/*詞彙練習頁面樣式*/
* {
    box-sizing: border-box;
}

/************************RWD-手機優先(479.99px以下)**********************/

/*主容器-header*/
#practice_header_container{
    box-sizing: border-box;
    position: absolute;
    overflow-y: hidden;

    left: 0;
    top: 0;
    width: 100%;
    height: 19.45vh;
    min-height: 100px;

    /*樣式*/
    background-color: #50B5B9;
}

/*主容器-content*/
#practice_content_container{
    box-sizing: border-box;
    position: absolute;
    overflow-y: auto;
    overflow-x: hidden;

    left: 0;
    top: max(19.45vh,100px);
    width: 100%;
    height: calc(100vh - max(19.45vh,100px) - max(12.32vh,100px)); /*去掉header、navbar*/

    padding: max(4.67vh, 30px) 7.46vw max(4.67vh, 30px) 7.46vw;
}

/*子容器高度*/
#practice_content_container > div{
    height: auto;
}

/*標題容器*/
#practice_header_title{
    box-sizing: border-box;
    position: absolute;
    width: fit-content;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    bottom: 13.2%;
    text-align: center;
}

/*關閉按鈕*/
#practice_header_btn{
    position: absolute;
    left: 5%;
    bottom: 45%;

    background-color: unset;
    border: unset;
    z-index: 99;
}

/*關閉icon大小*/
#practice_header_btn > img{
    width: 0.875rem;
    height: auto;
}

/*關閉icon active效果*/
#practice_header_btn:active{
    cursor: pointer;
    transition: transform 0.15s ease;
    transform: scale(0.9);
}

/*內容對話容器*/
.practice_content_item{
    box-sizing: border-box;
    width: fit-content;
    max-width: 67%;
    /* border: 30px solid transparent; */
    /* padding: 30px; */
    /* background-color: #FFFFFF77; */
    position: relative;
    /* border-radius: 10px; */
}

.practice_top_margin{
    margin-top: 1rem;
}

/*左右對話框樣式*/
.practice_L{     
    /* border-image: url('../images/practice_L.png') 30 fill; */
    /* margin-right: auto; */
    background-color: #F2F2F2;
    border: 2px solid #A1A1A1;
}
.practice_L::before{ 
    content: "";
    position: absolute;
    border-top: 25px solid transparent;
    /* border-bottom: 10px solid transparent; */
    border-right: 25px solid #A1A1A1;
    left: -25px;      /* 往外延伸一點 */
    bottom: -2px;
    width: 0;
    height: 0;
}
.practice_L::after{ 
    content: "";
    position: absolute;
    left: -21px;       /* 要比 before 靠右一點 */
    bottom: 0;
    width: 0;
    height: 0;
    border-top: 23px solid transparent;
    /* border-bottom: 8px solid transparent; */
    border-right: 23px solid #F2F2F2; /* 同背景色 */
}

.practice_R{
    /* border-image: url('../images/practice_R.png') 30 fill; */
    margin-left: auto;
    background-color: #E6FAFA;
    border: 2px solid #50B5B9;
}
.practice_R::before{
    content: "";
    position: absolute;
    border-top: 25px solid transparent;
    border-left: 25px solid #50B5B9;
    right: -25px;  
    bottom: -2px;
    width: 0;
    height: 0;
}
.practice_R::after{
    content: "";
    position: absolute;
    right: -21px; 
    bottom: 0;
    width: 0;
    height: 0;
    border-top: 23px solid transparent;
    border-left: 23px solid #E6FAFA;
}

/*對話框子容器*/
.practice_content_item > div{
    box-sizing: border-box;
    position: relative;
    /* width: calc(100% + 60px); */
    /* margin: -30px; */

    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.practice_L > div{
    padding: 1rem 0.625rem 1rem 2rem;
}

.practice_R > div{
    padding: 1rem 1.5625rem 1rem 1rem;
}

/*對話框內容容器*/
.practice_content_sub_container{
    display: flex;
    align-items: baseline;
    /* gap: max(5%, 8px); */
    /* width: fit-content; */
}

