:root {
  color-scheme: light;
  --ink: #18212d;
  --muted: #657184;
  --line: #dce3eb;
  --line-strong: #cbd5e1;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --page: #eef2f7;
  --header-start: #173f5a;
  --header-middle: #22577a;
  --header-end: #2f6f8f;
  --header-text: #f8fbff;
  --header-copy: #d7e8f2;
  --header-eyebrow: #91d7e8;
  --accent: #22577a;
  --accent-soft: #e8f1f7;
  --accent-hover: #dcebf4;
  --section-accent: #3b7c9f;
  --danger: #b42318;
  --danger-soft: rgba(180, 35, 24, 0.11);
  --danger-soft-hover: rgba(180, 35, 24, 0.17);
  --shadow: 0 14px 38px rgba(31, 48, 68, 0.08);
  --radius: 18px;
  --content-width: 1400px;
  --desktop-viewport-height: calc(133.333333vh - 36px);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(116, 164, 196, 0.17), transparent 28rem),
    var(--page);
}

button,
input,
select {
  font: inherit;
}

button,
select,
input[type="checkbox"],
input[type="color"],
input[type="range"] {
  cursor: pointer;
}

.site-header {
  padding: 18px clamp(22px, 4vw, 64px) 16px;
  color: var(--header-text);
  background: linear-gradient(
    120deg,
    var(--header-start) 0%,
    var(--header-middle) 58%,
    var(--header-end) 100%
  );
}

.site-header > div,
.app-shell {
  width: min(var(--content-width), 100%);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--header-eyebrow);
}

.site-name {
  font-size: clamp(2.025rem, 3vw, 2.55rem);
  font-weight: 850;
  letter-spacing: -0.025em;
  line-height: 1;
  text-transform: none;
}

.section-kicker {
  margin: 0 0 7px;
  color: var(--header-eyebrow);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h2,
p {
  margin-top: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.header-copy {
  max-width: 860px;
  margin: 11px 0 0;
  color: var(--header-copy);
  font-size: 1.08rem;
  line-height: 1.48;
}

.navigation-stack {
  display: grid;
  justify-items: start;
  gap: 6px;
}

.mode-navigation {
  display: inline-flex;
  gap: 5px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.27);
  border-radius: 11px;
  background: rgba(7, 34, 52, 0.22);
}

.mode-navigation-button {
  min-height: 36px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: rgba(248, 251, 255, 0.84);
  background: transparent;
  font-size: 1rem;
  font-weight: 750;
}

.mode-navigation-button:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.mode-navigation-button.active {
  color: #173f5a;
  background: #fff;
  box-shadow: 0 3px 12px rgba(5, 28, 43, 0.18);
}

.nested-navigation {
  border-color: rgba(255, 255, 255, 0.21);
  background: rgba(7, 34, 52, 0.16);
}

.nested-navigation .mode-navigation-button {
  min-height: 36px;
  padding: 0 17px;
  font-size: 0.97rem;
}

.app-shell {
  padding: 18px clamp(16px, 2.4vw, 32px) 36px;
}

.surface {
  border: 1px solid rgba(203, 213, 225, 0.82);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  margin-bottom: 18px;
  padding: 15px 17px;
}

.toolbar-field {
  display: grid;
  min-width: 0;
  gap: 7px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.axis-controls {
  display: flex;
  min-width: 0;
  align-items: flex-end;
  gap: 8px;
}

.axis-heading {
  display: flex;
  min-height: 44px;
  align-items: center;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.limit-field {
  width: 88px;
}

.scale-field {
  width: 104px;
}

.y-label-field {
  width: 150px;
}

.offset-field {
  width: 88px;
}

.toolbar-divider {
  width: 1px;
  height: 44px;
  align-self: flex-end;
  background: var(--line-strong);
}

select,
input[type="number"],
input[type="text"] {
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

select,
.toolbar-field input {
  padding: 0 12px;
  font-size: 0.96rem;
  font-weight: 650;
}

.toolbar-field input {
  width: 100%;
}

select:focus,
input:focus-visible,
button:focus-visible,
summary:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 87, 122, 0.16);
  outline: none;
}

