:root {
  color-scheme: light;
  --ink: #1b1f24;
  --muted: #667085;
  --line: #d8dee8;
  --surface: #ffffff;
  --page: #f4f6f8;
  --blue: #246bfe;
  --blue-soft: #dbe7ff;
  --red: #d64545;
  --red-soft: #f8dddd;
  --green: #168a65;
  --gold: #a66a00;
  --shadow: 0 10px 24px rgba(27, 31, 36, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow,
.topbar__meta,
.panel__heading span,
.table-toolbar p,
.notes,
.stat span,
.search span {
  color: var(--muted);
  font-size: 0.85rem;
}

.eyebrow {
  margin: 0 0 4px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

.dashboard,
.lower-grid {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 16px;
}

.control-panel,
.map-panel,
.panel,
.chart-panel,
.redistricting-panel,
.demographic-panel,
.scenario-overlay-panel,
.line-diagnostics-panel,
.table-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.control-panel {
  padding: 18px;
}

.control-panel__heading,
.panel__heading,
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

#ballot-label {
  margin: 4px 0 0;
  color: var(--muted);
  font-weight: 700;
}

#reset-button,
#reset-demographics {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f9fafb;
  color: var(--ink);
  cursor: pointer;
}

.ballot-slider {
  width: 100%;
  margin: 30px 0 8px;
  accent-color: var(--blue);
}

.slider-scale,
.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.slider-scale {
  color: var(--muted);
  font-size: 0.78rem;
}

.scenario-control {
  display: grid;
  gap: 6px;
  margin-top: 18px;
}

.scenario-control span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.scenario-control select {
  min-height: 38px;
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

.scenario-description {
  min-height: 54px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.stat {
  min-height: 86px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 1.75rem;
  line-height: 1;
}

.demographic-panel,
.scenario-overlay-panel,
.scenario-deep-dive-panel,
.line-diagnostics-panel {
  margin-top: 16px;
  padding: 18px;
}

.demographic-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.demographic-control {
  display: grid;
  gap: 8px;
  min-height: 128px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.demographic-control strong,
.demographic-control em,
.demographic-control output {
  display: block;
}

.demographic-control em {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-style: normal;
}

.demographic-control output {
  font-weight: 800;
}

.demographic-control input {
  width: 100%;
  accent-color: var(--green);
}

.demographic-summary {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.map-panel {
  display: flex;
  flex-direction: column;
  min-height: 306px;
  padding: 14px;
}

.seat-strip {
  display: grid;
  grid-template-columns: repeat(29, minmax(8px, 1fr));
  gap: 4px;
  flex: 1;
  align-content: start;
}

.seat {
  aspect-ratio: 1;
  min-width: 8px;
  border-radius: 3px;
  border: 1px solid rgba(27, 31, 36, 0.12);
}

.seat--d {
  background: var(--blue);
}

.seat--r {
  background: var(--red);
}

.seat--toss {
  background: var(--gold);
}

.seat--changed {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 1px var(--gold);
}

.result-bar {
  display: flex;
  height: 18px;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 4px;
  background: #eef1f5;
}

.result-bar__d {
  background: var(--blue);
}

.result-bar__r {
  background: var(--red);
}

.lower-grid {
  margin-top: 16px;
}

.chart-panel {
  margin-top: 16px;
  padding: 18px;
}

.chart-panel p,
.redistricting-panel p,
.demographic-panel p,
.scenario-overlay-panel p,
.scenario-deep-dive-panel p,
.line-diagnostics-panel p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.scenario-overlay {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.scenario-summary-grid,
.graph-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scenario-summary,
.graph-toggle {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfcfe;
}

.scenario-summary {
  display: inline-grid;
  gap: 2px;
  min-height: 42px;
  padding: 7px 12px;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.scenario-summary span {
  color: var(--muted);
  font-size: 0.76rem;
}

.scenario-summary--selected {
  border-color: var(--green);
  background: #eefbf6;
}

.scenario-explanation {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.scenario-explanation strong {
  color: var(--ink);
}

.scenario-explanation span {
  display: block;
  margin-top: 2px;
}

.scenario-effect-strip {
  display: grid;
  grid-template-columns: repeat(29, minmax(8px, 1fr));
  gap: 4px;
}

.effect-seat {
  aspect-ratio: 1;
  min-width: 8px;
  border-radius: 3px;
  border: 1px solid rgba(27, 31, 36, 0.1);
}

