/* ─── Visualizer Page ─────────────────────────────────────────── */

/* Privacy banner */
.viz-privacy-banner {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--brand-light);
  border: 1px solid var(--brand-primary);
  border-radius: 10px;
  padding: .7rem 1rem;
  font-size: .9rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}
.viz-privacy-banner i { color: var(--brand-primary); flex-shrink: 0; font-size: 1.1rem; }

/* Drop zone */
.viz-drop-zone {
  border: 2px dashed var(--brand-primary);
  border-radius: var(--radius-card);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  background: var(--surface);
  margin-bottom: 1.5rem;
}
.viz-drop-zone:hover,
.viz-drop-zone.drag-over {
  background: var(--brand-light);
  border-color: var(--brand-dark);
}
.viz-drop-zone p { margin: .75rem 0 0; color: var(--text-muted); font-size: .95rem; }
.viz-drop-zone code { color: var(--brand-primary); }

/* Toolbar */
.viz-toolbar {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.viz-toolbar-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: .75rem;
}
.viz-nook-title { font-size: 1.3rem; font-weight: 800; margin: 0; }
.viz-view-switcher { display: flex; gap: .4rem; flex-wrap: wrap; }
.viz-toolbar-bottom { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem; }

/* Search */
.viz-search-wrap { position: relative; min-width: 220px; }
.viz-search-icon {
  position: absolute;
  left: .7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}
.viz-search-input { padding-left: 2rem !important; font-size: .9rem; }

/* Tag chips */
.viz-tag-filters { display: flex; flex-wrap: wrap; gap: .35rem; }
.viz-tag-chip {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 99px;
  border: 1px solid var(--border-color);
  background: var(--surface-alt);
  color: var(--text-muted);
  font-size: .8rem;
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
  line-height: 1.5;
}
.viz-tag-chip:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.viz-tag-chip.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
}

/* Layout */
.viz-layout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  min-height: 500px;
}
.viz-tree-pane {
  flex: 1 1 0;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow-y: auto;
  max-height: 70vh;
  padding: .5rem 0;
}

/* Side panel */
.viz-side-panel {
  width: 0;
  min-width: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  transition: width .2s ease, min-width .2s ease, padding .2s ease;
  flex-shrink: 0;
}
.viz-side-panel.open {
  width: 280px;
  min-width: 280px;
  padding: 1rem;
}
@media (max-width: 767px) {
  .viz-layout { flex-direction: column; }
  .viz-side-panel.open { width: 100%; min-width: 0; }
}
.viz-side-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border-color);
}
.viz-side-panel-body { font-size: .9rem; }
.viz-side-dl { display: grid; grid-template-columns: auto 1fr; gap: .25rem .75rem; margin: 0; }
.viz-side-dl dt { font-weight: 600; color: var(--text-muted); white-space: nowrap; }
.viz-side-dl dd { margin: 0; word-break: break-word; }
.viz-side-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100px;
  background: var(--surface-alt);
  border-radius: 8px;
  margin-bottom: .75rem;
  font-size: 2rem;
}

/* Tree nodes */
.viz-tree-container details,
.viz-tree-container .viz-tree-leaf {
  display: block;
}
.viz-tree-container details > summary {
  list-style: none;
  display: flex;
  align-items: center;
  padding: .3rem .75rem;
  cursor: pointer;
  user-select: none;
  border-radius: 6px;
  margin: 1px 4px;
  transition: background .1s;
}
.viz-tree-container details > summary::-webkit-details-marker { display: none; }
.viz-tree-container details > summary::marker { display: none; }
.viz-tree-container details > summary:hover { background: var(--surface-alt); }
.viz-tree-container .viz-tree-leaf {
  display: flex;
  align-items: center;
  padding: .3rem .75rem;
  cursor: pointer;
  border-radius: 6px;
  margin: 1px 4px;
  transition: background .1s;
}
.viz-tree-container .viz-tree-leaf:hover { background: var(--surface-alt); }
.viz-tree-container [data-node-id].viz-tree-selected > summary,
.viz-tree-container [data-node-id].viz-tree-selected {
  background: var(--brand-light) !important;
  outline: 1px solid var(--brand-primary);
}
.viz-tree-children { padding-left: 1.35rem; border-left: 2px solid var(--border-color); margin-left: 1rem; }
.viz-node-icon { font-size: .95rem; margin-right: .45rem; color: var(--brand-primary); flex-shrink: 0; }
.viz-node-label { display: flex; align-items: center; gap: .35rem; min-width: 0; flex: 1; }
.viz-node-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: .9rem; }

/* Badges */
.viz-badge {
  display: inline-block;
  padding: .1rem .45rem;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  flex-shrink: 0;
}
.viz-badge--type { background: var(--surface-alt); color: var(--text-muted); border: 1px solid var(--border-color); }
.viz-badge--count { background: var(--brand-light); color: var(--brand-primary); }
.viz-badge--active { background: #d1fae5; color: #065f46; }
.viz-badge--archived { background: #fef3c7; color: #92400e; }
.viz-badge--disposal { background: #fee2e2; color: #991b1b; }

/* Loading spinner */
.viz-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  padding: 2rem;
  color: var(--text-muted);
}

/* Details toggle arrow */
.viz-toggle-arrow {
  font-size: .75rem;
  color: var(--text-muted);
  transition: transform .15s;
  flex-shrink: 0;
  margin-right: .35rem;
}
details[open] > summary .viz-toggle-arrow { transform: rotate(90deg); }

/* ─── D3 View Panes ──────────────────────────────────────────── */
.viz-d3-pane {
  flex: 1 1 0;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.viz-d3-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .5rem .75rem;
  border-bottom: 1px solid var(--border-color);
  font-size: .85rem;
  background: var(--surface-alt);
}

/* Side panel thumbnail image (shown when a photo is in the ZIP export) */
.viz-side-image {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: .75rem;
  display: block;
}