/* ACCESS Practice Lab — Whole-Class Language Studio. Projector-first: large type, strong borders, high contrast.
   Domain colour from the d-<domain> class on .classroom-studio. Nothing here stores or shows student responses. */

.classroom-studio {
  display: grid;
  gap: var(--s-4);
  font-size: 1.1rem;
}
.classroom-size-large {
  font-size: 1.35rem;
}
.classroom-size-regular {
  font-size: 1.1rem;
}
.classroom-studio *,
.classroom-studio *::before,
.classroom-studio *::after {
  box-sizing: border-box;
}
.classroom-studio .eyebrow {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  color: var(--room-ink);
  font-size: 0.8em;
  font-weight: 700;
}

/* header and phase rail */
.classroom-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4) var(--s-5);
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 3.5vw, 2.5rem);
  border: 1px solid color-mix(in srgb, var(--room) 28%, var(--line));
  border-radius: var(--r-xl);
  background: var(--room-soft);
}
.classroom-hero h1 {
  margin: var(--s-2) 0;
  color: var(--room-ink);
  font-size: clamp(2.1rem, 1.4rem + 2.8vw, 3.4rem);
  font-weight: 650;
  letter-spacing: -0.028em;
}
.classroom-lead {
  max-width: 44ch;
  margin: 0;
  color: var(--ink);
  font-size: 1em;
  line-height: 1.5;
}
.classroom-hero > div {
  flex: 1 1 28rem;
}
.classroom-hero-mark {
  display: flex;
  flex: none;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.classroom-hero-mark li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 1rem 0.4rem 0.8rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: #fff;
  font: 700 0.8em var(--font);
}
.classroom-hero-mark li + li {
  position: relative;
}

/* teacher controls */
.classroom-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 1rem;
}
.classroom-toolbar label {
  display: grid;
  gap: 0.3rem;
  color: var(--ink-2);
  font-size: 0.9375rem;
  font-weight: 700;
}
.classroom-toolbar select {
  min-width: 12rem;
}
.classroom-toolbar label:first-child select {
  min-width: min(22rem, 100%);
}
.classroom-toolbar .btn[aria-pressed="true"] {
  border-color: var(--room);
  background: var(--room-soft);
}

/* task head */
.classroom-task-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-3) var(--s-5);
  padding: var(--s-2) 0 0;
}
.classroom-domain {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.9rem 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--room);
  color: #fff;
  font: 700 0.75em var(--font);
}
.classroom-domain .ico {
  width: 1.1em;
  height: 1.1em;
}
.classroom-task-head h2 {
  margin: var(--s-2) 0 var(--s-1);
  font-size: clamp(1.9rem, 1.3rem + 2.2vw, 3rem);
  letter-spacing: -0.022em;
}
.classroom-task-head p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.95em;
}
.classroom-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  font-size: 1rem;
}
.classroom-meta span {
  padding: 0.2rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 0.875rem;
  font-weight: 700;
}

