/* ── CSV Plugin Styles ─────────────────────────────────────────────────
 * Replaces the old simple-datatables overrides. Grid, dialogs, toolbar,
 * find-key bar, and tree view — all themed via the global CSS custom
 * properties defined in editor.css / tokens.css.
 */

/* ── CSV pane layout ─────────────────────────────────────────────────── */
#csv-pane {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg0);
  position: relative;
  height: 100%;
}
/* Toolbar lives outside #csv-pane so it stays visible in code view too. */
#csv-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg1);
  flex-shrink: 0;
  position: relative;
  z-index: 4;
}
#csv-toolbar-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
#csv-toolbar .tb-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 6px;
  border-right: 1px solid var(--border);
}
#csv-toolbar .tb-group:last-child { border-right: none; }
#csv-toolbar .tb-label {
  font-size: 11px;
  color: var(--text2);
  font-family: var(--font-ui);
}
#csv-toolbar .tb-btn {
  background: var(--bg3);
  color: var(--text1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-family: var(--font-ui);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
#csv-toolbar .tb-btn:hover:not(:disabled) {
  background: var(--bg2);
  color: var(--text0);
  border-color: var(--accent);
}
#csv-toolbar .tb-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
#csv-toolbar .tb-btn.active {
  background: var(--accent);
  color: var(--bg0);
  border-color: var(--accent);
}
#csv-toolbar .tb-select {
  background: var(--bg0);
  color: var(--text0);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ── Grid ────────────────────────────────────────────────────────────── */
#csv-grid-wrap {
  flex: 1;
  overflow: auto;
  background: var(--bg0);
  position: relative;
}
#csv-grid {
  border-collapse: separate;
  border-spacing: 0;
  width: max-content;
  min-width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  table-layout: auto;
}
#csv-grid-head {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg1);
}
#csv-grid-head th {
  background: var(--bg1);
  color: var(--text0);
  padding: 6px 10px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  border-right: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
  position: sticky;
}
#csv-grid-head th.col-label-row {
  background: var(--bg2);
  color: var(--text2);
  font-weight: 500;
  font-size: 11px;
  border-bottom-width: 1px;
}
#csv-grid-head th.row-num {
  background: var(--bg2);
  color: var(--text2);
  font-weight: 500;
  font-size: 11px;
  text-align: right;
  width: 48px;
  min-width: 48px;
  position: sticky;
  left: 0;
  z-index: 3;
}
#csv-grid-head th.add-col-btn {
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  text-align: center;
  width: 32px;
  font-weight: 600;
}
#csv-grid-head th.add-col-btn:hover {
  background: var(--accent);
  color: var(--bg0);
}
#csv-grid-head th.col-name-row {
  cursor: pointer;
  position: relative;
}
#csv-grid-head th.col-name-row .col-name-text {
  display: inline-block;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: bottom;
}
#csv-grid-head th.col-name-row.col-selected {
  background: var(--accent);
  color: var(--bg0);
}
#csv-grid-head th.col-name-row .drag-over-right {
  border-right: 3px solid var(--accent);
}
/* Visual indicator for clipped (cut) source columns in column clipboard */
#csv-grid-head th.col-clipped,
#csv-grid-head th.col-label-row.col-clipped {
  outline: 2px dashed var(--danger);
  outline-offset: -2px;
  opacity: 0.7;
}
#csv-grid-body td {
  padding: 4px 10px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  vertical-align: top;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}
#csv-grid-body td:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
#csv-grid-body td.editing {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  background: var(--bg2);
}
#csv-grid-body td.selected {
  background: rgba(63, 185, 80, 0.18); /* alpha accent */
}
#csv-grid-body td.anchor {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
#csv-grid-body td.col-selected {
  background: rgba(63, 185, 80, 0.10);
}
#csv-grid-body tr:nth-child(even) td { background: var(--bg1); }
#csv-grid-body tr:nth-child(odd) td { background: var(--bg0); }
#csv-grid-body tr:nth-child(even) td.selected,
#csv-grid-body tr:nth-child(odd) td.selected,
#csv-grid-body tr:nth-child(even) td.col-selected,
#csv-grid-body tr:nth-child(odd) td.col-selected {
  background: rgba(63, 185, 80, 0.18);
}
#csv-grid-body th.row-num {
  background: var(--bg2);
  color: var(--text2);
  padding: 4px 8px;
  text-align: right;
  font-weight: 500;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: sticky;
  left: 0;
  z-index: 1;
  user-select: none;
}

