.intro{padding:35px 0 30px}.intro h1{font-size:clamp(30px,3.1vw,43px)}.intro-note>span{font-size:25px}.listen-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0 8px}.listen-buttons{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.input-signal{min-width:190px;text-align:right;font-size:11px;color:#65715f}.input-signal meter{display:block;width:190px;height:8px;margin-top:10px;accent-color:#7d9e70}.listen-instruction{font-size:12px;line-height:1.7;color:#6a7365;max-width:940px;margin:12px 0 23px}.ear-readout{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:28px;border:1px solid var(--line);border-radius:12px;padding:24px;background:#faf9f5;margin-bottom:22px}.ear-readout>div{display:flex;flex-direction:column;gap:9px;min-width:0}.ear-readout .eyebrow{font-size:9px;margin:0}.ear-readout strong{font:500 29px var(--display);letter-spacing:-1px}.ear-readout>div:first-child strong{font-size:47px;line-height:1}.ear-readout small{font-size:11px;line-height:1.7;color:#6d7766}.ear-readout .key-alternatives{gap:7px;border-left:1px solid var(--line);padding-left:25px}.key-alternatives>div{font-size:11px;color:#6d7766;display:flex;gap:7px;flex-wrap:wrap}.key-alternatives button{border:1px solid #d1d6c8;border-radius:5px;padding:5px 7px;background:transparent;font-size:11px;color:var(--ink)}.key-alternatives label{font-size:10px;margin-top:3px}.key-alternatives select{font-size:11px;padding:6px;width:100%}.ear-map-card{background:#faf9f5;border:1px solid var(--line);border-radius:14px;padding:22px 25px}.ear-map{position:relative;max-width:930px;aspect-ratio:800/420;margin:15px auto 0}.ear-map svg{position:absolute;width:100%;height:100%;overflow:visible}.family-line{stroke:#d3dacd;stroke-width:2}.next-line{stroke:var(--orange);stroke-width:2;stroke-dasharray:6 6;opacity:.7}.map-lane{fill:#76806e;font:8px var(--font);letter-spacing:1.5px}.ear-node{position:absolute;transform:translate(-50%,-50%);width:91px;height:91px;background:var(--node-bg);border:1px solid var(--node);border-radius:50%;color:var(--ink);display:flex;align-items:center;justify-content:center;flex-direction:column;box-shadow:0 0 0 7px #faf9f5;z-index:1}.ear-node:active:not(:disabled){transform:translate(-50%,-50%)}.ear-node.home{width:115px;height:115px}.ear-node small{font-size:11px;font-weight:600}.ear-node strong{font:700 30px var(--display);letter-spacing:-1px}.ear-node.home strong{font-size:42px}.ear-node>span{font-size:9px}.ear-node.suggested{outline:1px dashed var(--node);outline-offset:7px}.ear-node.heard{outline:3px solid var(--orange);outline-offset:7px}.ear-node b{position:absolute;bottom:-21px;background:var(--orange);color:white;border-radius:4px;font-size:8px;letter-spacing:1px;padding:4px 8px}.ear-node.unresolved{opacity:.5}.rest-label{position:absolute;top:70%;left:16.5%;transform:translateX(-50%);font-size:8px;letter-spacing:1px;white-space:nowrap;color:#7c7b68}#map-waiting{position:absolute;left:24%;bottom:0%;font-size:12px;text-align:center;color:#727869;line-height:1.7;background:#faf9f5;padding:8px;border-radius:8px}.ear-legend{display:flex;flex-wrap:wrap;gap:18px;font-size:10px;color:#687363;margin-top:14px;align-items:center}.ear-legend>span{display:flex;align-items:center;gap:7px}.ear-legend i{width:10px;height:10px;border-radius:50%;display:inline-block}.legend-heard{border:2px solid var(--orange)}.legend-next{border:1px dashed #738664}.ear-function{border-top:1px solid var(--line);padding-top:15px;margin-top:16px;line-height:1.8;font-size:13px;min-height:65px;color:#505e4d}.heard-path{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:15px;margin-top:32px}.heard-path h2,.next-section h2{font:500 24px var(--display);letter-spacing:-.6px;margin:0}.heard-path .eyebrow,.next-section .eyebrow{font-size:9px;margin-bottom:8px}.heard-history{display:flex;align-items:center;gap:9px;overflow-x:auto;flex-basis:100%;padding:7px 2px 15px;font-size:12px;color:#6a7464}.history-chord{display:flex;flex-direction:column;align-items:center;gap:5px;background:#faf9f5;border:1px solid #d3d9cb;border-radius:7px;padding:10px 16px;white-space:nowrap;min-width:64px}.history-chord.latest{border-color:var(--orange)}.history-chord strong{font:600 21px