/* the two working panels */
.classroom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--s-4);
  align-items: start;
}
.classroom-panel,
.classroom-reveal {
  min-width: 0;
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  border: 2px solid color-mix(in srgb, var(--room) 30%, var(--line-strong));
  border-top: 6px solid var(--room);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.classroom-step {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
}
.classroom-step > span,
.classroom-closed > span {
  display: grid;
  place-items: center;
  flex: none;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font: 650 1.05rem var(--font-display);
}
.classroom-step h3 {
  margin: 0.1rem 0 0.3rem;
  font: 650 1.35em/1.2 var(--font-display);
}
.classroom-step p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9em;
  line-height: 1.5;
}
.classroom-audio {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
  margin: var(--s-4) 0;
  padding: var(--s-3) var(--s-4);
  border: 2px solid color-mix(in srgb, var(--room) 35%, var(--line));
  border-radius: var(--radius);
  background: var(--room-soft);
  font-size: 1rem;
}
.classroom-audio > div:nth-child(2) {
  display: grid;
  flex: 1 1 8rem;
}
.classroom-audio > div span {
  color: var(--ink-2);
  font-size: 0.875rem;
}
.sound-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: #fff;
  color: var(--room-ink);
}
.classroom-audio .btn {
  min-height: 3.25rem;
  font-size: 1.0625rem;
}
.classroom-section-title {
  margin: var(--s-4) 0 var(--s-1);
  font-size: 1.1em;
}
.classroom-instruction {
  margin: 0 0 var(--s-3);
  color: var(--ink-2);
  font-size: 0.8em;
}
.classroom-sources {
  display: grid;
  gap: var(--s-2);
}
.classroom-source {
  display: grid;
  gap: 0.2rem;
  padding: var(--s-3) var(--s-4);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  text-align: left;
  line-height: 1.45;
  cursor: pointer;
  transition:
    border-color 0.15s,
    background-color 0.15s;
}
.classroom-source:hover {
  border-color: var(--room);
}
.classroom-source-number {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink-2);
  font: 700 0.7em var(--font);
}
.classroom-source.is-marked {
  border: 3px solid var(--room);
  background: var(--room-soft);
  box-shadow: inset 8px 0 0 var(--room);
}
.classroom-source.is-marked .classroom-source-number {
  color: var(--room-ink);
}
.classroom-note-label {
  display: grid;
  gap: 0.3rem;
  margin-top: var(--s-4);
  color: var(--ink-2);
  font-size: 0.8em;
  font-weight: 700;
}
.classroom-note-label textarea {
  min-height: 4.5rem;
  font-size: 1rem;
}

/* sentence building */
.classroom-sentences {
  display: grid;
  gap: var(--s-2);
  margin: var(--s-4) 0;
  padding: 0;
  list-style: none;
}
.classroom-sentence-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: stretch;
  gap: var(--s-2);
}
.classroom-pos {
  display: grid;
  place-items: center;
  width: 2.4rem;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  font: 650 0.9em var(--font-display);
}
.classroom-sentence-text {
  display: flex;
  align-items: center;
  min-height: 4rem;
  padding: 0.7rem 1rem;
  border: 2px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface-2);
  line-height: 1.4;
}
.classroom-moves {
  display: grid;
  gap: 0.25rem;
}
.classroom-move {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.2rem;
}
.classroom-move.is-up .ico {
  transform: rotate(180deg);
}
.classroom-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.classroom-feedback {
  display: grid;
  gap: 0.25rem;
  margin-top: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border: 2px solid;
  border-radius: var(--radius-sm);
}
.classroom-feedback strong {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.classroom-feedback span {
  font-size: 0.9em;
}
.classroom-feedback.is-good {
  border-color: var(--right);
  background: var(--right-soft);
}
.classroom-feedback.is-good strong {
  color: var(--right);
}
.classroom-feedback.is-coach {
  border-color: var(--hint);
  background: var(--hint-soft);
}
.classroom-feedback.is-coach strong {
  color: var(--hint);
}
.classroom-scaffold {
  margin-top: var(--s-4);
  padding: var(--s-3) var(--s-4);
  border-left: 6px solid var(--room);
  border-radius: 6px var(--radius-sm) var(--radius-sm) 6px;
  background: var(--room-soft);
}
.classroom-scaffold strong {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--room-ink);
}
.classroom-scaffold p {
  margin: var(--s-1) 0 var(--s-3);
  line-height: 1.5;
}
.classroom-vocab {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.classroom-vocab span {
  padding: 0.2rem 0.8rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: #fff;
  font: 700 0.8em var(--font);
}

