/* === Variables === */
:root {
  --bg: #faf8f5;
  --bg-card: #ffffff;
  --bg-nav: #3d3228;
  --text: #2c2418;
  --text-muted: #8a7e6f;
  --text-light: #b5a998;
  --accent: #b87333;
  --accent-hover: #a36429;
  --accent-light: #f3e8db;
  --border: #e8e0d6;
  --border-dark: #d4c9bb;
  --danger: #c44d4d;
  --danger-bg: #fdf2f2;
  --success: #4a8c5c;
  --success-bg: #f0f8f2;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(44, 36, 24, 0.08);
  --shadow-lg: 0 4px 16px rgba(44, 36, 24, 0.1);
  --transition: 0.2s ease;
  --max-width: 1200px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; }

/* === Navigation === */
.main-nav {
  background: var(--bg-nav);
  color: #f0ebe4;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  height: 56px;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #f0ebe4;
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
}
.nav-brand:hover { color: #fff; }
.nav-brand svg { opacity: 0.9; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav-links > a {
  color: #c8bfb3;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: var(--transition);
}
.nav-links > a:hover, .nav-links > a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.btn-nav-upload {
  color: var(--accent-light) !important;
  background: var(--accent);
  padding: 0.4rem 0.9rem !important;
  border-radius: var(--radius) !important;
  font-weight: 600;
  font-size: 0.85rem !important;
  margin-left: 0.5rem;
}
.btn-nav-upload:hover {
  background: var(--accent-hover) !important;
  color: #fff !important;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  font-size: 0.85rem;
}
.nav-right a { color: #a89e92; }
.nav-right a:hover { color: #fff; }
.nav-user {
  color: #d4c9bb;
  padding-right: 0.5rem;
  border-right: 1px solid rgba(255,255,255,0.15);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #f0ebe4;
  cursor: pointer;
  padding: 0.25rem;
  margin-left: auto;
}

/* === Container === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* === Page Header === */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
}

.page-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn:hover { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }

.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--accent-light); }

.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b33e3e; color: #fff; }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}
.btn-icon:hover { background: var(--danger-bg); color: var(--danger); }

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 1rem; font-size: 1.1rem; }
.card-danger { border-color: #e8c4c4; }

/* === Forms === */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 600px;
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.form-section h3 { margin-bottom: 1rem; font-size: 1rem; color: var(--text-muted); }

.inline-form { display: inline; }

/* === Alerts === */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #e8c4c4; }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #c4deca; }

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
}
.badge-available { background: var(--success-bg); color: var(--success); }
.badge-used { background: var(--bg); color: var(--text-muted); }

/* === Auth Pages === */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-header svg { margin-bottom: 0.75rem; }
.auth-header h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.auth-header p { color: var(--text-muted); font-size: 0.9rem; }

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* === Photo Grid === */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.photo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: var(--text);
}
.photo-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}

.photo-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--accent-light);
}
.photo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.photo-card:hover .photo-thumb img { transform: scale(1.03); }

.photo-card-info {
  padding: 0.6rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.photo-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}

.photo-persons-preview {
  font-size: 0.78rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.photo-desc-preview {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* === Photo View === */
.photo-view { max-width: 1100px; margin: 0 auto; }

.photo-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.photo-main {
  background: #1a1610;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
  text-align: center;
}

.photo-full {
  max-height: 70vh;
  cursor: zoom-in;
  transition: transform 0.3s ease;
}
.photo-full.zoomed {
  max-height: none;
  cursor: zoom-out;
}

.photo-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* Meta list */
.meta-list dt {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 0.75rem;
}
.meta-list dt:first-child { margin-top: 0; }
.meta-list dd { font-size: 0.9rem; }

/* Edit section */
.edit-section { margin-top: 1rem; }
.edit-section summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}
.edit-form { margin-top: 1rem; }

/* Tags */
.tag-list { margin-bottom: 1rem; }
.tag-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.tag-item:last-child { border-bottom: none; }

.person-tag { text-decoration: none; color: var(--text); }
.person-tag:hover { color: var(--accent); }
.person-tag .text-muted { font-size: 0.8rem; margin-left: 0.3rem; }

.tag-form { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }

/* Comments */
.comment-list { margin-bottom: 1.5rem; }
.comment {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.comment:last-child { border-bottom: none; }
.comment-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
  font-size: 0.85rem;
}
.comment p { font-size: 0.9rem; }

.comment-form textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background: var(--bg);
  resize: vertical;
}
.comment-form .btn { margin-top: 0.5rem; }

