/* ==========================================================================
   Laboratorium AI — "Zobacz, jak to działa"
   A raised panel with four short demonstrations. Each one is a workspace:
   the input on the left, and on the right a trace of what the model did —
   the dotted thread of the process section, filling with the accent as each
   part of the answer actually arrives (assets/js/lab/lab.js).
   ========================================================================== */

.lab {
  isolation: isolate;
  overflow: hidden;
}

/* the dot field in the top-left corner, mirroring the services panel */
.lab::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: min(40rem, 60%);
  height: 30rem;
  background: radial-gradient(circle, rgb(255 255 255 / 0.1) 0 1px, transparent 1.5px) 0 0 / 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 80% 75% at 0% 0%, #000, transparent 70%);
  mask-image: radial-gradient(ellipse 80% 75% at 0% 0%, #000, transparent 70%);
  pointer-events: none;
}

/* shared classes like .field set a display value, which would otherwise override [hidden] */
.lab [hidden] {
  display: none !important;
}

/* ---- Header ------------------------------------------------------------------------ */

.lab__header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2rem clamp(2rem, 5vw, 5rem);
  align-items: end;
}

.lab__aside .section-lead {
  margin-top: 0;
}

.lab__status {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  margin-top: 1.5rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.lab__status:empty {
  visibility: hidden;
}

.lab__status::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-subtle);
}

.lab[data-mode="live"] .lab__status::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.lab__privacy {
  max-width: 38rem;
  margin-top: 0.9rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--color-text-subtle);
  text-wrap: pretty;
}

/* ---- Tabs ------------------------------------------------------------------------------ */

.lab__body {
  margin-top: clamp(2.5rem, 2rem + 2vw, 3.5rem);
}

.lab__tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.lab__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "tile number"
    "tile title"
    "text text";
  column-gap: 0.9rem;
  row-gap: 0.15rem;
  align-items: start;
  padding: 1rem 1.1rem 1.1rem;
  border: 1px solid var(--color-line-soft);
  border-radius: 1.1rem;
  background: rgb(255 255 255 / 0.015);
  color: var(--color-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.25s ease,
    background-color 0.25s ease;
}

.lab__tab:hover {
  border-color: var(--color-line);
}

.lab__tab-tile {
  grid-area: tile;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-line);
  border-radius: 0.75rem;
  background: linear-gradient(180deg, #161618, #0e0e0f);
}

.lab__tab-tile .dot-icon {
  width: 1.65rem;
  transition: fill 0.25s ease;
}

.lab__tab-number {
  grid-area: number;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--color-text-subtle);
}

.lab__tab-title {
  grid-area: title;
  font-size: 1rem;
  font-variation-settings: "opsz" 32;
  line-height: 1.3;
}

.lab__tab-text {
  grid-area: text;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-subtle);
}

.lab__tab[aria-selected="true"] {
  border-color: rgb(242 163 94 / 0.55);
  background: rgb(242 163 94 / 0.05);
}

.lab__tab[aria-selected="true"] .lab__tab-number {
  color: var(--color-accent);
}

.lab__tab[aria-selected="true"] .dot-icon {
  fill: var(--color-accent);
}

.lab__tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---- Workspace -------------------------------------------------------------------------- */

.lab__panel {
  margin-top: 0.75rem;
}

.lab__workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 0.75rem;
  align-items: start;
}

.lab__input,
.lab__output {
  min-width: 0;
  padding: clamp(1.25rem, 0.9rem + 1.5vw, 2rem);
  border: 1px solid var(--color-line-soft);
  border-radius: 1.5rem;
}

.lab__input {
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface-1) 70%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.07);
}

.lab__output {
  position: relative;
  background: #09090a;
}

.lab__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--color-text-subtle);
}

.lab__input > * + * {
  margin-top: 1.25rem;
}

.lab__input > .lab__examples {
  margin-top: 0.9rem;
}

/* ---- Inputs --------------------------------------------------------------------------------- */

.lab__examples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.field .lab__examples {
  margin-bottom: 0.25rem;
}

