body {
  font-family: 'Arial', sans-serif;
  background-color: #000;
  color: #fff;
  margin: 0;
  overflow: hidden;
}

#ui-container {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.7);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #00ffff;
}

input[type="range"] {
  width: 100%;
  margin-bottom: 15px;
}

#planet-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 20px;
  margin-bottom: 20px;
}

#planet-buttons button:first-child {
  grid-column: 1 / -1;
  background-color: #ffd700;
  color: #000;
}

button {
  background-color: #1a1a1a;
  color: #fff;
  border: none;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: #333;
  transform: scale(1.05);
}

button:active {
  transform: scale(0.95);
}

/* Planet-specific button colors */
button:nth-child(1) { background-color: #ffd700; color: #000; } /* Sun */
button:nth-child(2) { background-color: #8c7853; } /* Mercury */
button:nth-child(3) { background-color: #ffa500; } /* Venus */
button:nth-child(4) { background-color: #4169e1; } /* Earth */
button:nth-child(5) { background-color: #ff4500; } /* Mars */
button:nth-child(6) { background-color: #deb887; } /* Jupiter */
button:nth-child(7) { background-color: #ffd700; } /* Saturn */
button:nth-child(8) { background-color: #00ced1; } /* Uranus */
button:nth-child(9) { background-color: #1e90ff; } /* Neptune */
button:nth-child(10) { background-color: #d3d3d3; color: #000; } /* Moon */

#day-counter {
    background-color: rgba(0, 0, 0, 0.7);
    color: #00ffff;
    padding: 10px 15px;
    border-radius: 20px;
    font-size: 18px;
    font-weight: bold;
    margin-top: 15px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    transition: all 0.3s ease;
}

#day-counter:hover {
    background-color: rgba(0, 0, 0, 0.8);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    transform: scale(1.05);
}

#orbit-path-opacity {
  width: 100%;
  margin-bottom: 15px;
}

/* label[for="orbit-path-opacity"] {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: #00ffff;
}

#orbit-path-opacity::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #00ffff;
  cursor: pointer;
  border-radius: 50%;
}

#orbit-path-opacity::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: #00ffff;
  cursor: pointer;
  border-radius: 50%;
} */

#background-select {
  width: 100%;
  padding: 5px;
  margin-top: 3;
  margin-bottom: 15px;
  background-color: #1a1a1a;
  color: #fff;
  border: 1px solid #333;
  border-radius: 5px;
}


#background-select:focus {
  outline: none;
  border-color: #00ffff;
}

#earth-textures {
  margin-top: 20px;
}

#earth-textures h3 {
  margin-bottom: 10px;
  color: #00ffff;
}

#earth-textures label {
  display: block;
  margin-bottom: 5px;
}

#earth-textures input[type="checkbox"] {
  margin-right: 5px;
}
#toggle-asteroids {
  width: 100%;
  grid-column: 1 / -1;
  border: none;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 20px;
}

#toggle-asteroids.on {
  background-color: #ffd700;
  color: #000000;
}

#toggle-asteroids.off {
  background-color: #808080;
  color: #ffffff;
}