/* Anatomie eines Transits – an das Antares-Theme angepasst (immer dunkel, nur Seitenschrift) */

.transit-story{
  --bg:var(--antares-primary-color,#151A1E); --surface:#1B2228; --ink:#DCE1E6; --muted:#8F99A3; --rule:#2B353E; --grid:rgba(220,227,238,.075);
  --star:#F0AC45; --starcore:#FFF2D4; --planet:var(--antares-contrast-color,#5aa9e6); --model:#45C3BD; --warn:#FF7D6C; --ok:#63CB8F; --silhouette:#05080E;
  --f-display:inherit; --f-body:inherit;
  --f-mono:inherit;
  color-scheme:dark;
}
/* Spectre/Theme-Vorgaben innerhalb der Story neutralisieren */
.transit-story :where(p,ul,ol,li,dl,dt,dd,h1,h2,h3,figure,details,summary){margin:0}
.transit-story :where(dt){font-weight:inherit}
.transit-story :where(h1,h2,h3){color:var(--ink)}
.transit-story [hidden]{display:none!important}
/* Layout: Scroll-Story. Pro Kapitel links die Erzählschritte, rechts eine mitlaufende Bühne aus Animation, Reglern und Formel. */
.transit-story,.transit-story *{box-sizing:border-box}

.transit-story{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));}

.transit-story .wrap{max-width:1280px;margin:0 auto}

.transit-story h1,.transit-story h2,.transit-story h3{font-family:var(--f-display);font-weight:650;text-wrap:balance;letter-spacing:-.01em;margin:0}

.transit-story p{margin:0}

.transit-story a{color:var(--planet)}

.transit-story .mono,.transit-story output,.transit-story dd,.transit-story .subst{font-family:var(--f-mono);font-variant-numeric:tabular-nums}


/* Kopf */
.transit-story .ts-hero{padding-block:56px 32px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:end;border-bottom:1px solid var(--rule)}


.transit-story .ts-hero h1{font-size:clamp(40px,6vw,76px);line-height:1.02}

.transit-story .ts-hero h1 em{font-style:normal;color:var(--star)}

.transit-story .ts-hero .lede{margin-top:20px;font-size:18px;max-width:58ch;color:var(--ink)}

.transit-story .ts-hero .note{margin-top:14px;font-size:14px;color:var(--muted);max-width:60ch}
.transit-story .ts-hero .easy{margin-top:14px;font-size:14px;max-width:60ch;padding:8px 12px;border-left:2px solid var(--star);background:var(--surface)}

.transit-story .toc{list-style:none;margin:0;padding:0;display:grid;gap:2px;counter-reset:toc}

.transit-story .toc a{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:7px 10px;border-radius:6px;text-decoration:none;color:var(--ink)}

.transit-story .toc a:hover,.transit-story .toc a:focus-visible{background:var(--surface)}

.transit-story .toc .n{font-family:var(--f-mono);font-size:12px;color:var(--star)}

.transit-story .toc .t{font-weight:500}

.transit-story .toc .f{font-family:var(--f-mono);font-size:12px;color:var(--muted);white-space:nowrap}


/* Kapitel */
.transit-story .chapter{padding-block:56px 24px;border-bottom:1px solid var(--rule)}

.transit-story .ch-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:start;margin-bottom:28px;max-width:900px}

.transit-story .ch-no{font-family:var(--f-display);font-size:64px;line-height:.9;color:var(--star);font-weight:500}


.transit-story .ch-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.12;margin-top:0}

.transit-story .ch-head .lede{margin-top:10px;max-width:64ch;color:var(--ink)}

.transit-story .ch-body{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:36px;align-items:start}

.transit-story .steps{display:flex;flex-direction:column;gap:0}

.transit-story .step{min-height:62vh;padding:18px 18px 18px 20px;border-left:2px solid var(--rule);cursor:pointer;transition:border-color .3s, background-color .3s}

.transit-story .step:last-child{min-height:40vh}

.transit-story .step.on{border-left-color:var(--star);background:color-mix(in srgb, var(--surface) 70%, transparent)}

.transit-story .step h3{font-size:21px;line-height:1.25;margin-bottom:8px}

.transit-story .step p+p{margin-top:10px}


.transit-story .step .eq{margin-top:12px;overflow-x:auto;color:var(--ink)}

.transit-story .step .real{margin-top:12px;font-size:14px;color:var(--muted);border-top:1px dashed var(--rule);padding-top:10px}

.transit-story .step .real b{color:var(--ink);font-weight:600}

.transit-story .stage{position:sticky;top:max(12px, env(safe-area-inset-top, 0px));background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:12px}

.transit-story .figwrap{position:relative}

.transit-story canvas.fig{display:block;width:100%;aspect-ratio:16/9;max-width:100%}

.transit-story .figbar{display:flex;gap:8px;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);font-family:var(--f-mono)}

.transit-story .figbar .src{min-width:0}

.transit-story .panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:18px;border-top:1px solid var(--rule);padding-top:12px}

.transit-story .controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px;align-content:start;min-width:0}

.transit-story .controls .seg{grid-column:1/-1}

.transit-story .ctl label{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:var(--muted)}

.transit-story .ctl label span{min-width:0}

.transit-story .ctl output{color:var(--ink);font-size:12.5px;white-space:nowrap}

.transit-story input[type=range]{width:100%;accent-color:var(--star);margin:2px 0 0}

