@media (prefers-color-scheme: dark) {
  html.auth {
    --z-papier: oklch(14.5% .004 70);
    --z-papier-zwei: oklch(18.5% .005 70);
    --z-haarlinie: oklch(26% .006 70);
    --z-leise: oklch(70% .006 70);
    --z-text: oklch(85% .005 70);
    --z-tinte: oklch(96.6% .003 70);
    --z-signal-text: oklch(74% .16 52);
    --z-signal-flaeche: oklch(74% .16 52 / .12);
    --z-gut: oklch(72% .15 150);
    --z-fehler: oklch(70% .16 27);
  }
}

html.auth { background: var(--z-papier); }

html.auth body {
  margin: 0;
  min-height: 100dvh;
  background: var(--z-papier);
  color: var(--z-text);
  font: 400 .9375rem/1.5 var(--font-sans);
  display: flex;
  flex-direction: column;
}

.auth-kopf {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px;
  padding: 16px 20px; max-width: 960px; width: 100%; margin: 0 auto; box-sizing: border-box;
}
.auth-marke { display: inline-flex; align-items: center; gap: 10px; color: var(--z-tinte); text-decoration: none; font-weight: 600; }
.auth-marke img { border-radius: 7px; }
.auth-navi { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; font-size: .875rem; }
.auth-navi form { margin: 0; }
.auth-navi a, .auth-link {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0;
  color: var(--z-leise); text-decoration: none; background: none; border: 0; font: inherit; line-height: 1.2; cursor: pointer;
}
.auth-navi a:hover, .auth-link:hover, .auth-navi a[aria-current="page"] { color: var(--z-tinte); }
.auth-navi a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--z-signal); }

.auth-inhalt {
  width: 100%; max-width: 400px; margin: 0 auto; padding: 8vh 20px 64px; box-sizing: border-box;
  display: flex; flex-direction: column; gap: 20px;
}
.auth-inhalt-breit { max-width: 640px; padding-top: 4vh; }

.auth-titel { margin: 0; font-size: 1.5rem; line-height: 1.2; font-weight: 600; letter-spacing: -.01em; color: var(--z-tinte); }
.auth-untertitel { margin: 8px 0 0; font-size: 1.0625rem; font-weight: 600; color: var(--z-tinte); }
.auth-text { margin: 0; max-width: 60ch; }
.auth-fuss { margin: 4px 0 0; font-size: .8125rem; color: var(--z-leise); }

.auth-formular { display: flex; flex-direction: column; gap: 16px; margin: 0; }
.auth-feld { display: flex; flex-direction: column; gap: 6px; }
.auth-feld > label { font-size: .8125rem; font-weight: 500; color: var(--z-tinte); }
.auth-feld input:not([type="checkbox"]):not([type="radio"]), .auth-feld textarea, .auth-feld select {
  box-sizing: border-box; width: 100%; min-height: 44px; padding: 10px 14px;
  font: inherit; color: var(--z-tinte); background: var(--z-papier);
  border: 1px solid var(--z-haarlinie); border-radius: 10px; outline: none;
  transition: border-color var(--z-dauer) var(--z-kurve), box-shadow var(--z-dauer) var(--z-kurve);
}
.auth-feld input:focus-visible, .auth-feld textarea:focus-visible, .auth-feld select:focus-visible {
  border-color: var(--z-signal); box-shadow: 0 0 0 3px oklch(55.5% .19 42 / .25);
}
.auth-feld input[readonly] { background: var(--z-papier-zwei); font-family: var(--font-mono); letter-spacing: .04em; }
.auth-feld input[name="code"] { font-size: 1.25rem; letter-spacing: .18em; font-variant-numeric: tabular-nums; }
.auth-feld-fehler input { border-color: var(--z-fehler); }
.auth-hilfe { margin: 0; font-size: .8125rem; color: var(--z-leise); }
.auth-hilfe a, .auth-text a, .auth-fuss a { color: var(--z-signal-text); }
.auth-feldmeldung { margin: 0; font-size: .8125rem; color: var(--z-fehler); }
.auth-feldmeldung ul { margin: 0; padding: 0; list-style: none; }
.auth-haken { display: inline-flex; align-items: center; gap: 10px; font-size: .9375rem; color: var(--z-text); cursor: pointer; min-height: 44px; }
.auth-haken input { width: 18px; height: 18px; accent-color: var(--z-signal); }

