:root{
    --paper:#F1ECE2; --card:#FBF8F2; --ink:#2A2722; --ink-soft:#585249; --ink-faint:#645D51;
    --line:#E4DDCF; --line-soft:#EEE8DC;
    --pressure:#B0322A; --pressure-2:#E0483B;
    --volume:#0E7C7B; --volume-2:#2BB3AE;
    --accent:#C15F3C; --accent-ink:#9C4527;
    --warn:#9E6A12; --warn-bg:#F6ECD6; --warn-line:#E6CE9C;
    --panel:#0D1417; --grid:rgba(140,200,200,.10);
    --good:#1F7A4D; --good-bg:#E7F0E8;
    --maxw:1260px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--paper);color:var(--ink);font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
  em,i{font-style:normal}
  ::selection{background:#0E7C7B33}

  .topbar{position:sticky;top:0;z-index:40;background:var(--panel);color:#E8EEEF;border-bottom:1px solid #20313a}
  .topbar-in{max-width:var(--maxw);margin:0 auto;padding:13px 24px;display:flex;align-items:center;gap:18px}
  .brand{display:flex;align-items:baseline;gap:12px;min-width:0}
  .brand .mark{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:700;font-size:13px;letter-spacing:.12em;color:var(--accent)}
  .brand h1{font-family:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-weight:600;font-size:16px;letter-spacing:-.01em;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .progress-wrap{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}
  .progress-track{width:120px;height:5px;background:#22343d;border-radius:99px;overflow:hidden}
  .progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--pressure-2));transition:width .35s ease}
  .progress-num{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;color:#9FB0B4;letter-spacing:.04em}
  .legende-btn{background:transparent;border:1px solid #2c4049;color:#CBD7D9;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.08em;padding:7px 12px;border-radius:7px;cursor:pointer;text-transform:uppercase}
  .legende-btn:hover{border-color:var(--volume-2);color:#fff}

  .shell{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:256px 1fr;gap:40px;align-items:start}
  nav.stepper{position:sticky;top:76px;padding:28px 0;align-self:start;max-height:calc(100vh - 90px);overflow-y:auto}
  .stepper .phase{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);padding:14px 12px 6px;border-left:2px solid transparent}
  .stepper ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1px}
  .step-link{display:grid;grid-template-columns:30px 1fr;align-items:center;gap:9px;width:100%;text-align:left;background:transparent;border:0;border-left:2px solid var(--line);padding:8px 12px;cursor:pointer;color:var(--ink-soft);border-radius:0 8px 8px 0;transition:background .15s,color .15s,border-color .15s}
  .step-link .sn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:var(--ink-faint)}
  .step-link .st{font-size:13px;font-weight:500;line-height:1.2}
  .step-link:hover{background:#fff;color:var(--ink)}
  .step-link.active{border-left-color:var(--pressure);background:#fff;color:var(--ink)}
  .step-link.active .sn{color:var(--pressure)}

  main{padding:30px 0 96px;min-width:0}
  .module{display:none;animation:fade .35s ease}
  .module.show{display:block}
  @keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

  .eyebrow{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:10px;display:flex;gap:10px;align-items:center}
  .eyebrow .dot{width:6px;height:6px;border-radius:99px;background:var(--accent)}
  h2{font-family:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-weight:600;font-size:clamp(25px,3.2vw,36px);line-height:1.08;letter-spacing:-.02em;margin:0 0 16px}
  h3{font-family:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-weight:600;font-size:19px;letter-spacing:-.01em;margin:34px 0 12px}
  h4{font-family:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-weight:600;font-size:15px;margin:22px 0 8px}
  .lead{font-size:18px;color:var(--ink-soft);max-width:64ch;margin:0 0 8px}
  p{max-width:68ch}
  .var{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#0e7c7b14;color:#0a5f5e;padding:1px 5px;border-radius:4px;font-size:.9em}
  .formula{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--panel);color:#DDEAEB;padding:13px 17px;border-radius:10px;font-size:14.5px;overflow-x:auto;margin:14px 0;border:1px solid #1d2d34}
  .formula b{color:var(--volume-2);font-weight:500}
  .formula .red{color:var(--pressure-2)}

