:root {
  --global-bg-color: #fff;
  --global-code-bg-color: rgba(181,9,172,0.05);
  --global-text-color: #000;
  --global-text-color-light: #828282;
  --global-theme-color: #b509ac;
  --global-hover-color: #b509ac;
  --global-hover-text-color: #fff;
  --global-footer-bg-color: #1c1c1d;
  --global-footer-text-color: #e8e8e8;
  --global-footer-link-color: #fff;
  --global-divider-color: rgba(0,0,0,.1);
  --global-card-bg-color: #fff;
}
:root .fa-sun { display: none; }
:root .fa-moon { padding-left: 10px; padding-top: 12px; display: block; }

html[data-theme="dark"] {
  --global-bg-color: #1c1c1d;
  --global-code-bg-color: #2c3237;
  --global-text-color: #e8e8e8;
  --global-text-color-light: #e8e8e8;
  --global-theme-color: #2698ba;
  --global-hover-color: #2698ba;
  --global-hover-text-color: #fff;
  --global-footer-bg-color: #e8e8e8;
  --global-footer-text-color: #1c1c1d;
  --global-footer-link-color: #000;
  --global-divider-color: #424246;
  --global-card-bg-color: #212529;
}
html[data-theme="dark"] .fa-sun { padding-left: 10px; padding-top: 12px; display: block; }
html[data-theme="dark"] .fa-moon { display: none; }

html.transition, html.transition *, html.transition *:before, html.transition *:after {
  transition: all 750ms !important;
  transition-delay: 0 !important;
}

body {
  padding-bottom: 70px;
  color: var(--global-text-color);
  background-color: var(--global-bg-color);
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
}

body h1, body h2, body h3, body h4, body h5, body h6 {
  scroll-margin-top: 66px;
}
body.fixed-top-nav { padding-top: 56px; }

.container { max-width: 1200px; }

p, h1, h2, h3, h4, h5, h6, em, div, li, span, strong {
  color: var(--global-text-color);
}

a {
  color: var(--global-theme-color);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}
a:hover {
  color: var(--global-theme-color);
  text-decoration: underline;
}

hr { border-top: 1px solid var(--global-divider-color); }

figure, img { max-width: 90vw; }

/* Navbar */
.navbar {
  box-shadow: none;
  border-bottom: 1px solid var(--global-divider-color);
  background-color: var(--global-bg-color);
  opacity: 0.95;
}
.navbar.navbar-light .navbar-brand { color: var(--global-text-color); font-weight: 500; }
.navbar.navbar-light .navbar-nav .nav-item .nav-link { color: var(--global-text-color); }
.navbar.navbar-light .navbar-nav .nav-item .nav-link:hover { color: var(--global-hover-color); }
.navbar.navbar-light .navbar-nav .nav-item.active > .nav-link {
  background-color: inherit;
  font-weight: bolder;
  color: var(--global-theme-color);
}
.navbar.navbar-light a:hover { text-decoration: none; }

.navbar-toggler .icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--global-text-color);
  border-radius: 1px;
  margin-bottom: 4px;
  transition: all 0.2s;
}
.navbar-toggler .top-bar { transform: rotate(45deg); transform-origin: 10% 10%; }
.navbar-toggler .middle-bar { opacity: 0; }
.navbar-toggler .bottom-bar { transform: rotate(-45deg); transform-origin: 10% 90%; }
.navbar-toggler.collapsed .top-bar { transform: rotate(0); }
.navbar-toggler.collapsed .middle-bar { opacity: 1; }
.navbar-toggler.collapsed .bottom-bar { transform: rotate(0); }

#light-toggle {
  padding: 0;
  border: 0;
  background-color: inherit;
  color: var(--global-text-color);
}
#light-toggle:hover { color: var(--global-hover-color); }

/* Profile */
.profile { width: 100%; }
.profile img { width: 100%; }
.profile .address {
  margin-bottom: 5px;
  margin-top: 5px;
  font-family: monospace;
  text-align: center;
}
.profile .address p { display: inline-block; margin: 0; }
.profile.float-right { margin-left: 1rem; }
@media (min-width: 576px) {
  .profile { width: 30%; }
  .profile .address p { display: block; }
}

