html {
    font-family: system-ui;
    height: 100%; /* Ensure the body takes full height */
    margin: 0; /* Remove default margin */
    padding:0;
    overflow: hidden; /* Disable scrolling */
    align-items: center; /* Vertically center */
    justify-content: center; /* Horizontally center */
}

/* ============================= Introduction Section ============================= */

/* introduction section */
#introduction-text {
    display: block;
    background-color: #ffffff;
    width: 95%;
    max-width: 100%;
    height: 100vh; /* 100% of the viewport height */
    overflow: auto; /* Enables scrolling when zoomed out */
    padding: 0%; /* Optional: Padding for inner spacing */
    margin:1%;
    line-height: 1; /* Controls vertical spacing between lines */
    overflow-y: auto; /* Enables scrolling when zoomed out */
    font-size: 16px; /* Sets the font size */
    box-sizing: border-box; /* Ensures padding is included in the width/height */

}

/* Custom style for checkbox */
input[type="checkbox"] {
    width: 25px; /* Custom width for checkbox */
    height: 25px; /* Custom height for checkbox */
    margin-right: 5px; /* Space between checkbox and label */
    appearance: none; /* Remove default checkbox style */
    border: 2px solid #ccc; /* Gray border */
    border-radius: 4px; /* Rounded corners */
    position: relative;
    cursor: pointer;
    vertical-align: middle; /* Align checkbox with text */
}

/* Style for checked state */
input[type="checkbox"]:checked {
    background-color: green; /* Green background when checked */
    border-color: green; /* Green border when checked */
}

/* Adding a white check mark when checked */
input[type="checkbox"]:checked::after {
    content: '✔'; /* Check mark symbol */
    color: white; /* White check mark */
    font-size: 16px;
    position: absolute;
    top: -1px; /* Adjust vertical position */
    left: 6px; /* Adjust horizontal position */
}

#uniLogo {
    position: fixed; /* Fixed position to keep it on the right side of the viewport */
    top: 16px; /* Adjust top spacing as needed */
    right: 20px; /* Adjust right spacing to position closer or further from the edge */
    width: 95px; /* Adjust width to resize the logo */
    height: auto; /* Keeps the aspect ratio of the logo */
    z-index: 1000; /* Ensure it appears above other content */
}

/* ============================= Notice Section ============================= */

/* notice section */
#notice {
    position: relative;
    background-color: #ffffff;
    padding:1%;
    margin: 4px auto;
    width: 100%;
    max-width: 100%;
    border-radius:  1%;
    text-align: center;
}

#notice p {
    font-size: 16px;
    margin-bottom:  1%;
    font-weight: bold;
}

#notice span {
    color: #0066FF;
    font-weight: bold;
}

/* ============================= Modals Section ============================= */

/* modal styles */
.modal {
    display: none;  /* Modal is hidden by default */
    position: fixed;  /* Make it appear over the content */
    top: 50%;        /* Center vertically */
    left: 50%;       /* Center horizontally */
    transform: translate(-50%, -50%); /* Adjust for width/height offsets */
    background-color: rgba(255, 255, 255, 1);
    text-align: center;
}

.modal-content {
    background-color: rgb(240,240,240);
    padding: 1%;
    border: 2px solid #888;
    margin:auto;
    width: 800px;
    border-radius: 10px;
    text-align: center;
    position: relative;
}

/* modal styles for help calibration */
.modal_1 {
    display: none;  /* Modal is hidden by default */
    position: fixed;  /* Make it appear over the content */
    top: 50%;        /* Center vertically */
    left: 50%;       /* Center horizontally */
    transform: translate(-50%, -50%); /* Adjust for width/height offsets */
    background-color: rgba(255, 255, 255, 1);
    text-align: center;
    z-index: 9999;  /* Ensure it's on top */
    width: 90vw;    /* Set modal width relative to viewport width */
}

