Modern UI login form | HTML, CSS & JavaScript

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Orbitron", sans-serif;
        }

body {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background: #0b0b0f;
        }

/* glowing background */

body::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            background: #6a00ff;
            filter: blur(200px);
            opacity: .4;
        }

body::after {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            background: #00eaff;
            filter: blur(200px);
            opacity: .3;
            right: 0;
            bottom: 0;
        }

/* login card */

.login-box {
            position: relative;
            width: 360px;
            padding: 40px;
            background: #111;
            border-radius: 12px;
            box-shadow: 0 0 25px rgba(0, 255, 255, .2);
            z-index: 2;
        }

.login-box h2 {
            text-align: center;
            margin-bottom: 30px;
            color: #00f7ff;
            letter-spacing: 2px;
        }

/* input group */

.input-box {
            position: relative;
            margin-bottom: 25px;
        }

.input-box input {
            width: 100%;
            padding: 12px;
            background: transparent;
            border: 1px solid #333;
            border-radius: 6px;
            color: white;
            outline: none;
            transition: .3s;
        }

/* neon focus */

.input-box input:focus {
            border-color: #00f7ff;
            box-shadow: 0 0 10px #00f7ff;
        }

/* button */

button {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 30px;
            background: linear-gradient(90deg, #00f7ff, #6a00ff);
            color: white;
            font-weight: bold;
            letter-spacing: 1px;
            cursor: pointer;
            transition: .3s;
        }

button:hover {
            box-shadow: 0 0 15px #00f7ff;
            transform: scale(1.05);
        }

/* footer */

.signup {
            margin-top: 15px;
            text-align: center;
            font-size: 14px;
            color: #aaa;
        }

.signup span {
            color: #00f7ff;
            cursor: pointer;
        }

- Modern UI login form

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