:root{--bg:#06101e;--panel:#0a1729;--panel2:#142947;--line:#456f9f;--blue:#94caff;--yellow:#ffe36d;--green:#77e58a;--orange:#ffad4e;--purple:#c58cff;--ink:#f7fbff;--muted:#c7d7eb}
*{box-sizing:border-box}html,body{height:100%;margin:0}button,select,input{font:inherit}body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);overflow:hidden}.app{height:100vh;display:grid;grid-template-columns:272px minmax(0,1fr)}
.side{background:#071326;border-right:1px solid #6e91bb;padding:10px 8px;overflow-y:auto}.brand{font-weight:950;font-size:28px;line-height:.84;margin:3px 0 13px}.brand span{display:block;color:#9dccff}.navTitle{font-size:10px;letter-spacing:4px;text-transform:uppercase;color:var(--blue);font-weight:950;margin:12px 0 7px}.mainBtn{display:block;text-decoration:none;color:#fff;background:#0b182b;border:1px solid #426b99;border-radius:12px;padding:9px 10px;margin:0 0 6px;font-weight:950;font-size:15px;line-height:1.08}.mainBtn small{display:block;color:#bcd0e7;font-size:10px;margin-top:4px}.mainBtn.active{border-color:var(--yellow);box-shadow:0 0 13px #ffe36d66;background:linear-gradient(90deg,#254e83,#10233d)}
.main{min-width:0;overflow-y:auto;background:linear-gradient(180deg,#0a1830,#06101e)}.top{height:68px;display:flex;align-items:center;justify-content:space-between;padding:7px 13px;border-bottom:1px solid #547ca9;background:#0b1b32;position:sticky;top:0;z-index:70}.title{font-size:24px;font-weight:950;color:#9dccff;line-height:1.05}.sub{font-size:11.5px;font-weight:800;margin-top:3px}.lessonNav{display:flex;align-items:center;gap:8px}.pill{border:1px solid #76a6da;border-radius:999px;background:#16345d;color:#fff;padding:9px 13px;font-size:12px;font-weight:950;cursor:pointer;white-space:nowrap}.pill.menu{background:#30260c;border-color:#ffe36d}.pill.next{background:#27643a;border-color:#79e589}
.stageTrail{height:43px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:5px 10px;background:#10233d;border-bottom:1px solid #557ca9}.stageBtn{border:1px solid #416895;border-radius:9px;background:#091527;color:#c6d8ed;padding:4px 7px;text-align:left;cursor:pointer;font-size:9.5px;font-weight:900;line-height:1.05}.stageBtn b{display:block;color:var(--blue);font-size:10.5px}.stageBtn.active{border-color:var(--yellow);box-shadow:0 0 10px #ffe36d55;background:#3b3212}.stageBtn.active b{color:var(--yellow)}
.keySection{padding:5px 10px 6px;background:#10233d;border-bottom:1px solid #557ca9}.stripTitle{text-align:center;font-size:10px;letter-spacing:4px;text-transform:uppercase;color:var(--blue);font-weight:950;margin-bottom:4px}.keyStrip{display:grid;grid-template-columns:repeat(13,minmax(0,1fr));gap:5px}.keyBtn{height:48px;border:1px solid #5f87b4;border-radius:9px;background:#0a1729;color:#fff;cursor:pointer;font-weight:950;line-height:1}.keyBtn b{display:block;font-size:18px}.keyBtn span{display:block;color:var(--yellow);font-size:15px;margin-top:3px}.keyBtn.function{border-color:var(--orange)}.keyBtn.dominant{border-color:var(--green)}.keyBtn.minor{border-color:var(--purple)}.keyBtn.active{background:linear-gradient(#fff5a9,#e7c64f);color:#06101e;border-color:#fff7a6;box-shadow:0 0 13px #ffe36d}.keyBtn.active span{color:#06101e}
.workspace{padding:7px 10px 12px;display:grid;grid-template-columns:310px minmax(0,1fr);gap:9px;min-width:1060px}.lessonCard,.studio{border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#142947,#0b1729);box-shadow:0 10px 26px #0005}.lessonCard{padding:12px;min-height:700px}.eyebrow{font-size:9.5px;letter-spacing:3.5px;text-transform:uppercase;color:var(--blue);font-weight:950;margin:0 0 5px}.lessonCard h1{font-size:24px;line-height:1.04;margin:0 0 9px}.context{font-size:13px;line-height:1.35;color:#e2edff;margin:0 0 9px}.why{border-left:3px solid var(--yellow);border-radius:7px;background:#07101f;padding:8px 9px;font-size:12px;line-height:1.27;margin:0 0 13px}.why b{color:var(--yellow)}.pathLabel{font-size:10px;letter-spacing:3.5px;text-transform:uppercase;color:var(--blue);font-weight:950;margin-bottom:7px}.lessonPath{list-style:none;margin:0 0 12px;padding:0;counter-reset:path}.lessonPath li{counter-increment:path;display:grid;grid-template-columns:27px 1fr;gap:8px;align-items:center;border:1px solid #426a98;border-radius:10px;background:#07101f;padding:7px;margin-bottom:6px;font-size:12px;line-height:1.18;font-weight:900}.lessonPath li:before{content:counter(path);width:27px;height:27px;display:grid;place-items:center;border-radius:50%;border:1px solid #a5d3ff;background:#234d80;color:var(--yellow);font-weight:950}.listenFor{border:1px solid #4f7caf;border-radius:10px;background:#0a1729;padding:9px;font-size:12px;line-height:1.3;color:#e7f2ff}.listenFor b{display:block;color:var(--green);margin-bottom:4px}
.studio{padding:8px;min-width:0}.studioHeader{height:36px;display:flex;align-items:center;justify-content:space-between;gap:10px}.studioHeader h2{font-size:17px;margin:0;color:var(--yellow)}.transport{display:flex;gap:5px;justify-content:flex-end}.control,.miniBtn,.valueBtn,.modeBtn{border:1px solid #6f99c8;border-radius:999px;background:#10233d;color:#fff;padding:7px 10px;font-weight:950;cursor:pointer}.control.primary{background:#27643a;border-color:#79e589}.control.playing{background:#1e7b3e;box-shadow:0 0 13px #69e28288}
.metronomePane{height:66px;display:grid;grid-template-columns:190px minmax(170px,.9fr) 105px 115px 72px minmax(300px,1.45fr);gap:7px;align-items:center;border:1px solid #6e96c9;border-radius:11px;background:linear-gradient(180deg,#101f32,#07101f);padding:7px 9px;margin:3px 0 7px}.metroIdentity span,.metroControl>span,.metroBars span{display:block;color:var(--blue);font-size:8.5px;letter-spacing:1.3px;text-transform:uppercase;font-weight:950;margin-bottom:4px}.metroIdentity b{font-size:12px;color:#fff}.pulseLamp{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);margin-right:5px}.metroControl,.metroBars{min-width:0}.metroControl select{width:100%;border:1px solid #527ead;border-radius:7px;background:#10233d;color:#fff;padding:5px;font-size:11px;font-weight:900}.metroControl>div{display:flex;align-items:center;gap:5px}.metroControl input{min-width:75px;max-width:130px}.metroControl output{min-width:55px;color:var(--yellow);font-size:10px;font-weight:950}.metroBars b{display:block;color:var(--yellow);font-size:12px}.metronomePane.focus-tempo #tempoMetro,.metronomePane.focus-meter #meterMetro,.metronomePane.focus-sync #syncMetro{filter:drop-shadow(0 0 6px #ffe36daa)}.metronomePane.focus-tempo #tempoMetro>span,.metronomePane.focus-meter #meterMetro>span,.metronomePane.focus-sync #syncMetro>span{color:var(--yellow)}
.newConcept{min-height:63px;border:1px solid #547ca9;border-radius:11px;background:#07101f;padding:6px 8px;display:grid;grid-template-columns:145px minmax(170px,.62fr) minmax(0,1.65fr);gap:8px;align-items:center;margin:4px 0 7px}.newConcept>div:first-child span{display:block;color:var(--blue);font-size:8.5px;letter-spacing:1.4px;text-transform:uppercase;font-weight:950}.newConcept>div:first-child b{display:block;color:var(--yellow);font-size:15px;margin-top:3px}.newConcept>p{font-size:10.5px;line-height:1.25;color:#d7e6f7;margin:0}.lessonControls{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap;min-width:0}.controlBlock{min-width:112px}.controlBlock label{display:block;color:var(--blue);font-size:8px;text-transform:uppercase;letter-spacing:1px;font-weight:950;margin:0 0 3px}.controlBlock select{width:100%;border:1px solid #527ead;border-radius:6px;background:#10233d;color:#fff;padding:5px;font-weight:900;font-size:10.5px}.rangeLine{display:flex;align-items:center;gap:5px}.rangeLine input{min-width:75px;max-width:135px}.rangeLine output{min-width:45px;text-align:right;color:var(--yellow);font-size:9.5px;font-weight:950}.valueBtn,.modeBtn,.miniBtn{font-size:9.5px;padding:6px 9px}.valueBtn.active,.modeBtn.active,.miniBtn.active{border-color:var(--yellow);background:#3b3212;color:var(--yellow)}.modeBtn.warn{border-color:var(--orange)}.modeBtn.rest{border-color:#8297ad}.modeBtn.green{border-color:var(--green)}
.arpPane{width:100%;display:grid;grid-template-columns:128px minmax(0,1fr);gap:7px;align-items:center;background:#0d0f11;border:1px solid #333;border-radius:7px;padding:5px 7px}.arpHeader{display:flex;align-items:center;justify-content:center;min-height:36px;background:#174c31;color:#2ff29a;border-radius:4px;font-weight:950;font-size:12px}.arpHeader i{font-style:normal;color:#fff;margin-left:8px}.arpFields{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}.arpFields .controlBlock{min-width:100px}.arpFields .controlBlock label{color:#aeb8bf}.arpFields .controlBlock select{background:#111;color:#eee;border-color:#3c4145}.arpSummary{color:#c6ced3;font-size:10px;white-space:nowrap}.arpDetails{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.arpDetails details{border:1px solid #39434b;border-radius:6px;background:#0d0f11;padding:5px}.arpDetails summary{cursor:pointer;color:var(--blue);font-weight:950;font-size:10px}.arpDetails .detailBody{display:flex;gap:5px;flex-wrap:wrap;padding-top:5px}
.readoutRow{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:7px}.readout{border:1px solid #416895;border-radius:9px;background:#07101f;padding:5px 7px;text-align:center}.readout span{display:block;color:var(--blue);font-size:8.5px;text-transform:uppercase;letter-spacing:1px;font-weight:950}.readout b{display:block;color:var(--yellow);font-size:14px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.timelineWrap{border:1px solid #6e96c9;border-radius:11px;background:#07101f;padding:7px;margin-bottom:7px}.timelineHeader{height:21px;display:flex;justify-content:space-between;color:var(--blue);font-size:9px;letter-spacing:1.5px;font-weight:950}.timeline{height:250px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;overflow:hidden}.bar{min-width:0;border:1px solid #426a98;border-radius:8px;background:#0b182b;display:flex;flex-direction:column;position:relative;overflow:hidden}.barHead{height:25px;display:flex;align-items:center;justify-content:space-between;padding:0 6px;background:#102744;color:#dcecff;font-size:9px;font-weight:950}.barHead b{color:var(--yellow)}.beatDots{display:flex;gap:4px;align-items:center}.beatDot{width:10px;height:10px;border-radius:50%;background:#69e282;opacity:.68}.beatDot.down{height:18px;width:3px;border-radius:0;background:var(--yellow);opacity:1}.eventLane{flex:1;display:flex;align-items:stretch;position:relative}.event{min-width:2px;border:0;border-right:1px solid #294b75;background:#15335a;color:#dcecff;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;overflow:hidden;font-size:9px;font-weight:950;transition:filter .1s,box-shadow .1s}.event:nth-child(even){background:#102b4c}.event.accent{background:linear-gradient(180deg,#806514,#d7a81f);color:#08111e}.event.rest{background:repeating-linear-gradient(135deg,#08111e,#08111e 5px,#17243a 5px,#17243a 10px);color:#71849b}.event.selected{box-shadow:inset 0 0 0 2px #fff;z-index:3}.event.playing{filter:brightness(1.55);box-shadow:inset 0 0 0 3px var(--green),0 0 18px var(--green);z-index:4}.event .value{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap}.event .gateFill{position:absolute;left:0;right:0;bottom:0;background:#77e58a88;height:var(--gate);pointer-events:none}.event .noteTag{position:absolute;top:5px;left:50%;transform:translateX(-50%);writing-mode:horizontal-tb;background:#07101f;color:#fff;border-radius:8px;padding:2px 5px;font-size:9px}.playhead{position:absolute;top:25px;bottom:0;width:3px;background:#fff;box-shadow:0 0 10px #fff,0 0 18px var(--green);z-index:8;pointer-events:none;left:var(--progress)}.bar.current{border-color:var(--yellow);box-shadow:0 0 12px #ffe36d66}
.demonstration{height:83px;display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:7px}.demoMessage,.chordDisplay,.statusBox{border:1px solid #426a98;border-radius:9px;background:#07101f;padding:7px;min-width:0}.demoMessage b,.statusBox b{display:block;color:var(--yellow);font-size:13px}.demoMessage span{display:block;color:#c8d8eb;font-size:10px;margin-top:4px}.toneRow{display:flex;align-items:center;justify-content:center;gap:7px;height:40px}.tone{width:37px;height:37px;border-radius:50%;border:2px solid #fff;background:var(--yellow);color:#06101e;font-weight:950;display:grid;place-items:center;box-shadow:0 0 9px #ffe36d66;position:relative}.tone.muted{background:#17243a;color:#71849b;border-color:#52657c;box-shadow:none}.tone.activeNow{box-shadow:0 0 0 3px var(--green),0 0 20px var(--green)}.tone small{position:absolute;top:-8px;right:-7px;background:#234d80;color:#fff;border-radius:8px;padding:1px 4px;font-size:8px}.statusBox b{color:var(--green);line-height:1.25}
.overlay{position:fixed;inset:0;z-index:300;background:#020712e8;display:none;align-items:flex-start;justify-content:center;padding:14px}.overlay.open{display:flex}.menuPanel{width:min(1180px,96vw);max-height:95vh;overflow:auto;background:#102440;border:1px solid #7799c0;border-radius:15px;padding:14px;box-shadow:0 20px 60px #000}.menuHead{display:flex;justify-content:space-between;align-items:flex-start}.menuHead h2{font-size:27px;color:#9dccff;margin:0}.menuHead p{margin:4px 0 10px}.menuHead button{border:1px solid #ff6a58;border-radius:999px;background:#41120e;color:#fff;padding:9px 15px;font-weight:950}.beginPrompt{border-left:4px solid var(--yellow);background:#07101f;padding:8px 10px;border-radius:7px;margin-bottom:9px;color:#dcecff}.beginPrompt b{color:var(--yellow)}.menuGroups{display:grid;grid-template-columns:1fr;gap:9px}.menuStart{display:grid}.menuStageTabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.menuStageTab{border:1px solid #426a98;border-radius:10px;background:#07101f;color:#fff;padding:9px;text-align:left;cursor:pointer}.menuStageTab b,.menuStageTab span{display:block}.menuStageTab b{color:var(--blue);font-size:13px}.menuStageTab span{margin-top:3px;color:#c8d8eb;font-size:10px}.menuStageTab.active{border-color:var(--yellow);background:#17345b;box-shadow:inset 0 0 0 1px #ffe36d55}.menuGroup{border:1px solid #557da9;border-radius:12px;padding:9px;background:#0a1729}.menuGroup h3{margin:0;color:var(--blue);font-size:16px}.menuStageLessons>header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:5px}.menuStageLessons>header p{margin:3px 0 0;color:#c8d8eb;font-size:11px}.menuSectionIntro{border:1px solid var(--yellow);border-radius:999px;background:#493b0c;color:#fff;padding:8px 12px;font-weight:900;cursor:pointer}.menuLessonList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.menuLesson{width:100%;border:1px solid #426a98;border-radius:9px;background:#07101f;color:#fff;padding:7px 9px;text-align:left;cursor:pointer;margin:0;text-decoration:none}.menuLesson b{display:block;color:var(--yellow);font-size:13px}.menuLesson span{display:block;color:#c8d8eb;font-size:10px;margin-top:2px}.menuLesson.active{box-shadow:0 0 0 2px var(--yellow)}@media(max-width:850px){.menuStageTabs{grid-template-columns:repeat(2,minmax(0,1fr))}.menuLessonList{grid-template-columns:1fr}}
@media(max-width:1450px){.app{grid-template-columns:245px minmax(0,1fr)}.workspace{grid-template-columns:285px minmax(0,1fr);min-width:1000px}.lessonCard h1{font-size:21px}.newConcept{grid-template-columns:130px minmax(150px,.58fr) minmax(0,1.65fr)}.metronomePane{grid-template-columns:155px minmax(150px,.8fr) 90px 100px 62px minmax(270px,1.3fr)}.timeline{height:225px}.keyBtn b{font-size:16px}.keyBtn span{font-size:13px}}
@media(max-height:900px){body{overflow:auto}.app{height:auto;min-height:100vh}.main{overflow:visible}.top{position:relative}.lessonCard{min-height:650px}.timeline{height:210px}}

