:root {
  --pub-bg: var(--pst-color-surface);
  --pub-text: var(--pst-color-text);
  --pub-muted: var(--pst-color-text-muted);
  --pub-border: var(--pst-color-border);
  --pub-shadow: rgba(0, 0, 0, 0.1);
  --pub-shadow-strong: rgba(0, 0, 0, 0.2);
}

/* === Carousel Wrapper === */
.publications-carousel-container {
  position: relative;
  width: 100%;
  min-height: 850px;
  margin: 40px 0;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
}

.publications-carousel {
  position: relative;
  width: 80%;
  height: 100%;
  perspective: 1000px;
}

.publications-list {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.5s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 800px;
}

/* === Individual Card === */
.publication-card {
  position: absolute;
  width: 500px;
  height: 700px;
  padding: 30px;
  border-radius: 20px;
  background-color: var(--pub-bg);
  box-shadow: 0 6px 25px var(--pub-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transform-origin: center center;
  transition: all 0.5s ease-in-out;
  backface-visibility: hidden;
  color: var(--pub-text);
  border: 1px solid var(--pub-border);
}

/* Active / Center / Side Cards */
.publication-card.active {
  z-index: 10;
  transform: translateX(-50%) translateY(-50%) scale(1.2);
  box-shadow: 0 10px 30px var(--pub-shadow-strong);
}

.publication-card.prev,
.publication-card.next {
  opacity: 0.7;
  transform: translateX(-50%) translateY(-50%) scale(0.8);
  z-index: 5;
}

/* Card Content */
.publication-title {
  font-weight: bold;
  margin-bottom: 10px;
  font-size: 1.1rem;
  color: var(--pub-text);
}

.publication-authors {
  font-size: 0.95rem;
  color: var(--pub-muted);
  margin-bottom: 10px;
}

.pub-source {
  font-size: 0.85rem;
  color: var(--pub-muted);
  font-style: italic;
  margin-top: auto;
}

.pub-sep {
  display: block;
  width: 20%;
  height: 2px;
  background-color: var(--pub-border);
  margin: 8px 0;
}

/* === Carousel Arrows === */
.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 45px;
  height: 45px;
  background-color: var(--pub-bg);
  color: var(--pub-text);
  border-radius: 50%;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  box-shadow: 0 2px 5px var(--pub-shadow-strong);
  user-select: none;
  transition: background 0.2s ease;
  border: 1px solid var(--pub-border);
}

.carousel-control:hover {
  background-color: var(--pub-border);
}

.carousel-control.prev {
  left: 5%;
}

.carousel-control.next {
  right: 5%;
}

/* === Responsive === */
@media (max-width: 768px) {
  .publication-card {
    width: 90%;
    height: auto;
    padding: 20px;
  }

  .publication-title {
    font-size: 1rem;
  }

  .publication-authors,
  .pub-source {
    font-size: 0.9rem;
  }

  .carousel-control {
    width: 35px;
    height: 35px;
    font-size: 20px;
  }

  .carousel-control.prev {
    left: 2%;
  }

  .carousel-control.next {
    right: 2%;
  }
}