  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
  .keycard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
  .keycard h4{margin:0 0 5px;font-size:14.5px}
  .keycard p{margin:0;font-size:14px;color:var(--ink-soft)}
  .keycard .kch{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:var(--volume);letter-spacing:.06em}

  .callout{display:grid;grid-template-columns:28px 1fr;gap:13px;padding:15px 17px;border-radius:11px;margin:18px 0;font-size:14.5px}
  .callout p{margin:0;max-width:none}
  .callout .ic{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:700;font-size:15px;text-align:center}
  .pitfall{background:var(--warn-bg);border:1px solid var(--warn-line)}
  .pitfall .ic{color:var(--warn)} .pitfall strong{color:var(--warn)}
  .tip{background:var(--good-bg);border:1px solid #BFE0CD}
  .tip .ic{color:var(--good)} .tip strong{color:var(--good)}
  .note{background:#eef3f4;border:1px solid var(--line)}
  .note .ic{color:var(--volume)}

  ul.clean{padding-left:0;list-style:none;margin:14px 0;max-width:68ch}
  ul.clean li{padding:8px 0 8px 26px;border-bottom:1px solid var(--line-soft);position:relative;font-size:15px}
  ul.clean li:last-child{border-bottom:0}
  ul.clean li::before{content:"";position:absolute;left:4px;top:16px;width:7px;height:7px;border:1.5px solid var(--volume);border-radius:2px;transform:rotate(45deg)}
  ul.clean li b{font-weight:600}
  ol.steps{counter-reset:s;list-style:none;padding-left:0;max-width:68ch}
  ol.steps li{counter-increment:s;position:relative;padding:10px 0 10px 42px;border-bottom:1px solid var(--line-soft);font-size:15px}
  ol.steps li:last-child{border-bottom:0}
  ol.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:10px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;color:#fff;background:var(--ink);width:26px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center}
  ol.steps li b{font-weight:600}

  figure{margin:24px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card)}
  figure.dark{background:var(--panel);border-color:#1d2d34}
  .fig-cap{padding:12px 18px;font-size:13px;color:var(--ink-soft);border-top:1px solid var(--line-soft)}
  figure.dark .fig-cap{color:#9FB0B4;border-top-color:#1d2d34}
  .fig-cap b{color:var(--ink);font-weight:600}
  figure.dark .fig-cap b{color:#E8EEEF}
  .fig-pad{padding:18px}
  svg{display:block;max-width:100%;height:auto}

  .controls{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 6px}
  .tog{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.04em;text-transform:uppercase;background:#16242b;color:#9FB0B4;border:1px solid #243640;padding:7px 11px;border-radius:7px;cursor:pointer;transition:.15s}
  .tog[aria-pressed="true"]{background:#1d3540;color:#fff;border-color:var(--volume-2)}
  .tog.p[aria-pressed="true"]{border-color:var(--pressure-2)}
  .play-btn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--volume-2);color:#06201f;border:0;padding:8px 14px;border-radius:7px;cursor:pointer;font-weight:700}
  .play-btn:hover{background:#3ec8c2}

  .sliderbox{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;padding:10px 18px 16px}
  .sliderbox .sl{display:flex;flex-direction:column;gap:3px}
  .sliderbox label{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:#9FB0B4;letter-spacing:.05em;text-transform:uppercase;display:flex;justify-content:space-between}
  .sliderbox label b{color:#fff;font-weight:500}
  input[type=range]{accent-color:var(--volume-2);width:100%}
  .readout{display:flex;gap:16px;flex-wrap:wrap;padding:2px 18px 16px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:#CBD7D9}
  .readout span b{color:#fff;font-weight:500}
  .readout .coup{color:var(--volume-2)} .readout .coup.bad{color:var(--pressure-2)}
  .scrub-row{display:flex;align-items:center;gap:14px;padding:4px 18px 16px;flex-wrap:wrap}
  .scrub-row input[type=range]{width:240px}
  .phase-badge{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:#06201f;background:var(--volume-2);padding:5px 11px;border-radius:99px;font-weight:700}