/* B077HU progressive disclosure and live event feedback */
@keyframes conceptPulse{0%,100%{box-shadow:0 0 0 1px #ffe36d44,0 0 5px #ffe36d22}50%{box-shadow:0 0 0 2px #ffe36dcc,0 0 17px #ffe36d77}}
.newConcept{animation:conceptPulse 1.45s ease-in-out infinite}.metronomePane.focus-tempo #tempoMetro,.metronomePane.focus-meter #meterMetro,.metronomePane.focus-sync #syncMetro{animation:conceptPulse 1.45s ease-in-out infinite}
.metroMute{display:block;margin-top:4px;padding:3px 8px;border:1px solid #6e96c9;border-radius:999px;background:#10233d;color:#fff;font-size:8.5px;font-weight:950;cursor:pointer}.metroMute.muted{color:#9eb0c5;border-color:#52657c;background:#07101f}
.event .gateFill{top:0;right:auto;width:var(--gate);height:auto;opacity:var(--volume)}.event.volume-low{filter:saturate(.65) brightness(.72)}
.controlLocked{min-width:100px;border:1px solid #34465c;border-radius:7px;background:#08111e;color:#71849b;padding:6px 8px;font-size:9px;font-weight:900;cursor:not-allowed}.arpHistory{display:flex;gap:5px;align-items:center;flex-wrap:wrap;margin-right:auto}.arpHistory span{border:1px solid #35506e;border-radius:6px;background:#09131f;color:#71849b;padding:4px 6px;font-size:8px;font-weight:900}.arpHistory span.available{color:#d8e7f8;border-color:#4e739d}.arpHistory span.current{color:var(--yellow);border-color:var(--yellow);animation:conceptPulse 1.45s ease-in-out infinite}
.metroControl select:disabled,.metroControl input:disabled{opacity:.27;filter:grayscale(1);cursor:not-allowed}.metroControl:has(select:disabled)>span,.metroControl:has(input:disabled)>span{color:#65778c}.arpPane .controlBlock,.arpPane .modeBtn{animation:conceptPulse 1.45s ease-in-out infinite}.arpHistory~.controlBlock,.arpHistory~.modeBtn{animation:conceptPulse 1.45s ease-in-out infinite}