.lab__example {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background-color 0.2s ease;
}

.lab__example:hover {
  border-color: rgb(255 255 255 / 0.32);
  color: var(--color-text);
}

.lab__example[aria-pressed="true"] {
  border-color: var(--color-accent);
  background: rgb(242 163 94 / 0.08);
  color: var(--color-text);
}

.lab__textarea {
  min-height: 0;
  resize: vertical;
  font-size: 0.9375rem;
}

.lab__count {
  justify-self: end;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* the visitor's message after a run, with the passages the model used marked */
.lab__source {
  padding: 0.85rem 1rem;
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: 0.75rem;
  background: #09090a;
}

.lab__source-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  white-space: pre-wrap;
}

.lab__edit,
.lab__stop {
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-text);
  font: inherit;
  font-size: 0.875rem;
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 0.3em;
  cursor: pointer;
}

.lab__source .lab__edit {
  margin-top: 0.75rem;
}

.lab__edit:hover,
.lab__stop:hover {
  color: var(--color-accent);
}

.lab__context summary,
.lab-dataset__preview summary,
.lab-chart__data summary {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.lab__context .lab-list {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.lab__segments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.lab__choice {
  margin-inline: 0;
  padding: 0;
  border: 0;
}

.lab__choice legend {
  margin-bottom: 0.5rem;
  padding: 0;
}

.lab__segments label {
  position: relative;
}

.lab__segments input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.lab__segments span {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-text-muted);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background-color 0.2s ease;
}

.lab__segments input:checked + span {
  border-color: var(--color-accent);
  background: rgb(242 163 94 / 0.08);
  color: var(--color-text);
}

.lab__segments input:focus-visible + span {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.lab__file {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
}

.lab__file input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.lab__file span {
  padding: 0.45rem 0.9rem;
  border: 1px dashed rgb(255 255 255 / 0.3);
  border-radius: 999px;
  transition: border-color 0.2s ease;
}

.lab__file:hover span {
  border-color: var(--color-accent);
}

.lab__file input:focus-visible + span {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.lab__file-error:empty {
  display: none;
}

.lab__file-error {
  font-size: 0.875rem;
  color: #ff9a9a;
}

.lab__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.lab__actions .button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.lab__mode-note {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-subtle);
}

/* ---- The document --------------------------------------------------------------------------- */

.lab__document {
  max-height: 23rem;
  overflow: auto;
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-line-soft);
  border-radius: 0.9rem;
  background: #09090a;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  overscroll-behavior: contain;
}

.lab-doc__line.is-title {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.lab-doc__line.is-heading {
  margin-top: 0.4rem;
  color: var(--color-text);
}

.lab-doc__line.is-gap {
  height: 0.5rem;
}

/* ---- The dataset -------------------------------------------------------------------------------- */

.lab-dataset {
  display: grid;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-line-soft);
  border-radius: 0.9rem;
  background: #09090a;
}

.lab-dataset__name {
  font-size: 0.9375rem;
  line-height: 1.4;
}

.lab-dataset__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

.lab-dataset__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  font-size: 0.875rem;
}

.lab-dataset__preview .lab-table-scroll {
  margin-top: 0.75rem;
}

.lab__tag {
  display: inline-flex;
  padding: 0.15rem 0.55rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}

.lab__tag.is-accent {
  border-color: rgb(242 163 94 / 0.55);
}

/* ---- Output: hint, trace, result ------------------------------------------------------------------ */

.lab__hint {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-subtle);
}

.lab__hint[hidden] {
  display: none;
}

/* the steps hang on a dotted thread; the accent fills it as the answer arrives */
.lab__trace {
  --fill: 0px;

  position: relative;
  display: grid;
  gap: 1.35rem;
  margin-top: 1.25rem;
}

.lab__trace::before,
.lab__trace::after {
  content: "";
  position: absolute;
  top: 0.55rem;
  left: 2px;
  width: 2px;
  pointer-events: none;
}

