/* Dokumentation (Schritt 2, 12.10.2026): Fenster über dem Werkzeug und Seite /dokumentation.
   Fenster nach Design System (Dialog: --color-surface, --radius-3, --shadow-2, Abdunklung
   --color-overlay, ✕ 32 × 32), volle Höhe, Inhaltsverzeichnis links, Inhalt scrollt. */
.doku-bd{position:fixed;inset:0;z-index:99990;background:var(--color-overlay);display:flex;justify-content:center;padding:16px}
.doku-dlg{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-3);
  box-shadow:var(--shadow-2);width:min(1100px,100%);height:100%;display:flex;flex-direction:column;overflow:hidden;font-family:var(--font-sans)}
html:has(.doku-bd),body:has(.doku-bd){overflow:hidden}
.doku-kopf{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px 14px 20px;border-bottom:1px solid var(--color-border);flex:none}
.doku-titel{font-size:17px;font-weight:500;margin:0}
.doku-zu{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-2);
  color:var(--color-text-muted);background:none;border:1px solid transparent;cursor:pointer;font-size:14px;font-family:inherit}
@media (hover:hover){.doku-zu:hover{background:var(--color-surface-2);color:var(--color-text)}}
.doku-zu:focus-visible,.doku-toc a:focus-visible{outline:none;border-color:var(--color-text);box-shadow:var(--focus-ring)}
.doku-rumpf{display:flex;flex:1;min-height:0}
.doku-toc{width:230px;flex:none;overflow-y:auto;scrollbar-width:thin;border-right:1px solid var(--color-border);padding:12px 8px}
.doku-toc a{display:block;padding:4px 9px;border:1px solid transparent;font-size:13px;line-height:1.4;color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-2)}
.doku-toc a.doku-toc-k{color:var(--color-text);font-weight:500;margin-top:10px}
.doku-toc a.doku-toc-k:first-child{margin-top:0}
@media (hover:hover){.doku-toc a:hover{background:var(--color-surface-2);color:var(--color-text)}}
.doku-toc a.aktiv{background:var(--color-surface-selected);color:var(--color-text)}
.doku-inhalt{flex:1;min-width:0;overflow-y:auto;overflow-x:hidden;padding:22px 28px 40px;scroll-padding-top:12px}
.doku-kapitel+.doku-kapitel{margin-top:36px;padding-top:24px;border-top:1px solid var(--color-border)}
.doku-k-titel{font-size:11px;font-weight:500;letter-spacing:var(--type-label-track);text-transform:uppercase;color:var(--color-text-muted);margin:0 0 10px}
.doku-teil+.doku-teil{margin-top:28px}
.doku-fehler{font-size:13px;color:var(--color-text-muted)}
/* Seite /dokumentation: dieselbe Fläche ohne Abdunklung */
.doku-seite{max-width:1100px;margin:0 auto;padding:calc(var(--app-nav-h,50px) + 16px) 16px 24px;height:100vh;box-sizing:border-box}
.doku-seite .doku-dlg{box-shadow:none}
@media (max-width:720px){
  .doku-bd{padding:0}
  .doku-dlg{border-radius:0;border:0}
  .doku-rumpf{flex-direction:column}
  .doku-toc{width:auto;display:flex;gap:4px;overflow-x:auto;overflow-y:hidden;border-right:0;border-bottom:1px solid var(--color-border);padding:8px}
  .doku-toc a{white-space:nowrap}
  .doku-toc a:not(.doku-toc-k){display:none}
  .doku-toc a.doku-toc-k{margin-top:0}
  .doku-inhalt{padding:16px 16px 32px}
  .doku-seite{padding-left:0;padding-right:0}
  .doc-grid2,.doc-grid4{grid-template-columns:1fr}
}

/* Inhalt (aus Fair Value Pro übernommen, auf Design-System-Tokens) */
.doc-h2{font-size:17px;font-weight:600;margin-bottom:10px;color:var(--color-text)}
.doc-h3{font-size:13px;font-weight:600;margin:18px 0 8px;color:var(--color-text);padding-bottom:4px;border-bottom:1px solid var(--border-light)}
.doc-p{font-size:13px;color:var(--text-2);line-height:1.75;margin-bottom:8px}
.doc-note{font-size:11px;color:var(--color-text-muted);font-style:italic}
.doc-formula{font-family:var(--font-mono);background:var(--color-surface-2);padding:9px 14px;border-radius:var(--radius-2);
  font-size:12px;color:var(--color-text);margin:10px 0;border-left:3px solid var(--color-border-strong)}
.doc-table-wrap{overflow-x:auto;margin:8px 0 12px}
.doc-table{width:100%;border-collapse:collapse;}
.doc-table th{background:var(--color-surface-2);padding:7px 10px;text-align:left;
  border:1px solid var(--color-border);}
.doc-table td{padding:6px 10px;border:1px solid var(--color-border);color:var(--text-2);vertical-align:top}
@media (hover:hover){.doc-table tr:hover td{background:var(--color-surface-2)}}
.doc-grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
.doc-grid3{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.doc-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
.doc-card{padding:10px 12px;border-radius:var(--radius-2);border:1px solid var(--color-border);
  background:var(--color-surface);font-size:12px;color:var(--text-2);line-height:1.5}
.doc-card p{font-size:11px;color:var(--color-text-muted);margin-top:5px}
.doc-card-blue,.doc-card-green{border-left:3px solid var(--color-border-strong);background:var(--color-surface-2)}
.doc-chip{padding:4px 12px;background:var(--color-surface-2);border:1px solid var(--color-border);
  border-radius:var(--radius-2);font-size:11px;color:var(--text-2)}
.doc-mini{padding:6px 9px;background:var(--color-surface-2);border-radius:var(--radius-2);font-size:11px;color:var(--text-2)}
.doc-steps{display:flex;flex-direction:column;gap:10px;margin:8px 0}
.doc-step{display:flex;align-items:flex-start;gap:12px;font-size:13px;color:var(--text-2);line-height:1.6}
.doc-step-n{width:26px;height:26px;border-radius:var(--radius-full);background:transparent;border:1px solid var(--color-border-strong);box-sizing:border-box;color:var(--color-text);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0}
.doc-list{font-size:13px;color:var(--text-2);line-height:1.8;padding-left:18px}
.doc-list li{margin-bottom:3px}
.doc-note-box{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-2);
  padding:11px 14px;font-size:12px;color:var(--color-text);margin:10px 0}
.doc-warning-box{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-2);
  padding:11px 14px;font-size:12px;color:var(--color-text);margin:10px 0}
/* Warnkasten: die Farbe nur am Symbol „!“ (Design System, Familie B) */
.warn-sym{font-family:var(--font-mono);color:var(--color-warning);font-weight:500}