:root {
  --bg: #0b0f14;
  --panel: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #60a5fa;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(96, 165, 250, 0.12), transparent 60%),
    radial-gradient(1200px 800px at 90% 10%, rgba(34, 197, 94, 0.1), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(234, 179, 8, 0.08), transparent 60%),
    var(--bg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.header {
  flex: 0 0 auto;
  padding: 16px 18px 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 5;
}

.leftHead {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
}

.homeBtn,
.statsBtn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.06);
  color: #2dff00;
  text-decoration: none;
  transition: all 0.15s ease;
}

.homeBtn:hover,
.statsBtn:hover {
  background: rgba(96, 165, 250, 0.22);
  border-color: rgba(96, 165, 250, 0.55);
  transform: translateY(-2px);
}

h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.2px;
}

.sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  max-width: 920px;
  line-height: 1.45;
}

.rightHead {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.selectWrap,
.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(6px);
  color: var(--muted);
  font-size: 12px;
}

.selectWrap {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.selectWrap.compact {
  min-width: 150px;
}

.selectWrap.wide {
  min-width: 210px;
}

.selectWrap label {
  font-size: 11px;
  color: var(--muted);
}

.selectWrap select {
  width: 100%;
  min-width: 130px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  outline: 0;

  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.chip input[type="range"] {
  width: 120px;
}

.chip .val {
  min-width: 34px;
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.toggleBtn {
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.toggleBtn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.pageMain {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0 18px 14px;
  display: flex;
  flex-direction: column;
}

.heroSummary {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
  align-items: stretch;
}


.heroStatCard,
.panel,
#viz,
.emptyState {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.heroStatCard {
  padding: 12px 14px;
  min-width: 0;
}

.heroStatLabel {
  color: var(--muted);
  font-size: 12px;
}

.heroStatValue {
  margin-top: 4px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.1;
}

#viz {
  flex: 1 1 auto;
  min-height: 0;

  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

#viz svg {
  display: block;
}

.emptyState {
  padding: 28px 22px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 14px;
}

.bottomGrid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.panelHead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 16px 8px;
}

.panelTitle {
  margin: 0;
  font-size: 16px;
}

.panelSub {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.panelBody {
  padding: 0 16px 16px;
}

.tableWrap {
  overflow: auto;
}

.tableWrap table {
  width: 100%;
  border-collapse: collapse;
}

.tableWrap th,
.tableWrap td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  font-size: 13px;
}

.tableWrap th {
  color: var(--muted);
  font-weight: 600;
}

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

.hintPill {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.18);
  border-radius: 999px;
  padding: 7px 10px;
}

.tooltip {
  position: fixed;
  pointer-events: none;
  display: none;
  background: rgba(17, 24, 39, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 10px 12px;
  max-width: 360px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  z-index: 20;
}

.tooltip b {
  display: block;
  font-size: 13px;
}

.tooltip .meta,
.tooltip .desc {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.sankeyNode rect {
  stroke: rgba(255, 255, 255, 0.25);
}

.sankeyNode text {
  fill: var(--text);
  font-size: 13px;
}

.sankeyLink {
  fill: none;
  stroke-opacity: 0.42;
  transition: stroke-opacity 0.15s ease;
}

.sankeyLink:hover {
  stroke-opacity: 0.72;
}

#viz {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

#viz::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

#viz::-webkit-scrollbar-track {
  background: transparent;
}

#viz::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 10px;
}

#viz::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

@media (max-width: 1100px) {

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

@media (max-width: 720px) {
  body {
    overflow: hidden;
  }

  .header {
    padding: 8px 10px 6px;
    gap: 6px;
  }

  .header h1 {
    font-size: 15px;
    line-height: 1.15;
  }

  .header .sub {
    display: none;
  }

  .leftHead {
    gap: 8px;
    align-items: center;
    min-width: 0;
    width: 100%;
  }

  .leftHead>div {
    min-width: 0;
    flex: 1 1 auto;
  }

  .homeBtn,
  .statsBtn {
    width: 34px;
    height: 34px;
  }

  .rightHead {
    width: 100%;
    justify-content: flex-start;
    gap: 6px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "search search"
      "family source"
      "slider slider"
      "toggle toggle";
    align-items: start;
  }

  .searchBlock {
    grid-area: search;
    width: 100%;
    min-width: 0;
  }

  .selectWrap.compact {
    grid-area: family;
    width: 100%;
    min-width: 0;
  }