  .seg-hit{cursor:pointer}
  .seg-info{padding:0 18px 18px;font-size:14px;color:var(--ink-soft);min-height:44px}
  .seg-info b{color:var(--ink)}
  figure.dark .seg-info{color:#CBD7D9}
  figure.dark .seg-info b{color:#E8EEEF}
  .scn-bar{display:flex;flex-wrap:wrap;gap:7px;padding:14px 18px 4px;border-top:1px solid #16242b}
  .scn-btn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;background:#13212a;color:#9FB0B4;border:1px solid #243640;padding:7px 11px;border-radius:7px;cursor:pointer;transition:.15s}
  .scn-btn:hover{border-color:var(--volume-2);color:#fff}
  .scn-btn.on{background:#1d3540;color:#fff;border-color:var(--volume-2)}
  .scn-info{padding:8px 18px 16px;font-size:13.5px;color:var(--ink-soft);min-height:48px}
  .scn-info b{color:var(--ink)} .scn-info .pap{display:block;margin-top:4px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;color:var(--volume-2)}
  figure.dark .scn-info{color:#CBD7D9}
  figure.dark .scn-info b{color:#E8EEEF}
  .hot{cursor:pointer}
  .hot .hbox{transition:.15s}
  .hot:hover .hbox{stroke:var(--volume-2)}
  .hot.sel .hbox{stroke:var(--volume-2);stroke-width:2.4}
  .hot-info{padding:8px 18px 16px;font-size:13.5px;color:var(--ink-soft);min-height:46px}
  .hot-info b{color:var(--ink)} .hot-info .pap{display:block;margin-top:4px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;color:var(--volume-2)}
  .va-btn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;background:#13212a;color:#9FB0B4;border:1px solid #243640;padding:7px 11px;border-radius:7px;cursor:pointer}
  .va-btn.on{background:#1d3540;color:#fff;border-color:var(--volume-2)}
  .case-wrap{padding:12px 18px 4px;border-top:1px solid #16242b}
  .cat-row{margin:8px 0 2px}
  .cat-label{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#6f868c;margin-bottom:5px}
  .cat-btns{display:flex;flex-wrap:wrap;gap:6px}
  .case-btn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;background:#13212a;color:#9FB0B4;border:1px solid #243640;padding:6px 10px;border-radius:7px;cursor:pointer;transition:.15s}
  .case-btn:hover{border-color:var(--volume-2);color:#fff}
  .case-btn.on{background:#1d3540;color:#fff;border-color:var(--volume-2)}
  .hemo{display:flex;gap:14px;flex-wrap:wrap;padding:10px 18px 6px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;color:#CBD7D9}
  .hemo span b{color:#fff;font-weight:500}
  .hemo .hl{color:var(--volume-2)} .hemo .hl.bad{color:var(--pressure-2)}
  .case-ctx{padding:6px 18px 16px;font-size:13.5px;color:var(--ink-soft);min-height:54px}
  .case-ctx b{color:var(--ink)} .case-ctx .pap{display:block;margin-top:4px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;color:var(--volume-2)}
  .morph-tabs{display:flex;gap:6px;padding:16px 18px 0;flex-wrap:wrap}
  .morph-tab{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.04em;text-transform:uppercase;background:#fff;border:1px solid var(--line);color:var(--ink-soft);padding:7px 12px;border-radius:7px;cursor:pointer}
  .morph-tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}

  table.tbl{width:100%;border-collapse:collapse;margin:18px 0;font-size:13.5px}
  table.tbl th,table.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
  table.tbl th{font-family:"Space Grotesk";font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);background:#eef3f4}
  table.tbl td b{font-weight:600}
  .badge{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.03em;padding:3px 8px;border-radius:99px;white-space:nowrap;font-weight:700}
  .b-gold{background:#0E7C7B;color:#fff}
  .b-val{background:var(--good-bg);color:var(--good);border:1px solid #BFE0CD}
  .b-part{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn-line)}
  .b-no{background:#f6e3e1;color:var(--pressure);border:1px solid #e7bdb8}

