/* ===================================================================
 * Ontology Explorer v2 — master-detail layout
 * Lives inside .mdv-tab-panel#panel-ontology behind #ont-v2.
 * All classes are .mdv-ont-* so they don't collide with the legacy
 * .ols-* classes still used by v1.
 * =================================================================== */

#ont-v2 {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ----- Toolbar ---- */
.mdv-ont-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  background: var(--surface-elevated, #f8fafc);
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 0.5rem;
}

.mdv-ont-toolbar input[type="search"],
.mdv-ont-toolbar input[type="text"] {
  flex: 1 1 240px;
  min-width: 200px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 0.375rem;
  font: inherit;
  background: var(--surface, #fff);
  color: var(--text-primary, #111827);
}

.mdv-ont-toolbar select {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 0.375rem;
  background: var(--surface, #fff);
  color: var(--text-primary, #111827);
  font: inherit;
  cursor: pointer;
}

.mdv-ont-toolbar label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-secondary, #475569);
  user-select: none;
  cursor: pointer;
}

.mdv-ont-toolbar input[type="checkbox"] {
  margin: 0;
}

.mdv-ont-toolbar-status {
  font-size: 0.78rem;
  color: var(--text-secondary, #64748b);
  margin-left: auto;
}

/* ---- Master-detail grid ---- */
.mdv-ont-grid {
  display: grid;
  grid-template-columns: 280px minmax(280px, 1fr) 360px;
  gap: 0.75rem;
  align-items: stretch;
  min-height: 480px;
}

.mdv-ont-pane {
  display: flex;
  flex-direction: column;
  background: var(--surface, #fff);
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 0.5rem;
  overflow: hidden;
}

.mdv-ont-pane-header {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border-primary, #e5e7eb);
  background: var(--surface-elevated, #f8fafc);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary, #475569);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mdv-ont-pane-header > span:first-child {
  flex: 0 0 auto;
}

.mdv-ont-tree-search {
  flex: 1 1 180px;
  min-width: 140px;
  margin-left: auto;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--border-primary, #cbd5e1);
  border-radius: 0.3rem;
  font: inherit;
  font-size: 0.78rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-primary, #111827);
  background: var(--surface, #fff);
}
.mdv-ont-tree-search:focus {
  outline: 2px solid rgba(66, 188, 220, 0.4);
  outline-offset: 1px;
  border-color: var(--accent-teal, #42BCDC);
}

.mdv-ont-search-meta {
  padding: 0.4rem 0.7rem;
  font-size: 0.76rem;
  color: var(--text-secondary, #64748b);
  border-bottom: 1px solid var(--border-primary, #f1f5f9);
}

.mdv-ont-search-row {
  align-items: flex-start;
}

.mdv-ont-search-desc {
  padding: 0 0.6rem 0.4rem 1.6rem;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--text-secondary, #64748b);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mdv-ont-pane-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.mdv-ont-empty {
  padding: 1.5rem 1rem;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.9rem;
  text-align: center;
}

.mdv-ont-error {
  padding: 0.75rem;
  background: #fef2f2;
  color: #991b1b;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  margin: 0.5rem;
}

/* ---- Catalog section headers ---- */
.mdv-ont-cat-section {
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary, #64748b);
  padding: 0.5rem 0.55rem 0.3rem;
  border-bottom: 1px solid var(--border-primary, #e2e8f0);
  margin-bottom: 0.25rem;
  background: var(--surface, #fff);
  position: sticky;
  top: 0;
  z-index: 1;
}
.mdv-ont-cat-section + .mdv-ont-cat-section {
  margin-top: 0.5rem;
}

/* ---- Catalog rows ---- */
.mdv-ont-cat-row {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.5rem 0.6rem;
  border-radius: 0.375rem;
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: 0.2rem;
  transition: background-color 120ms;
}

.mdv-ont-cat-row:hover {
  background: var(--surface-elevated, #f1f5f9);
}

.mdv-ont-cat-row.is-selected {
  background: rgba(66, 188, 220, 0.12);
  border-color: rgba(66, 188, 220, 0.45);
}

.mdv-ont-cat-row.is-disabled {
  opacity: 0.65;
}

.mdv-ont-cat-pin {
  flex-shrink: 0;
  background: none;
  border: 0;
  padding: 0.05rem 0.15rem;
  cursor: pointer;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.8rem;
  line-height: 1;
}
.mdv-ont-cat-pin.is-pinned {
  color: #f59e0b;
}

.mdv-ont-cat-main {
  flex: 1;
  min-width: 0;
}

.mdv-ont-cat-id {
  font-family: var(--font-mono, ui-monospace, "JetBrains Mono", monospace);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-primary, #111827);
  letter-spacing: 0.02em;
}

.mdv-ont-cat-title {
  font-size: 0.85rem;
  color: var(--text-primary, #1f2937);
  margin-top: 0.1rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mdv-ont-cat-badges {
  margin-top: 0.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}

.mdv-ont-badge {
  font-size: 0.66rem;
  padding: 0.07rem 0.4rem;
  border-radius: 999px;
  background: rgba(35, 74, 101, 0.08);
  color: var(--accent-navy, #234A65);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.mdv-ont-badge.is-warning {
  background: rgba(234, 179, 8, 0.15);
  color: #92400e;
}
.mdv-ont-badge.is-muted {
  background: rgba(148, 163, 184, 0.18);
  color: #475569;
}
.mdv-ont-badge.is-ok {
  background: rgba(22, 163, 74, 0.12);
  color: #166534;
}

