.sidebar {
  width: 250px;
  background-color: #f8f9fa;
  border-right: 1px solid #e0e0e0;
  padding: 1em;
  font-size: 0.95rem;
  font-family: Arial, sans-serif;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
  position: relative;
}

/* Apply to all lists */
.sidebar nav ul {
  list-style: none;
  padding-left: 0;
}

.sidebar h4.month-label,
.sidebar a.post-label {
  text-transform: capitalize !important;
}
.sidebar .menu-year {
  font-weight: 700;
  font-size: 1.2rem;
  color: #333333;
  margin-bottom: 1rem;
  border-bottom: 2px solid #2c3e50;
  padding-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sidebar .menu-month {
  margin-bottom: 1rem;
  font-weight: 600;
  color: #555555;
}

.sidebar .menu-month ul.posts-list {
  list-style: none;
  padding-left: 1rem;
  margin-top: 0.3rem;
}

.sidebar .menu-month li.post-label a {
  color: #2c3e50;
  text-decoration: none;
  display: block;
  padding: 0.2rem 0;
  transition: color 0.2s ease-in-out;
}

.sidebar .menu-month li.post-label a:hover {
  color: #1a73e8;
  text-decoration: underline;
}

.sidebar .menu-year {                 
  margin-bottom: 1em;
}                                                            

.sidebar .month-label {
  font-weight: normal;
  display: block;
  margin-bottom: 0.3em;
}