/* ============================================================
   Our Family Tree - Main Stylesheet
   margaretobrien.com
   ============================================================ */

/* --- Variables --- */
:root {
  --bg: #f8f4ef;
  --white: #ffffff;
  --brown-dark: #4a3520;
  --brown-mid: #7a5c3a;
  --brown-light: #c4a882;
  --green: #5a7a5a;
  --green-light: #8aaa8a;
  --green-pale: #e8f0e8;
  --text: #2d2015;
  --text-light: #6b5a45;
  --border: #d4c4a8;
  --shadow: rgba(74, 53, 32, 0.12);
  --shadow-md: rgba(74, 53, 32, 0.2);
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brown-dark); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--brown-dark);
  line-height: 1.3;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* --- Navigation --- */
.site-nav {
  background-color: var(--brown-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px var(--shadow-md);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #f0e8d8;
  font-weight: normal;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}
.nav-logo svg { flex-shrink: 0; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-links a, .nav-dropdown > button {
  color: #d4c4a8;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
  background: none;
  border: none;
}
.nav-links a:hover, .nav-dropdown > button:hover,
.nav-links a.active { color: #ffffff; background: rgba(255,255,255,0.15); }
.nav-dropdown {
  position: relative;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px var(--shadow-md);
  min-width: 160px;
  overflow: hidden;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--text);
  font-size: 0.9rem;
  border-radius: 0;
}
.nav-dropdown-menu a:hover { background: var(--green-pale); color: var(--brown-dark); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #d4c4a8;
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Page Header --- */
.page-header {
  background: linear-gradient(135deg, var(--brown-dark) 0%, var(--brown-mid) 100%);
  color: var(--white);
  padding: 3rem 1.5rem;
  text-align: center;
}
.page-header h1 { color: #f0e8d8; margin-bottom: 0.5rem; }
.page-header p { color: #c4a882; font-size: 1.05rem; }

/* --- Main Content --- */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}
.content-narrow {
  max-width: 800px;
  margin: 0 auto;
}

/* --- Hero (Homepage) --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-text h1 { margin-bottom: 1rem; }
.hero-text p { font-size: 1.1rem; color: var(--text-light); margin-bottom: 1.5rem; }
.hero-author {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--brown-mid);
  font-size: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
}
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image svg {
  width: 100%;
  max-width: 420px;
  filter: drop-shadow(0 4px 16px var(--shadow-md));
}

/* Homepage quick-links */
.home-links {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 1.5rem;
}
.home-links-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.home-links h2 { text-align: center; margin-bottom: 2rem; }
.link-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.link-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.link-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--shadow);
  border-color: var(--brown-light);
}
.link-card-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.link-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--brown-dark); }
.link-card p { font-size: 0.88rem; color: var(--text-light); }

/* --- Cards & Panels --- */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px var(--shadow);
}
.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.card-header h2, .card-header h3 { margin: 0; }

/* --- Sections --- */
.section { margin-bottom: 3rem; }
.section-title {
  font-family: var(--font-serif);
  color: var(--brown-dark);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--brown-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --- Reference List (About page) --- */
.reference-list { padding-left: 0; }
.reference-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  display: flex;
  gap: 0.75rem;
}
.reference-list li:last-child { border-bottom: none; }
.ref-icon { color: var(--brown-light); flex-shrink: 0; margin-top: 2px; }
.links-list li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.links-list a {
  color: var(--green);
  word-break: break-all;
}
.links-list a::before { content: '→ '; }

/* --- Tree Viewer --- */
.tree-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.tree-sidebar { position: sticky; top: 80px; }
.search-box {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.search-box:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(90,122,90,0.15);
}
.search-results {
  margin-top: 0.75rem;
  max-height: 480px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}
.search-result-item {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition);
  font-size: 0.9rem;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover, .search-result-item.selected {
  background: var(--green-pale);
}
.search-result-item strong { color: var(--brown-dark); }
.search-result-item small { color: var(--text-light); display: block; margin-top: 1px; }
.search-hint {
  padding: 1rem;
  text-align: center;
  color: var(--text-light);
  font-size: 0.88rem;
  font-style: italic;
}
.profile-panel { min-height: 300px; }
.profile-name {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--brown-dark);
  margin-bottom: 0.25rem;
}
.profile-dates {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}
.profile-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.profile-fact {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}
.profile-fact label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 0.2rem;
}
.profile-fact span {
  font-size: 0.92rem;
  color: var(--text);
}
.relation-group { margin-bottom: 1.25rem; }
.relation-group h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}
.relation-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.relation-chip {
  background: var(--green-pale);
  border: 1px solid #c0d4c0;
  border-radius: 50px;
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
  color: var(--brown-dark);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.relation-chip:hover { background: #d0e8d0; border-color: var(--green); }
.relation-chip.living {
  background: #f0f0f0;
  border-color: #ccc;
  color: #888;
  cursor: default;
  font-style: italic;
}
.profile-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-light);
}
.profile-empty svg { margin: 0 auto 1rem; opacity: 0.3; }
.profile-empty p { font-size: 1rem; }