/* B077HV guided-demonstration shell */
.keySection{padding-bottom:5px}.keyBtn{height:43px}.degreeStrip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px;margin-top:5px}.degreeBtn{height:38px;border:1px solid #4d7097;border-radius:8px;background:#07101f;color:#dcecff;font-weight:950;cursor:pointer;line-height:1}.degreeBtn b{display:block;color:var(--blue);font-size:10px}.degreeBtn span{display:block;font-size:13px;margin-top:3px}.degreeBtn.iv{border-color:var(--orange)}.degreeBtn.v{border-color:var(--green)}.degreeBtn.vi{border-color:var(--purple)}.degreeBtn.active{border-color:var(--yellow);box-shadow:0 0 11px #ffe36d77;background:#3b3212}.degreeBtn:disabled{opacity:.58;cursor:default}
.studio{display:flex;flex-direction:column}.studioHeader{order:1}.newConcept{order:2}.metronomePane{order:3}.readoutRow{order:4}.timelineWrap{order:5}.demonstration{order:6}.metronomePane{margin-top:0;margin-bottom:7px}
.event.future-event{background:#091525!important;color:transparent;box-shadow:inset 0 0 0 1px #294561;filter:none}.event.future-event .gateFill,.event.future-event .noteTag,.event.future-event .value{visibility:hidden}.event.just-built{animation:builtPulse 1.15s ease-out}@keyframes builtPulse{0%{box-shadow:inset 0 0 0 3px var(--yellow),0 0 18px var(--yellow);filter:brightness(1.65)}100%{box-shadow:none;filter:none}}
.beatDot.secondary{background:var(--orange);opacity:1;box-shadow:0 0 7px var(--orange)}
.guidedArp{width:100%;background:#0d0f11;border:1px solid #3b4650;border-radius:8px;padding:5px;display:grid;gap:5px}.arpMainRow,.arpDetailRow,.transposeRow{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.arpMainRow{border-bottom:1px solid #39434b;padding-bottom:5px}.arpBadge{min-width:78px;padding:8px;border-radius:4px;background:#174c31;color:#2ff29a;font-weight:950;text-align:center}.guidedArp .controlBlock{min-width:94px}.guidedArp .controlBlock label{color:#aeb8bf}.guidedArp .controlBlock select{background:#111;border-color:#3c4145}.guidedArp .rangeLine input{max-width:95px}.currentControl{animation:conceptPulse 1.45s ease-in-out infinite!important;border-radius:7px}.previousLabel{color:#8ca0b5;font-size:8px;font-weight:900;text-transform:uppercase;letter-spacing:1px}.noteEditor{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.parameterLink{margin-left:auto;color:var(--green);font-size:9px;font-weight:900}
.optionReveal{display:flex;gap:6px;flex-wrap:wrap;padding:7px 9px;margin-top:5px;border:1px solid #46709e;border-radius:10px;background:#071321}.optionReveal span{padding:5px 9px;border:1px solid #3f6188;border-radius:7px;color:#cfe0f7;font-size:12px;font-weight:800}.optionReveal span.selected{border-color:#ffe56d;background:#3d3514;color:#fff19a;box-shadow:0 0 12px #ffe56d55}.silent-event{filter:saturate(.25);opacity:.58}

