/* Reading Practice — reuses Mini Test CBT chrome (mt-* classes) */

#readingPracticeExamOverlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--mt-bg, #f8fafc);
  display: none;
  flex-direction: column;
  font-family: 'Inter', 'Noto Sans', system-ui, sans-serif;
  color: var(--mt-text, #1e293b);
}

#readingPracticeExamOverlay.mt-open {
  display: flex;
}

.rp-hub {
  max-width: 960px;
  margin: 0 auto;
}

.rp-hub-hero {
  background: linear-gradient(135deg, #312e81 0%, #4338ca 45%, #6366f1 100%);
  color: #fff;
  border-radius: 1.5rem;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 20px 40px rgba(49, 46, 129, 0.25);
}

.rp-hub-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
}

.rp-topic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.rp-topic-tab {
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #e0e7ff;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  transition: all 0.15s ease;
}

.rp-topic-tab.rp-active {
  background: #fff;
  color: #4338ca;
  border-color: #fff;
}

.rp-topic-tab--soon {
  opacity: 0.55;
  cursor: not-allowed;
}

.rp-version-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.rp-version-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 1.25rem;
  padding: 1.1rem 1.15rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
}

.rp-version-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  border-color: #c7d2fe;
}

.rp-version-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eef2ff;
  color: #4f46e5;
  margin-bottom: 0.75rem;
}

.rp-version-card h4 {
  font-weight: 800;
  color: #0f172a;
  font-size: 0.95rem;
}

.rp-version-meta {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.rp-version-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  font-size: 0.72rem;
  font-weight: 800;
  color: #4f46e5;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rp-coming-soon {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: 1rem;
  border: 1px dashed #cbd5e1;
  background: #f8fafc;
}

.rp-coming-soon h4 {
  font-size: 0.8rem;
  font-weight: 800;
  color: #475569;
  margin-bottom: 0.5rem;
}

.rp-coming-soon-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.rp-coming-soon-tags span {
  font-size: 0.68rem;
  font-weight: 700;
  color: #64748b;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}