/* ACCESS Practice Lab — activity shell: context bar, one emphasised instruction, stimulus and response
   panels, practice mode, answer cards for every item type, feedback, audio player, recorder, navigation.
   Uses --room / --room-ink / --room-soft, set by the d-<domain> class on .activity. */

:root {
  --i-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E");
  --i-x: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E");
}

/* ── shell ─────────────────────────────────────────────────────────────── */
.activity {
  display: grid;
  gap: var(--s-4);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}
.act-head {
  padding: var(--s-4) clamp(1.1rem, 3vw, 2rem) clamp(1.1rem, 2.5vw, 1.6rem);
  border: 1px solid var(--line);
  border-top: 6px solid var(--room);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.act-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2) var(--s-4);
}
.act-context,
.act-step {
  margin: 0;
}
.act-context {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.9rem 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--room-soft);
  color: var(--room-ink);
  font-weight: 700;
  font-size: 0.9375rem;
}
.act-journey-label {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.875rem;
  font-weight: 600;
}
.act-return {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
}
.act-step {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-2);
  font-weight: 700;
  font-size: 0.9375rem;
}
.act-step .bar {
  width: 7rem;
}
.act-head h1 {
  margin: var(--s-3) 0 var(--s-3);
  font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.5rem);
  letter-spacing: -0.02em;
}
.done-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  vertical-align: middle;
  padding: 0.15rem 0.7rem 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--right-soft);
  color: var(--right);
  font: 700 0.875rem var(--font);
  letter-spacing: 0;
}
.directions,
.prompt {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
}
.act-head .directions {
  align-items: center;
  flex-wrap: wrap;
  padding: 0.85rem 1.1rem;
  border: 1px solid color-mix(in srgb, var(--room) 28%, transparent);
  border-radius: 16px;
  background: var(--room-soft);
}
.directions-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--room-ink);
}
.act-head .directions p {
  flex: 1 1 18rem;
  max-width: 68ch;
  margin: 0;
  color: var(--ink);
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.45;
}
.act-head .directions .ghost {
  flex: none;
  border: 1.5px solid color-mix(in srgb, var(--room) 45%, transparent);
  background: #fff;
  color: var(--room-ink);
}
.act-head .directions .ghost:hover {
  background: color-mix(in srgb, var(--room) 10%, #fff);
}

.activity-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--s-4);
  align-items: start;
  padding: 0;
}
.activity-workspace > * {
  min-width: 0;
}
.activity-workspace .stimulus,
.activity-workspace .response-workspace {
  margin: 0;
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.activity-workspace .stimulus {
  position: sticky;
  top: 5.25rem;
  max-height: calc(100vh - 6.5rem);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.activity-workspace .response-workspace {
  border: 2px solid color-mix(in srgb, var(--room) 32%, var(--line));
  background: linear-gradient(var(--surface), var(--surface)) padding-box;
}
.workbook-heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 var(--s-4);
  font: 700 1.1875rem/1.2 var(--font);
  letter-spacing: 0;
  color: var(--ink);
}
.workbook-heading > span[aria-hidden="true"] {
  display: grid;
  place-items: center;
  flex: none;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--room);
  color: #fff;
  font-size: 0.975rem;
}
.prompt {
  flex-wrap: wrap;
  margin: var(--s-4) 0 var(--s-2);
}
.prompt-text {
  flex: 1 1 16rem;
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.45;
}
.response-prompt {
  padding-bottom: var(--s-4);
  margin: 0 0 var(--s-4);
  border-bottom: 1px solid var(--line);
}
.stimulus {
  margin-top: 0;
}
.passage {
  max-width: 66ch;
  margin: var(--s-3) 0;
  padding: 0.25rem 0 0.25rem var(--s-4);
  border-left: 4px solid var(--room);
  border-radius: 0;
  background: none;
  font-size: 1.1875rem;
  line-height: 1.8;
}
.passage h3 {
  margin: 0 0 var(--s-2);
  font: 600 1.4rem/1.25 var(--font-display);
}
.passage p {
  margin: 0 0 var(--s-3);
}
.answer-zone {
  margin-top: var(--s-4);
}