  .selectWrap.wide {
    grid-area: source;
    width: 100%;
    min-width: 0;
  }

  .chip {
    grid-area: slider;
    width: 100%;
    min-width: 0;
  }

  .toggleBtn {
    grid-area: toggle;
    width: 100%;
    min-width: 0;
  }

  .searchBlock label,
  .selectWrap label {
    margin-bottom: 3px;
    font-size: 10px;
  }

  .searchWrap,
  .selectWrap,
  .chip {
    padding: 7px 8px;
    border-radius: 12px;
  }

  #tuneSearchInput,
  .selectWrap select {
    font-size: 13px;
  }

  #clearTuneBtn,
  .toggleBtn {
    padding: 6px 9px;
    font-size: 12px;
  }

  .chip {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 8px;
  }

  .chip input[type="range"] {
    width: 100%;
    min-width: 0;
  }

  .pageMain {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    padding: 0 8px 8px;
  }

  .heroSummary {
    gap: 6px;
    margin-bottom: 8px;
  }


  .heroStatCard {
    padding: 8px 8px;
    border-radius: 12px;
  }

  .heroStatLabel {
    font-size: 10px;
    line-height: 1.15;
  }

  .heroStatValue {
    margin-top: 4px;
    font-size: 14px;
    line-height: 1.1;
  }

  .selectedTuneBanner {
    margin-bottom: 0;
    padding: 7px 9px;
    border-radius: 12px;
    gap: 8px;
  }

  .selectedTuneLabel {
    font-size: 10px;
  }

  .selectedTuneName {
    font-size: 13px;
  }

  .selectedTuneClear {
    padding: 5px 8px;
    font-size: 12px;
  }

  #viz {
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    overflow: hidden;
    border-radius: 12px;
  }

  .tooltip {
    max-width: min(280px, calc(100vw - 20px));
    padding: 8px 10px;
    border-radius: 12px;
  }
}

@media (max-width: 560px) {
  .pageMain {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
  }

  .heroStats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .heroStatCard:nth-child(3),
  .heroStatCard:nth-child(4) {
    display: none;
  }

  .selectedTuneBanner {
    align-items: flex-start;
  }

  .selectedTuneClear {
    margin-left: 0;
  }

  .rightHead {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "search search"
      "family source"
      "slider slider"
      "toggle toggle";
  }
}

select {
  background-color: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

select option {
  background-color: #0b0f14;
  /* same as your dark bg */
  color: var(--text);
}

/* =========================
   Tune search + autocomplete
   ========================= */

.searchBlock {
  position: relative;
  min-width: 280px;
}

.searchBlock label {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  color: var(--muted);
}

.searchWrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(6px);
}

#tuneSearchInput {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
}

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

#clearTuneBtn {
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

#clearTuneBtn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* autocomplete dropdown */
.autocompleteBox {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;

  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(11, 15, 20, 0.98);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);

  max-height: 420px;
  overflow-y: auto;
}

.autocompleteItem {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 10px 12px;
  cursor: pointer;
  display: block;
}

.autocompleteItem:last-child {
  border-bottom: none;
}

.autocompleteItem:hover,
.autocompleteItem.is-active {
  background: rgba(96, 165, 250, 0.14);
}

/* content */
.autocompleteTitleRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.autocompleteTitle {
  font-size: 14px;
  font-weight: 600;
}

.autocompleteType {
  font-size: 11px;
  color: var(--muted);
}

.autocompleteMeta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.autocompleteEmpty {
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* mobile */
/* mobile */
@media (max-width: 720px) {
  .searchBlock {
    width: 100%;
    min-width: 0;
  }

  .autocompleteBox {
    max-height: min(300px, 42vh);
  }

  .autocompleteItem {
    padding: 9px 10px;
  }

  .autocompleteTitle {
    font-size: 13px;
  }

  .autocompleteMeta,
  .autocompleteType {
    font-size: 11px;
  }
}

.selectedTuneBanner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 0;
  padding: 10px 12px;
  min-width: 0;
  border-radius: 14px;
  border: 1px solid rgba(96, 165, 250, 0.22);
  background: rgba(96, 165, 250, 0.1);
  color: var(--text);
}

.selectedTuneLabel {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.selectedTuneName {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.selectedTuneClear {
  margin-left: auto;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
  cursor: pointer;
}

.selectedTuneClear:hover {
  background: rgba(255, 255, 255, 0.1);
}


.autocompleteTitleRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.autocompleteType {
  font-size: 12px;
  font-weight: 700;
  text-transform: capitalize;
  opacity: 0.8;
  white-space: nowrap;
}