@font-face {
    font-family: 'Poppins';
    src: url(./fonts/Poppins/Poppins-Regular.ttf);
}

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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #25252b;
}

.container {
    position: relative;
    width: 750px;
    height: 450px;
    background: #25252b;
    border: 2px solid #ff27d4;
    box-shadow: 0 0 25px #ff27d4;
    overflow: hidden;
}

.diagonal-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #25252b 0%, #ff27d4 70%);
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
    transition: clip-path .6s ease, background .6s ease;
    z-index: 1;
}

.container.active .diagonal-bg {
    background: linear-gradient(225deg, #25252b 0%, #ff27d4 70%);
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.form-box,
.info-content {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 40px;
    transition: .6s ease;
    z-index: 5;
}

.form-box h2,
.info-content h2 {
    color: #fff;
}

.form-box.login {
    left: 0;
}

.form-box.register {
    right: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
}

.container.active .form-box.login {
    transform: translateX(-100%);
    opacity: 0;
    pointer-events: none;
}

.container.active .form-box.register {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.form-box h2 {
    font-size: 32px;
    text-align: center;
    margin-bottom: 5px;
}

.input-box {
    position: relative;
    width: 100%;
    height: 50px;
    margin-top: 25px;
}

.input-box input {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-size: 1rem;
    color: #fff;
    font-weight: 600;
    border-bottom: 2px solid #fff;
    padding-right: 24px;
    transition: .4s;
}

.input-box input:focus,
.input-box input:valid {
    border-bottom: 2px solid #ff27d4;
}


.input-box label {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    font-size: 1rem;
    color: #fff;
    pointer-events: none;
    transition: .4s;
}

.input-box input:focus ~ label,
.input-box input:valid ~ label,
.input-box input.has-value ~ label {
    top: -6px;
    color: #ff27d4;
}


.input-box i {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    font-size: 18px;
    color: #fff;
    transition: .4s;
}

.input-box input:focus ~ i,
.input-box input:valid ~ i,
.input-box input.has-value ~ i {
    color: #ff27d4;
}

.sbmt-btn {
    margin-top: 40px;
    width: 100%;
    height: 45px;
    background: linear-gradient(90deg, #ff27d4, #ff5a9a, #ff27d4);
    border: 2px solid #ff27d4;
    border-radius: 40px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.sbmt-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #25252b, #ff27d4, #25252b);
    opacity: 0;
    transition: .5s;
}

.sbmt-btn:hover::before {
    opacity: .3;
}

.regi-link {
    font-size: 14px;
    text-align: center;
    margin: 18px 0 0;
    color: #fff;
}

.regi-link a {
    color: #ff27d4;
    font-weight: 600;
    text-decoration: none;
}

.regi-link a:hover {
    text-decoration: underline;
}

.info-content {
    z-index: 6;
}

.info-content.login {
    right: 0;
    text-align: right;
    padding: 0 40px 40px 150px;
    pointer-events: none;
}

.info-content.register {
    left: 0;
    text-align: left;
    padding: 0 150px 40px 40px;
    opacity: 0;
    transform: translateX(-100%);
    pointer-events: none;
}

.container.active .info-content.login {
    transform: translateX(100%);
    opacity: 0;
}

.container.active .info-content.register {
    transform: translateX(0);
    opacity: 1;
}

.info-content h2 {
    text-transform: uppercase;
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 10px;
}

.info-content p {
    color: #fff;
    font-size: 1rem;
    line-height: 1.3;
    max-width: 270px;
}

@media (max-width: 1200px) {
    .container {
        width: 700px;
        height: 420px;
    }

    .form-box,
    .info-content {
        padding: 0 35px;
    }

    .info-content.login {
        padding: 0 35px 35px 130px;
    }

    .info-content.register {
        padding: 0 130px 35px 35px;
    }

    .form-box h2 {
        font-size: 30px;
    }

    .info-content h2 {
        font-size: 32px;
    }
}

@media (max-width: 1024px) {
    .container {
        width: 650px;
        height: 400px;
    }

