@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

:root {
    --color-bg1: #8cff5f;
    --color-bg2: #23c1ff;
    --color-bg3: #ff9900;
    --color-text: #002f42;
    --color-input-border: #98e2ff;
    --color-input-focus: #008dc5;
    --color-button-bg1: #0075a4;
    --color-button-bg2: #005273;
    --color-button-text: #d7f4ff;
    --color-links: #002f42;
    --color-links-hover: #d7f4ff;
    --color-popup-bg: #d36d6d;
    --color-popup-text: #d7f4ff;
    --color-input-label: #002f42;
}

* {
    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: linear-gradient(45deg, var(--color-bg1), var(--color-bg2), var(--color-bg3));
    background-size: 400% 400%;
    animation: gradientBG 30s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

h1 {
    font-size: 460%;
    font-weight: 100;
    text-shadow: 0 15px 35px rgba(180, 238, 255, 0.671);
}

.container {
    width: 400px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.849);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.login-form h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--color-text);
}

.input-group {
    position: relative;
    margin-bottom: 30px;
}

.input-group input {
    width: 100%;
    padding: 10px 0;
    font-size: 16px;
    color: var(--color-text);
    border: none;
    border-bottom: 2px solid var(--color-input-border);
    outline: none;
    background: transparent;
    transition: 0.3s;
}

.input-group label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 10px 0;
    font-size: 16px;
    color: var(--color-input-label);
    pointer-events: none;
    transition: 0.3s;
}

.input-group input:focus ~ label,
.input-group input:valid ~ label {
    top: -20px;
    font-size: 14px;
    color: var(--color-input-focus);
}

.input-group input:focus,
.input-group input:valid {
    border-bottom: 2px solid var(--color-input-focus);
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, var(--color-button-bg1), var(--color-button-bg2));
    border: none;
    border-radius: 25px;
    color: var(--color-button-text);
    font-size: 19px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    outline: none;
}

button:hover {
    background: linear-gradient(45deg, var(--color-button-bg2), var(--color-button-bg1));
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.links {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

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

.links a:hover {
    color: var(--color-links-hover);
}

.popup span {
    color: var(--color-text);
    font-size: 16px;
    font-weight: 500;
}

.popup-trigger:active + .popup {
    bottom: 20px;
    animation: fadeOut 0.5s forwards 10s;
}

body:active .popup,
body:focus-within .popup {
    bottom: 20px;
    animation: fadeOut 0.5s forwards 10s;
}

.popup {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-popup-bg);
    padding: 20px 30px;
    border-radius: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: bottom 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    z-index: 1000;
}

.popup span {
    color: var(--color-popup-text);
    font-size: 20px;
    font-weight: 500;
}

@keyframes fadeOut {
    0%, 80% {
        bottom: 20px;
        opacity: 1;
    }
    100% {
        bottom: -100px;
        opacity: 0;
    }
}

@keyframes fadeOut {
    to {
        bottom: -100px;
    }
}

.popup-trigger {
    display: inline-block;
    position: relative;
    z-index: 1;
    outline: none;
}