.effect-seat--d {
  background: var(--blue);
}

.effect-seat--r {
  background: var(--red);
}

.effect-seat--split {
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.88) 0,
    rgba(255, 255, 255, 0.88) 3px,
    rgba(27, 31, 36, 0.18) 3px,
    rgba(27, 31, 36, 0.18) 6px
  );
}

.effect-seat--new-data {
  box-shadow: inset 0 0 0 2px rgba(255, 244, 215, 0.95), 0 0 0 1px var(--gold);
}

.scenario-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.scenario-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.scenario-deep-dive {
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.deep-dive-card {
  min-height: 196px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.deep-dive-card__top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.deep-dive-card__top strong {
  line-height: 1.2;
}

.deep-dive-card__body {
  margin-top: 10px;
}

.deep-dive-card__body p {
  margin: 0 0 8px;
  line-height: 1.45;
}

.deep-dive-card__body a {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.legend-box {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(27, 31, 36, 0.16);
}

.legend-box--d {
  background: var(--blue);
}

.legend-box--r {
  background: var(--red);
}

.legend-box--split {
  background: repeating-linear-gradient(
    135deg,
    #fff 0,
    #fff 3px,
    rgba(27, 31, 36, 0.28) 3px,
    rgba(27, 31, 36, 0.28) 6px
  );
}

.legend-box--new {
  background: #fff4d7;
  border-color: var(--gold);
}

.graph-toggles {
  margin-top: 14px;
}

.graph-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 10px;
  color: var(--muted);
  font-size: 0.84rem;
}

.graph-toggle input {
  accent-color: var(--green);
}

.chart-wrap {
  position: relative;
  width: 100%;
  margin-top: 12px;
  overflow-x: auto;
}

.majority-chart {
  display: block;
  width: 100%;
  min-width: 680px;
  height: auto;
  cursor: crosshair;
}

.chart-grid {
  stroke: #e4e9f0;
  stroke-width: 1;
}

.chart-zone {
  opacity: 0.52;
}

.chart-zone--d {
  fill: var(--blue-soft);
}

.chart-zone--r {
  fill: var(--red-soft);
}

.chart-axis {
  stroke: #aeb8c6;
  stroke-width: 1.25;
}

.chart-axis--zero {
  stroke: #8b96a6;
}

.chart-axis--center {
  stroke-dasharray: 4 5;
}

.chart-line {
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  opacity: 0.86;
}

.chart-band {
  fill: rgba(22, 138, 101, 0.16);
}

.chart-line--selected {
  stroke-width: 5;
  opacity: 1;
}

.chart-line--0 {
  stroke: #546a7b;
}

.chart-line--1 {
  stroke: var(--green);
}

.chart-line--2 {
  stroke: #8a5cf6;
}

.chart-line--3 {
  stroke: var(--red);
}

.chart-line--4 {
  stroke: var(--blue);
}

.chart-band--0 {
  fill: rgba(84, 106, 123, 0.12);
}

.chart-band--1 {
  fill: rgba(22, 138, 101, 0.14);
}

.chart-band--2 {
  fill: rgba(138, 92, 246, 0.13);
}

.chart-band--3 {
  fill: rgba(214, 69, 69, 0.12);
}

.chart-band--4 {
  fill: rgba(36, 107, 254, 0.12);
}

.chart-current-line {
  stroke: var(--ink);
  stroke-dasharray: 5 5;
  stroke-width: 1.5;
}

.chart-hover-layer[hidden] {
  display: none;
}

.chart-hover-line {
  stroke: var(--ink);
  stroke-width: 1.5;
}

.chart-hover-dot {
  fill: var(--surface);
  stroke-width: 3;
}

.chart-hover-dot--0 {
  stroke: #546a7b;
}

.chart-hover-dot--1 {
  stroke: var(--green);
}

.chart-hover-dot--2 {
  stroke: #8a5cf6;
}

.chart-hover-dot--3 {
  stroke: var(--red);
}

.chart-hover-dot--4 {
  stroke: var(--blue);
}

.chart-dot {
  stroke: #fff;
  stroke-width: 2;
}

.chart-dot--d {
  fill: var(--blue);
}

.chart-dot--r {
  fill: var(--red);
}

.chart-label {
  fill: var(--muted);
  font-size: 13px;
}

.chart-label--axis {
  font-weight: 700;
}

.chart-tooltip {
  position: absolute;
  z-index: 10;
  width: min(320px, calc(100% - 16px));
  padding: 11px 12px;
  border: 1px solid rgba(27, 31, 36, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 34px rgba(27, 31, 36, 0.16);
  color: var(--ink);
  font-size: 0.82rem;
  pointer-events: none;
}

