/* Apply background and center all text contents */
body {
    background-color: #2e2e2e; /* A standard dark gray background */
    color: #00ff00;            /* Bright lime green text */
    font-family: Arial, sans-serif;
    text-align: center;        /* Centers all text alignment */
    
    /* Center the main viewport interface on the screen */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

/* Container creating the border around the whole layout screen */
.screen-border {
    background: #111;
    border: 4px solid #555;
    border-bottom: 6px solid #292929;
    outline: 2px solid #171518;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 450px;
    box-sizing: border-box;
}

/* Universal style for text blocks and headings */
h2, p, span {
    color: #00ff00;            /* Ensuring all headings and strings stay lime */
}

/* Simple gray button styles */
button {
    background-color: #555555; /* Neutral shade of gray */
    color: #ffffff;            /* White text for contrast */
    border: 1px solid #777777; /* Subtly lighter gray border */
    padding: 8px 16px;
    margin: 5px;
    cursor: pointer;
    font-size: 14px;
    border-radius: 4px;
}

/* Simple hover state for the buttons */
button:hover {
    background-color: #666666; /* Slightly lighter gray on hover */
}

/* Input fields matching the color theme */
input[type="text"] {
    background-color: #444444; /* Dark gray input background */
    color: #00ff00;            /* Lime text inside input */
    border: 1px solid #00ff00; /* Lime border around input */
    padding: 8px;
    border-radius: 4px;
    text-align: center;        /* Centers placeholder and user text */
}

/* Stylized horizontal dividers */
hr {
    border: 0;
    border-top: 1px solid #00ff00; /* Lime green line separators */
    margin: 20px 0;
}