/* ============================================================
   VisionCore · 08 Gallery — JS-generated markup styling
   
   Covers:
   - Sidebar folder rows (general + persona rail)
   - Image grid cards (selection, badges, hover)
   - Empty/loading states
   
   Targets the markup written by:
   - js/ui/Sidebar.js
   - js/ui/GridGallery.js
   - js/features/gallery/sidebar.js (buildSidebarItemMarkup)
   ============================================================ */

/* ============================================================
   SIDEBAR · section header
   ============================================================ */
.folder-section {
  margin-bottom: 6px !important;
}
.folder-section-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  padding: 9px 12px !important;
  margin-bottom: 2px !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: var(--vc-r-sm) !important;
  color: var(--vc-ink-4) !important;
  font-family: var(--vc-font-sans) !important;
  font-size: 10.5px !important;
  font-weight: 700 !important;
  letter-spacing: .14em !important;
  text-transform: uppercase !important;
  cursor: pointer !important;
  text-align: left !important;
  transition: var(--vc-fast) !important;
}
.folder-section-header:hover {
  background: rgba(255,255,255,.03) !important;
  color: var(--vc-ink-3) !important;
}

.folder-section-header-main {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
}
.folder-section-count {
  font-family: var(--vc-font-mono) !important;
  font-size: 10.5px !important;
  font-weight: 600 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  color: var(--vc-ink-4) !important;
  padding: 1px 7px !important;
  border-radius: var(--vc-r-pill) !important;
  background: rgba(255,255,255,.04) !important;
  border: 1px solid var(--vc-line) !important;
}
.folder-section-header-side {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
}
.folder-section-note {
  font-size: 10px !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  color: var(--vc-ink-4) !important;
  font-weight: 500 !important;
}
.folder-section-caret {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--vc-ink-4) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  transition: transform var(--vc-fast);
}
.folder-section.open .folder-section-caret {
  transform: rotate(0deg);
}

/* 아코디언: 기본 숨김, .open 일 때만 표시 */
.folder-section-content {
  display: none !important;
  padding: 4px 4px 6px !important;
}
.folder-section.open .folder-section-content {
  display: block !important;
}

/* ============================================================
   SIDEBAR · folder item (general)
   ============================================================ */
.folder-item {
  display: block !important;
  width: 100% !important;
  text-align: left !important;
  padding: 9px 12px !important;
  margin-bottom: 2px !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: var(--vc-r-md) !important;
  cursor: pointer !important;
  transition: var(--vc-fast) !important;
  color: inherit !important;
  font-family: inherit !important;
}
.folder-item:hover {
  background: rgba(255,255,255,.03) !important;
}
.folder-item.active {
  background: var(--vc-brand-bg) !important;
  border-color: var(--vc-brand-line) !important;
}
.folder-item strong {
  display: block !important;
  font-family: var(--vc-font-sans) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--vc-ink-2) !important;
  margin-bottom: 3px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}
.folder-item.active strong {
  color: var(--vc-brand-soft) !important;
}
.folder-item small {
  display: block !important;
  font-family: var(--vc-font-mono) !important;
  font-size: 10.5px !important;
  font-weight: 500 !important;
  color: var(--vc-ink-4) !important;
  letter-spacing: 0 !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

/* virtual folder = special variant (slightly raised) */
.folder-item.virtual-folder {
  background: rgba(255,255,255,.02) !important;
  border-color: rgba(255,255,255,.04) !important;
}
.folder-item.virtual-folder:hover {
  background: rgba(255,255,255,.04) !important;
}
.folder-item.virtual-folder strong {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 10px !important;
}

/* ============================================================
   SIDEBAR · persona row (the thumbnail rail)
   ============================================================ */
.folder-item-persona-shell {
  display: grid !important;
  grid-template-columns: 36px minmax(0, 1fr) !important;
  gap: 10px !important;
  align-items: center !important;
}
.folder-item-persona-thumb {
  width: 36px !important;
  height: 36px !important;
  border-radius: 8px !important;
  overflow: hidden !important;
  border: 1px solid var(--vc-line) !important;
  background: var(--vc-card) !important;
  flex-shrink: 0;
}
.folder-item-persona-thumb img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
}
.folder-item-persona-copy {
  min-width: 0 !important;
}
.folder-item-persona-copy strong {
  margin-bottom: 2px !important;
  font-size: 12.5px !important;
}

