/* Document body styles */
body.light-theme {
  background-color: #ffffff;
  color: #333333;
}
body.dark-theme {
  background-color: #333333;
  color: #ffffff;
}

/* Hyperlink, hightlight, and text styles */
a {
  color: #bd5d38;
  text-decoration: none;
  background-color: transparent;
}
a:hover {
  color: #824027;
  text-decoration: underline;
}
hightlight {
  color: #bd5d38;
  text-decoration: none;
  background-color: transparent;
}
.text-primary {
  color: #4c5157 !important;
}

/* Styles for user selection */
::selection {
  background-color: #ffb699;
}

/* Light theme style for user selection */
.light-theme ::selection {
  background-color: #ffb699;
}

/* Dark theme style for user selection */
.dark-theme ::selection {
  background-color: #545454;
}

/* Code-style text for research interest */
code {
  font-family: "Consolas";
  color: rgb(0, 0, 0);
  background-color: #f1f1f1;
  padding: 2px;
  padding-left: 5px;
  opacity: 0.75;
  font-size: 86%;
}

/* Border styles for profile picture */
.ring-container {
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  box-sizing: border-box;
  position: relative;
}
.ring::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  padding: 4px;
  box-sizing: border-box;
  background: linear-gradient(
    to right,
    #f09433,
    #e6683c,
    #dc2743,
    #cc2366,
    #bc1888
  );
  mask-composite: exclude;
}
.hollow-ring {
  width: 152px;
  height: 152px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #ffffff;
  z-index: 1;
}
.light-theme .hollow-ring {
  background-color: #ffffff;
}
.dark-theme .hollow-ring {
  background-color: #333333;
}
.profile-image {
  width: 152px;
  height: 152px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 5px solid #ffffff;
  z-index: 2;
}
.light-theme .profile-image {
  border: 5px solid #ffffff;
}
.dark-theme .profile-image {
  border: 5px solid #333333;
}

/* Styles for emoji indicator with emoji */
.emoji-indicator {
  font-size: medium;
  width: 43px;
  height: 43px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #efefef;
  /* position: absolute;
    bottom: 5px;
    right: 1px; */
  position: relative;
  top: 112px;
  left: 107px;
  border: 4px solid #ffffff;
  z-index: 1000;
}
.light-theme .emoji-indicator {
  border: 4px solid #ffffff;
  background-color: #efefef;
}
.dark-theme .emoji-indicator {
  border: 4px solid #333333;
  background-color: #787878;
}
.emoji-indicator .hover-text {
  display: none;
  white-space: nowrap;
  margin-left: 2px;
  /* margin-right: 4px; */
}
.emoji-indicator:hover .hover-text {
  display: inline;
}
.emoji-indicator:hover {
  border-radius: 21.5px;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Handle for social icons */
.social-icons .social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 3.7rem;
  width: 3.7rem;
  color: #495057;
  border-radius: 100%;
  font-size: 1.5rem;
  margin-right: 0.25rem;
  padding-top: 4px;
  transition: transform 0.3s;
}
.social-icons .social-icon:hover {
  transform: scale(1.3);
}
.social-icons .social-icon:last-child {
  margin-right: 0;
}
.social-icons {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Styles for project list */
#projects {
  margin: 0px;
}
.project {
  margin: 0px;
}

/* Styles for filter buttons */
#filters .filter-button {
  padding: 4px 7px;
  border: 1px solid #333333;
  border-radius: 10px;
  background-color: transparent;
  color: #333333;
  cursor: pointer;
  transition: background-color 0.3s, box-shadow 0.3s;
}
#filters .filter-button:hover {
  background-color: rgba(194, 194, 194, 0.45);
}
#filters .filter-button.active {
  background-color: rgba(194, 194, 194, 0.45);
}

/* Light theme styles for filter button */
.light-theme #filters .filter-button {
  border: 1px solid #333333;
  color: #333333;
}

/* Dark theme styles for filter button */
.dark-theme #filters .filter-button {
  border: 1px solid #ffffff;
  color: #ffffff;
}

/* Styles for pager buttons */
.isotope-pager {
  display: flex;
  list-style-type: none;
  align-items: center;
  justify-content: center;
}
.isotope-pager .pager {
  display: block;
  padding: 4px 7px;
  background-color: transparent;
  border: 1px solid #333333;
  margin: 0 5px;
  border-radius: 7px;
}
.isotope-pager .pager:hover {
  background-color: rgba(194, 194, 194, 0.45);
  cursor: pointer;
}
.isotope-pager .pager.active {
  background-color: rgba(194, 194, 194, 0.45);
}