/* Post content */
.post { margin-top: 1rem; }
.post-title { font-size: 2.5rem; font-weight: 300; }
.post-title .font-weight-bold { font-weight: 700; }

.clearfix p { line-height: 1.8; margin-bottom: 1rem; }

/* Publications */
.publications { margin-top: 2rem; }
.publications h2 {
  color: var(--global-divider-color);
  border-top: 1px solid var(--global-divider-color);
  padding-top: 1rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-align: right;
  font-size: 1.5rem;
}
.publications ol.bibliography { list-style: none; padding: 0; margin-top: 0; }
.publications ol.bibliography li { margin-bottom: 2rem; }

.pub-row {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}
.pub-preview {
  flex-shrink: 0;
  width: 200px;
  min-width: 120px;
  max-width: 200px;
}
.pub-preview img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.12);
}
.pub-content { flex-grow: 1; }

.pub-tags {
  font-size: 0.8rem;
  color: var(--global-theme-color);
  margin-bottom: 0.3rem;
}
.pub-tags .tag {
  display: inline-block;
  background-color: var(--global-code-bg-color);
  padding: 1px 8px;
  border-radius: 3px;
  margin-right: 4px;
}

.pub-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.3rem; line-height: 1.4; }
.pub-authors { font-size: 0.95rem; margin-bottom: 0.2rem; }
.pub-authors em { font-style: normal; font-weight: 600; border-bottom: 1px solid; }
.pub-venue { font-size: 0.9rem; font-style: italic; margin-bottom: 0.5rem; }
.pub-venue .award {
  color: var(--global-theme-color);
  border: 1px solid var(--global-theme-color);
  padding: 0 6px;
  border-radius: 3px;
  font-style: normal;
  font-size: 0.75rem;
  margin-left: 6px;
}

.pub-links { margin-bottom: 0.5rem; }
.pub-links a.btn {
  color: var(--global-text-color);
  border: 1px solid var(--global-text-color);
  padding: 2px 12px;
  border-radius: 3px;
  font-size: 0.8rem;
  margin-right: 4px;
  text-decoration: none;
  transition: all 0.2s;
}
.pub-links a.btn:hover {
  color: var(--global-theme-color);
  border-color: var(--global-theme-color);
  text-decoration: none;
}

.pub-abstract {
  font-size: 0.875rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
  text-align: justify;
}
.pub-abstract.open {
  max-height: 500px;
  padding-top: 0.5rem;
}
.pub-abstract p { line-height: 1.5; margin: 0; }

/* Social */
.social { text-align: center; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--global-divider-color); }
.social .contact-icons { font-size: 2.5rem; }
.social .contact-icons a { margin: 0 8px; }
.social .contact-icons a i::before {
  color: var(--global-text-color);
  transition: color 0.2s ease-in-out;
}
.social .contact-icons a:hover i::before { color: var(--global-theme-color); }

/* Footer */
footer.fixed-bottom {
  background-color: var(--global-footer-bg-color);
  font-size: 0.75rem;
}
footer.fixed-bottom .container {
  color: var(--global-footer-text-color);
  padding-top: 9px;
  padding-bottom: 8px;
  text-align: center;
}

/* Progress bar */
progress {
  position: fixed;
  left: 0;
  top: 56px;
  z-index: 10;
  width: 100%;
  height: 1px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: 0;
  background-color: transparent;
  color: var(--global-theme-color);
}
progress::-webkit-progress-bar { background-color: transparent; }
progress::-webkit-progress-value { background-color: var(--global-theme-color); }
progress::-moz-progress-bar { background-color: var(--global-theme-color); }

/* Responsive */
@media (max-width: 576px) {
  .pub-row { flex-direction: column; }
  .pub-preview { width: 100%; max-width: 100%; }
  .post-title { font-size: 1.8rem; }
  .profile { width: 50%; margin: 0 auto 1rem auto; float: none; }
}