/* Game Section */
#fun-zone {
    background-color: #0f172a;
    /* Match body bg for seamless look */
    padding: 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border);
}

.game-container {
    width: 100%;
    height: 600px;
    /* Fixed height for the game view */
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: none;
    /* Hide cursor for immersion */
}

/* UI Overlay */
.game-ui {
    position: absolute;
    top: 20px;
    left: 40px;
    pointer-events: none;
    z-index: 10;
}

.score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    font-family: 'Courier New', monospace;
    /* Tech feel */
    opacity: 0.8;
}

.start-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 20;
    background: rgba(15, 23, 42, 0.85);
    /* Semi-transparent background */
    backdrop-filter: blur(8px);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.start-screen h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.start-screen p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.btn-start {
    background: var(--text-main);
    color: var(--bg-body);
    padding: 1rem 3rem;
    border: none;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    border-radius: 4px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-start:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}