#banner{
    position: sticky;
    background-color: rgba(255, 255, 255, 0.5);
    color: black; 
    font-size: 240%;
    box-shadow: 0px 0px 10px rgb(106, 104, 104);
    border-radius: 12px;
    backdrop-filter: blur(20px);
    height: 6%;
    width: 98%;
    top: 2%;
    margin: auto;
    font-family: Arial, Helvetica, sans-serif;
    font-style: rgb(10, 22, 44);
    user-select: none;
    text-align: left;
    z-index: 100;
}

.banner_img{
    width: 58%;
    height: 58%;
    cursor: hand;
}

#banner_img:hover{
    width: 60%;
    height: 60%;
    border-radius: 12px;
    box-shadow: 0px 0px 6px #878686;
}

#login{
    position: absolute;
    text-align: center;
    transform: scale(1.7);
    /* 垂直居中 */
    top: 0;
    bottom: 0;
    height: 45%;
    /* 水平居中 */
    left: 0;
    right: 0;
    width: 40%;
    margin: auto;

    user-select: none;
    background-color: rgba(239, 230, 230, 0.5); 
    border: 0px;
    border-radius: 12px; 
    box-shadow: 0px 0px 16px rgb(70, 69, 69); 
    backdrop-filter: blur(6px);
}

#customerpage{
    position: absolute;
    text-align: center;
    top: 0%;
    height: 100%;
    width: 100%;
    left: 0%;
    margin: none;
    padding: none;
    user-select: none;
    border: none;
    z-index: 0;
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(109, 103, 103, 0.6);
    z-index: 10000;
}

#search{
    position: fixed;
    background-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0px 0px 10px rgb(106, 104, 104);
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    backdrop-filter: blur(15px);
    height: 70%;
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
    font-style: rgb(10, 22, 44);
    user-select: none;
    text-align: left;
    z-index: 10;
    border: none;
}
#search_overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(109, 103, 103, 0.6);
    z-index: 5;
}

#closebutton{
    position: absolute;
    text-align: center;
    transform: scale(1.4);
    top: 14%;
    height: 2.2%;
    margin-left: 80%;
    width: 2.2%;
    font-size: 80%;
    user-select: none;
    border: 0px;
    border-radius: 12px; 
    box-shadow: 0px 0px 16px rgb(142, 142, 142); 
}

#closebutton:hover{
    background-color: red;
}

#grid{
    position:absolute;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: none;
    border: none;
    width: 98%;
    left:1.5%;
    font-family: Arial, Helvetica, sans-serif;
    font-style: rgb(10, 22, 44);
}

#items{
    text-align: left;
    background-color: rgba(255, 255, 255, 0.4);
    color: black; 
    font-size: 200%;
    border-radius: 12px;
    backdrop-filter: blur(4px);
    margin: 1%;
    font-family: Arial, Helvetica, sans-serif;
    font-style: rgb(10, 22, 44);
    width: 96%;
    height: 5vw;
    transition: 0.3s;
}

img{
    border-radius: 12px;
    width: 10%;
    height: 10%;
    margin: none;
    padding: none;
    overflow:hidden;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-background-size:cover;
    -moz-background-size:cover;
    background-size:cover;
    cursor: hand;
    transition: 0.5s;
}

#icon{
    border-radius: 12%;
    width: 6%;
    height: 6%;
    overflow:hidden;
    cursor: hand;
    transition: 0.5s;
}

