* , *::before, *::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:'League Spartan', sans-serif; 
}

:root {
    --dk-violet: hsl(268, 75%, 9%);
    --lt-violet: hsl(268, 47%, 21%);
    --lt-violet2: hsl(281, 89%, 26%);
    --vb-violet: hsl(285, 91%, 52%);
    --vb-violet2: hsl(290, 70%, 36%);
  
    --vb-yellow: hsl(52, 100%, 62%);
  
    --pl-white: hsl(0, 0%, 100%);
  
    --vb-cyan: hsl(176, 100%, 44%);
    --vb-cyan2: hsl(177, 92%, 70%);
  
    --dk-text: hsl(198, 20%, 13%);
  }

  .wrapper{

    width: 100vw;
    height: 100vh;
  
    display: flex;
    /* flex-direction: column; */
    align-items: center;
    justify-content: center;

    background: linear-gradient(231deg , rgba(22 , 6, 40 , 1) 0% , rgba(52 , 28 , 79 , 1) 50% , rgba(88 , 7 , 125 , 1) 100%);

  }

  .container{
    width: 90%;
    max-width: 450px;
  }

  .heading{
    color: var(--pl-white);
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    text-align: center;
    line-height: 1.4; 
  }

  .display-container{
    position: relative;
    background-color: var(--dk-violet);
    border-radius: 1rem;
    border-bottom: 0.35rem solid var(--lt-violet2);
    margin: 1rem 0;
    padding-top:0.35rem;
  }

  .display{
    border: none;
    width:100%;
    background-color: transparent;
    padding:1.15rem 1rem;
    color:var(--vb-yellow);
    font-weight: 600;
    font-size:1.5rem;
    line-height: 30px;
    letter-spacing: 1px;
    padding-right: 3.25rem;
  }

  .display::placeholder{
    position: absolute;
    top:50%;
    left:1.5rem;
    color: var(--vb-yellow);
    font-size:1.5rem;
    line-height: 30px;
    opacity:0.65;
    text-transform: uppercase;
    transform: translateY(-50%);
  }

  .display-container button{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 1.5rem;
    background-color: transparent;
    cursor:pointer;
    /* outline: none; */
    border: none;
  }

  .tooltip{
    position: absolute;
    color:yellow;
    font-size: 1.2rem;
    background-color: var(--vb-violet2);
    top:-35px;
    right:-25px;
    border-radius:1rem;
    padding: 5px 10px;
    opacity: 0;
    transform: scale(0);
    transform-origin: bottom;
    transition: all 500ms ease-in-out;
  }

  .active{
    opacity: 1;
    transform: scale(1);
  }


  .input-container{
    width:100%;
    background-color:var(--dk-violet);
    border-radius: 1rem;
    padding: 2rem;
    border-bottom: 0.35rem solid var(--lt-violet2);
  }
  
  .length-container{
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .length-container p:nth-child(1){
    color:white;
    font-size: 1.5rem;
  }

  .length-container p:nth-child(2){
    color:var(--vb-yellow);
    font-size: 1.5rem;
  }
  

  .strength-container{
    display:flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.75rem;
    margin-bottom:2rem;
  }

  .strength-container p{
    color:var(--pl-white);
    font-size: 1.5rem;
  }

  .indicator{
    width:1.5rem;
    height:1.5rem;
    border-radius: 50%;
  }


  .generateBtn{
    border:none;
    width:100%;
    padding:1rem 0 ;
    background-color: var(--vb-violet);
    text-align: center;
    border-radius:0.75rem;
    border-bottom: 0.35rem solid var(--vb-yellow);
    text-transform: uppercase;
    letter-spacing: 1.35px;
    color: var(--vb-yellow);
    font-weight: 600;
    font-size: 1.25rem;
    cursor:pointer;
  }

  .check{
    display: flex;
    align-items: center;
    margin: 1rem 0;
    gap:0 1rem;    
  }
  
  .check input{
    
    /* default style of elements hide in this case */
    appearance: none;
    
    width:20px;
    height:20px;
    border:1px solid var(--vb-cyan);
    cursor:pointer;
    position: relative;
    border-radius: 0.35rem;

  }

  .check input:checked{
    background-color: var(--vb-cyan);
  }

  .check input:checked::before{
    content: "✔";
    position: absolute;
    color: var(--dk-text);
    font-size: 1.05rem;
    font-weight: 600;
    left:47%;
    top:-3.5px;
    transform: translateX(-50%) translateY(5%)
  }

  .check label{
    color: var(--pl-white);
    font-size: 1.25rem;
    letter-spacing: 0.75px;
  }

  .slider{
    appearance: none;
    width:100%;
    height: 0.75rem;
    cursor:pointer;
    background-color:var(--lt-violet);
    border-radius:1rem;
    margin-top:2rem;
    margin-bottom: 1.5rem;
    background-image: linear-gradient(var(--vb-violet) , var(--vb-violet));
    background-repeat: no-repeat; 
  }

  .slider::-webkit-slider-thumb{
    position: relative;
    appearance: none;
    height: 2rem;
    width: 2rem;
    background-color: yellow;
    border-radius: 50%;
    box-shadow: 0 0 12px 1px rgba(255, 229, 61, 0.8);
    margin-top: -3px;
    transition: all 100ms ease-in;
 }

 .slider::-webkit-slider-thumb:hover{
    background-color: var(--dk-violet);
    outline: 2px solid var(--vb-yellow);
    box-shadow: 0 0 25px 5px rgba(255, 229, 61, 0.8);
 }

 .slider:focus{
    outline: 3px solid var(--vb-yellow);
 }