/**
 * Entity engine styles (apps/web).
 *
 * Styles for the Chunk #4 entity engine UI: the tabbed directory, the fuzzy
 * search bar, the entity card grid, the create/edit drawer, the relationship
 * editor, and the force-directed relationship map. These sit on top of the
 * `@pubscript/ui` component kit (AppShell.css) and reuse its design tokens
 * (`--ps-*`) and field/button/drawer/tabs/badge classes.
 */

/* Full-width container for the entity engine (overrides .ps-content narrowness). */
.ps-entities-view {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ps-entities-view > .ps-tabs {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ---- Search bar + new-entity actions ---- */
.ps-entity-search {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.ps-entity-search-input {
  flex: 1;
  min-width: 240px;
}

.ps-entity-new-group {
  display: flex;
  gap: 8px;
}

/* ---- Entity card grid ---- */
.ps-entity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  padding-bottom: 96px;
}

.ps-entity-card {
  text-align: left;
  border: 1px solid var(--ps-border);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--ps-surface-2);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--ps-font-ui);
}

.ps-entity-card:hover {
  border-color: var(--ps-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.ps-entity-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ps-entity-type-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ps-accent) 16%, transparent);
  color: var(--ps-accent);
}

.ps-type-character {
  background: color-mix(in srgb, var(--ps-accent) 16%, transparent);
  color: var(--ps-accent);
}

.ps-type-worldItem {
  background: color-mix(in srgb, #8a5cf5 16%, transparent);
  color: #8a5cf5;
}

.ps-entity-card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ps-text);
  margin: 0;
  word-break: break-word;
}

.ps-entity-card-sub {
  font-size: 13px;
  color: var(--ps-text-muted);
  margin: 0;
}

.ps-entity-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}

.ps-entity-tag {
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--ps-surface);
  color: var(--ps-text-muted);
  border: 1px solid var(--ps-border);
}

/* ---- Relationship map ---- */
.ps-entity-map {
  padding: 8px;
  display: flex;
  justify-content: center;
}

.ps-relationship-map {
  width: 100%;
  max-width: 640px;
  height: auto;
  border: 1px solid var(--ps-border);
  border-radius: 10px;
  background: var(--ps-surface-2);
}

.ps-relationship-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 420px;
  color: var(--ps-text-muted);
  font-size: 15px;
}

.ps-relationship-node {
  transition: transform 0.1s;
}

.ps-relationship-label {
  font-family: var(--ps-font-ui);
}

/* ---- Entity editor drawer ---- */
.ps-entity-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ps-entity-editor-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--ps-border);
}

.ps-spacer {
  flex: 1;
}

.ps-entity-delete {
  margin-right: auto;
}

/* ---- Generic entity fields ---- */
.ps-entity-fields {
  display: flex;
  flex-direction: column;
}

.ps-field-span-2 {
  grid-column: span 2;
}

.ps-textarea {
  resize: vertical;
  min-height: 60px;
  font-family: var(--ps-font-ui);
  line-height: 1.5;
}

.ps-field-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ps-text);
}

/* ---- Tag field ---- */
.ps-tag-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ps-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ps-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  padding: 2px 6px 2px 10px;
  border-radius: 999px;
  background: var(--ps-surface);
  border: 1px solid var(--ps-border);
  color: var(--ps-text);
}

.ps-tag-remove {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ps-text-muted);
  font-size: 15px;
  line-height: 1;
  padding: 0 2px;
}

.ps-tag-remove:hover {
  color: var(--ps-danger);
}

/* ---- Relationship editor ---- */
.ps-relationship-editor {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--ps-border);
}

.ps-relationship-list {
  list-style: none;
  margin: 8px 0 12px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ps-relationship-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--ps-surface-2);
  border: 1px solid var(--ps-border);
  border-radius: 8px;
}

.ps-relationship-kind {
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ps-accent) 16%, transparent);
  color: var(--ps-accent);
}

.ps-relationship-target {
  flex: 1;
  font-size: 14px;
  color: var(--ps-text);
}

.ps-relationship-remove {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ps-text-muted);
  font-size: 18px;
  line-height: 1;
  padding: 0 4px;
}

.ps-relationship-remove:hover {
  color: var(--ps-danger);
}

.ps-relationship-add {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.ps-relationship-target-select,
.ps-relationship-kind-select {
  flex: 1;
  min-width: 120px;
}

.ps-relationship-note {
  flex: 2;
  min-width: 120px;
}

/* ---- Misc ---- */
.ps-muted {
  color: var(--ps-text-muted);
  font-size: 14px;
}

/* ---- Toolbar + tabs ---- */
.ps-entity-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.ps-entity-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--ps-border);
  padding-bottom: -1px;
}

.ps-entity-tab {
  background: none;
  border: none;
  padding: 8px 12px;
  font-size: 14px;
  font-family: var(--ps-font-ui);
  color: var(--ps-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.ps-entity-tab:hover {
  color: var(--ps-text);
}

.ps-entity-tab.active {
  color: var(--ps-text);
  border-bottom-color: var(--ps-accent);
  font-weight: 600;
}

.ps-entity-new-kind {
  min-width: 120px;
}

/* ---- Entity editor drawer header/body ---- */
.ps-entity-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.ps-entity-editor-header h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  color: var(--ps-text);
}

.ps-entity-editor-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  padding: 4px 2px;
}

.ps-icon-btn {
  border: none;
  background: none;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--ps-text-muted);
  padding: 0 4px;
}

.ps-icon-btn:hover {
  color: var(--ps-text);
}

/* ---- Relationship section + map ---- */
.ps-relationship-section {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--ps-border);
}

.ps-relationship-section h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ps-text-muted);
  margin: 0 0 8px;
}

.ps-relationship-map-wrap {
  margin-top: 12px;
  display: flex;
  justify-content: center;
}

.ps-relationship-svg {
  width: 100%;
  max-width: 520px;
  height: auto;
}

.ps-relationship-map-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--ps-text-muted);
  font-size: 14px;
}

.ps-rel-edge {
  stroke: var(--ps-border);
  stroke-width: 1.5;
}

.ps-rel-node {
  stroke: var(--ps-surface);
  stroke-width: 2;
  transition: transform 0.1s;
}

.ps-rel-node-label {
  font-family: var(--ps-font-ui);
  font-size: 10px;
  fill: var(--ps-text-muted);
  pointer-events: none;
}