.toggle-field {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  color: #445064;
  font-size: 0.94rem;
  font-weight: 650;
}

.toggle-field input {
  width: 19px;
  height: 19px;
  accent-color: var(--accent);
}

.toolbar-actions {
  display: flex;
  flex: 1 1 390px;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.96rem;
  font-weight: 750;
}

.button.secondary {
  border-color: #9bb8ca;
  color: #194563;
  background: var(--accent-soft);
}

.button.secondary:hover {
  background: var(--accent-hover);
}

.button.primary {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
}

.button.primary:hover {
  background: #194563;
}

.button.ghost {
  border-color: var(--line-strong);
  color: #526073;
  background: #fff;
}

.button.ghost:hover {
  background: var(--surface-soft);
}

.button.ghost.time-unit-toggle {
  width: 100%;
  color: var(--ink);
  background: #fff;
  white-space: nowrap;
}

#reset-button,
#reset-basic-button {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-soft);
}

#reset-button:hover,
#reset-basic-button:hover {
  background: var(--danger-soft-hover);
}

#reset-basic-button {
  min-height: 32px;
  padding: 4px 9px;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  align-items: start;
  gap: 18px;
}

.plots-column {
  position: sticky;
  top: 18px;
  display: grid;
  grid-template-rows: auto minmax(240px, 1fr);
  gap: 18px;
  height: var(--desktop-viewport-height);
  min-width: 0;
  min-height: 680px;
}

.plot-surface {
  padding: 19px 20px 9px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.section-heading .section-kicker,
.controls-panel-header .section-kicker {
  color: var(--section-accent);
}

.component-count,
.components-heading > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.combined-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 28px;
  row-gap: 8px;
  padding: 11px 22px 0 68px;
  color: #526073;
  font-size: 0.8rem;
}

.combined-legend[hidden] {
  display: none;
}

.combined-legend-item {
  display: inline-flex;
  min-width: 0;
  max-width: 220px;
  align-items: center;
  gap: 8px;
}

.combined-legend-swatch {
  width: 30px;
  flex: 0 0 30px;
  border-top-style: solid;
}

.combined-legend-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart {
  width: 100%;
  min-height: 290px;
}

.js-plotly-plot .hoverlayer .legend > .bg {
  transform: scaleX(1.24);
  transform-box: fill-box;
  transform-origin: left center;
}

.js-plotly-plot .hoverlayer .legend > .scrollbox {
  clip-path: none !important;
}

.combined-chart {
  min-height: 280px;
}

.components-section {
  display: flex;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
}

.components-heading {
  flex: 0 0 auto;
  padding: 0 4px 11px;
}

.component-charts {
  display: flex;
  flex: 1 1 auto;
  min-height: 0;
  flex-direction: column;
  gap: 14px;
  padding-right: 7px;
  overflow-y: hidden;
  scrollbar-gutter: stable;
}

.plots-column.is-pinned .component-charts {
  overflow-y: auto;
  overscroll-behavior: contain;
}

.component-chart-card {
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  box-shadow: 0 7px 22px rgba(31, 48, 68, 0.055);
}

.component-chart-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px 0;
}

.component-chart-title h3 {
  margin: 0;
  font-size: 1.08rem;
}

.component-chart-title span {
  color: var(--muted);
  font-size: 0.84rem;
}

.component-chart {
  min-height: 230px;
}

.controls-panel {
  position: sticky;
  top: 18px;
  display: flex;
  flex-direction: column;
  height: auto;
  max-height: var(--desktop-viewport-height);
  overflow: hidden;
}

.controls-panel-header {
  flex: 0 0 auto;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
}

.component-controls {
  display: grid;
  flex: 0 1 auto;
  min-height: 0;
  align-content: start;
  grid-auto-rows: max-content;
  gap: 12px;
  padding: 14px 15px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.component-card {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-soft);
}

.component-card-header {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.color-marker {
  width: 10px;
  height: 38px;
  border-radius: 999px;
  background: var(--component-color);
}

.component-name {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  font-size: 0.96rem;
  font-weight: 750;
}

