:root {
  color-scheme: light dark;
  /* Chart series colors; checked for color-blind separation against this page's surfaces. */
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --chart-grid: #e5e7eb;
  --chart-axis: #9ca3af;
  --chart-text: #6b7280;
  --chart-surface: #ffffff;
  --card-border: #e5e7eb;
}

body {
  font-family: system-ui, sans-serif;
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  line-height: 1.5;
}

h1 {
  margin-bottom: 0.25rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid #e5e7eb;
  margin: 1rem 0 1.5rem;
}

.tabs__tab {
  padding: 0.5rem 1rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: #6b7280;
  text-decoration: none;
}

.tabs__tab:hover {
  color: inherit;
}

.tabs__tab[aria-current="page"] {
  border-bottom-color: #2563eb;
  color: inherit;
  font-weight: 600;
}

.page[hidden] {
  display: none;
}

.intro {
  color: #6b7280;
  margin-top: 0;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem;
  border: 2px dashed #9ca3af;
  border-radius: 0.5rem;
  cursor: pointer;
  text-align: center;
  margin: 1.5rem 0;
}

.dropzone:hover {
  border-color: #4b5563;
}

.input-toggle {
  display: inline-flex;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  overflow: hidden;
  margin-top: 0.5rem;
}

.input-toggle__option {
  font: inherit;
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
  border: none;
  background: transparent;
  color: #6b7280;
  cursor: pointer;
}

.input-toggle__option + .input-toggle__option {
  border-left: 1px solid #d1d5db;
}

.input-toggle__option[aria-pressed="true"] {
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 600;
}

.dropzone[hidden],
.manual-form[hidden] {
  display: none;
}

.manual-form {
  margin: 1.5rem 0;
}

.manual-form__intro {
  position: relative;
  margin: 0 0 1rem;
}

/* "this" in the manual-entry intro: shows the example paystub on hover or focus. */
.example-peek {
  color: var(--series-1);
  text-decoration: underline dotted;
  text-underline-offset: 3px;
  cursor: help;
}

.example-peek__image {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  z-index: 10;
  width: min(32rem, calc(100vw - 2rem));
  max-width: none;
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  background: #fff;
  box-shadow: 0 4px 16px rgb(0 0 0 / 0.18);
}

.example-peek:hover .example-peek__image,
.example-peek:focus .example-peek__image {
  display: block;
}

.manual-form fieldset {
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem 0.75rem;
  margin: 0 0 1rem;
}

.manual-form legend {
  font-weight: 600;
  padding: 0 0.25rem;
}

/* Label, box, and "?" on one row; the help text wraps onto its own row below. */
.manual-form__field {
  display: grid;
  grid-template-columns: 8rem minmax(0, 10rem) auto;
  align-items: center;
  gap: 0.25rem 0.5rem;
  padding: 0.25rem 0;
}

.manual-form__field input {
  font: inherit;
  width: 100%;
  box-sizing: border-box;
  padding: 0.25rem 0.4rem;
}

.manual-form__help {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.8rem;
  color: #6b7280;
}

.manual-form__help[hidden] {
  display: none;
}

.help-button {
  width: 1.4rem;
  height: 1.4rem;
  padding: 0;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: #6b7280;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.help-button:hover,
.help-button[aria-expanded="true"] {
  color: #2563eb;
}

.manual-form__submit {
  font: inherit;
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 0.5rem;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.manual-form__submit:hover {
  background: #1d4ed8;
}

@media (max-width: 28rem) {
  .manual-form__field {
    grid-template-columns: 1fr auto;
  }

  .manual-form__field input {
    grid-column: 1;
  }

  .manual-form__field label {
    grid-column: 1 / -1;
  }
}

.status {
  min-height: 1.25rem;
  color: #6b7280;
}

.status--error {
  color: #b91c1c;
}

.stub-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.stub-list button {
  font: inherit;
  font-size: 0.85rem;
  text-align: left;
  padding: 0.4rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.stub-list button:hover {
  border-color: #4b5563;
}

.stub-list button[aria-current="true"] {
  border-color: #2563eb;
  background: #eff6ff;
  font-weight: 600;
}

.stub-list__meta {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: #6b7280;
}

.overall .rate-cards {
  margin: 0.75rem 0 0;
}

.overall__summary {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: #6b7280;
}

.graphs__empty {
  color: #6b7280;
}

.chart-controls {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  font-size: 0.85rem;
}

.chart-controls li + li {
  margin-top: 0.25rem;
}

.chart-controls label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.chart-controls input {
  margin: 0;
}

.chart-controls__average {
  color: var(--chart-text);
}

.chart-controls__average[hidden] {
  display: none;
}

.line-key {
  display: inline-block;
  width: 14px;
  height: 2px;
  border-radius: 1px;
  flex: none;
}

.rate-chart {
  position: relative;
  margin-bottom: 1rem;
}

.rate-chart svg {
  display: block;
  overflow: visible;
}

.rate-chart svg:focus-visible {
  outline: 2px solid var(--series-1);
  outline-offset: 2px;
}

.rate-chart__grid {
  stroke: var(--chart-grid);
  stroke-width: 1;
}

.rate-chart__axis-label,
.rate-chart__end-label {
  fill: var(--chart-text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.rate-chart__end-label {
  fill: currentColor;
}

.rate-chart__line {
  fill: none;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.rate-chart__point {
  stroke: var(--chart-surface);
  stroke-width: 2;
}

