* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body,html {
  height: 100%;
  font-family: Arial, sans-serif;
  color: white;
  overflow-x: hidden;
}

/* Background image + blur overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url('images/under_construction.png') no-repeat center center/cover;
  z-index: -2;
}

/* Top bar (always visible) */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: rgba(0, 0, 0);
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 900;
}

.top-bar .logo {
  margin-left: 20px;
  font-size: 2rem;
  font-weight: bold;
}

/* Burger menu (for top bar + sidebar) */
.menu-toggle {
  width: 40px;
  height: 28px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle span {
  display: block;
  height: 6px;
  background: white;
  border-radius: 1px;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: -300px;
  height: 100%;
  width: 300px;
  background: #111;
  /* solid, not see-through */
  transition: left 0.3s ease;
  z-index: 1001;
  display: flex;
  flex-direction: column;
}

.sidebar.active {
  left: 0;
}

/* Sidebar header (burger + logo inside sidebar) */
.sidebar-header {
  display: flex;
  align-items: center;
  padding: 20px;
  background: #000;
  height: 80px;
}

.sidebar-header .logo {
  margin-left: 20px;
  font-size: 1.8rem;
  font-weight: bold;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin-top: 10px;
}

.sidebar ul li {
  padding: 15px 20px;
}

.sidebar ul li a {
  text-decoration: none;
  color: white;
  font-size: 18px;
  transition: color 0.2s ease;
  display: block;
}

.sidebar ul li a:hover {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
}