.component-type {
  padding: 5px 8px;
  border-radius: 999px;
  color: #4d5b6e;
  background: #e7ebf1;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.component-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 10px 0 14px;
}

.small-toggle {
  min-height: auto;
  font-size: 0.82rem;
}

.small-toggle input {
  width: 17px;
  height: 17px;
}

.delete-component {
  padding: 5px 9px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  background: transparent;
  font-size: 0.82rem;
  font-weight: 700;
}

.delete-component:hover {
  background: rgba(180, 35, 24, 0.05);
}

.component-fields,
.advanced-fields {
  display: grid;
  gap: 12px;
}

.control-field {
  display: grid;
  gap: 7px;
}

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

.field-label-row label,
.color-field span {
  color: #536074;
  font-size: 0.84rem;
  font-weight: 700;
}

.number-input {
  width: 88px;
  min-height: 36px !important;
  padding: 0 8px;
  font-size: 0.92rem;
  text-align: right;
}

.range-input {
  width: 100%;
  min-height: 22px;
  accent-color: var(--component-color);
}

.advanced-settings {
  margin-top: 13px;
  border-top: 1px solid var(--line);
}

.advanced-settings[hidden] {
  display: none;
}

.advanced-settings summary {
  margin: 10px 0;
  color: #596679;
  font-size: 0.83rem;
  font-weight: 750;
  cursor: pointer;
}

.color-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 13px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.component-color {
  width: 42px;
  height: 28px;
  padding: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
}

.empty-state {
  padding: 38px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
  text-align: center;
}

.basic-shell {
  padding-top: 18px;
}

.basic-workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  align-items: start;
  gap: 18px;
}

.basic-plot-surface {
  position: sticky;
  top: 18px;
  min-width: 0;
  padding: 19px 20px 11px;
}

.basic-output-heading {
  align-items: start;
}

.basic-panel-hint {
  display: grid;
  max-width: 360px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
  text-align: right;
}

.basic-chart-frame {
  min-height: 430px;
}

.basic-raw-chart {
  min-height: 430px;
}

.basic-chart-empty {
  min-height: 430px;
}

.basic-chart-summary {
  min-height: 20px;
  margin: 2px 8px 0 58px;
}

.basic-axis-settings {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
  margin: 9px 0 0;
  padding: 9px 11px 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.basic-axis-settings legend {
  padding: 0 5px;
  color: #536074;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.basic-axis-settings:disabled {
  opacity: 0.62;
}

.basic-axis-group {
  display: grid;
  grid-template-columns: auto minmax(105px, 1fr) 74px 74px;
  min-width: 0;
  align-items: end;
  gap: 7px;
}

.basic-axis-group-title {
  align-self: center;
  padding-top: 16px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.basic-axis-field {
  display: grid;
  min-width: 0;
  gap: 4px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 750;
}

.basic-axis-field input {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  padding: 0 9px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 650;
}

.basic-axis-field input::placeholder {
  color: #98a2b3;
}

.basic-raw-chart .xtitle,
.basic-raw-chart .ytitle {
  font-weight: 800 !important;
}

.basic-raw-chart .legend {
  pointer-events: none;
}

.basic-controls-column {
  position: sticky;
  top: 18px;
  display: grid;
  max-height: var(--desktop-viewport-height);
  align-content: start;
  gap: 14px;
  padding-right: 3px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.basic-control-card {
  min-width: 0;
}

.basic-card-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.small-danger-button {
  padding: 6px 10px;
  border: 1px solid rgba(180, 35, 24, 0.65);
  border-radius: 8px;
  color: var(--danger);
  background: transparent;
  font-size: 0.76rem;
  font-weight: 750;
}

.small-danger-button:hover {
  background: rgba(180, 35, 24, 0.06);
}

.basic-progress {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.basic-progress li {
  display: grid;
  justify-items: center;
  gap: 4px;
  color: #8a94a4;
  font-size: 0.76rem;
  font-weight: 500;
}

.basic-progress li span {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: #fff;
  font-size: 0.7rem;
  font-weight: 750;
}

