body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #87CEEB;
}

#gameCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#score, #fish-type {
    position: absolute;
    left: 10px;
    font-size: 20px;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

#score {
    top: 10px;
}

#fish-type {
    top: 40px;
}

#start-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10;
}

#start-screen h1 {
    color: white;
    font-size: 48px;
    margin-bottom: 20px;
}

#start-button {
    font-size: 24px;
    padding: 10px 20px;
    cursor: pointer;
}

#mobile-controls {
    display: none;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 180px;
}

.control-row {
    display: flex;
    justify-content: space-between;
    height: 33.33%;
}

.control-cell {
    width: 33.33%;
}

#mobile-controls button {
    width: 60px;
    height: 60px;
    font-size: 24px;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
}

@media (max-width: 768px) {
    #mobile-controls {
        display: block;
    }
}

@media (max-width: 768px) {
    #mobile-controls {
        display: block;
    }
}