/* /app/static/style.css
==============================================================================
  ImageRepo – Global Styles
  - Theme tokens
  - Base & layout
  - Header / Navbar
  - Flash messages
  - Pagination
  - Gallery
  - Modal viewer
  - Tag overlays & editor
  - Tag/Artist cards (tags_list.html)
  - Settings
  - Index / Landing
  - Forms
==============================================================================*/

/*------------------------------------------------------------------------------
  Theme tokens - Dark theme matching showcase
------------------------------------------------------------------------------*/
:root {
  /* surfaces */
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --panel: #1a1a1a;
  --panel-alt: rgba(20, 20, 20, 0.95);

  /* nav */
  --nav-bg: rgba(0, 0, 0, 0.8);
  --nav-border: rgba(255, 255, 255, 0.08);

  /* text */
  --text: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  /* accents */
  --link: #a78bfa;
  --link-hover: #c4b5fd;

  /* shadows */
  --shadow-1: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-2: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.6);

  /* buttons */
  --btn-primary: #6366f1;
  --btn-primary-hover: #4f46e5;
  --btn-danger: #dc2626;
  --btn-danger-hover: #b91c1c;

  /* flash */
  --flash-info: #3b82f6;
  --flash-success: #22c55e;
  --flash-warning: #f59e0b;
  --flash-danger: #ef4444;

  /* filter pills */
  --filter-bg: rgba(255, 255, 255, 0.08);
  --filter-fg: #e2e8f0;
  --filter-border: rgba(255, 255, 255, 0.15);
  --filter-active-bg: #6366f1;
  --filter-active-fg: #ffffff;
  --filter-active-border: #818cf8;
}

/*------------------------------------------------------------------------------
  Base & layout
------------------------------------------------------------------------------*/
* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  margin: 0;
  padding: 0;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
}

.content {
  padding: 1rem;
  max-width: 1800px;
  margin: 0 auto;
}

.mainview {
  max-width: 100%;
  margin: 0 auto;
  background-color: transparent;
  min-height: 100vh;
}

h1 {
  font-weight: 500;
  letter-spacing: -0.02em;
}

hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 0;
}

/*------------------------------------------------------------------------------
  Header / Navbar (sticky with gradient fade)
------------------------------------------------------------------------------*/
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.6) 70%, rgba(0,0,0,0) 100%);
  padding-bottom: 1rem;
}

.navbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
}

.nav-button {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.2s ease, transform 0.1s ease;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
.nav-button:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}
.nav-button:active {
  background: rgba(255,255,255,0.1);
  transform: translateY(0);
}

/*------------------------------------------------------------------------------
  Flash messages
------------------------------------------------------------------------------*/
.flash-container {
  max-width: 800px;
  margin: 1rem auto;
  padding: 0 1rem;
}

.flash {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-1);
}
.flash-info { background-color: var(--flash-info); }
.flash-message,
.flash-success { background-color: var(--flash-success); }
.flash-warning { background-color: var(--flash-warning); }
.flash-danger,
.flash-error { background-color: var(--flash-danger); }

/*------------------------------------------------------------------------------
  Pagination - Floating minimal bar
------------------------------------------------------------------------------*/
.floating-pagination {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: rgba(20, 20, 20, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  box-shadow: var(--shadow-3);
  z-index: 100;
}

.fp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  text-decoration: none;
  font-size: 1.25rem;
  transition: all 0.2s ease;
}
.fp-btn:hover:not(.disabled) {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}
.fp-btn.disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.fp-indicator {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.fp-current {
  color: var(--text);
  font-weight: 500;
}
.fp-sep {
  color: var(--text-muted);
}
.fp-total {
  color: var(--text-muted);
}

/* Legacy pagination (kept for other pages if needed) */
.pagination-container {
  text-align: center;
  margin: 2rem 0;
}
.pagination-link {
  display: inline-block;
  margin: 0 0.2rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  color: var(--text-dim);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.2s ease;
}
.pagination-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--text);
}
.pagination-link.active {
  background: var(--btn-primary);
  color: white;
  border-color: var(--btn-primary);
}
.pagination-ellipsis { padding: 0 0.5rem; color: var(--text-muted); }

/*------------------------------------------------------------------------------
  Gallery - Seamless grid with overlaid metadata
------------------------------------------------------------------------------*/
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 4px;
  padding: 4px;
}

