/* Learn page — same two-pane course player as NormalFiche. */

html, body {
  height: 100%;
}

body.rn-learn-page {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
}

.rn-learn-page .rn-site {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.rn-learn-page .rn-header {
  flex-shrink: 0;
}

.rn-learn-main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 16px var(--page-pad, 24px) 16px;
}

.course-shell {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
  flex: 1;
  min-height: 0;
}

.course-nav {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--navy-panel);
  border: 1px solid var(--border);
}

.course-progress {
  flex-shrink: 0;
}

.course-progress-off {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--amber);
  cursor: pointer;
}

.course-progress-off:hover {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.course-progress-off[hidden] {
  display: none;
}

.course-progress-label,
.course-kicker {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 8px;
}

.course-progress-bar {
  height: 8px;
  border-radius: 99px;
  background: var(--accent-glow);
  overflow: hidden;
}

.course-progress-bar span {
  display: block;
  height: 100%;
  background: var(--cyan);
  border-radius: 99px;
}

.course-progress-meta,
.course-meta {
  margin: 8px 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.course-done-banner {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  border: 1px solid var(--border-strong);
  font-size: 0.9375rem;
}

.course-lesson-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.course-lesson-btn {
  width: 100%;
  display: flex;
  gap: 8px;
  text-align: left;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

.course-lesson-btn:hover,
.course-lesson-btn.is-on {
  background: rgba(77, 232, 228, 0.1);
}

.course-lesson-btn strong {
  display: block;
  font-size: 0.875rem;
  line-height: 1.35;
}

.course-lesson-btn em {
  display: block;
  font-style: normal;
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.course-num {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  background: rgba(255, 255, 255, 0.08);
}

.course-lesson-btn.is-done .course-num {
  background: rgba(77, 232, 228, 0.25);
  color: var(--cyan);
}

.course-main {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  padding: 8px 8px 28px;
  border-radius: var(--radius);
  background: var(--navy-panel);
  border: 1px solid var(--border);
}

.course-body {
  font-size: 1rem;
  line-height: 1.55;
  max-width: 760px;
  color: var(--text-soft);
}

.course-body h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
  color: var(--text);
}
.course-body h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 26px 0 10px;
  color: var(--text);
}
.course-body h3 {
  font-size: 1rem;
  margin: 18px 0 8px;
  color: var(--text);
}
.course-body p,
.course-body li { margin: 0 0 10px; }
.course-body ul,
.course-body ol { padding-left: 1.3em; }
.course-body code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: var(--accent-glow);
}
.course-body pre {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  overflow: auto;
  background: var(--navy-deep);
}
.course-body pre code { background: none; padding: 0; }
.course-body a { color: var(--cyan); }
.course-table-wrap { overflow-x: auto; margin: 0 0 16px; }
.course-body table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.course-body th,
.course-body td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.course-quiz {
  max-width: 760px;
  margin: 28px 0 0;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--navy-deep);
  border: 1px solid var(--border);
}

.course-quiz h2 { margin: 0 0 8px; font-size: 1.125rem; }
.course-q {
  border: 0;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.course-q legend { font-weight: 650; margin-bottom: 4px; }
.course-q label { display: flex; gap: 8px; align-items: flex-start; cursor: pointer; }
.course-quiz-error { color: #f3a1bd; margin: 12px 0 0; }

.course-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  max-width: 760px;
}

.rn-cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--navy-panel);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}

.rn-cookie-banner[hidden] {
  display: none;
}

.rn-cookie-banner p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  color: var(--text-soft);
}

.rn-cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 860px) {
  .course-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(140px, 34vh) minmax(0, 1fr);
  }
}