:root{
  --bg:var(--color-bg);--panel:var(--color-surface);--panel2:var(--color-surface-2);--text:var(--color-text);--muted:var(--color-muted);--line:var(--color-line);
  --accent:var(--color-accent);--accent2:var(--color-accent-2);--good:var(--color-good);--bad:var(--color-bad);--radius:18px;
  --max:1180px;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--color-accent-2-text)} a:hover{text-decoration-thickness:2px}
button,input,select{font:inherit}
button{cursor:pointer}
.hero{max-width:var(--max);margin:0 auto;padding:118px 18px 34px;display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center}
.eyebrow{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-accent-text);font-weight:800}.hero h1{font-size:clamp(2.5rem,7vw,5.8rem);line-height:.94;margin:.2em 0 .25em;letter-spacing:-.055em}.hero p{font-size:1.12rem;color:var(--muted);max-width:760px}.hero-card{background:linear-gradient(155deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:28px;padding:26px;min-height:260px;position:relative;overflow:hidden}.hero-card:before{content:"♪";position:absolute;right:18px;top:-30px;font-size:10rem;color:color-mix(in srgb, var(--accent) 12%, transparent);transform:rotate(-8deg)}
.hero-stat{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:32px}.stat{background:color-mix(in srgb, var(--text) 6%, transparent);border:1px solid var(--line);border-radius:14px;padding:13px}.stat b{display:block;font-size:1.5rem}.stat span{font-size:.82rem;color:var(--muted)}
.container{max-width:var(--max);margin:auto;padding:28px 18px}.section-title{display:flex;justify-content:space-between;gap:18px;align-items:end;margin:18px 0}.section-title h2{font-size:clamp(1.7rem,3vw,2.6rem);margin:0}.section-title p{color:var(--muted);max-width:620px;margin:0}
.note{border-left:4px solid var(--accent);background:var(--panel);padding:14px 16px;border-radius:0 14px 14px 0;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin:22px 0 12px}.era-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:14px;padding:13px 8px;text-align:left;min-height:92px}.era-btn small{display:block;color:var(--muted);margin-top:4px}.era-btn.active,.era-btn:hover{border-color:var(--accent);background:var(--color-accent-tint)}.era-btn .dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--accent);margin-right:6px}
.era-detail{border:1px solid var(--line);border-radius:22px;background:var(--panel);padding:24px}.era-head{display:flex;justify-content:space-between;gap:20px;align-items:start}.era-head h3{font-size:2rem;margin:0}.period{color:var(--color-accent-text);font-weight:800}.era-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:18px;margin-top:20px}.box{background:var(--panel2);border:1px solid var(--line);border-radius:15px;padding:16px}.box h4{margin:0 0 8px}.box ul{margin:0;padding-left:20px}.tags{display:flex;gap:7px;flex-wrap:wrap}.tag{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:5px 9px;font-size:.82rem;color:var(--muted)}
.listen-row{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.listen{border:1px solid var(--line);border-radius:15px;padding:14px;background:var(--color-surface-3)}.listen strong{display:block}.listen p{color:var(--muted);font-size:.9rem;margin:.35em 0 .7em}.listen a{display:inline-flex;gap:7px;align-items:center;text-decoration:none;background:var(--color-primary);color:var(--color-primary-content);font-weight:800;border-radius:10px;padding:8px 11px}.listen a:hover{filter:brightness(1.05)}
.matrix-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}.matrix{width:100%;border-collapse:collapse;min-width:900px;background:var(--panel)}.matrix th,.matrix td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:11px;vertical-align:top}.matrix th{position:sticky;top:0;background:var(--panel2);text-align:left}.matrix td:first-child,.matrix th:first-child{position:sticky;left:0;background:var(--panel2);font-weight:800;z-index:2}.yes{color:var(--good);font-weight:800}.soft{color:var(--muted)}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tool{border:1px solid var(--line);background:var(--panel);border-radius:20px;padding:20px}.tool h3{margin-top:0}.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}.check{display:flex;gap:9px;align-items:flex-start;background:var(--panel2);padding:9px;border-radius:10px}.result{margin-top:14px;border-radius:14px;padding:15px;background:var(--color-surface-3);border:1px solid var(--line)}.bars{display:grid;gap:7px;margin-top:10px}.bar-row{display:grid;grid-template-columns:100px 1fr 40px;gap:9px;align-items:center}.bar{height:10px;background:var(--panel2);border-radius:999px;overflow:hidden}.bar>span{display:block;height:100%;background:var(--accent);width:0;transition:.3s}.quiz-q{font-size:1.1rem;font-weight:750}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.feedback{min-height:48px;color:var(--muted)}