  .checklist{margin:16px 0}
  .chk{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);margin-bottom:8px;cursor:pointer;transition:.15s}
  .chk:hover{border-color:var(--volume)}
  .chk input{margin-top:4px;width:16px;height:16px;accent-color:var(--volume)}
  .chk .ct{font-size:14.5px}
  .chk .ct small{display:block;color:var(--ink-faint);font-size:12.5px;margin-top:2px}
  .chk.done{background:var(--good-bg);border-color:#BFE0CD}
  .chk.done .ct{text-decoration:line-through;color:var(--ink-faint)}
  .chk-meter{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;color:var(--ink-soft);margin:6px 0 14px}

  .modnav{display:flex;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid var(--line)}
  .modnav button{font-family:"Space Grotesk";font-size:14px;font-weight:500;background:var(--card);border:1px solid var(--line);color:var(--ink);padding:11px 18px;border-radius:9px;cursor:pointer;transition:.15s}
  .modnav button:hover:not(:disabled){border-color:var(--pressure);color:var(--pressure)}
  .modnav button:disabled{opacity:.35;cursor:default}
  .modnav .next{background:var(--ink);color:#fff;border-color:var(--ink)}
  .modnav .next:hover{background:var(--pressure);border-color:var(--pressure);color:#fff}

  .drawer-bg{position:fixed;inset:0;background:#0b1113aa;z-index:60;display:none}
  .drawer-bg.open{display:block}
  .drawer{position:fixed;top:0;right:0;height:100%;width:min(440px,92vw);background:var(--card);z-index:61;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;box-shadow:-20px 0 50px #0b111330}
  .drawer.open{transform:none}
  .drawer-head{position:sticky;top:0;background:var(--panel);color:#fff;padding:18px 22px;display:flex;justify-content:space-between;align-items:center}
  .drawer-head h3{margin:0;color:#fff;font-size:16px}
  .drawer-close{background:none;border:0;color:#9FB0B4;font-size:22px;cursor:pointer;line-height:1}
  .drawer-body{padding:8px 22px 40px}
  .gl{display:grid;grid-template-columns:88px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--line-soft);font-size:13.5px}
  .gl dt{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:700;color:var(--volume);font-size:13px}
  .gl dd{margin:0;color:var(--ink-soft)}

  .sources{margin-top:8px;font-size:13.5px;color:var(--ink-soft)}
  .sources h4{margin:18px 0 6px;color:var(--ink)}
  .sources ul{padding-left:18px;max-width:78ch;margin:0}
  .sources li{margin-bottom:6px;line-height:1.4}

  @media (max-width:900px){
    .shell{grid-template-columns:1fr;gap:0}
    nav.stepper{position:static;padding:12px 0;border-bottom:1px solid var(--line);max-height:none}
    .stepper ol{flex-direction:row;overflow-x:auto;gap:6px;padding-bottom:4px}
    .stepper .phase{display:none}
    .step-link{grid-template-columns:1fr;border-left:0;border-bottom:2px solid var(--line);border-radius:0;min-width:118px;padding:8px 10px}
    .step-link .st{font-size:12px}
    .step-link.active{border-bottom-color:var(--pressure)}
    .grid2,.grid3{grid-template-columns:1fr}
    .sliderbox{grid-template-columns:1fr}
    main{padding-top:18px}
    table.tbl{font-size:12.5px}
  }
  @media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
  .tog:focus-visible,.scn-btn:focus-visible,.play-btn:focus-visible,.case-btn:focus-visible,.va-btn:focus-visible,.morph-tab:focus-visible,.lvscn-btn:focus-visible,.rhc-btn:focus-visible,.forr-btn:focus-visible{outline-color:var(--volume-2)}

/* =====================================================================
   PV-LOOP-TRAINER — Plattform-Erweiterungen (Hub, Nav, Suche, Quiz,
   Fortschritt). Nutzt dieselben Tokens wie das Basis-Stylesheet.
   ===================================================================== */

