body {
  margin: 0;
  font-family: Georgia, serif;
  background: #f4f1e8;
  color: #2b1d0e;
}

header {
  background: #5a2a0a;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

nav button {
  background: #d9c3a5;
  border: none;
  padding: 0.5rem 1rem;
  margin: 0.25rem;
  cursor: pointer;
  border-radius: 4px;
}

nav button.active {
  background: #b08a5c;
  color: #fff;
}

.tab-panel {
  display: none;
  padding: 2rem;
}

.tab-panel.active {
  display: block;
}

.parchment {
  background: #fff8e6;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 0 2px #d1bfa3, 0 8px 20px rgba(0,0,0,0.2);
}

.memoirs-layout {
  display: flex;
  gap: 2rem;
}

.memoirs-sidebar {
  width: 250px;
}

.memoirs-content {
  flex: 1;
}

.memoirs-chapters button {
  width: 100%;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background: #e8d8c3;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

.memoirs-chapters button.active {
  background: #c7a57a;
  color: #fff;
}