*,
*::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{
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:linear-gradient(30deg, rgba(0,0,0,0.4),rgba(0,0,0,0.4)),url(assets/back2.jpeg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.container{
    width:min(90%,450px);
    margin: auto;
}
h1{
    color: var(--pl-white);
    font-size: clamp(2rem,4vw,2.6rem);
    font-weight: 700;
    opacity: 1;
    letter-spacing: 3px;
    text-align: center;
    line-height: 1.2;
    margin-bottom: 2rem;
    text-shadow: 0px 0px 20px rgba(255,255,255,0.3);
    background: linear-gradient(90deg,#ff7a18,#ffd700,#40cc42,#d52c0ac2,#f51d97e7);
    background-size: 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientMove 6s linear infinite;

}
@keyframes gradientMove {
    0%{
        background-position: 0%;
    }
    100%{
        background-position: 300%;
    }
}
.display-container{
    position: relative;
    background-color: var(--dk-violet);
    border-radius:1rem ;
    margin: 1rem 0;
    padding-top: 0.35rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 0 20px rgba(0,200,255,0.15),0 0 40px rgba(0,200,255,0.08);
    border-bottom: 0.35rem solid var(--lt-violet2);
}

.password{
     width: 100%;
     background-color: transparent;
     padding: 1.15rem 1rem;
     color: var(--vb-yellow);
     font-weight: 600;
     font-size:clamp(1rem,3vw,1.5rem);
     line-height: 30px;
     letter-spacing: 1px;
     padding-right: 3.25rem;
     border: none;
     word-break: break-all;
}
.password:focus{
    outline: none;
}
.password::placeholder{
    position: absolute;
    top:50%;
    left: 1.5rem;
    font-size: clamp(0.9rem,3vw,1.5rem);
    line-height: 30px;
    color: var(--vb-yellow);
    opacity: 0.65;
    text-transform: uppercase;
    transform: translateY(-50% );
}
.display-container button{
    position: absolute;
    top: 50%;
    right: 1.5rem;
    transform: translateY(-50%);
     
}
.copyBtn{
    background-color: transparent;
    border: none;
    outline: none;
    padding: 5px;
}
.tooltip{
    position: absolute;
    background-color: var(--vb-violet2);
    color: var(--vb-yellow);
    font-size: 1.25rem;
    top: -35px;
    left: -25px;
    padding: 5px 10px;
    border-radius: 1rem;
    opacity: 0;
    transform: scale(0);
    will-change: transform,opacity;
    transform-origin: bottom;
    transition: all 250ms ease-in-out;
}
.tooltip.active{
    opacity: 1;
    transform: scale(1);
}
.input-container{
    width: 100%;
    background-color: var(--dk-violet);
    border-radius: 1rem;
    padding: clamp(1rem,3vw,2rem);
    box-shadow: 0 0 20px rgba(0,200,255,0.15),0 0 40px rgba(0,200,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-bottom: 0.35rem solid var(--lt-violet2);
    backdrop-filter: blur(10px);
}

.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);
    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{
    width: 100%;
    padding: 1rem 0;
    min-height: 48px;
    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: 1px;
    color: var(--vb-yellow);
    font-weight: 600;
    font-size: 1.25rem;
    cursor: pointer;
}
.generateBtn:hover{
    filter: brightness(1.2);
    transform: translateY(-2px);
    box-shadow: 0px 10px 25px rgba(0,0,0,0.3);
}
.check{
    display: flex;
    align-items: center;
    margin: 1rem 0;
    gap: 0 1rem;
}
.check input{
    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: "\2714";
    position: absolute;
    color: var(--dk-text);
    font-size: 1.05rem;
    font-weight: 600;
    left: 50%;
    top: -3.5px;
    transform: translateX(-50%) translateY(4%);
}

.check label{
    color: var(--pl-white);
    font-size:clamp(0.9rem,2.5vw,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;
    border: none;
    touch-action: pan-x;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    height: 1.5rem;
    width: 1.5rem;
    border-radius: 50%;
    background-color: var(--vb-yellow);
    cursor: pointer;
    margin-top: -3px;
    box-shadow: 0px 0px 20px 0px rgba(255,229,61,0.50);
    transition: all 100ms ease-in;
}

.slider:focus{
    outline: 3px solid var(--vb-yellow);
}
.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);
    transform: scale(1.2);
    transition: all 200ms ease-in;
}

/*for fire fox*/
.slider::-moz-range-thumb {
    appearance: none;
    height: 1.5rem;
    width: 1.5rem;
    border-radius: 50%;
    background-color: var(--vb-yellow);
    cursor: pointer;
    margin-top: -3px;
    box-shadow: 0px 0px 20px 0px rgba(255,229,61,0.50);
    transition: all 100ms ease-in;
}
.slider::-moz-range-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);
    transform: scale(1.2);
    transition: all 200ms ease-in;
}

@media (max-width:480px){
    body{
        padding:1rem;
        overflow-y: hidden;
    }
    body::before{
        background-position: center;
        background-size: cover;
        transform: scale(1.1);
        filter: blur(4px);
    }
    .container{
        width: 90%;
        max-width: 350px;
    }
    .input-container{
        padding: 1.4rem;
    }

    h1{
        font-size:1.4rem;
        letter-spacing:1px;
    }
    .display-container{
        margin:0.8rem 0;
    }
    .password{
        font-size:1.1rem;
        padding:0.9rem;
    }
    .length-container p{
        font-size:1.1rem;
    }
    .strength-container p{
        font-size:1.1rem;
    }
    .check{
        margin: 0.7rem 0;
    }
    .check label{
        font-size:0.95rem;
    }
    .generateBtn{
        font-size:1rem;
        padding:0.8rem 0;
    }

}