body {
  background-color: #000;
  font-family: 'Noto Sans KR', sans-serif;
  margin: 0;
}

/* ☰ 햄버거 버튼 */
.menu-toggle {
  position: fixed;
  top: 1.2rem;
  left: 1.2rem;
  font-size: 1.8rem;
  background: none;
  border: none;
  color: #fff;
  z-index: 2001;
  cursor: pointer;
    font-weight: bold;
}

/* 🌑 다크 사이드바 */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background-color: #1f2a3a;
  border-right: 1px solid #333;
  padding: 4.5rem 1rem 1.5rem 1rem;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.3);
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  transform: translateX(0);
  transition: transform 0.3s ease;
  z-index: 1000;
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar.collapsed ~ .main {
  margin-left: 0;
}

/* 로고 */
.logo {
  font-size: 1.8rem;
  font-weight: bold;
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  text-align: center;
  color: #ffffff;
}

/* 메뉴 */
.menu-item {
  padding: 10px 16px;
  margin-bottom: 5px;
  border-radius: 8px;
  cursor: pointer;
  color: #ffffff;
  transition: background-color 0.2s;
  font-size: 1.05rem;
}

.menu-item:hover {
  background-color: #2c3a4d;
  font-size: 1.15rem;
}

.menu-item.active {
  background-color: #e0d96f;
  color: #1a1a1a;
  font-weight: bold;
  font-size: 1.15rem;
}

/* 서브메뉴 */
.submenu {
  display: none;
  padding-left: 1.5rem;
  font-size: 1.05rem;
  margin-top: 4px;
  border-left: 2px solid #3a475a;
}

.submenu a {
  display: block;
  padding: 6px 0;
  font-size: 0.95rem;
  color: #cccccc;
  text-decoration: none;
}

.submenu a:hover {
  color: #fcd34d;
}

/* 본문 */
.main {
  margin-left: 260px;
  padding: 2rem;
  transition: margin-left 0.3s ease;
}