/*
  blatt · eine Stildatei für eine autonome Untersuchungsstelle
  Papier, Tinte, Charter, System-Mono. Werk vorn, Apparat hinten.

  Aufbau:
  1. Tokens (Nachtsignal / Schwellenmaterial)
  2. Grundschrift & Basis
  3. Site-Kopf und -Fuß
  4. Blatt & Aktenkopf
  5. Inhalt (Werktext, Koenig-Cards)
  6. Rückseite (Stammdaten, Rubriken, Lücken)
  7. Registerliste
  8. Kleinteile (Marker, Knöpfe, Türen)
  9. Druckfassung
*/

@font-face {
  font-family: "Charter";
  src: local("Charter"), local("Bitstream Charter"), url("../fonts/charter/charter_regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Charter";
  src: local("Charter Italic"), local("Bitstream Charter Italic"), url("../fonts/charter/charter_italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Charter";
  src: local("Charter Bold"), local("Bitstream Charter Bold"), url("../fonts/charter/charter_bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Charter";
  src: local("Charter Bold Italic"), local("Bitstream Charter Bold Italic"), url("../fonts/charter/charter_bold_italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 700;
  font-display: swap;
}

/* ============ 1. Tokens ============ */

:root {
  --serif-fallback: Charter, "Bitstream Charter", Georgia, "Times New Roman", serif;
  --serif: var(--gh-font-body, var(--serif-fallback));
  --display: var(--gh-font-heading, var(--serif-fallback));
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-family: var(--serif);
  --font-family-content: var(--display);
  --font-family-mono: var(--mono);
  --blatt-breite: 44rem;
  --raum: clamp(1.1rem, 2.6vw, 2rem);
  --paper: #ece9df;
  --paper-raised: #f3f0e7;
  --ink: #171814;
  --muted: #66695f;
  --rule: rgba(23, 24, 20, 0.28);
  --rule-soft: rgba(23, 24, 20, 0.13);
  --warm: var(--accent-light, #735f44);
  --warm-rule: color-mix(in srgb, var(--warm) 48%, transparent);
  --light-background: #e4e0d5;
  --light-secondary-background: #e8e5db;
  --grain-opacity: 0.095;
  --background: var(--paper);
  --foreground: var(--ink);
  --light-text: var(--muted);
  color-scheme: light;
}

[data-appearance="dark"],
[data-configured-appearance="Dark"]:not([data-appearance]) {
  --paper: #101210;
  --paper-raised: #151815;
  --ink: #e5e7df;
  --muted: #929a91;
  --rule: rgba(229, 231, 223, 0.3);
  --rule-soft: rgba(229, 231, 223, 0.13);
  --warm: var(--accent-dark, #b9dbc3);
  --warm-rule: color-mix(in srgb, var(--warm) 48%, transparent);
  --light-background: #171a17;
  --light-secondary-background: #131613;
  --grain-opacity: 0.075;
  color-scheme: dark;
}

[data-appearance="light"],
[data-configured-appearance="Light"]:not([data-appearance]) {
  --paper: #ece9df;
  --paper-raised: #f3f0e7;
  --ink: #171814;
  --muted: #66695f;
  --rule: rgba(23, 24, 20, 0.28);
  --rule-soft: rgba(23, 24, 20, 0.13);
  --warm: var(--accent-light, #735f44);
  --warm-rule: color-mix(in srgb, var(--warm) 48%, transparent);
  --light-background: #e4e0d5;
  --light-secondary-background: #e8e5db;
  --grain-opacity: 0.095;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  [data-configured-appearance="System"]:not([data-appearance]) {
    --paper: #101210;
    --paper-raised: #151815;
    --ink: #e5e7df;
    --muted: #929a91;
    --rule: rgba(229, 231, 223, 0.3);
    --rule-soft: rgba(229, 231, 223, 0.13);
    --warm: var(--accent-dark, #b9dbc3);
    --warm-rule: color-mix(in srgb, var(--warm) 48%, transparent);
    --light-background: #171a17;
    --light-secondary-background: #131613;
    --grain-opacity: 0.075;
    color-scheme: dark;
  }
}

