.data-sources-page {
  display: grid;
  gap: 16px;
}

.data-sources-head {
  align-items: center;
  background: linear-gradient(135deg, var(--surface-1), var(--accent-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px 24px;
}

.data-sources-eyebrow {
  color: var(--accent);
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .11em;
  margin-bottom: 3px;
}

.data-sources-head h2 { margin: 0; }
.data-sources-head p { color: var(--text-secondary); margin: 4px 0 0; }
.data-sources-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.data-sources-actions .btn { white-space: nowrap; }

.data-sources-tabs {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 8px;
}

.data-sources-tabs button {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 15px;
  color: var(--text-primary);
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  min-height: 68px;
  padding: 10px 14px;
  text-align: left;
}

.data-sources-tabs button > span {
  align-items: center;
  background: var(--surface-2);
  border-radius: 12px;
  color: var(--accent);
  display: flex;
  font-size: 12px;
  font-weight: 600;
  grid-row: 1 / 3;
  height: 36px;
  justify-content: center;
  margin-right: 11px;
  width: 36px;
}

.data-sources-tabs strong { font-size: 14px; }
.data-sources-tabs small { color: var(--text-secondary); font-size: 11px; }
.data-sources-tabs button:hover { background: var(--surface-2); }
.data-sources-tabs button.active {
  background: var(--accent);
  color: var(--accent-contrast);
}
.data-sources-tabs button.active > span { background: rgba(255,255,255,.18); color: #fff; }
.data-sources-tabs button.active small { color: rgba(255,255,255,.84); }

.data-sources-table-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  min-width: 0;
  overflow: hidden;
}

.data-sources-toolbar,
.data-sources-table-meta,
.data-sources-pagination {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  padding: 14px 18px;
}

.data-sources-toolbar { border-bottom: 1px solid var(--border); }
.data-sources-toolbar > div:not(.data-sources-toolbar-actions) { display: grid; gap: 3px; min-width: 0; }
.data-sources-status { color: var(--text-secondary); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.data-sources-status.error,
.data-sources-upload-status.error { color: var(--status-critical); }
.data-sources-upload-status { color: var(--text-secondary); font-size: 11px; min-height: 15px; }
.data-sources-upload-status.success { color: var(--status-good); }

.data-sources-toolbar > .data-sources-toolbar-actions {
  align-items: center;
  display: flex;
  flex: 0 1 auto;
  gap: 10px;
  justify-content: flex-end;
  min-width: 0;
}
.data-sources-search {
  max-width: 360px;
  min-width: 240px;
  width: min(360px, 38vw);
}
.data-sources-toolbar-actions .btn { flex: 0 0 auto; white-space: nowrap; }
.data-sources-search input,
.data-sources-table-meta select {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font: inherit;
  outline: none;
}
.data-sources-search input { padding: 9px 14px; width: 100%; }
.data-sources-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

#data-sources-page:fullscreen,
#data-sources-page:-webkit-full-screen,
#data-sources-page.data-sources-fullscreen-fallback {
  background: var(--page-bg);
  gap: 10px;
  grid-template-rows: auto auto minmax(0, 1fr);
  height: 100%;
  margin: 0;
  max-width: none;
  min-height: 0;
  overflow: hidden;
  padding: 12px;
  width: 100%;
}

#data-sources-page.data-sources-fullscreen-fallback {
  display: grid !important;
  inset: 0;
  position: fixed;
  z-index: 10000;
}

body.data-sources-fullscreen-fallback-active { overflow: hidden; }

#data-sources-page.data-sources-fullscreen-active .data-sources-head {
  padding: 10px 14px;
}

#data-sources-page.data-sources-fullscreen-active .data-sources-eyebrow,
#data-sources-page.data-sources-fullscreen-active .data-sources-head p {
  display: none;
}

#data-sources-page.data-sources-fullscreen-active .data-sources-tabs {
  min-height: 0;
}

#data-sources-page.data-sources-fullscreen-active .data-sources-tabs button {
  min-height: 54px;
}

#data-sources-page.data-sources-fullscreen-active .data-sources-table-card {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#data-sources-page.data-sources-fullscreen-active .data-sources-toolbar,
#data-sources-page.data-sources-fullscreen-active .data-sources-table-meta,
#data-sources-page.data-sources-fullscreen-active .data-sources-pagination {
  flex: 0 0 auto;
}

#data-sources-page.data-sources-fullscreen-active .data-sources-table-scroll {
  flex: 1 1 auto;
  max-height: none;
  min-height: 0;
}

.data-sources-table-meta { color: var(--text-secondary); font-size: 12px; padding-block: 9px; }
.data-sources-table-meta label { align-items: center; display: flex; gap: 8px; }
.data-sources-table-meta select { border-radius: 10px; padding: 6px 24px 6px 9px; }

.data-sources-table-scroll {
  border-block: 1px solid var(--border);
  max-height: min(62vh, 680px);
  overflow: auto;
}

.data-sources-table {
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
  min-width: max-content;
  width: 100%;
}

