:root {
  --paper: #efefec;
  --panel: #ffffff;
  --panel-soft: #f7f7f7;
  --ink: #111111;
  --muted: #666666;
  --line: #111111;
  --line-soft: #d6d6d6;
  --line-faint: #e7e7e7;
  --shadow: none;
  --panel-radius: 0px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 87.5%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Pretendard Variable", "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: var(--paper);
  line-height: 1.55;
  overflow-x: hidden;
}

.page-shell {
  width: min(1480px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 14px 0 30px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(260px, 0.7fr);
  gap: 26px;
  align-items: center;
  padding: 28px 30px 26px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-kicker,
.hero-note-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.app-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.app-switch-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  min-width: 98px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.app-switch-button {
  appearance: none;
  cursor: pointer;
  font-family: inherit;
}

.app-switch-link,
.app-switch-link:visited,
.app-switch-link:hover,
.app-switch-link:focus-visible {
  text-decoration: none;
}

.app-switch-link.is-active,
.app-switch-link.is-active:visited {
  background: var(--ink);
  color: #ffffff;
}

.hero h1,
.section-heading h2,
.month-panel h3,
.region-card h3 {
  margin: 0;
  font-family: "Pretendard Variable", "Pretendard", "Apple SD Gothic Neo", sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 12.5ch;
  font-size: clamp(2.45rem, 4.2vw, 4.25rem);
  line-height: 0.95;
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: balance;
}

.hero-text {
  max-width: 62ch;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.hero-note {
  align-self: stretch;
  justify-self: end;
  display: grid;
  align-content: center;
  gap: 6px;
  width: min(100%, 300px);
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: var(--panel-soft);
}

.hero-note strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.95rem;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-note span {
  color: var(--muted);
  line-height: 1.6;
}

.layout {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

.panel {
  padding: 24px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-heading.compact {
  margin-bottom: 14px;
}

.section-heading > div:first-child {
  min-width: 0;
}

.section-heading h2 {
  font-size: clamp(1.4rem, 1.7vw, 1.9rem);
  line-height: 1.16;
}

.selection-summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--ink);
  color: #ffffff;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.selection-summary.is-muted {
  background: #ffffff;
  color: var(--ink);
}

.control-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.search-field {
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
}

.search-field input {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

.search-field input:focus {
  outline: 2px solid rgba(0, 0, 0, 0.08);
  outline-offset: 1px;
}

.action-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.action-row {
  justify-content: flex-end;
  align-items: stretch;
}

.filter-stack {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.explore-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.filter-group {
  display: grid;
  gap: 8px;
}

.filter-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.ghost-button,
.chip-button {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, opacity 160ms ease;
}

.ghost-button:hover,
.chip-button:hover,
.region-option:hover {
  background: #f1f1f1;
}

.chip-button.is-active {
  background: var(--ink);
  color: #ffffff;
}

.chip-button.is-disabled,
.ghost-button:disabled {
  opacity: 0.4;
  cursor: default;
}

.world-stage,
.region-picker,
.api-stage {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: #ffffff;
}

.map-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.nested-heading {
  margin-bottom: 0;
}

.region-picker-details {
  display: grid;
  gap: 18px;
}

.region-picker-summary {
  list-style: none;
  cursor: pointer;
}

.region-picker-summary::-webkit-details-marker {
  display: none;
}

.collapse-hint {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.region-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.region-picker .region-list {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-height: 560px;
  overflow: auto;
  padding-right: 10px;
}

.region-option {
  display: grid;
  gap: 12px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: #ffffff;
  cursor: pointer;
}

.region-option.is-selected {
  background: #f1f1f1;
}

.region-option-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.region-option input {
  width: 18px;
  height: 18px;
  accent-color: #111111;
}

.region-option-title {
  display: grid;
  gap: 8px;
}

.region-option-title strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.region-option-title span,
.region-option-meta,
.region-option-coordinates {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.selected-grid {
  display: grid;
  gap: 16px;
}

.region-card {
  display: grid;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: #ffffff;
  animation: fadeUp 280ms ease both;
}