.basic-progress li.active {
  color: var(--accent);
}

.basic-progress li.active span {
  border-color: var(--accent);
  color: #fff;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 87, 122, 0.12);
}

.basic-progress li.complete {
  color: #477088;
}

.basic-progress li.complete span {
  border-color: #9bb8ca;
  color: var(--accent);
  background: var(--accent-soft);
}

.basic-setup-content {
  min-width: 0;
}

.basic-step-intro {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.basic-choice-list {
  display: grid;
  gap: 9px;
}

.basic-choice-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}

.basic-choice-card:has(input:checked) {
  border-color: #7ea5bb;
  background: var(--accent-soft);
  box-shadow: 0 0 0 2px rgba(34, 87, 122, 0.08);
}

.basic-choice-card input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.basic-choice-copy {
  display: grid;
  gap: 3px;
}

.basic-choice-copy strong {
  color: #344054;
  font-size: 0.94rem;
}

.basic-choice-copy span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.42;
}

.basic-step-fields {
  display: grid;
  gap: 12px;
}

.basic-group-config,
.basic-name-group,
.basic-upload-group,
.mapping-cluster {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-soft);
}

.basic-group-config,
.basic-name-group {
  padding: 13px;
}

.basic-group-config-header,
.basic-name-group-header,
.basic-upload-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.basic-group-config-header,
.basic-name-group-header {
  margin-bottom: 10px;
}

.basic-group-index {
  color: var(--section-accent);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.inline-remove-button,
.basic-link-button {
  padding: 4px 7px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: var(--accent);
  background: transparent;
  font-size: 0.76rem;
  font-weight: 750;
}

.inline-remove-button {
  border-color: var(--danger);
  color: var(--danger);
}

.inline-remove-button:hover {
  background: rgba(180, 35, 24, 0.05);
  text-decoration: none;
}

.basic-link-button:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.basic-step-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  margin-top: 16px;
}

.basic-step-actions .button {
  min-height: 40px;
  padding-inline: 14px;
  font-size: 0.86rem;
}

.basic-step-actions .back-button {
  margin-right: auto;
}

.basic-add-group-button {
  width: 100%;
  min-height: 40px;
  border: 1px dashed #8eacbd;
  border-radius: 10px;
  color: var(--accent);
  background: #f7fbfd;
  font-size: 0.82rem;
  font-weight: 750;
}

.basic-add-group-button:hover {
  background: var(--accent-soft);
}

.basic-upload-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.basic-analysis-label {
  min-width: 0;
  overflow: hidden;
  color: #344054;
  font-size: 0.94rem;
  font-weight: 780;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.basic-upload-groups {
  display: grid;
  gap: 12px;
}

.basic-upload-group {
  background: #fff;
}

.basic-upload-group-header {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  background: #f7f9fc;
}

.basic-upload-group.is-collapsed .basic-upload-group-header {
  border-bottom: 0;
}

.basic-group-title {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.basic-group-color {
  width: 28px;
  height: 16px;
  flex: 0 0 28px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--group-color);
  box-shadow: 0 0 0 2px #fff, 0 0 0 3px var(--group-color);
  cursor: pointer;
}

.basic-group-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.basic-group-color::-webkit-color-swatch {
  border: 0;
}

.basic-group-color::-moz-color-swatch {
  border: 0;
}

.basic-group-title strong {
  min-width: 0;
  overflow: hidden;
  color: #344054;
  font-size: 0.87rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.basic-group-title small {
  color: var(--muted);
  font-size: 0.7rem;
}

.basic-series-list {
  display: grid;
}

.basic-series-card {
  padding: 11px 12px 12px;
  border-bottom: 1px solid var(--line);
}

.basic-series-card:last-child {
  border-bottom: 0;
}

.basic-series-legend-row {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 9px;
}

.basic-series-card.is-collapsed .basic-series-legend-row {
  margin-bottom: 0;
}

.basic-series-row-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
}

.basic-series-color {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--series-color);
  cursor: pointer;
}

.basic-series-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.basic-series-color::-webkit-color-swatch {
  border: 0;
}

