.item{
    display: flex;
    background: rgb(255, 255, 255);
    border: 2px solid rgb(215, 215, 215);
    height: 70px;
    text-align: center;
    padding: .2%;
    column-gap: 3%;
}
.contain{
    margin-bottom:0.1rem;
}
h1{
    color: rgb(0, 0, 0);
    text-transform: uppercase;
}
.inst{
    width: 70%;
    display: flex;
    background-color: #080808;
    padding: .5%;
    border-radius: 20px;
}
h3{
    color: rgb(255, 255, 255);
}
.out-box{
    position: relative;
    display: flex;
    height: fit-content;
    width: auto;
    border-style: solid;
    border-color: rgb(215, 215, 215);
    border-width: 20%;
    padding: .2%;
}
.box{
    height: 95vh;
    width: 33.3%;
    background-color: rgb(197, 197, 197);
}
.box1{
    border-style: solid;
    border-color: black;
    border-width: 20%;
    flex: 1;
    background-size: contain;
}
.select{
    font-size: medium;
    display: flex;
    margin: 2%;
    text-transform: uppercase;
}
.options{
    width: 65%;
}

.specimen{
    border: 2px solid rgb(116, 160, 125);
    background-color:rgb(49, 63, 52);
    color: white;
    padding: .5rem;
    width: 14rem;
    border-radius: 8px;
    margin: 1px;
}
.choose{
    display: flex;
    margin: 3%;
}

.container{
    display: flex;
    flex-direction: column;
    border: 2px solid rgb(116, 160, 125);
    background-color:rgb(49, 63, 52);
    color: white;
    padding: .5rem;
    width: 13rem;
    border-radius: 8px;
    margin: 1px;
}
.ocdoor{
    border: 2px solid rgb(116, 160, 125);
    background-color:rgb(49, 63, 52);
    color: white;
    padding: .5rem;
    width: 13rem;
    border-radius: 8px;
    margin: 1px;
}
.containers {
    display: flex;
    flex-direction: row;
    align-items: center;
}

/* CSS for the counter boxes */
.counter-box {
    width: 30px;
    height: 2.8vh;
    color: black;
    background-color: #f2f2f2;
    border: 1px solid #a0a0a0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 15px;
}
.kvbutton{
    margin: 2%;
    display: flex;
    height: 3vh;
    justify-content: center;
    align-items: center;
}
.mabutton{
    margin: 2%;
    display: flex;
    height: 3vh;
    justify-content: center;
    align-items: center;
}
.box2{
    border-style: solid;
    border-color: black;
    border-width: 20%;
    flex: 2;
    background-size: contain;
}
.box3{
    border-style: solid;
    border-color: black;
    border-width: 20%;
    background-size: contain;
}
.box3 {
    align-items: center; 
    justify-content: center;
}
h3{
    padding: 2px;
}

.xraytube{
    border: 2px solid rgb(116, 160, 125);
    background-color:rgb(49, 63, 52);
    color: white;
    padding: .5rem;
    width: 13rem;
    border-radius: 8px;
    margin: 1px;
}
.scanset{
    border: 2px solid rgb(116, 160, 125);
    background-color:rgb(49, 63, 52);
    color: white;
    padding: .5rem;
    width: 13rem;
    border-radius: 8px;
    margin: 1px;
}
h4{
    color: white;
    border: 2px solid rgb(233, 204, 41);
    background-color: rgb(42, 83, 53);
    padding: .5rem;
    margin: auto;
    width: 8rem;
    border-radius: 4px;
    margin: 1px;
}

@media(max-width:1700px){
    #gate {
        top: 53.7rem;
    }
    .major{
        display: flex;
        gap: 0.5rem;
        flex-direction: column;
    }
    .col1,.col2,.col3{
        width: 100%;
    }
}

.button-91 {
    align-items: center;
    background-color: initial;
    background-image: linear-gradient(#464d55, #25292e);
    border-radius: 8px;
    border-width: 0;
    box-shadow: 0 10px 20px rgba(103, 228, 57, 0.1),0 3px 6px rgba(0, 0, 0, .05);
    box-sizing: border-box;
    color: #ffffff;
    cursor: pointer;
    display: inline-flex;
    flex-direction: column;
    font-family: expo-brand-demi,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
    font-size: 18px;
    height: 40px;
    width: 35%;
    justify-content: center;
    line-height: 1;
    margin: 0;
    outline: none;
    overflow: hidden;
    padding: 0 32px;
    text-align: center;
    text-decoration: none;
    transform: translate3d(0, 0, 0);
    transition: all 150ms;
    vertical-align: baseline;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.button-91:hover {
    box-shadow: rgba(95, 241, 95, 0.2) 0 2px 8px;
    opacity: .85;
}

.button-91:active {
    outline: 0;
}

.button-91:focus {
    box-shadow: rgba(214, 62, 62, 0.5) 0 0 0 3px;
}

@media (max-width: 420px) {
    .button-91 {
        height: 48px;
    }
}

.machine{
    position: absolute;
    width: 82%;
    max-width: 100%;
    height: 90%;
    z-index: 1;
}

.machine img{
    max-width: 100%;
}

.overlay-image3 {
    display: none;
    position: relative;
    height: 10%;
    z-index: 3;
    top: -62%;
    left: 39%;
}

.overlay-image1 {
    position: absolute;
    top: 28%;
    left: 69%;
    width: 19%;
    height: 15%;
    z-index: 2;
}

.overlay-image2 {
    position: absolute;
    top: 25%;
    left: -2%;
    width: 40%;
    height: 28%;
    z-index: 2;
}

#gate {
    position: absolute;
    top: 14.5%;
    left: 29%;
    display: flex;
    width: 30.5%;
    height: 43.5%;
    overflow: hidden;
    z-index: 999;
}

.door {
    border-style: solid;
    border-color: #848383;
    border-width: 10%;
    flex: 1;
    background-color: transparent;
    transition: transform 1s ease;
    transform-origin: left center;
    background-color: rgb(255, 255, 255);
    opacity: 0.5;
}

.right-door {
    transform-origin: right center;
}

.left-door.opened {
    transform: scaleX(0);
}

.right-door.opened {
    transform: scaleX(0);
}

/* Fix for the graph display */
#graphContainer {
    display: none;
    height: 70%;
    width: 98%;
}

#graphCanvas {
    height: 100%;
    width: 100%;
    background: white;
    border: 1px solid black;
}

/* Fix for results display */
#results {
    display: none;
    color: white;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* Fix for scan time display */
#scanTimeDisplay {
    background-color: white;
    color: black;
    text-align: center;
    font-weight: bold;
    font-family: monospace;
    padding: 0.2rem;
}

/* Fix button states */
.button-91:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input:disabled, select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========= XRD Source & Detector Animation ======== */

/* Source (left head) */
#source {
    position: absolute;
    z-index: 5;
    animation-timing-function: linear;
}

/* Detector (right head) */
#detector {
    position: absolute;
    z-index: 5;
    animation-timing-function: linear;
}

/* Source animation — moves up & tilts */
@keyframes moveUpDown {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(25deg); }
    100% { transform: translateY(-30px) rotate(25deg); }
}

/* Detector animation — moves up & tilts opposite */
@keyframes oppMoveUpDown {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-15deg); }
    100% { transform: translateY(-20px) rotate(-15deg); }
}