.caption{font-size:14px;color:#647088;line-height:1.5;margin-top:14px}
.workshop{display:grid;grid-template-columns:230px minmax(0,1fr);gap:34px}.side-nav{padding-top:8px}.back{display:inline-flex;font-size:14px;font-weight:650;text-decoration:none;margin-bottom:24px;line-height:1.5}
.side-nav nav{display:flex;flex-direction:column;gap:6px}.side-nav nav a{display:flex;gap:14px;align-items:center;text-decoration:none;padding:14px 12px;border-radius:12px;font-size:15px;color:#5b6780;line-height:1.35}.side-nav nav a>span{font-size:12px;font-weight:750}.side-nav nav a[aria-current]{background:var(--tint);color:var(--accent);font-weight:750}.side-note{padding:24px 12px;margin-top:32px;border-top:1px solid var(--line);font-size:14px}.side-note p{margin-top:10px}
.module-heading{display:flex;gap:18px;justify-content:space-between;align-items:flex-start;margin:6px 0 24px}.module-heading h1{font-size:clamp(27px,3vw,37px);letter-spacing:-1.2px;line-height:1.1;margin-bottom:12px}.module-heading p:not(.eyebrow){font-size:16px}.module-heading>button{flex-shrink:0;font-size:14px}
.level-bar{display:flex;align-items:center;gap:22px;margin-bottom:22px}.segmented{display:flex;gap:5px;padding:5px;border-radius:13px;background:#e9edf5}.segmented button{background:transparent;border:0;border-radius:9px;min-width:72px;padding:9px 13px;font-size:15px;min-height:40px}.segmented button.selected{background:white;box-shadow:0 2px 5px #15274718;color:var(--accent)}.level-bar>span{font-size:14px;color:#647088;line-height:1.45}
.play-panel{padding:32px;background:white;border:1px solid var(--line);border-radius:22px;box-shadow:0 6px 20px #14294e04}.guide>p{max-width:700px}.guide-steps{list-style:none;margin:24px 0;padding:0;display:grid;gap:14px}.guide-steps li{display:flex;gap:14px;align-items:center;font-size:16px;line-height:1.5}.guide-steps li>span{flex-shrink:0;width:30px;height:30px;display:grid;place-items:center;background:var(--tint);color:var(--accent);border-radius:50%;font-size:14px;font-weight:750}
.demo-box{padding:24px;border-radius:15px;background:var(--tint);margin-top:28px}.demo-box h3{margin-bottom:10px}.demo-buttons{display:flex;flex-wrap:wrap;gap:10px}.demo-buttons>div{display:flex;flex-direction:column;align-items:stretch}.demo-buttons .listen{font-size:14px;padding:10px 14px}
.task-top{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--accent);margin-bottom:24px}.progress-dots{display:flex;gap:7px}.progress-dots i{height:6px;width:30px;border-radius:3px;background:#e0e5ee}.progress-dots .current{background:var(--accent);opacity:.5}.progress-dots .done{background:var(--accent)}.question-title{font-size:26px;line-height:1.25;letter-spacing:-.6px;margin-bottom:28px}
.audio-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 28px}.listen{padding:18px 20px;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent),white 70%);background:var(--tint);font-weight:750;text-align:left;justify-content:flex-start}.listen.heard{border-color:var(--accent)}.listen.heard:after{content:'✓';margin-left:auto;font-size:16px}.play-icon{font-size:17px;flex-shrink:0;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:white}.single-audio{display:flex;justify-content:center;margin:0 0 30px}
.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.choice{min-height:80px;justify-content:flex-start;align-items:center;gap:14px;text-align:left;padding:16px;border:2px solid var(--line);font-weight:500;transition:border-color .15s,background .15s}.choice.selected{background:var(--tint);border-color:var(--accent)}.choice:hover:not(:disabled){border-color:var(--accent)}.choice-letter{font-size:13px;font-weight:750;background:#edf0f6;color:#647088;width:28px;height:28px;display:grid;place-items:center;border-radius:8px;flex-shrink:0}.choice>span:last-child{flex:1;min-width:0}.choice strong{font-size:17px;line-height:1.4;display:block}.choice small{font-size:14px;display:block;line-height:1.4;margin-top:5px;color:#647088}.contour{width:100%;max-width:220px;height:70px;color:var(--accent);display:block}
.feedback:empty{display:none}.feedback{border-radius:13px;padding:18px 20px;margin-top:24px;font-size:16px;line-height:1.5}.feedback p{margin:5px 0 0;color:inherit}.feedback.success{background:#e8f7ef;color:#0b694a}.feedback.retry{background:#fff3dd;color:#77521b}.task-controls{display:flex;gap:12px;margin-top:26px}.hint-box{padding:18px 20px;border-left:3px solid var(--accent);background:var(--tint);border-radius:0 12px 12px 0;margin-top:18px;font-size:15px}.hint-box p{margin-top:8px}
.complete{text-align:center;padding:45px 32px}.complete-icon{display:inline-grid;place-items:center;border-radius:50%;width:68px;height:68px;background:var(--tint);color:var(--accent);font-size:36px;margin-bottom:22px}.complete .transfer{max-width:540px;margin:24px auto;background:#f5f7fb;border-radius:12px;padding:17px;font-size:16px}.complete-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.note-symbol{width:72px;height:64px;display:block;color:inherit}.small-instruction{font-size:15px;margin-bottom:12px}.rhythm-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:20px 0}.rhythm-tile{border:2px solid var(--line);border-radius:14px;min-height:145px;display:flex;align-items:center;justify-content:center;flex-direction:column;position:relative;padding:18px 6px 10px;background:#f8f9fc;transition:background .15s}.rhythm-tile small{font-size:12px;text-align:center;line-height:1.4;color:#647088}.rhythm-tile .beat-label{position:absolute;top:6px;left:10px;font-size:12px;color:#647088}.rhythm-tile.slot{border-style:dashed;background:white}.rhythm-tile.active{border-color:var(--accent);background:var(--tint)}.rhythm-tile.is-playing{background:#e0e8ff;box-shadow:inset 0 0 0 2px var(--accent)}.empty-note{height:64px;font-size:38px;display:grid;place-items:center;color:var(--accent)}
