/* ============================================================
   Family Photo Album - Styles
   Warm, elegant theme for a family photo collection
   ============================================================ */

:root {
  --bg-primary: #f5f0e8;
  --bg-secondary: #ffffff;
  --bg-dark: #1a1a1a;
  --text-primary: #2c2418;
  --text-secondary: #6b5e50;
  --text-light: #9a8d7f;
  --accent: #b8860b;
  --accent-light: #daa520;
  --accent-hover: #996515;
  --success: #4a7c59;
  --danger: #a94442;
  --border: #e0d5c5;
  --shadow: 0 2px 8px rgba(44, 36, 24, 0.1);
  --shadow-hover: 0 4px 16px rgba(44, 36, 24, 0.18);
  --radius: 8px;
  --radius-sm: 4px;
  --header-height: 64px;
}

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

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* ============================================================
   HEADER
   ============================================================ */
#app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 50;
  box-shadow: var(--shadow);
}

#app-header h1 {
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}

#app-header h1 small {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 400;
  margin-left: 8px;
}

#app-header nav {
  margin-left: 32px;
  display: flex;
  gap: 4px;
}

#app-header nav button {
  background: none;
  border: none;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

#app-header nav button:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
}

#app-header nav button.active {
  background: var(--accent);
  color: white;
}

#user-info {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

#user-info #user-name-display {
  color: var(--text-secondary);
}

#user-info button {
  background: none;
  border: 1px solid var(--border);
  padding: 4px 10px;
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

/* ============================================================
   VIEWS (show/hide)
   ============================================================ */
.view {
  display: none;
}

.view.active {
  display: block;
}

/* ============================================================
   GALLERY VIEW
   ============================================================ */
#gallery-view {
  padding-top: calc(var(--header-height) + 16px);
  padding-bottom: 24px;
}

#gallery-toolbar {
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

#search-input {
  flex: 0 1 280px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}

#search-input:focus {
  border-color: var(--accent);
}

#people-filter {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

#gallery-stats {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-light);
}

#gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 8px 24px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-secondary);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  aspect-ratio: 1;
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 10px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  opacity: 0;
  transition: opacity 0.2s;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-people {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.9);
  font-family: sans-serif;
}

.gallery-item-status {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 10px;
  font-family: sans-serif;
}

.status-confirmed {
  background: var(--success);
  color: white;
}

.status-ai-draft {
  background: var(--accent);
  color: white;
}

.status-none {
  background: rgba(255,255,255,0.3);
  color: white;
}

/* ============================================================
   PEOPLE FILTER CHIPS
   ============================================================ */
.person-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.8rem;
  font-family: sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.person-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.person-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.person-chip .chip-count {
  font-size: 0.7rem;
  opacity: 0.7;
}

/* ============================================================
   DETAIL VIEW
   ============================================================ */
#detail-view {
  padding-top: var(--header-height);
  min-height: 100vh;
}

#detail-container {
  display: flex;
  min-height: calc(100vh - var(--header-height));
}

#detail-photo-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-dark);
  min-height: 400px;
}

#detail-photo-area img {
  max-width: 100%;
  max-height: calc(100vh - var(--header-height));
  object-fit: contain;
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.4);
  color: white;
  border: none;
  font-size: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 2;
}

.nav-btn:hover {
  background: rgba(0,0,0,0.7);
}

#detail-prev { left: 16px; }
#detail-next { right: 16px; }

#detail-sidebar {
  width: 400px;
  min-width: 400px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  max-height: calc(100vh - var(--header-height));
}

.sidebar-section {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-section h3 {
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-section h3 .badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-family: sans-serif;
  font-weight: 400;
}

/* AI Annotation display */
.ai-field {
  margin-bottom: 10px;
}

.ai-field-label {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: sans-serif;
  margin-bottom: 3px;
}

.ai-field-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.ai-field-value.corrected {
  text-decoration: line-through;
  opacity: 0.5;
}

.ai-field-correction {
  font-size: 0.9rem;
  color: var(--success);
  margin-top: 2px;
}

/* Annotation actions */
.annotation-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.annotation-actions button {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: sans-serif;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.annotation-actions button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-confirm {
  color: var(--success) !important;
  border-color: var(--success) !important;
}

.btn-confirm:hover {
  background: var(--success) !important;
  color: white !important;
}

/* Edit modal for corrections */
.edit-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.edit-form {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 24px;
  width: 500px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.edit-form h3 {
  color: var(--accent);
  margin-bottom: 16px;
}

.edit-form label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 4px;
  font-family: sans-serif;
}

.edit-form textarea,
.edit-form input[type="text"] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  margin-bottom: 12px;
  resize: vertical;
}

