:root{
  --bg:#F3F6F9;--surface:#FFFFFF;--ink:#10202F;--muted:#52667A;
  --accent:#0A6CFF;--accent-ink:#FFFFFF;--line:#D5DEE8;--soft:#E8EFF7;
  --hint-bg:#FFF6E0;--hint-line:#E8CF8A;--ok-bg:#E6F6EC;--ok-line:#9CD2B0;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light dark;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0B141D;--surface:#111E2B;--ink:#E6EEF6;--muted:#93A6B8;
        --accent:#5AA2FF;--accent-ink:#06121F;--line:#223548;--soft:#172737;
        --hint-bg:#2A2410;--hint-line:#5C4F1E;--ok-bg:#10281B;--ok-line:#2A5C3E}
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:1rem;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.65 var(--sans)}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.25rem}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.5rem .8rem;z-index:20}
.skip:focus{left:0}

/* Kopfzeile */
header.site{padding:1.1rem 0 0}
.bar{display:flex;flex-wrap:wrap;align-items:baseline;gap:.3rem 1.4rem}
.brand{font-weight:700;letter-spacing:.01em;color:var(--ink);text-decoration:none;font-size:1.1rem}
.brand span{color:var(--accent)}
.topnav{display:flex;flex-wrap:wrap;gap:.2rem 1.1rem;font-size:.95rem}
.topnav a{color:var(--muted);text-decoration:none}
.topnav a:hover,.topnav a[aria-current="page"]{color:var(--ink);text-decoration:underline}
.crumbs{margin:1.4rem 0 0;font-size:.9rem;color:var(--muted)}
.crumbs a{color:var(--muted)}

/* Typografie */
h1{font-size:clamp(1.9rem,6vw,2.7rem);line-height:1.15;margin:1.8rem 0 .6rem;letter-spacing:-.02em}
h2{font-size:clamp(1.35rem,3.6vw,1.65rem);line-height:1.25;margin:3rem 0 .6rem;letter-spacing:-.01em}
h3{font-size:1.1rem;margin:1.8rem 0 .3rem}
p{margin:.6rem 0 1rem;max-width:68ch}
.lead{color:var(--muted);font-size:1.125rem;max-width:60ch}
.meta{color:var(--muted);font-size:.9rem;margin:.2rem 0 0}
.small{color:var(--muted);font-size:.92rem}
ul,ol{padding-left:1.25rem;max-width:68ch}
li{margin:.35rem 0}
code,.mono{font-family:var(--mono);font-size:.93em;background:var(--soft);padding:.1em .35em;border-radius:4px;word-break:break-all}
pre{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:.8rem 1rem;overflow-x:auto;font:.93rem/1.5 var(--mono);max-width:100%}
pre code{background:none;padding:0;word-break:normal}
strong{font-weight:650}

/* IP-Anzeige */
.ipbox{margin:1.6rem 0 .5rem;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.iprow{display:flex;align-items:center;gap:1rem;padding:1.15rem 1.25rem;min-height:5.6rem}
.iprow + .iprow{border-top:1px solid var(--line)}
.iplabel{flex:0 0 3.2rem;font-weight:700;color:var(--muted)}
.ipval{flex:1;min-width:0;font:600 clamp(1.3rem,5.4vw,2.1rem)/1.25 var(--mono);word-break:break-all;letter-spacing:-.01em}
.iprow.v6 .ipval{font-size:clamp(1rem,3.6vw,1.35rem)}
.ipval.muted{color:var(--muted);font-weight:400;font-family:var(--sans);font-size:1rem}
.ipnote{color:var(--muted);font-size:.95rem;margin:.6rem 0 0}
button.copy,.btn{font:600 .95rem var(--sans);color:var(--accent-ink);background:var(--accent);border:0;border-radius:8px;padding:.6rem 1rem;cursor:pointer}
button.copy[hidden]{display:none}
button.copy:hover,.btn:hover{filter:brightness(1.08)}
.btn[disabled]{opacity:.6;cursor:progress}

