0}.practice-panel h2{font-size:16px}.transport .follow{display:none}#score-viewport{max-height:720px}.downloads{grid-template-columns:1fr;gap:20px}.about{gap:24px}.caption{font-size:10px}}
@media(max-width:580px){main,.site-head{padding-left:16px;padding-right:16px}.site-head{padding-top:18px;padding-bottom:18px}.brand span{padding:0 6px}.hero{padding-top:32px}h1{font-size:36px}.hero-copy{font-size:16px}.credit span{display:block;margin:4px 0 0}.transport{gap:6px;padding:6px}.transport .btn{height:34px;padding:0 10px;min-width:0}.transport time{font-size:10px}.transport #bar-readout{font-size:10px;margin-left:0}.practice-panel{grid-template-columns:1fr}.practice-panel section+section{border-top:1px solid var(--border);padding-top:16px;margin-top:4px}.practice-panel h2{margin-bottom:12px}.range-label{margin-top:12px}.panel-top{padding:12px;gap:4px}.score-tools{padding:8px 12px}.score-bottom{align-items:flex-start;padding:12px;font-size:10px}.score-bottom>span{max-width:130px}.score-bottom>label{display:flex;flex-direction:column;gap:4px}.caption{font-size:9px}.tab{padding:0 10px}#score-viewport{max-height:570px}#sheet{min-width:0}.about{grid-template-columns:1fr;gap:24px}.about h2{font-size:22px}.downloads{padding:20px;margin-top:24px}.downloads h2{font-size:18px}.download-actions .btn{flex:1 0 42%}footer{display:block}footer span{display:block}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{body[data-reading-scale-page]{zoom:1!important;background:var(--paper);color:var(--ink)}.site-head,.hero,.transport,.progress-line,.practice-panel,.score-tools,.score-bottom,.downloads,.about,footer,.reading-scale-control{display:none!important}.studio-grid{display:block}.score-panel{border:0}#score-viewport{max-height:none;overflow:visible}#sheet{min-width:0!important;width:100%!important}.bar-shade,.play-cursor,.panel-top{display:none}}

/* Personal experiment and score enquiries */
.head-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end}.experiment-note{margin-top:24px;padding:16px 20px;border-left:2px solid var(--accent);background:var(--bg2);max-width:740px}.experiment-note strong{font-size:13px;font-weight:600}.experiment-note p{font-size:12px;color:var(--muted);margin:4px 0 8px}.download-actions{align-items:flex-start;flex-direction:column;justify-content:center}.audio-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.audio-actions>.caption{flex-basis:100%}.request-panel{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:28px;background:var(--bg2);border:1px solid var(--border-strong);border-radius:var(--r-panel);margin:48px 0;scroll-margin-top:88px}.request-panel h2{margin:8px 0 12px}.request-panel p{color:var(--muted);font-size:13px;line-height:1.85}.contact-actions{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;min-width:0}.contact-actions .caption{font-size:11px}.email-address{font:12px/1.7 ui-monospace,monospace;overflow-wrap:anywhere}.usage-notice{border-top:1px solid var(--border);padding-top:32px;margin:48px 0;scroll-margin-top:88px}.usage-notice h2{margin:8px 0 12px}.notice-intro{max-width:640px;color:var(--muted);font-size:13px}.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 36px;margin:28px 0}.notice-grid article{min-width:0}.notice-grid h3{margin-bottom:8px}.notice-grid p{font-size:12px;line-height:1.9;color:var(--muted)}.notice-grid .text-link{display:inline-block;margin-top:8px}.notice-date{font-size:11px;color:var(--dim)}
@media(max-width:680px){.request-panel,.notice-grid{grid-template-columns:1fr;gap:24px}.request-panel{padding:20px}.head-links{gap:8px}.site-head{gap:16px}.head-links .text-link{font-size:10px}.brand{font-size:11px}.experiment-note{padding:12px 16px}.download-actions>.btn{flex:none;height:auto;min-height:36px;padding:8px 14px;white-space:normal}.audio-actions .btn{flex:none}.request-panel h2,.usage-notice h2{font-size:20px}}
@media print{.request-panel{display:none!important}.usage-notice{display:block;color:var(--ink);break-before:page}.usage-notice p,.usage-notice h2,.usage-notice h3,.usage-notice a,.usage-notice .eyebrow{color:var(--ink)}}