.gallery-item {
  position: relative;
  height: 320px;
  background-color: var(--panel);
  overflow: hidden;
  cursor: pointer;
}

.gallery-thumb {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.03);
  filter: brightness(1.1);
}

/* Date overlay at bottom */
.image-date {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 6px 8px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
  z-index: 2;
  pointer-events: none;
}

.gallery-item a {
  color: var(--link);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.9rem;
}
.gallery-item a:hover { text-decoration: underline; color: var(--link-hover); }

/* video play glyph sits under tags, above image */
.play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: white;
  font-size: 3rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
}

/*------------------------------------------------------------------------------
  Modal viewer
------------------------------------------------------------------------------*/
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal.active { display: flex; }

.modal-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* Modal body - horizontal layout with image on left, tags on right */
.modal-body {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
  width: 100%;
  max-width: 1600px;
  max-height: 100%;
}

/* On smaller screens, stack vertically */
@media (max-width: 900px) {
  .modal-body {
    flex-direction: column;
    align-items: center;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Mobile landscape: prioritize image, minimize tag editor */
@media (max-width: 900px) and (orientation: landscape) {
  .modal-body {
    flex-direction: row;
    align-items: stretch;
  }
  .modal-image-wrapper {
    max-width: calc(100% - 200px);
    max-height: calc(100vh - 2rem);
    height: calc(100vh - 2rem);
  }
  .tag-editor {
    width: 180px;
    min-width: 180px;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
  }
}

/* Image wrapper & zoom */
.modal-image-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: calc(100% - 300px); /* Account for tag editor */
  height: calc(100vh - 140px);
  max-height: calc(100vh - 140px);
  overflow: hidden;
  cursor: default;
}
.modal-image-wrapper.zoomed {
  overflow: auto;
  cursor: grab;
  /* Enable scrolling by removing flex centering when zoomed */
  display: block;
}
.modal-image-wrapper.zoomed img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  cursor: grab;
}
.modal-image-wrapper img {
  max-width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  border-radius: 4px;
}
.modal-image-wrapper video {
  max-width: 100%;
  max-height: calc(100vh - 140px);
  border-radius: 4px;
}
/* Tall images */
.modal-image-wrapper.too-tall { overflow-y: auto; }
.modal-image-wrapper.too-tall img {
  width: 90vw; height: auto; max-height: none;
}

/* On smaller screens (portrait), full width for image wrapper */
@media (max-width: 900px) and (orientation: portrait) {
  .modal-image-wrapper {
    max-width: 100%;
    height: auto;
    max-height: 55vh;
    flex-shrink: 0;
  }
  .modal-image-wrapper img,
  .modal-image-wrapper video {
    max-height: 55vh;
  }
}

/* Modal navigation buttons - cleaner pill style */
.modal-button {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.2s ease;
  border-radius: 50%;
}
.modal-button:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}
.modal-content:hover .modal-button { opacity: 1; }
.modal-prev { left: 1rem; }
.modal-next { right: 1rem; }

/* Mobile: always show nav buttons, larger touch targets */
@media (max-width: 900px) {
  .modal-button {
    opacity: 0.8;
    width: 44px;
    height: 44px;
  }
  .modal-prev { left: 0.5rem; }
  .modal-next { right: 0.5rem; }
}

/* Close button */
.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1002;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  line-height: 1;
}
.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

/* Close hint - hidden on mobile since we have a button */
.modal-close-hint {
  position: absolute;
  top: 1.5rem;
  right: 4rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  pointer-events: none;
}
@media (max-width: 640px) {
  .modal-close-hint { display: none; }
}

/*------------------------------------------------------------------------------
  Tag overlays & editor
------------------------------------------------------------------------------*/
/* Pills used inside overlays and editors */
.tags {
  margin-top: .4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
}

/* Tag chips (truncate long names nicely) */
.tag-chip {
  display: inline-block;             /* required for ellipsis */
  max-width: clamp(8rem, 22vw, 14rem); /* responsive cap */
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  color: #334155;
  text-decoration: none;
  border: 1px solid rgba(199,210,254,0.9);
  white-space: nowrap;               /* single line */
  overflow: hidden;                  /* hide overflow */
  text-overflow: ellipsis;           /* … */
  vertical-align: middle;
  font: 12px/1.6 system-ui, sans-serif;
}
.tag-chip:hover { background: rgba(255,255,255,1); }


