/* style.css */
body {
    margin: 0;
    overflow: hidden; /* Prevent scrollbars */
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: Arial, sans-serif; /* Added fallback font */
}

/* Style the container if needed, or directly style the canvas */
/* Removed empty ruleset for #gameContainer */

canvas {
    display: block; /* Remove extra space below canvas if needed */
    border: 1px solid #222; /* Optional border */
}

#messageBox {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #0f0; /* Green computer text color */
    font-size: 3em;
    font-weight: bold;
    text-align: center;
    display: none; /* Hidden initially */
    text-shadow: 0 0 8px #0f0, 0 0 15px #0f0;
    pointer-events: none; /* Allow clicks/touches through message */
    line-height: 1.2;
    z-index: 10; /* Ensure message box is on top */
}


#distanceCounter {
    position: absolute;
    top: 20px;
    left: 20px;
    color: #0f0; /* Match message box color */
    font-size: 1.5em;
    font-family: 'Arial', sans-serif;
    text-shadow: 0 0 5px #0f0;
    z-index: 10; /* Ensure it's on top */
}

/* Add these styles for the health bar */
#healthBarContainer {
    position: absolute;
    top: 50px; /* Position below distance counter */
    left: 20px;
    color: #0f0;
    font-size: 1.5em;
    font-family: 'Arial', sans-serif;
    text-shadow: 0 0 5px #0f0;
    z-index: 10;
    background-color: rgba(50, 50, 50, 0.5); /* Semi-transparent background */
    padding: 5px;
    border-radius: 5px;
    display: flex; /* Align text and bar */
    align-items: center;
}

#healthBar {
    width: 150px; /* Width of the health bar */
    height: 15px;
    background-color: #ff0000; /* Red background (empty part) */
    border: 1px solid #0f0;
    border-radius: 3px;
    margin-left: 10px; /* Space between text and bar */
    overflow: hidden; /* Hide overflow for inner bar */
    position: relative; /* Needed for inner bar positioning */
}

#healthBar::after { /* Pseudo-element for the green part */
    content: '';
    display: block;
    height: 100%;
    width: 100%; /* Default to full */
    background-color: #00ff00; /* Green health */
    position: absolute;
    left: 0;
    top: 0;
    transition: width 0.3s ease-in-out; /* Smooth transition on health change */
}
/* Add this rule for the health bar fill */
#healthBar::after {
    content: '';
    display: block;
    height: 100%;
    /* Use the CSS variable set by JavaScript */
    width: var(--health-percentage, 100%);
    background-color: #00ff00; /* Green health */
    position: absolute;
    left: 0;
    top: 0;
    transition: width 0.3s ease-in-out; /* Smooth transition on health change */
    border-radius: 2px; /* Match outer border-radius slightly */
}

/* Add these styles for the hit flash effect */
#hitFlashOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 0, 0, 0.5); /* Semi-transparent red */
    opacity: 0; /* Start hidden */
    pointer-events: none; /* Don't block interactions */
    z-index: 100; /* Ensure it's on top */
    transition: opacity 0.1s ease-out; /* Quick fade out */
}