/* practice mode: a two-way switch, not a form */
.practice-mode {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: 0 0 var(--s-3);
  padding: 0;
  border: 0;
  background: none;
}
.practice-mode legend {
  float: left;
  width: 100%;
  margin: 0 0 var(--s-2);
  padding: 0;
  color: var(--ink-3);
  font-size: 0.9375rem;
}
.practice-mode label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.9rem;
  padding: 0.4rem 1.1rem;
  border: 1.5px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}
.practice-mode label input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.practice-mode label:hover {
  border-color: var(--ink-3);
}
.practice-mode label:has(input:checked) {
  border-color: var(--room);
  background: var(--room);
  color: #fff;
}
.practice-mode label:has(input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.practice-mode .fine {
  flex-basis: 100%;
  margin: var(--s-1) 0 0;
}

/* supports: calm, tucked, never louder than the task */
details.strategy,
details.helpers,
.draft-history,
.writing-starters,
.stimulus details.helpers {
  border: 0;
  border-radius: 14px;
  background: var(--surface-2);
}
details.strategy > summary,
details.helpers > summary,
.draft-history > summary,
.writing-starters > summary {
  color: var(--ink);
}
details.strategy > summary .ico,
details.helpers > summary .ico {
  color: var(--room-ink);
}
details.strategy[open] > summary,
details.helpers[open] > summary {
  border-bottom: 1px solid var(--line);
}
.helpers-body {
  padding: 0.25rem 1rem 1rem;
}
.helper-title {
  font-size: 1.1rem;
}
.save-explainer,
.practice-evidence {
  font-size: 0.9375rem;
  color: var(--ink-2);
}
.activity .save-explainer {
  margin: 0;
  padding: var(--s-3) 0 0;
  border-top: 1px solid var(--line);
}
.practice-evidence {
  margin: var(--s-3) 0 0;
  padding: var(--s-3) var(--s-4);
  border-radius: 14px;
  background: var(--surface-2);
}
.fresh-attempt {
  margin-block: var(--s-4);
}
.warmup-note {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

/* ── word help, vocabulary, frames ─────────────────────────────────────── */
.helpers h4 {
  margin: var(--s-3) 0 0.35rem;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.chips li {
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.vocab {
  display: grid;
  gap: var(--s-2);
  margin: 0;
}
.vocab div {
  display: grid;
  grid-template-columns: minmax(8rem, 12rem) 1fr;
  gap: var(--s-3);
}
.vocab dt {
  font-weight: 700;
}
.vocab dd {
  margin: 0;
}
.vocab .es {
  display: block;
  margin-top: 0.15rem;
  color: var(--room-ink);
}
.say-word,
.mini-say {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--room-ink);
  cursor: pointer;
}
.frames {
  padding-left: 1.2rem;
}
.frames.inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--s-2) 0;
  padding: 0;
  list-style: none;
}
.frames.inline li {
  padding: 0.4rem 0.9rem;
  border: 1.5px dashed var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
}
.wordbank {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: var(--s-3) 0;
  padding: 0;
  list-style: none;
}
.wordbank li {
  padding: 0.25rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 700;
}
.wordbank li.is-used {
  border-color: var(--right);
  background: var(--right-soft);
  color: var(--right);
}
.writing-starters {
  margin-bottom: var(--s-3);
}
.writing-starters > .wordbank,
.writing-starters > .frames {
  margin: var(--s-3);
}