.chart-tooltip__title {
  margin-bottom: 8px;
  font-weight: 900;
}

.chart-tooltip__row {
  display: grid;
  grid-template-columns: 10px minmax(70px, 1fr) auto;
  gap: 7px;
  align-items: center;
  padding: 5px 0;
  border-top: 1px solid #edf1f6;
}

.chart-tooltip__row span,
.chart-tooltip__row strong {
  white-space: nowrap;
}

.chart-tooltip__row em {
  grid-column: 2 / -1;
  color: var(--muted);
  font-size: 0.76rem;
  font-style: normal;
}

.chart-tooltip__key {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.chart-tooltip__key--0 {
  background: #546a7b;
}

.chart-tooltip__key--1 {
  background: var(--green);
}

.chart-tooltip__key--2 {
  background: #8a5cf6;
}

.chart-tooltip__key--3 {
  background: var(--red);
}

.chart-tooltip__key--4 {
  background: var(--blue);
}

.panel {
  padding: 18px;
}

.redistricting-panel {
  margin-top: 16px;
  padding: 18px;
}

.table-wrap--short {
  max-height: 360px;
  margin-top: 14px;
}

.state-change-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.state-card {
  min-height: 168px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.state-card__top,
.state-card__numbers {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.state-card__name {
  margin-top: 6px;
  font-weight: 800;
}

.state-card__numbers {
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 800;
}

.state-card__range,
.quality-note,
.empty-state {
  color: var(--muted);
  font-size: 0.82rem;
}

.state-card__range {
  margin-top: 6px;
}

.state-card p {
  line-height: 1.42;
}

.summary-row {
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.summary-row:first-of-type {
  margin-top: 14px;
}

.race-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.race-list li {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 10px;
  align-items: center;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.race-list__changed {
  background: #fffaf0;
}

.party-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  font-size: 0.78rem;
}

.party-pill--d {
  background: var(--blue);
}

.party-pill--r {
  background: var(--red);
}

.map-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f9fafb;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

.map-badge--changed {
  border-color: #f1c978;
  background: #fff4d7;
  color: #7a4b00;
}

.map-badge--stable {
  border-color: #cfd8e4;
  background: #eef2f7;
}

.composition-cell {
  color: var(--muted);
  font-size: 0.84rem;
}

.quality-note {
  display: block;
  margin-top: 4px;
  white-space: normal;
}

.table-panel {
  margin-top: 16px;
  overflow: hidden;
}

.table-toolbar {
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.table-toolbar p {
  margin: 4px 0 0;
}

.search {
  display: grid;
  gap: 4px;
}

.search input {
  width: min(320px, 44vw);
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.table-wrap {
  max-height: 520px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.district-row--changed {
  background: #fffdf7;
}

th {
  position: sticky;
  top: 0;
  background: #f9fafb;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  z-index: 1;
}

.margin-d {
  color: var(--blue);
  font-weight: 800;
}

.margin-r {
  color: var(--red);
  font-weight: 800;
}

.notes {
  max-width: 980px;
  margin-top: 16px;
  line-height: 1.5;
}

.notes p {
  margin-bottom: 6px;
}

.seat-tooltip {
  position: fixed;
  z-index: 20;
  max-width: 360px;
  padding: 12px;
  border: 1px solid rgba(27, 31, 36, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 40px rgba(27, 31, 36, 0.18);
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1.45;
  pointer-events: none;
}

.seat-tooltip strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

@media (max-width: 860px) {
  .shell {
    padding: 16px;
  }

  .topbar,
  .control-panel__heading,
  .panel__heading,
  .table-toolbar {
    align-items: start;
    flex-direction: column;
  }

  .dashboard,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .state-change-list {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .demographic-controls {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .scenario-deep-dive {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .scenario-effect-strip {
    grid-template-columns: repeat(19, minmax(8px, 1fr));
  }

  .seat-strip {
    grid-template-columns: repeat(19, minmax(10px, 1fr));
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .search,
  .search input {
    width: 100%;
  }

  th,
  td {
    padding: 10px 12px;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .seat-strip {
    grid-template-columns: repeat(15, minmax(10px, 1fr));
  }

  .race-list li {
    grid-template-columns: 58px 1fr;
  }

  .state-change-list {
    grid-template-columns: 1fr;
  }

  .demographic-controls {
    grid-template-columns: 1fr;
  }

  .scenario-deep-dive {
    grid-template-columns: 1fr;
  }

  .scenario-effect-strip {
    grid-template-columns: repeat(15, minmax(8px, 1fr));
  }

  .race-list li strong:last-child {
    grid-column: 2;
  }
}