/* ============================================================
   Photos App — photos.css
   ============================================================ */

.photos-app {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  background: #f0efea;
  border-radius: 0.75rem;
  overflow: hidden;
  font-family: -apple-system, 'SF Pro Text', sans-serif;
  font-size: 13px;
  color: #1c1c1e;
  position: relative;
}

/* ── Body ── */
.ph-body {
  flex: 1; display: flex; overflow: hidden;
}

/* ═══ SIDEBAR ═══ */
.ph-sidebar {
  width: 220px; min-width: 220px;
  background: rgba(236,234,229,0.98);
  border-right: 0.5px solid rgba(0,0,0,0.1);
  overflow-y: auto; flex-shrink: 0;
  padding: 8px 0 20px;
}
.ph-sidebar::-webkit-scrollbar { width: 5px; }
.ph-sidebar::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }

.ph-sb-section { margin-bottom: 4px; }
.ph-sb-label {
  font-size: 10.5px; font-weight: 600;
  color: rgba(0,0,0,0.38); letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 10px 14px 4px;
  display: block;
}
.ph-sb-item {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 12px;
  background: none; border: none; cursor: pointer;
  border-radius: 7px; margin: 1px 6px;
  width: calc(100% - 12px); text-align: left;
  font-size: 12.5px; color: #1c1c1e;
  transition: background 80ms;
}
.ph-sb-item:hover  { background: rgba(0,0,0,0.06); }
.ph-sb-item.active { background: rgba(0,122,255,0.12); color: #0a7aff; font-weight: 500; }
.ph-sb-icon { display: flex; align-items: center; flex-shrink: 0; color: rgba(0,0,0,0.5); }
.ph-sb-item.active .ph-sb-icon { color: #0a7aff; }
.ph-sb-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ph-sb-collapsible { user-select: none; }
.ph-sb-chevron { flex-shrink: 0; color: rgba(0,0,0,0.4); }

/* ═══ MAIN ═══ */
.ph-main {
  flex: 1; display: flex; flex-direction: column; overflow: hidden;
}

/* ── Toolbar ── */
.ph-toolbar {
  height: 48px; min-height: 48px;
  background: rgba(240,239,234,0.97);
  border-bottom: 0.5px solid rgba(0,0,0,0.1);
  display: flex; align-items: center;
  padding: 0 12px 0 80px;
  gap: 8px; flex-shrink: 0;
  overflow-x: auto;
}
.ph-toolbar::-webkit-scrollbar { display: none; }

.ph-tb-left  { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.ph-tb-center{ display: flex; align-items: center; justify-content: center; flex: 1; }
.ph-tb-right { display: flex; align-items: center; gap: 4px; flex-shrink: 0; margin-left: auto; }

.ph-tb-btn {
  width: 28px; height: 28px; border-radius: 6px;
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: rgba(0,0,0,0.55); transition: background 100ms;
}
.ph-tb-btn:hover { background: rgba(0,0,0,0.08); color: #000; }
.ph-tb-btn.active { background: rgba(0,0,0,0.1); }

/* Zoom slider */
.ph-zoom-slider {
  width: 80px; -webkit-appearance: none;
  height: 3px; border-radius: 2px;
  background: rgba(0,0,0,0.2); outline: none; cursor: pointer;
}
.ph-zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* View tabs */
.ph-view-tabs {
  display: flex; background: rgba(0,0,0,0.06);
  border-radius: 8px; padding: 2px; gap: 1px;
}
.ph-view-tab {
  padding: 4px 12px; border: none; background: none;
  cursor: pointer; border-radius: 6px; font-size: 12px; font-weight: 500;
  color: rgba(0,0,0,0.55); transition: background 80ms, color 80ms;
  white-space: nowrap;
}
.ph-view-tab:hover { color: rgba(0,0,0,0.8); }
.ph-view-tab.active {
  background: #fff; color: #000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

/* Filter button */
.ph-filter-btn {
  display: flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 7px;
  background: rgba(0,0,0,0.07); border: none;
  cursor: pointer; font-size: 12px; color: #1c1c1e;
  transition: background 100ms; white-space: nowrap;
}
.ph-filter-btn:hover { background: rgba(0,0,0,0.12); }
.ph-filter-btn strong { color: #0a7aff; font-weight: 600; }

/* Search */
.ph-search-wrap {
  display: flex; align-items: center; gap: 5px;
  background: rgba(0,0,0,0.07); border-radius: 7px;
  padding: 3px 8px;
}
.ph-search-input {
  width: 110px; background: none; border: none; outline: none;
  font-size: 12px; color: #1c1c1e;
}
.ph-search-input::placeholder { color: rgba(0,0,0,0.3); }

