/* =========================================================================
   WB-SW – Wettkampfbestimmungen Schwimmen
   Design-Prototyp v1
   ========================================================================= */

:root {
  /* --- Markenfarben --- */
  --blue:       #00695C;   /* Petrol/Tanne, abgeleitet aus historischem WB-AT-Grün #007E68 */
  --gold:       #FFCD00;   /* Pantone 116 C */
  --blue-contrast: #FFFFFF;

  /* --- Neutrale Palette --- */
  --gray-900: #1A1D23;
  --gray-700: #3F4552;
  --gray-500: #6B7280;
  --gray-300: #C7CCD3;
  --gray-200: #E5E8EC;
  --gray-100: #F1F3F5;
  --gray-50:  #F8F9FA;
  --white:    #FFFFFF;

  /* --- Semantik: Änderungen / Historie --- */
  --amend-bg:     #FFF9E0;
  --amend-border: #E0A800;
  --amend-text:   #7A5900;
  --archive-bg:   #F8F9FA;
  --archive-text: #6B7280;

  /* --- Typografie --- */
  --font-body: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* --- Layout --- */
  --content-max: 1180px;
  --radius: 6px;
  --nav-width: 300px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

img { max-width: 100%; }

/* =========================================================================
   Header
   ========================================================================= */
.site-header {
  background: var(--blue);
  color: var(--blue-contrast);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--blue-contrast);
  font-size: 15px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; opacity: 0.9; }
.crumb {
  font-size: 14px;
  opacity: 0.9;
  flex: 1 1 auto;
}
.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-left: auto;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-contrast);
  border: 1px solid rgba(255,255,255,0.45);
}
.pill:hover { background: rgba(255,255,255,0.12); text-decoration: none; }

/* Lane-rope divider – Signatur-Element */
.lane-divider {
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--gold) 0 10px,
    var(--blue) 10px 22px
  );
  opacity: 0.75;
}

/* =========================================================================
   Layout
   ========================================================================= */
.layout {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 20px 64px;
  display: grid;
  grid-template-columns: var(--nav-width) 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

/* --- Navigation --- */
.toc {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 8px;
  position: sticky;
  top: 78px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.toc-mobile-toggle { display: none; }

@media (max-width: 860px) {
  .toc {
    position: static;
    max-height: none;
    display: none;
  }
  .toc.open { display: block; }
  .toc-mobile-toggle {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 12px 14px;
    font: inherit;
    font-weight: 600;
    color: var(--blue);
    margin-bottom: 12px;
    cursor: pointer;
  }
}

.toc details {
  border-bottom: 1px solid var(--gray-100);
}
.toc details:last-child { border-bottom: none; }
.toc summary {
  font-weight: 700;
  font-size: 13px;
  padding: 10px 8px;
  cursor: pointer;
  color: var(--gray-700);
  list-style: none;
}
.toc summary::-webkit-details-marker { display: none; }
.toc summary::before {
  content: "▸";
  display: inline-block;
  width: 1em;
  color: var(--blue);
}
.toc details[open] summary::before { content: "▾"; }

.toc ul {
  list-style: none;
  margin: 0 0 8px;
  padding: 0 0 0 18px;
}
.toc li { margin: 0; }
.toc a {
  display: block;
  padding: 5px 8px;
  font-size: 13.5px;
  color: var(--gray-700);
  border-radius: 4px;
}
.toc a:hover { background: var(--gray-100); text-decoration: none; }
.toc a.current {
  background: var(--blue);
  color: var(--blue-contrast);
  font-weight: 700;
}
.toc .dot-material {
  color: var(--blue);
  font-size: 8px;
  vertical-align: middle;
  margin-left: 3px;
}

.toc-external {
  margin-top: 4px;
  padding: 10px 8px 4px;
}
.toc-external a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 6px 4px;
}

/* --- Main content --- */
.main {
  min-width: 0;
}

.index-lead {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.index-lead h1 {
  margin: 0 0 8px;
  font-size: 24px;
  color: var(--gray-900);
}
.index-lead p {
  margin: 0;
  color: var(--gray-500);
  font-size: 15px;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* --- ABC-Stichwortregister --- */
.term-filter {
  width: 100%;
  max-width: 360px;
  margin-top: 14px;
  padding: 9px 14px;
  font: inherit;
  font-size: 14px;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  color: var(--gray-900);
}
.term-filter:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.abc-table-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow-x: auto;
}
table.abc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
table.abc-table thead th {
  position: sticky;
  top: 0;
  background: var(--gray-900);
  color: var(--white);
  text-align: left;
  padding: 10px 14px;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
table.abc-table td {
  padding: 8px 14px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
  white-space: nowrap;
}
table.abc-table td.term {
  font-weight: 600;
  white-space: normal;
  min-width: 160px;
}
table.abc-table tbody tr:nth-child(odd) { background: var(--gray-50); }
table.abc-table tbody tr:hover { background: var(--amend-bg); }
table.abc-table a { font-size: 13px; }
table.abc-table td b a, table.abc-table td a b {
  color: var(--blue);
}
@media (max-width: 600px) {
  .index-grid { grid-template-columns: 1fr; }
}
.index-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.index-card h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--blue);
  margin: 0 0 10px;
}
.index-card ul { list-style: none; margin: 0; padding: 0; }
.index-card li { margin: 0; }
.index-card a {
  display: block;
  padding: 5px 0;
  color: var(--gray-900);
  font-size: 14.5px;
}
.index-card a:hover { color: var(--blue); }