/* B077HW fixed lesson geometry, single-authority dropdowns and separate metronome */
.studioHeader{flex:0 0 36px}.newConcept{height:206px;min-height:206px;max-height:206px;overflow:hidden}.metronomePane{flex:0 0 66px}.readoutRow{flex:0 0 44px}.visualMetronomeWrap{order:5;flex:0 0 61px;height:61px;border:1px solid #6e96c9;border-radius:11px;background:#07101f;padding:5px 7px;margin-bottom:6px}.timelineWrap{order:6;flex:1 1 170px;min-height:150px}.demonstration{order:7;flex:0 0 76px;height:76px}.visualMetronomeHeader{height:16px;display:flex;justify-content:space-between;color:var(--blue);font-size:8px;letter-spacing:1.2px;font-weight:950}.visualMetronome{height:34px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;position:relative;overflow:hidden}.metroBar{border:1px solid #355b86;border-radius:6px;background:#0c1d34;display:grid;grid-template-columns:43px 1fr;align-items:center;padding:3px 6px}.metroBar>b{font-size:8px;color:var(--yellow)}.metroBeats{display:flex;align-items:center;justify-content:space-around}.metroBeat{width:8px;height:8px;border-radius:50%;background:#68d981;opacity:.6;transition:transform .08s,filter .08s}.metroBeat.down{width:3px;height:23px;border-radius:0;background:var(--yellow);opacity:1}.metroBeat.secondary{background:var(--orange);opacity:1;box-shadow:0 0 6px var(--orange)}.metroBeat.active{transform:scale(1.55);filter:brightness(1.6);box-shadow:0 0 9px var(--green)}.metroScroll{position:absolute;top:0;bottom:0;left:var(--progress);width:2px;background:#fff;box-shadow:0 0 8px #fff,0 0 13px var(--green);z-index:4;pointer-events:none}
.timeline{height:100%;min-height:120px}.barHead{color:#7290b2;font-size:8px}.barHead span{letter-spacing:.7px}.beatDots{display:none}.guidedArp{width:100%;height:190px;overflow:hidden;background:#0d0f11;border:1px solid #3b4650;border-radius:8px;padding:5px;display:grid;grid-template-rows:42px 42px 38px 38px;gap:4px}.arpMainRow,.arpDetailRow,.transposeRow{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;min-width:0;overflow:hidden}.guidedArp .controlBlock{flex:0 0 108px;min-width:0}.guidedArp .rangeLine input{width:86px}.guidedArp .parameterLink{margin-left:auto;white-space:nowrap}.lockedControl{opacity:.3;filter:grayscale(1);cursor:not-allowed}.lockedRange{height:25px;border:1px solid #3c4145;border-radius:6px;background:#111;color:#73808c;padding:6px;font-size:9px}.lockedRow{justify-content:center;color:#647589;border:1px dashed #30445a;border-radius:6px;font-size:9px;font-weight:900}.optionReveal{display:none!important}
@media(max-width:1450px){.newConcept{height:200px;min-height:200px;max-height:200px}.guidedArp{height:184px}.guidedArp .controlBlock{flex-basis:94px}.guidedArp .parameterLink{display:none}.visualMetronomeWrap{flex-basis:56px;height:56px}.visualMetronome{height:29px}.demonstration{flex-basis:70px;height:70px}}
@media(max-height:900px){body{overflow:hidden}.app{height:100vh}.main{overflow:hidden}.top{position:sticky}.workspace{height:calc(100vh - 227px);padding-bottom:6px}.lessonCard{min-height:0;height:100%}.studio{height:100%}.studioHeader{flex-basis:31px;height:31px}.newConcept{height:180px;min-height:180px;max-height:180px}.guidedArp{height:164px;grid-template-rows:36px 36px 34px 34px}.metronomePane{height:58px;flex-basis:58px}.readoutRow{flex-basis:39px}.visualMetronomeWrap{height:52px;flex-basis:52px}.visualMetronome{height:26px}.timelineWrap{min-height:110px}.demonstration{height:62px;flex-basis:62px}}

