/* Chart chrome: a search line, then a filter row and a view-control row. */

.chart-chrome {
  background: transparent;
}

.chart-chrome-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.35rem 1rem 0.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.15rem 1rem;
}

.chart-chrome-search {
  order: 1;
  flex: 0 1 auto;
  width: min(100%, calc(4.75rem + 24rem));
  max-width: 100%;
  min-width: 0;
}

.chart-chrome-search input {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
}

.chart-chrome-actions {
  order: 3;
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex: 1 1 100%;
  margin-left: 0;
}

.chart-chrome-actions .settings-control {
  margin-left: auto;
}

.chart-chrome-tools {
  order: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.1rem 0;
  flex: 1 1 100%;
  min-width: 0;
}

.chart-chrome-tools > * + * {
  margin-left: 0.35rem;
  padding-left: 0.7rem;
  border-left: 1px solid var(--border);
}

.chart-chrome .chip-switch,
.chart-chrome .filter-label {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
}

.chart-chrome .chip-switch-label,
.chart-chrome .filter-label > span {
  margin: 0;
  white-space: nowrap;
  font-weight: 400;
  color: var(--text-muted);
}

.filter-label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  align-self: center;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.filter-label input {
  width: 100%;
  min-width: 0;
  padding: 0.32rem 0 0.28rem;
  border: none;
  border-radius: 0;
  appearance: none;
  background-color: transparent;
  background-image: linear-gradient(var(--text-secondary), var(--text-secondary));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 100% 4px;
  /* Zigzag the bottom strip. The upper mask keeps the field and text intact. */
  --search-zigzag: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='4' viewBox='0 0 12 4'%3E%3Cpath d='M0 .4L6 2.4 12 .4 12 1.4 6 3.4 0 1.4Z' fill='%23000'/%3E%3C/svg%3E");
  -webkit-mask-image: linear-gradient(#000 0 0), var(--search-zigzag);
  mask-image: linear-gradient(#000 0 0), var(--search-zigzag);
  -webkit-mask-position: left top, left bottom;
  mask-position: left top, left bottom;
  -webkit-mask-size: 100% calc(100% - 4px), 12px 4px;
  mask-size: 100% calc(100% - 4px), 12px 4px;
  -webkit-mask-repeat: no-repeat, repeat-x;
  mask-repeat: no-repeat, repeat-x;
  -webkit-mask-composite: source-over;
  mask-composite: add;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.2;
}

.filter-label input::placeholder {
  color: var(--text);
  opacity: 1;
}

.filter-label input:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  background-image: linear-gradient(var(--text), var(--text));
}

.chip-switch {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.chip-switch[hidden] {
  display: none !important;
}

.chip-switch.region-filter {
  display: none;
}

html.regions-enabled .chip-switch.region-filter {
  display: flex;
}

.chip-switch-label {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.chip-switch-group {
  display: inline-flex;
  border: none;
  border-radius: 0;
  overflow: visible;
  background: transparent;
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  margin: 0;
  padding: 0.32rem 0.4rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  line-height: 1.2;
}

.sort-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.05rem;
}

.sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  margin: 0;
  padding: 0.32rem 0.4rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  line-height: 1.2;
}

.sort-arrow {
  width: 0.72em;
  height: 0.72em;
  flex-shrink: 0;
  opacity: 0;
  overflow: visible;
  transition: opacity 0.15s ease, transform 0.18s ease;
}

.sort-arrow path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sort-btn.is-active .sort-arrow,
.sort-btn-years .sort-arrow {
  opacity: 0.9;
}

.sort-btn[data-dir="desc"] .sort-arrow {
  transform: rotate(180deg);
}

.chip-btn:hover,
.sort-btn:hover,
.sort-btn:focus-visible {
  color: var(--text);
  background: transparent;
}

.sort-btn:focus-visible,
.chip-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  position: relative;
  z-index: 1;
}

.chart-chrome .chip-btn.is-active,
.chart-chrome .sort-btn.is-active {
  color: var(--text);
  font-weight: 600;
  background: transparent;
  box-shadow: inset 0 -1px 0 currentColor;
}

.settings-panel .chip-switch-group {
  background: var(--input-bg);
  overflow: hidden;
}

