/* CSS Document */
@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,400;0,500;1,400;1,500&display=swap');


body {
    font-family: Google Sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight:300;
    font-size:18px;
    margin:0px;
    padding:0px;
}

.roboto-400 {
    font-family: "Roboto", serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-variation-settings:
      "wdth" 100;
}

p {
    font-size: 14pt;
}


a:link,a:visited
{
    color: #1367a7;
    text-decoration: none;
}
a:hover {
    color: #208799;
}

td.dl-link {
    height: 160px;
    text-align: center;
    font-size: 22px;
}

hr {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

/* your paper and bibtex*/
/* modified from: http://css-tricks.com/snippets/css/layered-paper/ by: https://github.com/richzhang/webpage-template */

.layered-paper-big { 
    box-shadow:
    0px 0px 1px 1px rgba(0,0,0,0.35), /* The top layer shadow */
    5px 5px 0 0px #eee, /* The second layer */
    5px 5px 1px 1px rgba(0,0,0,0.35), /* The second layer shadow */
    10px 10px 0 0px #eee, /* The third layer */
    10px 10px 1px 1px rgba(0,0,0,0.35), /* The third layer shadow */
    15px 15px 0 0px #eee, /* The fourth layer */
    15px 15px 1px 1px rgba(0,0,0,0.35), /* The fourth layer shadow */
    20px 20px 0 0px #eee, /* The fifth layer */
    20px 20px 1px 1px rgba(0,0,0,0.35), /* The fifth layer shadow */
    25px 25px 0 0px #eee, /* The fifth layer */
    25px 25px 1px 1px rgba(0,0,0,0.35); /* The fifth layer shadow */
    margin-left: 10px;
    margin-right: 45px;
    margin-bottom: 30px;
}

.layered-paper { 
  box-shadow:
  0px 0px 1px 1px rgba(0,0,0,0.35), /* The top layer shadow */
  5px 5px 0 0px #eee, /* The second layer */
  5px 5px 1px 1px rgba(0,0,0,0.35), /* The second layer shadow */
  10px 10px 0 0px #eee, /* The third layer */
  10px 10px 1px 1px rgba(0,0,0,0.35); /* The third layer shadow */
  margin-top: 5px;
  margin-left: 10px;
  margin-right: 30px;
  margin-bottom: 5px;
}

.paper-big { 
  box-shadow:
  0px 0px 1px 1px rgba(0,0,0,0.35); /* The top layer shadow */

  margin-left: 10px;
  margin-right: 45px;
}

pre {
    position: relative;
    display: block;
    padding: 20px;
    background: #f2f2f2;
    color: #555755;
    padding: 1rem 1rem 1rem 5rem;
    border-radius: 20px !important;
    min-width: 100px;
  }

span.command-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    opacity: .6;
    font-size: 20px;
    color: #555755;
  }
  
span.command-copy:hover {
    cursor: pointer;
  }


/* buttons */

.my-btn {
    position: absolute !important;
    display: inline-flex;
    vertical-align: middle;
}

.my-btn-info {
    color: #000;
    background-color: #62dbff !important;
    border-color: #62dbff !important;
}

#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
  }
 

 .smallpad.table{
    width: unset !important;
    margin-bottom: 0.5rem !important;
  }

td {
    border: none !important;
}

.smallpad.table>:not(caption)>*>* {
    padding: 1 !important;
    background-color: var(--bs-table-bg);
    border-bottom-width: 0px !important;
    box-shadow: inset 0 0 0 9999px var(--bs-table-accent-bg);
}

.btn-light:hover { 
  background: #eee !important;
  border-color: #ccc !important;
}


/* carousel */
.carousel-indicators li {
    width: 12px;
    height: 12px;
    margin: 0 3px;
    border-radius: 100%;
    background-color: #62daff7c;
  }  

.carousel-indicators .active {
    background-color: #62dbff;
  }

.left-arrow, .right-arrow {
    color: #62dbff !important;
}

.audio-carousel-indicators{
    bottom: -30px !important;
}

.audio-carousel-caption{
    top: 100% !important;
}

/* slider */
.custom-range::-webkit-slider-thumb {
    background-color: #62dbff !important;
  }

