@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500&family=Open+Sans&display=swap');

:root {
    --space-bg: #251255ff;
    --nebula-purple: #4d2f6f;
    --glow-blue: #4ae8f0ff;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --input-bg: rgba(255, 255, 255, 0.1);
    --button-glow: 0 0 10px #9c647e, 0 0 20px #b300ff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
 
body {
    background: radial-gradient(circle at 30% 30%, rgb(8, 7, 34), #111169);
    color: var(--white);
    font-family:'Open Sans', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    background-color: var(--glass-bg);
    padding: 40px 30px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 0 125px rgba(106, 0, 255, 0.558);
    backdrop-filter: blur(12px);
    max-width: 360px;
    width: 90%;
    animation: fadeIn 1.2s ease;
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--glow-blue);
    text-shadow: 0 0 6px var(--glow-blue);
}

label {
    display: block;
    font-size: 1rem;
    margin-bottom: 10px;
}

input[type="number"] {
    padding: 10px;
    font-family: fantasy;
    font-size: 1rem;
    width: 85%;
    background-color: var(--input-bg);
    border: 1px solid #444;
    border-radius: 10px;
    color: var(--white);
    outline: none;
    margin-bottom: 20px;
    transition: border 0.3s ease, box-shadow 0.3s ease;
}

input[type="number"]:focus {
    border: 1px solid var(--glow-blue);
    box-shadow: 0 0 8px var(--glow-blue);
}

button {
    padding: 12px 25px;
    font-size: 1rem;
    font-family: monospace;
    background-color: var(--nebula-purple);
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: var(--button-glow);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

button:hover {
    background-color: #60326d;
    transform: scale(1.05);
}

#result {
    margin-top: 25px;
    font-size: 1rem;
    line-height: 1.6;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}