/* Modal tag editor - side panel layout */
.tag-editor {
  width: 280px;
  min-width: 280px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

/* On smaller screens (portrait), make tag editor full width and scrollable */
@media (max-width: 900px) and (orientation: portrait) {
  .tag-editor {
    width: 100%;
    max-width: 500px;
    min-width: unset;
    max-height: 35vh;
    overflow-y: auto;
    flex-shrink: 0;
  }
}

.tag-editor .tags {
  margin: 0 0 0.5rem 0;
  min-height: 28px;
}

/* Tag chips in modal - with remove button */
.tag-editor .tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
}
.tag-editor .tag-chip:hover {
  background: rgba(255, 255, 255, 0.18);
}
.tag-editor .tag-chip .x {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  padding: 0;
  margin-left: 2px;
  font-size: 1rem;
  line-height: 1;
}
.tag-editor .tag-chip .x:hover {
  color: #ef4444;
}

/* Tag form with autocomplete */
.tag-form {
  display: flex;
  gap: 0.5rem;
  position: relative;
}
.tag-form-wrapper {
  flex: 1;
  position: relative;
}
.tag-form input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 16px; /* Must be 16px+ to prevent iOS auto-zoom on focus */
}
.tag-form input::placeholder {
  color: var(--text-muted);
}
.tag-form input:focus {
  outline: none;
  border-color: var(--btn-primary);
  background: rgba(255, 255, 255, 0.12);
}
.tag-form button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--btn-primary);
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s ease;
  white-space: nowrap;
}
.tag-form button:hover {
  background: var(--btn-primary-hover);
}

/* Autocomplete dropdown - uses fixed positioning to escape overflow containers */
.tag-autocomplete {
  position: fixed;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 10100;
  display: none;
  box-shadow: var(--shadow-3);
  min-width: 200px;
}
.tag-autocomplete.active {
  display: block;
}
.tag-autocomplete-item {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.tag-autocomplete-item:last-child {
  border-bottom: none;
}
.tag-autocomplete-item:hover,
.tag-autocomplete-item.selected {
  background: rgba(255, 255, 255, 0.1);
}
.tag-autocomplete-item .tag-kind {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: auto;
}
.tag-autocomplete-empty {
  padding: 0.5rem 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
}

/* Tag overlay bar at the top of the image */
.tag-overlay {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  z-index: 2;
  background: linear-gradient(to bottom, rgba(0,0,0,0.45), rgba(0,0,0,0));
}

/*------------------------------------------------------------------------------
  Tag cards (tags_list.html) - New design
------------------------------------------------------------------------------*/
.tag-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 0.5rem;
}

.tag-card {
  position: relative;
  background: var(--panel);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tag-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

.tag-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.tag-preview {
  display: flex;
  gap: 2px;
  height: 140px;
  overflow: hidden;
}

.tag-thumb {
  flex: 1;
  min-width: 0;
  height: 100%;
  object-fit: cover;
  background-color: var(--bg-elevated);
  transition: filter 0.2s ease;
}
.tag-card:hover .tag-thumb {
  filter: brightness(1.08);
}
.tag-thumb-empty {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--panel) 100%);
}

.tag-card-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 100%);
}

.tag-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.tag-name {
  flex: 1;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tag-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.tag-edit-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim);
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.tag-card:hover .tag-edit-btn {
  opacity: 1;
}
.tag-edit-btn:hover {
  background: rgba(0,0,0,0.8);
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
  font-size: 1.1rem;
}

/* Tag edit modal specific */
.tag-edit-modal-content {
  max-width: 400px;
  padding: 2rem;
  background: var(--panel);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
}
.tag-edit-modal-content h2 {
  margin: 0 0 1.5rem 0;
  text-align: center;
  color: var(--text);
}
.tag-edit-form .form-group {
  margin-bottom: 1rem;
}
.tag-edit-form .form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.tag-edit-form .form-actions .btn {
  flex: 1;
}

/* Legacy artist grid (kept for backward compatibility) */
.artist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 6px;
  padding: 0.5rem;
}

.artist-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.3s ease;
}
.artist-card-link:hover .artist-card {
  transform: scale(1.02);
  box-shadow: var(--shadow-3);
}

