body {
    margin: 0;
    overflow: hidden;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
}
canvas {
    display: block;
}
#ui {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 10px;
    border-radius: 5px;
}
#plantSelection {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 10px;
    border-radius: 5px;
}
.plant-icon {
    width: 50px;
    height: 50px;
    background-color: #4CAF50;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
}
.plant-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}
.plant-icon:hover {
    background-color: #45a049;
}
#mergeArea {
    position: absolute;
    bottom: 18vh;
    left: 47%;
    transform: translateX(-50%);
    width: 73vw;
    height: 68vh;
    background-color: rgba(255, 255, 0, 0.3);
    border: 2px dashed yellow;
    border-radius: 5px;
    display: none;
    justify-content: center;
    align-items: center;
    font-weight: bold;
}
#loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 24px;
    z-index: 100;
}

#plantPreview {
    position: absolute;
    width: 50px;
    height: 50px;
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    display: none;
    z-index: 100;
}

.sun-effect {
    position: absolute;
    width: 30px;
    height: 30px;
    background-image: url('/assets/sun.webp');
    background-size: contain;
    animation: sunCollect 1s forwards;
    z-index: 99;
}

@keyframes sunCollect {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0) translateY(-50px);
        opacity: 0;
    }
}

#pauseMenu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 200;
    color: white;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

#pauseMenu h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

#pauseMenu button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    margin: 10px;
    cursor: pointer;
    border-radius: 5px;
}