var(--display);color:var(--ink)}.history-chord small{font-size:10px}.history-arrow{color:#9b9f93}.next-section{padding:22px 0}.next-chords{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.next-chords>p{grid-column:1/-1;font-size:12px;color:var(--muted)}.next-card{text-align:left;border:1px solid #d0d7c7;border-top:3px solid var(--node);background:#faf9f5;border-radius:8px;display:flex;flex-direction:column;gap:10px;padding:19px;color:var(--ink)}.next-card>span{font-size:12px}.next-card strong{font:600 31px var(--display)}.next-card small{font-size:10px;color:#74806b}.listening-help{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:10px 0}.listening-help summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--ink)}.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:20px 0}.help-grid h3{font-size:15px;font-weight:500}.help-grid p{font-size:12px;line-height:1.8;color:#65715f}@media(max-width:950px){.listen-toolbar{align-items:flex-start}.input-signal{min-width:140px}.input-signal meter{width:140px}.ear-readout{gap:20px}.ear-readout .key-alternatives{padding-left:18px}.ear-node{width:75px;height:75px}.ear-node.home{width:90px;height:90px}.ear-node strong{font-size:26px}.ear-node.home strong{font-size:34px}.ear-node small{font-size:10px}.ear-node>span{font-size:8px}}@media(max-width:700px){.intro{padding:27px 0 20px}.intro h1{font-size:30px}.tabs{gap:22px;justify-content:space-between}.tabs button{font-size:0;gap:0}.tabs button span{font-size:12px}.listen-toolbar{flex-direction:column;gap:12px;padding:18px 0 0}.listen-buttons{gap:8px}.listen-buttons .text-button{padding-left:0;flex-basis:100%;text-align:left}.input-signal{display:flex;align-items:center;width:100%;gap:12px;justify-content:space-between}.input-signal meter{margin:0;width:90px}.listen-instruction{font-size:11px;margin:13px 0 18px}.ear-readout{grid-template-columns:.8fr 1.2fr;padding:19px;gap:18px}.ear-readout strong{font-size:24px}.ear-readout>div:first-child strong{font-size:39px}.ear-readout .eyebrow{font-size:8px;letter-spacing:1px}.ear-readout .key-alternatives{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:15px 0 0;display:grid;grid-template-columns:1fr 1fr;align-items:center}.key-alternatives>div{justify-content:flex-end}.ear-map-card{padding:18px 10px}.ear-map{aspect-ratio:800/660;margin-top:12px}.ear-node{width:61px;height:61px;box-shadow:0 0 0 4px #faf9f5}.ear-node.home{width:70px;height:70px}.ear-node strong{font-size:24px}.ear-node.home strong{font-size:30px}.ear-node>span{font-size:7px}.ear-node small{font-size:9px}.ear-node.heard{outline-offset:4px}.ear-node.suggested{outline-offset:4px}.ear-node b{font-size:7px;bottom:-19px;padding:3px 6px}.map-lane{display:none}.rest-label{font-size:6px;letter-spacing:.3px;top:66%}.ear-legend{gap:12px;font-size:9px;margin-top:10px}.ear-legend>span:last-child{flex-basis:100%}.ear-function{font-size:12px;line-height:1.8}.ear-map-card .section-caption{font-size:8px;letter-spacing:.7px}.ear-map-card .switch{font-size:9px;white-space:nowrap;gap:3px}#map-waiting{font-size:10px;left:24%;bottom:0}.next-chords{gap:7px}.next-card{padding:12px 9px}.next-card>span{font-size:10px}.next-card small{font-size:9px;line-height:1.5}.next-card strong{font-size:27px}.heard-path h2,.next-section h2{font-size:22px}.heard-path .quiet{padding-left:0}.help-grid{grid-template-columns:1fr;gap:5px}}@media(max-width:370px){.ear-node{width:55px;height:55px}.ear-node.home{width:63px;height:63px}.ear-node strong{font-size:21px}.ear-node.home strong{font-size:27px}.tabs{gap:15px}.listen-buttons .primary,.listen-buttons .secondary{font-size:11px;padding:10px}.ear-readout{padding:15px}}
.ear-experimental{font-size:10px;color:#7b6a53;letter-spacing:.2px;margin:10px 0 0}.listening-view #sound{display:none}.listening-view .intro-note{display:none}.listening-view .intro{padding:27px 0 22px}.listening-view .intro h1{font-size:34px}.help-grid a{color:var(--orange)}@media(max-width:700px){.listening-view .intro{padding:23px 0 19px}.listening-view .intro h1{font-size:27px;margin-bottom:14px}.listening-view .intro .lede{font-size:12px}}