.artist-card {
  background-color: var(--panel);
  padding: 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.artist-card h3 {
  margin: 0;
  padding: 0.75rem;
  text-align: center;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  background: rgba(0,0,0,0.3);
}

.artist-preview {
  display: flex;
  gap: 2px;
  justify-content: center;
  overflow: hidden;
}
.artist-thumb {
  flex: 1;
  height: 280px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.3s ease, filter 0.3s ease;
}
.artist-card-link:hover .artist-thumb {
  filter: brightness(1.1);
}

/* Filter pills (top of tags_list) */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1.5rem;
  justify-content: center;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--filter-border);
  background: var(--filter-bg);
  color: var(--filter-fg);
  text-decoration: none;
  font: 14px/1.2 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  transition: all 0.2s ease;
}
.filter-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}
.filter-btn.is-active {
  background: var(--filter-active-bg);
  color: var(--filter-active-fg);
  border-color: var(--filter-active-border);
}
.filter-btn:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/*------------------------------------------------------------------------------
  Settings
------------------------------------------------------------------------------*/
.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1600px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  align-items: start;
}
.settings-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
@media (max-width: 1200px) {
  .settings-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .settings-column:first-child {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .settings-column:first-child > .settings-container {
    flex: 1;
  }
}
@media (max-width: 768px) {
  .settings-grid {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  .settings-column:first-child {
    flex-direction: column;
  }
}
.settings-container {
  padding: 1.5rem;
  background: var(--panel);
  border-radius: 8px;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.settings-section h2,
.settings-info h2 {
  margin-bottom: 1rem;
  text-align: center;
  color: var(--text);
  font-weight: 500;
}
.settings-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.btn {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  min-width: 200px;
}
.btn:hover {
  transform: translateY(-1px);
}
.primary-btn { background-color: var(--btn-primary); color: #fff; }
.primary-btn:hover { background-color: var(--btn-primary-hover); }
.warning-btn { background-color: var(--flash-warning); color: #fff; }
.warning-btn:hover { background-color: #d97706; }
.danger-btn { background-color: var(--btn-danger); color: #fff; }
.danger-btn:hover { background-color: var(--btn-danger-hover); }

.settings-info {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/*------------------------------------------------------------------------------
  Showcase - Full-bleed Masonry Collage
------------------------------------------------------------------------------*/
.showcase-body {
  margin: 0;
  padding: 0;
  background: #0a0a0a;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Floating navbar overlay */
.showcase-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 1rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.6) 70%, rgba(0,0,0,0) 100%);
  pointer-events: none;
  padding-bottom: 1rem;
}

.showcase-nav-links {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  pointer-events: auto;
}

.showcase-nav .nav-link {
  pointer-events: auto;
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 6px;
  transition: background 0.2s ease;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.showcase-nav .nav-link:hover {
  background: rgba(255,255,255,0.15);
}

.showcase-nav .nav-hint {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
  margin-top: 0.25rem;
  pointer-events: none;
}

/* Masonry container - JS-managed columns */
.masonry-container {
  display: flex;
  gap: 4px;
  padding: 60px 4px 4px 4px; /* top padding for navbar */
  min-height: 100vh;
  align-items: flex-start;
  max-width: 2200px; /* prevent columns from getting too wide on ultrawide */
  margin: 0 auto;
}

.masonry-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Masonry item */
.masonry-item {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  background: #1a1a1a;
}

.masonry-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.masonry-item:hover img {
  transform: scale(1.03);
  filter: brightness(1.1);
}

/* Tag overlay on masonry items */
.masonry-item .tag-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 6px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  z-index: 2;
}

/* Play overlay for videos */
.masonry-item .play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: white;
  font-size: 3rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
}

/* Loading state for shuffle */
.masonry-container.loading {
  opacity: 0.5;
  pointer-events: none;
}

.masonry-container {
  transition: opacity 0.3s ease;
}

/*------------------------------------------------------------------------------
  Forms
------------------------------------------------------------------------------*/
.form-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: var(--panel);
  border-radius: 8px;
  box-shadow: var(--shadow-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.form-card { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; }
.form-label { margin-bottom: 0.5rem; font-weight: 500; color: var(--text); }
.form-input {
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 1rem;
}
.form-input:focus {
  outline: none;
  border-color: var(--btn-primary);
  background: rgba(255, 255, 255, 0.12);
}