/* ============ 2. Basis ============ */

* { box-sizing: border-box; }

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.155rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: 1000;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: var(--texture-opacity, var(--grain-opacity));
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

body[data-texture="Off"]::before { display: none; }
body[data-texture="Quiet"] { --texture-opacity: 0.055; }
body[data-texture="Present"] { --texture-opacity: 0.12; }

::selection { background: var(--warm-rule); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--warm);
  outline-offset: 2px;
}

img { max-width: 100%; height: auto; }

.sprunglink {
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 1rem;
  padding: 0.55rem 0.8rem;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  background: var(--ink);
  transform: translateY(-110%);
}

.sprunglink:focus { transform: translateY(0); }

@media (forced-colors: active) {
  body::before { display: none; }
  .sprunglink { border: 1px solid ButtonText; }
}

/* ============ 3. Site-Kopf und -Fuß ============ */

.site-kopf {
  border-bottom: 1px solid var(--rule-soft);
}

.site-kopf__inner,
.site-fuss__inner {
  max-width: var(--blatt-breite);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
}

.site-kopf__inner {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-kopf__nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: baseline;
}

.appearance-toggle {
  display: none;
  width: 1.75rem;
  height: 1.75rem;
  margin: -0.35rem 0;
  padding: 0;
  place-items: center;
  color: var(--warm);
  background: transparent;
  border: 0;
  cursor: pointer;
}

[data-blatt-ready="true"] .appearance-toggle { display: inline-grid; }

.kreiszeichen {
  display: block;
  width: 1rem;
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
  border: 1px solid currentColor;
  border-radius: 50%;
  transform: rotate(0deg);
  transition: transform 180ms steps(2, end);
}

[data-appearance="dark"] .kreiszeichen { transform: rotate(180deg); }

@media (prefers-reduced-motion: reduce) {
  .kreiszeichen { transition: none; }
}

.site-kopf a,
.site-fuss a { text-decoration: none; }

.site-kopf a:hover,
.site-fuss a:hover { color: var(--ink); }

.site-kopf .ist-hier {
  color: var(--warm);
  border-bottom: 1px solid var(--warm-rule);
  padding-bottom: 1px;
}

.site-fuss {
  border-top: 1px solid var(--rule-soft);
  margin-top: 6rem;
}

.home-template .site-fuss { margin-top: 0; }

.site-fuss__zeile {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.2rem 0;
}

.site-fuss__nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }

.site-fuss__post a {
  color: var(--warm);
  border-bottom: 1px solid var(--warm-rule);
  padding-bottom: 1px;
}

/* ============ 4. Blatt & Aktenkopf ============ */

.akte-seite {
  max-width: var(--blatt-breite);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4rem;
}

.kopfzeile {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--rule);
}

.akte-titel {
  font-family: var(--display);
  font-size: clamp(2.2rem, 7vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 4rem 0 0.5rem;
}

.akte-untertitel {
  font-style: italic;
  font-size: 1.25rem;
  color: var(--muted);
  margin: 0;
}

.akte-bild {
  position: relative;
  left: 50%;
  width: min(92vw, 72rem);
  margin: 4rem 0 0;
  transform: translateX(-50%);
}

.akte-bild img { display: block; width: 100%; height: auto; }

figure { margin: 0; }

figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 0.6rem;
}

/* ============ 5. Inhalt ============ */

.akte-inhalt { margin-top: 3.5rem; }

.akte-inhalt > * + * { margin-top: 1.2rem; }

.akte-inhalt p { margin: 0; }

.akte-inhalt h2,
.rubrik {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--muted);
  margin: 3.2rem 0 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

.akte-inhalt h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2.4rem 0 0.6rem;
}

.akte-inhalt a {
  text-decoration-color: var(--warm-rule);
  text-underline-offset: 3px;
}

