/* ============================================================
   Dokumentation
   ------------------------------------------------------------
   Baut auf der Farbwelt der Startseite auf (landing.css) und
   ergänzt das dreispaltige Layout: Navigation, Text, Sprungmarken.
   ============================================================ */

.dk-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 210px;
  gap: 48px;
  align-items: start;
  padding: 40px 0 90px;
}

/* ---------------------------- Seitenleiste ---------------------------- */

.dk-nav {
  position: sticky; top: 88px; max-height: calc(100vh - 110px);
  overflow-y: auto; padding-right: 8px;
  scrollbar-width: thin; scrollbar-color: var(--lp-line) transparent;
}
.dk-nav::-webkit-scrollbar { width: 6px; }
.dk-nav::-webkit-scrollbar-thumb { background: var(--lp-line); border-radius: 3px; }

.dk-suche { position: relative; margin-bottom: 20px; }
.dk-suche input {
  width: 100%; padding: 9px 12px 9px 34px; border-radius: 10px;
  background: var(--lp-card-2); border: 1px solid var(--lp-line);
  color: var(--lp-text); font: inherit; font-size: .9rem; outline: none;
}
.dk-suche input:focus { border-color: var(--lp-akzent); box-shadow: 0 0 0 3px rgba(47, 123, 255, .16); }
.dk-suche input::placeholder { color: #5f7290; }
.dk-suche::before {
  content: "⌕"; position: absolute; left: 11px; top: 50%; transform: translateY(-52%);
  color: #5f7290; font-size: 1.05rem;
}

.dk-nav-gruppe { margin-bottom: 22px; }
.dk-nav-gruppe > span {
  display: block; font-size: .74rem; font-weight: 700; letter-spacing: .11em;
  text-transform: uppercase; color: #5f7290; margin-bottom: 8px; padding-left: 12px;
}
.dk-nav a {
  display: block; padding: 7px 12px; border-radius: 8px; font-size: .91rem;
  color: var(--lp-muted); border-left: 2px solid transparent; transition: color .15s, background .15s;
}
.dk-nav a:hover { color: var(--lp-text); background: rgba(255, 255, 255, .04); }
.dk-nav a.aktiv {
  color: var(--lp-akzent-2); background: rgba(47, 123, 255, .1);
  border-left-color: var(--lp-akzent-2); font-weight: 500;
}
.dk-nav .leer { color: #5f7290; font-size: .88rem; padding: 8px 12px; }

/* ---------------------------- Inhalt ---------------------------- */

.dk-inhalt { min-width: 0; }
.dk-inhalt > section { scroll-margin-top: 90px; padding-bottom: 54px; }
.dk-inhalt h1 { font-size: clamp(2rem, 4vw, 2.7rem); margin-bottom: 12px; }
.dk-inhalt h2 {
  font-size: 1.55rem; margin: 8px 0 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--lp-line);
}
.dk-inhalt h3 { font-size: 1.1rem; margin: 30px 0 10px; }
.dk-inhalt p { color: var(--lp-muted); margin-bottom: 14px; }
.dk-inhalt strong { color: var(--lp-text); }
.dk-inhalt ul, .dk-inhalt ol { color: var(--lp-muted); padding-left: 22px; margin: 0 0 16px; }
.dk-inhalt li { margin-bottom: 8px; }
.dk-inhalt a:not(.dk-btn) { color: var(--lp-akzent-2); }
.dk-inhalt a:not(.dk-btn):hover { text-decoration: underline; }

.dk-vorspann { color: var(--lp-muted); font-size: 1.08rem; margin-bottom: 34px; }

.dk-inhalt code {
  background: rgba(47, 123, 255, .1); border: 1px solid rgba(47, 123, 255, .2);
  padding: 1px 6px; border-radius: 5px; font-size: .87em; color: #b7d5ff;
}

