/* CIRA CLASSROOM — Fluency / One-track AD-20 page.
   Outer Unit geometry is owned exclusively by learning-shell.css. */

/* Unit 01 milestone framing: editorial content only.
   Preserve the approved shared shell, full-track audio player and navigation. */
.fluency-milestone {
  width: 100%;
  margin: 0 0 18px;
  padding: clamp(19px, 3.3vw, 29px);
  border: 1px solid #ebdfb9;
  border-left: 5px solid var(--cira-red);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-cream);
}
.fluency-milestone__eyebrow,
.fluency-decision__eyebrow {
  margin: 0 0 10px;
  color: var(--cira-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .09em;
  line-height: 1.4;
}
.fluency-milestone h4 {
  max-width: 710px;
  margin: 0 0 15px;
  color: var(--cira-primary);
  font-size: clamp(21px, 2.5vw, 29px);
  font-weight: 850;
  line-height: 1.22;
  letter-spacing: -.02em;
}
.fluency-milestone > p:not(.fluency-milestone__eyebrow) {
  max-width: 740px;
  margin: 0 0 13px;
  color: var(--cira-text);
  font-size: 15px;
  line-height: 1.65;
}
.fluency-milestone > .fluency-milestone__line {
  margin: 17px 0 0;
  padding: 13px 16px;
  border-left: 3px solid var(--cira-red);
  border-radius: 0 8px 8px 0;
  background: rgba(255,255,255,.7);
  color: var(--cira-primary);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
}
/* Deep source-immersion is a required preparation before the Fluency checkpoint. */
.fluency-preparation {
  margin: 0 0 18px;
  padding: clamp(18px, 2.5vw, 24px);
  border: 1px solid var(--cira-border);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface-soft);
}
.fluency-preparation__eyebrow {
  margin: 0 0 9px;
  color: var(--cira-red);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: .08em;
}
.fluency-preparation h4 {
  margin: 0 0 12px;
  color: var(--cira-primary);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 850;
  line-height: 1.3;
}
.fluency-preparation p:not(.fluency-preparation__eyebrow) {
  margin: 0 0 12px;
  color: var(--cira-text);
  font-size: 15px;
  line-height: 1.65;
}
.fluency-preparation__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 17px;
  padding-top: 16px;
  border-top: 1px solid var(--cira-border);
}
.fluency-preparation__actions a,
.fluency-decision__outcomes a {
  color: var(--cira-red);
  font-size: 14px;
  font-weight: 800;
  text-underline-offset: 3px;
}
.fluency-preparation__actions a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.fluency-instructions {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin: 0 0 20px;
  padding: 17px 19px;
  border: 1px solid var(--cira-border);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface-soft);
}
.fluency-instructions__mark {
  flex: 0 0 76px;
  display: grid;
  place-items: center;
  min-height: 45px;
  padding: 7px;
  border-radius: 10px;
  background: var(--cira-yellow);
  color: var(--cira-primary);
  font-size: 14px;
  font-weight: 900;
}
.fluency-instructions h4 {
  margin: 0 0 5px;
  color: var(--cira-primary);
  font-size: 17px;
  font-weight: 850;
  line-height: 1.3;
}
.fluency-instructions p {
  margin: 0;
  color: var(--cira-text);
  font-size: 14px;
  line-height: 1.6;
}
.fluency-decision {
  margin: 19px 0 0;
  padding: 22px 24px;
  border: 1px solid var(--cira-border);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface-soft);
}
.fluency-decision h4 {
  margin: 0 0 10px;
  color: var(--cira-primary);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 850;
  line-height: 1.3;
}
.fluency-decision > p:not(.fluency-decision__eyebrow) {
  margin: 0 0 14px;
  color: var(--cira-text);
  font-size: 15px;
  line-height: 1.65;
}
.fluency-decision__outcomes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 17px 0;
}
.fluency-decision__outcomes p {
  margin: 0;
  padding: 15px 16px;
  border: 1px solid var(--cira-border);
  border-radius: 10px;
  background: var(--cira-surface);
  color: var(--cira-text);
  font-size: 14px;
  line-height: 1.57;
}
.fluency-decision__outcomes strong {
  color: var(--cira-primary);
}
.fluency-decision .fluency-decision__footnote {
  margin: 0;
  color: var(--cira-text-muted);
  font-size: 13px;
}
.fluency-decision__footnote a {
  color: var(--cira-red);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.fluency-stage-menu { gap: 2px; }
.fluency-stage-menu__pending {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 13px;
  color: var(--cira-text-muted);
  font-size: 13px;
  font-weight: 750;
  opacity: .6;
  cursor: not-allowed;
  white-space: nowrap;
}
.fluency-help {
  display: flex;
  gap: 15px;
  align-items: center;
  padding: 16px 18px;
  margin-bottom: 18px;
  border: 1px solid #ebdfb9;
  border-radius: var(--cira-radius-panel);
  background: var(--cira-cream);
}
.fluency-help__mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  min-width: 74px;
  min-height: 45px;
  border-radius: 10px;
  background: var(--cira-yellow);
  color: var(--cira-primary);
  font-size: 14px;
  font-weight: 900;
}
.fluency-help p { margin: 0; font-size: 14px; line-height: 1.55; }
.fluency-help a { color: var(--cira-red); font-weight: 750; }

