/* E-Rechnung Klartext – gleiche Gestaltungsgrundlage wie der GDT Viewer, Akzent Blau */
:root {
  --bg: #0f1419;
  --bg-elevated: #1a222c;
  --bg-soft: #232d3a;
  --border: #2e3a4a;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3b82f6;
  --accent-dim: rgba(59, 130, 246, 0.15);
  --accent-hover: #60a5fa;
  --on-accent: #06142b;
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.12);
  --warn: #fbbf24;
  --warn-bg: rgba(251, 191, 36, 0.12);
  --ok: #4ade80;
  --ok-bg: rgba(74, 222, 128, 0.12);
  --radius: 14px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "SF Mono", "Menlo", "Consolas", ui-monospace, monospace;
  /* Papieransicht der Rechnung */
  --paper: #ffffff;
  --paper-text: #1b1f24;
  --paper-muted: #545b64;
  --paper-line: #d8dde3;
  --paper-soft: #f3f5f8;
  --paper-accent: #1d4ed8;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.18), transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-wrap: break-word;
}

a {
  color: var(--accent-hover);
}

:focus-visible {
  outline: 3px solid var(--accent-hover);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.page-content {
  max-width: 800px;
}

/* Navigation */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.15rem;
  margin: 0 0 1.5rem;
  padding: 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.site-nav a:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.site-nav a[aria-current="page"] {
  color: var(--accent-hover);
  background: var(--accent-dim);
}

/* Kopfzeile */
.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.brand {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  color: inherit;
  text-decoration: none;
}

.logo {
  display: grid;
  place-items: center;
  flex: none;
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: linear-gradient(145deg, #60a5fa, var(--accent) 45%, #1d4ed8);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

.logo svg {
  display: block;
}

.brand-name {
  display: block;
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  display: block;
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent-hover);
  font-size: 0.8rem;
  font-weight: 600;
}

.privacy-badge .dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero {
  margin: 0 0 1.25rem;
}

.hero .lead {
  margin-top: 0.5rem;
}

.lead {
  margin: 0;
  font-size: 1.08rem;
  color: color-mix(in srgb, var(--text) 80%, var(--muted));
  line-height: 1.6;
}

.stand-line {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.stand-line a {
  color: var(--accent-hover);
}

/* Knöpfe */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--muted);
  background: var(--bg-soft);
}

.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Werkzeug */
.tool {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.tool code,
.fact code {
  overflow-wrap: anywhere;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition: border-color 0.15s, background 0.15s;
}

.dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.dropzone-inner {
  padding: 2rem 1.25rem;
  text-align: center;
}

.drop-icon {
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.drop-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.drop-sub {
  margin: 0.35rem 0 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.privacy-note {
  margin: 1.25rem auto 0;
  max-width: 40rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  text-align: left;
  font-size: 0.9rem;
}

.privacy-note strong {
  display: block;
  color: var(--text);
}

.privacy-note details {
  margin-top: 0.35rem;
  color: color-mix(in srgb, var(--text) 85%, var(--muted));
}

.privacy-note summary {
  cursor: pointer;
  color: var(--accent-hover);
  font-weight: 600;
  padding: 0.35rem 0;
}

.privacy-note ol {
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
}

.samples {
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.samples h2 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.samples p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.sample-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.file-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.file-tab {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-tab[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent-hover);
}

.result-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.result-head h2 {
  margin: 0;
  font-size: 1.1rem;
  word-break: break-all;
}

.result-head .muted {
  margin: 0.2rem 0 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.muted {
  color: var(--muted);
  font-size: 0.88rem;
}

.impl {
  color: var(--ok);
  font-size: 0.8rem;
  white-space: nowrap;
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.75rem;
}

.fact {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}

.fact .label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.fact .value {
  font-weight: 600;
  font-size: 0.98rem;
}

.fact p {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--text) 80%, var(--muted));
}

.fact.is-ok {
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border));
}

.fact.is-warn {
  border-color: color-mix(in srgb, var(--warn) 55%, var(--border));
}

.fact.is-error {
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border));
}

.panel {
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.panel > h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.panel > h2 + p {
  margin-top: 0;
}

.notice {
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.notice h2,
.notice h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.notice p {
  margin: 0.4rem 0 0;
}

.notice.is-warn {
  background: var(--warn-bg);
  border-color: color-mix(in srgb, var(--warn) 45%, transparent);
}

.notice.is-error {
  background: var(--danger-bg);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}

