/* Generated Chords & Harmony lessons — shared, content-driven family layout. */
:root{--bg:#05070b;--panel:#0d121a;--line:#28313f;--blue:#8fc5ff;--green:#79dfa2;--yellow:#f5d863;--ink:#f5f7fb;--muted:#8f9aae}
*{box-sizing:border-box}
html,body{min-height:100%;margin:0;overflow-x:hidden}
body{margin-left:248px!important;background:var(--cw-bg,#05070b);color:var(--cw-text,#f5f7fb);font-family:Inter,"Segoe UI",system-ui,sans-serif;font-weight:500;overflow-x:hidden;overflow-y:auto}
button{font:inherit}
.academyShell{display:block;min-height:100vh}.academyNav{display:block!important;position:fixed!important;inset:0 auto 0 0!important;z-index:2147483000!important;width:248px!important;height:100vh!important;padding:10px 8px!important;overflow-y:auto!important;border-right:1px solid var(--cw-border,#28313f)!important;background:#060a10!important}
.lesson{display:grid;grid-template-rows:auto;gap:12px;width:min(100% - 28px,1320px);margin:0 auto;padding:10px 0 42px;min-width:0}
.panel{min-width:0;border:1px solid var(--cw-border,#28313f);border-radius:10px;background:var(--cw-surface,#0d121a);box-shadow:none}
.lessonHeader{display:grid;grid-template-columns:minmax(290px,.72fr) minmax(0,1.28fr);gap:12px;min-width:0}
.lessonTitle{padding:20px;overflow:visible}.eyebrow,.step,.guideHeading{color:var(--cw-blue,#8fc5ff);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:780}.lessonTitle h1{margin:7px 0 10px;color:var(--cw-text,#f5f7fb);font-size:clamp(2rem,3.2vw,2.75rem);line-height:1.04;letter-spacing:-.04em;font-weight:760;overflow-wrap:anywhere}.lessonTitle p{margin:0;color:var(--cw-text-soft,#c7cfdb);font-size:.96rem;line-height:1.5}.messageHeading{margin:14px 0 5px;color:var(--cw-violet-soft,#b6a5ff)}
.tonicPanel{display:grid;align-content:start;gap:12px;padding:14px;overflow:visible}.focusedPath{padding:10px 11px;border:1px solid var(--cw-border,#28313f);border-radius:7px;background:#080d14}.focusedPath summary{display:flex;justify-content:space-between;gap:10px;color:var(--cw-text,#f5f7fb);font-size:.8rem;font-weight:720;cursor:pointer;list-style:none}.focusedPath summary::-webkit-details-marker{display:none}.focusedPath summary:after{content:'+';color:var(--cw-muted,#8f9aae)}.focusedPath[open] summary:after{content:'−'}.focusedPath summary span{margin-left:auto;color:var(--cw-muted,#8f9aae);font-size:.7rem;font-weight:550}.focusedGuideSteps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:10px}.focusedGuideSteps>div{display:grid;grid-template-columns:25px 1fr;align-items:center;gap:7px;min-width:0;padding:7px;border:1px solid var(--cw-border,#28313f);border-radius:6px;background:#0b1119;color:var(--cw-text-soft,#c7cfdb);font-size:.73rem;line-height:1.28}.focusedGuideSteps>div>b{display:grid;place-items:center;width:23px;height:23px;border:1px solid rgba(143,197,255,.45);border-radius:6px;background:rgba(83,132,194,.18);color:var(--cw-blue,#8fc5ff);font-size:.68rem}.tonicHeading{margin-top:1px}.tonics{display:grid;grid-template-columns:repeat(14,minmax(44px,1fr));gap:4px}.tonic{min-width:0;min-height:48px;padding:5px 2px;border:1px solid var(--cw-border,#28313f);border-radius:6px;background:#080d14;color:var(--cw-text,#f5f7fb);font-size:.88rem;font-weight:720;cursor:pointer}.tonic small{display:block;margin-top:2px;color:var(--cw-muted,#8f9aae);font-size:.59rem}.tonic:hover,.tonic:focus-visible{border-color:var(--cw-border-strong,#3b485c);outline:none}.tonic.active{border-color:var(--cw-yellow,#f5d863);background:rgba(245,216,99,.12);color:var(--cw-yellow,#f5d863);box-shadow:none}