.auth-aktionen, .auth-knopfgruppe { display: flex; flex-wrap: wrap; gap: 10px; }
.auth-knopfgruppe-senkrecht { flex-direction: column; }
.auth-formular .auth-aktionen .knopf { flex: 1; }

.knopf {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; box-sizing: border-box;
  min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid transparent;
  font: 500 .9375rem/1.2 var(--font-sans); text-decoration: none; cursor: pointer;
  transition: background-color var(--z-dauer) var(--z-kurve), border-color var(--z-dauer) var(--z-kurve), color var(--z-dauer) var(--z-kurve);
}
.knopf-signal { background: var(--z-signal); color: oklch(98.6% .002 70); }
.knopf-signal:hover { background: var(--z-signal-tief); }
.knopf-ruhig { background: var(--z-papier); color: var(--z-tinte); border-color: var(--z-haarlinie); width: 100%; }
.auth-aktionen .knopf-ruhig, .auth-knopfgruppe .knopf-ruhig { width: auto; }
.knopf-ruhig:hover { background: var(--z-papier-zwei); }
.knopf-gefahr { background: var(--z-papier); color: var(--z-fehler); border-color: color-mix(in oklch, var(--z-fehler) 40%, transparent); }
.knopf-gefahr:hover { background: color-mix(in oklch, var(--z-fehler) 8%, var(--z-papier)); }
.knopf:active { transform: translateY(1px); }

.auth-trenner { display: flex; align-items: center; gap: 12px; color: var(--z-leise); font-size: .8125rem; }
.auth-trenner::before, .auth-trenner::after { content: ""; flex: 1; height: 1px; background: var(--z-haarlinie); }

.auth-meldungen { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.auth-meldung { margin: 0; padding: 10px 14px; border-radius: 10px; background: var(--z-papier-zwei); color: var(--z-tinte); font-size: .875rem; }
.auth-meldung-error { background: color-mix(in oklch, var(--z-fehler) 10%, var(--z-papier)); color: var(--z-fehler); }
.auth-meldung-success { background: color-mix(in oklch, var(--z-gut) 10%, var(--z-papier)); color: var(--z-tinte); }

.auth-feld-gruppe { display: flex; flex-direction: column; gap: 10px; padding: 16px 0; border-top: 1px solid var(--z-haarlinie); }
.auth-feld-gruppe:first-of-type { border-top: 0; }

.auth-marke-klein { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--z-papier-zwei); color: var(--z-leise); }
.auth-marke-gut { color: var(--z-gut); background: color-mix(in oklch, var(--z-gut) 12%, transparent); }
.auth-marke-warn { color: var(--z-fehler); background: color-mix(in oklch, var(--z-fehler) 12%, transparent); }

.auth-bild { align-self: center; width: 200px; height: 200px; padding: 10px; background: oklch(98.6% .002 70); border-radius: 12px; border: 1px solid var(--z-haarlinie); }

.auth-tabelle { overflow-x: auto; }
.auth-tabelle table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.auth-tabelle th, .auth-tabelle td { text-align: left; padding: 10px 8px; border-top: 1px solid var(--z-haarlinie); vertical-align: top; }
.auth-tabelle th { font-weight: 500; color: var(--z-leise); border-top: 0; }

pre, code { font-family: var(--font-mono); }
.auth-inhalt pre { white-space: pre-wrap; background: var(--z-papier-zwei); padding: 14px; border-radius: 10px; font-size: .9375rem; letter-spacing: .06em; }

.auth-feld input::placeholder { color: transparent; }
.auth-link-inline { display: inline; min-height: 0; color: var(--z-signal-text); font-size: inherit; padding: 0; }
.auth-link-inline:hover { text-decoration: underline; text-underline-offset: 3px; }