.region-card-top {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 16px;
  align-items: start;
}

.region-card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.region-card h3 {
  font-size: 1.45rem;
}

.region-card-body {
  display: grid;
  gap: 14px;
  min-width: 0;
  align-content: start;
}

.region-card-chart {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 12px;
  min-width: 0;
  align-self: stretch;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: var(--panel-soft);
}

.region-card-table {
  width: 100%;
}

.world-region-card {
  gap: 14px;
}

.world-region-card .region-card-top {
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.9fr);
}

.world-region-card .region-card-body {
  gap: 14px;
}

.world-region-card .region-meta,
.world-region-card .stat-grid {
  gap: 8px;
}

.world-region-card .meta-pill,
.world-region-card .stat-pill {
  min-height: 30px;
  padding: 6px 9px;
}

.world-region-card .region-card-chart {
  width: 100%;
  max-width: none;
  padding: 10px 12px 12px;
  justify-self: stretch;
}

.world-region-chart-frame {
  width: 100%;
}

.region-meta,
.stat-grid,
.api-result-pills,
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-pill,
.stat-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 7px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 0;
  background: #ffffff;
  color: var(--ink);
  font-size: 0.84rem;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: #ffffff;
}

table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.table-wrap.is-transposed table {
  min-width: 960px;
}

thead th,
tfoot td {
  background: #f2f2f2;
  font-weight: 700;
}

th,
td {
  padding: 9px 11px;
  border-bottom: 1px solid var(--line-faint);
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

tbody tr:last-child td,
tfoot td {
  border-bottom: none;
}

.transpose-table th,
.transpose-table td {
  min-width: 70px;
  text-align: center;
}

.transpose-table thead th:first-child,
.transpose-table tbody th[scope="row"] {
  text-align: left;
}

.transpose-table tbody th[scope="row"] {
  padding: 9px 11px;
  border-bottom: 1px solid var(--line-faint);
  background: #fafafa;
  font-weight: 700;
  white-space: nowrap;
}

.transpose-table tbody tr:last-child th[scope="row"] {
  border-bottom: none;
}

.comparison-panel {
  background: #ffffff;
}

.world-map-frame {
  position: relative;
  aspect-ratio: 1000 / 520;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #d9d9d9;
}

.world-map-frame.is-natural {
  aspect-ratio: 1000 / 520;
}

.world-map-frame.is-korea {
  width: min(100%, 600px);
  margin: 0 auto;
  aspect-ratio: 760 / 1120;
  min-height: auto;
}

.world-map-svg,
.world-map-leaders,
.world-map-markers {
  position: absolute;
  inset: 0;
}

.world-map-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.world-map-leaders {
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.map-sphere {
  fill: none;
}

.map-graticule {
  fill: none;
  stroke: rgba(17, 17, 17, 0.16);
  stroke-width: 0.8;
  stroke-dasharray: 4 6;
}

.map-equator {
  fill: none;
  stroke: rgba(17, 17, 17, 0.5);
  stroke-width: 1.1;
}

.map-equator-label {
  fill: rgba(17, 17, 17, 0.72);
  font-size: 13px;
  font-weight: 700;
}

.map-landmass {
  fill: rgba(255, 255, 255, 0.95);
  stroke: rgba(17, 17, 17, 0.58);
  stroke-width: 0.85;
}

.map-country-borders {
  fill: none;
  stroke: rgba(17, 17, 17, 0.34);
  stroke-width: 0.65;
}

.map-frame-stroke {
  fill: none;
  stroke: rgba(17, 17, 17, 0.76);
  stroke-width: 2;
}

.world-map-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  pointer-events: none;
}

.map-overlay-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(17, 17, 17, 0.92);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
}

.map-marker {
  position: absolute;
  z-index: 1;
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1.5px solid #ffffff;
  border-radius: 999px;
  background: var(--marker-color);
  cursor: pointer;
  transform: translate(
    calc(-50% + var(--marker-dx, 0px) + var(--marker-auto-dx, 0px)),
    calc(-50% + var(--marker-dy, 0px) + var(--marker-auto-dy, 0px))
  );
  box-shadow: 0 0 0 1px rgba(17, 17, 17, 0.2);
  transition: width 140ms ease, height 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.map-marker::after {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(17, 17, 17, 0.94);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
  transition: opacity 140ms ease;
}