    .form-box,
    .info-content {
        padding: 0 30px;
    }

    .info-content.login {
        padding: 0 30px 30px 110px;
    }

    .info-content.register {
        padding: 0 110px 30px 30px;
    }

    .form-box h2 {
        font-size: 28px;
    }

    .info-content h2 {
        font-size: 28px;
    }

    .info-content p {
        font-size: 0.9rem;
        max-width: 230px;
    }

    .input-box {
        height: 45px;
        margin-top: 20px;
    }

    .input-box input {
        font-size: 0.95rem;
    }

    .sbmt-btn {
        height: 42px;
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    body {
        padding: 20px;
    }

    .container {
        width: 100%;
        max-width: 450px;
        height: auto;
        min-height: 500px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .diagonal-bg {
        display: none;
    }

    .info-content.login,
    .info-content.register {
        display: none;
    }

    .form-box {
        width: 100%;
        height: 100%;
        padding: 40px;
        position: static;
        transform: none !important;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: stretch;
    }

    .form-box.login {
        opacity: 1;
        pointer-events: auto;
    }

    .form-box.register {
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .container.active .form-box.login {
        opacity: 0;
        pointer-events: none;
    }

    .container.active .form-box.register {
        opacity: 1;
        pointer-events: auto;
    }

    .form-box h2 {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .input-box {
        margin-top: 20px;
    }
}


@media (max-width: 576px) {
    body {
        padding: 15px;
    }

    .container {
        max-width: 100%;
        min-height: 480px;
        border-width: 1px;
        box-shadow: 0 0 15px #ff27d4;
    }

    .form-box {
        padding: 35px 30px;
    }

    .form-box h2 {
        font-size: 26px;
        margin-bottom: 12px;
    }

    .input-box {
        height: 45px;
        margin-top: 18px;
    }

    .input-box input {
        font-size: 0.95rem;
    }

    .input-box label {
        font-size: 0.95rem;
    }

    .input-box i {
        font-size: 17px;
    }

    .sbmt-btn {
        height: 42px;
        font-size: 0.95rem;
        margin-top: 12px;
    }

    .regi-link {
        font-size: 13px;
        margin-top: 16px;
    }
}

@media (max-width: 400px) {
    body {
        padding: 12px;
    }

    .container {
        min-height: 460px;
    }

    .form-box {
        padding: 30px 25px;
    }

    .form-box h2 {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .input-box {
        height: 42px;
        margin-top: 16px;
    }

    .input-box input {
        font-size: 0.9rem;
    }

    .input-box label {
        font-size: 0.9rem;
    }

    .input-box i {
        font-size: 16px;
    }

    .sbmt-btn {
        height: 40px;
        font-size: 0.9rem;
        border-radius: 30px;
    }

    .regi-link {
        font-size: 12px;
        margin-top: 14px;
    }
}

@media (max-width: 320px) {
    body {
        padding: 10px;
    }

    .container {
        min-height: 440px;
    }

    .form-box {
        padding: 25px 20px;
    }

    .form-box h2 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .input-box {
        height: 40px;
        margin-top: 14px;
    }

    .input-box input {
        font-size: 0.85rem;
        padding-right: 22px;
    }

    .input-box label {
        font-size: 0.85rem;
    }

    .input-box i {
        font-size: 15px;
    }

    .sbmt-btn {
        height: 38px;
        font-size: 0.85rem;
        margin-top: 10px;
        border-radius: 25px;
    }

    .regi-link {
        font-size: 11px;
        margin-top: 12px;
    }
}

.error {
    position: absolute;
    color: white;
    font-size: 0.85rem;
    margin-top: 5px;
    min-height: 20px;
    font-weight: 500;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
    -webkit-text-fill-color: white;
    -webkit-box-shadow: #25252b;
    caret-color: white;
    transition: background-color 5000s ease-in-out 0s;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}