/* Leseanwendung: Kopfband mit Ausgabe- und Stufenwahl, Abschnittsverzeichnis, eine Lesespalte, Quellen am Ende. */
:root{
  --bg:#e2e5e8; --surface:#ffffff; --fg:#1b1e22; --muted:#5b636b; --line:#c6ccd3;
  --blue:#2a4b9b; --blue-ink:#ffffff; --yellow:#e0a81a; --green:#8ab439; --red:#e52321;
  --chip:#eef1f4; --mark:#f7e3a2; --crfg:#8a6500; --crbg:rgba(224,168,26,.22);
  --sans:"Sansation","Lato","Segoe UI",system-ui,sans-serif;
  --col:40rem;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#14171b; --surface:#1c2027; --fg:#e4e7ea; --muted:#9aa3ac; --line:#2f353d;
  --blue:#8fa8e8; --blue-ink:#11141a; --yellow:#e8bf55; --green:#a3c95f; --red:#f06a63;
  --chip:#242a32; --mark:#5a4a1c; --crfg:#e8bf55; --crbg:rgba(232,191,85,.14); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#14171b; --surface:#1c2027; --fg:#e4e7ea; --muted:#9aa3ac; --line:#2f353d;
  --blue:#8fa8e8; --blue-ink:#11141a; --yellow:#e8bf55; --green:#a3c95f; --red:#f06a63;
  --chip:#242a32; --mark:#5a4a1c; --crfg:#e8bf55; --crbg:rgba(232,191,85,.14); color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;margin:0;text-align:left}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--blue)}
.wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));max-width:72rem;margin:0 auto}

/* Kopfband */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--blue);color:var(--blue-ink)}
header .wrap{padding-block:.6rem}
.brand{display:block}
.brand .line1{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem}
.brand .triad{display:block}
.brand b{font-size:clamp(.86rem,2.9vw,1.05rem);font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand .slogan{font-size:clamp(.74rem,2.4vw,.82rem);opacity:.95;line-height:1.3;white-space:nowrap;min-width:0}
.brand .triad{font-size:.62rem;letter-spacing:.06em;text-transform:uppercase;opacity:.8;line-height:1.5;white-space:nowrap}
header .cr{color:#f3d07a;background:transparent;padding:0}

/* Steuerung */
.controls{background:var(--surface);border-bottom:1px solid var(--line)}
.controls .wrap{padding-block:.7rem;display:flex;flex-direction:column;gap:.55rem}
.row{display:flex;flex-wrap:wrap;gap:.35rem;align-items:center;min-width:0}
.row > .lab{font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);width:5.8rem;flex:none;line-height:1.25;overflow-wrap:break-word}
button.pick{font:inherit;font-size:.82rem;padding:.24rem .48rem;border:1px solid var(--line);background:var(--chip);color:var(--fg);border-radius:2px;cursor:pointer}
button.pick[aria-pressed="true"]{background:var(--blue);color:var(--blue-ink);border-color:var(--blue);font-weight:700}
button.pick:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--green);outline-offset:1px}
#q{font:inherit;font-size:.9rem;padding:.3rem .5rem;border:1px solid var(--line);background:var(--surface);color:var(--fg);border-radius:2px;flex:1 1 11rem;min-width:0}
.hits{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums}

/* Gerüst */
main .wrap{padding-block:1.2rem;display:grid;grid-template-columns:1fr;gap:1.2rem}
@media (min-width:62rem){main .wrap{grid-template-columns:17rem minmax(0,1fr);align-items:start}}
nav.idx{background:var(--surface);border:1px solid var(--line);border-radius:2px;min-width:0}
@media (min-width:62rem){nav.idx{position:sticky;top:7.5rem;max-height:calc(100vh - 9rem);overflow:auto}}
nav.idx summary{cursor:pointer;padding:.5rem .7rem;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
nav.idx ol{list-style:none;margin:0;padding:0 .7rem .7rem}
nav.idx li{margin:0}
nav.idx a{display:block;padding:.2rem 0;color:var(--fg);text-decoration:none;font-size:.86rem;border-bottom:1px solid transparent}
nav.idx a:hover{color:var(--blue);border-bottom-color:var(--line)}
nav.idx a.sub{padding-left:.9rem;font-size:.8rem;color:var(--muted)}
nav.idx .cnt{float:right;margin-left:.6rem;color:var(--muted);font-variant-numeric:tabular-nums;font-size:.78rem}
nav.idx li.none{padding:.3rem 0;color:var(--muted);font-size:.85rem}

article{background:var(--surface);border:1px solid var(--line);border-radius:2px;min-width:0}
article .inner{padding:1.1rem max(16px,env(safe-area-inset-right,0px)) 2rem max(16px,env(safe-area-inset-left,0px));min-width:0;overflow-wrap:break-word}
@media (min-width:48rem){article .inner{padding:1.4rem 2rem 2.6rem}}