.map-marker:hover,
.map-marker:focus-visible,
.map-marker.is-selected {
  z-index: 2;
  border-color: #111111;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.08);
}

.map-marker.is-selected {
  width: 13px;
  height: 13px;
}

.map-marker:hover::after,
.map-marker:focus-visible::after {
  opacity: 1;
}

.map-leader-line {
  fill: none;
  stroke: rgba(17, 17, 17, 0.26);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.map-note,
.api-result-meta,
.comparison-intro,
.formula-note,
.chart-caption {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.api-control-bar {
  align-items: end;
}

.api-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.api-result-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: #ffffff;
}

.api-result-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.api-result-card h3 {
  margin: 0;
  font-size: 1.14rem;
}

.comparison-intro {
  margin-top: -4px;
  margin-bottom: 14px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.month-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: #ffffff;
  animation: fadeUp 280ms ease both;
}

.month-panel h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.legend-item {
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 0;
  background: #ffffff;
  font-size: 0.88rem;
}

.world-month-panel {
  padding: 18px;
}

.world-month-panel .stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.world-month-panel .stats-row .stat-pill {
  justify-content: center;
  min-height: 40px;
  padding: 8px 10px;
  text-align: center;
}

.world-month-panel .table-wrap {
  margin-top: 12px;
}

.world-month-panel .legend-grid {
  grid-template-columns: repeat(var(--legend-columns, 4), minmax(0, 1fr));
  margin-top: 12px;
}

.world-month-panel .legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
}

.world-month-panel .legend-item strong {
  flex: 0 0 auto;
}

.world-month-panel .charts-grid {
  gap: 10px;
  margin-top: 12px;
}

.world-month-panel .chart-card {
  gap: 8px;
  padding: 10px;
}

.world-month-panel .formula-note {
  display: grid;
  gap: 4px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-faint);
}

.world-trend-card {
  gap: 8px;
  padding: 12px;
}

.world-trend-card .formula-note,
.world-region-card .chart-caption {
  font-size: 0.82rem;
  line-height: 1.58;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.comparison-pair-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.chart-card {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: var(--panel-soft);
  overflow: hidden;
}

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

.chart-card h4 {
  margin: 0;
  font-size: 0.92rem;
}

.comparison-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 16px;
  align-items: end;
  margin-bottom: 14px;
}

.comparison-controls p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.comparison-select {
  display: grid;
  gap: 6px;
  justify-self: end;
  min-width: min(100%, 240px);
  font-size: 0.86rem;
  font-weight: 700;
}

.comparison-select select {
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

.series-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.series-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.series-swatch-line {
  width: 30px;
  height: 12px;
  display: block;
}

.series-swatch {
  flex: 0 0 auto;
  display: inline-block;
}

.series-swatch.dot-filled {
  width: 10px;
  height: 10px;
  border: 1px solid #111111;
  border-radius: 999px;
  background: #111111;
}

.series-swatch.dot-hollow {
  width: 10px;
  height: 10px;
  border: 1px solid #111111;
  border-radius: 999px;
  background: #ffffff;
}

.series-swatch.bar-light {
  width: 12px;
  height: 12px;
  border: 1px solid #111111;
  background: #ffffff;
}

.series-swatch.bar-dark {
  width: 12px;
  height: 12px;
  border: 1px solid #111111;
  background: #a9a9a9;
}

.empty-state {
  padding: 32px;
  border: 1px dashed #9a9a9a;
  border-radius: var(--panel-radius);
  background: #ffffff;
  color: var(--muted);
  text-align: center;
}

.world-stage #worldMap .empty-state {
  min-height: 460px;
  display: grid;
  align-content: center;
}

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

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

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .hero,
  .comparison-grid,
  .charts-grid,
  .comparison-pair-grid {
    grid-template-columns: 1fr;
  }

