:root {
  color-scheme: dark;
  font-family: Inter, system-ui, "Noto Sans CJK SC", sans-serif;
  background: #0e0e0e;
  color: #ffffff;
  --black: #0e0e0e;
  --orange: #ff9000;
  --panel: #171717;
  --panel-raised: #1c1c1c;
  --border: #2c2c2c;
  --muted: #a4a4a4;
  --muted-strong: #cfcfcf;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--black);
  color: #ffffff;
}

a {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
}

.thaw-config-provider.kun-theme {
  background: var(--black) !important;
  color: #ffffff !important;
}

.global-chrome {
  position: sticky;
  top: 0;
  z-index: 20;
}

.global-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px clamp(18px, 3vw, 48px);
  background: rgb(14 14 14 / 96%);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.alert-strip,
.alert-strip-summary {
  display: flex;
  align-items: center;
}

.alert-strip {
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 4px clamp(18px, 3vw, 48px);
  overflow-wrap: anywhere;
  background: var(--orange);
  color: var(--black);
}

.alert-strip-summary {
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.alert-strip-summary svg {
  width: 22px;
  height: 22px;
  flex: none;
}

.kun-theme .thaw-button.alert-open,
.thaw-button.alert-close {
  min-width: 44px;
  min-height: 44px;
  border-color: var(--black);
  background: var(--black);
  color: #ffffff;
  font-weight: 700;
}

.kun-theme .thaw-button.alert-open:hover,
.thaw-button.alert-close:hover {
  background: #242424;
  color: var(--orange);
}

.thaw-overlay-drawer.alert-drawer {
  width: min(100vw, 592px);
  max-width: 100vw;
  background: var(--panel-raised);
  color: #ffffff;
}

.alert-drawer-content {
  min-width: 0;
  padding-bottom: 24px;
  overflow-wrap: anywhere;
}

.alert-tabs {
  margin-bottom: 20px;
}

.alert-view,
.alert-settings-form,
.policy-section,
.dynamic-list {
  min-width: 0;
}

.alert-settings-form,
.dynamic-list {
  display: grid;
  gap: 14px;
}

.demo-settings-notice {
  margin: 0;
  padding: 12px 14px;
  border-left: 3px solid var(--orange);
  background: var(--panel);
  color: var(--muted-strong);
}

.policy-section {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.policy-section h2,
.alert-reset h2 {
  margin: 0 0 12px;
  font-size: 17px;
}

.policy-section p,
.alert-reset p {
  color: var(--muted);
}

.policy-section label {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.policy-section select,
.policy-section input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--black);
  color: #ffffff;
}

.alert-settings-form fieldset {
  display: grid;
  gap: 14px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.policy-row {
  display: grid;
  grid-template-columns: minmax(120px, 1.4fr) minmax(86px, .8fr) minmax(90px, 1fr) minmax(90px, 1fr) 44px;
  gap: 8px;
  align-items: end;
}

.policy-row-wrapper {
  display: grid;
  gap: 6px;
}

.policy-section .policy-offset-field {
  gap: 5px;
  margin-top: 0;
}

.policy-offset-field span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.policy-field-error {
  margin: 0;
  color: var(--orange);
  font-size: 12px;
  line-height: 1.35;
}

.policy-section input[aria-invalid="true"],
.policy-section select[aria-invalid="true"] {
  border-color: var(--orange);
}

.policy-section > .dynamic-list {
  margin-top: 14px;
}

.thaw-button.policy-row-add,
.thaw-button.policy-row-remove,
.thaw-button.policy-save {
  min-height: 44px;
  border-color: var(--orange);
  color: var(--orange);
}

.thaw-button.alert-reset-button,
.thaw-button.alert-reset-confirm,
.thaw-button.alert-reset-cancel {
  min-height: 44px;
  border-color: var(--orange);
  color: var(--orange);
}

.thaw-button.policy-row-remove {
  min-width: 44px;
  padding-inline: 0;
}

.thaw-button.policy-save {
  background: var(--orange);
  color: var(--black);
  font-weight: 800;
}

.thaw-button.alert-reset-confirm {
  background: var(--orange);
  color: var(--black);
  font-weight: 800;
}

.policy-save-row,
.alert-reset-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.alert-feedback {
  min-height: 20px;
  margin: 0;
}

