/* Population Browser panels, using the shared My Kits palette and navigation. */
.samples-page [hidden] { display: none !important; }
.samples-page #dots-menu .btn-sm + .btn-sm { margin-top: 8px; }
.samples-page .browser-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  align-items: stretch;
  gap: 22px;
  width: min(1220px, calc(100% - 64px));
  margin: 32px auto 48px;
}
.samples-page .browser-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: clamp(540px, calc(100vh - 156px), 700px);
  padding: 0;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--bg3);
  overflow: hidden;
}
.samples-page .browser-list-panel { overflow: visible; }
.samples-page .browser-detail-panel { scroll-margin-top: 74px; }
.samples-page .browser-head { position: relative; flex-shrink: 0; padding: 20px 24px 0; }
.samples-page .browser-list-panel .browser-head { z-index: 2; }
.samples-page .browser-head .panel-heading { min-width: 0; }
.samples-page .browser-page .kits-title { min-width: 0; overflow-wrap: anywhere; }
.samples-page .count-badge { margin-left: auto; color: var(--text-dim); font-size: 11px; font-weight: 500; font-variant-numeric: tabular-nums; white-space: nowrap; flex-shrink: 0; }
.samples-page .browser-head .kits-tabs { gap: 18px; max-width: none; margin: 0 -24px; padding: 0 24px; border-bottom: 1px solid var(--card-border); }
.samples-page .browser-head .kits-tab { flex: 0 1 auto; min-width: 0; margin-right: 0; padding: 7px 0 12px; font-size: 11.5px; letter-spacing: .025em; white-space: nowrap; }
.samples-page .browser-filters { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; padding: 18px 0 20px; }
.samples-page .browser-panel > .browser-filters { padding-right: 24px; padding-left: 24px; }
.samples-page .browser-filters > * { min-width: 0; }
.samples-page .field-label { display: block; margin-bottom: 7px; color: var(--text-muted); font-size: 11px; font-weight: 600; line-height: 1.4; }
.samples-page .search-wrap { position: relative; min-width: 0; }
.samples-page .search-wrap > svg { position: absolute; top: 50%; left: 12px; width: 16px; height: 16px; color: var(--text-dim); pointer-events: none; transform: translateY(-50%); }
.samples-page .search-box,
.samples-page .browser-filters select,
.samples-page .csel-trigger {
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 8px 12px;
  border: 1px solid color-mix(in srgb, var(--text-muted) 20%, var(--bg3));
  border-radius: 8px;
  color: var(--text);
  background: var(--bg3);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  transition: border-color .15s, background .15s;
}
.samples-page .search-box { display: block; padding-right: 40px; padding-left: 36px; }
.samples-page .search-box::placeholder { color: var(--text-dim); opacity: 1; }
.samples-page .search-box::-webkit-search-cancel-button { -webkit-appearance: none; }
.samples-page .search-box:focus,
.samples-page .csel-trigger.open,
.samples-page .csel-trigger[aria-expanded="true"] { border-color: var(--accent); }
.samples-page .search-box:focus-visible,
.samples-page .csel-trigger:focus-visible { outline-offset: -2px; }
.samples-page #clear-search { position: absolute; top: 50%; right: 3px; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--text-muted); font-size: 19px; line-height: 1; transform: translateY(-50%); }
.samples-page #clear-search:hover { background: var(--surface-inset); color: var(--text); }
.samples-page #clear-search svg { width: 14px; height: 14px; }
.samples-page .csel-wrap { position: relative; width: 100%; min-width: 0; }
.samples-page .csel-trigger { display: flex; align-items: center; justify-content: space-between; gap: 10px; text-align: left; cursor: pointer; }
.samples-page .csel-trigger:hover { border-color: var(--accent); }
.samples-page .csel-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.samples-page .csel-chevron { width: 10px; height: 6px; flex-shrink: 0; color: var(--text-muted); transition: transform .15s; }
.samples-page .csel-trigger.open .csel-chevron,
.samples-page .csel-trigger[aria-expanded="true"] .csel-chevron { transform: rotate(180deg); }
.samples-page .csel-panel { display: none; position: absolute; top: calc(100% + 6px); left: 0; width: 100%; min-width: 0; z-index: 100; padding: 5px; border: 1px solid var(--card-border); border-radius: 9px; background: var(--bg3); box-shadow: 0 6px 18px #00000018; }
.samples-page .csel-panel.open { display: block; }
.samples-page .csel-list { max-height: min(280px, 45vh); overflow: auto; scrollbar-width: thin; scrollbar-color: var(--card-border) transparent; }
.samples-page .csel-item { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 34px; padding: 8px; border: 0; border-radius: 5px; color: var(--text-soft); background: transparent; font: inherit; font-size: 12px; text-align: left; overflow-wrap: anywhere; cursor: pointer; }
.samples-page .csel-item:hover { background: var(--surface-inset); color: var(--text); }
.samples-page .csel-item.selected,
.samples-page .csel-item[aria-selected="true"] { color: var(--accent-text); font-weight: 600; }
