/* ============================================
   Gallery + Admin Styles
   Extends style.css variables and base styles
   ============================================ */

/* -------------------------------------------
   Gallery Header
   ------------------------------------------- */
.family-header {
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  padding: 0 40px 60px;
  position: relative;
}

.family-header::before {
  content: '&';
  position: absolute;
  top: -10%;
  right: -5%;
  font-family: var(--serif);
  font-size: 60vw;
  font-weight: 900;
  color: var(--cream-dark);
  line-height: 1;
  pointer-events: none;
  opacity: 0.3;
}

.family-header-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.family-title {
  font-family: var(--serif);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.family-title em {
  color: var(--accent);
}

.family-subtitle {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

/* -------------------------------------------
   Filter Bar
   ------------------------------------------- */
.gallery-filter-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--cream);
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
  padding: 16px 40px;
}

.filter-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.category-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  /* WHY: Hide scrollbar — tabs scroll via swipe on mobile */
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex-shrink: 0;
}

.category-tabs::-webkit-scrollbar { display: none; }

.category-tab {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: none;
  border: 1px solid transparent;
  padding: 8px 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.category-tab:hover {
  color: var(--ink);
  border-color: rgba(26, 26, 26, 0.15);
}

.category-tab.active {
  color: var(--ink);
  background: var(--ink);
  color: var(--cream);
}

/* WHY: Visual hint that tabs are expandable (+) and collapsible (−) */
.category-tab::after {
  content: ' +';
  font-weight: 400;
  opacity: 0.5;
}

.category-tab.active::after {
  content: ' \2212';
  opacity: 1;
}

.gallery-search {
  flex: 1;
  min-width: 0;
  max-width: 280px;
  margin-left: auto;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(26, 26, 26, 0.2);
  padding: 8px 0;
  outline: none;
  transition: border-color 0.3s;
}

.gallery-search:focus {
  border-bottom-color: var(--accent);
}

.gallery-search::placeholder {
  color: var(--muted);
}

/* -------------------------------------------
   Gallery Grid
   ------------------------------------------- */
/* WHY: Gallery starts collapsed (max-height: 0) and expands with a smooth transition when a category is selected */
.gallery-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 40px 120px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.5s ease, opacity 0.4s ease;
}

.gallery-container.gallery-expanded {
  max-height: none;
  overflow: visible;
  opacity: 1;
}

.gallery-grid {
  display: grid;
  /* WHY: auto-fill with minmax creates a responsive grid without media queries */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.gallery-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 0;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--muted);
}

/* -------------------------------------------
   Gallery Card
   ------------------------------------------- */
.gallery-card {
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  animation: galleryFadeIn 0.5s ease forwards;
}

@keyframes galleryFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gallery-card-image {
  position: relative;
  overflow: hidden;
  background: var(--cream-dark);
  /* WHY: Fixed aspect ratio prevents layout shift as images lazy-load */
  aspect-ratio: 4 / 3;
}

.gallery-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-card:hover .gallery-card-image img {
  transform: scale(1.05);
}

.gallery-card-category {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
}

.gallery-card-caption {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink);
  margin-top: 12px;
  /* WHY: Clamp to 2 lines to keep cards uniform height */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gallery-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.gallery-card-tag {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--cream-dark);
  padding: 3px 8px;
}

/* -------------------------------------------
   Lightbox
   ------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2rem;
  color: var(--cream);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  color: var(--cream);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 16px;
  line-height: 1;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.lightbox-prev:hover,
.lightbox-next:hover { opacity: 1; }

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

.lightbox-meta {
  color: var(--cream);
  text-align: center;
  margin-top: 20px;
  max-width: 600px;
}

.lightbox-caption {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 12px;
}

.lightbox-details {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cream-dark);
  opacity: 0.7;
}

.lightbox-people {
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
}

/* -------------------------------------------
   Feed States (shared)
   ------------------------------------------- */
.feed-empty {
  text-align: center;
  padding: 80px 0;
}

.empty-text {
  font-family: var(--serif);
  font-size: 2rem;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 8px;
}

.empty-sub {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
}

.feed-loading {
  display: flex;
  justify-content: center;
  padding: 60px 0;
}

.loader {
  width: 24px;
  height: 24px;
  border: 2px solid var(--cream-dark);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* -------------------------------------------
   Admin Layout
   ------------------------------------------- */
.admin-body {
  cursor: auto;
}

.admin-body a,
.admin-body button,
.admin-body input,
.admin-body select,
.admin-body textarea {
  cursor: auto;
}

.admin-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 40px;
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
  background: var(--cream);
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-logo {
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.admin-badge {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: rgba(232, 68, 58, 0.08);
  padding: 4px 10px;
}

.logout-btn {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: none;
  border: 1px solid rgba(26, 26, 26, 0.15);
  padding: 6px 16px;
  transition: all 0.3s;
}

.logout-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* -------------------------------------------
   Login Gate
   ------------------------------------------- */
.login-gate {
  min-height: calc(100vh - 65px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-title {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.login-hint {
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 40px;
  line-height: 1.6;
}

.google-signin-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(26, 26, 26, 0.2);
  padding: 14px 32px;
  transition: all 0.3s;
}

.google-signin-btn:hover {
  border-color: var(--ink);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.login-error {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  padding: 16px 0 0;
}

/* -------------------------------------------
   Admin Panel
   ------------------------------------------- */
.admin-panel {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 40px 120px;
}

