Animated Electric Login & Signup | HTML, CSS & JavaScript

<div class="bg-orb one"></div>
    <div class="bg-orb two"></div>
    <div class=flip-container>
        <div class=flip-card id=flipCard>
            <div class="card-face login-face">
                <div class=card-inner>
                    <div class=logo>⚡</div>
                    <h1 class=title>
                        Welcome Back
                    </h1>
                    <p class=subtitle>
                        Sign in to access your account
                    </p>
                    <form id=loginForm>
                        <div class=field>
                            <input type=email id=loginEmail placeholder=" " required>
                            <label>
                                Email Address
                            </label>
                        </div>
                        <div class="field password-field">
                            <input type=password id=loginPassword placeholder=" " required>
                            <label>
                                Password
                            </label>
                            <span class=eye onclick='togglePassword("loginPassword",this)'>
                                ◉
                            </span>
                        </div>
                        <div class=options>
                            <label class=remember>
                                <input type=checkbox>
                                Remember me
                            </label>
                            <span class=link>
                                Forgot Password?
                            </span>
                        </div>
                        <button class=main-btn type=submit>
                            SIGN IN
                        </button>
                    </form>
                    <div class=message id=loginMessage></div>
                    <div class=divider>
                        OR CONTINUE WITH
                    </div>
                    <div class=social>
                        <button type=button>
                            Google
                        </button>
                        <button type=button>
                            Apple
                        </button>
                        <button type=button>
                            GitHub
                        </button>
                    </div>
                    <div class=switch-text>
                        Don't have an account?
                        <span class=switch-btn onclick=flipCard()>
                            Create Account
                        </span>
                    </div>
                </div>
            </div>
            <div class="card-face signup-face">
                <div class=card-inner>
                    <div class=logo>✦</div>
                    <h1 class=title>
                        Create Account
                    </h1>
                    <p class=subtitle>
                        Join us and start your journey
                    </p>
                    <form id=signupForm>
                        <div class=field>
                            <input id=fullName placeholder=" " required>
                            <label>
                                Full Name
                            </label>
                        </div>
                        <div class=field>
                            <input type=email id=signupEmail placeholder=" " required>
                            <label>
                                Email Address
                            </label>
                        </div>
                        <div class="field password-field">
                            <input type=password id=signupPassword placeholder=" " required>
                            <label>
                                Create Password
                            </label>
                            <span class=eye onclick='togglePassword("signupPassword",this)'>
                                ◉
                            </span>
                        </div>
                        <div class="field password-field">
                            <input type=password id=confirmPassword placeholder=" " required>
                            <label>
                                Confirm Password
                            </label>
                            <span class=eye onclick='togglePassword("confirmPassword",this)'>
                                ◉
                            </span>
                        </div>
                        <label class=terms>
                            <input type=checkbox id=terms required>
                            <span>
                                I agree to the Terms & Conditions and Privacy Policy.
                            </span>
                        </label>
                        <button class=main-btn type=submit>
                            CREATE ACCOUNT
                        </button>
                    </form>
                    <div class=message id=signupMessage></div>
                    <div class=switch-text>
                        Already have an account?
                        <span class=switch-btn onclick=flipCard()>
                            Sign In
                        </span>
                    </div>
                </div>
            </div>
        </div>
    </div>

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

body {
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            font-family: Arial, Helvetica, sans-serif;
            color: #fff;
			scale:0.7;
            background: radial-gradient(circle at 20% 20%, #17303b, transparent 30%), radial-gradient(circle at 80% 80%, #16283d, transparent 30%), #070a0f;
        }

/* ========================= BACKGROUND ========================= */
        .bg-orb {
            position: fixed;
            border-radius: 50%;
            pointer-events: none;
            filter: blur(3px);
        }

.bg-orb.one {
            width: 180px;
            height: 180px;
            left: -70px;
            top: -70px;
            background: #00eaff;
            box-shadow: 0 0 100px #00eaff;
            animation: orb1 7s ease-in-out infinite;
        }

.bg-orb.two {
            width: 160px;
            height: 160px;
            right: -60px;
            bottom: -60px;
            background: #0077ff;
            box-shadow: 0 0 100px #0077ff;
            animation: orb2 8s ease-in-out infinite;
        }

@keyframes orb1 {
            50% {
                transform: translate(80px, 70px);
            }
        }

@keyframes orb2 {
            50% {
                transform: translate(-70px, -70px);
            }
        }

/* ========================= FLIP CONTAINER ========================= */
        .flip-container {
            width: min(430px, 92vw);
            height: 650px;
            perspective: 1500px;
        }

.flip-card {
            width: 100%;
            height: 100%;
            position: relative;
            transform-style: preserve-3d;
            transition: transform .9s cubic-bezier(.2, .75, .2, 1);
        }

