.datasources-page {
  position: relative;
  height: calc(100vh - 115px);
  min-width: 0;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  color: var(--text);
  background: var(--bg);
}

.datasources-page *,
.datasources-page *::before,
.datasources-page *::after {
  box-sizing: border-box;
}

.datasources-shell {
  display: grid;
  grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: var(--border-line);
  background: var(--panel);
}

.datasources-sidebar,
.datasources-workspace,
.datasources-content,
.datasources-list-frame {
  min-width: 0;
  min-height: 0;
}

.datasources-sidebar {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: var(--border-line);
  background: var(--panel-soft);
}

.datasources-sidebar-toolbar,
.datasources-workspace-toolbar,
.datasources-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex: 0 0 auto;
  border-bottom: var(--border-line);
  background: var(--panel-header);
}

.datasources-sidebar-toolbar {
  min-height: 52px;
  padding: 8px 10px 8px 14px;
}

.datasources-toolbar-actions,
.datasources-current-title,
.datasources-current-title > span,
.datasources-section-heading > span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.datasources-view-switch {
  padding: 8px;
  border-bottom: var(--border-line);
  background: var(--panel);
}

.datasources-search {
  padding: 9px;
  border-bottom: var(--border-line);
}

.datasources-search input {
  width: 100%;
  min-height: 34px;
  padding: 7px 9px;
}

.datasources-list-frame {
  flex: 1 1 auto;
  overflow: hidden;
}

.datasources-list {
  height: 100%;
  overflow: auto;
  padding: 6px;
}

.datasources-list > button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 56px;
  padding: 8px 9px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.datasources-list > button:hover,
.datasources-list > button:focus-visible {
  background: var(--primary-soft);
  outline: none;
}

.datasources-list > button.is-selected {
  background: var(--primary-soft-strong);
  box-shadow: inset 3px 0 0 var(--accent);
}

.datasources-list > button > span:first-child {
  min-width: 0;
}

.datasources-list strong,
.datasources-list small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.datasources-list strong {
  color: var(--text-strong);
  font-size: 13px;
}

.datasources-list small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.datasources-list-empty,
.datasources-inline-empty,
.datasources-inline-loading {
  display: grid;
  place-items: center;
  min-height: 110px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.datasources-workspace {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.datasources-workspace-toolbar {
  min-height: 58px;
  padding: 8px 10px 8px 14px;
}

.datasources-current-title {
  min-width: 0;
}

.datasources-current-title > span {
  display: block;
  min-width: 0;
}

.datasources-current-title strong,
.datasources-current-title small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.datasources-current-title strong {
  color: var(--text-strong);
  font-size: 14px;
}

.datasources-current-title small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.datasources-alerts {
  flex: 0 0 auto;
  padding: 0 12px;
}

.datasources-alerts:empty {
  display: none;
}

.datasources-alerts .alert {
  margin: 10px 0 0;
}

.datasources-content {
  flex: 1 1 auto;
  overflow: auto;
  padding: 14px;
}

.datasources-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(100px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.datasources-metrics > span {
  min-width: 0;
  min-height: 61px;
  padding: 9px 10px;
  border: var(--border-line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.datasources-metrics small,
.datasources-metrics strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.datasources-metrics small {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.datasources-metrics strong {
  margin-top: 6px;
  color: var(--text-strong);
  font-size: 14px;
  text-transform: capitalize;
}

.datasources-description {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-left: 3px solid var(--accent);
  background: var(--panel-soft);
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
}

.datasources-detail-section {
  min-width: 0;
  margin-bottom: 14px;
  border: var(--border-line);
  background: var(--panel);
}

.datasources-section-heading {
  min-height: 42px;
  padding: 7px 10px;
}

.datasources-section-heading > span {
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 650;
}

.datasources-section-heading small {
  color: var(--muted);
  font-size: 11px;
}

.datasources-table-scroll {
  max-width: 100%;
  overflow: auto;
}

.datasources-preview-table {
  max-height: 310px;
}

.datasources-table-scroll table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text);
  font-size: 12px;
}

.datasources-table-scroll th,
.datasources-table-scroll td {
  min-width: 100px;
  max-width: 320px;
  padding: 8px 10px;
  border-right: var(--border-line);
  border-bottom: var(--border-line);
  overflow: hidden;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.datasources-table-scroll th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--panel-header);
  color: var(--text-strong);
  font-weight: 650;
}

.datasources-table-scroll tr:last-child td {
  border-bottom: 0;
}

.datasources-fingerprint {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.datasources-key-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.datasources-key-values > span {
  min-width: 0;
  padding: 12px;
  border-right: var(--border-line);
}

.datasources-key-values > span:last-child {
  border-right: 0;
}

.datasources-key-values small,
.datasources-key-values strong {
  display: block;
}

.datasources-key-values small {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.datasources-key-values strong {
  overflow-wrap: anywhere;
  color: var(--text-strong);
  font-size: 12px;
  font-weight: 600;
}

.datasources-validation-alerts {
  display: grid;
  gap: 8px;
  padding: 10px;
  border-top: var(--border-line);
}

.datasources-validation-alerts .alert {
  margin: 0;
}

.datasources-diagnostic-list,
.datasources-schema-changes {
  display: grid;
  gap: 7px;
  margin: 7px 0 0;
  padding: 0;
  list-style: none;
}

.datasources-diagnostic-list li,
.datasources-diagnostic-list span,
.datasources-diagnostic-list small,
.datasources-schema-changes li,
.datasources-schema-changes span,
.datasources-schema-changes strong,
.datasources-schema-changes small {
  display: block;
  min-width: 0;
}

.datasources-diagnostic-list small,
.datasources-schema-changes small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.datasources-validation-ok {
  padding: 10px 12px;
  border-top: var(--border-line);
  color: var(--success);
  font-size: 12px;
}

.datasources-schema-changes {
  margin: 0;
  padding: 8px 10px;
}

.datasources-schema-changes li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 9px;
  padding: 6px 0;
}

.datasources-schema-changes li + li {
  border-top: var(--border-line);
}

.datasources-schema-changes strong {
  color: var(--text-strong);
  font-size: 12px;
  font-weight: 600;
}

.datasources-workspace-empty {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 100%;
  gap: 10px;
  color: var(--muted);
  text-align: center;
}

.datasources-working {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 4;
  padding: 7px 10px;
  border: var(--border-line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  box-shadow: var(--shadow);
  color: var(--text-strong);
  font-size: 12px;
}

.datasources-add-dialog {
  width: min(760px, calc(100vw - 32px));
}

.datasources-governance-dialog {
  width: min(980px, calc(100vw - 32px));
  max-height: min(860px, calc(100vh - 32px));
}

.datasources-governance-dialog .datasources-dialog-fields textarea {
  min-height: 76px;
}

.datasources-dialog-fields {
  display: grid;
  gap: 12px;
}

.datasources-dialog-fields textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
}

.datasources-dialog-copy {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 900px) {
  .datasources-page {
    height: auto;
    min-height: calc(100vh - 92px);
    overflow: auto;
  }

  .datasources-shell {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .datasources-sidebar {
    max-height: 42vh;
    border-right: 0;
    border-bottom: var(--border-line);
  }

  .datasources-workspace {
    min-height: 58vh;
  }

  .datasources-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .datasources-workspace-toolbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .datasources-toolbar-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .datasources-metrics,
  .datasources-key-values {
    grid-template-columns: 1fr;
  }

  .datasources-key-values > span {
    border-right: 0;
    border-bottom: var(--border-line);
  }

  .datasources-key-values > span:last-child {
    border-bottom: 0;
  }
}