.admin-section {
  margin-bottom: 80px;
}

.admin-heading {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

/* Drive Picker Button */
.drive-picker-btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink);
  background: none;
  border: 2px solid var(--ink);
  padding: 14px 32px;
  transition: all 0.3s;
  margin-bottom: 32px;
}

.drive-picker-btn:hover {
  background: var(--ink);
  color: var(--cream);
}

/* -------------------------------------------
   Publish Queue
   ------------------------------------------- */
.queue-title {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 20px;
}

.queue-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.queue-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  align-items: start;
  padding: 16px;
  background: var(--white);
  border: 1px solid rgba(26, 26, 26, 0.08);
}

.queue-thumb {
  width: 80px;
  height: 60px;
  object-fit: cover;
  background: var(--cream-dark);
}

.queue-item-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
  /* WHY: Truncate long filenames */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.queue-item-fields input,
.queue-item-fields select {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(26, 26, 26, 0.15);
  padding: 6px 0;
  outline: none;
  width: 100%;
  border-radius: 0;
}

.queue-item-fields input:focus,
.queue-item-fields select:focus {
  border-bottom-color: var(--accent);
}

.queue-remove-btn {
  font-size: 1.2rem;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  transition: color 0.2s;
}

.queue-remove-btn:hover {
  color: var(--accent);
}

.queue-actions {
  display: flex;
  gap: 12px;
}

.clear-queue-btn {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: none;
  border: 1px solid rgba(26, 26, 26, 0.15);
  padding: 10px 20px;
  transition: all 0.3s;
}

.clear-queue-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* -------------------------------------------
   Admin Filters
   ------------------------------------------- */
.admin-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.admin-search {
  flex: 1;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(26, 26, 26, 0.2);
  padding: 10px 0;
  outline: none;
  border-radius: 0;
}

.admin-search:focus {
  border-bottom-color: var(--accent);
}

.admin-category-filter {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(26, 26, 26, 0.15);
  padding: 8px 12px;
  outline: none;
  border-radius: 0;
}

/* -------------------------------------------
   Admin Photo List
   ------------------------------------------- */
.admin-posts {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-post {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 20px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

.admin-post-thumb {
  width: 100px;
  height: 70px;
  object-fit: cover;
  background: var(--cream-dark);
}

.admin-post-info {
  min-width: 0;
}

.admin-post-caption {
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 4px;
  /* WHY: Truncate long captions in the admin list view */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-post-date {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-photo-category {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(232, 68, 58, 0.08);
  padding: 2px 8px;
  margin-left: 8px;
}

.admin-post-actions {
  display: flex;
  gap: 8px;
}

.edit-btn,
.delete-btn {
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: none;
  border: 1px solid rgba(26, 26, 26, 0.15);
  padding: 6px 12px;
  transition: all 0.3s;
  white-space: nowrap;
}

.edit-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.delete-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.admin-empty {
  padding: 40px 0;
}

.admin-empty p {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

/* -------------------------------------------
   Edit Modal
   ------------------------------------------- */
.edit-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(26, 26, 26, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.edit-modal {
  background: var(--cream);
  width: 100%;
  max-width: 500px;
  padding: 40px;
}

.edit-modal-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 32px;
}

.edit-modal .field {
  margin-bottom: 20px;
}

.edit-modal .field label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.edit-modal .field input,
.edit-modal .field textarea,
.edit-modal .field select {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(26, 26, 26, 0.2);
  padding: 10px 0;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
  width: 100%;
  border-radius: 0;
  transition: border-color 0.3s;
}

.edit-modal .field input:focus,
.edit-modal .field textarea:focus,
.edit-modal .field select:focus {
  border-bottom-color: var(--accent);
}

.edit-modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.cancel-btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  background: none;
  border: 1px solid rgba(26, 26, 26, 0.15);
  padding: 14px 32px;
  transition: all 0.3s;
}

.cancel-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* -------------------------------------------
   Active nav link
   ------------------------------------------- */
.nav-link-active {
  color: var(--accent) !important;
}

/* -------------------------------------------
   Responsive
   ------------------------------------------- */
@media (max-width: 768px) {
  .family-header {
    padding: 0 24px 40px;
  }

  .gallery-filter-bar {
    padding: 12px 24px;
  }

  .filter-bar-inner {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }

  .gallery-search {
    max-width: none;
    margin-left: 0;
  }

  .gallery-container {
    padding: 32px 24px 80px;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
  }

  .lightbox-prev { left: 4px; font-size: 2rem; }
  .lightbox-next { right: 4px; font-size: 2rem; }
  .lightbox-close { top: 12px; right: 16px; }

  .admin-nav {
    padding: 16px 24px;
  }

  .admin-panel {
    padding: 40px 24px 80px;
  }

  .admin-post {
    grid-template-columns: 80px 1fr;
    gap: 12px;
  }

  .admin-post-actions {
    grid-column: 2;
  }

  .admin-filters {
    flex-direction: column;
  }

  .queue-item {
    grid-template-columns: 60px 1fr auto;
    gap: 12px;
  }

  .queue-thumb {
    width: 60px;
    height: 45px;
  }

  .queue-item-fields {
    grid-template-columns: 1fr;
  }

  .login-gate {
    padding: 24px;
  }

  .edit-modal {
    padding: 24px;
  }
}