  .region-card-top,
  .world-region-card .region-card-top {
    grid-template-columns: 1fr;
  }

  .world-region-card .region-card-chart {
    max-width: none;
    justify-self: stretch;
  }

  .world-month-panel .stats-row,
  .world-month-panel .legend-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    gap: 24px;
  }

  .hero-note {
    justify-self: stretch;
    width: 100%;
    max-width: 420px;
  }

  .section-heading,
  .region-card-header,
  .api-result-card-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 920px) {
  html {
    font-size: 90%;
  }

  .page-shell {
    width: min(100vw - 18px, 1480px);
    padding-bottom: 22px;
  }

  .hero,
  .panel {
    padding: 18px;
  }

  .comparison-controls {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .comparison-select {
    justify-self: stretch;
  }

  .comparison-select select {
    width: 100%;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 92%;
  }

  .page-shell {
    width: min(100vw - 12px, 1280px);
    padding-bottom: 18px;
  }

  .hero,
  .panel {
    padding: 14px;
  }

  .control-bar,
  .api-control-bar {
    grid-template-columns: 1fr;
  }

  .action-row {
    justify-content: flex-start;
  }

  .action-row > * {
    flex: 1 1 200px;
  }

  .hero {
    gap: 20px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.3rem, 13vw, 3.7rem);
    line-height: 1;
  }

  .hero-text {
    margin-top: 18px;
    line-height: 1.7;
  }

  .hero-note {
    width: 100%;
    padding: 18px 16px;
  }

  .hero-note strong {
    font-size: 1.8rem;
  }

  .section-heading {
    gap: 14px;
    margin-bottom: 22px;
  }

  .selection-summary,
  .collapse-hint {
    min-height: 38px;
    white-space: normal;
  }

  .app-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .app-switch-link {
    min-width: 0;
    width: 100%;
  }

  .world-stage,
  .region-picker,
  .api-stage,
  .region-card,
  .month-panel,
  .chart-card {
    padding: 14px;
  }

  .region-picker .region-list,
  .region-list,
  .api-results {
    grid-template-columns: 1fr;
  }

  .region-picker .region-list {
    max-height: 420px;
    padding-right: 0;
  }

  .world-map-overlay {
    position: static;
    padding: 10px;
  }

  .world-map-frame {
    min-height: 0;
    aspect-ratio: 1000 / 520;
  }

  .world-map-frame.is-korea {
    width: 100%;
    aspect-ratio: 19 / 28;
  }

  .map-marker::after {
    display: none;
  }

  .region-card h3,
  .section-heading h2,
  .month-panel h3 {
    line-height: 1.2;
  }

  .meta-pill,
  .stat-pill,
  .map-overlay-pill {
    font-size: 0.82rem;
  }

  .world-month-panel .stats-row,
  .world-month-panel .legend-grid {
    grid-template-columns: 1fr;
  }

  table {
    min-width: 520px;
  }
}

@media (max-width: 560px) {
  html {
    font-size: 94%;
  }

  .page-shell {
    width: calc(100vw - 10px);
    padding: 8px 0 14px;
  }

  .hero,
  .panel,
  .world-stage,
  .region-picker,
  .api-stage,
  .region-card,
  .month-panel,
  .chart-card {
    padding: 12px;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 14vw, 3.15rem);
    line-height: 1;
  }

  .hero-text {
    font-size: 0.96rem;
    line-height: 1.68;
  }

  .selection-summary,
  .collapse-hint {
    width: 100%;
    justify-content: flex-start;
  }

  .app-switch {
    gap: 8px;
  }

  .action-row > * {
    flex-basis: 100%;
  }

  .world-map-frame {
    min-height: 0;
  }

  .world-stage #worldMap .empty-state {
    min-height: 320px;
  }

  .meta-pill,
  .stat-pill {
    width: 100%;
  }

  .world-region-card .region-card-chart,
  .world-trend-card {
    padding: 10px;
  }

  table {
    min-width: 460px;
  }
}