.dochead{border-bottom:2px solid var(--blue);padding-bottom:.7rem;margin-bottom:1.2rem}
.dochead h1{font-size:1.5rem;line-height:1.25;margin:.1rem 0 .3rem;text-wrap:balance}
.meta{font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:.2rem .9rem;font-variant-numeric:tabular-nums}
.dl{margin-top:.8rem;display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.dlbtn{font:inherit;font-size:.86rem;padding:.35rem .8rem;border:1px solid var(--blue);background:var(--blue);color:var(--blue-ink);border-radius:2px;cursor:pointer;font-weight:700;display:inline-block}
.dlbtn:disabled{opacity:.55;cursor:default}
.dlnote{font-size:.78rem;color:var(--muted)}

h2.sec{font-size:1.12rem;line-height:1.3;margin:2rem 0 .5rem;padding-top:.4rem;border-top:1px solid var(--line);text-wrap:balance}
h2.sec:first-of-type{margin-top:.6rem}
h3.sub{font-size:.98rem;margin:1.3rem 0 .35rem;color:var(--blue);text-wrap:balance}
.part{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin:2.4rem 0 -.6rem;font-weight:700}
p{margin:0 0 .85rem;max-width:var(--col)}
blockquote{margin:0 0 .9rem;padding:.5rem .9rem;border-left:3px solid var(--yellow);background:var(--chip);max-width:var(--col);font-size:.95rem}
.tw{overflow-x:auto;max-width:100%;margin:0 0 1rem;border:1px solid var(--line)}
table{border-collapse:collapse;font-size:.84rem;min-width:30rem}
th,td{border-bottom:1px solid var(--line);padding:.35rem .55rem;text-align:left;vertical-align:top}
th{background:var(--chip);font-weight:700}
.cr{color:var(--crfg);background:var(--crbg);padding:0 .1em;border-radius:2px}
.px{display:inline-block;height:.78em;vertical-align:-.04em;background:var(--muted);opacity:.85;border-radius:1px}
a.cite{color:var(--blue);text-decoration:none;font-variant-numeric:tabular-nums;white-space:nowrap}
a.cite:hover{text-decoration:underline}
mark{background:var(--mark);color:inherit;padding:0 .08em}

.srcs{margin-top:2.6rem;border-top:2px solid var(--blue);padding-top:.8rem}
.srcs h2{font-size:1.12rem;margin:.2rem 0 .8rem}
ol.src{list-style:none;margin:0;padding:0;counter-reset:none}
ol.src li{display:grid;grid-template-columns:2.6rem minmax(0,1fr);gap:.1rem .5rem;padding:.45rem 0;border-bottom:1px solid var(--line);font-size:.88rem}
ol.src li .n{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:700}
ol.src li.flash{background:var(--chip)}
ol.src .link{font-size:.82rem}
ol.src .link a{color:var(--blue);overflow-wrap:anywhere}
ol.src li > div{min-width:0}
ol.src .closed{font-size:.82rem;color:var(--muted);font-style:italic}
.empty{padding:2rem 0;color:var(--muted)}
footer{border-top:1px solid var(--line);margin-top:1.2rem}
footer .wrap{padding-block:1.2rem;font-size:.78rem;color:var(--muted);display:flex;flex-direction:column;gap:.15rem;align-items:flex-start}
footer #copy{font-weight:700}
footer a{color:var(--blue)}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
html{scroll-behavior:smooth}

a.pick{font:inherit;font-size:.82rem;padding:.24rem .48rem;border:1px solid var(--line);
 background:var(--chip);color:var(--fg);border-radius:2px;text-decoration:none;display:inline-block}
a.pick[aria-pressed="true"]{background:var(--blue);color:var(--blue-ink);border-color:var(--blue);font-weight:700}
nav.idx a.hier{color:var(--blue);font-weight:700}
.blz{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.4rem;padding-top:.9rem;border-top:1px solid var(--line)}
a.blatt{color:var(--blue);text-decoration:none;font-size:.88rem}
a.blatt:hover{text-decoration:underline}
ol.toc{list-style:none;margin:0 0 1.4rem;padding:0}
ol.toc li{padding:.5rem 0;border-bottom:1px solid var(--line);max-width:var(--col)}
ol.toc a{color:var(--blue);text-decoration:none;font-weight:700}
ol.toc a:hover{text-decoration:underline}
ol.toc .teaser{display:block;color:var(--muted);font-size:.86rem;margin-top:.15rem}
ol.toc.schmal li{padding:.3rem 0}
ol.toc.schmal a{font-weight:400}
.brand .line2{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem}
.brand .portal{font-size:.68rem;letter-spacing:.02em;opacity:.85;line-height:1.5;white-space:nowrap}
@media(max-width:560px){.brand .line2{flex-wrap:wrap}
.brand .portal{width:100%;text-align:right;font-size:.62rem}}