.basic-series-color::-moz-color-swatch {
  border: 0;
}

.basic-collapse-button {
  display: grid;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--accent);
  background: #fff;
  font-size: 1rem;
  font-weight: 750;
  line-height: 1;
}

.basic-collapse-button:hover,
.basic-collapse-button:focus-visible {
  border-color: #7ea5bb;
  background: var(--accent-soft);
}

.basic-group-collapse-button {
  margin-left: auto;
}

.basic-series-legend-button {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: center;
  gap: 8px;
  padding: 5px 7px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #344054;
  background: transparent;
  text-align: left;
}

.basic-series-legend-button:not(:disabled):hover,
.basic-series-legend-button:not(:disabled):focus-visible {
  border-color: #c5d7e2;
  background: #f0f6fa;
}

.basic-series-legend-button:disabled {
  cursor: default;
}

.basic-series-legend-button[aria-pressed="false"] {
  color: #8993a2;
}

.basic-series-line-swatch {
  width: 28px;
  flex: 0 0 28px;
  border-top: 2px solid var(--series-color);
}

.basic-series-legend-button[aria-pressed="false"] .basic-series-line-swatch {
  border-color: #aeb8c5;
  border-top-style: dashed;
}

.basic-series-name {
  min-width: 0;
  overflow: hidden;
  font-size: 0.82rem;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.basic-series-visibility {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 700;
}

.basic-series-file-drop {
  padding: 9px;
  border: 1.5px dashed #a8becb;
  border-radius: 10px;
  background: #f7fafc;
  transition: border-color 150ms ease, background 150ms ease;
}

.basic-series-file-drop.dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.basic-series-file-drop.has-file {
  border-style: solid;
  border-color: var(--line-strong);
  background: #fff;
}

.basic-file-and-sheet-row {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.basic-file-and-sheet-row.has-sheet-selector {
  grid-template-columns: minmax(145px, 0.85fr) minmax(0, 1.15fr);
  align-items: end;
}

.basic-file-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 48px;
  color: #526073;
  font-size: 0.75rem;
  text-align: center;
  cursor: pointer;
}

.basic-file-prompt strong {
  color: var(--accent);
}

.basic-uploaded-file {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.basic-file-and-sheet-row.has-sheet-selector .basic-uploaded-file {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.basic-uploaded-file-copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.basic-uploaded-file-copy strong {
  overflow: hidden;
  color: #344054;
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.basic-uploaded-file-copy span {
  color: var(--muted);
  font-size: 0.67rem;
}

.basic-file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.basic-file-actions button,
.basic-file-actions label {
  padding: 4px 7px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: var(--accent);
  background: transparent;
  font-size: 0.69rem;
  font-weight: 750;
  cursor: pointer;
}

.basic-file-actions .remove-basic-file {
  border-color: var(--danger);
  color: var(--danger);
}

.basic-file-actions label:hover {
  background: var(--accent-soft);
}

.basic-file-actions .remove-basic-file:hover {
  background: rgba(180, 35, 24, 0.05);
}

.basic-series-sheet {
  margin-top: 0;
}

.basic-series-mapping {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
  margin-top: 8px;
}

.basic-series-mapping .analysis-field {
  gap: 4px;
}

.basic-series-mapping .analysis-field > span {
  font-size: 0.7rem;
  font-weight: 650;
}

.basic-series-mapping .analysis-field select {
  min-height: 38px;
  font-size: 0.78rem;
}

.basic-id-column-field,
.basic-id-values {
  grid-column: 1 / -1;
}

.basic-id-values {
  min-width: 0;
  margin: 0;
  padding: 9px 10px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.basic-id-values legend {
  padding: 0 4px;
  color: #526073;
  font-size: 0.7rem;
  font-weight: 700;
}

.basic-id-value-list {
  display: grid;
  gap: 6px;
  max-height: 144px;
  overflow-y: auto;
}

.basic-id-value-list label,
.basic-align-range-option {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #526073;
  font-size: 0.72rem;
  font-weight: 600;
}

.basic-id-value-list input,
.basic-align-range-option input {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
}