/* ── listening player ──────────────────────────────────────────────────── */
.listen-player {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--s-3) var(--s-4);
  align-items: center;
  margin: 0 0 var(--s-4);
  padding: var(--s-4);
  border: 1px solid color-mix(in srgb, var(--room) 25%, transparent);
  border-radius: var(--r-lg);
  background: var(--room-soft);
}
.listen-player.is-unavailable {
  display: block;
}
.listen-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  min-height: 4rem;
  padding: 0.5rem 1.6rem 0.5rem 0.6rem;
  border: 0;
  border-radius: 999px;
  background: var(--room);
  color: #fff;
  font: 700 1.2rem var(--font);
  cursor: pointer;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--room) 35%, transparent);
  transition:
    transform 0.12s,
    background-color 0.15s;
}
.listen-btn:hover:not([disabled]) {
  background: var(--room-ink);
}
.listen-btn:active:not([disabled]) {
  transform: scale(0.98);
}
.listen-btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}
.listen-icon {
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 50%;
  background: #fff;
  color: var(--room-ink);
}
.listen-icon .ico {
  width: 1.4rem;
  height: 1.4rem;
  margin-left: 0.1rem;
}
.listen-meta {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--ink-2);
  font-weight: 700;
}
.listen-bars {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 2.2rem;
  flex: none;
}
.listen-bars i {
  width: 4px;
  height: calc(var(--h, 40) * 1%);
  border-radius: 2px;
  background: color-mix(in srgb, var(--room) 45%, #fff);
  transform-origin: center;
}
.listen-player.is-playing .listen-bars i {
  background: var(--room);
  animation: bars 0.9s ease-in-out infinite;
  animation-delay: calc(var(--d, 0) * 40ms);
}
@keyframes bars {
  0%,
  100% {
    transform: scaleY(0.35);
  }
  50% {
    transform: scaleY(1);
  }
}
.listen-player [data-stop-audio] {
  justify-self: start;
}
.speed {
  display: inline-flex;
  justify-self: start;
  gap: 0.25rem;
  margin-left: auto;
  padding: 0.25rem;
  border: 1.5px solid color-mix(in srgb, var(--room) 40%, transparent);
  border-radius: 999px;
  background: #fff;
}
.speed-btn {
  min-height: 2.5rem;
  padding: 0.25rem 0.9rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--room-ink);
  font: 700 0.95rem var(--font);
  cursor: pointer;
}
.speed-btn[aria-pressed="true"] {
  background: var(--room);
  color: #fff;
}
.transcript-body {
  padding: var(--s-2) var(--s-4);
  color: var(--ink-2);
}
.reading-toolbar {
  margin: 0 0 var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius);
  background: var(--room-soft);
}
.reading-toolbar-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2) var(--s-3);
}
.reading-toolbar .speed {
  margin-left: 0;
}
.reading-helper-note {
  margin: var(--s-2) 0 0;
}
.voice-select {
  width: auto;
  min-height: 2.75rem;
  padding-block: 0.3rem;
}
.cognate-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0.3rem 1rem;
  border: 1.5px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font: 700 0.95rem var(--font);
  cursor: pointer;
}
.cognate-toggle-btn.is-active {
  border-color: var(--room);
  background: var(--room);
  color: #fff;
}

/* ── pictures, charts, tables ──────────────────────────────────────────── */
.lab-pictures,
.lab-charts {
  display: grid;
  gap: var(--s-3);
  margin: var(--s-3) 0;
}
.lab-pictures.is-multi,
.lab-charts.is-multi {
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.lab-picture,
.lab-chart {
  max-width: 44rem;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.lab-picture img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 22rem;
  object-fit: contain;
}
.lab-chart {
  padding: var(--s-3);
}
.lab-chart figcaption {
  margin-bottom: 0.25rem;
  font-weight: 700;
}
.lab-chart-svg {
  width: 100%;
  height: auto;
  font-family: var(--font);
}
.lab-chart-svg .grid {
  stroke: var(--line);
}
.lab-chart-svg .axis {
  stroke: var(--ink);
  stroke-width: 2;
}
.lab-chart-svg .tick,
.lab-chart-svg .unit {
  font-size: 13px;
  fill: var(--ink-2);
}
.lab-chart-svg .val,
.lab-chart-svg .lbl {
  font-size: 15px;
  font-weight: 700;
  fill: var(--ink);
}
.pg-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--s-2);
  align-items: center;
}
.pg-label {
  font-weight: 700;
}
.pg-icons {
  font-size: 1.5rem;
  letter-spacing: 0.15em;
}
.lab-table-wrap {
  overflow-x: auto;
  margin: var(--s-3) 0;
}
.lab-table {
  min-width: 18rem;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface);
  font-size: 1.05rem;
}
.lab-table caption {
  padding: 0 0 0.4rem;
  text-align: left;
  font-weight: 700;
}
.lab-table th,
.lab-table td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.lab-table tr:last-child td {
  border-bottom: 0;
}
.lab-table thead th {
  background: var(--surface-2);
}