/* ── Grid scroll ── */
.ph-grid-scroll {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  background: #f8f7f3;
}
.ph-grid-scroll::-webkit-scrollbar { width: 6px; }
.ph-grid-scroll::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }

.ph-grid-wrap { padding: 16px 16px 40px; }

/* ── Groups ── */
.ph-group        { margin-bottom: 28px; }
.ph-group-header {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 8px;
}
.ph-group-date  { font-size: 20px; font-weight: 700; color: #1c1c1e; }
.ph-group-count { font-size: 13px; color: rgba(0,0,0,0.4); }
.ph-group-header-large .ph-group-date { font-size: 26px; }
.ph-group-header-xl    { font-size: 36px; font-weight: 800; color: #1c1c1e; margin-bottom: 10px; }

/* ── Masonry grid ── */
.ph-masonry {
  --ph-size: 160px;
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

/* ── Year grid ── */
.ph-year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 4px;
}

/* ── Photo cell ── */
.ph-cell {
  position: relative;
  width: var(--ph-size);
  height: calc(var(--ph-size) * var(--ratio, 0.75));
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  background: #ddd;
  transition: transform 120ms ease;
}
.ph-cell:hover { transform: scale(1.015); z-index: 2; }
.ph-cell.selected { outline: 3px solid #0a84ff; outline-offset: 1px; }
.ph-cell-large {
  width: 100%; height: 200px;
}

/* placeholder when photo missing */
.ph-placeholder {
  background: linear-gradient(135deg, #e0e0e0 0%, #c8c8c8 100%);
}

.ph-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 200ms ease;
}
.ph-cell:hover .ph-img { transform: scale(1.04); }

/* Hover overlay */
.ph-overlay {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 150ms ease;
  pointer-events: none;
}
.ph-cell:hover .ph-overlay { opacity: 1; pointer-events: all; }

/* Favorite button */
.ph-fav-btn {
  position: absolute; bottom: 6px; left: 6px;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(0,0,0,0.4); border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background 120ms, transform 120ms;
}
.ph-fav-btn:hover    { background: rgba(0,0,0,0.6); transform: scale(1.15); }
.ph-fav-btn.active svg path { fill: #ff375f; stroke: #ff375f; }

/* Always visible if favorited */
.ph-cell .ph-fav-btn.active { opacity: 1 !important; }

/* Selection circle */
.ph-sel-circle {
  position: absolute; top: 6px; left: 6px;
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.8);
  background: rgba(0,0,0,0.25);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background 120ms;
}
.ph-sel-circle.checked {
  background: #0a84ff; border-color: #0a84ff;
}
.ph-sel-circle.checked::after {
  content: '✓'; color: #fff; font-size: 10px; font-weight: 700;
}

/* Media type badge */
.ph-badge {
  position: absolute; top: 4px; right: 4px;
  background: rgba(0,0,0,0.5); color: #fff;
  font-size: 10px; padding: 2px 5px;
  border-radius: 4px; pointer-events: none;
}

/* ── Empty state ── */
.ph-empty {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 300px; gap: 12px;
  color: rgba(0,0,0,0.3);
}
.ph-empty-icon { font-size: 52px; opacity: 0.35; }

/* ── Status bar ── */
.ph-statusbar {
  height: 22px; min-height: 22px;
  background: rgba(240,239,234,0.97);
  border-top: 0.5px solid rgba(0,0,0,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: rgba(0,0,0,0.4);
  flex-shrink: 0;
}

/* ═══ LIGHTBOX ═══ */
.ph-lb {
  position: absolute; inset: 0;
  z-index: 8000;
  display: flex; flex-direction: column;
  outline: none;
  pointer-events: none; opacity: 0;
  transition: opacity 0.18s ease;
}
.ph-lb.open { pointer-events: all; opacity: 1; }

.ph-lb-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.92);
  cursor: pointer;
}

/* Toolbar */
.ph-lb-toolbar {
  position: relative; z-index: 1;
  height: 52px; display: flex; align-items: center;
  padding: 0 12px; gap: 8px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  flex-shrink: 0;
}
.ph-lb-toolbar-center { flex: 1; display: flex; justify-content: center; }
.ph-lb-toolbar-right  { display: flex; align-items: center; gap: 4px; }
.ph-lb-counter { font-size: 13px; color: rgba(255,255,255,0.7); }

.ph-lb-btn {
  width: 32px; height: 32px; border-radius: 7px;
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.75);
  transition: background 100ms, color 100ms;
}
.ph-lb-btn:hover  { background: rgba(255,255,255,0.15); color: #fff; }
.ph-lb-btn.active { background: rgba(255,255,255,0.15); color: #fff; }