.samples-page .csel-check { width: 12px; flex-shrink: 0; opacity: 0; color: var(--accent-text); }
.samples-page .csel-item.selected .csel-check,
.samples-page .csel-item[aria-selected="true"] .csel-check { opacity: 1; }
.samples-page .csel-item:focus-visible { outline-offset: -2px; }

/* Country headings stay visible while the population list scrolls. */
.samples-page .list-wrap { flex: 1 1 auto; min-height: 0; border-top: 1px solid var(--card-border); border-radius: 0 0 11px 11px; overflow: auto; scrollbar-width: thin; scrollbar-color: var(--card-border) transparent; }
.samples-page .letter-group { min-width: 0; }
.samples-page .letter-head { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 10px; min-width: 0; padding: 10px 24px; border-bottom: 1px solid var(--card-border); background: var(--surface-inset); color: var(--text-muted); font-family: 'Outfit', 'Montserrat', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: .035em; }
.samples-page .letter-head > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.samples-page .group-count { margin-left: auto; font-family: 'Montserrat', sans-serif; font-size: 10px; font-weight: 500; font-variant-numeric: tabular-nums; flex-shrink: 0; }
.samples-page .pop-row { position: relative; display: flex; align-items: center; gap: 12px; width: 100%; min-width: 0; min-height: 44px; padding: 11px 24px; border: 0; border-bottom: 1px solid var(--card-border); border-radius: 0; background: transparent; color: var(--text); text-align: left; cursor: pointer; transition: background .15s, color .15s; }
.samples-page .pop-row::before { content: ''; position: absolute; top: 9px; bottom: 9px; left: 0; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); opacity: 0; }
.samples-page .pop-row:hover { background: var(--surface-inset); }
.samples-page .pop-row.selected { background: var(--surface-inset); font-weight: 600; }
.samples-page .pop-row.selected::before { opacity: 1; }
.samples-page .pop-row:focus-visible { outline-offset: -3px; }
.samples-page .row-name { flex: 1; min-width: 0; color: inherit; font-size: 13px; line-height: 1.5; overflow-wrap: anywhere; }
.samples-page .row-arrow { width: 16px; flex-shrink: 0; color: var(--text-dim); text-align: right; font-size: 16px; line-height: 1; }
.samples-page .row-arrow svg { display: block; width: 14px; height: 14px; }
.samples-page .pop-row:hover .row-arrow,
.samples-page .pop-row.selected .row-arrow { color: var(--accent-text); }

/* The detail panel reuses the result colors supplied with each population. */
.samples-page .browser-detail-panel .panel-heading { align-items: flex-start; }
.samples-page #modal-title { flex: 1; margin: 6px 0 0; }
.samples-page #detail-clear { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 30px; height: 30px; padding: 0; border: 1px solid var(--card-border); border-radius: 8px; background: transparent; color: var(--text-muted); font-size: 18px; line-height: 1; }
.samples-page #detail-clear:hover { background: var(--surface-inset); color: var(--text); }
.samples-page #detail-clear svg { width: 14px; height: 14px; }
.samples-page .detail-sub { margin: -3px 0 16px; padding-left: 14px; color: var(--text-muted); font-size: 11px; line-height: 1.6; overflow-wrap: anywhere; }
.samples-page .detail-sub:empty { display: none; }
.samples-page .detail-body { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; min-width: 0; padding: 22px 24px 24px; overflow: auto; scrollbar-width: thin; scrollbar-color: var(--card-border) transparent; }
.samples-page .detail-view { min-width: 0; width: 100%; }
.samples-page #detail-empty { display: flex; flex: 1; align-items: center; justify-content: center; min-height: 200px; padding: 24px; color: var(--text-muted); font-size: 13px; line-height: 1.7; text-align: center; }
.samples-page .phg-section-title { margin: 22px 0 14px; padding-top: 18px; border-top: 1px solid var(--card-border); color: var(--text-muted); font-family: 'Outfit', 'Montserrat', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .025em; }
.samples-page .phg-section-title:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.samples-page .phg-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.samples-page .phg-top { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; min-width: 0; }
.samples-page .phg-name { min-width: 0; color: var(--text); font-size: 13px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; }
.samples-page .phg-pct { flex-shrink: 0; color: var(--accent-text); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.samples-page .phg-bar-wrap { height: 6px; border-radius: 999px; background: var(--surface-inset); overflow: hidden; }
.samples-page .phg-bar-fill { width: 0; height: 100%; border-radius: inherit; box-shadow: none !important; transition: width .4s ease; }
.samples-page .phg-dist-row { display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; align-items: baseline; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--card-border); font-size: 12px; }
.samples-page .phg-dist-rank { color: var(--text-dim); font-size: 11px; font-variant-numeric: tabular-nums; }