/* ── answer cards ──────────────────────────────────────────────────────── */
.choices {
  display: grid;
  gap: var(--s-3);
}
.choices.has-pictures {
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
}
.choice {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  min-height: 3.75rem;
  padding: 0.7rem 1rem;
  border: 2px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  font-size: 1.125rem;
  line-height: 1.45;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background-color 0.15s,
    box-shadow 0.15s;
}
.has-pictures .choice {
  flex-direction: column;
  align-items: stretch;
  text-align: center;
}
.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.choice:has(input:focus-visible) {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}
.choice:hover {
  border-color: var(--room);
  background: color-mix(in srgb, var(--room) 4%, #fff);
}
.choice.is-on {
  border-color: var(--room);
  background: var(--room-soft);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--room) 16%, transparent);
}
.choice-letter {
  display: grid;
  place-items: center;
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: #fff;
  color: var(--ink-2);
  font-weight: 700;
  font-size: 0.975rem;
}
.choice.is-on .choice-letter {
  border-color: var(--room);
  background: var(--room);
  color: #fff;
}
.opt-visual {
  display: grid;
  place-items: center;
  flex: none;
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: var(--surface-2);
  font-size: 1.7rem;
  line-height: 1;
}
.opt-picture {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.choice.is-right,
.order-row.is-right,
.sort-row.is-right,
.hot.is-right,
.cloze-blank.is-right select {
  border-color: var(--right);
  background: var(--right-soft);
  box-shadow: none;
}
.choice.is-wrong,
.order-row.is-wrong,
.sort-row.is-wrong,
.hot.is-wrong,
.cloze-blank.is-wrong select {
  border-color: var(--wrong);
  background: var(--wrong-soft);
  box-shadow: none;
}
.choice.is-answer {
  border-color: var(--right);
  border-style: dashed;
}
.choice.is-right::after,
.choice.is-answer::after,
.choice.is-wrong::after {
  content: "";
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  margin-left: auto;
  -webkit-mask: var(--i-check) center / contain no-repeat;
  mask: var(--i-check) center / contain no-repeat;
  background: var(--right);
}
.choice.is-wrong::after {
  -webkit-mask-image: var(--i-x);
  mask-image: var(--i-x);
  background: var(--wrong);
}
.hint-line {
  margin: 0.4rem 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
}
.sorter {
  display: grid;
  gap: var(--s-3);
}
.sort-row {
  padding: 0.85rem 1rem;
  border: 2px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}
.sort-text {
  margin: 0 0 var(--s-2);
  font-weight: 700;
  font-size: 1.1rem;
}
.sort-cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.sort-fix,
.cloze-fix {
  margin: 0.4rem 0 0;
  color: var(--right);
  font-weight: 700;
}
.cloze-fix {
  margin-left: 0.4rem;
}
.orderer {
  display: grid;
  gap: var(--s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.order-row {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  gap: var(--s-3);
  align-items: center;
  padding: 0.6rem 0.8rem;
  border: 2px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  font-size: 1.1rem;
}
.order-n {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--room-soft);
  color: var(--room-ink);
  font-weight: 700;
}
.order-moves {
  display: flex;
  gap: 0.3rem;
}
.move {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1.5px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font-size: 1rem;
  cursor: pointer;
}
.move:hover:not([disabled]) {
  border-color: var(--room);
  background: var(--room-soft);
}
.move[disabled] {
  opacity: 0.3;
  cursor: not-allowed;
}
.cloze {
  font-size: 1.2rem;
  line-height: 2.6;
}
.cloze select {
  width: auto;
  min-height: 2.6rem;
  padding: 0.2rem 0.6rem;
  border: 2px solid var(--room);
  border-radius: 10px;
  background: var(--room-soft);
  color: var(--ink);
  font: 700 1.05rem var(--font);
}
.hottext {
  display: grid;
  gap: var(--s-2);
}
.hot {
  min-height: 3.25rem;
  padding: 0.7rem 1rem;
  border: 2px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  font: 400 1.125rem/1.55 var(--font);
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background-color 0.15s;
}
.hot:hover {
  border-color: var(--room);
}
.hot[aria-pressed="true"] {
  border-color: var(--room);
  background: var(--room-soft);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--room) 16%, transparent);
}
.btn-check {
  width: 100%;
  min-height: 3.5rem;
  margin-top: var(--s-4);
  font-size: 1.125rem;
}
.btn-check.btn-primary {
  background: var(--room);
  border-color: var(--room);
  box-shadow: 0 2px 6px color-mix(in srgb, var(--room) 30%, transparent);
}
.btn-check.btn-primary:hover {
  background: var(--room-ink);
  border-color: var(--room-ink);
}