/* feature chips below persona name */
.folder-item-feature-row {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 4px !important;
  margin-top: 5px !important;
}
.folder-item-feature-chip {
  display: inline-flex !important;
  align-items: center !important;
  height: 18px !important;
  padding: 0 7px !important;
  border-radius: var(--vc-r-pill) !important;
  background: rgba(255,255,255,.05) !important;
  border: 1px solid var(--vc-line) !important;
  color: var(--vc-ink-3) !important;
  font-size: 9.5px !important;
  font-weight: 600 !important;
  letter-spacing: .01em !important;
  white-space: nowrap !important;
}

/* badge on persona/virtual folders */
.folder-item-badge {
  display: inline-flex !important;
  align-items: center !important;
  height: 18px !important;
  padding: 0 7px !important;
  border-radius: var(--vc-r-pill) !important;
  background: var(--vc-brand-bg) !important;
  border: 1px solid var(--vc-brand-line) !important;
  color: var(--vc-brand-soft) !important;
  font-size: 9.5px !important;
  font-weight: 700 !important;
  letter-spacing: .04em !important;
  text-transform: uppercase !important;
}

/* Sidebar classifier progress (inline within section) */
#sidebar-classification-progress {
  background: var(--vc-brand-bg) !important;
  border: 1px solid var(--vc-brand-line) !important;
  color: var(--vc-brand-soft) !important;
  padding: 8px 12px !important;
  border-radius: var(--vc-r-md) !important;
  font-size: 11.5px !important;
  font-weight: 600 !important;
  margin: 4px 4px 8px !important;
}

/* Loading / empty placeholder */
.folder-placeholder {
  padding: 14px 12px !important;
  font-size: 12px !important;
  color: var(--vc-ink-4) !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
}

/* ============================================================
   MAIN GRID · container & layout
   ============================================================ */
.grid-container {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)) !important;
  gap: 12px !important;
  padding: 16px 24px 80px !important;
  align-content: start !important;
}
@media (min-width: 1400px) {
  .grid-container {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important;
    gap: 14px !important;
  }
}
@media (max-width: 760px) {
  .grid-container {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    padding: 10px 12px 80px !important;
  }
}

/* ============================================================
   GRID · individual card
   ============================================================ */
.grid-item {
  position: relative !important;
  padding-bottom: 150% !important;          /* 2:3 portrait — tighter than 16:9 wide */
  background: var(--vc-panel) !important;
  border-radius: var(--vc-r-md) !important;
  overflow: hidden !important;
  cursor: pointer !important;
  border: 1px solid transparent !important;
  transition: transform .15s var(--vc-ease), box-shadow .15s var(--vc-ease), border-color .15s var(--vc-ease) !important;
}
.grid-item:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 14px 30px rgba(0,0,0,.45) !important;
  border-color: var(--vc-line) !important;
}
.grid-item img {
  position: absolute !important;
  top: 0; left: 0;
  width: 100% !important; height: 100% !important;
  object-fit: cover !important;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

/* ============================================================
   GRID · tag overlay (top-left, semantic chips)
   ============================================================ */
.grid-tag-overlay {
  position: absolute !important;
  inset: 0 !important;
  z-index: 4;
  pointer-events: none;
}
.tag-flags {
  position: absolute !important;
  top: 8px !important;
  left: 8px !important;
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 4px !important;
  max-width: calc(100% - 16px) !important;
  pointer-events: none;
}
.tag-keywords {
  position: absolute !important;
  bottom: 8px !important;
  left: 8px !important;
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 4px !important;
  max-width: calc(100% - 16px) !important;
  pointer-events: none;
}

.image-tag-chip {
  display: inline-flex !important;
  align-items: center !important;
  height: 22px !important;
  padding: 0 9px !important;
  border-radius: var(--vc-r-pill) !important;
  background: rgba(10,10,10,.78) !important;
  border: 1px solid rgba(255,255,255,.08) !important;
  color: var(--vc-ink-2) !important;
  font-family: var(--vc-font-sans) !important;
  font-size: 10.5px !important;
  font-weight: 700 !important;
  letter-spacing: .04em !important;
  text-transform: uppercase !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  box-shadow: none !important;
}
.image-tag-chip.flag {
  background: var(--vc-brand-bg) !important;
  border-color: var(--vc-brand-line) !important;
  color: var(--vc-brand-soft) !important;
}
.image-tag-chip.subtle {
  color: var(--vc-ink-3) !important;
}

/* Specific classification states (if JS adds these data attrs/classes) */
.image-tag-chip[data-state="pick"],
.image-tag-chip.pick {
  background: var(--vc-success-bg) !important;
  border-color: rgba(0,230,118,.32) !important;
  color: var(--vc-success-soft) !important;
}
.image-tag-chip[data-state="review"],
.image-tag-chip.review {
  background: var(--vc-warn-bg) !important;
  border-color: rgba(240,152,25,.32) !important;
  color: var(--vc-warn-soft) !important;
}
.image-tag-chip[data-state="drop"],
.image-tag-chip.drop {
  background: var(--vc-danger-bg) !important;
  border-color: rgba(255,68,68,.32) !important;
  color: var(--vc-danger-soft) !important;
}

