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

body {
  background-color: black;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  font-family: Arial, sans-serif;
}

.parent-container {
  display: flex;
  align-items: center; /* Centers content vertically */
  justify-content: center; /* Centers content horizontally (optional) */
  height: 100vh; /* Example height to demonstrate vertical centering */
}

.nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  width: 800px;
  position: relative;
}

.nav-simulations {
  display: flex;
  gap: 10px;
  align-items: center;
}

.nav-simulations a,
.nav-actions a {
  display: inline-block;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.nav-simulations a:hover,
.nav-actions a:hover {
  opacity: 0.7;
}

.nav-actions {
  display: flex;
  gap: 10px;
  position: absolute;
  right: 20px;
}

/* Image styling */
.nav-simulations img,
.nav-actions img {
  width: 16px;
  height: 16px;
  margin: 0 10px;
  border: none;
  display: block;
}

/* Canvas styling */
#sim {
  display: block;
  cursor: crosshair;
  border: 1px solid rgb(60, 60, 60);
  background-color: black;
}