.sidebar {
  width: 250px;
  height: 100vh;
  position: fixed;
  background-color: #343a40;
  color: #fff;
  transition: all 0.3s ease;
  z-index: 100;
  padding-top: 1rem;
}

.sidebar-collapsed {
  width: 60px;
}

.sidebar-expanded {
  width: 250px;
}

.sidebar a {
  color: #fff;
  text-decoration: none;
  padding: 10px 15px;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  border-radius: 4px;
  margin: 2px 5px;
}

.sidebar a:hover {
  background-color: #495057;
}

.sidebar a.active {
  background-color: #0d6efd;
}

.sidebar .nav-link i {
  margin-right: 10px;
  width: 20px;
  text-align: center;
}

#toggleSidebar {
  cursor: pointer;
  margin-right: 15px;
}

.content {
  margin-left: 250px;
  transition: margin-left 0.3s ease;
  padding: 20px;
}

.content-collapsed {
  margin-left: 60px;
}

/* 모바일 대응 */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .content {
    margin-left: 0;
  }
}