:root {
  --bg: #1e1e2e;
  --bg-surface: #252536;
  --bg-hover: #2d2d44;
  --bg-active: #363654;
  --border: #3a3a5c;
  --text: #cdd6f4;
  --text-dim: #888;
  --text-bright: #fff;
  --accent: #89b4fa;
  --accent-dim: #45577d;
  --green: #a6e3a1;
  --red: #f38ba8;
  --yellow: #f9e2af;
  --orange: #fab387;
  --toolbar-h: 44px;
  --search-bar-h: 32px;
  --mobile-nav-h: 48px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  font-size: 13px;
}

/* ── Toolbar ── */
#toolbar {
  height: var(--toolbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  gap: 10px;
  z-index: 10;
}

.toolbar-left, .toolbar-center, .toolbar-right { display: flex; align-items: center; gap: 12px; }
.toolbar-left { flex: 1; min-width: 0; }
.toolbar-center { flex: 0; }
.toolbar-right { flex: 1; justify-content: flex-end; }

/* ── Toolbar Tabs ── */
.toolbar-tabs {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}
.toolbar-tab {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: all .15s;
}
.toolbar-tab:hover { color: var(--text); }
.toolbar-tab.active {
  background: var(--accent-dim);
  color: var(--accent);
}
.toolbar-tab.hidden { display: none; }

#download-summary-btn {
  margin-left: 8px;
  border: 1px solid var(--border);
}
#download-summary-btn:hover { background: var(--bg-hover); color: var(--accent); }

.toolbar-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 10px;
  background: var(--accent-dim);
  color: var(--text-bright);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
  transition: background .15s;
}
.toolbar-btn:hover { background: var(--accent); color: var(--bg); }

.report-name {
  font-size: 12px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Search ── */
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 8px;
  gap: 4px;
}
.search-box svg { flex-shrink: 0; color: var(--text-dim); }
.search-box input[type="text"] {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 12px;
  width: 180px;
  padding: 5px 0;
}
.search-box input[type="text"]::placeholder { color: var(--text-dim); }

.regex-toggle {
  cursor: pointer;
  font-size: 11px;
  color: var(--text-dim);
  user-select: none;
}
.regex-toggle input { display: none; }
.regex-toggle input:checked + span { color: var(--accent); font-weight: bold; }

.search-clear {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 16px; padding: 0 2px;
}
.search-clear:hover { color: var(--text); }

.search-results-bar {
  height: var(--search-bar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 12px;
}
.search-results-bar.hidden { display: none; }
.search-nav { display: flex; align-items: center; gap: 6px; }
.search-nav button {
  background: var(--bg); border: 1px solid var(--border);
  color: var(--text); border-radius: 3px; padding: 2px 8px;
  cursor: pointer; font-size: 12px;
}
.search-nav button:hover { background: var(--bg-hover); }

/* ── Main container ── */
#main-container {
  display: flex;
  height: calc(100vh - var(--toolbar-h));
}
body.search-active #main-container {
  height: calc(100vh - var(--toolbar-h) - var(--search-bar-h));
}

.panel {
  overflow: auto;
  height: 100%;
}

#tree-panel {
  width: 20%;
  border-right: 1px solid var(--border);
  min-width: 200px;
}

#detail-panel {
  width: 80%;
  min-width: 200px;
}

/* ── Search Highlighting ── */
.search-highlight-cell {
  background: rgba(249, 226, 175, 0.2);
  outline: 1px solid var(--yellow);
}

.search-match-text {
  background: var(--yellow);
  color: var(--bg);
  padding: 0 2px;
  border-radius: 2px;
}

.row-jumping {
  animation: flash-row 2s ease-out;
}

@keyframes flash-row {
  0% { background-color: var(--accent-dim); }
  100% { background-color: transparent; }
}

.local-search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  margin-right: 8px;
}

.local-search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 11px;
  width: 120px;
}

.resize-handle {
  width: 4px;
  cursor: col-resize;
  background: var(--border);
  flex-shrink: 0;
  transition: background .15s;
}
.resize-handle:hover, .resize-handle.active { background: var(--accent); }