.akte-inhalt a:hover { text-decoration-color: var(--warm); }

.akte-inhalt hr {
  border: none;
  border-top: 1px solid var(--rule-soft);
  margin: 3rem 0;
}

.akte-inhalt blockquote {
  margin: 1.6rem 0;
  padding-left: 1.4rem;
  border-left: 2px solid var(--warm-rule);
  font-style: italic;
  color: var(--muted);
}

.akte-inhalt ul,
.akte-inhalt ol { padding-left: 1.4rem; }

.akte-inhalt li { margin-bottom: 0.4rem; }

.akte-inhalt code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--light-background);
  padding: 0.1em 0.35em;
}

.akte-inhalt pre {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  background: var(--light-background);
  border: 1px solid var(--rule-soft);
  padding: 1rem 1.2rem;
  overflow-x: auto;
}

.akte-inhalt pre code { background: none; padding: 0; }

.akte-inhalt table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.akte-inhalt th,
.akte-inhalt td {
  text-align: left;
  padding: 0.5rem 0.8rem 0.5rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

.akte-inhalt th {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* --- Koenig-Cards --- */

.akte-inhalt .kg-card { margin: 3rem 0; }

.akte-inhalt .kg-image-card:not(.kg-width-full):not(.kg-width-wide) {
  position: relative;
  left: 50%;
  width: min(84vw, 54rem);
  transform: translateX(-50%);
}

.kg-image-card img {
  display: block;
  width: 100%;
  height: auto;
}

.kg-width-wide {
  position: relative;
  width: min(92vw, 62rem);
  left: 50%;
  transform: translateX(-50%);
}

.kg-width-full {
  position: relative;
  width: 100vw;
  left: 50%;
  transform: translateX(-50%);
}

.kg-card figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: left;
  padding-top: 0.6rem;
}

.kg-gallery-card {
  width: min(94vw, 76rem);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  counter-reset: plate;
}

.kg-gallery-container {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2vw, 1.6rem);
}

.akte-inhalt .kg-gallery-row {
  display: flex;
  margin: 0;
  align-items: flex-start;
  gap: clamp(0.75rem, 2vw, 1.6rem);
}

.kg-gallery-image {
  position: relative;
  min-width: 0;
  counter-increment: plate;
}

.akte-inhalt .kg-gallery-row .kg-gallery-image { margin: 0 !important; }

.akte-inhalt .kg-gallery-row:nth-child(odd) .kg-gallery-image:first-child { flex: 1.35 1 0% !important; }
.akte-inhalt .kg-gallery-row:nth-child(odd) .kg-gallery-image:nth-child(2) { flex: 0.85 1 0% !important; }
.akte-inhalt .kg-gallery-row:nth-child(even) .kg-gallery-image:last-child { flex: 1.3 1 0% !important; }

.akte-inhalt .kg-gallery-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.kg-gallery-image::after {
  position: absolute;
  right: 0.45rem;
  bottom: 0.35rem;
  min-width: 1.8rem;
  padding: 0.1rem 0.25rem;
  content: counter(plate, decimal-leading-zero);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-align: center;
  background: var(--ink);
}

.kg-video-card video {
  display: block;
  width: 100%;
  height: auto;
}

.kg-embed-card {
  --embed-ratio: 16 / 9;
  width: min(92vw, 68rem);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.kg-embed-card iframe {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  aspect-ratio: var(--embed-ratio);
  border: 0;
}

.kg-audio-card {
  padding-block: 1rem;
  border-block: 1px solid var(--rule);
  border-radius: 0;
  box-shadow: none;
}

.kg-callout-card {
  background: var(--light-background) !important;
  border: 1px solid var(--rule-soft);
  border-radius: 0;
}

.kg-toggle-card {
  background: none !important;
  border: 1px solid var(--rule-soft);
  border-radius: 0;
}

.kg-button-card .kg-btn {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  background: none !important;
  color: var(--ink) !important;
  border: none;
  border-bottom: 1px solid var(--warm-rule);
  border-radius: 0;
  padding: 0 0 2px;
  height: auto;
}