/* --- Paragraph header (§-Seite) --- */
.para-hero {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.para-hero__number {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
  background: var(--gray-100);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}
.para-hero__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  flex: 1 1 300px;
}
.para-hero__materials {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
  margin-top: 4px;
}
.material-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 5px 10px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  color: var(--gray-700);
}
.material-link:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }

/* --- Versions-Karten --- */
.version {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.version__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--gray-700);
}
.version__head .badge-current {
  background: var(--blue);
  color: var(--blue-contrast);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: 0.03em;
}
.version__body {
  padding: 20px 24px;
  font-size: 15px;
}
.version__body p, .version__body { line-height: 1.65; }

mark.amend {
  background: var(--amend-bg);
  color: var(--amend-text);
  border-bottom: 2px solid var(--amend-border);
  padding: 0 2px;
  border-radius: 2px;
}

/* Eingebettete Datentabellen innerhalb eines Paragrafen (z.B. § 104) */
.version__body table.data-table {
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 14px;
}
.version__body table.data-table th,
.version__body table.data-table td {
  border: 1px solid var(--gray-200);
  padding: 6px 12px;
  text-align: left;
}
.version__body table.data-table th {
  background: var(--gray-50);
  font-weight: 700;
}

/* Historische Fassungen als <details> */
.archive { margin-bottom: 12px; }
.archive summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 20px;
  background: var(--archive-bg);
  border-bottom: 1px solid var(--gray-200);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--archive-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.archive summary::-webkit-details-marker { display: none; }
.archive summary::before { content: "▸"; }
.archive[open] summary::before { content: "▾"; }
.archive .version__body { background: var(--archive-bg); color: var(--gray-700); }
.archive .version__body s { color: #B23B3B; }

.note {
  font-size: 13.5px;
  color: var(--gray-500);
  font-style: italic;
}

/* --- Prev/Next --- */
.para-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
}
.para-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  color: var(--gray-900);
  background: var(--white);
}
.para-nav a:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }

/* --- Footer --- */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-300);
  text-align: center;
  padding: 18px 20px;
  font-size: 13px;
}
.site-footer a { color: var(--white); font-weight: 600; }

/* =========================================================================
   Fachteil-Switcher (Header) — Wechsel zwischen WB-AT / WB-SW / WB-FS / WB-MS
   Farben pro Fachteil (final): AT #00695C (Petrol), SW #222D5A (Nachtblau),
   FS #006D8F (Ozeanblau), MS #6B4A9E (Violett)
   ========================================================================= */
.fachteil-switch {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.fachteil-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blue-contrast);
  opacity: 0.85;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.35);
  white-space: nowrap;
}
.fachteil-pill:hover { opacity: 1; text-decoration: none; background: rgba(255,255,255,0.12); }
.fachteil-pill.is-current {
  font-weight: 700;
  opacity: 1;
  background: rgba(255,255,255,0.18);
  border-color: transparent;
  cursor: default;
}
.fachteil-pill.is-current:hover { background: rgba(255,255,255,0.18); }
.fachteil-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.6);
  display: inline-block;
  flex: none;
}
.fachteil-pill.is-current .fachteil-dot { border: 1.5px solid #fff; }
.fachteil-pill--at .fachteil-dot { background: #00695C; }
.fachteil-pill--sw .fachteil-dot { background: #222D5A; }
.fachteil-pill--fs .fachteil-dot { background: #006D8F; }
.fachteil-pill--ms .fachteil-dot { background: #6B4A9E; }

@media (max-width: 700px) {
  .fachteil-pill span:not(.fachteil-dot) { display: none; }
  .fachteil-pill { padding: 6px; }
}

/* =========================================================================
   Reinschrift-Seiten (Aktuell/…) — schlanke Einzelansicht ohne Historie
   ========================================================================= */
.reinschrift-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}
.reinschrift-tag {
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-500);
  margin: 0 0 16px;
  font-weight: 600;
}
.reinschrift-wrap .para-hero {
  margin-bottom: 20px;
}
.reinschrift-wrap .version__body {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 28px;
}
.reinschrift-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-weight: 600;
  font-size: 14px;
  color: var(--blue);
}
.reinschrift-back:hover { text-decoration: underline; }