/* ============================================================
   PESQUISAS PAGE — fichas de publicação
   ============================================================ */

.pesquisas-articles {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.paper-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

/* Cada publicação ocupa uma linha: identidade visual à esquerda e
   informações principais à direita. */
.paper-card {
  padding: 1.25rem;
  display: grid;
  grid-template-columns: minmax(180px, 21%) minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: stretch;
}

/* Mantém imagem e conteúdo acima do overlay do spotlight-card. */
.paper-card > * {
  position: relative;
  z-index: 2;
}

.paper-card-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0.75rem 1rem 0.75rem 0;
}

.paper-card-media {
  min-height: 170px;
  border: 1px solid rgb(var(--accent-indigo-rgb) / 0.1);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.paper-card-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 100px;
  object-fit: contain;
}

.paper-card-media--ieee {
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 174, 239, 0.18), transparent 45%),
    linear-gradient(145deg, #141a2a, #080b13);
}

.paper-card-media--ieee img {
  max-width: 170px;
}

.paper-card-media--ingenieria {
  background:
    linear-gradient(rgba(255, 255, 255, 0.94), rgba(245, 250, 246, 0.94)),
    linear-gradient(145deg, #ecfdf3, #dcfce7);
}

.paper-card-media--ingenieria img {
  max-width: 250px;
}

.paper-card-media--sigmae {
  background: #202a68;
}

.paper-card-media--sigmae img {
  max-width: 250px;
  max-height: 120px;
}

.paper-card-media--pdf {
  flex-direction: column;
  gap: 0.65rem;
  background: linear-gradient(180deg, #fbfbfd, #eef0f6);
}

.paper-card-pdf-icon {
  width: 52px;
  height: 65px;
}

.paper-card-pdf-page {
  fill: #ffffff;
  stroke: rgba(78, 87, 111, 0.35);
  stroke-width: 2.5;
  stroke-linejoin: round;
}

.paper-card-pdf-fold {
  fill: #eef0f6;
  stroke: rgba(78, 87, 111, 0.35);
  stroke-width: 2.5;
  stroke-linejoin: round;
}

.paper-card-pdf-badge {
  fill: #dc2626;
}

.paper-card-pdf-text {
  fill: #fff;
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-anchor: middle;
}

.paper-card-pdf-caption {
  color: var(--text-muted);
  font-family: var(--font-code);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}

.paper-card-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.paper-tag {
  background: rgb(var(--accent-indigo-rgb) / 0.08);
  color: var(--accent-indigo);
}

.paper-tag.is-violet {
  background: rgb(var(--accent-violet-rgb) / 0.08);
  color: var(--accent-violet);
}

.paper-tag.is-open-access {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.paper-card-title {
  font-size: 1.3rem;
  line-height: 1.35;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.paper-card-authors {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-code);
}

.paper-card-summary {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  flex: 1 1 0%;
  margin-bottom: 1.5rem;
}

.paper-card-link {
  align-self: flex-start;
  gap: 0.5rem;
}

.paper-card-link svg {
  margin-left: 0.5rem;
}

@media (max-width: 768px) {
  .paper-list {
    gap: 1rem;
  }

  .paper-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
    padding: 1rem;
  }

  .paper-card-media {
    min-height: 150px;
  }

  .paper-card-content {
    padding: 0 0.5rem 0.5rem;
  }
}

@media (max-width: 480px) {
  .pesquisas-articles {
    padding-top: 2rem;
  }

  .paper-card-media {
    min-height: 132px;
    padding: 1.5rem;
  }

  .paper-card-title {
    font-size: 1.15rem;
  }
}