/* =========================================================
   haferlach.de — modern remake
   Pure HTML + CSS, no JavaScript
   ========================================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --sidebar-bg:        #1e2330;
  --sidebar-border:    #2d3447;
  --sidebar-text:      #c8d0e0;
  --sidebar-muted:     #6b7a99;
  --sidebar-hover-bg:  #2a3350;
  --sidebar-active-bg: #c0392b;
  --sidebar-active:    #ffffff;
  --accent:            #c0392b;
  --accent-light:      #e74c3c;
  --content-bg:        #f8f9fa;
  --content-text:      #2c3e50;
  --content-muted:     #7f8c8d;
  --card-bg:           #ffffff;
  --card-border:       #e1e8ed;
  --font:              -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--content-text);
  background: var(--sidebar-bg);
}

/* =========================================================
   Page layout (desktop: sidebar + content)
   ========================================================= */

.page {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* =========================================================
   Sidebar
   ========================================================= */

.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--sidebar-border) transparent;
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-decoration: none;
  display: block;
}

.sidebar-logo span {
  color: var(--accent);
}

.sidebar-tagline {
  font-size: 0.72rem;
  color: var(--sidebar-muted);
  margin-top: 0.2rem;
  letter-spacing: 0.03em;
}

.sidebar-nav {
  padding: 0.75rem 0 1.5rem;
  flex: 1;
}

.nav-section {
  margin-top: 0.25rem;
}

/* ── <details>/<summary> collapsible nav sections ── */

.nav-section summary {
  display: block;
  padding: 0.45rem 1.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sidebar-muted);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color 0.15s ease;
}

.nav-section summary::-webkit-details-marker { display: none; }

.nav-section summary::after {
  content: ' ▸';
  font-size: 0.6rem;
  opacity: 0.6;
  transition: transform 0.2s ease;
  display: inline-block;
}

.nav-section[open] summary::after {
  transform: rotate(90deg);
}

.nav-section summary:hover {
  color: var(--sidebar-text);
}

/* Active section highlight */
.nav-section[open] summary {
  color: #ffffff;
}

/* Legacy static section title (kept for non-details usage) */
.nav-section-title {
  display: block;
  padding: 0.5rem 1.25rem 0.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sidebar-muted);
}

.nav-links {
  list-style: none;
}

.nav-links li a {
  display: block;
  padding: 0.45rem 1.25rem;
  font-size: 0.875rem;
  color: var(--sidebar-text);
  text-decoration: none;
  border-radius: 0;
  transition: background 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
  border-left: 3px solid transparent;
}

.nav-links li a:hover,
.nav-links li a:focus {
  background: var(--sidebar-hover-bg);
  color: #ffffff;
  border-left-color: var(--accent);
  padding-left: 1.5rem;
  outline: none;
}

.nav-top {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--sidebar-border);
  margin-bottom: 0.25rem;
}

/* ── Nav groups (top-level accordion) ── */

.nav-group {
  margin-top: 0.15rem;
}

.nav-group > summary {
  display: block;
  padding: 0.5rem 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sidebar-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-group > summary::-webkit-details-marker { display: none; }

.nav-group > summary::after {
  content: ' ▸';
  font-size: 0.6rem;
  opacity: 0.6;
  display: inline-block;
  transition: transform 0.2s ease;
}

.nav-group[open] > summary::after {
  transform: rotate(90deg);
}

.nav-group > summary:hover,
.nav-group[open] > summary {
  background: var(--sidebar-hover-bg);
  color: #ffffff;
}

.nav-group-content {
  border-left: 2px solid var(--sidebar-border);
  margin-left: 1.5rem;
  padding-bottom: 0.25rem;
}

.nav-group-content .nav-section summary {
  padding-left: 0.75rem;
}

.nav-group-content .nav-links li a {
  padding-left: 0.75rem;
}

.nav-group-content .nav-links li a:hover,
.nav-group-content .nav-links li a:focus {
  padding-left: 1rem;
}

/* =========================================================
   Mobile hamburger toggle (pure CSS)
   ========================================================= */

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  padding: 0.75rem 1rem;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  font-size: 0.9rem;
  font-weight: 600;
  align-items: center;
  gap: 0.6rem;
  user-select: none;
  border-bottom: 1px solid var(--sidebar-border);
  width: 100%;
}

.nav-toggle-label .hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 20px;
}

.nav-toggle-label .hamburger span {
  display: block;
  height: 2px;
  background: var(--sidebar-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* =========================================================
   Main content
   ========================================================= */

.content {
  background: var(--content-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 3rem 2rem;
  min-height: 100vh;
  min-width: 0;
}

.content-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 3rem 2.5rem;
  max-width: 600px;
  width: 100%;
  text-align: center;
}

/* ── Converted page content area ── */

.content-inner {
  width: 100%;
  max-width: 900px;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  overflow-x: auto;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* Normalize old HTML presentational elements */
.content-inner center {
  display: block;
  text-align: center;
}