.map-controls{display:flex;align-items:center;gap:28px;padding:22px 0;border-bottom:1px solid var(--line)}.map-controls>div{min-width:230px}.map-controls label{display:block;font-size:11px;font-weight:600;margin-bottom:9px}.map-controls select{width:100%;font-size:17px;padding:12px;background:#faf9f5}.map-controls p{font-size:13px;line-height:1.7;max-width:490px;color:#65715f}.ear-node.selected{outline:3px solid #465d73;outline-offset:7px}.ear-node.selected b{background:#465d73}.ear-node.heard{outline-color:var(--orange)}.ear-node.heard b{background:var(--orange)}.legend-selected{border:2px solid #465d73}.ear-node:focus-visible,.next-card:focus-visible{box-shadow:0 0 0 4px white,0 0 0 7px #465d73}.ear-node>span{max-width:85%;text-align:center;line-height:1.15}.next-card small{line-height:1.6}@media(max-width:700px){.map-controls{align-items:stretch;flex-direction:column;gap:8px;padding:18px 0}.map-controls p{margin:0;font-size:12px}.ear-node.selected{outline-offset:4px}}

/* Listening: keep the candidate set beside its strongest hypothesis. */
.topbar{height:76px}.intro .lede{max-width:720px}.listening-view .intro h1{font-size:clamp(27px,3.2vw,40px)}
.map-controls>div.mode-summary{min-width:0}.mode-summary>strong,.mode-summary>span{display:inline-block;font-size:12px;border-radius:20px;padding:6px 10px;background:#e4e9dd;margin:0 6px 5px 0}.mode-summary>span{background:#eee9dc}.mode-summary p{margin:4px 0 0}.listen-toolbar{padding-top:18px}.listen-instruction{margin-bottom:16px}.ear-readout{padding:18px 22px;margin-bottom:0}.ear-readout .eyebrow{font-size:10px}.ear-readout small{font-size:12px}.next-section{padding:23px 0}.next-chords{grid-template-columns:1.3fr 1fr 1fr;margin-top:14px}.next-card{padding:17px;border-top-width:1px;gap:7px}.next-card.preferred{border:2px solid var(--orange);background:#f5eadc}.next-card .candidate-rank{font-size:10px;font-weight:700;letter-spacing:.7px;color:#65715f}.next-card.preferred .candidate-rank{color:#a63e22}.next-card strong{font-size:35px}.next-card small{font-size:12px;color:#52604d}.next-section>.small{max-width:780px;line-height:1.65}.ear-node.most-likely:not(.heard):not(.selected){outline:3px dashed var(--orange)}.ear-node .next-badge{background:#f4e4d0;color:#9a3c24;font-weight:700}.preferred-line{stroke-width:3;opacity:1}.legend-best{border:2px dashed var(--orange)}.ear-legend{font-size:11px}.ear-node>span{font-size:11px}.ear-node{width:101px;height:101px}.map-lane{font-size:10px;letter-spacing:1px}.ear-map-card{padding-top:19px}.ear-function{min-height:0}.heard-path{margin-top:24px}
.scale-steps{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin:12px 0 20px}.scale-steps>span{display:flex;flex-direction:column;gap:5px;text-align:center;border-bottom:3px solid #d1d9c8;padding:7px 0}.scale-steps small{font-size:10px;color:#64705e}.scale-steps strong{font-size:12px;font-weight:500}.build-result{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.build-result>span{display:flex;flex-direction:column;gap:6px;align-items:center;background:#e7ecdf;border-radius:8px;padding:12px;min-width:54px}.build-result small{font:11px var(--font);color:#65715f}.build-result strong{font:600 22px var(--display)}.build-result>b{font-size:16px;font-weight:400}.build-result .built-chord{background:#efdfbe}.relative-visual{display:grid;gap:15px;margin:20px 0}.relative-visual>div>strong{font-size:13px;font-weight:500}.relative-notes{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin-top:9px}.relative-notes>span{display:flex;flex-direction:column;gap:5px;text-align:center;background:#e8ecdf;border-radius:6px;padding:8px 2px;font-size:14px}.relative-notes small{font-size:10px;color:#65715f}.relative-notes .center-note{background:#eeddb5;outline:1px solid #b18f48}.ear-training-path{display:flex;align-items:center;justify-content:center;gap:20px;margin-bottom:25px}.ear-training-path>span:not(.training-gap){display:flex;flex-direction:column;align-items:center;gap:8px;border-radius:14px;background:#e7ecdf;padding:20px;min-width:110px}.ear-training-path small{font-size:10px;letter-spacing:1px}.ear-training-path strong{font:500 34px var(--display)}.ear-training-path span span,.training-gap{font-size:12px;color:#63705d}.challenge .sound-glyph{height:24px;margin-bottom:15px}