/* --- Family Pages --- */
.family-header-bar {
  background: linear-gradient(135deg, var(--brown-dark), var(--brown-mid));
  color: var(--white);
  padding: 3rem 1.5rem;
  text-align: center;
}
.family-header-bar h1 { color: #f0e8d8; }
.family-header-bar p { color: var(--brown-light); margin-top: 0.5rem; }
.surname-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  padding: 0.3rem 1.25rem;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

/* Member list */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.member-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.member-card:hover {
  box-shadow: 0 4px 16px var(--shadow);
  border-color: var(--brown-light);
}
.member-card h4 { color: var(--brown-dark); margin-bottom: 0.25rem; }
.member-card .dates { font-size: 0.83rem; color: var(--text-light); }
.member-card .role-tag {
  display: inline-block;
  background: var(--green-pale);
  border-radius: 50px;
  padding: 0.1rem 0.6rem;
  font-size: 0.75rem;
  color: var(--green);
  margin-top: 0.4rem;
  margin-right: 0.25rem;
}
.member-loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-light);
  font-style: italic;
}

/* Photo Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px var(--shadow);
}
.gallery-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.gallery-item figcaption {
  padding: 0.6rem 0.75rem;
  font-size: 0.83rem;
  color: var(--text-light);
  font-style: italic;
}
.gallery-placeholder {
  text-align: center;
  padding: 2.5rem;
  background: var(--bg);
  border-radius: var(--radius);
  color: var(--text-light);
  border: 2px dashed var(--border);
  font-style: italic;
  font-size: 0.95rem;
}

/* Photo submission form */
.submission-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.submission-form h3 { margin-bottom: 1.25rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brown-dark);
  margin-bottom: 0.35rem;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(90,122,90,0.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group input[type="file"] {
  width: 100%;
  padding: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-light);
}
.form-note {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.25rem;
  font-style: italic;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--green);
  color: var(--white);
}
.btn-primary:hover { background: var(--brown-dark); box-shadow: 0 2px 8px var(--shadow-md); }
.btn-secondary {
  background: var(--bg);
  color: var(--brown-dark);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { background: var(--white); border-color: var(--brown-light); }
.form-success {
  display: none;
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  color: #2e7d32;
  font-size: 0.92rem;
  margin-top: 1rem;
}

/* --- Loading Spinner --- */
.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-center {
  text-align: center;
  padding: 3rem;
  color: var(--text-light);
}
.loading-center p { margin-top: 0.75rem; font-style: italic; }

/* --- Breadcrumbs --- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--green); }
.breadcrumb span { color: var(--text-light); }

/* --- Footer --- */
.site-footer {
  background: var(--brown-dark);
  color: #c4a882;
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.85rem;
  margin-top: auto;
}
.site-footer p { margin-bottom: 0.3rem; }
.site-footer a { color: var(--brown-light); }

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none !important; }

/* --- Responsive --- */
@media (max-width: 900px) {
  .tree-layout { grid-template-columns: 1fr; }
  .tree-sidebar { position: static; }
  .hero { grid-template-columns: 1fr; text-align: center; padding: 2.5rem 1.5rem; }
  .hero-image { order: -1; }
  .hero-image svg { max-width: 280px; }
}
@media (max-width: 700px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--brown-dark);
    padding: 1rem;
    box-shadow: 0 4px 16px var(--shadow-md);
    gap: 0.25rem;
    z-index: 99;
  }
  .nav-links.open .nav-dropdown-menu {
    display: block;
    position: static;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius);
    margin-top: 0.25rem;
  }
  .nav-links.open .nav-dropdown-menu a { color: #d4c4a8; }
}
@media (max-width: 500px) {
  .profile-facts { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}