body { background-color: #FAFAFA; margin: 0; padding: 0; }
body, td, p, heading, name, papertitle {
font-family: 'Lato', 'Segoe UI', 'Helvetica Neue', sans-serif;
font-size: 15px;
}

.btn {
display: inline-flex;
align-items: center;
gap: 4px;
margin: 1px;
padding: 4px 10px 4px 8px;
color: #303030;
background-color: #BBDEFB;
border-radius: 20px;
font-weight: 500;
transition: background-color 0.2s;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
vertical-align: middle;
cursor: pointer;
}

.btn .material-icons { font-size: 1.2em; }
.btn:hover {
background-color: #316CAD;
color: #fff;
}

.btn-publication {
background-color: #C8E6C9;
}

.btn-publication:hover { background-color: #2E7D32; color: #fff; }
.news-date { font-weight: 500; color: #316CAD; }
.news-item-title { font-weight: 600; }
.news-highlight-red { font-weight: 600; color: #EF5350; }
.description { display: block; margin: 4px 0; color: #555; font-style: italic; padding: 4px 0; }
.bibtex {
max-height: 0; opacity: 0; overflow-x: auto;
margin-top: 0; padding: 0 4px;
background-color: #fff3e0; border-left: 4px solid #ffb300;
font-family: monospace; white-space: pre-wrap; font-size: small;
transition: max-height 0.5s ease, opacity 0.5s ease;
}

.bibtex.show { max-height: 200px; opacity: 1; margin-top: 4px; padding: 4px; }

a { color: #1E88E5; text-decoration: none !important; }
a:hover, a:focus { color: #316CAD; text-decoration: underline; }

.publications-table { margin-top: 20px; border-collapse: separate; border-spacing: 0 20px; }

.publications-table tr td img { max-width: 150px; max-height: 125px; border-radius: 8%; transition: border-radius 0.2s ease-in-out; }
.publications-table tr td img:hover { border-radius: 12%; }

heading {
font-size: 22px;
font-weight: bold;
}

name {
font-size: 32px;
font-weight: bold;
}

papertitle {
font-weight: bold;
color: #316CAD;
}

/* --- LAYOUT STYLES --- */
.bio-name, .bio-links {
text-align: center;
}

.profile-pic-container img {
border-radius: 15px;
height: 250px;
display: block;
margin: auto; 
}

/* --- DESKTOP LAYOUT (CSS GRID) --- */
@media screen and (min-width: 769px) {
.main-layout {
    display: grid;
    grid-template-columns: 1fr auto; /* Two columns: text | picture */
    grid-template-areas:
    "name    picture"
    "bio     picture";
    gap: 0 20px;
    align-items: center; /* Vertically center everything */
}
/* Assign elements to grid areas */
.bio-name { grid-area: name; }
.left-column { grid-area: bio; }
.profile-pic-container { grid-area: picture; }
}


/* --- MOBILE STYLES (FLEXBOX) --- */
@media screen and (max-width: 768px) {
.main-layout {
    display: flex;
    flex-direction: column;
}
/* Explicitly order the elements for the mobile view */
.bio-name { order: 1; }
.profile-pic-container { order: 2; padding: 20px 0; }
.left-column { order: 3; }

.pub-image, .pub-details {
    display: block;
    width: 100%;
    text-align: left;
}

.pub-image img {
    display: block;
    margin: 0 auto 10px auto;
}
}


/* --- MODAL, NEWS, AND OTHER STYLES--- */
.modal {
display: none; position: fixed; z-index: 1000;
top: 0; left: 0; right: 0; bottom: 0;
background: rgba(0,0,0,0.6); justify-content: center; align-items: center;
}
.modal-content {
position: relative; background: #000; padding: 0; border-radius: 8px;
max-width: 50vw; max-height: 50vh; box-shadow: 0 4px 12px rgba(0,0,0,0.4);
animation: dropIn 0.3s ease-out; overflow: hidden;
}
.modal-content video { width: 100%; height: auto; display: block; }
.close-btn {
position: absolute; top: 12px; right: 12px;
width: 32px; height: 32px; line-height: 32px; text-align: center;
font-size: 20px; color: #fff; background-color: rgba(0,0,0,0.8);
border-radius: 6px; cursor: pointer; z-index: 10;
}
.close-btn:hover { background-color: rgba(0,0,0,1); }
.news-scroll-container {
max-height: 170px;
overflow-y: scroll;
padding-right: 5px;
margin-top: 4px;
}
.news-scroll-container::-webkit-scrollbar { width: 8px; }
.news-scroll-container::-webkit-scrollbar-track { background-color: #f0f0f0; border-radius: 4px; }
.news-scroll-container::-webkit-scrollbar-thumb { background-color: #c1c1c1; border-radius: 4px; }
.news-scroll-container::-webkit-scrollbar-thumb:hover { background-color: #a8a8a8; }
@keyframes dropIn {
from { transform: translateY(-30px); opacity: 0; }
to { transform: translateY(0); opacity: 1; }
}


/* --- DARK MODE STYLES --- */
body.dark {
  background-color: #121212;
  color: #e0e0e0;
}

/* Restore light mode defaults when not in dark mode */
body:not(.dark) {
  background-color: #FAFAFA;
  color: #000;
}

/* Links */
body.dark a { color: #90caf9; }
body.dark a:hover { color: #64b5f6; }

/* Buttons */
body.dark .btn {
  background-color: #1e3a5f;
  color: #f1f1f1;
}
body.dark .btn-publication {
  background-color: #2e7d32;
  color: #fff;
}

/* Text and details */
body.dark .bio-text,
body.dark .description,
body.dark p,
body.dark td,
body.dark .news-item-title {
  color: #e0e0e0;
}

/* Make the email visible in dark mode */
body.dark .bio-name span {
  color: #cfcfcf !important;
}

/* BibTeX blocks */
body.dark .bibtex {
  background-color: #333;
  border-left-color: #ffb300;
  color: #fff3e0;
}

/* Modal and scroll areas */
body.dark .modal-content { background-color: #222; }
body.dark .news-scroll-container::-webkit-scrollbar-track { background-color: #333; }
body.dark .news-scroll-container::-webkit-scrollbar-thumb { background-color: #555; }

/* Images */
body.dark .publications-table tr td img {
  box-shadow: 0 0 8px rgba(255,255,255,0.2);
}

/* --- SIMPLE ICON TOGGLE --- */
#theme-toggle-btn {
  position: fixed;
  top: 20px;
  right: 25px;
  z-index: 2000;
  background: #e0e0e0;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

#theme-toggle-btn:hover {
  background: #bdbdbd;
  transform: translateY(-2px);
}

#themeToggleIcon {
  font-size: 24px;
  color: #333;
}

body.dark #theme-toggle-btn {
  background: #333;
}
body.dark #themeToggleIcon {
  color: #f5f5f5;
}