.flip-card.flipped {
            transform: rotateY(180deg);
        }

/* ========================= ELECTRIC FRAME ========================= */
        .card-face {
            position: absolute;
            inset: 0;
            padding: 2px;
            border-radius: 30px;
            overflow: hidden;
            backface-visibility: hidden;
            isolation: isolate;
        }

.card-face::before {
            content: "";
            position: absolute;
            width: 180%;
            height: 180%;
            left: -40%;
            top: -40%;
            background: conic-gradient(transparent 0deg, transparent 255deg, #00eaff 285deg, #ffffff 305deg, #00eaff 325deg, transparent 350deg);
            animation: electric 3s linear infinite;
            z-index: -2;
        }

@keyframes electric {
            to {
                transform: rotate(360deg);
            }
        }

/* ========================= INNER CARD ========================= */
        .card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            padding: 42px 38px;
            border-radius: 28px;
            background: linear-gradient(145deg, #171e27, #0a0e14);
            box-shadow: inset 7px 7px 15px rgba(0, 0, 0, .85), inset -5px -5px 12px rgba(255, 255, 255, .035), 0 30px 80px rgba(0, 0, 0, .75);
            overflow: hidden;
        }

/* Signup back */
        .signup-face {
            transform: rotateY(180deg);
        }

/* ========================= DECORATIVE RINGS ========================= */
        .card-inner::before {
            content: "";
            position: absolute;
            width: 190px;
            height: 190px;
            border: 1px solid rgba(0, 234, 255, .18);
            border-radius: 50%;
            right: -100px;
            top: -100px;
            box-shadow: 0 0 30px rgba(0, 234, 255, .08), inset 0 0 30px rgba(0, 234, 255, .04);
            pointer-events: none;
        }

.card-inner::after {
            content: "";
            position: absolute;
            width: 100px;
            height: 100px;
            border: 1px solid rgba(0, 234, 255, .12);
            border-radius: 50%;
            left: -60px;
            bottom: -60px;
            pointer-events: none;
        }

/* ========================= LOGO ========================= */
        .logo {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            background: #10161e;
            color: #00eaff;
            font-size: 27px;
            font-weight: bold;
            box-shadow: 7px 7px 15px rgba(0, 0, 0, .8), -4px -4px 10px rgba(255, 255, 255, .04), inset 2px 2px 5px rgba(0, 0, 0, .7);
            text-shadow: 0 0 8px #00eaff, 0 0 22px #00eaff;
            animation: logoGlow 2.5s infinite;
        }

@keyframes logoGlow {
            50% {
                box-shadow: 7px 7px 15px rgba(0, 0, 0, .8), 0 0 28px rgba(0, 234, 255, .35);
            }
        }

/* ========================= TITLE ========================= */
        .title {
            text-align: center;
            font-size: 29px;
            margin-bottom: 7px;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px #000, -1px -1px 1px rgba(255, 255, 255, .12);
        }

.subtitle {
            text-align: center;
            font-size: 13px;
            color: #788596;
            margin-bottom: 28px;
        }

/* ========================= INPUT ========================= */
        .field {
            position: relative;
            margin-bottom: 19px;
        }

.field input {
            width: 100%;
            height: 53px;
            border: 1px solid transparent;
            outline: none;
            border-radius: 13px;
            padding: 0 18px;
            background: #0e141c;
            color: #fff;
            font-size: 14px;
            box-shadow: inset 5px 5px 10px rgba(0, 0, 0, .8), inset -3px -3px 7px rgba(255, 255, 255, .035);
            transition: .35s;
        }

.field label {
            position: absolute;
            left: 18px;
            top: 17px;
            padding: 0 5px;
            color: #667384;
            background: #0e141c;
            pointer-events: none;
            font-size: 13px;
            transition: .3s;
        }

.field input:focus {
            border-color: #00eaff;
            box-shadow: inset 5px 5px 10px rgba(0, 0, 0, .8), 0 0 0 1px rgba(0, 234, 255, .25), 0 0 18px rgba(0, 234, 255, .28);
        }

.field input:focus+label,
        .field input:not(:placeholder-shown)+label {
            top: -7px;
            color: #00eaff;
            font-size: 10px;
            text-shadow: 0 0 7px #00eaff;
        }

/* ========================= PASSWORD ========================= */
        .password-field input {
            padding-right: 52px;
        }

.eye {
            position: absolute;
            right: 17px;
            top: 17px;
            color: #657385;
            cursor: pointer;
            font-size: 17px;
            transition: .3s;
        }

.eye:hover {
            color: #00eaff;
            text-shadow: 0 0 8px #00eaff;
        }

/* ========================= OPTIONS ========================= */
        .options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 2px 2px 22px;
            font-size: 11px;
        }

.remember {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #718091;
            cursor: pointer;
        }

.remember input {
            accent-color: #00eaff;
        }

.link {
            color: #00eaff;
            cursor: pointer;
            text-decoration: none;
        }

