/* Minimal academic stylesheet in the Jon Barron template idiom.
   Adapted from https://younghyopark.me/stylesheet.css */

/* ---------- Lato font ---------- */
/* latin */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjx4wXiWtFCc.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  src: local('Lato Regular'), local('Lato-Regular'), url(https://fonts.gstatic.com/s/lato/v15/S6uyw4BMUTPHjxAwXiWtFCfQ7A.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin bold */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext bold */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  src: local('Lato Bold'), local('Lato-Bold'), url(https://fonts.gstatic.com/s/lato/v15/S6u9w4BMUTPHh6UVSwaPGQ3q5d0N7w.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin italic */
@font-face {
  font-family: 'Lato';
  font-style: italic;
  font-weight: 400;
  src: local('Lato Italic'), local('Lato-Italic'), url(https://fonts.gstatic.com/s/lato/v15/S6u8w4BMUTPHjxsAXC-qNiXg7Q.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Base ---------- */
a {
  color: #1772d0;
  text-decoration: none;
}
a:focus,
a:hover {
  color: #f09228;
  text-decoration: none;
}

body,
td,
th,
tr,
p,
a {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px;
}

strong {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px;
}

heading {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 22px;
}

papertitle {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

name {
  font-family: 'Lato', Verdana, Helvetica, sans-serif;
  font-size: 32px;
}

.bio-links {
  margin-top: 14px;
  line-height: 1.6;
}

.tldr {
  display: inline-block;
  margin: 4px 0 2px 0;
  color: #555;
  line-height: 1.4;
}

/* Featured open-source callout */
.oss-card {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid #e6ebf1;
  border-radius: 10px;
  background: linear-gradient(180deg, #fbfdff 0%, #f6f9fc 100%);
}
.oss-logo {
  flex: 0 0 132px;
  width: 132px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #eef2f6;
  border-radius: 8px;
  overflow: hidden;
}
.oss-logo img {
  max-width: 118px;
  max-height: 82px;
  object-fit: contain;
}
.oss-body { flex: 1; min-width: 0; }
.oss-title {
  font-size: 16px;
  font-weight: 700;
}
.oss-title a { color: #1772d0; }
.oss-badges {
  display: inline-flex;
  gap: 8px;
  margin-left: 10px;
  vertical-align: middle;
}
.oss-badges img { height: 18px; vertical-align: middle; }
.oss-desc {
  margin: 6px 0 10px 0;
  color: #333;
  line-height: 1.45;
}
.oss-langs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.oss-langs span {
  font-size: 12px;
  color: #55606b;
  background: #eef3f8;
  border: 1px solid #e2e9f0;
  border-radius: 999px;
  padding: 2px 9px;
}
.oss-links a { margin-right: 12px; font-size: 14px; }
@media (max-width: 600px) {
  .oss-card { flex-direction: column; align-items: flex-start; }
  .oss-logo { width: 100%; flex-basis: auto; }
}

.star-badge {
  display: inline-block;
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}
.star-badge img {
  height: 18px;
}

/* ---------- Project subpages ---------- */
.crumbs {
  margin: 16px 0 22px 0;
  font-size: 13px;
  color: #999;
}
.crumbs a { color: #999; }
.crumbs a:hover { color: #f09228; }
.crumbs .sep { margin: 0 6px; color: #ccc; }

.proj-head {
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid #eee;
}
.proj-head .kicker {
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 11.5px;
  font-weight: 700;
  color: #1772d0;
  margin-bottom: 8px;
}
.proj-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.15;
  margin: 0;
}
.proj-sub {
  margin: 10px 0 0 0;
  color: #555;
  font-size: 16px;
  line-height: 1.4;
}

/* resource links row */
.reslinks {
  margin: 16px 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.reslinks a {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid #d9e2ee;
  border-radius: 999px;
  background: #f6f9fc;
  color: #1772d0;
  font-size: 13px;
  line-height: 1.4;
}
.reslinks a:hover {
  border-color: #f0b98a;
  background: #fff6ee;
  color: #f09228;
}

.prose {
  line-height: 1.65;
  color: #1f1f1f;
  font-size: 15px;
}
.prose h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 30px 0 8px 0;
  padding-bottom: 6px;
  border-bottom: 1px solid #f0f0f0;
}
.prose h3 {
  font-size: 15.5px;
  font-weight: 700;
  margin: 22px 0 6px 0;
}
.prose p { margin: 12px 0; }
.prose a { text-decoration: none; }
.prose a:hover { text-decoration: underline; }
.prose ul {
  margin: 10px 0;
  padding-left: 22px;
}
.prose li { margin: 5px 0; }
.prose hr {
  border: none;
  border-top: 1px solid #ececec;
  margin: 26px 0;
}
.prose code {
  background: #f4f4f6;
  border: 1px solid #ececf0;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}