.kg-button-card .kg-btn:hover { border-color: var(--warm); }

.kg-bookmark-container {
  border: 1px solid var(--rule-soft) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: inherit !important;
}

/* Lücke — für HTML-Cards des Verfassers */

.luecke {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--warm);
  border: 1px dashed var(--warm-rule);
  padding: 0.7rem 0.9rem;
}

/* Nachtseite — kursiver Block mit warmer Linie */

.nachtseite {
  border-left: 2px solid var(--warm-rule);
  padding-left: 1.4rem;
  font-style: italic;
}

/* ============ 6. Rückseite ============ */

.akte-rueckseite[hidden] { display: none; }

.akte-rueckseite .akte-rueckseite__inhalt { margin-top: 1rem; }

dl.stammdaten {
  margin: 3rem 0 0;
  border-top: 1px solid var(--rule);
  font-size: 1rem;
}

dl.stammdaten > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

dl.stammdaten dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-top: 0.35rem;
}

dl.stammdaten dd { margin: 0; }

dl.stammdaten a { text-decoration: none; border-bottom: 1px solid var(--warm-rule); }

.akte-vermerke { margin-top: 3.5rem; }

/* ============ 7. Registerliste ============ */

.register-liste {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.register-zeile {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

.register-jahr {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 0.3rem;
}

.register-titel {
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.register-titel:hover {
  border-bottom-color: var(--warm-rule);
}

.register-satz {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

.register-linie {
  margin-left: 0.7rem;
}

.pagination {
  display: grid;
  margin-top: 2rem;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.pagination a { color: inherit; text-decoration: none; }
.pagination a:hover { color: var(--ink); }
.pagination .newer-posts { justify-self: start; }
.pagination .older-posts { justify-self: end; }
.pagination .page-number { grid-column: 2; }

/* ============ 8. Kleinteile ============ */

.marker,
.marker-knopf {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--muted);
}

.marker-knopf,
.such-knopf {
  background: none;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0 0 2px;
  cursor: pointer;
}

.marker-knopf:hover,
.such-knopf:hover { color: var(--ink); border-color: var(--ink); }

.such-knopf { border-bottom-style: dashed; }

.pfeil { color: var(--warm); }

.akte-fuss {
  margin-top: 5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.akte-fuss a { text-decoration: none; border-bottom: 1px solid var(--warm-rule); padding-bottom: 1px; }
.akte-fuss a:hover { border-color: var(--warm); }

.akte-fuss__knoepfe { display: flex; gap: 1rem; }

@media (max-width: 40rem) {
  dl.stammdaten > div { grid-template-columns: 1fr; gap: 0.15rem; }
  .register-zeile { grid-template-columns: 3rem 1fr; }

  .akte-inhalt .kg-gallery-row {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .akte-inhalt .kg-gallery-row:nth-child(n) .kg-gallery-image:nth-child(n) {
    flex: 1 1 calc(50% - 0.75rem) !important;
    margin-top: 0;
  }

  .akte-inhalt .kg-gallery-row:nth-child(odd) .kg-gallery-image:first-child {
    flex-basis: 100% !important;
  }
}

/* ============ 9. Druckfassung ============ */

@page { margin: 22mm 20mm; }

@media print {
  html { background: #fff; }

  body {
    font-size: 10.5pt;
    line-height: 1.5;
    color: #000;
  }

  .site-kopf,
  .site-fuss,
  body::before,
  .no-print { display: none !important; }

  .akte-seite { max-width: none; padding: 0; }

  .akte-rueckseite[hidden] { display: block; }

  .akte-rueckseite { break-before: page; }

  figure, section, .register-zeile { break-inside: avoid; }

  figcaption { break-before: avoid; }

  a { text-decoration: none; }

  .akte-fuss a::after {
    content: " · " attr(href);
    font-family: var(--mono);
    font-size: 7pt;
    color: #444;
  }

  .luecke {
    color: #8a6f4d;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}