.glossary-toolbar{display:flex;gap:10px;margin:14px 0}.glossary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.term{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:14px}.term b{color:var(--color-accent-text)}.term p{margin:.4em 0 0;color:var(--muted);font-size:.92rem}
.sources{display:grid;grid-template-columns:1fr 1fr;gap:10px}.source{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:14px}.source p{color:var(--muted);font-size:.9rem;margin:.35em 0}.source a{word-break:break-word}

@media (max-width:900px){.hero{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr)}.era-grid{grid-template-columns:1fr}.listen-row,.tools,.sources{grid-template-columns:1fr}.glossary{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.glossary{grid-template-columns:1fr}.checks{grid-template-columns:1fr}.quiz-options{grid-template-columns:1fr}.hero{padding-top:100px}.timeline{grid-template-columns:1fr 1fr}.era-head{display:block}}
@media(max-width:700px){.section-title{display:block}.section-title p{margin-top:7px}}
.yt-link{text-align:right}

/* Epoche vertieft (z. B. /musikgeschichte/mittelalter): gemeinsame Bausteine für alle Vertiefungsseiten */
.deep-toc{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 8px}
.deep-toc span{font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-right:4px}
.deep-toc a{display:inline-flex;align-items:center;min-height:36px;padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--color-accent-text);font-weight:700;text-decoration:none}
.deep-toc a:hover{border-color:var(--color-accent-strong)}
.deep-topic{margin-top:40px;scroll-margin-top:100px}
.deep-topic h2{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:0 0 10px}
.deep-lead{max-width:860px;font-size:1.04rem}
.deep-sub{font-size:1.15rem;margin:28px 0 10px}
.deep-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:14px}
.deep-grid .box h3{margin:0 0 8px;font-size:1.1rem}
.deep-grid .box a{display:inline-block;margin-top:6px;color:var(--color-accent-text);font-weight:700}
.deep-steps{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.deep-steps li{display:grid;grid-template-columns:130px 1fr;gap:4px 14px;align-items:baseline;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.deep-steps .when{font-weight:800;color:var(--color-accent-text);font-size:.9rem}
.deep-steps strong{display:block}
.g{font-family:"Noto Music",serif;font-weight:400;line-height:1.2}
.glyph-list{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.glyph{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:12px;text-align:center}
.glyph .g{display:block;font-size:3.2rem;min-height:4rem}
.glyph strong{display:block}
.glyph small{display:block;color:var(--muted);font-size:.84rem;line-height:1.4;margin-top:4px}
.deep-table{overflow-x:auto;margin-top:6px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.deep-table table{min-width:520px}
.deep-table thead th{color:var(--color-text);font-weight:800}
.deep-table caption{caption-side:bottom;text-align:left;padding:8px 12px;color:var(--muted);font-size:.85rem}
.deep-table td.g{font-size:2.3rem;line-height:1.1}
.deep-table td .g{font-size:1.6rem}
.deep-table td.rh{font-family:"Noto Music",serif;font-size:1.7rem;white-space:nowrap}
.chain,.tree{margin:10px 0 0;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.chain-row{display:flex;flex-wrap:wrap;gap:10px}
.chain-step{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:92px;padding:8px 10px;border:1px dashed var(--line);border-radius:10px}
.chain-step .g{font-size:2.4rem}
.chain-step .cnt{font-size:.8rem;color:var(--muted)}
.chain-step .val{font-weight:800;color:var(--color-accent-text);letter-spacing:.04em}
.chain figcaption,.tree figcaption{margin-top:10px;color:var(--muted);font-size:.92rem}
.tree{text-align:center}
.tree-row .g{font-size:2.4rem;letter-spacing:.06em}
.tree-row.small .g{font-size:1.7rem;letter-spacing:0}
.deep-check{margin-top:16px;border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:10px 14px}
.deep-check summary{cursor:pointer;font-weight:800;color:var(--color-accent-text);min-height:32px;display:flex;align-items:center}
.deep-sources{padding-left:20px;color:var(--muted)}
.deep-sources a{color:var(--color-accent-text)}
/* Hinweis auf eine Vertiefung in der Epochenkarte */
.deep-link{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-left:4px solid var(--color-accent-strong);border-radius:12px;background:var(--panel)}
.deep-link strong{margin-right:4px}
.deep-link a{color:var(--color-accent-text);font-weight:700}
@media (max-width:600px){.deep-steps li{grid-template-columns:1fr}}
/* Stimmen-Diagramm: wann welche Stimme was singt (Durchimitation, Tenorlied, später z. B. Fuge).