.settings-panel .chip-btn.is-active {
  color: var(--bg);
  background: var(--text);
  font-weight: 600;
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  .sort-arrow {
    transition: none;
  }
}

.chip-btn:hover {
  color: var(--text);
}

.chip-btn.is-active {
  color: var(--text);
  font-weight: 600;
}

.region-filter .chip-btn {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.export-group {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.2;
  white-space: nowrap;
}

.export-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: inherit;
}

.export-icon svg {
  display: block;
  width: 0.95em;
  height: 0.95em;
}

.export-lead,
.export-sep {
  font-weight: 400;
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0.32rem 0.05rem;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
}

.export-btn:hover:not(:disabled) {
  color: var(--text);
  background: transparent;
}

.export-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.export-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

#export-surface {
  width: 100%;
}

.export-capture-header {
  display: none;
}

.export-capture-lede {
  width: fit-content;
  max-width: 100%;
  padding: 1.5rem 1.75rem 1.35rem;
  background: var(--surface);
}

.export-capture-title {
  margin: 0;
  font-family: var(--font-display);
  /* Larger than the on-screen title: the exported chart is poster-sized. */
  font-size: 4.25rem;
  font-weight: 600;
  letter-spacing: var(--type-title-tracking);
  line-height: 1.08;
  color: var(--text);
}

.export-capture-subtitle {
  margin: 0.55rem 0 0;
  font-family: var(--font);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: var(--type-body-tracking);
  color: var(--text-secondary);
}

body.is-exporting {
  --export-margin-x: 1.5rem;
  --export-margin-y: 1.25rem;
}

body.is-exporting .export-capture-header {
  display: block;
  margin: 0 0 1rem;
}

body.is-exporting #export-surface {
  position: fixed;
  left: 0;
  top: 0;
  z-index: -1;
  width: max-content;
  max-width: none;
  margin: 0;
  padding: var(--export-margin-y) var(--export-margin-x);
  background: var(--bg);
  pointer-events: none;
  box-sizing: border-box;
}

body.is-exporting #export-surface .legend {
  max-width: none;
  margin: 0;
  padding: 0;
  border-bottom: none;
}

body.is-exporting #export-surface .chart-panel {
  max-width: none;
  margin: 0;
  padding: 0 0 0;
}

body.is-exporting #export-surface .footer {
  max-width: none;
  margin: 0.65rem 0 0;
  padding: 0.65rem 0 0;
  border-top: 1px solid var(--border);
}

body.is-exporting .timeline-xscroll {
  display: none !important;
}

body.is-exporting .timeline-scroll-clip {
  overflow: visible;
  margin-top: 0.5rem;
}

body.is-exporting #timeline-scroll {
  overflow: visible !important;
  max-width: none;
  max-height: none !important;
  height: auto !important;
  margin-top: 0;
  margin-bottom: 0 !important;
  box-sizing: border-box;
}

body.is-exporting #timeline {
  height: auto !important;
  box-sizing: border-box;
}

/* Export: state column names must not ellipsize (screen UI may). */
body.is-exporting .country-name,
body.is-exporting .country-admitted {
  overflow: visible !important;
  text-overflow: clip !important;
  max-width: none !important;
  max-height: none !important;
}

body.is-exporting .tooltip,
body.is-exporting .tooltip-drawer {
  display: none !important;
}


/* Legend */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
  padding: 0 1rem;
  max-width: var(--page-max);
  margin: 0 auto;
  border-bottom: none;
  font-family: var(--font);
  font-size: var(--type-lead-size);
  letter-spacing: var(--type-body-tracking);
}

.legend-group {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

html[data-color-mode="party"].legend-party .legend-group-party,
html[data-color-mode="person"] .legend-group-person,
html.date-markers.sovereignty-markers-enabled.sovereignty-in-range .legend-group-markers,
html.date-markers.independence-markers-enabled.independence-in-range .legend-group-markers {
  display: flex;
}

html:not(.legend-party) .legend-group-party {
  display: none !important;
}

/* Historical parties collapsed into Other unless detail mode is on */
html:not(.party-detail-enabled) .legend-party-detail,
html:not(.sovereignty-markers-enabled) .legend-item-sovereignty,
html:not(.independence-markers-enabled) .legend-item-independence,
html:not(.sovereignty-in-range) .legend-item-sovereignty,
html:not(.independence-in-range) .legend-item-independence {
  display: none;
}

