body {
  margin: 0;
  padding: 0;

  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  
  /* --- DEEP SPACE BACKGROUND LAYER --- */
  background-color: #000;
  background-image: 
    radial-gradient(ellipse at bottom left, rgba(20, 20, 50, 0.6) 0%, transparent 60%),
    radial-gradient(ellipse at top right, rgba(40, 10, 40, 0.5) 0%, transparent 60%),
    linear-gradient(to bottom, #020111 0%, #000000 100%);
  background-attachment: fixed; 
  background-repeat: no-repeat;
  background-size: cover;
}


#sun{
  position:absolute;
left: 50%;
top:50%;  
  width: 150px;
  height:auto;
  transform: translate(-50%,-50%);
  z-index: 1;
  pointer-events: none;
}
#sunimg{
  position: absolute;
  width: 600px;
  height: 600px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: auto;
  object-fit:none;
  filter:drop-shadow( 0 0 60px rgba(255, 204, 0, 0.8));

}
#mercury,#venus,#earth,#mars,#jupiter,#saturn,#uranus,#neptune{
position: absolute;
left: 50%;
top:50%;
transform: translate(-50%,-50%);
border-radius: 50%;
border:  1px solid none;
animation-name: revolution;
animation-timing-function: linear;
animation-iteration-count: infinite;
pointer-events: none;

}

.Img{
  position: absolute;
  width: 450px;
  height: auto;
  top: 50%;
  right: -155px;
  transform: translateY(-50%);
  border-radius: 50%;
  pointer-events: auto;
}
#mercury{
  width: 700px;
  height: 700px;
  animation-duration: 4s;
}
#venus{
width: 800px;
height: 800px;
animation-duration: 8s;
}
#earth{
width:900px;
height: 900px;
animation-duration: 12s;
}
#mars{
width:1000px;
height: 1000px;
animation-duration: 20s;
}
#jupiter{
width:1100px;
height: 1100px;
animation-duration: 50s;
}
#saturn{
width:1200px;
height: 1200px;
animation-duration: 85s;
}
#uranus{
width:1300px;
height: 1300px;
animation-duration: 120s;
}
#neptune{
width:1400px;
height: 1400px;
animation-duration: 160s;
}
@keyframes revolution{
  from{
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to{
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
h1{
  color: aqua;
  margin-top: 50px;
}
#main {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 900px; /* The exact size of your largest orbit (Neptune) */
  height: 900px;
  
  /* The Magic Trick: This centers the box, then shrinks everything inside it! */
  transform: translate(-50%, -50%) scale(0.75); 
}
/*
#mercuryimg{
  position: absolute;
 
  
  top: 50%;
  right: 0px;
  left: 570px;
  transform: translateY(-50%);
}
#venusimg{
  position: absolute;
  
  
  top: 50%;
  right:0px;
  left: 670px;
  transform: translateY(-50%);
}
#earthimg{
  position: absolute;
  
  top: 50%;
  right: 0px;
  left: 770px;
  transform: translateY(-50%);
}
#marsimg{
  position: absolute;
 ;
  top: 50%;
  right:0px;
  left: 870px;
  transform: translateY(-50%);
}
#jupiterimg{
  position: absolute;

  top: 50%;
  right:0px;
  left: 970px;
  transform: translateY(-50%);
}
#saturnimg{
  position: absolute;
 
  top: 50%;
  right:0px;
  left: 1070px;
  transform: translateY(-50%);
}
#uranusimg{
  position: absolute;

  top: 50%;
  right:0px;
  left: 1170px;
  transform: translateY(-50%);
}
#neptuneimg{
  position: absolute;
 
  top: 50%;
  right:0px;
  left: 1270px;
  transform: translateY(-50%);
}
*/
.pdiv{
  border-color: cadetblue;
  border-radius: 5px;
}
.planetdetails {
  position: fixed;
  left: 20px;
  top: 100px;
  width: 320px;
  height: auto;
  background: rgba(10, 20, 40, 0.85);
  border: 1px solid #00ffff;
  border-radius: 10px;
  display: inline-block;
  flex-direction: column;
  color: white;
  z-index: 1000;
  font-family: monospace;
}