/* ============================================================
   GRID · selection state
   ============================================================ */
.grid-item.selected {
  border-color: var(--vc-brand) !important;
  box-shadow: 0 0 0 2px var(--vc-brand), 0 14px 30px rgba(0,0,0,.45) !important;
  transform: translateY(-2px) !important;
}
.grid-item .select-layer {
  position: absolute !important;
  inset: 0 !important;
  display: none !important;
  z-index: 10;
  pointer-events: none;
}
.grid-item.selected .select-layer {
  display: block !important;
  background: rgba(255,42,95,.10) !important;
  border: none !important;
}

/* Check mark — top-right corner, larger touch target */
.grid-item .check {
  position: absolute !important;
  top: 8px !important;
  right: 8px !important;
  width: 24px !important;
  height: 24px !important;
  border-radius: var(--vc-r-sm) !important;
  border: 1px solid rgba(255,255,255,.25) !important;
  background: rgba(10,10,10,.6) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  color: transparent !important;
  font-size: 14px !important;
  font-weight: 800 !important;
  display: none !important;
  align-items: center !important;
  justify-content: center !important;
  z-index: 11;
  cursor: pointer !important;
  transition: var(--vc-fast) !important;
}
#grid-container.selection-mode .grid-item .check {
  display: inline-flex !important;
}
.grid-item.selected .check {
  background: var(--vc-brand) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 4px 12px rgba(255,42,95,.45) !important;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  grid-column: 1 / -1 !important;
  min-height: 50vh !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  color: var(--vc-ink-4) !important;
  font-size: 14px !important;
  text-align: center !important;
  padding: 40px 20px !important;
  margin-top: 0 !important;
}

/* ============================================================
   MOBILE PORTFOLIO SELECT — top nav fallback on small screens
   ============================================================ */
.mobile-portfolio-select {
  background: var(--vc-bg) !important;
  border: 1px solid var(--vc-line) !important;
  border-radius: var(--vc-r-md) !important;
  color: var(--vc-ink) !important;
  padding: 8px 12px !important;
  font-family: var(--vc-font-sans) !important;
  font-size: 12.5px !important;
}

/* ============================================================
   FLOATING ACTION BAR · final polish (overrides features.css)
   ============================================================ */
.floating-action-bar {
  position: fixed !important;
  left: 50% !important;
  bottom: 24px !important;
  top: auto !important;
  margin: 0 !important;
  transform: translateX(-50%) translateY(-8px) !important;
  background: rgba(15,15,15,.92) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  border: 1px solid var(--vc-line) !important;
  border-radius: var(--vc-r-lg) !important;
  border-top: 1px solid var(--vc-line) !important;
  box-shadow: 0 20px 60px rgba(0,0,0,.6) !important;
  padding: 8px 12px 8px 16px !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  max-width: calc(100vw - 48px) !important;
  width: auto !important;
  z-index: var(--vc-z-overlay) !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  max-height: 0 !important;
  overflow: hidden;
}
.floating-action-bar.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  max-height: 80px !important;
  transform: translateX(-50%) translateY(0) !important;
  padding: 8px 12px 8px 16px !important;
}
#selected-count-text {
  padding: 4px 10px !important;
  background: var(--vc-brand) !important;
  color: #fff !important;
  border-radius: var(--vc-r-sm) !important;
  font-family: var(--vc-font-mono) !important;
  font-size: 11.5px !important;
  font-weight: 700 !important;
  letter-spacing: 0 !important;
  white-space: nowrap !important;
}
#cancel-selection-btn {
  width: 28px !important;
  height: 28px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: var(--vc-ink-3) !important;
  background: transparent !important;
  border: 0 !important;
  font-size: 16px !important;
  cursor: pointer !important;
}
#cancel-selection-btn:hover { color: var(--vc-ink) !important; }

/* Action select / input inside the bar */
.action-select,
.action-input {
  background: #131313 !important;
  border: 1px solid var(--vc-line) !important;
  border-radius: var(--vc-r-sm) !important;
  color: var(--vc-ink) !important;
  font-family: var(--vc-font-sans) !important;
  font-size: 12px !important;
  padding: 6px 10px !important;
  height: 30px !important;
}
.action-input::placeholder {
  color: var(--vc-ink-4) !important;
}