body {
  background-color: #0d1a2d;
  color: #00ffff;
  font-family: 'Share Tech Mono', monospace;
  margin: 0;
  padding: 0;
}

.hud-container {
  padding: 20px;
}

.hud-header, .hud-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #001d33;
  padding: 10px 20px;
  border: 1px solid #00ffff;
  margin-bottom: 20px;
}

.hud-content {
  border: 1px solid #00ffff;
  background: #002a44;
  padding: 20px;
  min-height: 200px;
}

button {
  background: #003344;
  border: 1px solid #00ffff;
  color: #00ffff;
  padding: 8px 12px;
  margin-left: 5px;
  cursor: pointer;
}

button:hover {
  background: #005577;
}

.hud-layout {
  display: flex;
  height: 100vh;
}

.hud-sidebar {
  width: 200px;
  background: #001122;
  border-right: 1px solid #00ffff;
  padding: 20px;
  box-sizing: border-box;
}

.hud-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hud-sidebar li {
  margin-bottom: 15px;
}

.hud-sidebar a {
  color: #00ffff;
  text-decoration: none;
  transition: color 0.2s;
}

.hud-sidebar a:hover {
  color: #ff00ff;
}

.hud-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
  box-sizing: border-box;
}