:root {
	--nav-w: 350px;
	--nav-bg: #e7e2da; /* Hintergrund-Farbe in Nav-Spalte */ 
    --nav-txt: #000000; /* Taxt-Farbe in Nav-Spalte*/
    /* --nav-hover: rgba(255,255,255,.1);  nicht im Einsatz */
    --main-hover: #e7e2da; /* Link-Hover in Main-Bereich */
    --border: #e5e7eb;
   }

html { scroll-behavior: smooth; }

body {	margin: 0;
		font-family: Arial, sans-serif;
		line-height: 1.4;
		color: #111;
		}

p {	font-size:14px; /*  */
	margin:0.6em 0px 0px 0px; /* Abstand über einem Absatz*/
	}

/* -- Layout -- */

.layout { display: flex; min-height: 100vh; }

/* === Menü (Nav) === */

nav {
	width: var(--nav-w);
    background: var(--nav-bg);
    color: var(--nav-txt);
    padding: 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    flex-shrink: 0;
    }
	
nav h2 { margin-top: 0; font-size: 1.2em; }
nav ul { list-style: none; padding: 0; margin: 0; }
nav li { font-size:14px;
		 margin: 0px 0px;
		}
nav .kptl { font-weight: bold; }
nav a {
    display:block;
	color: var(--nav-txt);
    text-decoration: none;
    padding: 0px 8px; /* padding: 4px 14px;  Abstände für Hover-Kasten */
	line-height: 1.1;
    border-radius: 6px;
    }
nav a:hover		{ background: #2563eb; color: #fff; }
nav a.active	{ background: #d4cbbe; color: #000000;} /* autom. Hervorhebung beim Scrollen; war: background: #524b3d; color:#ffffff; */

.nav-end	{ display:inline; } /* mehrere Links in einer Zeile, für Nav-Spalte ganz unten */

/* === Hauptbereich === */

main {
    flex: 1;
    padding: 20px;
    max-width: 800px;	/* Breite des Hauptbereichs */
    margin: 0; /* 0 auto; für zentriert*/
    }
main h1 { margin-top: 10px; }
main h2 { margin: 25px 0px 5px 0px; }  /* margin-top: 10px; */ 
main h3 {
    margin-top: 10px; 
    padding-bottom: 5px;
    scroll-margin-top: 60px; /* Abstand für Sprünge */
    }

main h4 {
    margin-top: 20px;
    scroll-margin-top: 60px; /* Abstand für Sprünge */
    }

/* -- Inhaltsverzeichnis (Hauptbereich) -- */

.iv-1h { margin:5px 0px 0px 0px; font-weight:bold; line-height: 1.25; }						/* 1. Ebene (immer Überschrift) */
.iv-2h { padding-left:3em; text-indent: -1.5em; margin:2px 0px 0px 0px; line-height: 1.25;}	/* 2. Ebene (Überschrift ohne Link) */
.iv-2 { padding-left:7em; text-indent: -5.5em; margin:0px; line-height: 1.25; }			/* 2. Ebene (Link)) */
.iv-3 { padding-left:8.5em;  text-indent: -5.5em; margin:0px; line-height: 1.25; }		/* 3. Ebene (Link)) */

/* -- Haupt-Text -- */

.para 	{ padding-left: 1.5em; text-indent: -1.5em; }		/* Absatz */
.para-ff { padding-left: 1.5em; }							/* Absatz-Fortsetzung */	
.letter { padding-left: 3em; text-indent: -1.3em; }			/* Buchst. */
.nr 	{ padding-left: 1.5em; text-indent: -1.5em; }		/* Nr. */
.snr {	color:#2c3e50; font-weight:bold; font-size:80%; 	/* Satz-Nr. */
		position:relative; top:-0.5em; line-height:0; vertical-align:baseline; 
		padding:1px;
	 }
.snr.highlight {										/* Satz-Nr.: hover */
	background-color:rgba(44,62,80,1); color:white;
	transition: background-color 0.3s ease; 
	}

main a:hover { background: var(--main-hover); }

/* === Mobile Topbar === */

.topbar {
	display: none;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    }
.menu-btn {
    border: 1px solid var(--border);
    background: #fff;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    }

/* -- Off-Canvas für kleine Screens -- */

@media (max-width: 768px) {
    .topbar { display: flex; 
	}
nav {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 1001;
    }
nav.open { transform: translateX(0); }
.backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.4);
    display: none;
    z-index: 1000;
    }
.backdrop.show { display: block; }
    main { padding: 70px 16px 20px; }
    .layout { flex-direction: column; }
    }