.actionPanel{display:grid;grid-template-columns:minmax(240px,.9fr) auto minmax(200px,.75fr);align-items:center;gap:14px;padding:13px 16px}.instruction b{display:block;margin-bottom:4px;color:var(--cw-text,#f5f7fb);font-size:.96rem}.instruction span{display:block;color:var(--cw-text-soft,#c7cfdb);font-size:.84rem;line-height:1.45}.controls{display:flex;align-items:flex-end;gap:8px}.control{display:flex;flex-direction:column;gap:4px}.control label{padding-left:3px;color:var(--cw-muted,#8f9aae);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700}.toggle{display:grid;min-width:196px;padding:3px;border:1px solid var(--cw-border,#28313f);border-radius:7px;background:#070b11}.toggle.two{grid-template-columns:1fr 1fr}.toggle button{min-height:38px;padding:7px 11px;border:0;border-radius:5px;background:transparent;color:var(--cw-text-soft,#c7cfdb);font-size:.78rem;font-weight:700;cursor:pointer;white-space:nowrap}.toggle button:hover,.toggle button:focus-visible{background:var(--cw-surface-soft,#121925);color:#fff;outline:none}.toggle button.active{background:linear-gradient(135deg,rgba(78,122,181,.62),rgba(104,82,159,.52));color:#fff;box-shadow:inset 0 0 0 1px rgba(177,206,248,.25)}.toggle button.minor.active,.toggle button.borrowed.active{background:linear-gradient(135deg,rgba(60,120,97,.6),rgba(67,91,124,.45))}.playGlyph{display:inline-grid;place-items:center;width:18px;height:18px;margin-right:5px;border:1px solid currentColor;border-radius:50%;font-size:.56rem;line-height:1;vertical-align:middle}.summary{padding-left:12px;border-left:2px solid var(--cw-violet,#9d8cff);color:var(--cw-text-soft,#c7cfdb);font-size:.78rem;line-height:1.35}.summary strong{display:block;margin-bottom:3px;color:var(--cw-text,#f5f7fb);font-size:.98rem}
.borrowedChooser{min-width:0;padding:8px;border:1px solid var(--cw-border,#28313f);border-radius:8px;background:#080d14}.borrowedChooserTitle{display:flex;align-items:center;gap:8px;margin-bottom:7px}.borrowedChooserTitle span{color:var(--cw-blue,#8fc5ff);font-size:.63rem;letter-spacing:.1em;text-transform:uppercase;font-weight:780}.borrowedChooserTitle b{color:var(--cw-text,#f5f7fb);font-size:.76rem}.borrowedOptionGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.borrowedOption{position:relative;display:grid;grid-template-columns:22px minmax(0,1fr);grid-template-rows:auto auto;column-gap:7px;min-width:0;padding:7px 8px;border:1px solid var(--cw-border-strong,#3b485c);border-radius:6px;background:#0b1119;color:var(--cw-text-soft,#c7cfdb);text-align:left;cursor:pointer}.borrowedOption>span{grid-row:1/3;align-self:center;display:grid;place-items:center;width:22px;height:22px;border:1px solid rgba(143,197,255,.4);border-radius:50%;color:var(--cw-blue,#8fc5ff);font-size:.62rem;font-weight:760}.borrowedOption b{overflow:hidden;color:var(--cw-text,#f5f7fb);font-size:.72rem;line-height:1.15;text-overflow:ellipsis;white-space:nowrap}.borrowedOption small{overflow:hidden;color:var(--cw-muted,#8f9aae);font-size:.58rem;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.borrowedOption:hover,.borrowedOption:focus-visible{border-color:#52627a;outline:none}.borrowedOption.active{border-color:var(--cw-yellow,#f5d863);background:rgba(245,216,99,.1);box-shadow:inset 0 -2px 0 rgba(143,197,255,.8)}.borrowedOption.active b{color:var(--cw-yellow,#f5d863)}