.basic-editor-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.basic-series-edit-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
}

.basic-edit-columns-button,
.basic-edit-range-button,
.basic-use-full-range-button,
.basic-save-columns-button,
.basic-save-range-button {
  min-height: 32px;
  padding: 5px 8px;
  border: 1px solid #526073;
  border-radius: 7px;
  color: #526073;
  background: transparent;
  font-size: 0.72rem;
  font-weight: 750;
}

.basic-edit-columns-button,
.basic-edit-range-button {
  min-width: 0;
  padding-right: 6px;
  padding-left: 6px;
  font-size: 0.68rem;
  white-space: nowrap;
}

.basic-edit-columns-button:hover,
.basic-edit-columns-button:focus-visible,
.basic-edit-range-button:hover,
.basic-edit-range-button:focus-visible,
.basic-use-full-range-button:hover,
.basic-use-full-range-button:focus-visible {
  background: #f1f4f7;
}

.basic-edit-range-button:disabled {
  border-color: #cbd3dc;
  color: #98a2b3;
  cursor: not-allowed;
}

.basic-series-range-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
  margin-top: 8px;
}

.basic-range-available,
.basic-range-fields,
.basic-range-options {
  grid-column: 1 / -1;
}

.basic-range-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
}

.basic-range-available {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.basic-series-range-editor .analysis-field {
  gap: 4px;
}

.basic-series-range-editor .analysis-field > span {
  font-size: 0.7rem;
  font-weight: 650;
}

.basic-series-range-editor .analysis-field input,
.basic-series-range-editor .analysis-field select {
  min-height: 38px;
  font-size: 0.78rem;
}

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

.basic-use-full-range-button {
  flex: 0 0 auto;
}

.basic-save-columns-button,
.basic-save-range-button {
  grid-column: 1 / -1;
  justify-self: stretch;
  width: 100%;
  min-height: 38px;
  border-color: #d96b43;
  color: #d96b43;
  text-align: center;
}

.basic-save-columns-button:hover,
.basic-save-columns-button:focus-visible,
.basic-save-range-button:hover,
.basic-save-range-button:focus-visible {
  background: rgba(217, 107, 67, 0.07);
}

.basic-series-summary {
  margin: 8px 1px 0;
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.45;
}

.basic-series-summary[data-kind="error"] {
  color: var(--danger);
}

.basic-series-summary[data-kind="warning"] {
  color: #85520a;
}

.basic-mapping-section {
  display: grid;
  gap: 9px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.basic-mapping-heading h3 {
  margin: 0 0 3px;
  color: #344054;
  font-size: 0.92rem;
}

.basic-mapping-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.mapping-cluster {
  padding: 11px;
}

.mapping-cluster-title {
  margin: 0 0 9px;
  color: #536074;
  font-size: 0.73rem;
  font-weight: 750;
  line-height: 1.4;
}

.mapping-cluster .analysis-field-pair {
  gap: 8px;
}

.mapping-cluster .analysis-field select {
  min-height: 38px;
  font-size: 0.78rem;
}

.basic-upload-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}

.basic-upload-footer .button {
  min-height: 38px;
  padding-inline: 11px;
  font-size: 0.78rem;
}

.spectral-shell {
  padding-top: 18px;
}

.spectral-workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  align-items: start;
  gap: 18px;
}

.spectral-plots-column {
  display: grid;
  min-width: 0;
  gap: 18px;
}

.spectral-plot-surface {
  min-width: 0;
  padding: 19px 20px 12px;
}

.spectral-panel-hint {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.spectral-chart-frame {
  position: relative;
  min-height: 290px;
}

.spectrum-hover-tooltip {
  position: absolute;
  z-index: 20;
  max-width: calc(100% - 16px);
  padding: 6px 8px;
  border: 1px solid #98a2b3;
  border-radius: 3px;
  color: #344054;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(16, 24, 40, 0.12);
  font-family: Arial, sans-serif;
  font-size: 13px;
  line-height: 1.28;
  white-space: nowrap;
  pointer-events: none;
}

