/* Data tab — prefix .dt- */
.dt { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100%; height: 100%; background: var(--bg); }
.dt-side { border-right: 1px solid var(--border); background: var(--surface); padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.dt-side__head { padding: 4px 10px 8px; letter-spacing: .06em; font-weight: 600; font-size: 11px; }
.dt-side__item { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; border: 0; background: none; border-radius: var(--radius-sm); font: inherit; font-size: var(--fs-sm); color: var(--text-2); cursor: pointer; text-align: left; }
.dt-side__item:hover { background: var(--surface-hover); color: var(--text); }
.dt-side__item.is-active { background: var(--surface-active); color: var(--text); font-weight: 550; }
.dt-side__count { font-size: var(--fs-xs); color: var(--text-3); font-variant-numeric: tabular-nums; }
.dt-side__sep { height: 1px; background: var(--border); margin: 8px 6px; }
.dt-src { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dt-src--sample { background: var(--amber); }
.dt-src--test { background: var(--violet); }
.dt-src--live { background: var(--green); }

.dt-main { min-width: 0; padding: 20px 24px 28px; overflow: auto; display: flex; flex-direction: column; gap: 12px; }
.dt-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.dt-head h2 { margin: 0; }
.dt-callout { margin: 0; }
.dt-rows { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.dt-toolbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.dt-search { width: 260px; max-width: 100%; }

.dt-grid-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); max-height: calc(100vh - 320px); min-height: 120px; }
.dt-grid { width: 100%; border-collapse: separate; border-spacing: 0; font-size: var(--fs-sm); }
.dt-grid th { position: sticky; top: 0; z-index: 1; text-align: left; font-weight: 550; font-size: var(--fs-xs); color: var(--text-3); background: var(--surface-2); padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; cursor: pointer; user-select: none; }
.dt-grid th:hover, .dt-grid th.is-sorted { color: var(--text); }
.dt-grid td { padding: 0; border-bottom: 1px solid var(--border); vertical-align: middle; max-width: 280px; }
.dt-grid tr:last-child td { border-bottom: 0; }
.dt-grid tbody tr:hover td { background: var(--surface-hover); }
.dt-grid td:not(.dt-actions-col) { cursor: text; }
.dt-cell { padding: 8px 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-height: 34px; }
.dt-c--longtext .dt-cell { max-width: 280px; }
.dt-grid td.is-editing { box-shadow: inset 0 0 0 2px var(--blueprint); background: var(--surface); }
.dt-edit { width: 100%; min-width: 120px; height: 34px; padding: 0 10px; border: 0; outline: 0; background: transparent; font: inherit; color: var(--text); }
.dt-edit--ghost { height: 30px; border: 1px solid transparent; border-radius: var(--radius-sm); }
.dt-edit--ghost:hover, .dt-edit--ghost:focus { border-color: var(--border-strong); background: var(--surface); }
.dt-actions-col { width: 40px; text-align: center; }
.dt-actions-col .icon-btn { opacity: 0; }
.dt-grid tr:hover .dt-actions-col .icon-btn, .dt-actions-col .icon-btn:focus-visible { opacity: 1; }
.dt-status { display: inline-block; padding: 1px 8px; border-radius: var(--radius-full); background: var(--bg-sunken); color: var(--text-2); font-size: var(--fs-xs); font-weight: 500; }
.dt-tag { display: inline-block; padding: 1px 6px; margin-right: 4px; border-radius: 5px; background: var(--blueprint-soft); color: var(--blueprint-ink); font-size: var(--fs-xs); }
.dt-score { display: inline-flex; align-items: center; gap: 8px; }
.dt-score__track { display: block; width: 44px; height: 5px; border-radius: 3px; background: var(--bg-sunken); overflow: hidden; }
.dt-score__track > span { display: block; height: 100%; border-radius: 3px; background: var(--blueprint); }
.dt-score b { font-weight: 600; font-variant-numeric: tabular-nums; }
.dt-foot { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }

.dt-schema { display: flex; flex-direction: column; }
.dt-grid--schema td { padding: 6px 12px; cursor: default !important; }
.dt-uses { display: flex; flex-direction: column; gap: 6px; }

.dt-pane { max-width: 900px; }
.dt-pane h2, .dt-pane p { margin: 0; }
.dt-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px 16px; }
.dt-member { padding: 6px 0; }
.dt-member + .dt-member { border-top: 1px solid var(--border); }

.dt-sql { border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.dt-sql__input { display: block; width: 100%; border: 0; outline: 0; resize: vertical; padding: 14px 16px; background: var(--bg-sunken); color: var(--text); font-size: var(--fs-sm); line-height: 1.6; }
.dt-sql__input:focus { box-shadow: inset 0 0 0 2px var(--blueprint-line); }
.dt-sql__bar { padding: 8px 10px 8px 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.dt-chip-btn { border: 1px solid var(--border); background: var(--surface); color: var(--text-2); border-radius: 5px; padding: 1px 6px; margin-left: 4px; font-family: var(--font-mono); font-size: 11px; cursor: pointer; }
.dt-chip-btn:hover { border-color: var(--blueprint-line); color: var(--blueprint-ink); }

@media (max-width: 760px) {
  .dt { grid-template-columns: 1fr; height: auto; }
  .dt-side { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 8px; }
  .dt-side__head, .dt-side__sep { display: none; }
  .dt-side__item { width: auto; white-space: nowrap; flex-shrink: 0; }
  .dt-main { padding: 16px; }
  .dt-search { width: 100%; }
  .dt-grid-wrap { max-height: 60vh; }
  .dt-actions-col .icon-btn { opacity: 1; }
}

/* Ask your data (plain words → SQL) */
.dt-ask { display: flex; align-items: center; gap: 8px; padding: 6px 6px 6px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--surface); transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.dt-ask:focus-within { border-color: var(--blueprint); box-shadow: 0 0 0 3px var(--focus-ring); }
.dt-ask__icon { color: var(--violet); flex: none; }
.dt-ask__input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; font-size: var(--fs-md); padding: 6px 0; }
.dt-ask__input::placeholder { color: var(--text-4); }
.dt-said { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: var(--radius); background: var(--violet-soft); color: var(--violet-ink); font-size: var(--fs-sm); }
.dt-uses__agent { color: var(--text); text-decoration: none; }
.dt-uses__agent:hover span:first-of-type { color: var(--blueprint); text-decoration: underline; text-underline-offset: 3px; }