.custom-range2 {
    accent-color: #62dbff !important;
  }

  .range-slider {
    position: relative;
  }
  
  .range-ticks {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-direction: column;
    writing-mode: vertical-lr;
  }
  
  /* overlay */
  .overlay-container {
    position: relative;
  }
  
  .overlay-image {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transition: .5s ease;
  }
  
  .overlay-image-2 {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transition: .5s ease;
  }

  .overlay-container:hover .overlay-image {
    opacity: 1;
  }

  .overlay-container:hover .overlay-image-2 {
    opacity: 1;
  }
  
  .overlay-video {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transition: .5s ease;
  }

  .overlay-container:hover .overlay-video {
    opacity: 1;
  }

/* before and after slider */
/* css was taken from https://www.codehim.com/vanilla-javascript/before-after-image-slider-in-vanilla-javascript/ */
.container-ba-slider{
  width: 300px;
  height: 300px;
  position: relative;

  overflow:hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}

.before,
.after {
  background-repeat:no-repeat;
  background-color: white;
  background-size: cover;
  background-position: center;
  position: absolute;
  top:0;
  left:0;
  pointer-events:none;
  overflow: hidden;
}

.after{
  width:125px;
}

.scroller{
  width: 50px;
  height:50px;
  position: absolute;
  left:100px;
  top:50%;
  transform:translateY(-50%);
  border-radius:50%;
  background-color: transparent;
  opacity:0.9;
  pointer-events:auto;
  cursor: pointer;
}

.scroller:hover{
  opacity:1;
}

.scrolling{
  pointer-events:none;
  opacity:1;
}

.scroller-thumb{
  width:100%;
  height:100%;
  padding:5px;
}

.scroller:before,
.scroller:after{
  content:" ";
  display: block;
  width: 7px;
  height: 9999px;
  position: absolute;
  left: 50%;
  margin-left: -3.5px;
  z-index: 30;
  transition:0.1s;
}
.scroller:before{
  top:100%;
}
.scroller:after{
  bottom:100%;
}

.scroller{
  border: 5px solid #fff;
}
.scroller:before,
.scroller:after{
  background: #fff;
}


/* Target the arrow icons specifically within your carousel */
#variantCarousel .carousel-control-prev-icon,
#variantCarousel .carousel-control-next-icon {
    /* Set the filter to ensure the icon color is dark/black */
    filter: brightness(0) invert(0);

    /* Optional: If the icons still look gray, you may need a background
       if the rest of the controls are causing issues. */
}

/* Optional: Add a custom background color to the button itself
   to help it stand out, if needed. */
#variantCarousel .carousel-control-prev,
#variantCarousel .carousel-control-next {
    width: 40px; /* Make them a small, functional size */
    height: 40px;
    background-color: rgba(255, 255, 255, 0.6); /* Semi-transparent white background */
    border-radius: 50%; /* Optional: circular buttons */
    /* If you don't want any background on the button, remove this block. */
}

.image-row {
  display: flex;
  justify-content: flex-start; /* align to the left */
  align-items: center;
  gap: 10px; /* spacing between images */
  margin-left: 18px;
  padding: 0;
}

.image-row img {
  width: 230px;
  height: 230px;
  margin-bottom: 4px;
  margin-right: 0;
  object-fit: cover;
  opacity: 0; /* start invisible */
  animation-name: fadeIn;
  animation-fill-mode: forwards; /* keep final opacity */
  animation-play-state: paused; /* start paused */
}

.image-row-top img {
  width: 240px;
  /*height: 60px;*/
  margin-bottom: 0;
  margin-right: 0;
  object-fit: contain;
  opacity: 1;
  max-width: 100%;
  height: auto;
}

@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}

.carousel-fade .carousel-item {
  transition: opacity 0.3s ease; /* 0.3s instead of default 0.6s */
}

/* --- Responsive layout for phones --- */
@media (max-width: 768px) {
  .container {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5 columns for 5 methods */
    gap: 10px;
  }

  .image-row-top,
  .image-row {
    display: contents; /* let their images participate directly in grid */
  }

  /* make sure all images are full-width inside column */
  .container img {
    width: 100%;
    height: auto;
    display: block;
  }
}