.fluency-card {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--cira-border);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface);
  box-shadow: 0 3px 12px rgba(38, 52, 66, .045);
}
.fluency-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.fluency-card__eyebrow {
  margin: 0 0 5px;
  color: var(--cira-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .075em;
}
.fluency-card h4 {
  margin: 0;
  color: var(--cira-primary);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.25;
  font-weight: 800;
}
.fluency-card__duration {
  color: var(--cira-text-muted);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.fluency-card__controls {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 18px;
  min-height: 48px;
}
.fluency-card__time {
  text-align: left;
  white-space: nowrap;
  color: var(--cira-text-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.fluency-card__track {
  min-width: 0;
  height: 7px;
  background: #e9edf1;
  border-radius: 999px;
  overflow: hidden;
}
.fluency-card__fill {
  width: 0%;
  height: 100%;
  background: var(--cira-red);
  border-radius: inherit;
}
.fluency-card__play {
  display: grid;
  place-items: center;
  justify-self: end;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--cira-red);
  border-radius: 50%;
  color: #fff;
  background: var(--cira-red);
  font: inherit;
  font-size: 20px;
  cursor: pointer;
}
.fluency-card__play:hover { background: #aa1c29; }
.fluency-card__play:focus-visible {
  outline: 3px solid var(--cira-focus);
  outline-offset: 3px;
}
.fluency-card__cue {
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 12px 15px;
  margin-top: 20px;
  border-radius: 10px;
  background: var(--cira-surface-soft);
  color: var(--cira-primary);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}
.fluency-card__cue.is-repeat {
  background: var(--cira-cream);
  color: var(--cira-primary);
}
.fluency-card__cue.is-done {
  background: var(--cira-surface-soft);
  color: var(--cira-primary);
}

.fluency-transcript {
  margin-top: 18px;
  border: 1px solid var(--cira-border);
  border-radius: var(--cira-radius-panel);
  background: var(--cira-surface);
  overflow: hidden;
}
.fluency-transcript > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 12px 16px;
  list-style: none;
  cursor: pointer;
  color: var(--cira-primary);
  font-size: 15px;
  font-weight: 800;
}
.fluency-transcript > summary::-webkit-details-marker { display: none; }
.fluency-transcript > summary::marker { content: ""; }
.fluency-transcript > summary:hover,
.fluency-transcript[open] > summary { background: var(--cira-cream); }
.fluency-transcript > summary:focus-visible {
  outline: 3px solid var(--cira-focus);
  outline-offset: -3px;
}
.fluency-transcript__indicator {
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--cira-yellow);
  color: var(--cira-primary);
  font-size: 24px;
  font-weight: 500;
}
.fluency-transcript[open] .fluency-transcript__indicator {
  background: var(--cira-red);
  color: #fff;
}
.fluency-transcript__list {
  margin: 0;
  padding: 10px 24px 18px 43px;
  border-top: 1px solid var(--cira-border);
  color: var(--cira-primary);
  line-height: 1.65;
  font-size: 15px;
}
.fluency-transcript__list li { padding: 6px 0 6px 5px; }

@media (max-width: 767px) {
  .fluency-milestone { padding: 18px 15px; }
  .fluency-preparation { padding: 17px 14px; }
  .fluency-preparation p:not(.fluency-preparation__eyebrow) { font-size: 14px; }
  .fluency-milestone > p:not(.fluency-milestone__eyebrow) { font-size: 14px; }
  .fluency-milestone > .fluency-milestone__line { font-size: 15px; }
  .fluency-instructions { gap: 10px; padding: 13px; }
  .fluency-instructions__mark { flex-basis: 54px; min-height: 40px; font-size: 11px; }
  .fluency-decision { padding: 17px 14px; }
  .fluency-decision__outcomes { grid-template-columns: minmax(0, 1fr); }
  .fluency-stage-menu { max-width: 47vw; }
  .fluency-help { gap: 10px; padding: 13px; align-items: flex-start; }
  .fluency-help__mark { min-width: 54px; min-height: 40px; font-size: 11px; }
  .fluency-card { padding: 18px 13px; }
  .fluency-card__controls { grid-template-columns: 78px minmax(0, 1fr) 48px; gap: 9px; }
  .fluency-card__time { font-size: 11px; }
  .fluency-card__cue { margin-top: 16px; font-size: 14px; }
  .fluency-transcript__list { padding-left: 33px; padding-right: 12px; }
}

/* Chapter2 opt-in text transport, matching Build controls. */
.fluency-card__transport { display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.fluency-card__transport .fluency-card__play, .fluency-card__stop { width:auto; min-width:90px; min-height:44px; height:44px; padding:8px 14px; border:0; border-radius:9px; font:inherit; font-size:14px; font-weight:800; cursor:pointer; color:white; background:var(--cira-primary); }
.fluency-card__stop { background:var(--cira-red); }
.fluency-card__stop:disabled { opacity:.45; cursor:default; }
.fluency-card:has(.fluency-card__transport) .fluency-card__controls { grid-template-columns:auto minmax(0,1fr) auto; }
@media(max-width:767px) { .fluency-card:has(.fluency-card__transport) .fluency-card__controls { grid-template-columns:auto minmax(0,1fr); } .fluency-card__transport { grid-column:1 / -1; justify-content:flex-end; } }