.spectrum-hover-tooltip[hidden] {
  display: none;
}

.spectral-chart {
  min-height: 290px;
}

/* Plotly constrains axis-title standoff inside its SVG when the desktop page
   uses CSS zoom. This keeps the requested 60 px layout standoff while placing
   the rendered title below the tick labels in all three spectral panels. */
.spectral-chart .xtitle {
  transform: translateY(28px);
}

.bands-chart,
.spectral-plot-surface:last-child .spectral-chart-frame {
  min-height: 385px;
}

.chart-empty-state {
  display: grid;
  min-height: 290px;
  place-items: center;
  margin-top: 8px;
  padding: 34px;
  border: 1px dashed var(--line-strong);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(247, 249, 252, 0.72);
  text-align: center;
}

.spectral-plot-surface:last-child .chart-empty-state {
  min-height: 385px;
}

.chart-caption {
  min-height: 20px;
  margin: 12px 8px 0 50px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.spectral-controls-column {
  position: sticky;
  top: 18px;
  display: grid;
  max-height: var(--desktop-viewport-height);
  align-content: start;
  gap: 14px;
  padding-right: 3px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.analysis-control-card {
  padding: 18px;
}

.analysis-card-heading {
  margin-bottom: 15px;
}

.analysis-card-heading .section-kicker {
  color: var(--section-accent);
}

.file-dropzone {
  padding: 14px;
  border: 1.5px dashed #9bb8ca;
  border-radius: 13px;
  background: #f4f8fb;
  transition:
    border-color 150ms ease,
    background 150ms ease;
}

.file-dropzone.dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.file-dropzone.has-file {
  border-style: solid;
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

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

.file-prompt {
  display: grid;
  place-items: center;
  gap: 4px;
  min-height: 92px;
  color: #526073;
  font-size: 0.84rem;
  text-align: center;
  cursor: pointer;
}

.file-prompt strong {
  color: #194563;
  font-size: 0.92rem;
}

.upload-symbol {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-bottom: 2px;
  border-radius: 50%;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 1.25rem;
  font-weight: 800;
}

.uploaded-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.uploaded-file-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.uploaded-file-copy strong {
  overflow: hidden;
  color: #344054;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.uploaded-file-copy span {
  color: var(--muted);
  font-size: 0.76rem;
}

.remove-file-button {
  padding: 6px 9px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  background: transparent;
  font-size: 0.8rem;
  font-weight: 750;
}

.remove-file-button:hover {
  background: rgba(180, 35, 24, 0.06);
}

.analysis-fields {
  display: grid;
  gap: 12px;
  margin-top: 15px;
}

.analysis-field-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.analysis-field {
  display: grid;
  min-width: 0;
  gap: 6px;
  color: #536074;
  font-size: 0.82rem;
  font-weight: 700;
}

.analysis-field small {
  color: #8a94a4;
  font-size: 0.72rem;
  font-weight: 600;
}

.analysis-range-group {
  display: grid;
  gap: 7px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.analysis-range-label {
  color: #536074;
  font-size: 0.82rem;
  font-weight: 750;
}

.analysis-range-group > small {
  color: #8a94a4;
  font-size: 0.72rem;
  line-height: 1.42;
}

.analysis-field input,
.analysis-field select {
  width: 100%;
  min-height: 42px;
  padding: 0 10px;
  font-size: 0.9rem;
  font-weight: 600;
}

.analysis-toggle-list {
  display: grid;
  gap: 2px;
}

.analysis-toggle-list .toggle-field {
  min-height: 38px;
}

.full-width-button {
  width: 100%;
  margin-top: 15px;
}

.button:disabled,
fieldset:disabled .button,
fieldset:disabled input,
fieldset:disabled select {
  cursor: not-allowed;
  opacity: 0.48;
}

.analysis-summary {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.48;
}

.analysis-summary:empty {
  display: none;
}

.analysis-divider {
  height: 1px;
  margin: 18px 0 16px;
  background: var(--line);
}

.reconstruction-heading h3 {
  margin: 0 0 4px;
  color: #344054;
  font-size: 1rem;
}