.samples-page .phg-dist-name { min-width: 0; color: var(--text); line-height: 1.5; overflow-wrap: anywhere; }
.samples-page .phg-dist-val { color: var(--accent-text); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.samples-page .period-tabs-modal { display: flex; align-items: flex-end; gap: 16px; max-width: 100%; margin-bottom: 16px; border-bottom: 1px solid var(--card-border); overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--card-border) transparent; }
.samples-page .period-tab-modal { position: relative; flex: 0 0 auto; min-height: 36px; padding: 7px 0 10px; border: 0; border-radius: 0; background: transparent; color: var(--text-muted); font-family: 'Outfit', 'Montserrat', sans-serif; font-size: 12px; font-weight: 600; white-space: nowrap; }
.samples-page .period-tab-modal::after { content: ''; position: absolute; right: 0; bottom: 0; left: 0; height: 3px; border-radius: 999px; background: var(--accent); opacity: 0; }
.samples-page .period-tab-modal:hover,
.samples-page .period-tab-modal.active { color: var(--text); }
.samples-page .period-tab-modal.active::after { opacity: 1; }
.samples-page .period-tab-modal:focus-visible { outline-offset: -3px; }
.samples-page .period-pop-row { display: grid; grid-template-columns: 8px minmax(0, 1fr) auto; align-items: center; column-gap: 10px; row-gap: 3px; padding: 12px 0; border-bottom: 1px solid var(--card-border); }
.samples-page .pdot { grid-column: 1; grid-row: 1 / span 2; width: 8px; height: 8px; border-radius: 50%; }
.samples-page .period-pop-name { grid-column: 2; grid-row: 1; min-width: 0; color: var(--text); font-size: 13px; font-weight: 500; line-height: 1.5; overflow-wrap: anywhere; }
.samples-page .period-pop-era { grid-column: 2; grid-row: 2; min-width: 0; color: var(--text-muted); font-size: 11px; line-height: 1.4; overflow-wrap: anywhere; }
.samples-page .period-pop-era:empty { display: none; }
.samples-page .period-pop-pct { grid-column: 3; grid-row: 1 / span 2; color: var(--accent-text); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.samples-page .period-fit { margin-top: 16px; color: var(--text-muted); font-size: 11px; line-height: 1.6; }
.samples-page .state-msg { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; width: 100%; min-height: 180px; margin: 0; padding: 36px 24px; color: var(--text-muted); font-size: 13px; line-height: 1.7; text-align: center; }
.samples-page .state-msg p { max-width: 34ch; }
.samples-page .state-error { color: var(--danger); }
.samples-page .browser-page .state-action { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; max-width: 100%; padding: 7px 14px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font-family: inherit; font-size: 12px; font-weight: 600; line-height: 1.5; text-decoration: none; cursor: pointer; }
.samples-page .browser-page .state-action:hover { background: var(--accent-hover); filter: none; }

@media (max-width: 1100px) {
  .samples-page .browser-page { gap: 20px; width: calc(100% - 40px); }
  .samples-page .browser-head { padding-right: 20px; padding-left: 20px; }
  .samples-page .browser-head .kits-tabs { margin-right: -20px; margin-left: -20px; padding-right: 20px; padding-left: 20px; gap: 14px; }
  .samples-page .browser-panel > .browser-filters { padding-right: 20px; padding-left: 20px; }
  .samples-page .letter-head,
  .samples-page .pop-row,
  .samples-page .detail-body { padding-right: 20px; padding-left: 20px; }
}
@media (max-width: 900px) {
  .samples-page .browser-page { grid-template-columns: minmax(0, 1fr); width: min(700px, calc(100% - 40px)); margin-top: 24px; }
  .samples-page .browser-panel { height: auto; min-height: 0; }
  .samples-page .browser-list-panel { height: 480px; min-height: 480px; }
  .samples-page .browser-detail-panel { min-height: 360px; }
  .samples-page .detail-body { min-height: 240px; overflow: visible; }
}
@media (max-width: 720px) {
  .samples-page .browser-page { width: calc(100% - 28px); gap: 20px; margin: 22px auto 32px; }
  .samples-page .browser-head { padding: 16px 16px 0; }
  .samples-page .browser-head .kits-tabs { margin-right: -16px; margin-left: -16px; padding-right: 16px; padding-left: 16px; gap: 14px; }
  .samples-page .browser-head .kits-tab { font-size: 11px; }
  .samples-page .browser-filters { gap: 12px; padding-top: 16px; padding-bottom: 16px; }
  .samples-page .browser-panel > .browser-filters { padding-right: 16px; padding-left: 16px; }
  .samples-page .letter-head,
  .samples-page .pop-row { padding-right: 16px; padding-left: 16px; }
  .samples-page .detail-body { padding: 20px 16px; }
  .samples-page .period-tabs-modal { gap: 14px; }
}
@media (max-width: 480px) {
  .samples-page .browser-filters { grid-template-columns: minmax(0, 1fr); }
  .samples-page .browser-head .panel-heading { gap: 8px; }
  .samples-page .count-badge { font-size: 10px; }
  .samples-page .browser-head .kits-tabs { gap: 12px; }
  .samples-page .browser-head .kits-tab { font-size: 10.5px; letter-spacing: .015em; }
  .samples-page #detail-empty { padding: 16px 8px; }
  .samples-page .phg-dist-row { grid-template-columns: 18px minmax(0, 1fr) auto; gap: 8px; }
}