/* Select dropdowns - ensure dark theme for options */
select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}
select.form-input option,
select.form-input optgroup {
  background: #1a1a1a;
  color: #ffffff;
}
select.form-input optgroup {
  font-weight: 600;
  color: #a0a0a0;
}

.form-button {
  padding: 0.75rem;
  background-color: var(--btn-primary);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s ease;
}
.form-button:hover { background-color: var(--btn-primary-hover); }
.form-footer-text { margin-top: 1rem; text-align: center; color: var(--text-dim); }

/* Fixed-height, 2-line title area so all cards match height */
.card-title {
  /* reserve exactly two lines of space for the title */
  line-height: 1.3;
  min-height: calc(1.3em * 2);
  max-height: calc(1.3em * 2);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

/* Multi-line clamp with ellipsis (where supported) */
.card-title-text {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;           /* clamp to 2 lines */
  -webkit-box-orient: vertical;
  overflow: hidden;

  /* good fallbacks for very long single words / no spaces */
  overflow-wrap: anywhere;          /* allows breaking long tokens */
  word-break: break-word;
}

/*------------------------------------------------------------------------------
  Gallery Infinite Scroll Layout
------------------------------------------------------------------------------*/
.gallery-infinite-container {
  display: flex;
  min-height: 100vh;
  max-width: 1800px;
  margin: 0 auto;
  position: relative;
}

/* Timeline Sidebar - positioned relative to gallery container */
.timeline-sidebar {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  width: 70px;
  min-width: 70px;
  background: rgba(0,0,0,0.3);
  border-right: 1px solid rgba(255,255,255,0.08);
  z-index: 50;
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.2) transparent;
}
.timeline-sidebar::-webkit-scrollbar {
  width: 4px;
}
.timeline-sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.timeline-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
}

.timeline-track {
  display: flex;
  flex-direction: column;
  padding: 0 6px;
}

.timeline-loading {
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.5rem;
  text-align: center;
}

.timeline-year-group {
  margin-bottom: 0.5rem;
}

.timeline-year {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.5rem 0.25rem 0.25rem;
  text-align: center;
  position: sticky;
  top: 0;
  background: linear-gradient(to bottom, rgba(10,10,10,0.95), rgba(10,10,10,0.8));
  z-index: 1;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.timeline-months {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 4px;
}

.timeline-month {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}
.timeline-month:hover {
  background: rgba(255,255,255,0.12);
  color: var(--text);
}
.timeline-month.active {
  background: var(--btn-primary);
  color: white;
}
.timeline-month.loaded {
  color: var(--text-dim);
}
.timeline-month-label {
  font-weight: 500;
}
.timeline-month-count {
  font-size: 0.6rem;
  opacity: 0.7;
}

/* Main gallery area - flex child next to timeline */
.gallery-main {
  flex: 1;
  padding: 0 0.5rem;
  min-width: 0;
}

.gallery-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0 1rem;
  gap: 0.5rem;
}
.gallery-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.active-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.filter-tag {
  color: var(--link);
  font-weight: 500;
}
.clear-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1;
  transition: all 0.15s ease;
}
.clear-filter:hover {
  background: rgba(255,255,255,0.2);
  color: var(--text);
}

/* Gallery content area */
.gallery-infinite {
  min-height: 50vh;
}

.gallery-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

/* Date sections */
.date-section {
  margin-bottom: 1.5rem;
}

.date-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0.5rem;
  margin: 0 0 0.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: sticky;
  top: 50px;
  background: linear-gradient(to bottom, var(--bg) 0%, var(--bg) 85%, transparent 100%);
  z-index: 10;
}

.date-divider-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
}

.date-divider-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

/* Loading indicator */
.gallery-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem;
  color: var(--text-muted);
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--btn-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.gallery-end {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-style: italic;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* Play overlay with triangle icon */
.play-overlay::before {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 20px 0 20px 35px;
  border-color: transparent transparent transparent rgba(255,255,255,0.9);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

/* Mobile: hide timeline sidebar */
@media (max-width: 768px) {
  .timeline-sidebar {
    display: none;
  }
  .date-divider {
    top: 45px;
  }
}