.alert-reset {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.thaw-dialog-surface.alert-reset-dialog {
  width: min(440px, calc(100vw - 24px));
  max-width: calc(100vw - 24px);
}

.kun-theme .thaw-button.language,
.kun-theme .thaw-button.alert-settings-open {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted-strong);
}

.kun-theme .thaw-button.language:hover,
.kun-theme .thaw-button.alert-settings-open:hover {
  background: rgb(255 255 255 / 8%);
  color: var(--orange);
}

.kun-theme .thaw-button.language svg,
.kun-theme .thaw-button.alert-settings-open svg {
  width: 20px;
  height: 20px;
}

.alert-group + .alert-group {
  margin-top: 28px;
}

.alert-group-heading,
.alert-row-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.alert-group-heading {
  align-items: baseline;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.alert-group-heading h2 {
  margin: 0;
  color: #ffffff;
  font-size: 18px;
}

.alert-group[data-status="active"] .alert-group-heading h2,
.alert-row.active .alert-status {
  color: var(--orange);
}

.alert-group[data-status="recovered"] .alert-group-heading h2,
.alert-row.recovered .alert-status {
  color: var(--muted-strong);
}

.alert-row {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.alert-row + .alert-row {
  margin-top: 10px;
}

.alert-row h3 {
  margin: 4px 0;
  font-size: 16px;
}

.alert-row p,
.alert-empty {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.alert-status {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.alert-observation-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 12px;
  flex: none;
  border: 1px solid var(--orange);
  border-radius: 5px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.alert-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 16px 0 0;
}

.alert-facts div {
  min-width: 0;
}

.alert-facts dt {
  color: var(--muted);
  font-size: 11px;
}

.alert-facts dd {
  margin: 3px 0 0;
  color: #ffffff;
  font-size: 13px;
}

.alert-facts .alert-window {
  grid-column: 1 / -1;
}

.alert-error {
  margin: 0;
  padding: 8px clamp(18px, 3vw, 48px);
  background: var(--panel);
  color: var(--orange);
  font-size: 13px;
}

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

.wordmark {
  display: inline-flex;
  align-items: stretch;
  flex: none;
  color: #ffffff;
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
}

.wordmark span,
.wordmark b {
  padding: 7px 9px;
}

.wordmark b {
  background: var(--orange);
  color: var(--black);
  border-radius: 4px;
}

.control-row {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  gap: 12px;
  min-width: 0;
}

.control-row label,
.step-select {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.control-row select,
.step-select select,
.custom-dialog input {
  min-height: 38px;
  padding: 6px 11px;
  border: 1px solid #696969;
  border-radius: 5px;
  background: var(--panel);
  color: #ffffff;
}

.control-row select:hover,
.step-select select:hover,
.custom-dialog input:hover {
  border-color: var(--muted);
}

.batch-control .thaw-input {
  min-height: 38px;
}

.batch-clear,
.batch-toggle {
  display: grid;
  width: 30px;
  height: 30px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted-strong);
  cursor: pointer;
}

.batch-clear:hover,
.batch-toggle:hover {
  background: rgb(255 255 255 / 8%);
  color: var(--orange);
}

.batch-clear svg,
.batch-toggle svg {
  width: 15px;
  height: 15px;
}

.range {
  display: flex;
  align-items: center;
  min-height: 38px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.kun-theme .thaw-button.custom-cancel {
  border: 1px solid var(--orange);
  border-radius: 5px;
  background: transparent;
  color: var(--orange);
}

.kun-theme .thaw-button.custom-apply {
  border: 1px solid var(--orange);
  border-radius: 5px;
  background: var(--orange);
  color: var(--black);
  font-weight: 700;
}

.kun-theme .thaw-button.custom-cancel:hover {
  background: rgb(255 144 0 / 10%);
}

.kun-theme .thaw-button.custom-apply:hover {
  filter: brightness(1.08);
}

.language:focus-visible,
button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.custom-dialog {
  position: fixed;
  top: 86px;
  right: 32px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: min(540px, calc(100vw - 32px));
  padding: 20px;
  background: var(--panel-raised);
  border: 1px solid #696969;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgb(0 0 0 / 52%);
}

.custom-dialog label {
  display: grid;
  flex: 1 1 220px;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
}