/* ---- Term tree ---- */
.mdv-ont-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-primary, #e5e7eb);
  background: var(--surface-elevated, #f8fafc);
  font-size: 0.78rem;
}
.mdv-ont-breadcrumb-chip {
  display: inline-block;
  background: var(--surface, #fff);
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  cursor: pointer;
  color: var(--text-primary, #1f2937);
  text-decoration: none;
}
.mdv-ont-breadcrumb-chip:hover {
  border-color: var(--accent-teal, #42BCDC);
  color: var(--accent-teal, #42BCDC);
}

.mdv-ont-tree {
  list-style: none;
  margin: 0;
  padding: 0.4rem 0.25rem;
}
.mdv-ont-tree-node {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mdv-ont-tree-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.45rem;
  border-radius: 0.3rem;
  cursor: pointer;
  font-size: 0.88rem;
  border: 1px solid transparent;
}
.mdv-ont-tree-row:hover {
  background: var(--surface-elevated, #f1f5f9);
}
.mdv-ont-tree-row.is-selected {
  background: rgba(66, 188, 220, 0.15);
  border-color: rgba(66, 188, 220, 0.4);
  font-weight: 500;
}
.mdv-ont-tree-toggle {
  flex-shrink: 0;
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 0.7rem;
  color: var(--text-secondary, #64748b);
  padding: 0;
  line-height: 1;
  width: 1rem;
  text-align: center;
}
.mdv-ont-tree-toggle.is-leaf {
  color: transparent;
  cursor: default;
}
.mdv-ont-tree-children {
  list-style: none;
  margin: 0;
  padding-left: 1.1rem;
}
.mdv-ont-tree-loading,
.mdv-ont-tree-empty {
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
}

/* ---- Detail pane ---- */
.mdv-ont-detail-section {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-primary, #f1f5f9);
}
.mdv-ont-detail-section:last-child { border-bottom: 0; }

.mdv-ont-detail-label {
  font-family: var(--font-mono, ui-monospace, "JetBrains Mono", monospace);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary, #111827);
}
.mdv-ont-detail-curie {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.45rem;
  background: rgba(35, 74, 101, 0.08);
  border-radius: 999px;
  font-family: var(--font-mono, ui-monospace, "JetBrains Mono", monospace);
  font-size: 0.78rem;
  color: var(--accent-navy, #234A65);
}
.mdv-ont-detail-iri {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  color: var(--text-secondary, #64748b);
  word-break: break-all;
}
.mdv-ont-detail-iri a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
}

.mdv-ont-detail-text {
  font-size: 0.86rem;
  color: var(--text-primary, #1f2937);
  line-height: 1.45;
  white-space: pre-wrap;
}

.mdv-ont-detail-heading {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary, #64748b);
  margin-bottom: 0.3rem;
}

.mdv-ont-syn-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.mdv-ont-syn-list li {
  font-size: 0.78rem;
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 0.3rem;
  color: var(--text-secondary, #475569);
  background: var(--surface, #fff);
}

.mdv-ont-applied-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mdv-ont-applied-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.45rem;
  background: var(--surface-elevated, #f8fafc);
  border: 1px solid var(--border-primary, #e5e7eb);
  border-radius: 0.3rem;
  font-size: 0.8rem;
}
.mdv-ont-applied-row code {
  font-family: var(--font-mono, ui-monospace, "JetBrains Mono", monospace);
  color: var(--accent-navy, #234A65);
}
.mdv-ont-applied-row .mdv-ont-applied-rm {
  margin-left: auto;
  border: 0;
  background: none;
  cursor: pointer;
  color: #b91c1c;
  font-size: 0.85rem;
  line-height: 1;
}

.mdv-ont-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem 0.75rem;
}
.mdv-ont-action-row button,
.mdv-ont-action-row a.mdv-ont-link {
  font-size: 0.83rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.35rem;
  border: 1px solid var(--accent-teal, #42BCDC);
  background: var(--accent-teal, #42BCDC);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.mdv-ont-action-row button.is-secondary,
.mdv-ont-action-row a.mdv-ont-link.is-secondary {
  background: var(--surface, #fff);
  color: var(--accent-teal, #42BCDC);
}
.mdv-ont-action-row button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Mobile ---- */
@media (max-width: 900px) {
  .mdv-ont-grid {
    grid-template-columns: 1fr;
  }
  .mdv-ont-pane {
    min-height: 240px;
  }
}

/* ---- Dark theme support ----
   Scoped to the in-app theme (data-theme) so the OS color-scheme only takes
   effect when the user explicitly chose "auto". Previously this was a bare
   `@media (prefers-color-scheme: dark)` block, so on Windows the ontology panes
   followed the OS setting regardless of the in-app toggle — producing
   dark-panes-with-dark-text (app light + OS dark) or light-panes-with-light-text
   (app dark + OS light), i.e. unreadable text. */
[data-theme="dark"] .mdv-ont-toolbar { background: rgba(15, 23, 42, 0.4); }
[data-theme="dark"] .mdv-ont-pane    { background: rgba(15, 23, 42, 0.55); }
[data-theme="dark"] .mdv-ont-pane-header { background: rgba(15, 23, 42, 0.75); }
[data-theme="dark"] .mdv-ont-cat-row.is-selected { background: rgba(66, 188, 220, 0.18); }

@media (prefers-color-scheme: dark) {
  [data-theme="auto"] .mdv-ont-toolbar { background: rgba(15, 23, 42, 0.4); }
  [data-theme="auto"] .mdv-ont-pane    { background: rgba(15, 23, 42, 0.55); }
  [data-theme="auto"] .mdv-ont-pane-header { background: rgba(15, 23, 42, 0.75); }
  [data-theme="auto"] .mdv-ont-cat-row.is-selected { background: rgba(66, 188, 220, 0.18); }
}