.edit-form textarea:focus,
.edit-form input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}

.edit-form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.edit-form-actions button {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-family: sans-serif;
  font-size: 0.85rem;
}

.btn-save {
  background: var(--accent);
  color: white;
}

.btn-cancel {
  background: var(--bg-primary);
  color: var(--text-secondary);
}

/* People tags in detail view */
#people-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.person-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--bg-primary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-family: sans-serif;
}

.person-tag .remove-person {
  cursor: pointer;
  opacity: 0.5;
  font-size: 0.7rem;
}

.person-tag .remove-person:hover {
  opacity: 1;
  color: var(--danger);
}

#add-person-form {
  display: flex;
  gap: 6px;
}

#person-input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: sans-serif;
  font-size: 0.85rem;
}

#person-input:focus {
  outline: none;
  border-color: var(--accent);
}

#person-suggestions {
  position: absolute;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  max-height: 150px;
  overflow-y: auto;
  z-index: 100;
}

#person-suggestions .suggestion {
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: sans-serif;
}

#person-suggestions .suggestion:hover {
  background: var(--bg-primary);
}

.btn-add-person {
  padding: 6px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: sans-serif;
  font-size: 0.85rem;
}

/* Anecdotes */
.anecdote-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
}

.anecdote-text {
  font-size: 0.9rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-primary);
}

.anecdote-meta {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-light);
  font-family: sans-serif;
  display: flex;
  justify-content: space-between;
}

.anecdote-delete {
  cursor: pointer;
  color: var(--danger);
  opacity: 0.5;
}

.anecdote-delete:hover {
  opacity: 1;
}

#anecdote-input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  min-height: 80px;
  margin-bottom: 8px;
}

#anecdote-input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-add-anecdote {
  padding: 8px 20px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: sans-serif;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.btn-add-anecdote:hover {
  background: var(--accent-hover);
}

/* ============================================================
   SLIDESHOW VIEW
   ============================================================ */
#slideshow-view {
  background: #000;
  position: fixed;
  inset: 0;
  z-index: 100;
}

#slideshow-view .slide {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  z-index: 1;
}

#slideshow-view .slide.active {
  opacity: 1;
}

#slideshow-annotation-overlay {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.75);
  color: rgba(255,255,255,0.9);
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  max-width: 600px;
  text-align: center;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
  font-family: sans-serif;
}

#slideshow-annotation-overlay.visible {
  opacity: 1;
}

#frame-overlay {
  position: fixed;
  bottom: 0;
  left: 24px;
  z-index: 10;
  pointer-events: none;
}

#frame-overlay img {
  height: 60px;
  width: auto;
  opacity: 0.85;
}

#counter {
  position: fixed;
  bottom: 12px;
  right: 16px;
  color: rgba(255,255,255,0.3);
  font-family: monospace;
  font-size: 0.8rem;
  z-index: 20;
  pointer-events: none;
}

#pause-indicator {
  position: fixed;
  top: 20px;
  right: 20px;
  color: rgba(255,255,255,0.7);
  font-family: monospace;
  font-size: 1.2rem;
  z-index: 20;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

#slideshow-exit {
  position: fixed;
  top: 16px;
  left: 16px;
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 20;
  opacity: 0.3;
  transition: opacity 0.2s;
}

#slideshow-exit:hover {
  opacity: 1;
}

/* ============================================================
   USER MODAL
   ============================================================ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 32px;
  width: 400px;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.modal-content h2 {
  color: var(--accent);
  margin-bottom: 8px;
  font-size: 1.3rem;
}

.modal-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.modal-content input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  text-align: center;
  margin-bottom: 16px;
}

.modal-content input:focus {
  outline: none;
  border-color: var(--accent);
}

.modal-content button {
  padding: 10px 32px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: sans-serif;
  font-size: 1rem;
  transition: background 0.2s;
}

.modal-content button:hover {
  background: var(--accent-hover);
}

/* ============================================================
   LOADING & EMPTY STATES
   ============================================================ */
.loading-spinner {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  font-size: 1rem;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}

.empty-state p {
  font-size: 1rem;
  margin-bottom: 8px;
}

.empty-state small {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  #detail-container {
    flex-direction: column;
  }

  #detail-sidebar {
    width: 100%;
    min-width: unset;
    max-height: none;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  #detail-photo-area {
    min-height: 300px;
    max-height: 50vh;
  }
}

@media (max-width: 600px) {
  #app-header {
    padding: 0 12px;
  }

  #app-header h1 small {
    display: none;
  }

  #app-header nav button {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  #gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
    padding: 8px 12px;
  }

  #gallery-toolbar {
    padding: 8px 12px;
  }

  .sidebar-section {
    padding: 14px;
  }
}