html {
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background: linear-gradient(#141e30, #243b55);
    zoom: inherit;
}

input:-webkit-autofill,
input:-webkit-autofill:focus {
    transition: background-color 600000s 0s, color 600000s 0s;
}

input[data-autocompleted] {
    background-color: transparent !important;
}

.login-box {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60%;
    padding: 5%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.5);
    box-sizing: border-box;
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
    border-radius: 10px;
}

.login-box h2 {
    margin: 0 0 25%;
    padding: 0;
    color: #fff;
    text-align: center;
}

.login-box .user-box {
    position: relative;
}

.login-box .user-box input {
    width: 100%;
    padding: 10px 0;
    font-size: 14px;
    color: #fff;
    margin-bottom: 30px;
    border: none;
    border-bottom: 1px solid #fff;
    outline: none;
    background: transparent;
}

.login-box .user-box label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.507);
    pointer-events: none;
    transition: 0.4s;
}

.login-box .user-box input:focus ~ label,
.login-box .user-box input:valid ~ label {
    top: -20px;
    left: 0;
    color: #03e8f475;
    font-size: 12px;
}

.login-box form a {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    color: #03e9f4;
    font-size: 12px;
    text-decoration: none;
    text-transform: uppercase;
    overflow: hidden;
    transition: 0.5s;
    margin-top: 40px;
    letter-spacing: 4px;
}

.login-box a:hover {
    background: #03e9f4;
    color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 5px #03e9f4,
                0 0 25px #03e9f4,
                0 0 50px #03e9f4,
                0 0 100px #03e9f4;
}

.login-box a span {
    position: absolute;
    display: block;
}

.login-box a span:nth-child(1) {
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #03e9f4);
    animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

.login-box a span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #03e9f4);
    animation: btn-anim2 1s linear infinite;
    animation-delay: 0.25s;
}

@keyframes btn-anim2 {
    0% {
        top: -100%;
    }
    50%, 100% {
        top: 100%;
    }
}

.login-box a span:nth-child(3) {
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, #03e9f4);
    animation: btn-anim3 1s linear infinite;
    animation-delay: 0.5s;
}

@keyframes btn-anim3 {
    0% {
        right: -100%;
    }
    50%, 100% {
        right: 100%;
    }
}

.login-box a span:nth-child(4) {
    bottom: -100%;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, #03e9f4);
    animation: btn-anim4 1s linear infinite;
    animation-delay: 0.75s;
}

@keyframes btn-anim4 {
    0% {
        bottom: -100%;
    }
    50%, 100% {
        bottom: 100%;
    }
}

/* Button base styles */
button {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    color: white;
    font-size: 15px;
    font-weight: bold;
    text-align: center;
    background-color: #333; /* Button background */
    border: none;
    border-radius: 5px;
    cursor: pointer;
    overflow: hidden;
}

/* Add a gradient border with circular animation */
button::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border-radius: 10px;
    background: linear-gradient(45deg, #ff0000, #00ff00, #0000ff, #ff00ff, #00ffff, #ffff00);
    background-size: 400%; /* Increase size to make the gradient more visible */
    z-index: -1;
    animation: rotateColors 3s linear infinite;
    padding: 10px; /* Adjust padding for thicker border effect */
}

/* Define the animation for the color rotation */
@keyframes rotateColors {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Button hover effect to speed up the animation */
button:hover::before {
    animation-duration: 2s;
}

/* Optional: Button hover effect to change background */
button:hover {
    background-color: #555;
    color: #fff;
}