/* === Filter Bar === */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: end;
}

.filter-group select,
.filter-input {
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--bg);
  color: var(--text);
}
.filter-input { min-width: 200px; }
.filter-group select:focus, .filter-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* === Persons Grid === */
.persons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.person-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  transition: var(--transition);
  color: var(--text);
}
.person-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
  color: var(--text);
}

.person-card-icon { color: var(--text-light); flex-shrink: 0; }
.person-card-info { display: flex; flex-direction: column; gap: 0.1rem; }
.person-relation { font-size: 0.8rem; color: var(--accent); }
.person-details { display: flex; gap: 1rem; color: var(--text-muted); font-size: 0.9rem; }

/* === Album Grid === */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.album-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  color: var(--text);
}
.album-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}

.album-cover {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--accent-light);
}
.album-cover img { width: 100%; height: 100%; object-fit: cover; }
.album-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
}

.album-card-info { padding: 0.75rem 1rem; }
.album-card-info strong { display: block; }

/* === Admin === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-section { margin-bottom: 2rem; }
.admin-section h2 { margin-bottom: 0.5rem; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.admin-table th, .admin-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.admin-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.invite-code {
  background: var(--accent-light);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
}

/* === Upload === */
.upload-form { max-width: 700px; }

.dropzone {
  border: 2px dashed var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}
.dropzone p { margin-top: 0.5rem; }

.file-list { margin-top: 1rem; text-align: left; }
.file-item {
  font-size: 0.85rem;
  color: var(--text);
  padding: 0.3rem 0;
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state h3 { margin: 1rem 0 0.5rem; color: var(--text); }
.empty-state .btn { margin-top: 1rem; }

/* === Footer === */
.main-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-light);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

/* === Utilities === */
.text-muted { color: var(--text-muted); }

/* === Mobile === */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-nav);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }
  .main-nav.open .nav-links { display: flex; }
  .nav-right { margin-left: 0; flex-wrap: wrap; padding-top: 0.75rem; border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-user { border: none; padding: 0; }
  .btn-nav-upload { margin: 0; text-align: center; }

  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .photo-details-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .filter-form { flex-direction: column; }
  .filter-input { min-width: 100%; }
  .page-header { flex-direction: column; }
  .container { padding: 1rem; }

  .admin-table { display: block; overflow-x: auto; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   HUB / OVERVIEW STYLES
   Append this to the end of public/css/style.css
   ============================================= */

/* Hub stats bar */
.hub-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.hub-stats strong { color: var(--text); }
.hub-stat-alert {
  color: var(--accent) !important;
  font-weight: 600;
}

/* Hub search */
.hub-search {
  margin-bottom: 2rem;
}
.hub-search form {
  display: flex;
  gap: 0.5rem;
  max-width: 500px;
}
.hub-search-input {
  flex: 1;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--bg-card);
}
.hub-search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 115, 51, 0.15);
}

/* Hub sections */
.hub-section {
  margin-bottom: 2.5rem;
}
.hub-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.hub-section-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

/* Horizontal scrolling card row */
.hub-card-row {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.hub-card-row::-webkit-scrollbar { height: 6px; }
.hub-card-row::-webkit-scrollbar-track { background: transparent; }
.hub-card-row::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 3px; }

/* Hub cards (album, person, decade) */
.hub-card {
  flex: 0 0 180px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: var(--text);
}
.hub-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--accent);
  color: var(--text);
}

.hub-card-cover {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--accent-light);
  position: relative;
}
.hub-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.hub-card:hover .hub-card-cover img { transform: scale(1.05); }

.hub-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  background: var(--accent-light);
}

.hub-card-label {
  padding: 0.5rem 0.7rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.3rem;
  font-size: 0.85rem;
}
.hub-card-label strong {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Decade overlay */
.decade-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.5rem;
  background: linear-gradient(transparent, rgba(44, 36, 24, 0.7));
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  text-align: center;
}
.decade-label {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-light);
}

/* Quick links */
.hub-quicklinks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hub-quicklink {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  background: var(--accent-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
}
.hub-quicklink:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.hub-quicklink svg { flex-shrink: 0; }

/* Smaller grid for recent photos */
.photo-grid-sm {
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

/* Back link */
.back-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: inline-block;
  margin-bottom: 0.3rem;
}
.back-link:hover { color: var(--accent); }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.pagination-info {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Mobile adjustments for hub */
@media (max-width: 768px) {
  .hub-card { flex: 0 0 150px; }
  .photo-grid-sm { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .hub-search form { max-width: 100%; }
}