.lab__trace::before {
  bottom: 0.55rem;
  background: radial-gradient(circle, rgb(255 255 255 / 0.3) 0 1px, transparent 1.4px) center top / 2px 10px repeat-y;
}

.lab__trace::after {
  height: var(--fill);
  border-radius: 2px;
  background: var(--color-accent);
  transition: height 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.lab__step {
  position: relative;
  padding-left: 1.75rem;
}

.lab__step::before {
  content: "";
  position: absolute;
  top: 0.3rem;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #09090a;
  box-shadow: 0 0 0 1px var(--color-text-subtle);
  transition:
    background-color 0.35s ease,
    box-shadow 0.35s ease;
}

.lab__step.is-active::before,
.lab__step.is-done::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.lab__step.is-active::before {
  animation: lab-pulse 1.4s ease-in-out infinite;
}

@keyframes lab-pulse {
  50% {
    box-shadow: 0 0 0 7px rgb(242 163 94 / 0.08);
  }
}

.lab__step-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--color-text-subtle);
  transition: color 0.35s ease;
}

.lab__step.is-active .lab__step-label,
.lab__step.is-done .lab__step-label {
  color: var(--color-text-muted);
}

.lab__step-body:empty {
  display: none;
}

.lab__step-body {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.65rem;
}

.lab__step.has-content .lab__step-body {
  animation: lab-arrive 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes lab-arrive {
  from {
    opacity: 0;
    transform: translateY(0.35rem);
  }
}

.lab__notice {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.lab__notice[data-kind="error"] {
  border-color: rgb(255 154 154 / 0.45);
  color: #ffd2d2;
}

.lab__notice[hidden] {
  display: none;
}

.lab__value {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-line-soft);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.lab__value .spark {
  margin-top: 0.5em;
}

.lab__value strong {
  font-weight: 500;
  color: var(--color-text);
}

.lab__meta:empty {
  display: none;
}

.lab__meta {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  line-height: 1.5;
  color: var(--color-text-subtle);
}

/* ---- Result pieces ---------------------------------------------------------------------------------- */

.lab-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.lab-answer {
  color: var(--color-text);
}

.lab-muted {
  color: var(--color-text-subtle);
}

.lab-angle {
  padding-left: 0.9rem;
  border-left: 2px solid var(--color-accent);
  color: var(--color-text);
}

.lab-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.lab-tags .chip.is-accent {
  border-color: rgb(242 163 94 / 0.6);
  color: var(--color-text);
}

.lab-list {
  display: grid;
  gap: 0.45rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.lab-list li {
  position: relative;
  padding-left: 1.1rem;
}

.lab-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-text-subtle);
}

.lab-list--check li::before {
  background: none;
  box-shadow: 0 0 0 1px var(--color-accent);
}

.lab-sublabel {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--color-text-subtle);
}

.lab-subsection {
  display: grid;
  gap: 0.45rem;
}

.lab-route {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.lab-route strong {
  font-weight: 500;
  color: var(--color-text);
}

.lab-facts {
  display: grid;
  gap: 0.6rem;
}

.lab-facts__row {
  display: grid;
  grid-template-columns: minmax(6.5rem, 0.4fr) minmax(0, 1fr);
  gap: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

.lab-facts dt {
  color: var(--color-text-subtle);
}

.lab-facts dd {
  margin: 0;
  color: var(--color-text);
}

.lab-facts__quote {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1.5;
  color: var(--color-text-subtle);
}

/* marks: passages the model used, placeholders it left for a person */
.lab-mark {
  border-radius: 3px;
  background: rgb(242 163 94 / 0.16);
  box-shadow: inset 0 -1px 0 var(--color-accent);
  color: var(--color-text);
}

.lab-mark.is-flash {
  animation: lab-flash 1.4s ease;
}

@keyframes lab-flash {
  20% {
    background: rgb(242 163 94 / 0.45);
  }
}

.lab-placeholder {
  padding: 0 0.15em;
  border-radius: 3px;
  background: rgb(242 163 94 / 0.14);
  color: var(--color-accent);
}