/* B077HX cumulative lesson controls and common timing origin */
.metroBar{position:relative!important;display:block!important;padding:3px 0!important}.metroBar>b{position:absolute;left:7px;top:5px;z-index:2;pointer-events:none}.metroBeats{position:absolute;inset:0;display:grid!important;grid-template-columns:repeat(4,1fr);align-items:center;justify-content:initial!important}.metroBar:has(.metroBeat:nth-child(3):last-child) .metroBeats{grid-template-columns:repeat(3,1fr)}.metroBar:has(.metroBeat:nth-child(6):last-child) .metroBeats{grid-template-columns:repeat(6,1fr)}.metroBeat{justify-self:start;transform:translateX(-50%);color:#fff;font-size:7px;font-weight:900;text-align:center;line-height:8px}.metroBeat:first-child{transform:none}.metroBeat.emphasised{width:5px;box-shadow:0 0 9px var(--yellow)}
.lessonToolRow{display:flex;align-items:center;gap:8px;padding:5px 8px;border-top:1px solid #34577d;min-height:38px}.noteEditorLauncher{justify-content:flex-start}.newConcept,.guidedArp{position:relative}.noteEditorPopup{position:absolute;z-index:30;left:2%;right:2%;top:42px;min-height:96px;background:#09111d;border:2px solid var(--yellow);border-radius:10px;box-shadow:0 12px 35px #000;padding:10px 34px 10px 10px;flex-wrap:wrap}.popupClose{position:absolute;right:7px;top:5px;border:0;background:transparent;color:#fff;font-size:24px;cursor:pointer}

/* B077HY: one progressive Arp surface and one authoritative event display */
.newConcept{height:164px;min-height:164px;max-height:164px;animation:none;overflow:hidden}.guidedArp{height:148px;grid-template-rows:none;align-content:start;overflow:hidden}.arpMainRow,.arpDetailRow,.transposeRow{min-height:32px;overflow:visible}.currentControl{animation:conceptPulse 1.45s ease-in-out infinite!important}.noteEditorPanel{border:1px solid #47719f;border-radius:7px;padding:5px;background:#080d13;display:grid;grid-template-columns:auto minmax(0,1fr);gap:7px;align-items:center}.noteTabs{display:flex;gap:4px}.noteParameters{display:flex;gap:5px;align-items:end;min-width:0}.noteParameters .controlBlock{flex:0 1 108px}.noteParameters .rangeLine input{width:72px}.noteEditorLauncher{min-height:29px}.parameterLink{font-size:8px}.lessonToolRow{min-height:31px;padding:3px 6px}
.dropdownCoach{position:absolute;z-index:12;top:39px;left:92px;display:grid;background:#111;border:1px solid #72849a;box-shadow:0 10px 24px #000;border-radius:6px;min-width:160px}.dropdownCoach span{padding:5px 9px;font-size:9px;color:#eef4fb}.dropdownCoach span.selected{background:#666;color:#fff}
.eventLane{align-items:flex-end}.event{height:var(--height);min-height:18%;align-self:flex-end;background:#31598f}.event.tone-0{background:#3d659d}.event.tone-1{background:#4f9270}.event.tone-2{background:#bd863a}.event.tone-3{background:#805dac}.event.accent{filter:brightness(1.28);box-shadow:inset 0 0 0 2px var(--yellow)}.event .gateFill{opacity:.42;background:#8cf0a3}.event.silent-event{height:24%;background:repeating-linear-gradient(135deg,#08111e,#08111e 5px,#26364a 5px,#26364a 10px)}
.metroBar>b{left:5px;top:2px;font-size:7px}.metroBeats{inset:0}.metroBeat:first-child{justify-self:start}.metroScroll{left:var(--progress)}
@media(max-width:1450px){.newConcept{height:158px;min-height:158px;max-height:158px}.guidedArp{height:142px}.noteParameters .controlBlock{flex-basis:90px}}
@media(max-height:900px){.workspace{height:calc(100vh - 184px)}.newConcept{height:148px;min-height:148px;max-height:148px}.guidedArp{height:132px}.visualMetronomeWrap{height:49px;flex-basis:49px}.timelineWrap{min-height:95px}.demonstration{height:55px;flex-basis:55px}}

/* B077HZ: authoritative note configuration popup and contained parameter values */
.rangeLine{display:grid!important;grid-template-columns:minmax(52px,1fr) 39px;align-items:center;gap:4px;border:1px solid #3f5267;border-radius:7px;padding:3px 5px;min-width:0}.rangeLine input{width:100%!important;min-width:0!important;max-width:none!important}.rangeLine output{min-width:0!important;text-align:right;color:var(--yellow);font-size:9px;font-weight:950;white-space:nowrap}.controlBlock{position:relative}
.dropdownCoach{position:absolute!important;z-index:80!important;top:100%!important;left:0!important;min-width:180px!important;max-height:210px;overflow:hidden}.dropdownCoach span{white-space:nowrap}
.newConcept:has(.noteConfigPopup),.guidedArp:has(.noteConfigPopup){overflow:visible!important;z-index:65}.noteConfigPopup{position:absolute;z-index:70;left:4px;right:4px;top:4px;height:292px;background:#0b0f14;border:2px solid var(--yellow);border-radius:10px;box-shadow:0 14px 36px #000;display:flex;flex-direction:column;overflow:hidden;color:#fff}
.noteConfigPopup>header{height:28px;display:grid;grid-template-columns:1fr 130px 70px;align-items:center;gap:8px;padding:3px 8px;background:#dfe2e4;color:#17202b;font-size:10px}.noteConfigPopup>header span{background:#111;color:#fff;border-radius:4px;padding:3px 8px;text-align:center}.noteConfigPopup>header button{border:1px solid #111;border-radius:4px;background:#555;color:#fff;font-weight:900;text-transform:uppercase;font-size:9px}
.noteConfigRows{overflow:auto;max-height:115px;border-bottom:1px solid #39434b}.noteConfigRow{display:grid;grid-template-columns:82px 80px 92px 48px minmax(125px,1fr) minmax(125px,1fr) 58px 42px;gap:5px;align-items:end;padding:4px 7px;border-bottom:1px solid #303840}.noteConfigRow.selected{background:#162131}.notePosition{height:30px;border:1px solid #6f99c8;border-radius:8px;background:#101925;color:#fff;font-weight:950}.notePosition.active{border-color:var(--yellow);background:#463b12;color:var(--yellow)}.noteConfigRow .controlBlock,.noteConfigRow .rangeControl{min-width:0}.noteConfigRow label{font-size:7px}.noteEnabled{display:flex;align-items:center;gap:3px;height:28px;font-size:9px;font-weight:900}
.advancedSteps{min-height:54px;max-height:82px;overflow:auto;padding:4px 7px;background:#080d13}.stepActions{display:flex;align-items:center;gap:5px;position:sticky;top:0;background:#080d13;z-index:2}.subStepRow{display:grid;grid-template-columns:55px 150px 95px minmax(125px,1fr) minmax(125px,1fr) 60px;gap:5px;align-items:end;padding:3px;border-top:1px solid #303840}.subStepRow.selected{background:#14233a}.subStepRow .controlBlock{min-width:0}.subStepRow>b{align-self:center;color:var(--yellow)}
.noteConfigPopup .currentControl{animation:conceptPulse 1.45s ease-in-out infinite!important}.noteConfigPopup .dropdownCoach{top:100%!important;z-index:100!important}
@media(max-width:1450px){.noteConfigRow{grid-template-columns:72px 68px 78px 42px minmax(105px,1fr) minmax(105px,1fr) 48px 38px}.subStepRow{grid-template-columns:48px 125px 82px minmax(105px,1fr) minmax(105px,1fr) 55px}}
.noteConfigRows{max-height:168px!important}