/* ── Status bar ──────────────────────────────────────────────────────── */
#csv-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg1);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  flex-shrink: 0;
}
#csv-status-selection { color: var(--text1); }
#csv-status-dims { color: var(--text2); }

/* ── Tree view panel ─────────────────────────────────────────────────── */
#csv-tree-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  background: var(--bg1);
  border-left: 1px solid var(--border);
  overflow: auto;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  z-index: 5;
}
#csv-tree-panel.hidden { display: none; }
.tree-node { padding: 2px 0; }
.tree-toggle {
  display: inline-block;
  width: 14px;
  color: var(--text2);
  cursor: pointer;
  user-select: none;
}
.tree-key {
  color: var(--accent);
  margin-right: 6px;
  font-weight: 500;
}
.tree-type-badge {
  background: var(--bg3);
  color: var(--text2);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: var(--radius);
  margin-right: 6px;
}
.tree-preview {
  color: var(--text2);
  font-style: italic;
}
.tree-children { padding-left: 18px; }
.tree-children.hidden { display: none; }

/* ── Find Key bar ────────────────────────────────────────────────────── */
#csv-find-key-bar {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 6;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  min-width: 280px;
  font-family: var(--font-mono);
  font-size: 12px;
}
#csv-find-key-bar.hidden { display: none; }
#csv-find-key-input {
  background: var(--bg0);
  color: var(--text0);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  width: 200px;
}
#csv-find-key-bar .tb-btn {
  background: var(--bg3);
  color: var(--text1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-family: var(--font-ui);
  font-size: 11px;
  cursor: pointer;
}
#csv-find-key-bar .tb-btn:hover {
  background: var(--accent);
  color: var(--bg0);
  border-color: var(--accent);
}
#csv-find-key-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
}
.csv-find-key-summary {
  color: var(--text2);
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.csv-find-key-row {
  display: grid;
  grid-template-columns: 50px 1fr 1fr;
  gap: 8px;
  padding: 3px 4px;
  border-radius: var(--radius);
  cursor: pointer;
}
.csv-find-key-row:hover { background: var(--bg3); }
.csv-find-key-line { color: var(--accent); font-weight: 500; }
.csv-find-key-path { color: var(--text1); }
.csv-find-key-value { color: var(--text2); }

/* ── Dialogs (used by Join, Split, Target, Transpose, Delete Range) ──── */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.dialog-backdrop.hidden { display: none; }
.dialog-box {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 420px;
  max-width: 92vw;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.dialog-header h3 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.dialog-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
}
.dialog-close:hover { color: var(--danger); }
.dialog-body {
  padding: 14px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
}
.dialog-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.dialog-row label {
  color: var(--text1);
}
.dialog-row input[type="text"] {
  background: var(--bg0);
  color: var(--text0);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.dialog-row input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(63,185,80,0.15);
}
.dialog-row fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin: 0;
}
.dialog-row legend {
  color: var(--text2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 6px;
}
.dialog-row label input[type="radio"],
.dialog-row label input[type="checkbox"] {
  margin-right: 6px;
  accent-color: var(--accent);
}
.dialog-hint {
  color: var(--text2);
  font-size: 11px;
  margin-top: 8px;
  line-height: 1.4;
}
.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg2);
}
.btn-primary,
.btn-secondary {
  background: var(--bg3);
  color: var(--text1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-family: var(--font-ui);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg0);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--text0);
  border-color: var(--text0);
}
.btn-secondary:hover {
  background: var(--bg2);
  border-color: var(--accent);
}

/* ── Workspace layout when in csv view (table view only) ─────────────────
 * When tab.view === 'code', editor.js unhides #pane-code itself so the
 * CSS rule below is overridden by inline `hidden = false`. */
#workspace.view-csv {
  grid-template-columns: 1fr;
}
#workspace.view-csv > #pane-divider,
#workspace.view-csv > #pane-preview,
#workspace.view-csv > #mermaid-pane,
#workspace.view-csv > #terminal-pane,
#workspace.view-csv > #api-pane,
#workspace.view-csv > #hex-pane { display: none; }
#workspace.view-csv > #csv-pane {
  display: flex;
  flex-direction: column;
}