:root{
  --paper: #e9e1cb;
  --paper-deep: #ded3b3;
  --card: #f4efe0;
  --ink: #241f1a;
  --ink-soft: #5b5346;
  --ink-faint: #8a8168;
  --accent: #7a2e2e;
  --accent-soft: #d9b8a8;
  --line: #c3b79e;
  --highlight: #e8c468;
  --shadow: rgba(36,31,26,0.18);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(122,46,46,0.06), transparent 60%),
    var(--paper);
  color:var(--ink);
  font-family:"Source Serif 4", serif;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; }

header.site{
  padding: 2.6rem 1.5rem 1.4rem;
  text-align:center;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.15), transparent);
}
.site-title{
  font-family:"Newsreader", serif;
  font-weight:600;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  letter-spacing: 0.01em;
  margin:0;
}
.site-title small{
  display:block;
  font-family:"IBM Plex Mono", monospace;
  font-weight:500;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom: 0.6rem;
}
.site-sub{
  font-style: italic;
  color: var(--ink-soft);
  margin: 0.3rem 0 0;
  font-size: 0.98rem;
}

nav.tabs{
  display:flex;
  justify-content:center;
  gap: 0;
  margin-top: 1.6rem;
  flex-wrap: wrap;
}
nav.tabs a{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration:none;
  color: var(--ink-soft);
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line);
  border-right-width: 0;
  background: var(--card);
  transition: color .15s ease, background .15s ease;
}
nav.tabs a:last-child{ border-right: 1px solid var(--line); }
nav.tabs a:hover{ color: var(--ink); }
nav.tabs a.active{
  background: var(--accent);
  color: #f4efe0;
  border-color: var(--accent);
}

main{
  max-width: 920px;
  margin: 0 auto;
  padding: 2.4rem 1.5rem 5rem;
}

.search-wrap{
  position: relative;
  margin-bottom: 0.4rem;
}
input.search-input{
  width:100%;
  font-family:"Newsreader", serif;
  font-size: 1.25rem;
  padding: 0.85rem 1rem 0.85rem 2.6rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--card);
  color: var(--ink);
  outline: none;
  box-shadow: inset 0 1px 3px var(--shadow);
}
input.search-input:focus{ border-color: var(--accent); }
.search-wrap::before{
  content: "⌕";
  position:absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--accent);
}
.search-meta{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin: 0.6rem 0 1.8rem;
  letter-spacing: 0.03em;
}

.card{
  display:block;
  text-decoration:none;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 1.1rem 1.3rem 1.2rem;
  margin-bottom: 1rem;
  position:relative;
  box-shadow: 0 1px 2px var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease;
}
.card:hover{ transform: translateX(2px); box-shadow: 2px 3px 8px var(--shadow); }
.card-id{
  position:absolute;
  top: 0.7rem;
  right: 0.9rem;
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.65rem;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
}
.card-title{
  font-family:"Newsreader", serif;
  font-weight:600;
  font-size: 1.18rem;
  margin: 0 2.2rem 0.35rem 0;
}
.card-facts{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}
.card-facts span:not(:last-child)::after{ content: " · "; color: var(--ink-faint); }
.card-snippet{
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
  margin:0;
}
.card-snippet mark, article mark{
  background: var(--highlight);
  color: var(--ink);
  padding: 0 0.15em;
  border-radius: 1px;
}
.card-tags{
  margin-top: 0.6rem;
  display:flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.tag{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.65rem;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.35);
}

.empty{
  font-family:"IBM Plex Mono", monospace;
  color: var(--ink-faint);
  font-size: 0.85rem;
  padding: 2rem;
  text-align:center;
  border: 1px dashed var(--line);
  line-height: 1.7;
}
.empty code{
  background: var(--card);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--line);
}

.register-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}
.register-head h2{
  font-family:"Newsreader", serif;
  font-size: 1.7rem;
  margin: 0;
}
.register-count{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.7rem;
  color: var(--ink-faint);
}
.az-nav{
  display:flex;
  flex-wrap:wrap;
  gap: 0.25rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.1rem;
  margin-bottom: 1.6rem;
}
.az-nav a{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-decoration:none;
  color: var(--ink-soft);
  width: 1.7rem; height: 1.7rem;
  display:flex; align-items:center; justify-content:center;
  border:1px solid transparent;
}
.az-nav a.has{ color: var(--accent); font-weight:600; }
.az-nav a.has:hover{ border-color: var(--accent); }
.az-nav a.disabled{ color: var(--line); pointer-events:none; }
.decade-nav a{
  width: auto;
  padding: 0 0.7rem;
}

.register-group{ margin-bottom: 1.8rem; }
.register-letter{
  font-family:"Newsreader", serif;
  font-weight:600;
  font-style: italic;
  font-size: 1.4rem;
  color: var(--accent);
  border-bottom: 1px solid var(--line);
  margin: 0 0 0.6rem;
  padding: 0.1rem 0.3rem 0.15rem 0;
  border-radius: 2px;
  transition: background-color 1.2s ease, color 1.2s ease;
}
.register-letter.jump-flash{
  background-color: var(--highlight);
  color: var(--ink);
  transition: background-color 0s, color 0s;
}
.register-entry{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dotted var(--line);
}
.register-entry:last-child{ border-bottom:none; }
.register-name{
  font-size: 1rem;
}
.register-name .sub{
  display:block;
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.68rem;
  color: var(--ink-faint);
  margin-top: 0.15rem;
}
.register-links{
  display:flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.register-links a{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.68rem;
  text-decoration:none;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  white-space:nowrap;
}
.register-links a:hover{ border-color:var(--accent); color:var(--accent); }

.back-link{
  display:inline-block;
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.72rem;
  text-decoration:none;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}
.back-link:hover{ color: var(--accent); }

article.doc{
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 2px 10px var(--shadow);
}
.doc-head{
  padding: 1.6rem 1.8rem 1.3rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.3), transparent);
}
.doc-eyebrow{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.doc-title{
  font-family:"Newsreader", serif;
  font-weight:600;
  font-size: clamp(1.5rem, 3.2vw, 1.9rem);
  margin: 0 0 0.9rem;
}
dl.meta{
  display:grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.88rem;
}
dl.meta dt{
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.68rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color: var(--ink-faint);
  padding-top:0.15rem;
}
dl.meta dd{ margin:0; color: var(--ink-soft); }
dl.meta a{ text-decoration:none; border-bottom: 1px dotted var(--ink-faint); }
dl.meta a:hover{ color: var(--accent); border-color: var(--accent); }

.doc-body{
  padding: 1.8rem 1.8rem 2.2rem;
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--ink);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 1.83em,
    var(--line) 1.84em,
    transparent 1.85em
  );
  white-space: pre-wrap;
}

footer.site{
  text-align:center;
  padding: 2rem 1rem 3rem;
  font-family:"IBM Plex Mono", monospace;
  font-size: 0.68rem;
  color: var(--ink-faint);
}

@media (max-width: 560px){
  dl.meta{ grid-template-columns: 1fr; }
  dl.meta dt{ margin-top: 0.4rem; }
  .register-entry{ flex-direction:column; align-items:flex-start; gap:0.3rem; }
  .register-links{ justify-content:flex-start; }
}

/* Hervorgehobener Registereintrag nach Sprung aus Dokumentansicht */
.register-entry.highlighted {
  background: var(--highlight);
  border-radius: 2px;
  transition: background 0s;
}
.register-entry {
  transition: background 2s ease;
}