/* Light theme styles for pager button */
.light-theme .isotope-pager .pager {
  border: 1px solid #333333;
  color: #333333;
}

/* Dark theme styles for pager button */
.dark-theme .isotope-pager .pager {
  border: 1px solid #ffffff;
  color: #ffffff;
}

/* Disabled stye for pager buttons */
.isotope-pager .pager:disabled {
  background-color: #cccccc;
  color: #666666;
  cursor: default;
  opacity: 0.5;
  border: 1px solid #aaaaaa;
}

/* More/Less button for widgets */
.collapse.in {
  display: inline !important;
}

/* Handle for accomplishments and pictures in accomplishments */
div.accomplishments {
  margin: 3px;
  border: 1px solid #ccc;
  border-radius: 8px;
  float: left;
  width: 212px;
}
div.accomplishments:nth-child(8n + 1) {
  clear: both;
}
div.accomplishments img {
  width: 100%;
  height: auto;
  border-radius: 7px;
}
div.desc {
  padding: 8px;
  text-align: center;
}

/* Styles for update cards */
.news-card {
  background-color: none;
  width: 100%;
  height: 291px;
  /* height: 365px; */
  border-radius: 7px;
  margin: 3px;
  border: 1px solid #ccc;
  float: left;
  width: 180px;
  /* width: 211px; */
  display: flex;
  flex-direction: column;
}
.news-desc {
  flex-grow: 1;
  padding: 0.4rem 1rem 0rem 1rem;
  font-size: 13px;
}
.news-time {
  color: grey;
  padding: 0rem 1rem 0.6rem 1rem;
  font-size: 12px;
}

/* Back-to-top button styles */
#back-to-top-button {
  display: inline-block;
  background-color: #9faba6;
  width: 55px;
  height: 55px;
  text-align: center;
  border-radius: 7px;
  position: fixed;
  bottom: 30px;
  right: 30px;
  transition: background-color 0.3s, opacity 0.5s, visibility 0.5s;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}
#back-to-top-button::after {
  content: "\f077";
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  font-size: 2em;
  line-height: 50px;
  color: #fff;
}
#back-to-top-button:hover {
  cursor: pointer;
  background-color: #767f7b;
}
#back-to-top-button:active {
  background-color: #9faba6;
}
#back-to-top-button.show {
  opacity: 0.7;
  visibility: visible;
}

/* Toggle theme button styles */
.toggle-theme-button {
  width: 55px;
  height: 55px;
  border-radius: 7px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
}

/* Light theme styles for toggle theme button */
.light-theme .toggle-theme-button {
  background-color: #919191;
  color: #ffffff;
}

/* Dark theme styles for toggle theme button */
.dark-theme .toggle-theme-button {
  background-color: #ccc;
  color: #333333;
}

/* Container for the assistant icon */
.popup-icon-container {
  position: fixed;
  left: 10px;
  bottom: 20px;
  display: flex;
  align-items: center;
  cursor: pointer;
  z-index: 1000;
}

/* Assitant icon styles */
.icon {
  font-size: 30px;
  color: white;
  padding: 5px;
  border-radius: 50%;
}

/* Sppech balloon styles */
.speech-balloon {
  padding: 10px;
  border-radius: 10px;
  background-color: #f5f5f5;
  border: 2px solid #ddd;
  max-width: 200px;
  margin-left: 0px;
  font-size: 14px;
}

/* Light theme for speech balloon */
.light-theme .speech-balloon {
  background-color: #f5f5f5;
  color: black;
  border: 2px solid #ddd;
}

/* Dark theme for speech balloon */
.dark-theme .speech-balloon {
  background-color: #495057;
  color: white;
  border: 2px solid #555;
}

/* Dismissal area styles for the assistant icon */
.dismissal-area {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background-color: rgba(176, 176, 176, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: white;
  z-index: 500; /* 500 := below the icon but above other content */
  display: none;
}

.hidden {
  display: none;
}

/* Styles for progress bar */
.progress-bar-container {
  width: 100%;
  height: 1px;
  background: #f1f1f1;
  position: fixed;
  top: 0;
  z-index: 1;
}
.progress-bar {
  height: 1px;
  background: #bd5d38;
  width: 0%;
}
.light-theme .progress-bar-container {
  background: #f1f1f1;
}
.dark-theme .progress-bar-container {
  background: #888;
}

/* New style for webpage scrollbar */
::-webkit-scrollbar-track {
  background-color: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background-color: #888;
}
::-webkit-scrollbar-thumb:hover {
  background-color: #555;
}
::-webkit-scrollbar {
  width: 10px;
}

/* Styles for middle-layer moving-particle canvas */
canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}