/* ── feedback ──────────────────────────────────────────────────────────── */
.feedback {
  margin-top: var(--s-4);
  padding: var(--s-4) var(--s-4) var(--s-4) var(--s-5);
  border: 1px solid transparent;
  border-left: 6px solid;
  border-radius: 14px;
}
.feedback p {
  margin: 0.3rem 0;
}
.fb-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
}
.feedback.is-right {
  border-color: var(--right);
  background: var(--right-soft);
}
.feedback.is-right .fb-title {
  color: var(--right);
}
.feedback.is-hint {
  border-color: var(--hint);
  background: var(--hint-soft);
}
.feedback.is-hint .fb-title {
  color: var(--hint);
}
.feedback.is-shown {
  border-color: var(--brand);
  background: var(--brand-soft);
}
.feedback.is-shown .fb-title {
  color: var(--brand-deep);
}
.fb-extra {
  color: var(--ink-2);
}
.feedback .btn {
  margin-top: var(--s-2);
}
.checks {
  margin: 0.4rem 0;
  padding: 0;
  list-style: none;
}
.checks .ok {
  color: var(--right);
}
.saved-note {
  display: flex;
  gap: 0.4rem;
  color: var(--right);
  font-weight: 700;
}

/* ── speaking ──────────────────────────────────────────────────────────── */
.recorder {
  margin: var(--s-3) 0;
  padding: var(--s-4);
  border: 1px solid color-mix(in srgb, var(--room) 28%, transparent);
  border-radius: var(--r-lg);
  background: var(--room-soft);
}
.recorder.is-recording {
  border-color: var(--wrong);
  background: var(--wrong-soft);
}
.rec-main {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  align-items: center;
}
.rec-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 3.5rem;
  padding: 0.5rem 1.5rem;
  border: 0;
  border-radius: 999px;
  background: var(--wrong);
  color: #fff;
  font: 700 1.1rem var(--font);
  cursor: pointer;
  box-shadow: 0 4px 12px rgb(180 35 24 / 28%);
}
.rec-btn:hover {
  background: #8f1b12;
}
.rec-dot {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: #fff;
}
.rec-btn.is-stop .rec-dot {
  border-radius: 3px;
}
.is-recording .rec-dot {
  animation: pulse 0.8s ease-in-out infinite alternate;
}
.rec-live {
  display: flex;
  gap: var(--s-3);
  align-items: center;
  font-weight: 700;
}
.rec-meter {
  width: 10rem;
  height: 1.1rem;
  background: linear-gradient(90deg, var(--right) calc(var(--lvl, 0) * 100%), var(--surface-3) 0);
  -webkit-mask: repeating-linear-gradient(90deg, #000 0 7px, transparent 7px 10px);
  mask: repeating-linear-gradient(90deg, #000 0 7px, transparent 7px 10px);
}
.takes {
  display: grid;
  gap: var(--s-2);
  margin: var(--s-3) 0 0;
  padding: 0;
  list-style: none;
}
.takes li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  background: #fff;
}
.takes audio {
  max-width: 100%;
  height: 2.5rem;
}
.wave {
  display: block;
  width: 100%;
  max-width: 14rem;
  height: 2.5rem;
  fill: currentColor;
  opacity: 0.55;
}
.compare {
  margin-top: var(--s-3);
}
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--s-3);
}
.compare-cell {
  margin: 0;
  padding: var(--s-3);
  border-radius: 12px;
  background: #fff;
}
.compare-cell audio {
  max-width: 100%;
}
.ladder ol {
  display: grid;
  gap: var(--s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.ladder li {
  padding: var(--s-3);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.ladder li.is-you {
  border-color: var(--room);
}
.ladder p {
  margin: 0.25rem 0;
}
.ladder-tier {
  font-weight: 700;
  color: var(--room-ink);
}
.selfcheck {
  margin: var(--s-3) 0;
}
.selfcheck label,
.practiced,
.timer-opt {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  min-height: 2.75rem;
  padding: 0.4rem 0;
  cursor: pointer;
}
.selfcheck em {
  display: block;
  color: var(--ink-2);
  font-size: 0.9375rem;
}
.field.inline {
  display: inline-grid;
}
.task-criteria {
  margin: var(--s-4) 0;
  padding: var(--s-3) var(--s-4);
  border-radius: 14px;
  background: var(--surface-2);
}
.task-criteria h2 {
  margin: 0 0 0.4rem;
  font: 700 1.05rem var(--font);
  letter-spacing: 0;
}
.task-criteria ul {
  margin: 0;
  padding-left: 1.2rem;
}
.saved-note {
  margin: var(--s-3) 0 0;
}