/* B077IA — configuration-driven construction and per-note Step editor */
.timelineRemainder{display:block;min-width:0;background:transparent;pointer-events:none}
.noteConfigPopup{height:auto;min-height:292px;max-height:min(650px,72vh)}
.noteConfigRows{max-height:min(590px,calc(72vh - 34px))!important;overflow:auto;border-bottom:0}
.noteConfigGroup{border-bottom:1px solid #39434b;background:#080d13}.noteConfigGroup.selected{background:#111c2b}
.noteConfigRow{grid-template-columns:18px 82px 32px 118px 72px 84px 45px minmax(112px,1fr) minmax(112px,1fr) 55px 40px;align-items:end;min-width:900px}
.noteAddedSteps:empty{display:none}.noteAddedSteps{margin:0 8px 5px 48px;border-left:2px solid #5f8dcc;background:#0e1723}
.subStepRow{grid-template-columns:18px 58px 132px 90px minmax(115px,1fr) minmax(115px,1fr) 58px 34px;min-width:700px;padding:5px 7px;align-items:end}
.addNoteStep,.removeNoteStep{height:29px;font-size:18px;padding:0}.playbackBubble{align-self:center;justify-self:center;width:9px;height:9px;border-radius:50%;background:#314256;border:1px solid #6b85a5;transition:.14s}.playbackBubble.active{background:#65ee85;border-color:#fff;box-shadow:0 0 0 4px #48d96c33,0 0 12px #65ee85}.sequenceActive{background:#173326!important;box-shadow:inset 3px 0 #65ee85}
.rangeControl .rangeLine{min-width:0;display:grid;grid-template-columns:minmax(70px,1fr) 42px;align-items:center;gap:4px}.rangeControl output{position:static!important;max-width:42px;overflow:hidden;text-align:right}.rangeControl input{min-width:0;width:100%}
@media(max-width:1450px){.noteConfigRow{grid-template-columns:16px 68px 28px 102px 62px 72px 40px 105px 105px 48px 36px;min-width:790px}.subStepRow{grid-template-columns:16px 48px 112px 78px 105px 105px 50px 30px;min-width:650px}}

/* B077IB: the note editor floats independently so transport remains reachable. */
.noteConfigPopup{position:fixed!important;z-index:250!important;left:auto;right:18px;top:auto;bottom:18px;width:min(1120px,calc(100vw - 330px));min-height:260px;max-height:45vh!important;height:auto!important;resize:both;overflow:hidden}
.noteConfigPopup>header{cursor:move;touch-action:none;user-select:none;flex:0 0 32px}
.noteConfigRows{max-height:none!important;flex:1 1 auto;overflow:auto!important}
.noteConfigRow{grid-template-columns:18px 62px 82px 32px 118px 72px 84px 45px minmax(112px,1fr) minmax(112px,1fr) 55px 40px;min-width:970px}

/* B077IF: persistent order reservations and an unmistakable transpose state. */
.orderControl select option:disabled{color:#68788b;background:#090d12}.transposeToggle{min-width:112px!important;border-width:2px!important;letter-spacing:.25px}.transposeToggle.off{color:#d8e1eb!important;background:#202a35!important;border-color:#8293a5!important;box-shadow:inset 0 0 0 1px #101820}.transposeToggle.on{color:#effff2!important;background:#19743b!important;border-color:#7df09a!important;box-shadow:0 0 12px #5bea7a88,inset 0 0 0 1px #b8ffc9}.transposeToggle.currentControl{animation:conceptPulse 1.45s ease-in-out infinite!important}
.subStepRow{grid-template-columns:18px 58px 132px 90px minmax(125px,1fr) minmax(125px,1fr) 34px;min-width:690px}
.noteChain{height:30px;display:flex;align-items:center;justify-content:center;gap:4px;border:1px solid #52769f;border-radius:8px;color:#dbe8f7!important;font-size:8px!important;font-weight:900;background:#101925}
.noteChain input{accent-color:#39ce78}
.noteChain.active{background:#163e25;border-color:#79ed9a;color:#effff3!important;box-shadow:0 0 10px #54e77a66,inset 0 0 0 1px #9affb455}
.noteConfigPopup output{display:inline-block;min-width:38px;text-align:right;overflow:hidden}
.event.mute,.event.rest{background:#263247!important;color:#aab8c9!important}
.event.continues{border-right:0;border-radius:0}.event.continuation{border-left:0;border-radius:0}.event.continuation .value{opacity:.78}

/* Keep each chord tone's colour visible through its Gate; Volume controls height and fill strength. */
.event.tone-0 .gateFill{background:#83b9f5}
.event.tone-1 .gateFill{background:#8ce0af}
.event.tone-2 .gateFill{background:#f2bd69}
.event.tone-3 .gateFill{background:#c2a1ee}
.event .gateFill{opacity:calc(.55 * var(--volume, 1))}
.event .noteTag,.event .value{z-index:1}
@media(max-width:1450px){.noteConfigPopup{width:min(1040px,calc(100vw - 310px))}.noteConfigRow{grid-template-columns:16px 54px 68px 28px 102px 62px 72px 40px 105px 105px 48px 36px;min-width:860px}.subStepRow{grid-template-columns:16px 48px 112px 78px 110px 110px 30px;min-width:630px}}

/* B077IC: one clear state model per Step and fully contained percentages. */
.rangeControl .rangeLine{grid-template-columns:minmax(48px,1fr) 46px!important;padding-right:6px!important;overflow:hidden}
.rangeControl output,.noteConfigPopup output{display:block!important;width:46px!important;min-width:46px!important;max-width:46px!important;box-sizing:border-box;overflow:hidden!important;text-align:right!important}
.noteConfigRow{grid-template-columns:18px 82px 32px 118px 72px 42px 50px 50px minmax(130px,1fr) minmax(130px,1fr);min-width:910px}
.noteConfigRow:has(.noteChain){grid-template-columns:18px 62px 82px 32px 118px 72px 42px 50px 50px minmax(130px,1fr) minmax(130px,1fr);min-width:970px}
.subStepRow{grid-template-columns:18px 58px 132px 42px 50px 50px minmax(130px,1fr) minmax(130px,1fr) 34px;min-width:760px}
.restStep.active{background:#4b3d0d!important;border-color:#ffe36a!important;color:#ffe36a!important;box-shadow:0 0 12px #ffe36a66,inset 0 0 0 1px #ffe36a55}
.noteEnabled{justify-content:center;border:1px solid #52769f;border-radius:8px;background:#101925;padding:0 4px}
.noteEnabled input{accent-color:#347ff0}
@media(max-width:1450px){.noteConfigRow{grid-template-columns:16px 68px 28px 102px 62px 38px 44px 44px 112px 112px;min-width:800px}.noteConfigRow:has(.noteChain){grid-template-columns:16px 54px 68px 28px 102px 62px 38px 44px 44px 112px 112px;min-width:860px}.subStepRow{grid-template-columns:16px 48px 112px 38px 44px 44px 112px 112px 30px;min-width:680px}}
.degreeBtn.pendingChord{outline:2px solid var(--yellow);animation:conceptPulse 1.1s ease-in-out infinite;position:relative}.degreeBtn.pendingChord small{position:absolute;right:4px;top:3px;color:var(--yellow);font-size:6px;letter-spacing:.7px}.syncCoach{display:none;position:absolute;z-index:80;top:100%;left:0;right:0;background:#07101f;border:1px solid var(--yellow);border-radius:7px;box-shadow:0 8px 22px #000b;padding:3px}.syncCoach[hidden]{display:none!important}.syncCoach.open{display:grid}.syncCoach b{padding:4px 6px;color:#fff;font-size:10px}.syncCoach b:first-child{background:#3f3513;color:var(--yellow)}#syncMetro{position:relative}