.rate-chart__end-key {
  stroke-width: 2;
  stroke-linecap: round;
}

.line-key--dotted {
  background: repeating-linear-gradient(to right, var(--chart-axis) 0 2px, transparent 2px 5px);
}

.rate-chart__minimum-wage {
  stroke: var(--chart-axis);
  stroke-width: 1.5;
  stroke-dasharray: 2 3;
}

.rate-chart__average {
  stroke-width: 1.5;
  stroke-dasharray: 6 4;
  opacity: 0.8;
}

.rate-chart__crosshair {
  stroke: var(--chart-axis);
  stroke-width: 1;
}

.rate-chart__hit-area {
  fill: transparent;
}

.rate-chart__tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--chart-surface);
  border: 1px solid var(--chart-grid);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.12);
  white-space: nowrap;
}

.rate-chart__tooltip[hidden] {
  display: none;
}

.rate-chart__tooltip p {
  margin: 0;
}

.rate-chart__tooltip-title {
  color: var(--chart-text);
  margin-bottom: 0.25rem !important;
}

.rate-chart__tooltip-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-variant-numeric: tabular-nums;
}

.rate-chart__tooltip-name {
  color: var(--chart-text);
}

.rate-table {
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.rate-table th,
.rate-table td {
  padding: 0.2rem 1.5rem 0.2rem 0;
  border-bottom: 1px solid var(--chart-grid);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

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

.rate-table tfoot {
  font-weight: 600;
}

.about li {
  margin-bottom: 0.5rem;
}

.about a {
  color: var(--series-1);
}

.rate-explainer {
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  padding: 0.25rem 1rem;
  margin: 1rem 0;
}

.rate-explainer h3 {
  margin: 0.5rem 0 0;
}

.rate-explainer__formula {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  color: #4b5563;
}

.results[hidden] {
  display: none;
}

.current-stub-title {
  margin: 1.5rem 0 0;
}

.results .rate-cards {
  margin-top: 0.75rem;
}

.rate-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.rate-card {
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  padding: 1rem;
}

.rate-card h2 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  color: #4b5563;
}

/* Apparent / Actual / Adjusted keep the same color on every tab (see --series-N). */
.rate-card--apparent,
.rate-explainer--apparent {
  border-top: 3px solid var(--series-1);
}

.rate-card--actual,
.rate-explainer--actual {
  border-top: 3px solid var(--series-2);
}

.rate-card--adjusted,
.rate-explainer--adjusted {
  border-top: 3px solid var(--series-3);
}

.rate-card__value {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0;
}

.rate-card__note {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  color: #6b7280;
}

.rate-card__inputs {
  margin: 0.5rem 0;
  font-size: 0.8rem;
}

.rate-card__inputs input {
  width: 5rem;
  display: block;
  margin-top: 0.2rem;
}

.rate-card__source {
  margin: 0.25rem 0 0;
  color: #6b7280;
}

.link-button {
  font: inherit;
  padding: 0;
  border: none;
  background: none;
  color: var(--series-1);
  text-decoration: underline;
  cursor: pointer;
}

.link-button[hidden] {
  display: none;
}

.disclaimer {
  font-size: 0.8rem;
  color: #6b7280;
  font-style: italic;
}

/* Grid so an optional description sits under the heading, lined up past the arrow. */
.collapsible summary {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 0.5rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.collapsible summary::before {
  content: "\25B6";
  font-size: 0.75rem;
  transition: transform 0.15s ease;
}

.collapsible[open] summary::before {
  transform: rotate(90deg);
}

.collapsible summary h2 {
  margin: 0;
}

.collapsible__description {
  grid-column: 2;
  margin-top: 0.1rem;
  font-size: 0.85rem;
  color: #6b7280;
}

.collapsible__empty {
  color: #6b7280;
  margin-top: 0;
}

.collapsible__empty[hidden],
.collapsible [data-needs-paystub][hidden] {
  display: none;
}

.calculation-table {
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.calculation-table td {
  padding: 0.2rem 1.5rem 0.2rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.calculation-table td:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.calculation-table__output td {
  font-weight: 600;
}

.parsed-json {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (prefers-color-scheme: dark) {
  :root {
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --chart-grid: #374151;
    --chart-axis: #6b7280;
    --chart-text: #9ca3af;
    --chart-surface: #111827;
    --card-border: #374151;
  }

  body {
    background: #111827;
    color: #e5e7eb;
  }

  .rate-card,
  .rate-explainer,
  .parsed-json {
    background: #1f2937;
  }

  .parsed-json {
    border-color: #374151;
  }

  .dropzone {
    border-color: #4b5563;
  }

  .tabs {
    border-color: #374151;
  }

  .rate-explainer__formula {
    color: #9ca3af;
  }

  .tabs__tab[aria-current="page"] {
    border-bottom-color: #60a5fa;
  }

  .stub-list button {
    border-color: #374151;
  }

  .stub-list button[aria-current="true"] {
    border-color: #60a5fa;
    background: #1e3a5f;
  }

  .calculation-table td {
    border-color: #374151;
  }

  .input-toggle,
  .input-toggle__option + .input-toggle__option {
    border-color: #374151;
  }

  .input-toggle__option[aria-pressed="true"] {
    background: #1e3a5f;
    color: #93c5fd;
  }

  .help-button {
    color: #9ca3af;
  }

  .help-button:hover,
  .help-button[aria-expanded="true"] {
    color: #60a5fa;
  }
}