.notice.is-ok {
  background: var(--ok-bg);
  border-color: color-mix(in srgb, var(--ok) 40%, transparent);
}

.badge {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: middle;
}

.badge-error {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.badge-info {
  background: var(--accent-dim);
  color: var(--accent-hover);
}

.badge-ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.findings {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.finding {
  padding: 0.8rem 0.95rem;
  border-radius: 12px;
  background: var(--bg-soft);
  border-left: 4px solid var(--muted);
}

.finding.is-error {
  border-left-color: var(--danger);
}

.finding.is-warn {
  border-left-color: var(--warn);
}

.finding.is-info {
  border-left-color: var(--accent);
}

.finding h3 {
  margin: 0;
  font-size: 0.98rem;
}

.finding p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--text) 85%, var(--muted));
}

.finding .who {
  font-weight: 600;
  color: var(--text);
}

.finding a {
  color: var(--accent-hover);
}

.disclaimer {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.75rem;
}

.tab[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent-hover);
}

/* Rechnung wie auf Papier */
.paper {
  background: var(--paper);
  color: var(--paper-text);
  color-scheme: light;
  border-radius: 6px;
  box-shadow: var(--shadow);
  padding: clamp(1rem, 4vw, 2.5rem);
  font-size: 0.92rem;
  line-height: 1.45;
}

.paper a {
  color: var(--paper-accent);
}

.paper h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--paper-text);
}

.paper h3 {
  margin: 1.4rem 0 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--paper-muted);
}

.paper .paper-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
}

.paper .party {
  margin: 0;
  font-style: normal;
}

.paper .party-role {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--paper-muted);
  margin-bottom: 0.2rem;
}

.paper .party-name {
  font-weight: 700;
  font-size: 1rem;
}

.paper .meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.35rem 1.25rem;
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  background: var(--paper-soft);
  border-radius: 6px;
}

.paper dl {
  margin: 0;
}

.paper .meta div {
  min-width: 0;
}

.paper dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--paper-muted);
}

.paper dd {
  margin: 0;
  font-weight: 600;
}

.paper .kv {
  display: grid;
  grid-template-columns: minmax(9rem, max-content) minmax(0, 1fr);
  gap: 0.25rem 1rem;
}

.paper .kv dt {
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0;
}

.paper .kv dd {
  font-weight: 500;
}

.paper .lines-wrap {
  overflow-x: auto;
  margin: 0 -0.25rem;
}

.paper table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.paper th,
.paper td {
  padding: 0.5rem 0.45rem;
  border-bottom: 1px solid var(--paper-line);
  text-align: left;
  vertical-align: top;
}

.paper th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--paper-muted);
  border-bottom: 2px solid var(--paper-text);
}

.paper .num {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.paper .line-desc {
  display: block;
  color: var(--paper-muted);
  font-size: 0.82rem;
}

.paper .totals {
  margin: 1rem 0 0 auto;
  max-width: 24rem;
}

.paper .totals table td {
  border-bottom: 1px solid var(--paper-line);
}

.paper .totals .grand td {
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 2px solid var(--paper-text);
}

.paper .two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0 1.5rem;
}

.paper .doc-title {
  margin-top: 1.5rem;
}

.paper td.sub-1 {
  padding-left: 1.4rem;
}

.paper td.sub-2 {
  padding-left: 2.4rem;
}

.paper td.sub-3 {
  padding-left: 3.4rem;
}

.paper .code {
  color: var(--paper-muted);
  font-size: 0.8em;
}

.paper .xref {
  border-radius: 3px;
}

.paper.linkable .xref {
  cursor: pointer;
  text-decoration: underline dotted var(--paper-accent);
  text-underline-offset: 3px;
}

.paper.linkable .xref:hover,
.paper.linkable .xref:focus-visible {
  background: #dbeafe;
  outline: none;
}

.paper .attach-list {
  margin: 0;
  padding-left: 1.1rem;
}

.paper .attach-list li + li {
  margin-top: 0.35rem;
}

.paper .paper-btn {
  appearance: none;
  border: 1px solid var(--paper-accent);
  background: #fff;
  color: var(--paper-accent);
  border-radius: 6px;
  padding: 0.3rem 0.65rem;
  min-height: 36px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.paper .paper-btn:hover {
  background: #eff6ff;
}

.paper .paper-note {
  margin-top: 1.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--paper-line);
  color: var(--paper-muted);
  font-size: 0.78rem;
}