/* ── Table Actions ── */
.table-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
  align-items: center;
}
.table-action-btn {
  background: var(--bg-surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 11px;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.table-action-btn:hover {
  background: var(--bg-hover);
  color: var(--accent);
  border-color: var(--accent);
}
.table-action-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Modals ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  transform: translateY(20px);
  transition: transform .2s;
}
.modal-overlay.open .modal {
  transform: translateY(0);
}
.modal-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 18px;
}
.modal-close:hover { color: var(--red); }

.modal-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.modal-btn {
  padding: 6px 16px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--bg-hover);
  color: var(--text);
}
.modal-btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.modal-btn-primary:hover { background: var(--text-bright); }

/* Column Selection List */
.column-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}
.column-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
}
.column-item:hover { background: var(--bg-hover); }
.column-item input { cursor: pointer; }

/* Filter UI */
.filter-row {
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.filter-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.filter-col-select {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
}
.filter-op-select {
  margin: 0 8px;
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
}
.filter-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.filter-tag {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  cursor: pointer;
}
.filter-tag.selected {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}
.filter-add-btn {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 6px;
}
.filter-add-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-logic-select {
  background: var(--bg-surface);
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: bold;
}

/* ── Tree View ── */
#tree-view { padding: 4px 0; }

.tree-node {
  user-select: none;
}

.tree-node-header {
  display: flex;
  align-items: center;
  padding: 3px 8px;
  cursor: pointer;
  gap: 4px;
  border-left: 3px solid transparent;
  transition: background .1s;
}
.tree-node-header:hover { background: var(--bg-hover); }
.tree-node-header.active {
  background: var(--bg-active);
  border-left-color: var(--accent);
}
.tree-node-header.search-hit {
  background: rgba(249,226,175,0.15);
}

.tree-toggle {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: var(--text-dim);
  flex-shrink: 0;
  transition: transform .15s;
}
.tree-toggle.expanded { transform: rotate(90deg); }
.tree-toggle.leaf { visibility: hidden; }

.tree-icon {
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
}

.tree-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.tree-badge {
  font-size: 10px;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0 5px;
  border-radius: 8px;
  margin-left: 4px;
}

.tree-children {
  display: none;
  padding-left: 16px;
}
.tree-children.expanded { display: block; }

/* ── Detail View ── */
#detail-view { padding: 12px; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  color: var(--text-dim);
  gap: 16px;
}
.empty-state p { font-size: 14px; }

.detail-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.detail-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
}
.detail-header .icon { font-size: 20px; }

.detail-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.detail-tab {
  padding: 6px 14px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
  background: none; border-top: none; border-left: none; border-right: none;
}
.detail-tab:hover { color: var(--text); }
.detail-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.detail-section {
  margin-bottom: 16px;
}
.detail-section-title {
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  font-weight: 600;
}

/* ── Tables ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-bottom: 12px;
}
.data-table th {
  text-align: left;
  padding: 6px 10px;
  background: var(--bg-surface);
  color: var(--text-dim);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.data-table th:hover { color: var(--text); }
.data-table th .sort-arrow { font-size: 10px; margin-left: 3px; }

.data-table td {
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.data-table td.wrap {
  white-space: normal;
  word-break: break-all;
}
.data-table tr:hover { background: var(--bg-hover); }
.data-table tr.clickable { cursor: pointer; }
.data-table tr.clickable:hover { background: var(--bg-active); }

/* ── Comparison Styles ── */
.row-added { color: var(--green); }
.row-removed { color: var(--red); text-decoration: line-through; }
.row-modified { color: var(--orange); }

.diff-indicator {
  display: inline-block;
  width: 18px;
  text-align: center;
  font-weight: bold;
  margin-right: 4px;
}
.diff-added { color: var(--green); }
.diff-removed { color: var(--red); }
.diff-modified { color: var(--orange); font-size: 10px; }

/* ── KV pairs ── */
.kv-grid {
  display: grid;
  grid-template-columns: minmax(120px, auto) 1fr;
  gap: 1px;
  margin-bottom: 12px;
  font-size: 12px;
}
.kv-key {
  padding: 4px 10px;
  background: var(--bg-surface);
  color: var(--text-dim);
  font-weight: 500;
}
.kv-value {
  padding: 4px 10px;
  word-break: break-all;
}