.custom-pickers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
}

.custom-pickers > *,
.custom-pickers input {
  min-width: 0;
  width: 100%;
}

.error {
  width: 100%;
  min-height: 18px;
  margin: 0;
  color: var(--orange);
  font-size: 13px;
}

main {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding: 28px clamp(18px, 3vw, 48px) 64px;
}

h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 2.8vw, 46px);
  font-weight: 780;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

h2,
h3 {
  margin: 0;
}

.population-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.population-card,
.measure-card,
.stats-card,
.summary > div,
.detail-chart {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgb(255 255 255 / 2%) inset;
}

.population-card,
.measure-card,
.stats-card {
  min-width: 0;
  padding: 18px;
}

.population-card {
  display: grid;
  grid-template-columns: minmax(170px, 0.8fr) minmax(0, 1.2fr);
  gap: 10px 18px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.population-card:hover,
.measure-card:hover {
  border-color: #444444;
  transform: translateY(-1px);
}

.population-card h2 {
  font-size: 20px;
  font-weight: 720;
}

.population-copy > strong {
  font-size: 30px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.population-card[data-population="predict"] h2,
.population-card[data-population="predict"] .population-copy > strong {
  color: var(--orange);
}

.population-card dl {
  display: flex;
  gap: 26px;
  margin: 0;
}

.population-card dl div,
.stats-card dl div {
  display: grid;
  gap: 4px;
}

.population-card dt,
.stats-card dt {
  color: var(--muted);
  font-size: 12px;
}

.population-card dd,
.stats-card dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.mini-chart {
  min-width: 0;
  height: 150px;
}

.population-copy { display: grid; align-content: center; gap: 10px; }
.population-sparkline { min-width: 0; height: 130px; }
.population-card > .population-copy { grid-column: 1; grid-row: 1; }
.population-card > .chart-shell { min-width: 0; grid-column: 2; grid-row: 1; }
.measure-card > .chart-shell { min-width: 0; grid-column: 1 / -1; }
.population-card > .detail-link { grid-column: 1 / -1; }

.chart-shell {
  position: relative;
  min-width: 0;
}

.chart-actions {
  position: absolute;
  z-index: 4;
  top: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 7px;
  background: rgba(14, 14, 14, 0.78);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
  opacity: 0.42;
  backdrop-filter: blur(8px);
  transition: border-color 140ms ease, opacity 140ms ease;
}

.chart-shell:hover .chart-actions,
.chart-actions:focus-within {
  border-color: rgba(255, 144, 0, 0.35);
  opacity: 1;
}

.chart-action {
  display: inline-grid;
  width: 30px;
  height: 30px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: rgba(255, 255, 255, 0.76);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.chart-action:hover,
.chart-action:focus-visible {
  outline: none;
  background: rgba(255, 144, 0, 0.16);
  color: var(--orange);
}

.chart-action:focus-visible {
  box-shadow: inset 0 0 0 1px var(--orange);
}

.chart-action .thaw-icon {
  width: 17px;
  height: 17px;
}

.chart-export-status {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: max-content;
  max-width: min(240px, calc(100vw - 48px));
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: rgba(14, 14, 14, 0.94);
  color: #ffffff;
  font-size: 12px;
  line-height: 1.35;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.chart-export-status:empty {
  display: none;
}

.detail-link {
  justify-self: end;
  align-self: center;
  padding: 3px 0;
  border-bottom: 1px solid transparent;
  color: var(--orange);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.detail-link::after {
  content: "  →";
}

.detail-link:hover {
  border-bottom-color: var(--orange);
}

.section-title {
  margin: 32px 0 14px;
  font-size: 22px;
}

.measure-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.measure-card {
  grid-column: span 2;
  transition: border-color 160ms ease, transform 160ms ease;
}

.measure-card h3 {
  font-size: 16px;
  font-weight: 700;
}

.step-card {
  grid-column: span 3;
}

.step-card.wide {
  grid-column: 1 / -1;
}

.step-chart {
  height: 260px;
}

.chart-no-data {
  display: grid;
  min-height: 150px;
  margin: 0;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

.step-card .chart-no-data {
  min-height: 260px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.summary > div {
  display: grid;
  gap: 8px;
  padding: 15px;
}

.summary span {
  color: var(--muted);
  font-size: 13px;
}

.summary strong {
  font-size: 23px;
  font-variant-numeric: tabular-nums;
}

main[data-population="predict"] h1,
main[data-population="predict"] .summary strong {
  color: var(--orange);
}