@media(max-width:950px){.ear-node{width:82px;height:82px}.ear-node>span{font-size:10px}}
@media(max-width:700px){.ear-readout{padding:16px;gap:14px}.next-chords{grid-template-columns:1fr 1fr;gap:9px}.next-card.preferred{grid-column:1/-1;display:grid;grid-template-columns:90px 1fr;column-gap:16px}.next-card.preferred .candidate-rank{grid-column:1/-1}.next-card.preferred strong{grid-column:1;grid-row:2/4;font-size:42px;align-self:center}.next-card.preferred>span:not(.candidate-rank),.next-card.preferred>small{grid-column:2}.next-card{padding:13px}.next-card>span{font-size:12px}.next-card small{font-size:12px}.ear-node{width:64px;height:76px;border-radius:40px}.ear-node.home{width:70px;height:82px}.ear-node>span{font-size:10px}.ear-node small{font-size:10px}.ear-node strong{font-size:25px}.ear-node.home strong{font-size:29px}.ear-node.most-likely{outline-offset:4px}.ear-node b{font-size:8px}.rest-label{display:none}.ear-map{aspect-ratio:800/720}.ear-legend{font-size:11px;gap:12px}.ear-map-card .section-caption{font-size:9px;flex-wrap:wrap;gap:10px}.ear-map-card .switch{font-size:11px}.key-alternatives button{min-height:36px}.ear-training-path{gap:10px}.ear-training-path>span:not(.training-gap){padding:13px;min-width:90px}.scale-steps small{font-size:9px}.relative-notes>span{font-size:13px}.topbar{height:70px}}
@media(prefers-reduced-motion:reduce){button{transition:none}}
@media(min-width:1000px){.listening-workspace{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(290px,1fr);gap:24px;margin-top:24px;align-items:start}.listening-workspace>.ear-map-card{grid-column:1;grid-row:1;padding:19px 16px}.listening-workspace>.next-section{grid-column:2;grid-row:1;padding:0}.listening-workspace .next-chords{grid-template-columns:1fr;gap:10px}.listening-workspace .next-card{display:grid;grid-template-columns:66px 1fr;gap:6px 12px;padding:14px}.listening-workspace .candidate-rank{grid-column:1/-1}.listening-workspace .next-card strong{grid-column:1;grid-row:2/4;align-self:center}.listening-workspace .next-card>span:not(.candidate-rank),.listening-workspace .next-card>small{grid-column:2}.listening-workspace .ear-node{width:79px;height:79px}.listening-workspace .ear-node.home{width:91px;height:91px}.listening-workspace .ear-node>span{font-size:10px}.listening-workspace .ear-node.home strong{font-size:34px}.listening-workspace .ear-map{margin-top:24px;min-height:350px}.listening-workspace .rest-label{display:none}}

/* Duas entradas com objetivos explícitos; exploração e quiz ficam fora da navegação. */
.tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-bottom:16px}
.tabs button{display:flex;flex-direction:column;align-items:flex-start;gap:7px;padding:18px 20px;text-align:left;border:1px solid var(--line);border-radius:10px;background:#faf9f5}
.tabs button span{font-size:16px;font-weight:600}
.tabs button small{font-size:12px;line-height:1.5;font-weight:400;color:var(--muted)}
.tabs button.active{background:#e8eadf;border-color:#77846d;box-shadow:inset 0 3px #77846d}
@media(max-width:700px){.tabs{gap:8px}.tabs button{padding:14px 12px;gap:6px}.tabs button span{font-size:14px}.tabs button small{font-size:11px}}

.video-lesson{margin:28px 0 8px;padding:28px;border:1px solid var(--line);border-radius:16px;background:#faf9f5}
.video-intro{max-width:760px}.video-intro h2{font:500 30px var(--display);letter-spacing:-.8px;margin:10px 0}.video-intro p:not(.eyebrow),.video-practice p{font-size:14px;line-height:1.7;color:var(--muted)}
.video-lesson video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#172a27;border-radius:10px;margin:22px 0}
.video-practice{display:flex;justify-content:space-between;gap:24px;align-items:center}.video-practice h3{font-size:18px;margin:0}.video-practice p{max-width:570px;margin:8px 0 0}.video-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}.video-footnote{margin:18px 0 0}.video-footnote a{color:var(--ink)}
@media(max-width:950px){.video-practice{flex-direction:column;align-items:flex-start}}
@media(max-width:700px){.video-lesson{padding:16px;margin-top:20px}.video-intro h2{font-size:25px}.video-actions{width:100%;flex-direction:column}.video-actions button{width:100%;min-height:44px}.video-lesson video{margin:18px 0}}