/* ── Cards / Info panels ── */
.info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 10px;
}
.info-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
}
.badge-green { background: rgba(166,227,161,.2); color: var(--green); }
.badge-red { background: rgba(243,139,168,.2); color: var(--red); }
.badge-yellow { background: rgba(249,226,175,.2); color: var(--yellow); }
.badge-orange { background: rgba(250,179,135,.2); color: var(--orange); }
.badge-blue { background: rgba(137,180,250,.2); color: var(--accent); }

/* Expandable sections */
.expandable { cursor: pointer; }
.expandable-header {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 0; font-weight: 500;
}
.expandable-header .arrow { transition: transform .15s; font-size: 10px; }
.expandable-header.expanded .arrow { transform: rotate(90deg); }
.expandable-content { display: none; padding-left: 16px; }
.expandable-content.expanded { display: block; }

/* Search highlight */
mark.search-highlight {
  background: rgba(249,226,175,.4);
  color: var(--text-bright);
  padding: 0 1px;
  border-radius: 2px;
}
mark.search-highlight.current {
  background: var(--yellow);
  color: var(--bg);
}

/* ── Registry tree ── */
.reg-value {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 11px;
  color: var(--green);
}
.reg-type {
  font-size: 11px;
  color: var(--orange);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Loading ── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  z-index: 100; gap: 16px;
}
.loading-overlay.hidden { display: none; }

.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

#loading-text { color: var(--text); font-size: 14px; }

/* ── Mobile ── */
.mobile-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--mobile-nav-h);
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: flex; z-index: 10;
}
.mobile-nav.hidden { display: none; }
.mobile-nav-btn {
  flex: 1; border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.mobile-nav-btn.active {
  color: var(--accent);
  background: var(--bg-active);
}

@media (max-width: 768px) {
  .search-box input[type="text"] { width: 120px; }
  .toolbar-btn span { display: none; }

  #main-container { flex-direction: column; }
  #tree-panel, #detail-panel { width: 100% !important; min-width: 0; }
  .resize-handle { display: none; }

  body.mobile-detail #tree-panel { display: none; }
  body.mobile-tree #detail-panel { display: none; }

  #main-container {
    height: calc(100vh - var(--toolbar-h) - var(--mobile-nav-h));
  }
  body.search-active #main-container {
    height: calc(100vh - var(--toolbar-h) - var(--search-bar-h) - var(--mobile-nav-h));
  }
}

/* ── Collapsible groups in detail ── */
.group-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-bright);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.group-toggle:hover { color: var(--accent); }
.group-toggle .chevron {
  transition: transform .15s;
  font-size: 10px;
  color: var(--text-dim);
}
.group-toggle.open .chevron { transform: rotate(90deg); }

.group-header-actions {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
.group-header-actions .toolbar-tab {
  padding: 2px 8px;
  font-size: 10px;
}

.group-content { display: none; }
.group-content.open { display: block; }

/* Virtual scroll container */
.virtual-scroll-container {
  position: relative;
  overflow: auto;
}

/* ── Artefact viewer ── */
.artefact-viewer {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 12px;
  z-index: 5;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
}
.artefact-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-shrink: 0;
}
.artefact-viewer-header h3 {
  color: var(--accent);
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  margin-right: 8px;
}
.artefact-btn {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 10px;
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
}
.artefact-btn:hover { background: var(--accent); color: var(--bg); }
.artefact-btn-close {
  background: none;
  color: var(--text-dim);
  padding: 3px 6px;
  font-size: 14px;
}
.artefact-btn-close:hover { color: var(--red); background: none; }

.artefact-content {
  overflow: auto;
  flex: 1;
  min-height: 0;
}
.artefact-text, .artefact-hex {
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  color: var(--text);
  tab-size: 4;
}
.artefact-hex {
  white-space: pre;
  color: var(--green);
  font-size: 11px;
  line-height: 1.4;
}

/* ── Inline detail popup (overflow-safe) ── */
.inline-detail {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 12px;
  z-index: 5;
  max-height: 60vh;
  display: flex;
  flex-direction: column;
}
.inline-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  margin-bottom: 8px;
}
.inline-detail-body {
  overflow: auto;
  flex: 1;
  min-height: 0;
}