.sidebar {
  width: 240px;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: #e8f5e9;       
  border-right: 1px solid #c8e6c9;
  padding: 1.5rem 0;
  font-family: system-ui, sans-serif;
  box-shadow: 2px 0 8px rgba(0,0,0,0.06);
  z-index: 100;
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  margin: 0.5rem 0;
}

.sidebar a {
  display: block;
  padding: 1rem 1.8rem;
  color: #2e7d32;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
  border-radius: 0 12px 12px 0;
}

.sidebar a:hover {
  background: #c8e6c9;
  color: #1b5e20;
}

.sidebar a.active {
  background: #a5d6a7;
  color: #1b5e20;
  font-weight: 600;
  box-shadow: inset 4px 0 0 #4caf50;
}

.sidebar .logout {
  margin-top: 3rem;
  color: #c62828;
}

.sidebar .logout:hover {
  background: #ffebee;
  color: #b71c1c;
}