body {
    background-image: url('clickbackground.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f0f0f0;
    position: relative;
    overflow: hidden;
}

#connectButton {
    margin-bottom: 20px;
    font-size: 30px;
    width: 180px;
    height: 60px;
    background-color: #006aff;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'Arial', sans-serif; /* 修改字體 */
    font-weight: bold; /* 設置為粗體 */
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#connectButton:hover {
    background-color: #004271;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

#connectButton:active {
    background-color: #3e8e41;
    transform: scale(0.98);
}

.button {
    position: relative;
    top: -10px;
    border: none; 
    background: none; 
    cursor: pointer; 
    padding: 0; 
    margin: 5px;
}

.button img {
    width: 80px; /* 設定圖片大小 */
    height: auto; /* 保持比例 */
}

.button img:hover {
    transform: scale(1.1); /* 鼠標懸停時放大效果 */
    transition: transform 0.1s; /* 過渡效果 */
}

.button img:active {
    transform: scale(0.9); /* 點擊時縮小效果 */
}

#record {
    margin: 20px;
    font-size: 30px;
    width: 300px;
    text-align: center;
    color: #333;
    font-family: 'Arial', sans-serif; /* 修改字體 */
    font-weight: bold; /* 設置為粗體 */
}

#controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px; /* 按鈕之間的間距 */
    position: relative;
    top: 40px; /* 控制整體位置 */
    font-family: 'Arial', sans-serif; /* 修改字體 */
    font-weight: bold; /* 設置為粗體 */
}

#clearButton {
    width: 100px;
    height: 50px;
    font-size: 30px;
    /* position: relative;
    top: -10px; */
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    color: white;
    background-color: #a0a7ae;
}

#sendButton {
    width: 200px;
    height: 50px;
    font-size: 30px;
    /* position: relative; */
    /* top: -60px;
    left: 120px; */
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    color: white;
    background-color: #ffa200;
}

#clearButton:hover {
    background-color: #3a3a3a;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}
#sendButton:hover {
    background-color: #eb6f0a;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

#sendButton:active {
    background-color: #fb6e09;
    transform: scale(0.98);
}

#beeButton {
    border: none; 
    background: none; 
    cursor: pointer; 
    padding: 0; 
    position: absolute;
    top:3%;
    left:10px;
    text-align: center;
}

#beeButton img {
    width: 100px; /* 設定寬度 */
    height: auto; /* 高度自動，保持比例 */
}

#beeButton :hover {
    transform: scale(1.05); /* 鼠標懸停時放大效果 */
}

#beeButton span {
    display: block; /* 讓文字在圖片下方 */
    font-size: 16px; /* 設定字體大小 */
    margin-top: 5px; /* 增加文字與圖片之間的間距 */
    color: #333; /* 字體顏色 */
}

#HBDButton {
    border: none; 
    background: none; 
    cursor: pointer; 
    padding: 0; 
    position: absolute;
    top:3%;
    left:130px;
}

#HBDButton img {
    width: 100px; /* 設定寬度 */
    height: auto; /* 高度自動，保持比例 */
}

#HBDButton :hover {
    transform: scale(1.05); /* 鼠標懸停時放大效果 */
}

.bopomofo {
    font-size: 12px; /* 設定注音字體大小 */
    color: #020202; /* 注音顏色 */
}


#regressionButton {
    width: 100px;
    height: 50px;
    font-size: 30px;
    /* position: relative;
    top: -60px;
    left:0px; */
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
    color: white;
    background-color: #a0a7ae;
}

#regressionButton:hover{
    background-color: #424242;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* 在寬度小於768px時進行樣式調整 */
@media (max-width: 1000px) {
    #connectButton, #clearButton, #sendButton, #regressionButton {
        width: 110px; /* 調整按鈕寬度 */
        height: auto; /* 調整按鈕高度 */
        font-size: 22px; /* 調整字體大小 */
    }

    #buttonContainer .button img , #beeButton img, #HBDButton img{
        width: 60px; /* 調整圖片大小 */
    }

    #beeButton {
        left: 3%; 
    }

    #HBDButton{
        left: 12%;
    }

    #record {
        font-size: 20px; /* 調整紀錄文字大小 */
        position: relative;
        top: -20px;
    }

    #controls {
        width: auto; /* 自動適應寬度 */
        left: 20%; /* 居中對齊 */
        top:-20px;
        transform: translateX(-50%);
        font-size: 20px;
    }

    #sendButton {
        width: 100px;
        height: auto;
        top:20px;
        left: 100px;
        font-size: 20px;
    }

    #clearButton {
        width: 80px;
        height: auto;
        top:20px;
        font-size: 20px;
        left:80px;
    }
}