/* ---- Cross-Page Topbar / Track-Navigation ---- */
.topbar-in{flex-wrap:wrap;gap:10px 18px}
a.brand{text-decoration:none;color:inherit}
a.brand:hover h1{color:#fff}
.tracknav{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.tracknav a{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.04em;text-transform:uppercase;
  color:#9FB0B4;text-decoration:none;padding:7px 10px;border-radius:7px;border:1px solid transparent;white-space:nowrap;transition:.15s}
.tracknav a:hover{color:#fff;background:#16242b}
.tracknav a.active{color:#fff;background:#1d3540;border-color:var(--accent)}
.tracknav a .tn-n{color:var(--accent);margin-right:5px}
.topbar-tools{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.tool-btn{background:transparent;border:1px solid #2c4049;color:#CBD7D9;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;
  letter-spacing:.06em;padding:7px 12px;border-radius:7px;cursor:pointer;text-transform:uppercase;display:flex;align-items:center;gap:7px}
.tool-btn:hover{border-color:var(--accent);color:#fff}
.tool-btn .kbd{font-size:9.5px;opacity:.7;border:1px solid #3a4f57;border-radius:4px;padding:0 4px}

/* ---- Stepper: besucht-Markierung ---- */
.step-link .check{margin-left:auto;color:var(--good);font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;opacity:0}
.step-link.visited .check{opacity:1}
.step-link{grid-template-columns:30px 1fr auto}

/* ---- Globale Suche (Overlay) ---- */
.search-ov{position:fixed;inset:0;background:#0b1113cc;z-index:80;display:none;padding-top:12vh}
.search-ov.open{display:block;animation:fade .2s ease}
.search-panel{max-width:680px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 30px 80px #0b111360;overflow:hidden}
.search-head{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line-soft)}
.search-head svg{flex-shrink:0}
#searchInput{flex:1;border:0;outline:0;font-family:"Space Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:19px;background:transparent;color:var(--ink)}
.search-head .kbd{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:var(--ink-faint);border:1px solid var(--line);border-radius:5px;padding:2px 7px}
.search-results{max-height:56vh;overflow-y:auto;padding:8px}
.sr-item{display:block;width:100%;text-align:left;background:transparent;border:0;border-radius:10px;padding:12px 14px;cursor:pointer;text-decoration:none;color:inherit}
.sr-item:hover,.sr-item.sel{background:#eef3f4}
.sr-track{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--pressure)}
.sr-title{font-family:"Space Grotesk";font-weight:600;font-size:15px;margin:2px 0}
.sr-snip{font-size:13px;color:var(--ink-soft);line-height:1.4}
.sr-snip mark{background:#2BB3AE33;color:inherit;border-radius:3px;padding:0 2px}
.sr-empty{padding:30px;text-align:center;color:var(--ink-faint);font-size:14px}

/* ---- Hub / Landing ---- */
.hub{max-width:var(--maxw);margin:0 auto;padding:0 24px 90px}
.hero{padding:54px 0 26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.hero .eyebrow{margin-bottom:14px}
.hero h1{font-family:"Space Grotesk";font-weight:700;font-size:clamp(32px,5vw,56px);line-height:1.02;letter-spacing:-.025em;margin:0 0 18px;max-width:18ch}
.hero p.lead{font-size:20px;max-width:70ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn-primary{font-family:"Space Grotesk";font-weight:600;font-size:15px;background:var(--ink);color:#fff;border:1px solid var(--ink);
  padding:13px 22px;border-radius:10px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:9px;transition:.15s}
.btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
.btn-ghost{font-family:"Space Grotesk";font-weight:500;font-size:15px;background:var(--card);color:var(--ink);border:1px solid var(--line);
  padding:13px 22px;border-radius:10px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:9px;transition:.15s}
.btn-ghost:hover{border-color:var(--accent)}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap;margin-top:30px}
.hero-stat .n{font-family:"Space Grotesk";font-weight:700;font-size:30px;color:var(--ink);line-height:1}
.hero-stat .l{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin-top:5px}

.sec-title{font-family:"Space Grotesk";font-weight:600;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);
  margin:0 0 16px;display:flex;align-items:center;gap:12px}
.sec-title::after{content:"";flex:1;height:1px;background:var(--line)}

.trackgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:16px;margin-bottom:46px}
.trackcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;
  text-decoration:none;color:inherit;transition:.18s;position:relative;overflow:hidden}
.trackcard:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 34px #2a272214}
.trackcard .tc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}
.trackcard .tc-phase{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink)}
.trackcard .tc-num{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:var(--ink-faint)}
.trackcard h3{font-family:"Space Grotesk";font-weight:600;font-size:21px;margin:0 0 8px;letter-spacing:-.01em}
.trackcard p{font-size:14px;color:var(--ink-soft);margin:0 0 16px;flex:1}
.trackcard .tc-chaps{font-size:12.5px;color:var(--ink-faint);line-height:1.5;border-top:1px solid var(--line-soft);padding-top:12px}
.trackcard .tc-prog{height:5px;background:var(--line-soft);border-radius:99px;overflow:hidden;margin-top:14px}
.trackcard .tc-prog i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-ink));width:0;transition:width .5s ease}
.trackcard .tc-progn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;color:var(--ink-faint);margin-top:6px}
.trackcard.is-new::after{content:"NEU";position:absolute;top:16px;right:-30px;background:var(--accent-ink);color:#fff;
  font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.12em;padding:3px 34px;transform:rotate(45deg)}

/* ---- Fortschritts-Dashboard ---- */
.dash{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center;background:var(--panel);border-radius:18px;
  padding:30px 34px;margin-bottom:46px;color:#E8EEEF}
.dash .ring{position:relative;width:128px;height:128px}
.dash .ring svg{transform:rotate(-90deg)}
.dash .ring .rt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.dash .ring .rt b{font-family:"Space Grotesk";font-weight:700;font-size:30px;color:#fff;line-height:1}
.dash .ring .rt span{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#9FB0B4;margin-top:3px}
.dash-bars{display:flex;flex-direction:column;gap:11px}
.dash-bar .db-top{display:flex;justify-content:space-between;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;color:#CBD7D9;margin-bottom:4px}
.dash-bar .db-top b{color:#fff;font-weight:500}
.dash-bar .db-track{height:6px;background:#22343d;border-radius:99px;overflow:hidden}
.dash-bar .db-track i{display:block;height:100%;background:linear-gradient(90deg,var(--volume-2),var(--pressure-2));width:0;transition:width .6s ease}
.dash-reset{background:transparent;border:1px solid #2c4049;color:#9FB0B4;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;
  letter-spacing:.06em;text-transform:uppercase;padding:6px 11px;border-radius:7px;cursor:pointer;margin-top:14px}
.dash-reset:hover{border-color:var(--pressure-2);color:#fff}

/* ---- Cross-Links zwischen Kapiteln ---- */
.crosslinks{margin:30px 0 8px}
.relgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:12px}
.relcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:11px;padding:13px 15px;text-decoration:none;color:inherit;transition:.15s}
.relcard:hover{border-color:var(--volume);transform:translateY(-1px)}
.relcard .rl-track{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--pressure)}
.relcard .rl-title{font-family:"Space Grotesk";font-weight:600;font-size:14px;margin-top:3px}