/* Stage */
.ph-lb-stage {
  position: relative; z-index: 1;
  flex: 1; display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.ph-lb-img {
  max-width: 92%; max-height: 92%;
  object-fit: contain; border-radius: 4px;
  display: block;
  transition: opacity 0.2s ease;
  will-change: transform;
}

/* Prev / Next */
.ph-lb-nav {
  position: absolute; top: 50%; z-index: 2;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  transform: translateY(-50%);
  transition: background 120ms, transform 120ms;
}
.ph-lb-nav:hover { background: rgba(255,255,255,0.28); transform: translateY(-50%) scale(1.08); }
.ph-lb-prev { left: 16px; }
.ph-lb-next { right: 16px; }

/* Info panel */
.ph-lb-info-panel {
  position: absolute; right: 0; top: 52px; bottom: 64px;
  width: 240px; z-index: 3;
  background: rgba(20,20,22,0.88);
  backdrop-filter: blur(20px);
  padding: 16px;
  transform: translateX(100%);
  transition: transform 0.22s cubic-bezier(0.34,1.2,0.64,1);
  overflow-y: auto;
}
.ph-lb-info-panel.visible { transform: translateX(0); }
.ph-lb-info-title { font-size: 13px; font-weight: 600; color: #fff; margin-bottom: 12px; }
.ph-lb-info-grid  { display: flex; flex-direction: column; gap: 8px; }
.ph-info-row {
  display: flex; justify-content: space-between; gap: 8px;
  font-size: 11.5px;
}
.ph-info-row span:first-child { color: rgba(255,255,255,0.4); flex-shrink: 0; }
.ph-info-row span:last-child  { color: rgba(255,255,255,0.8); text-align: right; word-break: break-word; }

/* Film strip */
.ph-lb-strip {
  position: relative; z-index: 1;
  height: 64px; display: flex; align-items: center;
  justify-content: center; gap: 4px;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(10px);
  padding: 6px 12px; flex-shrink: 0; overflow: hidden;
}
.ph-strip-thumb {
  width: 52px; height: 52px; border-radius: 5px;
  overflow: hidden; cursor: pointer; flex-shrink: 0;
  border: 2px solid transparent;
  transition: border-color 120ms, transform 120ms;
}
.ph-strip-thumb:hover      { transform: scale(1.08); }
.ph-strip-thumb.active     { border-color: #fff; }
.ph-strip-thumb img        { width: 100%; height: 100%; object-fit: cover; }

/* ═══ CONTEXT MENU ═══ */
.ph-context-menu {
  background: rgba(245,244,242,0.95);
  backdrop-filter: blur(20px);
  border-radius: 10px; padding: 5px;
  min-width: 170px;
  box-shadow: 0 0 0 0.5px rgba(0,0,0,0.12), 0 6px 24px rgba(0,0,0,0.2);
}
.ph-ctx-item {
  display: block; width: 100%; padding: 6px 12px;
  background: none; border: none; cursor: pointer;
  text-align: left; font-size: 13px; color: #1c1c1e;
  border-radius: 6px; transition: background 60ms;
}
.ph-ctx-item:hover    { background: #0a84ff; color: #fff; }
.ph-ctx-danger        { color: #ff3b30; }
.ph-ctx-danger:hover  { background: rgba(255,59,48,0.12); color: #ff3b30; }
.ph-ctx-sep           { height: 0.5px; background: rgba(0,0,0,0.1); margin: 3px 6px; }

/* ── Dark mode ── */
#desktop.dark-mode .photos-app    { background: #1c1c1e; color: #f5f5f7; }
#desktop.dark-mode .ph-toolbar    { background: rgba(28,28,30,0.97); border-color: rgba(255,255,255,0.08); }
#desktop.dark-mode .ph-sidebar    { background: rgba(30,30,32,0.98); border-color: rgba(255,255,255,0.08); }
#desktop.dark-mode .ph-sb-item    { color: #f5f5f7; }
#desktop.dark-mode .ph-sb-item:hover { background: rgba(255,255,255,0.08); }
#desktop.dark-mode .ph-grid-scroll { background: #242426; }
#desktop.dark-mode .ph-group-date { color: #f5f5f7; }
#desktop.dark-mode .ph-statusbar  { background: rgba(28,28,30,0.97); }
#desktop.dark-mode .ph-view-tab.active { background: rgba(255,255,255,0.12); color: #fff; }
#desktop.dark-mode .ph-context-menu   { background: rgba(44,44,46,0.95); }
#desktop.dark-mode .ph-ctx-item   { color: #f5f5f7; }