/* Science Investigation Lab (/worlds/science-lab). Layout and the few parts the Language World sheet does not have.
   Tokens and shared components come from ds.css; the help rail, support choice, manuscript, notes and step frame
   are exhibition.css (.ex-*). Nothing here redefines a token. */

.sl-stage,
.sl-hub,
.sl-choose,
.sl-hub-card {
  --bi-es-color: currentColor;
}
.sl-choose {
  max-width: 62rem;
}
.sl-hero .lead,
.sl-choose .lead {
  font-family: var(--font-display);
  font-size: 1.35rem;
}
.sl-hub-side {
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
}
.sl-transfer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  align-items: center;
  margin: var(--s-4) 0 0;
}
.sl-hub-card {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
  align-items: center;
  justify-content: space-between;
}
.sl-hub-card > div {
  flex: 1 1 22rem;
  min-width: 0;
}
.sl-hub-card h2,
.sl-hub-card p {
  margin: 0 0 var(--s-2);
}

/* ── the twelve-step path ────────────────────────────────────────────────── */
.sl-path {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr));
  gap: var(--s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.sl-path-step a {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  min-height: var(--acc-target, 3rem);
  padding: 0.45rem 0.8rem;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.sl-path-step a:hover {
  border-color: var(--room, var(--brand));
}
.sl-path-step.is-current a {
  border-color: var(--room, var(--brand));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--room, var(--brand)) 20%, transparent);
}
.sl-path-step.is-done .ex-path-n {
  background: var(--room, var(--brand));
  color: #fff;
}
.sl-path-d {
  margin-top: var(--s-4);
  padding: var(--s-2) var(--s-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.sl-path-d > summary {
  min-height: var(--acc-target, 3rem);
  display: flex;
  align-items: center;
  font-weight: 700;
  cursor: pointer;
}
.sl-path-d nav {
  padding: var(--s-2) 0 var(--s-3);
}

/* ── a stage ─────────────────────────────────────────────────────────────── */
.sl-stage .ex-step-head {
  align-items: start;
}
.sl-mode {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 0.6rem;
  align-items: center;
  margin: 0;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius);
  border: 1.5px solid var(--line-strong);
  background: var(--surface);
}
.sl-mode .fine {
  grid-column: 2;
}
.sl-mode.is-help {
  border-color: var(--sage-900);
  background: var(--sage-200);
  color: var(--sage-900);
}
.sl-mode.is-help .fine {
  color: var(--sage-900);
}
.sl-msg {
  min-height: 1.5rem;
  margin: var(--s-3) 0 0;
  color: var(--ink);
  font-weight: 700;
}
.sl-msg:empty {
  min-height: 0;
  margin: 0;
}
.sl-work h2,
.sl-collect h2,
.sl-build h2,
.sl-preview h2,
.sl-evidence h2 {
  margin: 0 0 var(--s-3);
  font-size: 1.35rem;
}
.sl-work,
.sl-collect,
.sl-build,
.sl-preview,
.sl-evidence {
  margin: 0;
}
.sl-field textarea,
.sl-field input {
  width: 100%;
  max-width: 100%;
}
.sl-field .fine {
  font-weight: 400;
}
.sl-saved {
  margin: var(--s-2) 0 0;
}
.sl-echo {
  margin: 0 0 var(--s-4);
  padding-inline-start: var(--s-3);
  border-inline-start: 3px solid var(--room, var(--line-strong));
}
.sl-echo .ex-kicker {
  margin-bottom: var(--s-1);
}
.sl-quote-block {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.sl-list {
  display: grid;
  gap: var(--s-1);
  margin: 0;
  padding-inline-start: 1.2rem;
}
.sl-frame {
  margin: 0;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  background: var(--room-soft);
  font-family: var(--font-display);
}

/* ── choices ─────────────────────────────────────────────────────────────── */
.sl-choice {
  margin: 0 0 var(--s-4);
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.sl-choice legend {
  padding: 0 0.25rem;
  font-weight: 700;
}
.sl-radio,
.sl-check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  min-height: var(--acc-target, 3rem);
  padding: 0.35rem 0;
  cursor: pointer;
  overflow-wrap: anywhere;
}
.sl-radio input,
.sl-check input {
  flex: none;
  width: 1.4rem;
  height: 1.4rem;
  margin-top: 0.1rem;
  accent-color: var(--room, var(--brand));
}

/* ── feedback: the learner's words, then a question ──────────────────────── */
.sl-feedback h2 {
  scroll-margin-top: 5rem;
}
.sl-feedback h3 {
  margin: var(--s-3) 0 var(--s-2);
}
.sl-notes {
  display: grid;
  gap: var(--s-3);
  margin: 0;
  padding: 0;
  list-style: none;
}
.sl-notes li {
  display: grid;
  gap: 0.25rem;
  padding-inline-start: var(--s-3);
  border-inline-start: 3px solid var(--sage-500);
}
.sl-quote {
  color: var(--ink-2);
  font-style: italic;
  overflow-wrap: anywhere;
}
.sl-ask {
  margin: 0;
  font-weight: 700;
}
.sl-counter {
  margin: 0 0 var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius);
  background: var(--room-soft);
}
.sl-counter .ex-kicker {
  display: flex;
  gap: 0.4rem;
}
.sl-changes {
  margin: var(--s-3) 0;
}

/* ── collecting and showing data ─────────────────────────────────────────── */
.sl-datanote {
  margin: 0 0 var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.sl-datanote p {
  margin: 0 0 var(--s-1);
}
.sl-runs {
  display: grid;
  gap: var(--s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.sl-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.sl-table {
  width: 100%;
  border-collapse: collapse;
}
.sl-table caption {
  padding: var(--s-2) var(--s-3);
  font-weight: 700;
  text-align: start;
}
.sl-table th,
.sl-table td {
  padding: 0.5rem 0.7rem;
  border-top: 1px solid var(--line);
  text-align: start;
  vertical-align: top;
  overflow-wrap: anywhere;
}
.sl-chart {
  margin: 0;
}
.sl-chart figcaption {
  margin-bottom: var(--s-2);
  font-weight: 700;
}
.sl-bars {
  display: grid;
  gap: var(--s-3);
  margin: 0;
  padding: 0;
  list-style: none;
}
.sl-bars li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
}
.sl-bar-track {
  display: block;
  height: 1.25rem;
  border: 1.5px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
}
.sl-bar-track i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: repeating-linear-gradient(
    135deg,
    var(--room, var(--brand)) 0 8px,
    var(--room-ink, var(--brand)) 8px 12px
  );
}
.sl-bar-val {
  font-weight: 700;
}
.sl-alt {
  margin-top: var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.sl-alt p {
  margin: 0;
}

/* ── presenting ──────────────────────────────────────────────────────────── */
.sl-recorder {
  margin: 0 0 var(--s-4);
}
.sl-takes {
  display: grid;
  gap: var(--s-2);
  margin: var(--s-3) 0 0;
  padding: 0;
  list-style: none;
}
.sl-takes audio {
  display: block;
  width: 100%;
  max-width: 100%;
}

/* ── widths and grade bands ──────────────────────────────────────────────── */
body[data-lab-band="3-5"] .sl-radio,
body[data-lab-band="3-5"] .sl-check {
  min-height: var(--target, 3.25rem);
  font-size: 1.125rem;
}
@media (max-width: 640px) {
  .sl-choice {
    padding: var(--s-3);
  }
}