.modal-content_1 {
    padding: 5px;
    border: 2px solid #888;
    margin: auto;
    width: 100%;    /* Relative width */
    max-width: 800px;  /* Restrict the maximum width */
    text-align: center;
    position: relative;
    box-sizing: border-box;  /* Include padding in width/height calculations */
}

.img-fluid {
    width: 100%;   /* Image will take full width of its container */
    height: auto;  /* Maintain aspect ratio */
    max-width: 650px; /* Limit the maximum width */
    display: block;
    margin: 0 auto;
    object-fit:  contain /* Maintain aspect ratio, but may leave blank space (letterbox) */
}


.modal-button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
    margin-top: 8px;
}

.custom-image {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 10%;
    margin-bottom: 10px;
}

/* ============================= Camera Section ============================= */

/* camera styling */
 #camera-feed {
    max-width:50%;
    object-fit: fill;
    border-radius: 10px;
    margin-top: 15px;
}

/* ============================= Calibration Section ======================== */

/* calibration and canvas styling */
#calibration-container {
    text-align: center;
}

/* button styling for calibration */
.button {
    width: 30px;
    height: 30px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    border: 1px solid black;
    color: white;
    background-color: red;
    border-radius: 25px;
    -webkit-border-radius: 25px;
    -moz-border-radius: 25px;
    overflow: hidden;
    text-align: center;
    opacity: 0.2;
    position: fixed;
}

/* Calibration button positions */

    #Pt1, #Pt2, #Pt3, #Pt4, #Pt5, #Pt6, #Pt7, #Pt8, #Pt9 {
        position: absolute;
    }

    /* regular set of points */
    #Pt1 { top: 35%; left: 20%; }
    #Pt2 { top: 35%; left: 50%; }
    #Pt3 { top: 35%; left: 80%; }

    #Pt4 { top: 60%; left: 20%; }
    #Pt5 { top: 60%; left: 50%; }
    #Pt6 { top: 60%; left: 80%; }

    #Pt7 { top: 85%; left: 20%; }
    #Pt8 { top: 85%; left: 50%; }
    #Pt9 { top: 85%; left: 80%; }


/* ============================= Maps and Survey Section ======================== */

/* map-container styling */
.map-container {
    position: absolute; /* Make sure the container fills the viewport */
    top: 0;
    left: 0;
    width: 100vw; /* Full width of the viewport */
    height: 100vh; /* Full height of the viewport */
    margin: 0;
    padding: 0;
    overflow: hidden; /* Prevent overflow and scrolling */
    z-index: 1; /* Keep it on top of other content */
}

.map-container img {
    position: absolute; /* Make the image fill the container */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit:  contain /* Maintain aspect ratio, but may leave blank space (letterbox) */
}

/* Ensure proper scaling on small screens */
@media only screen and (max-width: 768px) {
    .map-container {
        width: 100vw; /* Full width of the viewport */
        height: 100vh; /* Full height of the viewport */
    }
}

.survey-image {
    position: relative;
    width: 80%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}


/* ============================= webgazer Video Section ======================== */

/* video feed styling */
#webgazerVideoContainer {
    position: relative;
    display: block !important;
    position: fixed !important;
    top:0px !important;
    left: 0px !important;
    width: 320px !important;
    height: 220px !important;
    z-index: 9999 !important;
}

/* Adjust the size of the video element itself */
#webgazerVideoFeed {
    width: 100% !important; /* Ensure the video takes up 100% of the container's width */
    height: 100% !important; /* Ensure the video takes up 100% of the container's height */
    object-fit: cover;       /* Optionally, use object-fit to control how the video fits in the container */
}

#accuracy a{
    background-color: #222;
    color: #eee;
    left: -15px;
    padding-left: 80px;
    padding-right: 40px;
}

#accuracy {
    background-color: #222;
    padding-left: inherit;
}

/*li {
    padding-left: 10px;
}*/

/* Adjust for different devices with different screen sizes */
@media only screen and (min-width: 481px) and (max-width: 1200px) {
    .desk {
        display: none; /* Hide desktop-specific elements */
    }
    .mob {
        display: block; /* Show mobile-specific elements */
    }
}