/* B077IU: restore full Gate/Volume tracks inside the floating note editor. */
.noteConfigPopup .rangeControl{min-width:164px!important;width:100%}
.noteConfigPopup .rangeControl .rangeLine{grid-template-columns:minmax(96px,1fr) 46px!important;width:100%;box-sizing:border-box}
.noteConfigRow{grid-template-columns:18px 82px 32px 118px 72px 42px 50px 50px minmax(164px,1fr) minmax(164px,1fr);min-width:978px}
.noteConfigRow:has(.noteChain){grid-template-columns:18px 62px 82px 32px 118px 72px 42px 50px 50px minmax(164px,1fr) minmax(164px,1fr);min-width:1038px}
.subStepRow{grid-template-columns:18px 58px 132px 42px 50px 50px minmax(164px,1fr) minmax(164px,1fr) 34px;min-width:828px}
@media(max-width:1450px){.noteConfigRow{grid-template-columns:16px 68px 28px 102px 62px 38px 44px 44px 148px 148px;min-width:872px}.noteConfigRow:has(.noteChain){grid-template-columns:16px 54px 68px 28px 102px 62px 38px 44px 44px 148px 148px;min-width:932px}.subStepRow{grid-template-columns:16px 48px 112px 38px 44px 44px 148px 148px 30px;min-width:752px}.noteConfigPopup .rangeControl{min-width:148px!important}.noteConfigPopup .rangeControl .rangeLine{grid-template-columns:minmax(80px,1fr) 46px!important}}

/* B077IF: brief lesson-entry focus without changing the fixed layout. */
.metronomePane.focus-metronome{border-color:var(--yellow);animation:conceptPulse .8s ease-in-out 3}
.lessonCard .why{border:1px solid var(--yellow);border-left:4px solid var(--yellow);box-shadow:0 0 12px #ffe36d1f}.lessonCard .why b{display:block;color:var(--yellow);font-size:9px;letter-spacing:1.8px;text-transform:uppercase;margin-bottom:5px}.lessonCard .why span{display:block;color:#edf5ff;font-weight:650}

/* B077IZ: one-topic progressive disclosure across Start Composing with ChordWalk. */
[hidden]{display:none!important}
.introMenuLesson{display:block;box-sizing:border-box;text-decoration:none}
.metronomePane{display:flex;gap:8px}.metroIdentity{flex:0 0 190px}.metroControl{flex:0 1 170px}.metroControl#meterMetro{flex-basis:105px}.metroControl#syncMetro{flex-basis:120px}.metroBars{flex:0 0 72px}.metronomePane .transport{margin-left:auto;flex:0 0 auto}.metronomePane.transportOnly{height:50px;flex-basis:50px;justify-content:flex-end;padding-block:5px}
.focusRow{width:100%;min-height:78px;justify-content:center!important;gap:12px!important}.focusRow .controlBlock{flex:0 0 min(260px,32%)}.focusRow .parameterLink{margin-left:10px;font-size:11px}.focusSummary{width:100%;display:grid;place-items:center;min-height:78px;color:#cfe1f5;font-weight:800;text-align:center}
body[data-key-visibility="key"] .keySection{padding-bottom:7px}body[data-key-visibility="key"] .keyStrip{margin-top:2px}
.demonstration:has(>div[hidden]:nth-child(2)):has(>div[hidden]:nth-child(3)) .demoMessage{text-align:center;display:flex;flex-direction:column;justify-content:center}.readoutRow .readout{min-width:0}
.noteEditor-order .noteConfigRow{grid-template-columns:18px 110px 118px 72px 70px 70px;min-width:560px}.noteEditor-order{width:min(760px,calc(100vw - 330px))!important}
.noteEditor-dynamics .noteConfigRow{grid-template-columns:18px 110px minmax(180px,1fr) minmax(180px,1fr);min-width:570px}.noteEditor-dynamics{width:min(820px,calc(100vw - 330px))!important}
.noteEditor-steps .noteConfigRow{grid-template-columns:18px 110px 42px minmax(180px,1fr);min-width:430px}.noteEditor-steps .subStepRow{grid-template-columns:18px 70px minmax(180px,1fr) 34px;min-width:380px}.noteEditor-steps{width:min(760px,calc(100vw - 330px))!important}
.noteEditor-chain .noteConfigRow{grid-template-columns:18px 82px 110px;min-width:270px}.noteEditor-chain .subStepRow{grid-template-columns:18px 70px;min-width:120px}.noteEditor-chain{width:min(620px,calc(100vw - 330px))!important}
.noteEditor-order,.noteEditor-dynamics,.noteEditor-steps,.noteEditor-chain{min-height:220px}.noteEditor-order .noteConfigRows,.noteEditor-dynamics .noteConfigRows,.noteEditor-steps .noteConfigRows,.noteEditor-chain .noteConfigRows{min-width:0}
@media(max-width:1450px){.metroIdentity{flex-basis:155px}.metroControl{flex-basis:145px}.focusRow .controlBlock{flex-basis:min(230px,38%)}}
@media(max-height:900px){body[data-key-visibility="none"] .workspace{height:calc(100vh - 75px)}body[data-key-visibility="key"] .workspace{height:calc(100vh - 132px)}.metronomePane.transportOnly{height:46px;flex-basis:46px}.focusRow{min-height:66px}}

/* B077VG — allow every Individual Notes advisor to show its complete label. */
.noteConfigPopup>#noteEditorHandle{
  height:auto!important;
  min-height:43px!important;
  flex:0 0 auto!important;
  grid-template-columns:minmax(70px,1fr) minmax(160px,max-content) 72px!important;
  gap:8px!important;
  padding:5px 8px!important;
}
.noteConfigPopup>#noteEditorHandle span{
  display:block;
  max-width:min(290px,42vw);
  white-space:normal;
  line-height:1.3;
  padding:5px 9px;
  overflow:visible;
}
.noteConfigPopup>#noteEditorHandle button{min-height:30px}