.paper .more-lines {
  margin: 0.75rem 0 0;
  text-align: center;
}

/* Rohansicht */
.raw-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.6rem;
}

.raw-tools input[type="search"] {
  flex: 1 1 12rem;
  min-width: 0;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
}

.raw-view {
  position: relative;
  height: min(60vh, 560px);
  overflow: auto;
  background: #0b1016;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 20px;
}

.raw-view .raw-inner {
  position: relative;
}

.raw-view .raw-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 20px;
  padding: 0 0.75rem 0 4.2rem;
  white-space: pre;
}

.raw-view .ln {
  position: absolute;
  left: 0;
  width: 3.5rem;
  text-align: right;
  color: #5d6b7c;
  user-select: none;
}

.raw-view .t {
  color: #93c5fd;
}

.raw-view .a {
  color: #fcd34d;
}

.raw-view .v {
  color: #86efac;
}

.raw-view .c {
  color: #8b9aab;
}

.raw-view .hit {
  background: rgba(251, 191, 36, 0.28);
}

.raw-view .raw-line.is-target {
  background: rgba(59, 130, 246, 0.28);
}

.raw-status {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  min-height: 1.2em;
}

/* Inhaltsseiten */
.breadcrumb {
  margin: 0 0 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  opacity: 0.5;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent-hover);
}

.hero-article {
  margin-bottom: 1.5rem;
}

.hero-article h1 {
  margin-bottom: 0.65rem;
}

.answer {
  margin: 0;
  padding: 1rem 1.1rem;
  font-size: 1.08rem;
  line-height: 1.6;
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 12px;
}

.answer-src {
  margin: 0.4rem 0 0;
}

.meta-line {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.prose {
  font-size: 1.02rem;
  line-height: 1.7;
}

.prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 1rem;
}

.prose h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.08rem;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1rem;
  color: color-mix(in srgb, var(--text) 92%, var(--muted));
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose a {
  color: var(--accent-hover);
  text-underline-offset: 2px;
}

.prose a:hover {
  color: var(--text);
}

.prose code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
  overflow-wrap: anywhere;
}

.prose strong {
  color: var(--text);
  font-weight: 650;
}

.table-scroll {
  overflow-x: auto;
  margin: 0 0 1.15rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-elevated);
}

.table-scroll table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  line-height: 1.5;
}

.table-scroll th,
.table-scroll td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.table-scroll thead th {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.table-scroll tbody th {
  font-weight: 650;
  color: var(--text);
}

.table-scroll tr:last-child > * {
  border-bottom: none;
}

.table-scroll .num {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.table-scroll caption {
  caption-side: bottom;
  padding: 0.6rem 0.85rem;
  text-align: left;
  font-size: 0.8rem;
  color: var(--muted);
}

.source {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.source a {
  color: var(--muted);
}

.source a:hover {
  color: var(--accent-hover);
}

.callout {
  margin: 1.25rem 0;
  padding: 1rem 1.1rem;
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 12px;
}

.callout p {
  margin: 0;
  color: var(--text);
}

.callout p + p {
  margin-top: 0.6rem;
}

.callout-title {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
  color: var(--accent-hover);
}

.legal-note {
  margin: 1.5rem 0 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.toc {
  margin: 0 0 1.75rem;
  padding: 1rem 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.toc-title {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.toc ol {
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.95rem;
}

.toc li + li {
  margin-top: 0.3rem;
}

.toc a {
  color: var(--text);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent-hover);
}

.faq details {
  margin: 0 0 0.65rem;
  padding: 0.85rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq details p {
  margin: 0.65rem 0 0;
  color: color-mix(in srgb, var(--text) 85%, var(--muted));
  font-size: 0.97rem;
}

.cta-box {
  margin: 2rem 0 0;
  padding: 1.25rem 1.3rem;
  background: var(--bg-elevated);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cta-box p {
  margin: 0;
  max-width: 36rem;
  color: color-mix(in srgb, var(--text) 85%, var(--muted));
  font-size: 0.95rem;
}

.cta-box strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 1.5rem;
}

.card-link {
  display: block;
  padding: 1.05rem 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}

.card-link:hover {
  border-color: var(--accent);
}

.card-link h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  color: var(--text);
}

.card-link p {
  margin: 0;
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--text) 75%, var(--muted));
  line-height: 1.5;
}

