/* ─────────────────────────────────────────────────────────────────────────────
   learn.css — Thanzi Learn Panel (Dietary Education)
   Uses the same CSS var tokens as the rest of Thanzi (style.css)
   ───────────────────────────────────────────────────────────────────────────── */

/* ── Panel ───────────────────────────────────────────────────────────────── */
#learn-panel {
  padding: 20px 16px 96px;
  min-height: 100vh;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.lrn-header { margin-bottom: 16px; }

.lrn-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -.3px;
}

.lrn-subtitle {
  font-size: .8rem;
  color: var(--text-3);
  margin-top: 3px;
}

/* ── Section titles ──────────────────────────────────────────────────────── */
.lrn-section-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
}

.lrn-foryou-wrap { margin-bottom: 22px; }

/* ── Filter chips ────────────────────────────────────────────────────────── */
.lrn-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.lrn-filter-chip {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--surface-1);
  color: var(--text-3);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}

.lrn-filter-chip.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-1));
  color: var(--accent);
}

/* ── Article list & cards ────────────────────────────────────────────────── */
.lrn-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lrn-card {
  background: var(--surface-2);
  border-radius: 14px;
  overflow: hidden;
}

.lrn-card-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
}

.lrn-card-head-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.lrn-card-category {
  font-size: .66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--accent);
}

.lrn-card-title {
  font-size: .92rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
}

.lrn-card-summary {
  font-size: .78rem;
  color: var(--text-3);
  line-height: 1.4;
}

.lrn-card-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.lrn-card-read {
  font-size: .68rem;
  color: var(--text-3);
  white-space: nowrap;
}

.lrn-card-chevron {
  font-size: .8rem;
  color: var(--text-3);
  transition: transform .15s;
}

.lrn-card-head.open .lrn-card-chevron { transform: rotate(180deg); }

.lrn-card-body {
  padding: 0 14px 16px;
  font-size: .84rem;
  color: var(--text-2, var(--text-3));
  line-height: 1.6;
}

.lrn-card-body p { margin: 0 0 10px; }
.lrn-card-body p:last-child { margin-bottom: 0; }