:root {
    --primary-color: #00c6ff;
    --secondary-color: #0072ff;
    --text-color: #fff;
    --bg-color: #121212;
    --white: #ffffff;
    --gray: #333;
    --gradient: linear-gradient(to right, #00c6ff, #0072ff);
}

* {
    box-sizing: border-box;
}

body {
    background: #121212;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-family: 'Outfit', sans-serif;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    background: radial-gradient(circle at top left, #2b32b2, #1488cc);
}

h1 {
    font-weight: 700;
    margin: 0;
    color: var(--text-color);
}

h2 {
    text-align: center;
}

p {
    font-size: 14px;
    font-weight: 300;
    line-height: 20px;
    letter-spacing: 0.5px;
    margin: 20px 0 30px;
    color: #ddd;
}

span {
    font-size: 12px;
    margin-bottom: 15px;
    color: #bbb;
}

a {
    color: var(--text-color);
    font-size: 14px;
    text-decoration: none;
    margin: 15px 0;
    transition: color 0.3s;
}

a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 5px rgba(0, 198, 255, 0.5);
}

button {
    border-radius: 20px;
    border: 1px solid var(--primary-color);
    background: var(--gradient);
    color: var(--white);
    font-size: 12px;
    font-weight: bold;
    padding: 12px 45px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 80ms ease-in, box-shadow 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.4);
}

button:active {
    transform: scale(0.95);
}

button:focus {
    outline: none;
}

button.ghost {
    background: transparent;
    border-color: var(--white);
    box-shadow: none;
}

button.ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

form {
    background-color: rgba(0, 0, 0, 0.6);
    /* Semi-transparent dark bg */
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 50px;
    height: 100%;
    text-align: center;
}

.input-group {
    position: relative;
    width: 100%;
    margin: 8px 0;
}

.input-group i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 15px;
    color: #aaa;
    font-size: 14px;
    transition: color 0.3s;
}

.input-group input:focus+i,
.input-group input:not(:placeholder-shown)+i {
    color: var(--primary-color);
}

input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 12px 15px 12px 40px;
    width: 100%;
    border-radius: 8px;
    outline: none;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s;
}

input::placeholder {
    color: #aaa;
}

input:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 198, 255, 0.2);
}

.container {
    background-color: transparent;
    border-radius: 20px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.5),
        0 10px 10px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-container {
    position: absolute;
    top: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}

.sign-in-container {
    left: 0;
    width: 50%;
    z-index: 2;
}

.container.right-panel-active .sign-in-container {
    transform: translateX(100%);
}

.sign-up-container {
    left: 0;
    width: 50%;
    opacity: 0;
    z-index: 1;
}

.container.right-panel-active .sign-up-container {
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
    animation: show 0.6s;
}

@keyframes show {

    0%,
    49.99% {
        opacity: 0;
        z-index: 1;
    }

    50%,
    100% {
        opacity: 1;
        z-index: 5;
    }
}

.overlay-container {
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: transform 0.6s ease-in-out;
    z-index: 100;
}

.container.right-panel-active .overlay-container {
    transform: translateX(-100%);
}

.overlay {
    background: linear-gradient(to right, #00c6ff, #0072ff);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 0 0;
    color: var(--white);
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

.container.right-panel-active .overlay {
    transform: translateX(50%);
}

.overlay-panel {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    top: 0;
    height: 100%;
    width: 50%;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

.overlay-left {
    transform: translateX(-20%);
}

.container.right-panel-active .overlay-left {
    transform: translateX(0);
}

.overlay-right {
    right: 0;
    transform: translateX(0);
}

.container.right-panel-active .overlay-right {
    transform: translateX(20%);
}

.social-container {
    margin: 20px 0;
}

.social-container a {
    border: 1px solid #DDDDDD;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin: 0 5px;
    height: 40px;
    width: 40px;
    transition: all 0.3s;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.social-container a:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 10px rgba(0, 198, 255, 0.5);
}