.home-faq {
  margin-top: 2.25rem;
}

.home-faq > h2 {
  margin: 0 0 0.75rem;
  font-size: 1.3rem;
}

.qa {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
}

.qa article {
  padding: 1rem 1.1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.qa h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.qa p {
  margin: 0;
  font-size: 0.93rem;
  color: color-mix(in srgb, var(--text) 85%, var(--muted));
}

.qa p + p {
  margin-top: 0.5rem;
}

.related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.related h2 {
  margin: 0 0 0.85rem;
  font-size: 1.1rem;
}

/* Begriffe */
.terms dt {
  margin-top: 1.25rem;
  font-size: 1.05rem;
  scroll-margin-top: 1rem;
}

.terms dd {
  margin: 0.25rem 0 0;
}

.terms dd p {
  margin: 0 0 0.35rem;
}

.terms dt:target + dd {
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

/* Fehlercodes */
.code-search {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 0 0 1rem;
  padding: 0.75rem 0;
  background: var(--bg);
}

.code-search label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.code-search input {
  width: 100%;
  min-height: 46px;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
}

.code-search p {
  margin: 0.4rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.rule-group {
  margin: 1.75rem 0 0;
  content-visibility: auto;
  contain-intrinsic-size: auto 2600px;
}

.rule-group:first-of-type {
  content-visibility: visible;
}

.rule-group h2 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  scroll-margin-top: 6rem;
}

.rule-group > p {
  margin: 0 0 0.75rem;
}

.rules-table table {
  table-layout: fixed;
  min-width: 860px;
}

.rules-table .c-code {
  width: 11rem;
}

.rules-table .c-off {
  width: 30%;
}

.rules-table .c-who {
  width: 12rem;
}

.rules-table th[scope="row"] {
  font-family: var(--mono);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.rules-table th[scope="row"] a {
  display: inline-block;
  min-height: 28px;
  min-width: 28px;
  padding: 0.2rem 0;
  line-height: 1.5;
  color: var(--accent-hover);
  text-decoration: none;
}

.rules-table .off {
  display: block;
}

.rules-table .off-en {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.rules-table tr[id] {
  scroll-margin-top: 7rem;
}

.rules-table tr:target {
  background: var(--accent-dim);
}

.rules-table tr.is-hidden,
.rule-group.is-hidden {
  display: none;
}

/* Fußbereich */
.site-footer {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.25rem;
  text-align: left;
  margin-bottom: 1.25rem;
}

.site-footer h2 {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 0.15rem;
}

.site-footer a {
  display: inline-block;
  padding: 0.2rem 0;
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
}

.site-footer a:hover {
  color: var(--accent-hover);
}

.site-footer-note {
  text-align: center;
  font-size: 0.8rem;
  margin: 0;
}

.hidden {
  display: none !important;
}

noscript .notice {
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .page {
    padding: 1.25rem 1rem 2rem;
  }

  .site-nav a {
    font-size: 0.8rem;
    padding: 0.45rem 0.55rem;
  }

  .paper .paper-top {
    grid-template-columns: minmax(0, 1fr);
  }

  .paper .kv {
    grid-template-columns: minmax(0, 1fr);
  }

  .paper .kv dd {
    margin-bottom: 0.4rem;
  }

  .paper .lines-table thead {
    display: none;
  }

  .paper .lines-table,
  .paper .lines-table tbody,
  .paper .lines-table tr,
  .paper .lines-table td {
    display: block;
    width: 100%;
  }

  .paper .lines-table tr {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--paper-line);
  }

  .paper .lines-table td {
    border: 0;
    padding: 0.1rem 0;
    text-align: left;
    white-space: normal;
  }

  .paper .lines-table td[data-label]::before {
    content: attr(data-label) ": ";
    color: var(--paper-muted);
    font-size: 0.8rem;
  }

}

@media print {
  @page {
    margin: 14mm;
  }

  html,
  body {
    background: #fff !important;
    color: #000;
  }

  .no-print,
  .site-nav,
  .header,
  .hero,
  .site-footer,
  .skip-link {
    display: none !important;
  }

  .page {
    max-width: none;
    padding: 0;
  }

  .tool {
    display: block;
  }

  .paper {
    box-shadow: none;
    padding: 0;
    font-size: 10pt;
  }

  .paper .paper-btn,
  .paper .more-lines {
    display: none;
  }

  .paper .lines-wrap {
    overflow: visible;
  }

  .paper tr {
    break-inside: avoid;
  }
}