@import url('https://fonts.googleapis.com/css2?family=Oxanium:wght@200..800&display=swap');
/* general css */
* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

body { 
    font-family: sans-serif; 
    background-color: rgb(205, 224, 240);
}

/* background image */
.img_pattern {
    width: 1519px;
    height: 745px;
}

/* 3d cube frame */
.scene {
  width: 500px;
  height: 500px;
  perspective: 900px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.cube_frame {
  width: 500px;
  height: 500px;
  position: relative;
  transform-style: preserve-3d;
  transform: translateZ(-100px);
  transition: transform 1s;
}

.cube_frame.show-front  { transform: translateZ(-100px) rotateY(   0deg); }
.cube_frame.show-right  { transform: translateZ(-100px) rotateY( -90deg); }
.cube_frame.show-back   { transform: translateZ(-100px) rotateY(-180deg); }
.cube_frame.show-left   { transform: translateZ(-100px) rotateY(  90deg); }
.cube_frame.show-top    { transform: translateZ(-100px) rotateX( -90deg); }
.cube_frame.show-bottom { transform: translateZ(-100px) rotateX(  90deg); }

.cube__face {
  position: absolute;
  width: 500px;
  height: 500px;
  line-height: 500px;
  font-size: 40px;
  font-weight: bold;
  color: white;
  text-align: center;
}

.cube__face--front  { background: hsla(  0, 100%, 0%, 0.7); }
.cube__face--right  { background: #1E1E1E }
.cube__face--back   { background: hsla(120, 100%, 0%, 0.7); }
.cube__face--left   { background: hsla(180, 100%, 0%, 0.7); }
.cube__face--top    { background: hsla(240, 100%, 0%, 0.7); }
.cube__face--bottom { background: hsla(300, 100%, 0%, 0.7); } 

.cube__face--front  { transform: rotateY(  0deg) translateZ(250px); }
.cube__face--right  { transform: rotateY( 90deg) translateZ(250px); }
.cube__face--back   { transform: rotateY(180deg) translateZ(250px); }
.cube__face--left   { transform: rotateY(-90deg) translateZ(250px); }
.cube__face--top    { transform: rotateX( 90deg) translateZ(250px); }
.cube__face--bottom { transform: rotateX(-90deg) translateZ(250px); }

/* radio button */

/* label { 
    margin-right: 10px; 
}

.radio-group {
    position: absolute;
    top: 85%;
    left: 50%;
    transform: translate(-50%, 0%);
    padding: 10px;
    background-color: black;
    border-radius: 10px;
    color: #ffffff;
} */

.radio-group {
    position: absolute;
    top: 83%;
    left: 50%;
    transform: translate(-50%, 0%);
    width: fit-content;
    border: 2px solid #202020;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    flex-wrap: no-wrap;
}
.radio-group input{ display: none; }

.radio-group label{
    font-family: sans-serif;
    padding: 10px 16px;
    border-right: 1px solid #202020;
    cursor: pointer;
    transition: all 0.3s;
}
.radio-group label:last-of-type{ border-right: 0; }

.radio-group label:hover{
    background: hsla(0, 0%, 0%, 0.8);
    color: #fff;
}



/* HomePage */
.cube__face--front {
    margin: 0px;
    padding: 0px;
}
.centered {
    color: #ffffff;
    position: absolute;
    top: -30%;
    left: 8%;
    font-family: 'Oxanium',sans-serif;
    font-size: 3.5vw;
    font-weight: bolder;
}
.centered1 {
    color: #ffffff;
    position: absolute;
    top: -22%;
    left: 9%;
    font-family: 'Oxanium',sans-serif;
    font-size: 1.5vw;
    font-weight: bolder;
}

/* HomePage 3D cube model */
#container{
    position: absolute;
    top: 65%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 70%;
    height: 70%;
}

/* 3x3 Solver Page */
.centered-r {
    position: absolute;
    top: -214px;
    left: 50%;
    transform: translate(-50%,0%);
    text-align: start;
    color: #ffffff;
    font-family: 'Oxanium',sans-serif;
    font-size: 40px;
}

/* 2x2 Solver Page */