/* ── writing and worksheets ────────────────────────────────────────────── */
.meter {
  margin: var(--s-2) 0;
  font-size: 0.9375rem;
  color: var(--ink-2);
}
.meter-bar {
  display: block;
  height: 0.5rem;
  margin-bottom: 0.3rem;
  border-radius: 999px;
  background: var(--surface-3);
  overflow: hidden;
}
.meter-bar > span {
  display: block;
  height: 100%;
  background: var(--room);
  transition: width 0.3s;
}
.field textarea {
  font-size: 1.125rem;
  line-height: 1.7;
}
.worksheet section {
  margin: var(--s-4) 0;
}
.ws-lines {
  padding-left: 1.4rem;
}
.ws-lines li {
  margin: 0 0 var(--s-3);
}
.ws-line {
  display: block;
  height: 2.2rem;
  border-bottom: 2px solid var(--line-strong);
}
.portfolio-entry {
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--line);
}
.portfolio-response {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.draft-history p {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* ── previous / next ───────────────────────────────────────────────────── */
.act-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--s-3);
  align-items: center;
  margin-top: var(--s-4);
  padding: var(--s-3) 0;
}
.act-nav > :first-child {
  justify-self: start;
}
.act-nav > :last-child {
  justify-self: end;
}
.act-count {
  color: var(--ink-2);
  font-weight: 700;
}

@media (max-width: 860px) {
  .activity-workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .activity-workspace .stimulus {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .activity-workspace .stimulus.has-passage {
    position: sticky;
    top: 0;
    z-index: 10;
    max-height: 40vh;
    overflow-y: auto;
  }
  .lab-top {
    position: static;
  }
}
@media (max-width: 560px) {
  .act-step .bar {
    width: 4.5rem;
  }
  .vocab div {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }
  .listen-player {
    grid-template-columns: minmax(0, 1fr);
  }
  .listen-btn {
    width: 100%;
  }
  .speed {
    margin-left: 0;
  }
  .act-nav {
    grid-template-columns: 1fr 1fr;
  }
  .act-count {
    display: none;
  }
  .pg-row {
    grid-template-columns: 5.5rem 1fr;
  }
}
@media print {
  .activity-workspace {
    display: block;
  }
  .activity-workspace .stimulus,
  .activity-workspace .response-workspace {
    position: static;
    max-height: none;
    border: 0;
    box-shadow: none;
    padding: 0.75rem 0 0;
  }
  .act-head {
    border: 0;
    box-shadow: none;
  }
  .practice-mode,
  .save-explainer,
  .act-nav,
  #labStorageWarning {
    display: none;
  }
  .workbook-heading,
  .prompt,
  .field > span {
    break-after: avoid;
  }
}

.gist-prompt {
  margin: 0 0 var(--s-4);
}
.gist-prompt label {
  display: flex;
  gap: 0.4rem;
  font-size: 0.975rem;
  line-height: 1.4;
  color: var(--ink-2);
}