/* reveal */
.classroom-closed {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 1rem;
}
.classroom-closed p {
  flex: 1;
  margin: 0;
  color: var(--ink-2);
}
.classroom-reveal {
  display: grid;
  gap: var(--s-4);
}
.classroom-reveal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-4);
}
.classroom-reveal-grid article,
.classroom-compare-grid article {
  padding: var(--s-4);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}
.classroom-question {
  border-color: var(--ink) !important;
  background: var(--ink) !important;
  color: #fff;
}
.classroom-question .eyebrow {
  color: #cfe0fd;
}
.classroom-question h3 {
  margin: var(--s-2) 0 var(--s-3);
  color: #fff;
  font: 600 1.45em/1.35 var(--font-display);
}
.classroom-question .btn {
  border-color: #fff;
}
.classroom-model {
  border-color: var(--room) !important;
  background: var(--room-soft) !important;
}
.classroom-model p {
  margin: var(--s-2) 0;
  font-size: 1.05em;
  line-height: 1.55;
}
.classroom-compare {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius);
  background: var(--surface-2);
}
.classroom-compare h3,
.classroom-compare p {
  margin: 0.15rem 0;
}
.classroom-compare p {
  color: var(--ink-2);
  font-size: 0.9em;
}
.classroom-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-3);
}
.classroom-compare-grid p {
  margin: var(--s-1) 0 0;
  line-height: 1.5;
}
.classroom-transfer {
  padding: var(--s-4) var(--s-5);
  border: 2px dashed color-mix(in srgb, var(--room) 50%, var(--line-strong));
  border-radius: var(--radius);
}
.classroom-transfer h3 {
  margin: var(--s-1) 0;
  font: 650 1.3em/1.25 var(--font-display);
}
.classroom-transfer p {
  margin: var(--s-2) 0;
  line-height: 1.5;
}
.classroom-transfer .fine {
  font-size: 0.75em;
}
.classroom-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-2) var(--s-4);
  color: var(--ink-3);
  font-size: 0.875rem;
}
.classroom-studio .btn {
  font-size: 1rem;
}
.classroom-studio button:disabled {
  opacity: 0.4;
}

@media (max-width: 980px) {
  .classroom-grid,
  .classroom-reveal-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .classroom-compare-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .classroom-size-large {
    font-size: 1.2rem;
  }
}
@media (max-width: 700px) {
  .classroom-hero-mark {
    flex: 1 1 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }
}
@media (max-width: 560px) {
  .classroom-size-large {
    font-size: 1.1rem;
  }
  .classroom-toolbar label,
  .classroom-toolbar select,
  .classroom-toolbar .btn {
    width: 100%;
    min-width: 0;
  }
  .classroom-audio .btn {
    flex: 1 1 100%;
  }
  .classroom-sentence-row {
    grid-template-columns: auto minmax(0, 1fr);
  }
  .classroom-moves {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }
  .classroom-closed {
    flex-wrap: wrap;
  }
  .classroom-closed .btn {
    width: 100%;
  }
}

@media print {
  body:has(.classroom-studio) * {
    visibility: hidden !important;
  }
  .classroom-studio,
  .classroom-studio * {
    visibility: visible !important;
  }
  .classroom-studio {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    max-width: none;
    padding: 0.3in;
    font-size: 12pt;
  }
  .classroom-hero {
    padding: 0.2in;
    background: #fff !important;
  }
  .classroom-hero-mark,
  .classroom-toolbar,
  .classroom-actions,
  .classroom-move,
  .classroom-moves,
  .classroom-audio button,
  .classroom-closed button,
  .classroom-compare button {
    display: none !important;
  }
  .classroom-panel,
  .classroom-reveal {
    break-inside: avoid;
    box-shadow: none;
  }
  .classroom-grid {
    grid-template-columns: 1fr 1fr;
  }
  .classroom-question {
    background: #fff !important;
    color: #000;
  }
  .classroom-question h3 {
    color: #000;
  }
  .classroom-note-label textarea {
    min-height: 0.5in;
  }
  .classroom-footer {
    font-size: 9pt;
  }
}