/* Learning paths — public reference pages.
   Uses the site's existing custom properties so both themes work without a
   second palette. Adding new colours here would mean maintaining two. */

.learning-note,
.learning-overview {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
  color: var(--text);
}

.learning-eyebrow {
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: .25rem;
}

.learning-crumbs { font-size: .85rem; color: var(--muted); margin-bottom: .5rem; }
.learning-crumbs a { color: var(--moss); }
.learning-kind { text-transform: uppercase; letter-spacing: .06em; }

.learning-meta { color: var(--muted); font-size: .9rem; }

.learning-tags { margin: .5rem 0 1rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.learning-tag {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .1rem .6rem;
  font-size: .78rem;
  color: var(--muted);
}

/* ---- rendered note body ---- */
.learning-body { line-height: 1.65; }
.learning-body h2 { margin-top: 2rem; }
.learning-body h3 { margin-top: 1.5rem; }
.learning-body a { color: var(--moss); }
.learning-body blockquote {
  border-left: 3px solid var(--border);
  margin: 1rem 0;
  padding: .25rem 0 .25rem 1rem;
  color: var(--muted);
}
.learning-body table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
.learning-body th, .learning-body td {
  border: 1px solid var(--border);
  padding: .4rem .6rem;
  text-align: left;
}
.learning-body th { background: var(--panel-soft); }

/* A broken wikilink renders as inline CODE (see rendering.substitute_wikilinks).
   Styled to read as "this points nowhere" rather than as ordinary code. */
.learning-body code {
  background: var(--panel-soft);
  border: 1px dashed var(--border);
  border-radius: 4px;
  padding: 0 .3rem;
  font-size: .92em;
}

/* KaTeX inherits the page colour so display maths works in both themes. */
.learning-body .katex { color: var(--text); }
.learning-body .katex-display { overflow-x: auto; overflow-y: hidden; padding: .25rem 0; }

/* ---- panels ---- */
.learning-panel {
  margin-top: 2rem;
  padding: 1rem 1.2rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.learning-panel h3 { margin: 0 0 .6rem; font-size: 1rem; }

.learning-list { margin: 0; padding-left: 1.2rem; }
.learning-list li { margin: .3rem 0; }
.learning-list a { color: var(--moss); }

.learning-tasks { margin: 0; padding-left: 1.2rem; color: var(--muted); }
.learning-tasks li { margin: .3rem 0; }

.learning-index {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .9rem;
}
.learning-index a { color: var(--moss); }

.learning-part { margin-bottom: 1.4rem; }
.learning-part h4 { margin: 0 0 .4rem; font-size: .95rem; color: var(--muted); }

.learning-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: .9rem;
}
.learning-pager a { color: var(--moss); }

@media (max-width: 640px) {
  .learning-pager { flex-direction: column; }
}

/* ---- private study layer (Phase 4) ---- */

.learning-study-link { margin: 1rem 0 0; font-size: .9rem; }
.learning-study-link a { color: var(--moss); font-weight: 600; }

.learning-studybar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  padding: .6rem .8rem;
  margin-bottom: 1.2rem;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: .9rem;
}
.learning-studybar form { display: flex; align-items: center; gap: .5rem; margin: 0; }
.learning-viewpublic { margin-left: auto; color: var(--moss); }

.learning-select,
.learning-input,
.learning-editor {
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .4rem .6rem;
  font: inherit;
}
.learning-input, .learning-editor { width: 100%; margin-bottom: .6rem; }
.learning-editor { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9rem; }

.learning-panel button {
  background: var(--moss);
  color: var(--bg);
  border: 0;
  border-radius: 6px;
  padding: .4rem .9rem;
  font: inherit;
  cursor: pointer;
}
.learning-panel button:hover { filter: brightness(1.1); }

.learning-checklist { list-style: none; padding: 0; }
.learning-checklist label { display: flex; gap: .5rem; align-items: baseline; cursor: pointer; }
.learning-done { text-decoration: line-through; opacity: .6; }

/* The user's own rendered notes, distinguished from reference content. */
.learning-usernote {
  border-left: 3px solid var(--moss);
  padding-left: .9rem;
  margin-bottom: 1rem;
}

.learning-question { padding: .6rem 0; border-top: 1px solid var(--border); }
.learning-question:first-of-type { border-top: 0; }
.learning-question-title { font-weight: 600; margin: 0 0 .2rem; }
.learning-question.is-answered .learning-question-title { opacity: .7; }
.learning-answer { margin: .3rem 0; padding-left: .8rem; border-left: 2px solid var(--moss); }

.learning-status {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin-left: .4rem;
}
.learning-status.is-done { color: var(--moss); }

.learning-progress-bar {
  height: 8px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: .3rem;
}
.learning-progress-bar span { display: block; height: 100%; background: var(--moss); }