   Segmente über style="--s:Start;--l:Länge" auf einem Raster von 12 Einheiten */
.voices{margin:10px 0 0;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.voice{display:grid;grid-template-columns:70px 1fr;align-items:center;gap:10px;margin:6px 0}
.v-name{font-weight:700;font-size:.9rem}
.v-track{position:relative;height:30px;border-radius:8px;background:var(--panel2)}
.seg{position:absolute;top:3px;bottom:3px;left:calc(var(--s) / 12 * 100%);width:calc(var(--l) / 12 * 100% - 3px);display:flex;align-items:center;padding:0 8px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:.78rem;white-space:nowrap;overflow:hidden}
.seg.theme{background:var(--color-accent-strong);border-color:var(--color-accent-strong);color:var(--color-bg);font-weight:800}
.voices figcaption{margin-top:10px;color:var(--muted);font-size:.92rem}
.mass-parts{margin:0;padding-left:22px}
.mass-parts li{margin:.3em 0}
.madrigalisms{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:6px}
.madrigalisms li{display:flex;flex-wrap:wrap;gap:4px 8px;padding:6px 10px;border-radius:8px;background:var(--panel)}
.madrigalisms span{color:var(--muted)}
/* Generalbass-Übung (js/generalbass.js) */
.deep-rules{padding-left:20px}
.deep-rules li{margin:.35em 0}
.gb-trainer{margin-top:12px;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.gb-tabs{display:flex;flex-wrap:wrap;gap:8px}
.gb-tabs [aria-pressed="true"]{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-content)}
.gb-hint{margin:12px 0 6px;color:var(--muted)}
.gb-score-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--color-bg)}
.gb-score svg{display:block;width:100%;height:auto}
.gb-score svg *{fill:var(--color-text);stroke:var(--color-text)}
.gb-score svg text{stroke:none}
.gb-score svg .gb-fig{font-family:var(--font-body),"Noto Music",serif;font-size:15px;font-weight:700;stroke:none}
.gb-score svg .gb-ok{fill:var(--color-good);font-size:18px;font-weight:800}
.gb-score svg .gb-bad{fill:var(--color-bad);font-size:18px;font-weight:800}
.gb-score svg .gb-hit{fill:transparent;stroke:none;cursor:pointer;outline:none}
.gb-score svg .gb-hit:hover,.gb-score svg .gb-hit.is-focus{fill:color-mix(in srgb,var(--color-accent-strong) 10%,transparent)}
.gb-score svg .gb-hit:focus-visible,.gb-score svg .gb-hit.is-focus:focus{stroke:var(--color-accent-strong);stroke-width:2}
.gb-score svg .gb-ghost{fill:none;stroke:var(--color-accent-strong);stroke-width:1.6;pointer-events:none}
.gb-score svg .gb-ghost-line{stroke:var(--color-accent-strong);stroke-width:1.2;pointer-events:none}
.gb-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.gb-feedback{min-height:1.5em;margin:12px 0 0;font-weight:600}
.gb-feedback.is-ok{color:var(--color-good)}
.gb-feedback.is-bad{color:var(--color-bad)}
.gb-feedback.is-warn{color:var(--color-accent-text)}
.gb-list{margin:10px 0 0;padding-left:22px;color:var(--muted);font-size:.9rem}
.gb-list .is-ok::marker{color:var(--color-good)}
.gb-list .is-bad{color:var(--color-bad)}
kbd{font-family:var(--font-body);font-size:.85em;padding:1px 6px;border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;background:var(--panel)}
.gb-list-head{margin:12px 0 0;font-size:.85rem;font-weight:800;color:var(--muted)}