/* Country Comparison — site-native, theme-aware presentation */
:root {
  --countries-radius: 14px;
  --countries-radius-sm: 9px;
  --countries-transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

button, input { font: inherit; }

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent-border);
  outline-offset: 2px;
}

.bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card-opaque);
}

.bar .home {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.bar .home:hover { color: var(--accent-text); }

.bar h1 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  line-height: 1.25;
}

.bar .spacer { flex: 1; }

.app {
  width: min(1400px, 100%);
  margin: 0 auto;
  padding: 24px 18px 44px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--countries-radius);
  background: var(--card);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--bg) 65%, transparent);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--card2);
}

.card-header h2 {
  margin: 0;
  color: var(--accent-text);
  font-size: 16px;
  line-height: 1.3;
}

.card-header .icon { font-size: 18px; }
.card-body { padding: 18px; }
.table-card-body { padding: 0; }

.country-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  opacity: .65;
}

#country-input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border: 2px solid var(--border);
  border-radius: var(--countries-radius-sm);
  outline: none;
  background: var(--card2);
  color: var(--text);
  transition: border-color var(--countries-transition), box-shadow var(--countries-transition);
}

#country-input::placeholder { color: var(--muted); }

#country-input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 24%, transparent);
}

#country-input.input-error { border-color: var(--text); }

#add-country-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  border: 1px solid var(--accent);
  border-radius: var(--countries-radius-sm);
  background: var(--accent);
  color: var(--accent-foreground);
  font-weight: 800;
  line-height: 1.25;
  cursor: pointer;
  transition: filter var(--countries-transition), transform var(--countries-transition);
}

#add-country-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
#add-country-btn:active { transform: translateY(0); }

.bulk-actions-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.bulk-label {
  color: var(--text2);
  font-size: 14px;
  font-weight: 800;
}

#continent-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.continent-btn,
.bulk-btn,
.sort-btn {
  border: 1px solid var(--border);
  background: var(--card2);
  color: var(--text2);
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--countries-transition), color var(--countries-transition), background var(--countries-transition);
}

.continent-btn {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
}

.continent-btn:hover,
.bulk-btn:hover,
.sort-btn:hover:not(.active) {
  border-color: var(--accent-border);
  color: var(--accent-text);
}

.continent-btn.active,
.sort-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-foreground);
}

.bulk-divider {
  width: 1px;
  align-self: stretch;
  margin: 0 2px;
  background: var(--border);
}

.bulk-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--countries-radius-sm);
  font-size: 13px;
  white-space: nowrap;
}

#country-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 36px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px 5px 11px;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, var(--card2));
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  animation: chip-in 200ms ease;
}

@keyframes chip-in {
  from { opacity: 0; transform: scale(.88); }
  to { opacity: 1; transform: scale(1); }
}

.chip-flag { font-size: 17px; }

.chip-remove {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text2);
  cursor: pointer;
}

.chip-remove:hover { background: var(--card-hover); color: var(--text); }

.metrics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.metric-toggle { cursor: pointer; user-select: none; }
.metric-toggle input { position: absolute; opacity: 0; pointer-events: none; }

.metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 13px;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--card2);
  color: var(--text2);
  font-size: 14px;
  font-weight: 700;
  transition: border-color var(--countries-transition), color var(--countries-transition), background var(--countries-transition);
}

.metric-toggle:hover .metric-pill { border-color: var(--accent-border); color: var(--accent-text); }

.metric-toggle input:focus-visible + .metric-pill {
  outline: 3px solid var(--accent-border);
  outline-offset: 2px;
}

.metric-toggle input:checked + .metric-pill {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-foreground);
}

.computed-badge { font-size: 12px; opacity: .85; }

.table-wrap {
  width: 100%;
  max-width: 100%;
  max-height: 68vh;
  overflow: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

#comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

#comparison-table th,
#comparison-table td {
  padding: 10px 15px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

#comparison-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--accent);
  color: var(--accent-foreground);
  font-weight: 800;
}

