#game-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 400px;
    background: #000;
    border: 3px solid #4CAF50;
    margin: 10px auto;
    overflow: hidden;
    border-radius: 10px;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

#volume-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    color: #4CAF50;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: 2px 2px #000;
    pointer-events: none;
}

#mobile-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    width: 100%;
}

.control-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: #333;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 4px #111;
}

.control-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px #111;
}

.control-btn.shoot {
    background: #f44336;
    width: 80px;
    border-radius: 10px;
    font-weight: bold;
}

#status-text { margin-top: 10px; font-weight: bold; min-height: 1.2em; }