@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100&display=swap');

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #0a0a1a;
    overflow: hidden;
    font-family: 'Roboto', sans-serif;
}

.nucleus {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, #fff, #ff0055);
    border-radius: 50%;
    box-shadow: 0 0 50px #ff0055;
    z-index: 10;
}

.electron {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: #00ffff;
    border-radius: 50%;
    box-shadow: 0 0 20px #00ffff;
    z-index: 5;
    /* Transformation logic handled by JS for smooth orbit vs quantum tunneling */
}

.prompt {
    position: absolute;
    bottom: 50px;
    width: 100%;
    text-align: center;
    color: #fff;
    letter-spacing: 5px;
    opacity: 0.5;
    pointer-events: none;
}