/* ── LEARN RBI — COURSE STYLES ──────────────────────────────
   Built on the shared design tokens in style.css (:root).
   Loaded only on /learn/ pages, after style.css.
─────────────────────────────────────────────────────────── */

/* ── COURSE HEADER (breadcrumb + audience toggle) ──────────── */
.course-header {
  background: var(--off-white);
  border-bottom: 1px solid var(--gray-200);
  padding: 1.25rem 0;
  margin-top: 64px; /* clears fixed .nav */
}
.course-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.course-header__crumb {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.course-header__crumb a { color: var(--gray-400); }
.course-header__crumb a:hover { color: var(--navy); }

.audience-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--gray-100);
  border-radius: 20px;
  padding: 3px;
}
.audience-toggle button {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all var(--transition);
}
.audience-toggle button.active {
  background: var(--navy);
  color: var(--white);
}

/* ── SEGMENTED PROGRESS BAR ─────────────────────────────────── */
.course-progress {
  display: flex;
  gap: 6px;
  margin-top: 1rem;
}
.course-progress__seg {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--gray-200);
  position: relative;
}
.course-progress__seg--completed { background: var(--teal); }
.course-progress__seg--current   { background: var(--orange); }
.course-progress__seg a {
  position: absolute;
  inset: -10px 0;
  display: block;
}
.course-progress__labels {
  display: flex;
  gap: 6px;
  margin-top: 0.4rem;
}
.course-progress__labels span {
  flex: 1;
  text-align: center;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--gray-400);
}
.course-progress__labels span.is-current { color: var(--orange); }
.course-progress__labels span.is-completed { color: var(--teal); }

/* ── MODULE GRID (landing page) ─────────────────────────────── */
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.module-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
a.module-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.module-card--locked { opacity: 0.55; cursor: not-allowed; }
.module-card--completed { border-color: var(--teal); }
.module-card__num {
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}
.module-card h3 { color: var(--navy); margin-bottom: 0.5rem; font-size: 1.15rem; }
.module-card__time {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.module-card__outcome { font-size: 0.85rem; margin-top: 0.6rem; }
.module-card__check {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}
.module-card__lock {
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* ── MODULE CONTENT ──────────────────────────────────────────── */
.module-shell { padding: 3.5rem 0 5rem; }
.module-shell .container--narrow { max-width: 720px; }
.module-shell h2 { color: var(--navy); margin: 2.5rem 0 1rem; }
.module-shell h2:first-of-type { margin-top: 0; }
.module-shell h3 { color: var(--navy); margin: 1.75rem 0 0.75rem; }
.module-shell p { font-size: 1.0625rem; line-height: 1.75; margin-bottom: 1.1rem; }
.module-shell ul, .module-shell ol { margin: 0 0 1.1rem 1.25rem; }
.module-shell li { font-size: 1.0625rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 0.4rem; list-style: disc; }
.module-shell table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.module-shell th, .module-shell td {
  border: 1px solid var(--gray-200);
  padding: 0.75rem 0.9rem;
  text-align: left;
  vertical-align: top;
}
.module-shell th { background: var(--off-white); color: var(--navy); font-weight: 600; }

.module-hook {
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--navy);
  margin-bottom: 2rem;
}

/* ── OUTCOME CARDS (Module 1) ───────────────────────────────── */
.outcome-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 1.5rem 0; }
.outcome-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.outcome-card__val { font-family: var(--serif); font-size: 2rem; color: var(--navy); margin-bottom: 0.4rem; }
.outcome-card__label { font-weight: 600; font-size: 0.9rem; color: var(--teal); margin-bottom: 0.5rem; }
.outcome-card__desc { font-size: 0.82rem; }
.outcome-cite { font-size: 0.8rem; color: var(--gray-400); margin-top: 0.5rem; }

/* ── ACTIVITY PANEL ──────────────────────────────────────────── */
.activity-panel {
  background: var(--teal-lt);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 1.75rem 2rem;
  margin: 2rem 0;
}
.activity-panel__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}
.activity-panel textarea {
  width: 100%;
  min-height: 90px;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.85rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  resize: vertical;
}
.activity-panel textarea:focus { outline: 2px solid var(--teal); outline-offset: 1px; }

/* click-to-label */
.label-target {
  cursor: pointer;
  border-bottom: 2px dashed var(--orange);
  position: relative;
}
.label-target:focus-visible, .label-target:hover { background: var(--orange-lt); }
.label-target.is-labeled-correct { border-bottom-color: var(--teal); background: var(--teal-lt); }
.label-popover {
  position: absolute;
  z-index: 10;
  top: 100%; left: 0;
  margin-top: 6px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem;
  width: 220px;
}
.label-popover button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.6rem;
  font-size: 0.85rem;
  border-radius: var(--radius);
}
.label-popover button:hover { background: var(--off-white); }
.label-feedback { font-size: 0.82rem; margin-top: 0.5rem; padding: 0.5rem 0.65rem; border-radius: var(--radius); }
.label-feedback--correct { background: var(--teal-lt); color: var(--teal); }
.label-feedback--incorrect { background: var(--orange-lt); color: var(--orange); }

