/* Override body for this page to prevent scrolling */
body {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Container for the game to fill space below Nav */
#game-wrapper {
    position: relative;
    flex: 1;
    /* Takes remaining height */
    width: 100%;
    background-color: var(--bg-color);
    overflow: hidden;
}

#canvas-container {
    width: 100%;
    height: 100%;
    display: block;
}

/* UI Overlays adapted to Theme */
#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px;
}

#score-board {
    font-family: var(--font-code);
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 10px var(--accent-glow);
}

#controls-hint {
    font-family: var(--font-code);
    color: var(--text-secondary);
    text-align: center;
    font-size: 0.9rem;
    margin-bottom: 20px;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px;
    border-radius: 4px;
    align-self: center;
}

/* Game Over Screen - Themed */
#game-over-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.9);
    /* Dark overlay */
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s;
}

#game-over-screen.visible {
    opacity: 1;
    pointer-events: auto;
}

#game-over-screen h1 {
    color: #ff5f56;
    /* Warning Red for Death */
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(255, 95, 86, 0.5);
}

.stats-text {
    color: var(--text-primary);
    font-family: var(--font-code);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Use the existing .btn class but ensure visibility on dark bg */
.btn-restart {
    border-color: #ff5f56;
    color: #ff5f56;
}

.btn-restart:hover {
    background-color: #ff5f56;
    color: white;
    box-shadow: 0 0 20px rgba(255, 95, 86, 0.5);
}