.content-inner font {
  font-family: var(--font);
}

.content-inner h1,
.content-inner h2,
.content-inner h3 {
  color: var(--content-text);
  line-height: 1.25;
  margin: 1.25rem 0 0.6rem;
  font-weight: 700;
}

.content-inner h1 { font-size: clamp(1.4rem, 3vw, 2rem); }
.content-inner h2 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
.content-inner h3 { font-size: 1.1rem; }

.content-inner p {
  margin: 0.75rem 0;
  line-height: 1.7;
}

.content-inner img {
  max-width: 100% !important;
  width: auto !important;
  height: auto !important;
  border-radius: 6px;
  display: block;
  margin: 1rem auto;
}

.content-inner a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

.content-inner a:hover {
  color: var(--accent-light);
  text-decoration: underline;
}

.content-inner table {
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  max-width: 100%;
  margin: 1rem auto;
}

.content-inner td,
.content-inner th {
  padding: 0.4rem 0.7rem;
  vertical-align: top;
}

.content-inner ul,
.content-inner ol {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}

.content-inner li {
  margin: 0.3rem 0;
  line-height: 1.6;
}

/* Family name heading */
.family-name {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--content-text);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.family-name .dot {
  color: var(--accent);
}

.family-name-sub {
  font-size: 0.875rem;
  color: var(--content-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

/* Family crest placeholder */
.crest {
  width: 180px;
  height: 200px;
  margin: 0 auto 2.5rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crest-shape {
  width: 140px;
  height: 160px;
  background: linear-gradient(160deg, var(--sidebar-bg) 0%, #2a3350 100%);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 50% 100%, 0 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.crest-inner {
  color: #c8d0e0;
  font-size: 2.5rem;
  margin-top: -1.5rem;
  line-height: 1;
}

.crest-letter {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  display: block;
}

/* Scrolling ticker (pure CSS) */
.ticker-wrapper {
  overflow: hidden;
  background: var(--sidebar-bg);
  border-radius: 6px;
  padding: 0.6rem 0;
  margin-bottom: 2.5rem;
  position: relative;
}

.ticker-wrapper::before,
.ticker-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2.5rem;
  z-index: 1;
  pointer-events: none;
}

.ticker-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--sidebar-bg), transparent);
}

.ticker-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--sidebar-bg), transparent);
}

.ticker-text {
  display: inline-block;
  white-space: nowrap;
  color: var(--sidebar-text);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding: 0 1rem;
  animation: marquee 22s linear infinite;
}

.ticker-text::before {
  content: '▶ ';
  color: var(--accent);
}

@keyframes marquee {
  from { transform: translateX(100vw); }
  to   { transform: translateX(-100%); }
}

/* Last updated */
.last-updated {
  font-size: 0.8rem;
  color: var(--content-muted);
  border-top: 1px solid var(--card-border);
  padding-top: 1.5rem;
  margin-top: 0.5rem;
}

.last-updated strong {
  color: var(--content-text);
}

/* =========================================================
   Responsive: mobile (< 768px)
   ========================================================= */

@media (max-width: 767px) {
  html {
    background: var(--content-bg);
  }

  .page {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    overflow: visible;
    border-right: none;
    border-bottom: 1px solid var(--sidebar-border);
  }

  .nav-toggle-label {
    display: flex;
  }

  /* Hide nav by default on mobile */
  .sidebar-nav {
    display: none;
  }

  /* Show nav when checkbox is checked (input is sibling of nav inside sidebar) */
  .nav-toggle:checked ~ .sidebar-nav {
    display: block;
    border-top: 1px solid var(--sidebar-border);
    animation: slideDown 0.2s ease;
  }

  /* Animate hamburger to X when open */
  .nav-toggle:checked ~ .nav-toggle-label .hamburger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle:checked ~ .nav-toggle-label .hamburger span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle:checked ~ .nav-toggle-label .hamburger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .content {
    padding: 1.5rem 1rem;
  }

  .content-card {
    padding: 2rem 1.25rem;
    border-radius: 8px;
  }

  .content-inner {
    padding: 1rem;
    border-radius: 6px;
  }

  /* Photo layout tables: stack cells vertically so images fill screen width */
  .content-inner .photo-table,
  .content-inner .photo-table tbody,
  .content-inner .photo-table tr,
  .content-inner .photo-table td,
  .content-inner .photo-table th {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }

  .content-inner .photo-table td img,
  .content-inner .photo-table th img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0.5rem auto;
  }
}

/* =========================================================
   Responsive: small mobile (< 480px)
   ========================================================= */

@media (max-width: 479px) {
  .content {
    padding: 0.75rem 0.5rem;
  }

  .content-card {
    padding: 1.5rem 1rem;
  }

  .content-inner {
    padding: 0.75rem;
  }

  .family-name {
    font-size: 1.9rem;
  }

  .ticker-text {
    font-size: 0.75rem;
  }

  .crest-shape {
    width: 110px;
    height: 126px;
  }

  .crest-letter {
    font-size: 2.8rem;
  }
}