.token-bank{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}.token-bank>div{display:flex;flex-direction:column;max-width:180px}.token{display:flex;flex-direction:column;min-width:130px;padding:10px 14px;font-size:13px}.token-audio{border:0;min-height:40px;font-size:13px;color:var(--accent);padding:9px}
.symbol-legend{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.symbol-legend>div{display:flex;align-items:center;gap:6px;background:white;padding:8px;border-radius:10px}.symbol-legend .note-symbol{width:46px;flex-shrink:0}.symbol-legend span{font-size:13px;line-height:1.4}.sign-prompt{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:26px}.notation-row{display:flex;justify-content:space-evenly;gap:10px;padding:22px 14px;border:1px solid var(--line);border-radius:14px;background:repeating-linear-gradient(to bottom,transparent 0,transparent 14px,#e1e5ee 14px,#e1e5ee 15px,transparent 15px,transparent 16px);background-size:100% 80px;background-repeat:no-repeat;background-position:center}.sign-choice{display:flex;flex-direction:column;gap:4px;border:2px solid var(--line);background:#fff;min-width:0;padding:10px;flex:1;max-width:110px}.sign-choice.selected{border-color:var(--accent);background:var(--tint)}.sign-choice>span{font-size:12px;color:#647088}.sign-choice .note-symbol{width:100%;max-width:72px}
.curtain{padding:26px;border-radius:16px;background:var(--tint);display:flex;align-items:center;gap:20px;margin-bottom:25px;justify-content:center}.mystery{font-size:46px;font-weight:750;color:var(--accent);min-width:64px;text-align:center}.curtain .listen{background:white}.instrument-image{display:block;width:100%;height:110px;object-fit:contain;background:white;border-radius:8px;margin-bottom:12px}.instrument-library{display:grid;grid-template-columns:repeat(3,1fr)}.instrument-library>div{background:white;border-radius:12px;padding:12px;min-width:0}.library-image{display:block;width:100%;height:130px;object-fit:contain;margin-bottom:10px}.instrument-library .listen{font-size:14px;justify-content:center;white-space:normal}.instrument-library .play-icon{width:24px;height:24px;font-size:12px}
.conductor-controls{display:grid;gap:20px}.conductor-controls fieldset{border:0;padding:0;margin:0}.conductor-controls legend{font-size:15px;font-weight:700;margin-bottom:10px}.conductor-controls .segmented button{flex:1;min-width:0;padding:14px 10px}
.sources{max-width:850px;background:white;padding:36px;border:1px solid var(--line);border-radius:18px}.sources h1{font-size:36px}.sources h2{margin-top:30px}.sources p,.sources li{line-height:1.7;font-size:16px}.sources li{margin-bottom:10px}.sources a{color:#2447df;overflow-wrap:anywhere}.credits p{font-size:14px}.audio-status button{padding:5px 12px;min-height:34px;font-size:13px;margin-left:12px}
.choice:disabled,.token:disabled,.sign-choice:disabled,.rhythm-tile:disabled{opacity:1}
@media(max-width:1000px){.workshop{grid-template-columns:180px minmax(0,1fr);gap:22px}.side-nav nav a{font-size:14px;padding:12px 8px;gap:10px}.play-panel{padding:24px}.level-bar{flex-direction:column;align-items:flex-start;gap:10px}.module-heading{gap:10px}.module-heading>button{padding:9px}.symbol-legend{grid-template-columns:repeat(2,1fr)}.instrument-library{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.workshop{display:block}.side-nav{margin-bottom:24px}.side-nav nav{display:flex;flex-direction:row;overflow-x:auto;gap:5px;padding:5px 0}.side-nav nav a{flex-shrink:0;max-width:180px;padding:10px;font-size:13px}.side-nav .back{margin-bottom:8px}.side-note{display:none}.module-heading h1{font-size:29px}.play-panel{padding:24px}}
@media(max-width:450px){.module-heading{flex-direction:column}.module-heading>button{align-self:flex-end;margin-top:-8px}.play-panel{padding:22px 16px;border-radius:16px}.question-title{font-size:23px}.options{grid-template-columns:1fr}.audio-pair{gap:9px}.listen{padding:13px 10px;font-size:14px;gap:7px}.play-icon{width:24px;height:24px;font-size:13px}.demo-box{padding:16px}.guide-steps li{font-size:15px;align-items:flex-start}.rhythm-strip{gap:5px}.rhythm-tile{min-height:126px;padding:18px 3px 8px}.rhythm-tile .note-symbol{width:50px}.rhythm-tile small{font-size:12px}.token-bank{gap:8px}.token{min-width:90px;padding:7px;font-size:12px;max-width:100px}.token-audio{font-size:12px;padding:9px 3px}.notation-row{gap:5px;padding:15px 6px}.sign-choice{padding:5px}.sign-prompt{gap:12px}.symbol-legend{grid-template-columns:repeat(2,minmax(0,1fr))}.symbol-legend>div{flex-direction:column;align-items:center;text-align:center}.curtain{padding:16px;gap:10px}.mystery{font-size:36px;min-width:40px}.instrument-image{height:100px}.instrument-library>div{padding:8px}.library-image{height:100px}.conductor-controls .segmented button{font-size:13px;padding:12px 8px}.sources{padding:22px}.sources h1{font-size:30px}}