*,
*:after,
*:before {
    box-sizing: border-box;
}

:root {
    --transition: 0.2;
    --bg-one: #0f0514;
    --bg-two: #320449;
    --stop: 40;
    --angle: 45;
    --border-width: 5;
    --padlock-size: 150;
    --padlock-size-x: 300;
    --border-radius: 6;
}

form {
    display: grid;
    grid-template-columns: auto;
    grid-gap: 0.5rem 1rem;
    justify-items: center;
    position: relative;
}

[type='text'] {
    padding: 12px 20px;
    font-size: 1rem;
    border-width: calc(var(--border-width) * 1px);
    border-style: solid;
    border-color: var(--accent);
    border-radius: calc(var(--border-radius) * 1px);
    text-align: center;
    outline: transparent;
    width: 100%;
    transition: border-color calc(var(--transition, 0.2) * 1s) ease;
    margin-bottom: 10px;
}

    /*            [type='text']:valid {
                --accent: #5f0;
            }

            [type='text']:invalid {
                --accent: rgba(255,43,0,0.5);
            }*/

    [type='text']:-moz-placeholder-shown {
        --accent: #fff;
    }

    [type='text']:-ms-input-placeholder {
        --accent: #fff;
    }

    [type='text']:placeholder-shown {
        --accent: #fff;
    }

.app {
    height: 100vh;
    width: 100vw;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    background: #f2f2f2;
    transform: scale(var(--scale));
    transition: transform calc(var(--transition, 0.2) * 1s) ease;
}

[for='text'],
#login {
    height: 0;
    width: 0;
    transform: scale(0);
    position: absolute;
}

.logout-button {
    --size: 52;
    --lightness: 45;
    height: calc(var(--size) * 1px);
    padding: 12px 20px;
    text-transform: uppercase;
    font-weight: bold;
    color: #fff;
    background: hsl(10, 80%, calc(var(--lightness) * 1%));
    border: 0;
    border-radius: calc(var(--border-radius) * 1px);
    cursor: pointer;
}

    .logout-button:hover {
        --lightness: 30;
    }

    .logout-button:active {
        --lightness: 20;
    }

.login-button {
    --size: 52;
    --lightness: 45;
    align-items: center;
    background: hsl(100, 80%, calc(var(--lightness) * 1%));
    border-radius: calc(var(--border-radius) * 1px);
    cursor: pointer;
    display: flex;
    height: calc(var(--size) * 1px);
    justify-content: center;
    padding: 12px 20px;
    text-transform: uppercase;
    font-weight: bold;
    color: #fff;
    width: 100%;
    transition: background calc(var(--transition, 0.2) * 1s) ease;
}

    .login-button svg {
        transform: translate(50%, 0);
    }

    .login-button * {
        cursor: pointer;
    }

    .login-button:hover {
        --lightness: 30;
    }

    .login-button:active {
        --lightness: 20;
    }

    .login-button svg {
        height: 24px;
        width: 24px;
    }

        .login-button svg path {
            fill: #fff;
        }

.padlock {
    --hue: 65;
    --color: #ffd500;
    --color-one: #ffa200;
    --color-two: #fff;
    height: calc(var(--padlock-size) * 1px);
    width: calc(var(--padlock-size-x) * 1px);
    grid-row: 1;
    position: relative;
}

.padlock__body {
    border: 8px solid #000;
    border-radius: 20px;
    position: absolute;
    bottom: 10%;
    width: 66%;
    height: 46%;
    left: 50%;
    transform: translate(-50%, 0);
    background: var(--color);
    box-shadow: -30px 0 0px 0px var(--color-one) inset, 10px 0 0px 0px var(--color-two) inset;
}

.padlock__face {
    height: 25%;
    width: 40%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 0);
}

.padlock__eye {
    position: absolute;
    height: 15px;
    width: 15px;
    background: #000;
    top: 0;
    border-radius: 50%;
    -webkit-animation: blink 4s infinite linear;
    animation: blink 4s infinite linear;
}

    .padlock__eye:after {
        content: '';
        height: 25%;
        width: 25%;
        background: #fff;
        border-radius: 50%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-100%, -100%);
    }

.padlock__eye--left {
    left: 0;
}

.padlock__eye--right {
    right: 0;
}

@-webkit-keyframes blink {
    0%, 24%, 27%, 100% {
        transform: scaleY(1);
    }

    25%, 26% {
        transform: scaleY(0);
    }
}

@keyframes blink {
    0%, 24%, 27%, 100% {
        transform: scaleY(1);
    }

    25%, 26% {
        transform: scaleY(0);
    }
}

.padlock__mouth {
    width: 25%;
    height: 10px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 0);
}

.padlock__mouth--one {
    background: #000;
    height: 5px;
    width: 40%;
    left: 45%;
    bottom: 25%;
    display: block;
}

