.chapterfaq-container {
  font-family: 'Noto Sans Bengali', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(to right, #f0f4ff, #e0f7fa);
  color: #1e293b;
  display: flex;
  min-height: 100vh;
}
.chapterfaq-sidebar {
  width: 250px;
  background: #1e3a8a;
  color: white;
  padding: 20px;
}
.chapterfaq-sidebar h2 {
  text-align: center;
  margin-bottom: 20px;
}
.chapterfaq-chapter-btn {
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}
.chapterfaq-chapter-btn:hover {
  background: #2563eb;
}
.chapterfaq-chapter-btn.active {
  background: #0ea5e9;
}
.chapterfaq-faq-area {
  flex: 1;
  padding: 40px;
  background: #f8fafc;
}
.chapterfaq-sub-tabs {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
}
.chapterfaq-sub-tab {
  padding: 10px 20px;
  background: #cbd5e1;
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}
.chapterfaq-sub-tab:hover {
  background: #94a3b8;
}
.chapterfaq-sub-tab.active {
  background: #6366f1;
  color: white;
}
.chapterfaq-accordion {
  background: white;
  border-radius: 12px;
  margin-bottom: 15px;
  padding: 15px 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}
.chapterfaq-accordion-title {
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  color: #db2777;
}
.chapterfaq-accordion-title::after {
  content: '+';
  font-weight: bold;
  color: #0f172a;
}
.chapterfaq-accordion.open .chapterfaq-accordion-title::after {
  content: '-';
}
.chapterfaq-accordion-content {
  margin-top: 10px;
  display: none;
  color: #1e40af;
  font-size: 16px;
  background-color: #e0f2fe;
  padding: 10px;
  border-radius: 8px;
}
.chapterfaq-accordion.open .chapterfaq-accordion-content {
  display: block;
}