#items:hover{
    box-shadow: 0px 0px 10px rgb(106, 104, 104);
}

img:hover{
    box-shadow: 0px 0px 10px rgb(106, 104, 104);
}

p,h5:hover{
    cursor: hand;
}

input{
    font-size: 100%;
    width: 80%;
    border-radius: 12px;
    text-align: center;
    background-color: rgba(138, 179, 193, 0.632);
    border: none;
    outline: none;
}

input:focus{
    border: 2px solid pink;
}

#detail_window{
    position: absolute;
    text-align: center;
    transform: scale(1.7);
    /* 垂直居中 */
    top: 10%;
    bottom: 0;
    height: 50%;
    /* 水平居中 */
    left: 0%;
    right: 0%;
    width: 57%;
    margin: auto;

    user-select: none;
    background-color: rgba(239, 230, 230, 0.5); 
    border: 0px;
    border-radius: 12px;
    box-shadow: 0px 0px 16px rgb(70, 69, 69); 
    backdrop-filter: blur(20px);
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(109, 103, 103, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
}

body{
    align-items: center;
    height: 100%;
    width: 99%;
    z-index: 1;
    overflow: hidden;
}

.dynamic-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 165, 0, 1), rgba(173, 216, 230, 1));
    animation: changeBackground 15s infinite;
  }
  
  @keyframes changeBackground {
    0% {
      background: linear-gradient(to right, rgba(255, 165, 0, 1), rgba(173, 216, 230, 1));
    }
    20% {
      background: linear-gradient(to right, rgba(255, 165, 0, 0.9), rgba(173, 216, 230, 0.9));
    }
    40% {
      background: linear-gradient(to right, rgba(255, 165, 0, 0.8), rgba(173, 216, 230, 0.8));
    }
    60% {
      background: linear-gradient(to right, rgba(255, 165, 0, 0.7), rgba(173, 216, 230, 0.7));
    }
    80% {
      background: linear-gradient(to right, rgba(255, 165, 0, 0.9), rgba(173, 216, 230, 0.9));
    }
    100% {
      background: linear-gradient(to right, rgba(255, 165, 0, 1), rgba(173, 216, 230, 1));
    }
  }

/* Hide scrollbar when not needed */
body::-webkit-scrollbar {
    width: 0.5em;
}

body::-webkit-scrollbar-thumb {
    width: 0.5em;
    background: linear-gradient(rgba(109, 103, 103, 0.6), #00000000);
    border-radius: 0.25em;
}

button{
    height: 32px;
    width: 300px;
    border: solid white 0px;
    background: linear-gradient(to right, rgb(26, 117, 172), rgb(26, 158, 144));
    color: white;
    cursor: hand;
    box-shadow: 0px 0px 0px #424242;
    transition: 0.3s;
    border-radius: 5px;
}

textarea{
    background-color: rgba(138, 179, 193, 0.632);
    border: none;
    border-radius: 12px;
    outline: none;
    font-size: 75%;
    width: 90%;
    height: max-content;
}

textarea:focus{
    border: 2px solid pink;
}

td{
    font-size: 75%;
    font-family: Arial, Helvetica, sans-serif;
}

th{
    font-size: 75%;
    font-family: Arial, Helvetica, sans-serif;
}

h2{
    text-align: center;
}

.dialog{
    background-color: rgba(255, 255, 255, 0.5);
    color: black; 
    font-size: 150%;
    box-shadow: 0px 0px 10px rgb(106, 104, 104);
    border-radius: 12px;
    border: none;
    backdrop-filter: blur(20px);
    height: 20%;
    width: 40%;
    margin: auto;
    font-family: Arial, Helvetica, sans-serif;
    font-style: rgb(10, 22, 44);
    user-select: none;
    text-align: center;
    overflow: hidden;
    padding-top: 5%;
}

dialog::backdrop {
    background-color: rgba(75, 75, 75, 0.598);
}

.dialogbutton{
    height: 25%;
    width: 40%;
    font-size: medium;
    border: solid white 0px;
    background: linear-gradient(to right, rgb(26, 117, 172), rgb(26, 158, 144));
    color: white;
    cursor: hand;
    box-shadow: 0px 0px 0px #424242;
    transition: 0.3s;
    border-radius: 5px;
    margin-top: 5%;
}

.dialogbutton:hover {
    box-shadow: 0px 0px 10px #424242;
}