.reconstruction-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.42;
}

.reconstruction-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.spectral-message {
  margin: 0;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: #475467;
  background: #fff;
  font-size: 0.8rem;
  line-height: 1.45;
}

.spectral-message[data-kind="success"] {
  border-color: #86c9aa;
  color: #17633f;
  background: #effaf4;
}

.spectral-message[data-kind="warning"] {
  border-color: #e4b875;
  color: #7a4b08;
  background: #fff8eb;
}

.spectral-message[data-kind="error"] {
  border-color: #e3a09a;
  color: var(--danger);
  background: #fff4f2;
}

@media (min-width: 1041px) {
  body {
    zoom: 0.75;
  }
}

@media (min-width: 1500px) {
  .toolbar {
    flex-wrap: nowrap;
  }

  .toolbar-actions {
    flex: 0 0 auto;
    flex-wrap: nowrap;
  }
}

@media (max-width: 1040px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .basic-workspace-grid {
    grid-template-columns: 1fr;
  }

  .basic-plot-surface,
  .basic-controls-column {
    position: static;
  }

  .basic-controls-column {
    max-height: none;
    grid-row: 1;
    overflow: visible;
  }

  .spectral-workspace-grid {
    grid-template-columns: 1fr;
  }

  .spectral-controls-column {
    position: static;
    max-height: none;
    grid-row: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }

  .spectral-message {
    grid-column: 1 / -1;
  }

  .plots-column {
    position: static;
    display: block;
    height: auto;
    min-height: 0;
  }

  .components-section {
    display: block;
    margin-top: 28px;
    overflow: visible;
  }

  .component-charts {
    overflow: visible;
  }

  .controls-panel {
    position: static;
    display: block;
    grid-row: 1;
    height: auto;
    max-height: none;
  }

  .component-controls {
    grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
    max-height: none;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding-top: 20px;
  }

  .navigation-stack {
    width: 100%;
  }

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

  .mode-navigation-button,
  .nested-navigation .mode-navigation-button {
    padding-inline: 10px;
  }

  .spectral-controls-column {
    grid-template-columns: 1fr;
  }

  .basic-plot-surface {
    padding: 18px 10px 10px;
  }

  .basic-chart-frame,
  .basic-raw-chart,
  .basic-chart-empty {
    min-height: 400px;
  }

  .basic-output-heading {
    display: grid;
  }

  .basic-panel-hint {
    max-width: none;
    text-align: left;
  }

  .basic-chart-summary {
    margin-left: 12px;
  }

  .basic-axis-settings {
    grid-template-columns: 1fr;
  }

  .basic-axis-group {
    grid-template-columns: auto minmax(100px, 1fr) 68px 68px;
  }

  .basic-progress li {
    font-size: 0.76rem;
  }

  .basic-uploaded-file {
    grid-template-columns: 1fr;
  }

  .basic-file-actions {
    justify-content: flex-start;
  }

  .analysis-field-pair {
    grid-template-columns: 1fr;
  }

  .basic-series-mapping {
    grid-template-columns: 1fr;
  }

  .basic-save-columns-button,
  .basic-save-range-button {
    justify-self: stretch;
  }

  .spectral-plot-surface {
    padding: 18px 10px 10px;
  }

  .chart-caption {
    margin-left: 12px;
  }

  .toolbar {
    align-items: stretch;
  }

  .axis-controls {
    display: grid;
    flex: 1 1 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .axis-heading {
    min-height: 0;
    grid-column: 1 / -1;
  }

  .toolbar-field {
    width: auto;
  }

  .toolbar-divider {
    display: none;
  }

  .toolbar > .toggle-field {
    flex: 1 1 100%;
  }

  .toolbar-actions {
    flex-basis: 100%;
    justify-content: stretch;
  }

  .toolbar-actions .button {
    flex: 1 1 100%;
  }

  .plot-surface {
    padding: 18px 10px 8px;
  }

  .combined-legend {
    column-gap: 20px;
    padding-right: 12px;
    padding-left: 68px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 5px;
  }

  .components-heading {
    padding-inline: 2px;
  }

  .combined-chart {
    min-height: 280px;
  }
}