.detail-chart {
  height: 540px;
}

.measure-detail-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  grid-template-areas: "stats chart";
  gap: 16px;
}

.alert-evidence {
  margin: 0 0 20px;
  padding: 16px 18px;
  border: 1px solid var(--orange);
  border-radius: 10px;
  background: color-mix(in srgb, var(--orange) 8%, var(--panel));
}

.alert-evidence-heading {
  margin: 0 0 14px;
  font-size: 18px;
}

.alert-evidence-context {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 0;
}

.alert-evidence-context div {
  min-width: 0;
}

.alert-evidence dt {
  color: var(--muted);
  font-size: 12px;
}

.alert-evidence dd {
  margin: 3px 0 0;
  font-weight: 700;
}

.alert-evidence-unavailable {
  margin: 0 0 20px;
  padding: 12px 16px;
  border-left: 3px solid var(--orange);
  background: var(--panel);
}

.measure-detail-layout > .chart-shell {
  grid-area: chart;
}

.stats {
  grid-area: stats;
  display: grid;
  gap: 16px;
}

.stats-card h2 {
  font-size: 21px;
}

.stats-card dl {
  display: grid;
  gap: 14px;
}

.stats-card dl div {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 12px;
}

.stats-card dt {
  overflow-wrap: anywhere;
}

.stats-card[data-population="predict"] h2,
.stats-card[data-population="predict"] dd {
  color: var(--orange);
}

.note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.step-select {
  width: 180px;
  margin: 0 0 16px;
}

.loading {
  color: var(--muted);
}

@media (max-width: 980px) {
  .global-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .control-row {
    width: 100%;
    justify-content: flex-start;
  }

  .measure-detail-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .global-chrome {
    display: contents;
  }

  .global-header {
    position: static;
    gap: 14px;
    padding: 14px 16px;
  }

  .alert-strip {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 4px 16px;
  }

  .control-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .control-row label select {
    width: 100%;
  }

  .range {
    grid-column: 1 / -1;
  }

  .language {
    position: absolute;
    top: 16px;
    right: 68px;
  }

  .alert-settings-open {
    position: absolute;
    top: 16px;
    right: 16px;
  }

  main {
    padding: 24px 16px 48px;
  }

  .population-grid,
  .measure-grid {
    grid-template-columns: 1fr;
  }

  .measure-card,
  .step-card,
  .step-card.wide {
    grid-column: 1;
  }

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

  .measure-detail-layout {
    display: flex;
    flex-direction: column;
  }

  .alert-evidence-context {
    grid-template-columns: 1fr 1fr;
  }

  .measure-detail-layout > .chart-shell {
    order: -1;
  }

  .measure-detail-layout .histogram {
    height: 390px;
  }

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

  .stats:has(.stats-card:only-child) {
    grid-template-columns: 1fr;
  }

  .detail-chart {
    height: 430px;
  }

  .custom-dialog {
    top: 82px;
    right: 16px;
  }

  .alert-row-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .alert-observation-link {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .population-card { grid-template-columns: 1fr; }
  .population-card > .population-copy,
  .population-card > .chart-shell { grid-column: 1; grid-row: auto; }
  .population-card dl {
    gap: 14px;
  }

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

  .alert-evidence-context {
    grid-template-columns: 1fr 1fr;
  }

  .summary strong {
    font-size: 20px;
  }

  .custom-dialog {
    flex-direction: column;
  }

  .custom-pickers {
    grid-template-columns: 1fr;
  }

  .alert-strip {
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
    padding-block: 8px;
  }

  .kun-theme .thaw-button.alert-open {
    width: 100%;
  }

  .alert-facts {
    grid-template-columns: 1fr;
  }

  .alert-facts .alert-window {
    grid-column: 1;
  }

  .policy-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .policy-row > input,
  .policy-row > .policy-offset-field {
    grid-column: span 1;
  }

  .policy-row-remove {
    grid-column: 2;
    justify-self: end;
  }

  .chart-actions {
    top: 6px;
    right: 6px;
    opacity: 0.88;
  }

  .chart-action {
    width: 44px;
    height: 44px;
  }
}

@media (hover: none) {
  .chart-actions {
    opacity: 0.88;
  }
}