/* datafiller docs — shared visualization components.
 *
 * Design tokens piggyback on sphinxawesome's shadcn-style HSL variables
 * (--background, --card, --border, --foreground, --muted-foreground) so every
 * component follows the theme's light/dark toggle (html.dark) with no JS.
 * Series hues are CVD-validated pairs, stepped separately for each surface.
 */

:root {
  --df-series-1: #2a78d6; /* blue — slot 1 (MAR / imputed) */
  --df-series-2: #1baf7a; /* aqua — slot 2 (Blocks) */
  --df-series-1-wash: rgba(42, 120, 214, 0.1);
  --df-series-1-band: rgba(42, 120, 214, 0.07);
  --df-context: #898781; /* de-emphasis gray for context series */
  --df-hairline: hsl(var(--border));
  --df-ink: hsl(var(--foreground));
  --df-ink-2: hsl(var(--muted-foreground));
  --df-surface: hsl(var(--card));
  --df-wash: hsl(var(--muted));
}

.dark {
  --df-series-1: #3987e5;
  --df-series-2: #199e70;
  --df-series-1-wash: rgba(57, 135, 229, 0.16);
  --df-series-1-band: rgba(57, 135, 229, 0.09);
}

.df-viz {
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  color: var(--df-ink);
  margin: 1rem 0 1.5rem;
}

/* ---- cards ---------------------------------------------------------- */

.df-card {
  background: var(--df-surface);
  border: 1px solid var(--df-hairline);
  border-radius: 0.625rem;
  padding: 1rem 1.125rem 1.125rem;
  min-width: 0;
}

.df-card + .df-card {
  margin-top: 1rem;
}

.df-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 0.125rem;
}

.df-card-sub {
  font-size: 0.78rem;
  color: var(--df-ink-2);
  margin: 0 0 0.75rem;
}

.df-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1rem;
}

.df-grid-2 > .df-card + .df-card {
  margin-top: 0;
}

/* ---- stat tiles ------------------------------------------------------ */

.df-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.df-stat {
  flex: 1 1 8rem;
  background: var(--df-surface);
  border: 1px solid var(--df-hairline);
  border-radius: 0.625rem;
  padding: 0.625rem 0.875rem 0.7rem;
}

.df-stat-label {
  font-size: 0.72rem;
  color: var(--df-ink-2);
  margin-bottom: 0.15rem;
  white-space: nowrap;
}

.df-stat-value {
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.2;
}

.df-stat-value small {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--df-ink-2);
}

/* ---- legend & chips -------------------------------------------------- */

.df-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.78rem;
  color: var(--df-ink-2);
  margin: 0.25rem 0 0.75rem;
}

.df-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.df-key-rect {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 0.2rem;
  flex: none;
}

.df-key-line {
  width: 1.1rem;
  height: 0;
  border-top: 2px solid currentColor;
  border-radius: 1px;
  flex: none;
}

.df-key-band {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 0.2rem;
  background: var(--df-series-1-band);
  border: 1px solid var(--df-series-1-wash);
  flex: none;
}

.df-chip {
  display: inline-block;
  font-size: 0.72rem;
  line-height: 1.4;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: var(--df-wash);
  color: var(--df-ink-2);
  white-space: nowrap;
}

/* ---- segmented control ----------------------------------------------- */

.df-seg {
  display: inline-flex;
  gap: 0.125rem;
  padding: 0.125rem;
  background: var(--df-wash);
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
}

.df-seg button {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--df-ink-2);
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.3;
  padding: 0.25rem 0.75rem;
  border-radius: 0.4rem;
  cursor: pointer;
}

.df-seg button:hover {
  color: var(--df-ink);
}

.df-seg button[aria-pressed="true"] {
  background: var(--df-surface);
  border-color: var(--df-hairline);
  color: var(--df-ink);
  font-weight: 600;
}

/* ---- tables ----------------------------------------------------------- */

.df-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--df-hairline);
  border-radius: 0.625rem;
  background: var(--df-surface);
}

table.df-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin: 0;
}

table.df-table th,
table.df-table td {
  padding: 0.45rem 0.75rem;
  text-align: left;
  white-space: nowrap;
  border: 0;
  border-bottom: 1px solid var(--df-hairline);
  background: transparent;
}

table.df-table thead th {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--df-ink-2);
  letter-spacing: 0.02em;
  vertical-align: bottom;
}

table.df-table tbody tr:last-child th,
table.df-table tbody tr:last-child td {
  border-bottom: 0;
}

table.df-table tbody tr:hover td {
  background: var(--df-wash);
}

table.df-table td.df-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

table.df-table th.df-num {
  text-align: right;
}

table.df-table td.df-imputed {
  background: var(--df-series-1-wash);
  box-shadow: inset 2px 0 0 var(--df-series-1);
}

table.df-table tbody tr:hover td.df-imputed {
  background: var(--df-series-1-wash);
}

table.df-table td .df-nan {
  color: var(--df-ink-2);
  opacity: 0.7;
  font-size: 0.72rem;
}

/* ---- pager ------------------------------------------------------------ */

.df-pager {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--df-ink-2);
  margin-top: 0.6rem;
}

.df-pager button {
  appearance: none;
  border: 1px solid var(--df-hairline);
  background: var(--df-surface);
  color: var(--df-ink);
  border-radius: 0.4rem;
  font: inherit;
  line-height: 1;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
}

.df-pager button:hover:not(:disabled) {
  background: var(--df-wash);
}

.df-pager button:disabled {
  opacity: 0.4;
  cursor: default;
}

/* ---- charts ------------------------------------------------------------ */

.df-chart {
  position: relative;
}

.df-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.df-chart .df-grid-line {
  stroke: var(--df-hairline);
  stroke-width: 1;
}

.df-chart .df-axis-text {
  fill: var(--df-ink-2);
  font-size: 11px;
  font-family: inherit;
}

.df-chart .df-bar-label {
  fill: var(--df-ink);
  font-size: 11px;
  font-family: inherit;
}

.df-chart .df-crosshair {
  stroke: var(--df-ink-2);
  stroke-width: 1;
}

.df-tooltip {
  position: absolute;
  pointer-events: none;
  z-index: 30;
  background: var(--df-surface);
  border: 1px solid var(--df-hairline);
  border-radius: 0.5rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  padding: 0.5rem 0.7rem;
  font-size: 0.78rem;
  min-width: 9rem;
  display: none;
}

.df-tooltip.df-show {
  display: block;
}

.df-tooltip .df-tt-title {
  color: var(--df-ink-2);
  font-size: 0.72rem;
  margin-bottom: 0.25rem;
  white-space: nowrap;
}

.df-tooltip .df-tt-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  line-height: 1.5;
  white-space: nowrap;
}

.df-tooltip .df-tt-row .df-tt-value {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-left: auto;
  padding-left: 0.8rem;
}

.df-footnote {
  font-size: 0.75rem;
  color: var(--df-ink-2);
  margin-top: 0.5rem;
}

.df-footnote a {
  color: inherit;
}

@media (prefers-reduced-motion: no-preference) {
  .df-seg button,
  .df-pager button {
    transition:
      background-color 120ms ease,
      color 120ms ease;
  }
}