.lab-mail,
.lab-draft {
  display: grid;
  gap: 0.75rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--color-line-soft);
  border-radius: 1rem;
  background: var(--color-surface-2);
}

.lab-mail__subject {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-line-soft);
  font-size: 0.9375rem;
}

.lab-mail__subject span {
  color: var(--color-text-subtle);
}

.lab-mail__body,
.lab-draft__body {
  display: grid;
  gap: 0.75rem;
}

.lab-mail__note {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--color-text-subtle);
}

.lab-draft__kind {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--color-text-subtle);
}

.lab-draft__title {
  font-size: 1.25rem;
  font-weight: 400;
  font-variation-settings: "opsz" 32;
  line-height: 1.25;
}

.lab-draft__lead {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.45;
}

.lab-draft__cta {
  justify-self: start;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: #fff;
  color: #000;
  font-size: 0.875rem;
}

.lab-draft__cta-text {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.lab-draft__tags {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

.lab-cite {
  display: inline-grid;
  place-items: center;
  min-width: 1.35rem;
  height: 1.35rem;
  margin-left: 0.25rem;
  padding: 0 0.3rem;
  border: 1px solid rgb(242 163 94 / 0.6);
  border-radius: 999px;
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1;
  vertical-align: 0.15em;
  cursor: pointer;
}

.lab-cite:hover {
  background: rgb(242 163 94 / 0.12);
}

.lab-sources {
  display: grid;
  gap: 0.7rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.lab-sources li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.6rem;
  align-items: start;
}

.lab-sources .lab-cite {
  margin: 0.1rem 0 0;
}

.lab-sources__section {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--color-text-subtle);
}

.lab-findings {
  display: grid;
  gap: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.lab-findings li {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  gap: 0.5rem;
}

.lab-findings__icon {
  font-family: var(--font-mono);
  color: var(--color-text-subtle);
}

.lab-findings .is-wzrost .lab-findings__icon,
.lab-findings .is-spadek .lab-findings__icon {
  color: var(--color-text);
}

/* ---- Tables and charts ------------------------------------------------------------------------------- */

.lab-table-scroll {
  overflow: auto;
  border: 1px solid var(--color-line-soft);
  border-radius: 0.6rem;
}

.lab-table-scroll--tall {
  max-height: 16rem;
}

.lab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.lab-table th,
.lab-table td {
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--color-line-soft);
  text-align: left;
  white-space: nowrap;
}

.lab-table th {
  position: sticky;
  top: 0;
  background: #121214;
  font-weight: 500;
  color: var(--color-text-muted);
}

.lab-table td {
  color: var(--color-text-subtle);
}

.lab-table .is-number {
  text-align: right;
}

.lab-chart {
  --mark-neutral: #c4c4ca;
  --mark-muted: #6e6e75; /* 3.6:1 on the surface; validated against the accent for colour-blind readers */

  margin: 0;
  padding: 1rem 1.1rem 1.1rem;
  border: 1px solid var(--color-line-soft);
  border-radius: 1rem;
  background: #131315;
}

.lab-chart__caption {
  display: grid;
  gap: 0.2rem;
}

.lab-chart__title {
  font-size: 0.9375rem;
  line-height: 1.4;
}

.lab-chart__source {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: var(--color-text-subtle);
}

.lab-bars {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.lab-bars__row {
  --bar: var(--mark-neutral);

  display: grid;
  grid-template-columns: minmax(5.5rem, 0.36fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.3;
}

.lab-bars__row.is-highlight {
  --bar: var(--color-accent);
}

.lab-bars__row.is-muted {
  --bar: var(--mark-muted);
}

.lab-bars__label {
  color: var(--color-text-muted);
}

.lab-bars__row.is-highlight .lab-bars__label {
  color: var(--color-text);
}

.lab-bars__track {
  position: relative;
  height: 12px;
}

.lab-bars__bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: calc(var(--size) * 100%);
  min-width: 2px;
  border-radius: 0 4px 4px 0;
  background: var(--bar);
  animation: lab-grow 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
  transform-origin: left;
}

