*,
*::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%);
}

body{
    
    background: rgb(2,0,36);
    background: linear-gradient(90deg, rgba(2,0,36,1) 0%, rgba(9,9,121,1) 35%, rgba(0,212,255,1) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    /* 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;
} 

h1{
    color: var(--pl-white);
    opacity: 0.75;
    text-transform: uppercase;
    text-align: center;
    letter-spacing: 2px;
    line-height: 1.2;
}

.display-container{
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    /* background-color: var(--dk-violet); */
    background-color: #F0F8FF;
    
    border-radius: 1rem;
    /* border-bottom: 0.35rem solid var(--lt-violet2); */
    border-bottom: 0.35rem solid #72A0C1;
    margin: 1rem 0;
    padding-top: 0.35rem;
}


.display{
    width: 100%;
    background-color: transparent;
    border: none;
    outline: none;
    /* color: var(--vb-yellow); */
    color: #020d19;
    font-weight: 700;
    padding: 1.15rem 1rem;
    font-size: 1.5rem;
    line-height: 30px;
    letter-spacing: 1px;
    padding-right: 3.25rem ;

}

.display::placeholder{
    position: absolute;
    top: 35%;
    left: 1.5rem;
    font-size: 1.5rem;
    line-height: 30px;
    /* color: var(--vb-yellow); */
    color: #011222;
    opacity: 0.65;
    text-transform: uppercase;
}

.display-container button{
    position: absolute;
    top: 35%;
    right: 1.5rem;

}

.copyBtn{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    position: absolute;
    right: 5%;
    text-align: center;
    /* background-color: transparent; */
    background-color: #020d19;
    border: none;
    cursor: pointer;
}


/* tooltip class for copied msg */
.tooltip{
    position: absolute;
    /* background-color: var(--lt-violet2);  */
    background-color: #041E42;
    /* color: var(--vb-yellow); */
    color: #F0F8FF;
    font-size: 1.25rem;
    padding: 5px 10px;
    top: -35px;
    left: -25px;
    border-radius: 1rem;
    opacity: 0 ;
    transform: scale(0);
    transform-origin: bottom;
    transition: all 250ms ease-in-out;
}

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

.input-container{
    /* display: flex;
    flex-direction: column;
    justify-content: space-between; */
    /* background-color: var(--dk-violet);  */
    background-color: #034694;
    /* background: transparent;  */
    color: wheat;
    /* height: 400px; */
    border-radius: 1rem;
    /* border: 00.35rem solid black; */
    /* border-bottom: 0.35rem solid var(--lt-violet2); */
    border-bottom: 0.35rem solid #72A0C1;
    padding: 2rem;

}

.length-container{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.length-container p:nth-child(2){
    /* color: var(--vb-yellow); */
    color: #F0F8FF;
    font-weight: bolder;
    font-size: 2rem;
    letter-spacing: 2px;
    
}

.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%;
}

.generateButton{
    width: 100%;
    padding: 1rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    /* background-color: var(--vb-violet); */
    background-color: #041E42 ;
    border-radius: 0.75rem;
    border: none;
    border-bottom: 0.35rem solid var(--vb-yellow);
    border-bottom: 0.35rem solid #F0F8FF;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    /* color: var(--vb-yellow);  */
    color: #F0F8FF;
    cursor: pointer;
    transition: all 0.1s ease-in-out;
}

.generateButton:hover{
    scale: 1.05;
    color: #0cfabe;
    border-bottom: 0.35rem solid #0cfabe;
}

.check{
    display: flex;
    align-items: center;
    gap: 0 1rem;
    margin: 1rem 0;
}

.check input{
    appearance: none;
    border: 2px solid var(--vb-cyan);
    border-radius: 0.35rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
    position: relative;
}

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

.check input:checked::before{
    content: "\2714";
    font-size:1.05rem;
    font-weight: 600;
    position: absolute;
    transform: translateY(-20%) translateX(10%);
}

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




.slider{
    appearance: none;
    width: 100%;
    height: 0.75rem;
    border-radius: 1rem;
    /* background-color: var(--lt-violet); */
    /* background-image: linear-gradient(var(--vb-violet), var(--vb-violet)); */
    /* background: rgb(2,0,36); */

    /* background-image: linear-gradient(90deg, rgba(2,0,36,1) 35%, rgba(0,48,255,1) 100%); */

    background: #B9D9EB;
    background-image: linear-gradient(90deg, rgba(2,0,36,1) 35%, rgba(0,48,255,1) 100%);
    border: none;
    background-repeat: no-repeat;
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    cursor: pointer;
}

.slider:focus{
    outline: 3px solid #6082B6;
}


/* pseudo selector -> -webkit-slider-thumb, this only works for chrome browser and 
it is different for mozilla fire fox -> moz-range-thumb*/
.slider::-webkit-slider-thumb{
    position: relative;
    appearance: none;
    height: 2rem;
    width: 2rem;
    border-radius: 50%;
    /* background-color: var(--vb-yellow);  */

    background:var(--vb-cyan);
    
    box-shadow: 0px 0px 20px 0px rgba(255, 229, 61, 0.50);
    margin: -3px;
    transition: all 100ms ease-in;
}

.slider::-webkit-slider-thumb:hover{
    outline: 2px solid var(--vb-yellow);
    background-color: var(--dk-violet);
    box-shadow: 0px 0px 25px 5px rgba(255, 229, 61, 0.80);
}