body
{
    width: 1400px;
    margin: 0 auto;
}

#header
{
    width: 100%;
    height: 60px;
    background-color:rgb(86, 135, 240); 
    display: flex;
    position: sticky;
    top: 0px;
    z-index: 1000;
}

#anhLogo
{
    padding-top: 5px;
    padding-left: 20px;
    padding-right: 10px;
}

#tenLogo
{
    padding-top: 5px;
    font-family: Arial;
    font-size: 24px;
    color: white;
}

#anhTaiKhoan
{
    position: absolute;
    right: 20px;
    padding-top: 5px;
}

#trangChu
{
    position: absolute;
    right: 220px;
    top: 20px;  
}

a
{
    font-family: Arial;
    font-size: 20px;
    color: white;
    text-decoration: none;
}

#taiLieu
{
    position: absolute;
    right: 80px;
    padding-right: 20px;
    padding-top: 20px;
    font-family: Arial;
    font-size: 20px;
    color: white;
}

#content
{
    width: 100%;
    height: 550px;
    display:flex;
}

#menu
{
    width: 25%;
    font-family: Arial;
    border-right: 1px solid #545252; 
}

#bangDK
{
    color: white;
    font-size: 24px;
    width: 100%;
    height: 40px;
    background-color: rgb(102, 150, 192);
    display: flex;
    align-items: center;
    padding-left: 10px;
}

.parent
{
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    padding-left: 10px;
    font-size: 18px;
}

.anhMoTa
{
    padding-right: 5px;
}

#main
{
    width: 75%;
}

#search
{
    width: 250px;
    height: 40px;
    border-radius: 5px;
    border-style: none;
    background-color:rgb(229, 245, 200);
    position:relative;
    top: 20px;
    left: 20px;
    padding-left: 10px;
    font-size: 18px;
    box-shadow: 3px 3px 3px gray;
}

#timOK
{
    width: 40px;
    height: 30px;
    border-style: none;
    position:relative;
    top: 18px;
    left: -30px;
    border-radius: 5px;
    background-color: greenyellow;
}

#timOK:hover
{
    background-color: rgb(99, 161, 6);
}

#congCu
{
    display: flex;
    background-color: white;
    height: 80px;
}

#congCu button
{
    font-size: 18px;
    font-family: Arial;
    color: white;
    width: 90px;
    height: 35px;
    display: flex;
    align-items: center;
    border-radius: 5px;
    border-style: none;
    box-shadow: 2px 2px 2px gray;
}

#them
{
    background-color: blue;
    position: absolute;
    top: 80px;
    right: 190px;
    
}

#them:hover
{
    background-color: rgb(4, 4, 144);
}

#xoa
{
    background-color: red;
    position: absolute;
    top: 80px;
    right: 70px;
}

#xoa:hover
{
    background-color: rgb(163, 3, 3);
}

#miniForm
{
    background-color: rgb(247, 247, 247);
    width: 370px;
    height: 270px;
    z-index: 10;
    font-family: Arial;
    font-size: 18px;
    position: absolute;
    top: 130px;
    left: 1110px;
}

#dauForm
{
    display: flex; 
    height: 35px;
    background-color:rgb(2, 80, 54);
    padding-left: 10px;
    display: flex;
    align-items: center;
    color: yellow;
}

#ndForm
{
    margin-top: 10px;
    margin-left: 20px;
}

#nhapTenDT
{
    width: 300px;
    height: 30px;
    font-family: Arial;
    font-size: 18px;
    margin-bottom: 5px;
    padding-left: 5px;
}

#chonDVDT
{
    width: 310px;
    height: 35px;
    font-family: Arial;
    font-size: 18px;
    margin-bottom: 5px;
    padding-left: 5px;
}

#dauForm button
{
    font-size: 18px;
    font-family: Arial;
    color: white;
    width: 90px;
    height: 35px;
    display: flex;
    align-items: center;
    border-radius: 5px;
    border-style: none;
    box-shadow: 2px 2px 2px gray;
}

#themDT
{
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: blue;
    position: relative;
    top: 5px;
    left: 30px;
}

#themDT:hover
{
    background-color: rgb(3, 3, 155);
}

#huyForm
{
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: red;
    position: relative;
    top: -30px;
    left: 150px;
}

#huyForm:hover
{
    background-color: rgb(150, 1, 1);
}

#thayAnh 
{
    margin: 0 auto;
}



table
{
    border: 1px solid #272020;
    width: 100%;
    left: 30px;
    border-collapse: collapse;
    font-size: 20px;
    font-family: Arial;
}

#phamViBang 
{
    max-height: 400px; /* Giới hạn chiều cao */
    overflow-y: auto;  /* Thêm thanh cuộn dọc */
    overflow-x: hidden; /* Ẩn thanh cuộn ngang */
    border: 1px solid #ddd; /* Viền giúp nhìn rõ khu vực bảng */
}

#tieuDe
{
    height: 60x;
}

th, td
{
    border: 1px solid #6a6262;
    text-align: center;
    vertical-align: middle;
    padding: 10px;
}

thead tr
{
    height: 60px;
    background-color: #1486ea;
    color: white;
    position: sticky;
    top: 0;
    z-index: 1;
    box-shadow: 0px 2px 5px gray; 
}

.checkbox
{
    width: 20px;
    height: 20px;
}

.hdong
{
    height: 35px;
    width: 100px;
    padding-left: 30px;
    justify-content: center;
}

#footer
{
    width: 100%;
    height: 130px;
    background-image: linear-gradient(to right, rgb(35, 82, 149), rgb(143, 149, 172),  rgb(35, 82, 149));
    display: flex;
    align-items: center;
}

#NDfooter
{
    position: relative;
    left: 30px;
    font-family: Arial;
    font-size: 20px;
    color: white; 
}

#tieuDeFooter
{
    font-size: 25px;
    font-weight: bold;
}