body[data-lesson="borrowed"] .actionPanel{grid-template-columns:minmax(230px,.8fr) minmax(470px,1.5fr) auto}body[data-lesson="borrowed"] .actionPanel .summary{grid-column:1/-1}body[data-lesson="borrowed"] .demo{grid-template-rows:auto minmax(310px,46vh) auto}
.demo{display:grid;grid-template-rows:auto auto minmax(310px,46vh);gap:8px;padding:14px;min-height:0;overflow:visible}.watch{display:flex;align-items:center;flex-wrap:wrap;gap:7px 10px;padding:10px 12px;border:1px solid var(--cw-border,#28313f);border-radius:7px;background:#080d14;color:var(--cw-text-soft,#c7cfdb);font-size:.78rem;line-height:1.4}.watch b{color:var(--cw-violet-soft,#b6a5ff)}.watch .listen{margin-left:8px;color:var(--cw-blue,#8fc5ff)}.now{margin-left:auto;color:var(--cw-yellow,#f5d863);font-weight:700;white-space:normal}
.choiceStrip{display:grid;gap:5px}.choiceStrip.notes8{grid-template-columns:repeat(8,1fr)}.choiceStrip.notes3{grid-template-columns:repeat(3,1fr)}.choiceStrip.borrowedChoices{grid-template-columns:repeat(4,1fr)}.choiceStrip.degreeChoices{grid-template-columns:repeat(7,1fr)}.pill{display:flex;align-items:center;justify-content:center;gap:7px;min-width:0;min-height:40px;border:1px solid var(--cw-border-strong,#3b485c);border-radius:6px;background:rgba(83,132,194,.2);color:var(--cw-text,#f5f7fb);font-size:1rem;font-weight:720}.pill small{font-size:.66rem}.pill.choice{background:#080d14;cursor:pointer}.pill.choice.active{border-color:var(--cw-yellow,#f5d863);background:rgba(245,216,99,.12);color:var(--cw-yellow,#f5d863);box-shadow:none}.pill.minorView{background:rgba(73,133,104,.2)}.choiceStrip.alignedStrip{display:block;position:relative;height:40px}.choiceStrip.alignedStrip>.pill{position:absolute;top:0;width:6%;min-width:58px;transform:translateX(-50%);padding:2px;gap:2px;flex-direction:column;font-size:.78rem;line-height:1}.choiceStrip.alignedStrip>.pill small{font-size:.56rem}
.keyboard{position:relative;height:100%;min-height:310px;border:1px solid rgba(143,197,255,.45);border-radius:9px;background:#dfe9f7;overflow:hidden}.whiteWrap{display:grid;grid-template-columns:repeat(12,1fr);height:100%}.whiteKey{position:relative;display:flex;align-items:flex-end;justify-content:center;padding:0 2px 24px;border-right:1px solid #8190a4;background:linear-gradient(90deg,#eef3fa,#fff,#dbe4ef);color:#101722;font-size:clamp(.9rem,1.4vw,1.25rem);font-weight:780}.whiteKey.inScale{background:#bbd0ee}.whiteKey.inChord{background:linear-gradient(#fff8b2,#ead557)}.whiteKey .degree{margin-left:4px;padding:2px 5px;border-radius:5px;background:#3c70d6;color:#fff;font-size:.62rem}.whiteKey .role{position:absolute;bottom:57px;padding:4px 7px;border-radius:99px;background:#14233a;color:#fff;font-size:.62rem}.blackKey{position:absolute;top:0;z-index:4;display:flex;align-items:center;justify-content:center;width:4.9%;height:62%;transform:translateX(-50%);border-radius:0 0 6px 6px;background:linear-gradient(90deg,#05070b,#1c222c,#020308);box-shadow:0 7px 12px rgba(0,0,0,.48);color:#fff;text-align:center;font-size:.68rem;font-weight:740}.blackKey.inScale{outline:2px solid var(--cw-blue,#8fc5ff);outline-offset:-2px;background:linear-gradient(#79a6f2,#315eb2)}.blackKey.inChord{outline:2px solid var(--cw-yellow,#f5d863);outline-offset:-2px;background:linear-gradient(#ffe981,#9f7f10);color:#07101e}.blackDegree{display:block;width:max-content;margin:4px auto 0;padding:2px 4px;border-radius:4px;background:#315f9d;color:#fff;font-size:.56rem}.blackKey .role{position:absolute;bottom:13px;padding:3px 5px;border-radius:99px;background:#14233a;color:#fff;font-size:.55rem}.whiteKey.anchoredTone,.blackKey.anchoredTone{outline:3px solid var(--cw-blue,#8fc5ff);outline-offset:-3px}.whiteKey.changedTone,.blackKey.changedTone{outline:3px solid var(--cw-yellow,#f5d863);outline-offset:-3px}.audioPulse{outline:3px solid var(--cw-yellow,#f5d863)!important;outline-offset:-3px!important;filter:brightness(1.12)}.comparisonPulse{animation:comparisonTonePulse 1.2s ease-in-out 3}@keyframes comparisonTonePulse{50%{filter:brightness(1.22)}}