/* ---- Quiz ---- */
.quizhead{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:end;margin-bottom:10px}
.quiz-filters{display:flex;gap:7px;flex-wrap:wrap;margin:8px 0 22px}
.qf-btn{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;background:var(--card);border:1px solid var(--line);color:var(--ink-soft);
  padding:7px 12px;border-radius:8px;cursor:pointer;transition:.15s}
.qf-btn:hover{border-color:var(--volume)}
.qf-btn.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.q-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-bottom:16px}
.q-meta{display:flex;justify-content:space-between;align-items:center;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;color:var(--ink-faint);margin-bottom:10px}
.q-meta .q-track{color:var(--pressure);letter-spacing:.06em;text-transform:uppercase}
.q-stem{font-family:"Space Grotesk";font-weight:600;font-size:17px;line-height:1.35;margin:0 0 16px}
.q-stem .var{font-weight:500}
.q-opts{display:flex;flex-direction:column;gap:9px}
.q-opt{display:grid;grid-template-columns:26px 1fr;gap:11px;align-items:start;text-align:left;background:#fff;border:1px solid var(--line);
  border-radius:10px;padding:12px 15px;cursor:pointer;font-size:14.5px;transition:.13s;color:var(--ink)}
.q-opt:hover:not(:disabled){border-color:var(--volume)}
.q-opt .ol{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;font-weight:700;color:var(--ink-faint);border:1px solid var(--line);border-radius:6px;
  width:24px;height:24px;display:flex;align-items:center;justify-content:center}
.q-opt.correct{background:var(--good-bg);border-color:#BFE0CD}
.q-opt.correct .ol{background:var(--good);color:#fff;border-color:var(--good)}
.q-opt.wrong{background:#f6e3e1;border-color:#e7bdb8}
.q-opt.wrong .ol{background:var(--pressure);color:#fff;border-color:var(--pressure)}
.q-opt:disabled{cursor:default}
.q-explain{margin-top:14px;padding:13px 16px;border-radius:10px;background:#eef3f4;border:1px solid var(--line);font-size:14px;color:var(--ink-soft);display:none}
.q-explain.show{display:block;animation:fade .25s ease}
.q-explain b{color:var(--ink)}
.q-explain .src{display:block;margin-top:6px;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;color:var(--volume)}
.quiz-score{position:sticky;bottom:0;background:var(--panel);color:#E8EEEF;border-radius:13px;padding:15px 22px;display:flex;
  align-items:center;gap:20px;flex-wrap:wrap;margin-top:22px}
.quiz-score .qs-n{font-family:"Space Grotesk";font-weight:700;font-size:26px;color:#fff}
.quiz-score .qs-l{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#9FB0B4}
.quiz-score .qs-bar{flex:1;min-width:120px;height:7px;background:#22343d;border-radius:99px;overflow:hidden}
.quiz-score .qs-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--volume-2),var(--pressure-2));width:0;transition:width .5s}
.quiz-restart{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;background:var(--volume-2);
  color:#06201f;border:0;padding:9px 15px;border-radius:8px;cursor:pointer;font-weight:700}

/* ---- Kapiteleinstieg / Mini-Quiz im Track ---- */
.chapter-quiz{margin-top:30px;border-top:1px dashed var(--line);padding-top:8px}

/* ---- diverse ---- */
.lvrv{--pressure:#B0322A}
.tag{display:inline-block;font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;
  background:#0e7c7b14;color:#0a5f5e;border-radius:5px;padding:2px 8px;margin-right:6px}
.hubfoot{border-top:1px solid var(--line);margin-top:30px;padding-top:24px;font-size:13px;color:var(--ink-faint);max-width:80ch}
.site-foot{max-width:var(--maxw);margin:48px auto 0;padding:18px 24px 30px;border-top:1px solid var(--line);color:var(--ink-faint);font-size:12.5px;line-height:1.65}
.site-foot p{margin:0;max-width:90ch}

@media (max-width:900px){
  .dash{grid-template-columns:1fr;text-align:center}
  .dash .ring{margin:0 auto}
  .topbar-in{flex-wrap:wrap;gap:10px 14px}
  .tracknav{order:3;flex-basis:100%;flex-wrap:nowrap;overflow-x:auto;gap:4px;padding-bottom:2px;-webkit-overflow-scrolling:touch}
  .hero h1{font-size:34px}
}
@media print{
  .topbar,nav.stepper,.modnav,.controls,.sliderbox,.scrub-row,.search-ov,.drawer,.drawer-bg,.quiz-filters,.tool-btn{display:none!important}
  .shell{grid-template-columns:1fr}
  .module{display:block!important}
  body{background:#fff}
  figure{break-inside:avoid}
}

/* ---- Pro-Kapitel-Referenzliste ---- */
.chapter-refs{margin:32px 0 4px;border-top:1px solid var(--line);padding-top:8px}
.chapter-refs ol{margin:10px 0 0;padding-left:22px;max-width:82ch}
.chapter-refs li{font-size:13px;color:var(--ink-soft);line-height:1.5;margin-bottom:6px}
.chapter-refs li a{color:var(--volume);text-decoration:none}
.chapter-refs li a:hover{text-decoration:underline}