/* Ausklappbereich */
details.more{margin:1rem 0 0;background:var(--surface);border:1px solid var(--line);border-radius:12px}
details.more summary{cursor:pointer;padding:.95rem 1.25rem;font-weight:600;list-style:none;display:flex;gap:.6rem;align-items:center}
details.more summary::-webkit-details-marker{display:none}
details.more summary::before{content:"";flex:0 0 .55rem;height:.55rem;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg);transition:transform .15s}
details.more[open] summary::before{transform:rotate(45deg)}
.morebody{padding:0 1.25rem 1.1rem;border-top:1px solid var(--line)}
.kvh{margin:1.1rem 0 .2rem;font-weight:700;font-size:.95rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
dl.kv{margin:0}
.kvrow{display:flex;gap:1rem;padding:.5rem 0;border-bottom:1px solid var(--line)}
.kvrow:last-child{border-bottom:0}
.kvrow dt{flex:0 0 11rem;color:var(--muted)}
.kvrow dd{margin:0;flex:1;min-width:0;word-break:break-word}
.hint{background:var(--hint-bg);border:1px solid var(--hint-line);border-radius:8px;padding:.7rem .9rem;margin:1rem 0 .4rem;max-width:none}
.hint.ok{background:var(--ok-bg);border-color:var(--ok-line)}
.hint[hidden]{display:none}

/* Inhalte */
.callout{background:var(--soft);border-radius:12px;padding:1rem 1.25rem;margin:1.4rem 0}
.callout p{margin:.3rem 0}
nav.toc{margin:2rem 0 0;padding:1rem 1.25rem;background:var(--soft);border-radius:12px}
nav.toc strong{display:block;margin-bottom:.3rem}
nav.toc ul{margin:0;list-style:none;padding:0;columns:2;column-gap:2rem}
nav.toc a{text-decoration:none}
nav.toc a:hover{text-decoration:underline}
.tablewrap{overflow-x:auto;margin:1.2rem 0}
table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);font-size:.98rem}
th,td{text-align:left;padding:.7rem .9rem;vertical-align:top;border-bottom:1px solid var(--line)}
tr:last-child th,tr:last-child td{border-bottom:0}
thead th{background:var(--soft)}
tbody th{font-weight:600}
.tablewrap.wide table{min-width:44rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:.9rem;margin:1.2rem 0}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1rem 1.1rem;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--accent)}
.card strong{display:block;color:var(--accent);margin-bottom:.2rem}
.card span{color:var(--muted);font-size:.95rem;line-height:1.45;display:block}
.vpnout{margin-top:1rem}

/* Fußzeile */
footer{margin:4rem 0 2rem;padding-top:1.5rem;border-top:1px solid var(--line);color:var(--muted);font-size:.93rem}
footer a{color:var(--muted)}
.foot-cols{display:flex;flex-wrap:wrap;gap:1.5rem 3rem}
.foot-cols ul{list-style:none;padding:0;margin:.4rem 0 0}
.foot-cols li{margin:.25rem 0}
button.linklike{font:inherit;color:var(--muted);background:none;border:0;padding:0;text-decoration:underline;cursor:pointer}

/* Einwilligung */
.consent{position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--surface);border-top:1px solid var(--line);padding:1rem 1.25rem calc(1rem + env(safe-area-inset-bottom,0px))}
.consent[hidden]{display:none}
.consent-inner{max-width:46rem;margin:0 auto;display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.consent p{margin:0;flex:1 1 20rem;font-size:.95rem;max-width:none}
.consent .btns{display:flex;gap:.6rem}
.consent button{font:600 .95rem var(--sans);color:var(--ink);background:var(--surface);border:2px solid var(--accent);border-radius:8px;padding:.55rem 1rem;cursor:pointer}
.consent button:hover{background:var(--soft)}

@media (max-width:34rem){
  .iprow{flex-wrap:wrap;gap:.4rem .8rem}
  .iplabel,.ipval{flex-basis:100%}
  nav.toc ul{columns:1}
  .kvrow{flex-direction:column;gap:.1rem}
  .kvrow dt{flex-basis:auto;font-size:.9rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}