#comparison-table th:first-child,
#comparison-table td:first-child {
  position: sticky;
  left: 0;
}

#comparison-table th:first-child { z-index: 4; }

#comparison-table td:first-child {
  z-index: 1;
  background: var(--card-opaque);
}

#comparison-table tbody tr:nth-child(even) td { background: var(--card2-opaque); }
#comparison-table tbody tr:hover td { background: var(--card-hover); }
#comparison-table tbody tr:last-child td { border-bottom: 0; }

.metric-cell { color: var(--text2); font-weight: 800; }

.table-flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.table-flag .flag { font-size: 20px; }

.null-value,
.bar-null {
  color: var(--muted);
  font-style: italic;
  font-weight: 600;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 18px;
}

.chart-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--countries-radius);
  background: var(--card);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--card2);
}

.chart-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.chart-title { color: var(--text); font-size: 15px; font-weight: 800; }

.chart-unit {
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel2);
  color: var(--text2);
  font-size: 12px;
}

.sort-controls { display: flex; gap: 5px; }

.sort-btn {
  padding: 4px 8px;
  border-radius: 7px;
  font-size: 12px;
}

.chart-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(110px, 160px) minmax(80px, 1fr) 92px;
  align-items: center;
  gap: 10px;
}

.bar-label {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.bar-label span:last-child { overflow: hidden; text-overflow: ellipsis; }
.bar-label .flag { flex: none; font-size: 17px; }

.bar-track {
  height: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--card2-opaque);
}

.bar-fill {
  min-width: 2px;
  height: 100%;
  border-radius: 4px;
  transition: width 500ms cubic-bezier(.4, 0, .2, 1);
}

.bar-value {
  color: var(--text2);
  font-size: 13px;
  font-weight: 800;
  text-align: right;
  white-space: nowrap;
}

.bar-null { grid-column: 2 / 4; font-size: 13px; }

.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 46px 16px;
  color: var(--muted);
  text-align: center;
}

.placeholder .ph-icon { font-size: 42px; opacity: .5; }
.placeholder p { max-width: 380px; margin: 0; }

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 64px 20px;
  color: var(--muted);
}

.loading p { margin: 0; }

.spinner {
  width: 46px;
  height: 46px;
  border: 5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.banner {
  width: min(900px, calc(100% - 36px));
  margin: 24px auto;
  padding: 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--accent-border);
  border-radius: var(--countries-radius);
  background: var(--card2-opaque);
  color: var(--text);
}

.banner-icon { flex: none; font-size: 24px; }
.banner-content h2 { margin: 0 0 4px; font-size: 16px; }
.banner-content p { margin: 0; color: var(--text2); }
.hidden { display: none !important; }

@media (max-width: 768px) {
  .app { padding: 16px 12px 36px; gap: 16px; }
  .card-body { padding: 14px; }
  .table-card-body { padding: 0; }
  .charts-grid { grid-template-columns: 1fr; }
  .bar-row { grid-template-columns: minmax(80px, 110px) minmax(60px, 1fr) 72px; gap: 7px; }
  .bar-label { font-size: 13px; }
  .bar-value { font-size: 12px; }
}

@media (max-width: 520px) {
  .bar { flex-wrap: wrap; gap: 10px; padding: 12px; }
  .bar h1 { flex: 1; min-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .bar .spacer { display: none; }
  #langSw { margin-left: auto; }
  .country-search-row { align-items: stretch; flex-direction: column; }
  #add-country-btn { width: 100%; }
  .bulk-divider { display: none; }
  .chart-header { align-items: flex-start; flex-direction: column; }
  .bar-row { grid-template-columns: 82px minmax(50px, 1fr) 62px; gap: 5px; }
  #comparison-table th, #comparison-table td { padding: 8px 10px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bar-fill { transition: none; }
  .chip { animation: none; }
  .spinner { animation-duration: 1600ms; }
  #add-country-btn { transition: none; }
}