/* CSS Reset: http://meyerweb.com/eric/tools/css/reset */

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/**************************************************/

#body{
  font-family: 'Asap', roboto, sans-serif;
  font-size: 1em;
  line-height: 1.5em;
  color: #e4e4e7;
  background-color: #0f0f12;
}

#main {
  width: 54em;
  margin: 0px auto;
  position: relative;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: #60a5fa;
}

a:hover {
  text-decoration: none;
  border-bottom: 1px solid #60a5fa;
}

i {
  font-style: italic;
}

b {
  font-weight: 700;
}

h1 {
  font-size: 2.4em;
  line-height: 2.4em;
  font-weight: 500;
}

/**************************************************/
/* Profile image and description. */

#intro {
  padding-top: 6em;
  display: flex;
}

#intro-text {
  width: 40em;
  float: left;
  position: relative;
}

#intro-image {
  margin: 3em 0 0 2em;
  width: 12em;
  height: 12em;
  float: left;
  overflow: hidden;
  border-radius: 1em;
}

#intro-image img {
  width: 12em;
}

/**************************************************/
/* Section buttons. */

#menu {
  display: flex;
}

.menu-item {
  float: left;
  margin-right: 2em;
}

h2 {
  font-size: 1.6em;
  line-height: 2.4em;
  margin-top: 0.5em;
  color: #6b6b7b;
}

.selected h2 {
  color: #e4e4e7;
}

.button {
  display: inline-block;
  cursor: pointer;
  border: none;
  background: none;
  color: #6b6b7b;
  font-size: 1.6em;
  line-height: 2.4em;
  margin-top: 0.5em;
  margin-right: 1em;
  float: left;
  padding: 0;
}

.button:hover {
  color: #e4e4e7;
}

.button:active,
.button.is-checked {
  color: #e4e4e7;
}

.button-group:after {
  content: '';
  display: block;
  clear: both;
}

/**************************************************/
/* Isotope grid list of items. */

.grid {
  padding-bottom: 6em;
}

/* clear fix */
.grid:after {
  content: '';
  display: block;
  clear: both;
}

.description {
  margin-bottom: 1em;
  padding-bottom: 0.5em;
}

.list-item {
  width: 100%;
  line-height: 1em;
  margin-top: 1em;
}

.list-item p.date {
  display: inline-block;
  width: 3em;
  color: #6b6b7b;
}

/**************************************************/
/* Gallery of preview videos with hover overlays. */

.previews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 4em;
}

.talk-title {
  color: #8b8b9b;
}

.list-item.talk.previews {
  margin-bottom: 2em;
  margin-left: 3em;
}

.preview-item {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 5px;
}

.previews a.preview-item:hover {
  border: none;
}

.previews video,
.previews img {
  width: 100%;
  display: block;
  border-radius: 5px;
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  color: #e4e4e7;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.9em;
  line-height: 1.3em;
  padding: 0.5em;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 5px;
}

.preview-item:hover .preview-overlay {
  opacity: 1;
}

/**************************************************/
/* Publication details (thumbnail media, title, and description). */

.thumbnail {
  width: 18%;
  float: left;
  margin-right: 2%;
}

.thumbnail:hover {
  border-bottom: none;
}

.thumbnail img {
  margin-top: 0.4em;
  border-radius: 5px;
  width: 100%;
  height: 100%;
}

.thumbnail video {
  margin-top: 0.4em;
  border-radius: 5px;
  width: 100%;
  height: 100%;
}

h3 {
  font-size: 1em;
  line-height: 1.5em;
}

h3 a {
  color: #e4e4e7;
}

h3 a:hover {
  color: #60a5fa;
}

.publication {
  margin-bottom: 1.0em;
}

.publication p {
  font-size: 1em;
  line-height: 1.5em;
  color: #8b8b9b;
}

.project-description {
  width: 80%;
  float: left;
}

/**************************************************/
/* Subtle footer at the bottom of the page. */

/**************************************************/
/* Inline explainer for inference-time policy steering. */

#itps-explainer {
  display: none;
  font-size: 0.85em;
  line-height: 1.4em;
  color: #daa520;
  margin-top: 0.4em;
  margin-bottom: 0.4em;
}

#itps-explainer a {
  color: #60a5fa;
}

.toggle-hint,
.desc-toggle {
  color: #daa520;
  font-style: italic;
  font-size: 0.85em;
}

.pub-desc {
  display: none;
  color: #daa520;
  font-size: 0.9em;
  line-height: 1.4em;
  margin-top: 0.3em;
}

.pub-desc.show {
  display: block;
}

#intro-text .pub-desc.show {
  display: block;
  position: absolute;
  left: 0;
}

/**************************************************/
/* Subtle footer at the bottom of the page. */

#footer {
  color: #6b6b7b;
  position: absolute;
  bottom: 0;
  line-height: 2.5em;
  display: flex;
  align-items: center;
  gap: 0.45em;
}

#footer .footer-globe {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  transform: translateY(1px);
}

#footer .footer-globe .clstrm_outer {
  margin: 0 !important;
  filter: grayscale(1) saturate(0) contrast(1.05);
}

#footer .footer-globe-fallback {
  color: #60a5fa;
  line-height: 1;
  font-size: 0.9em;
}