.legend-heading {
  font-size: var(--type-label-size);
  font-weight: 600;
  letter-spacing: var(--type-body-tracking);
  color: var(--text-muted);
  margin-right: 0.15rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: inherit;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-secondary);
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.swatch.party-democrat { background: var(--party-democrat); }
.swatch.party-republican { background: var(--party-republican); }
.swatch.party-whig { background: var(--party-whig); }
.swatch.party-federalist { background: var(--party-federalist); }
.swatch.party-democratic-republican { background: var(--party-democratic-republican); }
.swatch.party-independent { background: var(--party-independent); }
.swatch.party-other { background: var(--party-other); }
.swatch.marker-sovereignty,
.swatch.marker-independence {
  width: 1.15rem;
  height: 3px;
  border-radius: 0;
}
.swatch.marker-sovereignty {
  background: var(--sovereignty);
  box-shadow: 0 0 0 1px var(--sovereignty-edge);
}
.swatch.marker-independence {
  background: var(--independence);
  box-shadow: 0 0 0 1px var(--independence-edge);
}

.palette-demo {
  display: inline-flex;
  gap: 1px;
  height: 12px;
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.palette-demo span {
  width: 9px;
  display: block;
}

.palette-demo span:nth-child(1) { background: var(--palette-1); }
.palette-demo span:nth-child(2) { background: var(--palette-2); }
.palette-demo span:nth-child(3) { background: var(--palette-3); }
.palette-demo span:nth-child(4) { background: var(--palette-4); }
.palette-demo span:nth-child(5) { background: var(--palette-5); }
.palette-demo span:nth-child(6) { background: var(--palette-6); }
.palette-demo span:nth-child(7) { background: var(--palette-7); }

@media (max-width: 900px) {
  .legend {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }

  .legend-group {
    width: 100%;
    gap: 0.3rem 0.65rem;
  }
}

@media (max-width: 640px) {
  .chart-chrome-inner,
  .legend {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .chart-chrome-inner {
    display: flex;
    flex-wrap: wrap;
  }

  .chart-chrome-search {
    flex: 0 1 auto;
    width: min(100%, calc(4.75rem + 24rem));
    max-width: 100%;
  }

  .chart-chrome-tools {
    justify-content: flex-start;
    flex-wrap: nowrap;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    /* Keep the wide chip row from expanding the page scroll width. */
    contain: paint;
    scrollbar-width: none;
    padding-bottom: 0.15rem;
  }

  .chart-chrome-tools::-webkit-scrollbar {
    display: none;
  }

  .chart-chrome-tools .chip-btn,
  .chart-chrome-tools .sort-btn,
  .chart-chrome-tools .chip-switch-label,
  .chart-chrome-tools .chip-switch,
  .chart-chrome-tools .sort-options {
    flex-shrink: 0;
  }

  .export-btn,
  .settings-btn {
    position: relative;
    padding: 0.35rem 0.05rem;
  }

  .settings-btn {
    padding: 0.35rem;
  }

  .settings-btn-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}

/* Region chips are rebuilt from view.filters; keep them visible for uploads too. */

#custom-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.7rem;
}

#custom-filters[hidden] {
  display: none;
}

.upload-filter-select {
  font: inherit;
  line-height: 1.3;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  white-space: nowrap;
  cursor: pointer;
}

.filter-multi {
  position: relative;
}

.filter-multi-menu {
  position: fixed;
  z-index: 80;
  min-width: 12.5rem;
  max-height: 16rem;
  overflow: auto;
  padding: 0.3rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--text) 18%, transparent);
}

.filter-multi-menu[hidden] {
  display: none;
}

.filter-multi-all,
.filter-multi-option {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  margin: 0;
  padding: 0.28rem 0.4rem;
  border: 0;
  border-radius: 0.4rem;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.filter-multi-all:hover,
.filter-multi-option:hover {
  background: color-mix(in srgb, var(--text) 8%, transparent);
}