.data-sources-table th {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-strong);
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-sources-table th button {
  background: transparent;
  border: 0;
  color: var(--text-primary);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  width: 100%;
}
.data-sources-table th button span { color: var(--accent); font-size: 11px; margin-left: 3px; }
.data-sources-table td {
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  max-width: 280px;
  overflow: hidden;
  padding: 11px 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.data-sources-table tbody tr:hover td { background: var(--accent-soft); }
.data-sources-empty { color: var(--text-secondary) !important; padding: 50px 18px !important; text-align: center; }
.data-source-expand-cell { text-align: center; }
.data-source-expand {
  align-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 9px;
  color: var(--accent);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 17px;
  height: 30px;
  justify-content: center;
  width: 30px;
}
.data-source-expand:hover { background: var(--accent); color: #fff; }
.data-sources-pagination { padding-block: 12px; }
.data-sources-pagination strong { color: var(--text-primary); font-size: 12px; }

.data-source-detail-dialog {
  background: transparent;
  border: 0;
  color: var(--text-primary);
  max-width: min(760px, calc(100vw - 32px));
  padding: 0;
  width: 100%;
}
.data-source-detail-dialog::backdrop { background: rgba(6, 6, 10, .66); backdrop-filter: blur(4px); }
.data-source-detail-dialog article {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-card);
  box-shadow: 0 24px 80px rgba(0,0,0,.34);
  overflow: hidden;
}
.data-source-detail-dialog header { align-items: center; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; padding: 18px 20px; }
.data-source-detail-dialog header span { color: var(--accent); font-size: 11px; }
.data-source-detail-dialog h2 { font-size: 18px; margin: 2px 0 0; }
.data-source-detail-dialog header button { background: var(--surface-2); border: 1px solid var(--border); border-radius: 50%; color: var(--text-primary); cursor: pointer; font-size: 20px; height: 36px; width: 36px; }
.data-source-detail-dialog pre { color: var(--text-primary); font: 400 14px/1.65 var(--font); margin: 0; max-height: 60vh; overflow: auto; padding: 20px; white-space: pre-wrap; word-break: break-word; }

.data-source-upload-dialog {
  background: transparent;
  border: 0;
  color: var(--text-primary);
  max-width: min(520px, calc(100vw - 32px));
  padding: 0;
  width: 100%;
}
.data-source-upload-dialog::backdrop { background: rgba(6, 6, 10, .66); backdrop-filter: blur(4px); }
.data-source-upload-dialog form { background: var(--surface-1); border: 1px solid var(--border-strong); border-radius: var(--radius-card); box-shadow: 0 24px 80px rgba(0,0,0,.34); overflow: hidden; }
.data-source-upload-dialog header,
.data-source-upload-dialog footer { align-items: center; display: flex; gap: 10px; justify-content: space-between; padding: 16px 18px; }
.data-source-upload-dialog header { border-bottom: 1px solid var(--border); }
.data-source-upload-dialog header span { color: var(--accent); font-size: 10px; letter-spacing: .08em; }
.data-source-upload-dialog h2 { font-size: 18px; margin: 2px 0 0; }
.data-source-upload-dialog header > button { background: var(--surface-2); border: 1px solid var(--border); border-radius: 50%; color: var(--text-primary); cursor: pointer; font-size: 20px; height: 36px; width: 36px; }
.data-source-upload-body { display: grid; gap: 14px; padding: 18px; }
.data-source-upload-body p { background: var(--accent-soft); border: 1px solid var(--border); border-radius: 12px; color: var(--text-primary); margin: 0; padding: 12px; }
.data-source-schema-warning { background: color-mix(in srgb, var(--status-warning) 10%, var(--surface-2)); border: 1px solid color-mix(in srgb, var(--status-warning) 55%, var(--border)); border-radius: 14px; display: grid; gap: 7px; padding: 12px; }
.data-source-schema-warning[hidden],
.data-source-schema-confirm[hidden] { display: none; }
.data-source-schema-warning strong { color: var(--status-warning); font-size: 14px; }
.data-source-schema-warning span { color: var(--text-primary); font-size: 12px; line-height: 1.5; }
.data-source-schema-warning ul { color: var(--text-primary); font-size: 12px; line-height: 1.55; margin: 2px 0 0; max-height: 190px; overflow: auto; padding-left: 22px; }
.data-source-schema-confirm { align-items: flex-start; background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 12px; cursor: pointer; display: flex !important; gap: 9px !important; line-height: 1.45; padding: 11px 12px; }
.data-source-schema-confirm[hidden] { display: none !important; }
.data-source-upload-body .data-source-schema-confirm input { accent-color: var(--accent); box-shadow: none; flex: 0 0 auto; height: 17px; margin: 1px 0 0; padding: 0; width: 17px; }
.data-source-upload-body label { display: grid; font-size: 12px; gap: 6px; }
.data-source-upload-body input { background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 12px; color: var(--text-primary); font: inherit; padding: 11px 12px; }
.data-source-upload-body input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }
.data-source-upload-body small { color: var(--text-secondary); }
.data-source-upload-dialog footer { background: var(--surface-2); justify-content: flex-end; }

@media (max-width: 900px) {
  .data-sources-tabs { grid-template-columns: 1fr; }
  .data-sources-head,
  .data-sources-toolbar { align-items: stretch; flex-direction: column; }
  .data-sources-actions { justify-content: stretch; }
  .data-sources-actions .btn { flex: 1; }
  .data-sources-toolbar > .data-sources-toolbar-actions { align-items: stretch; width: 100%; }
  .data-sources-search { max-width: none; width: 100%; }
}

@media (max-width: 520px) {
  .data-sources-toolbar > .data-sources-toolbar-actions { flex-direction: column; }
  .data-sources-toolbar-actions .btn { width: 100%; }
}
.data-source-upload-dialog-error {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: 10px;
  background: #fef2f2;
  color: #b91c1c;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}