@keyframes lab-grow {
  from {
    transform: scaleX(0);
  }
}

.lab-bars__value {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* change: bars to the left and right of a zero line */
.lab-bars--change .lab-bars__track::before {
  content: "";
  position: absolute;
  top: -3px;
  bottom: -3px;
  left: 50%;
  width: 1px;
  background: var(--color-line);
}

.lab-bars--change .lab-bars__bar {
  width: calc(var(--size) * 50%);
}

.lab-bars--change .lab-bars__bar.is-positive {
  left: 50%;
}

.lab-bars--change .lab-bars__bar.is-negative {
  right: 50%;
  left: auto;
  border-radius: 4px 0 0 4px;
  transform-origin: right;
}

.lab-chart__plot {
  position: relative;
  margin-top: 0.75rem;
  border-radius: 0.5rem;
}

.lab-chart__plot:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.lab-chart__svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.lab-chart__grid {
  stroke: rgb(255 255 255 / 0.08);
  stroke-width: 1;
}

.lab-chart__tick {
  fill: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: 10.5px;
}

.lab-chart__end {
  fill: var(--color-text);
  font-size: 12px;
}

.lab-chart__label {
  fill: var(--color-text-subtle);
  font-size: 11px;
}

.lab-chart__label.is-highlight,
.lab-chart__label.is-neutral {
  fill: var(--color-text);
}

.lab-chart__cross {
  stroke: rgb(255 255 255 / 0.35);
  stroke-width: 1;
}

.lab-chart__line {
  fill: none;
  stroke: var(--mark-neutral);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lab-chart__dot {
  fill: var(--mark-neutral);
  stroke: #131315;
  stroke-width: 2;
}

.lab-chart__line.is-highlight {
  stroke: var(--color-accent);
}

.lab-chart__dot.is-highlight {
  fill: var(--color-accent);
}

.lab-chart__line.is-muted {
  stroke: var(--mark-muted);
}

.lab-chart__dot.is-muted {
  fill: var(--mark-muted);
}

.lab-chart__tooltip {
  position: absolute;
  top: 0;
  z-index: 1;
  min-width: 10rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-line);
  border-radius: 0.6rem;
  background: #1b1b1e;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.5);
  transform: translateX(-50%);
  pointer-events: none;
}

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

.lab-chart__tooltip-title {
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-subtle);
}

.lab-chart__tooltip-row {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-text-subtle);
}

.lab-chart__tooltip-row strong {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.lab-chart__key {
  width: 14px;
  height: 2px;
  border-radius: 1px;
  background: var(--mark-neutral);
}

.lab-chart__key.is-highlight {
  background: var(--color-accent);
}

.lab-chart__key.is-muted {
  background: var(--mark-muted);
}

.lab-chart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.lab-chart__legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.lab-chart__data {
  margin-top: 0.9rem;
}

.lab-chart__data .lab-table-scroll {
  margin-top: 0.6rem;
}

/* ---- Tablet and phone --------------------------------------------------------------------------------- */

@media (max-width: 1023.98px) {
  .lab__header {
    grid-template-columns: minmax(0, 1fr);
  }

  .lab__tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lab__workspace {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 639.98px) {
  /* the title gets the full width of the tab, under the icon and number */
  .lab__tab {
    grid-template-areas:
      "tile number"
      "title title";
    align-items: center;
    row-gap: 0.6rem;
    padding: 0.85rem;
  }

  .lab__tab-text {
    display: none;
  }

  .lab__tab-tile {
    width: 2.25rem;
    height: 2.25rem;
  }

  .lab__tab-tile .dot-icon {
    width: 1.35rem;
  }

  .lab-facts__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lab__trace::after,
  .lab__step::before,
  .lab__step-label,
  .lab__tab,
  .lab__example,
  .lab__segments span {
    transition: none;
  }

  .lab__step.is-active::before,
  .lab__step.has-content .lab__step-body,
  .lab-mark.is-flash,
  .lab-bars__bar {
    animation: none;
  }
}