/* ============================================================================
 * Study Recommendations — "What to Study Next" section
 * Row of 1-3 recommendation cards on the portal homepage.
 * ============================================================================ */

.study-recs {
  margin-bottom: 2rem;
  animation: recsSlideIn 0.4s ease-out;
}

@keyframes recsSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.study-recs__heading {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 1rem;
}

.study-recs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

/* ── Individual recommendation card ──────────────────────────────────────── */

.study-rec-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.study-rec-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.study-rec-card__icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.study-rec-card__body {
  flex: 1;
  min-width: 0;
}

.study-rec-card__title {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
}

.study-rec-card__subtitle {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}

.study-rec-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 1rem;
  background: var(--primary);
  color: var(--primary-on, #0f172a);
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  min-height: var(--touch-min, 2.75rem);
  transition: background 0.15s ease, transform 0.15s ease;
}

.study-rec-card__cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.study-rec-card__cta:focus-visible {
  outline: 2px solid var(--focus-ring, rgba(255, 138, 91, 0.6));
  outline-offset: 2px;
}

/* ── Get-started prompt (new user) ───────────────────────────────────────── */

.study-recs__empty {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.study-recs__empty-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.study-recs__empty-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.study-recs__empty-desc {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.study-recs__empty-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.55rem 1.25rem;
  background: var(--primary);
  color: var(--primary-on, #0f172a);
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  min-height: var(--touch-min, 2.75rem);
  transition: background 0.15s ease, transform 0.15s ease;
}

.study-recs__empty-cta:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.study-recs__empty-cta:focus-visible {
  outline: 2px solid var(--focus-ring, rgba(255, 138, 91, 0.6));
  outline-offset: 2px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .study-recs,
  .study-rec-card,
  .study-rec-card__cta,
  .study-recs__empty-cta {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 640px) {
  .study-recs__grid {
    grid-template-columns: 1fr;
  }

  .study-rec-card {
    padding: 1rem 1.25rem;
  }

  .study-rec-card__icon {
    font-size: 1.3rem;
  }
}