.padlock__mouth--two,
.padlock__mouth--three {
    height: 24px;
    width: 20px;
    border-radius: 50%;
    bottom: 24%;
    background: transparent;
    -webkit-clip-path: inset(64% 0 0 0);
    clip-path: inset(64% 0 0 0);
    display: none;
    overflow: hidden;
}

    .padlock__mouth--two:before,
    .padlock__mouth--three:before {
        content: '';
        height: 100%;
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        border-radius: 50%;
        border: 4px solid #000;
    }

.padlock__mouth--three {
    background: #000;
}

    .padlock__mouth--three:after {
        content: '';
        position: absolute;
        height: 6px;
        width: 10px;
        border-radius: 50%;
        bottom: -2px;
        left: 40%;
        background: #f00;
    }

.padlock__hook {
    --delay: 1;
    --clip: 40;
    width: 50%;
    height: 90%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, calc(var(--pos, 40) * -1%));
    -webkit-clip-path: inset(0 0 30% 0);
    clip-path: inset(0 0 30% 0);
    transition: transform calc(var(--transition, 0.2) * 1s) calc(((var(--transition, 0.2) * 1.5) * var(--delay, 0)) * 1s) cubic-bezier(0.78, 0.16, 0.64, 1.8);
}

    .padlock__hook:after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: calc(100% - 16px);
        height: calc(100% - 16px);
        border-radius: 50%/40%;
        transform: translate(-50%, -50%);
        box-shadow: 5px 0 0 0 #fff inset, -10px 0 0 0 #666 inset;
        -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(var(--clip) * 1%), 50% calc(var(--clip) * 1%), 50% 100%, 0 100%);
        clip-path: polygon(0 0, 100% 0, 100% calc(var(--clip) * 1%), 50% calc(var(--clip) * 1%), 50% 100%, 0 100%);
    }

    .padlock__hook > div {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

        .padlock__hook > div:nth-of-type(1) {
            width: 100%;
            height: 100%;
            border: 36px solid #000;
            border-radius: 50%/40%;
            -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(calc(var(--clip) * 1%) + 8px), 50% calc(calc(var(--clip) * 1%) + 8px), 50% 100%, 0 100%);
            clip-path: polygon(0 0, 100% 0, 100% calc(calc(var(--clip) * 1%) + 8px), 50% calc(calc(var(--clip) * 1%) + 8px), 50% 100%, 0 100%);
        }

        .padlock__hook > div:nth-of-type(2) {
            width: calc(100% - 16px);
            height: calc(100% - 16px);
            border: 20px solid #bfbfbf;
            border-radius: 50%/40%;
            -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(var(--clip) * 1%), 50% calc(var(--clip) * 1%), 50% 100%, 0 100%);
            clip-path: polygon(0 0, 100% 0, 100% calc(var(--clip) * 1%), 50% calc(var(--clip) * 1%), 50% 100%, 0 100%);
        }

.message {
    display: block;
    width: 100%;
    border-radius: calc(var(--border-radius) * 1px);
    padding: 1rem;
    background: #fff;
    text-align: center;
    font-weight: bold;
}

#login:checked ~ .app {
    --scale: 1;
}

[type='text']:valid ~ #login,
[type='text']:valid ~ [for='login'] {
    visibility: visible;
}

    [type='text']:valid ~ #login:hover ~ .padlock .padlock__mouth--one,
    [type='text']:valid ~ [for='login']:hover ~ .padlock .padlock__mouth--one,
    [type='text']:valid ~ #login:hover ~ .padlock .padlock__mouth--two,
    [type='text']:valid ~ [for='login']:hover ~ .padlock .padlock__mouth--two {
        display: none;
    }

    [type='text']:valid ~ #login:hover ~ .padlock .padlock__mouth--three,
    [type='text']:valid ~ [for='login']:hover ~ .padlock .padlock__mouth--three {
        display: block;
    }

[type='text']:valid ~ .padlock .padlock__mouth--one {
    display: none;
}

[type='text']:valid ~ .padlock .padlock__mouth--two {
    display: block;
}

[type='text']:valid ~ .padlock .padlock__hook {
    --pos: 60;
    --delay: 0;
}

[type='text']:-moz-placeholder-shown ~ .app {
    -moz-transition: transform 0s 0s ease;
    transition: transform 0s 0s ease;
}

[type='text']:-ms-input-placeholder ~ .app {
    -ms-transition: transform 0s 0s ease;
    transition: transform 0s 0s ease;
}

[type='text']:placeholder-shown ~ .app {
    transition: transform 0s 0s ease;
}

.app:focus-within ~ .logout-message {
    visibility: visible;
    grid-row: 3;
}



.app {
    --scale: 0;
}