/* checkbox-violations (Module 3) */
.violation-options { display: flex; flex-direction: column; gap: 0.5rem; margin: 1rem 0; }
.violation-options label { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.95rem; color: var(--gray-900); }
.violation-options input { margin-top: 4px; }

/* rewrite drill (Module 4) */
.rewrite-round { border-top: 1px solid var(--gray-200); padding-top: 1.25rem; margin-top: 1.25rem; }
.rewrite-round:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.rewrite-round__vague { font-style: italic; color: var(--gray-600); margin-bottom: 0.75rem; }
.rewrite-model {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-top: 1rem;
  font-size: 0.92rem;
}
.rewrite-model strong { color: var(--teal); display: block; margin-bottom: 0.3rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.self-rate { display: flex; gap: 0.75rem; margin-top: 0.85rem; flex-wrap: wrap; }
.self-rate button {
  font-size: 0.8rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  color: var(--gray-600);
}
.self-rate button.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* sort activity (Module 5) */
.sort-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.sort-table td { padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--gray-200); font-size: 0.92rem; vertical-align: middle; }
.sort-table select { font-family: var(--sans); font-size: 0.85rem; padding: 0.4rem 0.5rem; border: 1px solid var(--gray-200); border-radius: var(--radius); }
.sort-row--correct td:first-child { color: var(--teal); }
.sort-row--incorrect td:first-child { color: var(--orange); }

/* ── KNOWLEDGE CHECK ─────────────────────────────────────────── */
.kcheck { margin-top: 3rem; border-top: 2px solid var(--gray-200); padding-top: 2.5rem; }
.kcheck h2 { margin-top: 0; }
.kcheck__q {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.kcheck__q legend {
  font-weight: 600;
  color: var(--navy);
  font-size: 1rem;
  margin-bottom: 0.85rem;
  padding: 0;
}
.kcheck__opt { display: flex; align-items: flex-start; gap: 0.6rem; padding: 0.5rem 0; cursor: pointer; }
.kcheck__opt input { margin-top: 5px; }
.kcheck__opt span { font-size: 0.95rem; }
.kcheck__q.is-correct { border-color: var(--teal); background: var(--teal-lt); }
.kcheck__q.is-incorrect { border-color: var(--orange); background: var(--orange-lt); }
.kcheck__feedback { font-size: 0.88rem; margin-top: 0.85rem; padding-top: 0.85rem; border-top: 1px solid rgba(0,0,0,0.08); }
.kcheck__result {
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius-lg);
  margin-top: 1.5rem;
}
.kcheck__result--pass { background: var(--teal-lt); }
.kcheck__result--fail { background: var(--orange-lt); }
.kcheck__result h3 { color: var(--navy); margin-bottom: 0.5rem; }

/* ── CHECKLIST (Module 6) ───────────────────────────────────── */
.course-checklist { display: flex; flex-direction: column; gap: 0.75rem; margin: 1.5rem 0; }
.course-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  font-size: 0.95rem;
  cursor: pointer;
}
.course-checklist input { margin-top: 3px; }
.course-checklist label.is-checked { background: var(--teal-lt); }

.reflection-callout {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin: 1.5rem 0;
}
.reflection-callout p { color: rgba(255,255,255,0.85); }
.reflection-callout blockquote { font-style: italic; color: var(--white); border-left: 3px solid var(--orange); padding-left: 1rem; margin: 0.75rem 0; }

/* ── AUDIENCE SELECTOR MODAL ─────────────────────────────────── */
.audience-modal {
  position: fixed; inset: 0;
  background: rgba(21,37,72,0.6);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
  padding: 1.5rem;
}
.audience-modal.visible { opacity: 1; pointer-events: auto; }
.audience-modal__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 560px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}
.audience-modal h2 { color: var(--navy); margin-bottom: 0.5rem; }
.audience-modal__options { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.audience-modal__opt {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
}
.audience-modal__opt:hover, .audience-modal__opt:focus-visible { border-color: var(--orange); background: var(--orange-lt); }
.audience-modal__opt strong { display: block; color: var(--navy); margin-bottom: 0.3rem; }
.audience-modal__opt span { font-size: 0.82rem; }

/* ── MODULE NAV (prev/next) ─────────────────────────────────── */
.module-footer-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

/* ── CERTIFICATE PAGE ────────────────────────────────────────── */
.cert-card {
  background: var(--off-white);
  border: 2px solid var(--navy);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  margin: 2rem 0;
}
.cert-card h2 { color: var(--navy); }
.cert-card input[type="text"] {
  font-family: var(--serif);
  font-size: 1.4rem;
  text-align: center;
  border: none;
  border-bottom: 2px solid var(--orange);
  background: transparent;
  padding: 0.4rem;
  margin: 0.75rem 0;
  width: 100%;
  max-width: 360px;
}
.cert-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2rem 0; text-align: left; }
.cert-summary__row { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 0.5rem 0; border-bottom: 1px solid var(--gray-200); }
.share-row { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1.5rem; flex-wrap: wrap; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .module-grid { grid-template-columns: 1fr 1fr; }
  .outcome-cards { grid-template-columns: 1fr; }
  .cert-summary { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .module-grid { grid-template-columns: 1fr; }
  .audience-modal__options { grid-template-columns: 1fr; }
  .course-header__inner { flex-direction: column; align-items: flex-start; }
}