/* pull in Swiper’s styles */
@import url("https://unpkg.com/swiper/swiper-bundle.min.css");

/* styles.css */
```{css}
.vis-network .vis-node.box {
  width: 80px !important;
  height: 80px !important;
  line-height: 80px !important;
  text-align: center !important;
  border-radius: 50% !important;
}

#dfs-stack-container {
  margin-top: 20px;
  font-family: sans-serif;
}

.stack-box {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  min-height: 200px;
  border: 2px solid #000;
  padding: 10px;
  width: 100px;
  margin: 0 auto;
  background: #f9f9f9;
}

#bfs-queue {
    display: flex;
    flex-direction: row;       /* left to right */
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: #f9f9f9;
    border: 2px dashed #ccc;
    border-radius: 6px;
    min-height: 40px;
    overflow-x: auto;
    width: 240px;
  }

.stack-item {
  background-color: #87CEEB;
  border: 2px solid #000;
  border-radius: 20px;
  padding: 4px 10px;
  margin: 3px 0;
  font-weight: bold;
}

.stack-explanation {
  margin-top: 1em;
  font-size: 0.95em;
  color: #444;
}



/* 1) Make the inner “.listing-grid” into a responsive grid */
#ai-news .listing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 1rem;
}

/* 2) Style each card container */
#ai-news .quarto-grid-item.card {
  position: relative;
  height: 200px;
  border-radius: 0.5rem;
  overflow: hidden;
  background-color: #333;        /* fallback color */
  background-size: cover;
  background-position: center;
  color: white;
  transition: transform .2s ease;
  cursor: pointer;
}
#ai-news .quarto-grid-item.card:hover {
  transform: translateY(-4px);
}

/* 3) Hide only the inline <img> so our JS‑lifted background shows */
#ai-news .quarto-grid-item.card p.card-img-top img {
  display: none !important;
}

/* 4) Overlay container for text */
#ai-news .quarto-grid-item.card .card-content {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  padding: 0.75rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
}

/* 5) Tidy up the fields inside .card-content */
#ai-news .quarto-grid-item.card .card-content .field-title {
  margin: 0 0 .5rem;
  font-size: 1.1rem;
  font-weight: bold;
}
#ai-news .quarto-grid-item.card .card-content .field-date,
#ai-news .quarto-grid-item.card .card-content .field-source {
  font-size: 0.8rem;
  opacity: 0.8;
}


/* in styles.css */
.swiper-container {
  width: 100%;        /* will fill its column */
  max-width: 100%;    /* never overflow */
  margin: 0 auto;     /* center if narrower */
}


/* grid layout if not already defined */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 1rem;
}

/* make the entire <a> block fill its grid cell */
.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card {
  position: relative;
  height: 300px;
  overflow: hidden;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin: 0px;
  padding: 0px;
  color: black;
}

.quarto-grid-item {
    padding: 0px !important;
}


.card img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
}


/* Overlay (dark background at bottom) */
.card::after {
  content: "";
  position: absolute;
  inset: 0 0 0 0;
  z-index: 1;
}

/* Title and description wrapper */
.card .card-body {
  position: relative;
  z-index: 2;
  padding: 1rem;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0;
}


/* hover “pop‑out” */
.card:hover {
  transform: scale(1.01);
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.card .overlay {
  position: absolute;
  /*inset: 0; /* shorthand for top: 0; right: 0; bottom: 0; left: 0 */
  background: rgba(0, 0, 0, 0.7); /* change this to any color or gradient */
  z-index: 2;
  padding: 10px;
  font-weight: bold;
  pointer-events: none; /* allow clicks to pass through */
  color: white;
}

.card-other-values {
  background: transparent !important;
}

.img-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: multiply; /* optional: for better blending effect */
}

/* your existing CSS follows… */
.container { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.news-carousel { margin-bottom: 2rem; }
.recent-posts { margin-top: 2rem; }
.sidebar { padding-left: 1rem; border-left: 1px solid #eee; }
.sidebar .search input { width: 100%; padding: .5rem; }
.sidebar .rss { margin-top: 1rem; }
.post-list { list-style: none; padding: 0; }
.post-list li { margin-bottom: 1rem; }

.sidebar-content {
  display: flex;
  flex-direction: column;
  align-items: center; /* horizontal center */
  gap: 20px; /* spacing between items */
  padding: 20px;
  text-align: center;
}


/* Two‑column overall layout */
.layout {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 2rem;
  align-items: start;
  margin: 2rem 0;
}

/* Main area holds carousel + posts */
.main { }

/* Sidebar styling */
.sidebar {
  border-left: 1px solid #eee;
  padding-left: 1rem;
}

/* 5‑column row for top 5 posts */
.posts-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

/* Simple post card */
.post-card {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.1);
}
.post-card img {
  display: block;
  width: 100%;
  height: auto;
}
.post-card .overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  padding: 0.5rem;
  font-size: 0.9rem;
}




/* css styles */
.quarto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  grid-auto-rows: auto;
}


.quarto-grid-item {
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.quarto-grid-item:hover {
  box-shadow: 2px 6px 18px rgba(0, 0, 0, 0.12);
  transform: translateY(-5px);
}


@media (max-width: 768px) {
  .quarto-grid {
    grid-template-columns: 1fr !important;
  }

  .quarto-grid-item {
    margin-bottom: 1.5rem;
  }
}