/* ── reading passage sentences (read-aloud, cognates, evidence) ────────── */
.reading-sentence {
  border-radius: 4px;
  padding-block: 0.2rem;
  cursor: pointer;
  transition: background-color 0.15s;
}
.reading-sentence:hover,
.reading-sentence:focus-visible {
  background: color-mix(in srgb, var(--room) 12%, transparent);
  outline: 2px solid var(--room);
}
.reading-sentence.is-active-reading-sentence {
  background: #fef08a !important;
  color: #111827 !important;
  box-shadow: 0 0 0 2px #facc15;
}
.reading-sentence.has-cognates {
  text-decoration: underline wavy var(--room);
  text-underline-offset: 3px;
}
.revision-coach-card {
  margin-top: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-left: 4px solid var(--room);
  border-radius: 0 12px 12px 0;
  background: var(--surface-2);
}

/* The wrapper scrolls (and is focusable); the table itself must not become a second scroll region. */
.lab-table-wrap table {
  display: table;
  max-width: none;
  overflow: visible;
}
.practice-score {
  margin-block: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--room);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-2);
}
.practice-score h3 { margin: 0.15rem 0 0.4rem; color: var(--ink); }
.practice-score .eyebrow { margin: 0; color: var(--room-ink); font-weight: 700; }
.practice-score ul { display: grid; gap: 0.25rem; margin: 0.75rem 0; padding: 0; list-style: none; }
.practice-score li { display: flex; gap: 0.55rem; align-items: flex-start; }
.practice-score li.is-met > span { color: var(--right); font-weight: 800; }
.practice-score li.is-next > span { color: var(--ink-3); }

/* ── "How sure are you?" — optional, before Check ─────────────────────── */
.sure-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
  margin: var(--s-3) 0;
}
.sure-label {
  font-weight: 700;
  color: var(--ink-2);
}
.sure-note {
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  margin: var(--s-3) 0 0;
  padding: var(--s-2) var(--s-3);
  border-inline-start: 4px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: var(--surface-2);
  color: var(--ink);
}
.sure-note.is-sure-wrong {
  border-inline-start-color: var(--coral);
}
.sure-note.is-lucky {
  border-inline-start-color: var(--accent);
}

/* Narrow containers (phones, the home preview card): the player stacks so its status text never wraps letter by letter. */
.listen-meta {
  flex-wrap: wrap;
}
@media (max-width: 560px) {
  .listen-player {
    grid-template-columns: minmax(0, 1fr);
  }
  .listen-btn {
    justify-self: start;
    max-width: 100%;
  }
  .listen-player .speed {
    margin-left: 0;
  }
}

/* ── studio identity on every activity: the same material as its studio ─── */
.activity.d-listening .act-head {
  background:
    repeating-linear-gradient(0deg, rgb(7 85 104 / 4%) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, #f3faf8, var(--surface));
}
.activity.d-reading .act-head {
  background: var(--grain), var(--ivory);
}
.activity.d-reading .passage {
  padding: var(--s-4) var(--s-5);
  border: 1px solid #e6dfd3;
  border-left: 4px solid var(--room);
  border-radius: 4px 14px 14px 4px;
  background: var(--grain), linear-gradient(180deg, var(--ivory), #f7f2ea);
  box-shadow: 0 18px 30px -24px rgb(29 43 88 / 35%);
}
.activity.d-speaking .act-head {
  background:
    radial-gradient(50% 120% at 100% 0%, rgb(219 163 185 / 22%), transparent 65%),
    var(--surface);
}
.activity.d-speaking .recorder {
  border-color: color-mix(in srgb, var(--speaking) 30%, transparent);
  background: linear-gradient(180deg, #fbf3f6, var(--speaking-soft));
}
.activity.d-writing .act-head {
  background: var(--grain), linear-gradient(180deg, #fdf8f0, var(--surface));
}
.activity.d-writing textarea[data-note] {
  padding-left: 2.75rem;
  background:
    linear-gradient(90deg, transparent 2.1rem, rgb(210 139 88 / 50%) 2.1rem 2.2rem, transparent 2.2rem),
    repeating-linear-gradient(180deg, transparent 0 calc(1.9rem - 1px), #efe1cd calc(1.9rem - 1px) 1.9rem),
    var(--ivory);
  background-position: 0 0.55rem;
  line-height: 1.9rem;
}