.link:hover {
            text-shadow: 0 0 8px #00eaff;
        }

/* ========================= ELECTRIC BUTTON ========================= */
        .main-btn {
            width: 100%;
            height: 53px;
            position: relative;
            border: none;
            border-radius: 13px;
            cursor: pointer;
            overflow: hidden;
            color: #001015;
            font-weight: bold;
            font-size: 14px;
            letter-spacing: 1.5px;
            background: linear-gradient(120deg, #00a9c1, #00eaff, #9cffff, #00a9c1);
            background-size: 250% 100%;
            box-shadow: 0 8px 20px rgba(0, 0, 0, .6), 0 0 20px rgba(0, 234, 255, .25);
            animation: buttonMove 4s linear infinite;
            transition: .3s;
        }

@keyframes buttonMove {
            to {
                background-position: 250% 0;
            }
        }

.main-btn::before {
            content: "";
            position: absolute;
            width: 70px;
            height: 150%;
            top: -25%;
            left: -100px;
            background: rgba(255, 255, 255, .55);
            transform: rotate(20deg);
            transition: .55s;
        }

.main-btn:hover::before {
            left: 120%;
        }

.main-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, .75), 0 0 35px rgba(0, 234, 255, .65);
        }

.main-btn:active {
            transform: translateY(2px);
            box-shadow: inset 5px 5px 10px rgba(0, 0, 0, .4);
        }

/* ========================= DIVIDER ========================= */
        .divider {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 22px 0;
            color: #566272;
            font-size: 10px;
        }

.divider::before,
        .divider::after {
            content: "";
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, transparent, #293541, transparent);
        }

/* ========================= SOCIAL ========================= */
        .social {
            display: flex;
            gap: 10px;
        }

.social button {
            flex: 1;
            height: 42px;
            border: none;
            border-radius: 11px;
            background: #10161e;
            color: #8592a1;
            cursor: pointer;
            box-shadow: 5px 5px 10px rgba(0, 0, 0, .7), -3px -3px 7px rgba(255, 255, 255, .03);
            transition: .3s;
        }

.social button:hover {
            color: #00eaff;
            transform: translateY(-2px);
            box-shadow: 0 0 15px rgba(0, 234, 255, .2), 5px 5px 10px rgba(0, 0, 0, .7);
        }

/* ========================= SWITCH ========================= */
        .switch-text {
            text-align: center;
            margin-top: 22px;
            color: #697788;
            font-size: 12px;
        }

.switch-btn {
            color: #00eaff;
            cursor: pointer;
            margin-left: 5px;
            font-weight: bold;
            transition: .3s;
        }

.switch-btn:hover {
            text-shadow: 0 0 10px #00eaff;
        }

/* ========================= CHECKBOX ========================= */
        .terms {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            color: #687688;
            font-size: 10px;
            line-height: 1.5;
            margin: 2px 2px 20px;
        }

.terms input {
            margin-top: 2px;
            accent-color: #00eaff;
        }

.terms span {
            color: #00eaff;
        }

/* ========================= SUCCESS MESSAGE ========================= */
        .message {
            text-align: center;
            margin-top: 12px;
            min-height: 16px;
            font-size: 11px;
            color: #00eaff;
        }

/* ========================= MOBILE ========================= */
        @media(max-width:500px) {
            .flip-container {
                height: 620px;
            }

.card-inner {
                padding: 34px 22px;
            }

.title {
                font-size: 25px;
            }

.social {
                gap: 7px;
            }

.social button {
                font-size: 11px;
            }
        }

/* =========================
   FLIP CARD
========================= */

function flipCard() {

const card =
        document.getElementById("flipCard");

card.classList.toggle("flipped");

}

/* =========================
   PASSWORD TOGGLE
========================= */

function togglePassword(id, element) {

const input =
        document.getElementById(id);

if (input.type === "password") {

input.type = "text";

element.style.color = "#00eaff";

} else {

input.type = "password";

element.style.color = "";

}

/* =========================
   LOGIN DEMO
========================= */

document
.getElementById("loginForm")
.addEventListener("submit", function(e) {

e.preventDefault();

const message =
        document.getElementById("loginMessage");

message.textContent =
        "✓ Login successful";

setTimeout(() => {

message.textContent = "";

}, 3000);

});

/* =========================
   SIGNUP DEMO
========================= */

document
.getElementById("signupForm")
.addEventListener("submit", function(e) {

e.preventDefault();

const password =
        document.getElementById("signupPassword").value;

const confirm =
        document.getElementById("confirmPassword").value;

const message =
        document.getElementById("signupMessage");

if (password !== confirm) {

message.style.color = "#ff4268";

message.textContent =
            "✕ Passwords do not match";

return;
    }

message.style.color = "#00ffb3";

message.textContent =
        "✓ Account created successfully";

setTimeout(() => {

message.textContent = "";

}, 3000);

});

- Animated Electric Login & Signup

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