/* Codeblock mit Kopierknopf */
.dk-code { position: relative; margin: 0 0 20px; }
.dk-code pre {
  margin: 0; padding: 18px 20px; overflow-x: auto;
  background: #070d18; border: 1px solid var(--lp-line); border-radius: 12px;
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .85rem;
  line-height: 1.7; color: #c6d4ec;
}
.dk-code pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }
.dk-kopieren {
  position: absolute; top: 9px; right: 9px; padding: 5px 11px;
  background: var(--lp-card); border: 1px solid var(--lp-line-hell); border-radius: 8px;
  color: var(--lp-muted); font: inherit; font-size: .76rem; cursor: pointer; opacity: 0;
  transition: opacity .15s, color .15s;
}
.dk-code:hover .dk-kopieren, .dk-kopieren:focus { opacity: 1; }
.dk-kopieren:hover { color: var(--lp-text); }

/* Hinweiskästen */
.dk-hinweis {
  border-radius: 12px; padding: 16px 20px; margin: 0 0 20px;
  border: 1px solid var(--lp-line); background: var(--lp-card-2);
  border-left-width: 3px; font-size: .93rem; color: var(--lp-muted);
}
.dk-hinweis strong { display: block; margin-bottom: 5px; color: var(--lp-text); }
.dk-hinweis p:last-child { margin-bottom: 0; }
.dk-hinweis.tipp { border-left-color: var(--lp-akzent-2); }
.dk-hinweis.achtung { border-left-color: #f2c94c; }
.dk-hinweis.warnung { border-left-color: #ff5f6d; }

/* Tabellen */
.dk-tabelle-wrap { overflow-x: auto; border: 1px solid var(--lp-line); border-radius: 12px; margin-bottom: 20px; }
.dk-tabelle { width: 100%; border-collapse: collapse; min-width: 460px; font-size: .91rem; }
.dk-tabelle th, .dk-tabelle td { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--lp-line); }
.dk-tabelle th {
  background: var(--lp-card-2); color: var(--lp-muted); font-size: .76rem;
  text-transform: uppercase; letter-spacing: .07em;
}
.dk-tabelle td { color: var(--lp-muted); }
.dk-tabelle td:first-child { color: var(--lp-text); }
.dk-tabelle tbody tr:last-child td { border-bottom: none; }

/* Verweis zwischen Kapiteln */
.dk-weiter {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--lp-line);
}
.dk-weiter a {
  padding: 14px 20px; border: 1px solid var(--lp-line); border-radius: 12px;
  background: var(--lp-card-2); flex: 1 1 220px; transition: border-color .15s;
}
.dk-weiter a:hover { border-color: var(--lp-akzent); text-decoration: none !important; }
.dk-weiter span { display: block; font-size: .76rem; color: #5f7290; margin-bottom: 3px; }
.dk-weiter strong { color: var(--lp-text); }

/* ---------------------------- Sprungmarken rechts ---------------------------- */

.dk-marken { position: sticky; top: 88px; font-size: .87rem; }
.dk-marken > span {
  display: block; font-size: .74rem; font-weight: 700; letter-spacing: .11em;
  text-transform: uppercase; color: #5f7290; margin-bottom: 10px;
}
.dk-marken a { display: block; padding: 5px 0 5px 12px; color: var(--lp-muted); border-left: 2px solid var(--lp-line); }
.dk-marken a:hover { color: var(--lp-text); }
.dk-marken a.aktiv { color: var(--lp-akzent-2); border-left-color: var(--lp-akzent-2); }

/* ---------------------------- Schmale Geräte ---------------------------- */

.dk-nav-schalter {
  display: none; width: 100%; margin-bottom: 20px; padding: 11px 16px;
  border: 1px solid var(--lp-line); border-radius: 11px; background: var(--lp-card-2);
  color: var(--lp-text); font: inherit; font-weight: 500; cursor: pointer; text-align: left;
}

@media (max-width: 1080px) {
  .dk-layout { grid-template-columns: 230px minmax(0, 1fr); gap: 36px; }
  .dk-marken { display: none; }
}

@media (max-width: 820px) {
  .dk-layout { grid-template-columns: 1fr; gap: 0; padding-top: 24px; }
  .dk-nav-schalter { display: block; }
  .dk-nav {
    position: static; max-height: none; display: none;
    margin-bottom: 28px; padding: 16px; border: 1px solid var(--lp-line);
    border-radius: 12px; background: var(--lp-card-2);
  }
  .dk-nav.offen { display: block; }
}