/* abstract callout */
.abstract {
  border-left: 3px solid #1772d0;
  background: #f7fafd;
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  color: #333;
  font-size: 14.5px;
}
.abstract strong { color: #1772d0; }

.prose figure {
  margin: 22px 0;
  text-align: center;
}
.prose figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid #ececec;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.prose figcaption {
  margin-top: 9px;
  color: #999;
  font-size: 12.5px;
  line-height: 1.4;
}
.fig-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: flex-start;
  margin: 22px 0;
}
.fig-row figure {
  flex: 1 1 300px;
  margin: 0;
}
.prose iframe {
  max-width: 100%;
  border: 0;
  border-radius: 8px;
}
.backlink {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid #eee;
  font-size: 14px;
}

/* legacy meta (kept for any unconverted page) */
.project-meta {
  color: #555;
  margin: 4px 0 18px 0;
}

/* ---------- Thumbnails ---------- */
.one {
  width: 160px;
  height: 160px;
  position: relative;
}
.two {
  width: 160px;
  height: 160px;
  position: absolute;
  opacity: 1 !important;
  transition: opacity .2s ease-in-out;
}
.one > img,
.two > img {
  width: 160px;
  height: 160px;
  object-fit: contain;
  background: #fff;
  border-radius: 4px;
}
.diagram-thumb,
.diagram-thumb > img {
  height: auto;
  object-fit: contain;
}

/* Placeholder thumbnail for papers without a preview image */
.thumb-placeholder {
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f2f2f2;
  border: 1px solid #e2e2e2;
  border-radius: 4px;
  color: #999;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
}

/* ---------- Awards / notes ---------- */
.paper-note,
.paper-note a,
.paper-note strong {
  color: #c0392b;
  font-size: inherit;
  font-weight: 700;
}

.paper-tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
  outline: none;
}
.paper-tooltip-content {
  position: absolute;
  left: 0;
  top: 1.55em;
  z-index: 10;
  width: max-content;
  max-width: 340px;
  padding: 8px 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: white;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  color: #555;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.15s ease;
}
.paper-tooltip:hover .paper-tooltip-content,
.paper-tooltip:focus .paper-tooltip-content,
.paper-tooltip:focus-within .paper-tooltip-content {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}
.paper-tooltip-content span {
  display: block;
  margin-bottom: 6px;
  color: #555;
}
.paper-tooltip-content span:last-child {
  margin-bottom: 0;
}

/* ---------- News feed ---------- */
.news-wrap {
  position: relative;
  margin-top: 10px;
}
.news-list {
  max-height: var(--news-collapsed-height, 148px);
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.news-list.expanded {
  max-height: 4000px;
}
.news-list .news-item {
  display: flex;
  align-items: baseline;
  margin: 0 0 8px 0;
  font-size: 1em;
  line-height: 1.4;
  text-align: left;
  color: #222;
}
.news-list .news-item:last-child {
  margin-bottom: 0;
}
.news-list .news-date {
  flex: 0 0 74px;
  color: #888;
  font-size: 0.95em;
  margin-right: 14px;
  font-variant-numeric: tabular-nums;
}
.news-list .news-body {
  flex: 1;
}
.news-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1));
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.news-wrap.expanded .news-fade {
  opacity: 0;
}
.news-toggle {
  display: inline-block;
  margin-top: 10px;
  padding: 0;
  background: none;
  border: none;
  color: #1772d0;
  font-family: inherit;
  font-size: 0.95em;
  cursor: pointer;
}
.news-toggle:hover {
  color: #f09228;
  text-decoration: underline;
}
.news-toggle::after {
  content: " \25be";
  font-size: 0.85em;
}
.news-wrap.expanded .news-toggle::after {
  content: " \25b4";
}

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
  body {
    margin: 0;
  }
  /* Stack the bio header: photo first, then text */
  .bio-row {
    display: flex !important;
    flex-direction: column;
  }
  .bio-photo {
    order: -1;
    padding: 0 0 12px 0 !important;
    text-align: center;
  }
  .bio-photo img {
    width: 60% !important;
    max-width: 220px;
  }
  .bio-text {
    padding: 0 16px !important;
  }
  /* Stack every publication / project row */
  .rows tr,
  .rows td {
    display: block !important;
    width: 100% !important;
    padding: 6px 16px !important;
    box-sizing: border-box;
  }
  .one,
  .two,
  .thumb-placeholder {
    margin: 0 auto 8px;
  }
  name {
    font-size: 30px;
  }
  heading {
    font-size: 20px;
  }
  .news-list {
    max-height: var(--news-collapsed-height-mobile, 200px);
  }
}