.transit-story .seg{display:flex;flex-direction:column;gap:4px}

.transit-story .seg-l{font-size:13px;color:var(--muted)}

.transit-story .seg-b{display:flex;flex-wrap:wrap;gap:4px}

.transit-story button{font:inherit;font-size:12.5px;color:var(--ink);background:transparent;border:1px solid var(--rule);border-radius:999px;padding:3px 10px;cursor:pointer;line-height:1.5}

.transit-story button:hover{border-color:var(--muted)}

.transit-story button[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}

.transit-story button:focus-visible,.transit-story input:focus-visible,.transit-story .step:focus-visible,.transit-story a:focus-visible{outline:2px solid var(--star);outline-offset:2px}

.transit-story .btnrow{display:flex;gap:6px;flex-wrap:wrap}

.transit-story .math{min-width:0;display:flex;flex-direction:column;gap:8px}

.transit-story .math .tex{overflow-x:auto;overflow-y:hidden;font-size:14px}

.transit-story .ro{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px;margin:0}

.transit-story .ro div{display:flex;justify-content:space-between;gap:6px;border-bottom:1px dotted var(--rule);padding-block:2px;min-width:0}

.transit-story .ro dt{font-size:12.5px;color:var(--muted);min-width:0}

.transit-story .ro dd{margin:0;font-size:12.5px;text-align:right}

.transit-story .legend{font-family:var(--f-body);display:grid;grid-template-columns:auto minmax(0,1fr);gap:3px 12px;margin:8px 0 2px;padding:9px 12px;background:var(--bg);border-radius:6px;font-size:13px;line-height:1.45}

.transit-story .legend div{display:contents}

.transit-story .legend dt{font-family:var(--f-mono);font-size:12.5px;color:var(--ink);white-space:nowrap}

.transit-story .legend dd{margin:0;color:var(--muted);min-width:0;font-family:var(--f-body)}

.transit-story .legend .gk{color:var(--star);font-style:italic}

.transit-story .legend-d summary{cursor:pointer;font-size:12.5px;color:var(--muted)}

.transit-story .legend-d summary:hover{color:var(--ink)}

.transit-story .legend-d .legend{max-height:180px;overflow-y:auto}

.transit-story .subst{font-size:12px;color:var(--muted);line-height:1.5;overflow-wrap:anywhere}

.transit-story .subst b{color:var(--ink);font-weight:500}

.transit-story .pill{display:inline-block;padding:0 7px;border-radius:999px;font-size:11.5px;font-family:var(--f-mono)}

.transit-story .pill.ok{color:var(--ok);border:1px solid var(--ok)}

.transit-story .pill.mid{color:var(--star);border:1px solid var(--star)}

.transit-story .pill.bad{color:var(--warn);border:1px solid var(--warn)}

.transit-story .bars{display:flex;align-items:flex-end;gap:3px;height:44px;margin-top:2px}

.transit-story .bars span{flex:1;background:var(--planet);opacity:.55;border-radius:2px 2px 0 0;min-width:0}

.transit-story .bars span.on{opacity:1;background:var(--star)}

.transit-story .foot{padding-block:40px 64px;color:var(--muted);font-size:14px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px}

.transit-story .foot h3{font-size:18px;color:var(--ink);margin-bottom:8px}

.transit-story .foot ul{margin:0;padding-left:18px}
@media (max-width: 960px){

  .transit-story .ts-hero{grid-template-columns:minmax(0,1fr)}

  .transit-story .ch-body{grid-template-columns:minmax(0,1fr)}

  .transit-story .stage{position:static;order:-1}

  .transit-story .step,.transit-story .step:last-child{min-height:0}

  .transit-story .panel{grid-template-columns:minmax(0,1fr)}

  .transit-story canvas.fig{aspect-ratio:4/5}

  .transit-story .foot{grid-template-columns:minmax(0,1fr)}
}

@media (max-width: 960px) and (min-width: 600px){
 .transit-story canvas.fig{aspect-ratio:4/3}
}

@media (max-width: 520px){
 .transit-story .ch-no{font-size:44px}
 .transit-story .ro{grid-template-columns:minmax(0,1fr)}
 .transit-story .controls{grid-template-columns:minmax(0,1fr)}
}


/* Abweichungen zur Einbettung in die Seite */
.transit-story{background:transparent;padding-left:0;padding-right:0;font-size:15px}
.transit-story .wrap{max-width:none}
.transit-story .ts-hero{padding:8px 0 32px}
.transit-story .ts-hero h1{font-size:clamp(32px,4.5vw,52px)}
.transit-story .step{display:block;list-style:none;width:auto}
.transit-story .panel{border:0;border-top:1px solid var(--rule);border-radius:0;box-shadow:none;flex-direction:initial}
.transit-story .stage{top:calc(var(--antares-header-height,5rem) + 12px)}
.transit-story .chapter{scroll-margin-top:calc(var(--antares-header-height,5rem) + 8px)}
.transit-story a:link,.transit-story a:visited{color:var(--planet)}
.transit-story .toc a:link,.transit-story .toc a:visited{color:var(--ink)}
.transit-story .foot{padding-bottom:0}
.transit-story .foot ul{padding-left:18px}
.transit-story .foot li{margin-top:2px}
.transit-story .ro{margin:0}
/* Bühne darf nie höher als der sichtbare Bereich unter dem Seitenkopf sein, sonst bleibt ihr unterer Teil beim Mitlaufen unerreichbar */
@media (min-width: 961px){
  .transit-story .stage{max-height:calc(100vh - var(--antares-header-height,5rem) - 24px);overflow-y:auto}
  .transit-story canvas.fig{max-height:calc(100vh - var(--antares-header-height,5rem) - 24px - 400px);min-height:240px}
}