.whiteKey.tonicReference{box-shadow:inset 0 0 0 3px var(--cw-green,#79dfa2)}.blackKey.tonicReference{box-shadow:inset 0 0 0 3px var(--cw-green,#79dfa2),0 7px 12px rgba(0,0,0,.48)}.tonicMarker{position:absolute;top:7px;left:50%;z-index:8;transform:translateX(-50%);width:max-content;padding:3px 6px;border:1px solid rgba(121,223,162,.9);border-radius:99px;background:#0b2c20;color:#a9f5c5;font-size:.55rem;font-weight:780;line-height:1;white-space:nowrap}.blackKey .tonicMarker{top:6px;padding:2px 4px;font-size:.49rem}
.takeaway{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 15px;color:var(--cw-text-soft,#c7cfdb);font-size:.82rem;line-height:1.42;overflow:visible}.takeaway b{color:var(--cw-violet-soft,#b6a5ff)}.advisor{color:var(--cw-muted,#8f9aae);font-size:.75rem;text-align:right}.advisor.enharmonic{padding:6px 8px;border:1px solid var(--cw-border,#28313f);border-left:2px solid var(--cw-violet,#9d8cff);border-radius:6px;background:#0c1119;color:var(--cw-text-soft,#c7cfdb);font-weight:650}.enhChoice{margin-left:6px;padding:5px 8px;border:1px solid var(--cw-violet,#9d8cff);border-radius:5px;background:rgba(104,82,159,.25);color:#fff;font-size:.68rem;font-weight:700;cursor:pointer}
html.cwFocusedBoot body{visibility:hidden;opacity:0;background:#05070b}html.cwFocusedBoot.cwFocusedReady body{visibility:visible;opacity:1;transition:opacity .16s ease-out}

@media(max-width:1400px){.lessonHeader{grid-template-columns:minmax(270px,.7fr) minmax(0,1.3fr)}.actionPanel{grid-template-columns:1fr auto}.borrowedChooser{grid-column:1/-1}.summary{grid-column:1/-1}.focusedGuideSteps{grid-template-columns:1fr}.tonics{grid-template-columns:repeat(7,minmax(44px,1fr))}}
@media(max-width:900px){body{margin-left:0!important}.academyNav{position:relative!important;width:100%!important;height:auto!important;max-height:none!important}.lesson{width:min(100% - 24px,760px);padding-top:8px}.lessonHeader,.actionPanel{grid-template-columns:1fr}.controls{align-items:stretch;flex-wrap:wrap}.toggle{min-width:0}.demo{grid-template-rows:auto auto minmax(290px,52vh)}.takeaway{display:block}.advisor{margin-top:8px;text-align:left}}
@media(max-width:640px){.lessonTitle{padding:16px}.lessonTitle h1{font-size:2rem}.tonics{grid-template-columns:repeat(4,minmax(44px,1fr))}.focusedGuideSteps{grid-template-columns:1fr}.controls{display:grid;grid-template-columns:1fr}.toggle{width:100%}.borrowedOptionGrid{grid-template-columns:1fr 1fr}.choiceStrip.degreeChoices{grid-template-columns:repeat(4,1fr)}.watch .listen{margin-left:0}.now{width:100%;margin-left:0}.demo{padding:10px}.keyboard{min-height:260px}.choiceStrip.alignedStrip>.pill{min-width:48px}.takeaway{font-size:.78rem}}

/* Keep both key layers on the same inset keyboard bed. The shared Academy
   shell supplies 10px of keyboard padding (7px on narrow screens). */
html.cwFocusedFamily .demo>.keyboard>.blackKey{top:10px}
@media(max-width:640px){html.cwFocusedFamily .demo>.keyboard>.blackKey{top:7px}}