.practice_content_sub_container > p{
    margin-left: 0.5rem;
}

/*標題-切換章節*/
#practice_header_title:active{
    cursor:pointer;
    transition: transform 0.15s ease;
    transform: scale(0.95);
}

/*顯示隱藏按鈕*/
.view_btn_style:active, .voice_btn_style:active{
    cursor: pointer;
    transition: transform 0.15s ease;
    transform: scale(0.95);
}

/************************RWD-小螢幕處理*********************/
@media (max-width: 300px){
    .practice_content_item{
        max-width: 100%;
    }
}

/************************RWD-小平板(480px~767.99px)*********************/
@media (min-width: 480px){
    /*關閉icon大小*/
    #practice_header_btn > img{
        width: calc(0.875rem * 1.1);
    }
}

/************************RWD-大平板、小電腦(768px~1199.99px)*************/
@media (min-width: 768px){
    /*主容器-header*/
    #practice_header_container{
        right: 0;
        left: unset;
        width: calc(100vw - max(20vw, 130px)); /*扣掉navbar*/
        height: 15vh;
    }

    /*主容器-content*/
    #practice_content_container{
        left: max(130px,20vw);
        top: max(15vh,100px);
        width: calc(100vw - 15vw - max(130px,20vw)); /*去掉右邊留白、navbar*/
        height: calc(100vh - max(15vh,100px));
        
        border-right: 1px solid #DADADA;
        padding: max(6.25vh, 50px) 7.46vw max(6.25vh, 50px) 7.46vw;
    }

    /*關閉icon大小*/
    #practice_header_btn > img{
        width: calc(0.875rem * 1.3);
    }

    /*對話框子容器*/
    .practice_L > div{
        padding: 1.5rem 1rem 1.5rem 2.5rem;
    }
    
    .practice_R > div{
        padding: 1.5rem 1.6rem 1.5rem 1.25rem;
    }
}

/************************RWD-大螢幕(1200px以上)**************************/
@media (min-width: 1200px){
            
}

/************************RWD-手機、小平板橫置處理(寬768以內、高600.01以內)******************************/
@media (orientation: landscape) and (max-height: 600px){
    /*主容器-header*/
    #practice_header_container{
        right: 0;
        left: unset;
        width: calc(100vw - max(20vw, 130px)); /*扣掉navbar*/
        height: 20vh;
        min-height: 80px;
    }

    /*主容器-content*/
    #practice_content_container{
        left: max(130px,20vw);
        top: max(20vh,80px);
        width: calc(100vw - 15vw - max(130px,20vw)); /*去掉右邊留白、navbar*/
        height: calc(100vh - max(20vh,80px));

        border-right: 1px solid #DADADA;
        padding: max(4.67vh, 30px) 7.46vw max(4.67vh, 30px) 7.46vw;
    }

    /*關閉icon大小*/
    #practice_header_btn > img{
        width: 0.875rem;
        height: auto;
    }
}

/************************hover偽類處理***********************************/
@media (hover: hover) and (pointer: fine){
    /*關閉icon hover效果*/
    #practice_header_btn:hover{
        cursor: pointer;
        transition: transform 0.15s ease;
        transform: scale(1.2);
    }

    /*關閉icon active效果*/
    #practice_header_btn:active{
        cursor: pointer;
        transition: transform 0.15s ease;
        transform: scale(0.9);
    }

    /*標題-切換章節*/
    #practice_header_title:hover{
        cursor:pointer;
        transition: transform 0.15s ease;
        transform: scale(1.05);
    }
    #practice_header_title:active{
        cursor:pointer;
        transition: transform 0.15s ease;
        transform: scale(0.95);
    }

    /*顯示隱藏按鈕*/
    .view_btn_style:hover, .voice_btn_style:hover{
        cursor: pointer;
    }
    .view_btn_style:active, .voice_btn_style:active{
        cursor: pointer;
        transition: transform 0.15s ease;
        transform: scale(0.95);
    }
}