/* B077LJ: a focused, progressive lesson chooser. */
.overlay{padding:20px;background:rgba(1,5,12,.88);backdrop-filter:blur(12px)}
.menuPanel{width:min(920px,calc(100vw - 32px));max-height:calc(100vh - 40px);padding:22px;border-color:rgba(153,181,219,.28);border-radius:12px;background:#090f19;box-shadow:0 30px 90px #000b}
.menuHead{gap:24px;padding:0 2px 18px;border-bottom:1px solid rgba(255,255,255,.09)}
.menuHead h2{font-size:clamp(24px,3vw,32px);line-height:1.1;letter-spacing:-.035em;color:#f4f7fb}
.menuHead p{max-width:620px;margin:7px 0 0;color:#9ca8b8;font-size:14px;line-height:1.45}
.menuHead button{min-width:72px;border-color:rgba(255,255,255,.14);border-radius:7px;background:#111824;color:#c7d0dc;padding:9px 13px;font-size:12px}
.menuHead button:hover,.menuHead button:focus-visible{border-color:#93bfff;color:#fff;outline:none}
.menuGroups{display:grid;gap:12px;padding-top:16px}
.menuContinue{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 16px;border:1px solid rgba(123,158,204,.34);border-radius:10px;background:linear-gradient(110deg,rgba(79,116,172,.2),rgba(107,90,176,.1) 65%,rgba(9,15,25,.5))}
.menuContinue>div{display:grid;gap:3px;min-width:0}.menuContinue small{color:#8fbfff;font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.menuContinue strong{overflow:hidden;color:#f4f7fb;font-size:16px;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.menuContinue span{color:#9ca8b8;font-size:12px}
.menuContinue button{flex:0 0 auto;border:1px solid #dfe8f5;border-radius:7px;background:#eef3fa;color:#111824;padding:10px 14px;font-size:12px;font-weight:800;cursor:pointer}.menuContinue button:hover,.menuContinue button:focus-visible{background:#fff;outline:2px solid rgba(147,191,255,.48);outline-offset:2px}
.menuCourseGuide{display:flex;align-items:center;gap:10px;width:max-content;border:0;background:transparent;color:#aab5c4;padding:3px 2px;font:inherit;cursor:pointer}.menuCourseGuide span{color:#8fbfff;font-size:10px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.menuCourseGuide b{font-size:12px;font-weight:600}.menuCourseGuide:hover b,.menuCourseGuide:focus-visible b{color:#fff;text-decoration:underline}.menuCourseGuide:focus-visible{outline:2px solid rgba(147,191,255,.48);outline-offset:3px}
.menuAllStages{display:grid;grid-template-columns:1fr;gap:8px}
.menuGroup{padding:0;overflow:hidden;border:1px solid rgba(134,160,196,.22);border-radius:9px;background:#0c131e}
.menuGroup.currentStage{border-color:rgba(145,186,245,.48);box-shadow:inset 3px 0 0 #8fbfff}
.menuGroup>summary{display:grid;grid-template-columns:34px minmax(0,1fr) auto 18px;align-items:center;gap:12px;min-height:66px;padding:10px 14px;list-style:none;cursor:pointer}.menuGroup>summary::-webkit-details-marker{display:none}.menuGroup>summary:hover{background:rgba(143,191,255,.055)}.menuGroup>summary:focus-visible{outline:2px solid rgba(147,191,255,.55);outline-offset:-2px}
.menuStageNumber{display:grid;place-items:center;width:31px;height:31px;border:1px solid rgba(143,191,255,.28);border-radius:7px;background:#101b2a;color:#8fbfff;font-size:11px;font-weight:850;letter-spacing:.06em}
.menuStageSummary{display:grid;gap:3px}.menuStageSummary b{color:#edf2f9;font-size:15px}.menuStageSummary small{color:#8290a2;font-size:11px}.currentStage .menuStageSummary b{color:#fff}
.menuStageStatus{border:1px solid rgba(143,191,255,.26);border-radius:999px;background:rgba(143,191,255,.08);color:#adceff;padding:5px 8px;font-size:10px;font-weight:750;white-space:nowrap}
.menuStageChevron{width:8px;height:8px;border-right:1.5px solid #8491a3;border-bottom:1.5px solid #8491a3;transform:rotate(45deg);transition:transform .18s ease}.menuGroup[open] .menuStageChevron{transform:rotate(225deg)}
.menuStageBody{padding:0 14px 14px 60px;border-top:1px solid rgba(255,255,255,.065)}
.menuStageActions{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0}.menuStageActions p{margin:0;color:#8f9cad;font-size:11px}.menuSectionIntro{border:0;border-radius:0;background:transparent;color:#9ec6ff;padding:4px 0;font-size:11px;font-weight:700}.menuSectionIntro:hover,.menuSectionIntro:focus-visible{color:#fff;text-decoration:underline;outline:none}
.menuLessonList{display:grid;grid-template-columns:1fr;gap:5px}
.menuLesson{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:50px;padding:7px 10px;border-color:rgba(121,150,190,.2);border-radius:7px;background:#09111c}.menuLesson:hover,.menuLesson:focus-visible{border-color:rgba(143,191,255,.55);background:#0d1928;outline:none}.menuLesson .menuLessonNumber{display:block;width:auto;height:auto;border:0;border-radius:0;background:none;color:#8fbfff;font-size:11px;font-weight:800}.menuLessonCopy{display:grid;gap:2px;min-width:0}.menuLessonCopy b{overflow:hidden;color:#dfe6f0;font-size:12px;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.menuLessonCopy small{overflow:hidden;color:#7f8b9b;font-size:10px;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.menuLesson.active{border-color:rgba(255,255,255,.42);background:linear-gradient(90deg,rgba(116,150,201,.18),rgba(9,17,28,.95));box-shadow:none}.menuLesson.active .menuLessonCopy b{color:#fff}.menuCurrentLabel{color:#b9d5ff;font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
@media(max-width:700px){.overlay{padding:8px}.menuPanel{width:calc(100vw - 16px);max-height:calc(100vh - 16px);padding:16px}.menuHead{gap:14px}.menuHead p{font-size:12px}.menuContinue{align-items:stretch;flex-direction:column;gap:12px}.menuContinue strong{white-space:normal}.menuContinue button{width:100%}.menuGroup>summary{grid-template-columns:32px minmax(0,1fr) 16px;gap:9px;padding-inline:10px}.menuStageStatus{display:none}.menuStageBody{padding:0 10px 10px}.menuStageActions{align-items:flex-start;flex-direction:column;gap:4px}.menuLesson{grid-template-columns:44px minmax(0,1fr)}.menuCurrentLabel{display:none}.menuLessonCopy small{white-space:normal}}