.upcoming-books-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.upcoming-book-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #dbe4f0;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.1);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.upcoming-book-card:hover {
  transform: translateY(-4px);
  border-color: #93c5fd;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.16);
}

.upcoming-book-card:focus-within {
  outline: 3px solid rgba(37, 99, 235, 0.3);
  outline-offset: 3px;
}

.upcoming-book-accent {
  height: 0.45rem;
  background: linear-gradient(90deg, #1d4ed8, #0891b2);
}

.upcoming-book-card:nth-child(2) .upcoming-book-accent {
  background: linear-gradient(90deg, #4338ca, #7c3aed);
}

.upcoming-book-card:nth-child(3) .upcoming-book-accent {
  background: linear-gradient(90deg, #0369a1, #0d9488);
}

.upcoming-book-card:nth-child(4) .upcoming-book-accent {
  background: linear-gradient(90deg, #15803d, #65a30d);
}

.upcoming-book-card--placeholder .upcoming-book-accent {
  background: linear-gradient(90deg, #64748b, #94a3b8);
}

.upcoming-book-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.5rem;
}

.upcoming-book-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.upcoming-book-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
  background: #dbeafe;
  padding: 0.35rem 0.7rem;
  color: #1e40af;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.upcoming-book-card--placeholder .upcoming-book-status {
  background: #f1f5f9;
  color: #475569;
}

.upcoming-book-number {
  color: #94a3b8;
  font-family: Merriweather, Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
}

.upcoming-book-title {
  margin: 0 0 1rem;
  color: #0f172a;
  font-family: Merriweather, Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.45;
}

.upcoming-book-byline-label {
  margin: 0 0 0.2rem;
  color: #1d4ed8;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.upcoming-book-contributors {
  margin: 0 0 1rem;
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.55;
}

.upcoming-book-summary {
  margin: 0 0 1.35rem;
  color: #475569;
  font-size: 0.92rem;
  line-height: 1.65;
}

.upcoming-book-meta {
  display: grid;
  gap: 0.65rem;
  margin: auto 0 0;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.upcoming-book-meta div {
  display: grid;
  grid-template-columns: 6.4rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.upcoming-book-meta dt {
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.5;
  text-transform: uppercase;
}

.upcoming-book-meta dd {
  min-width: 0;
  margin: 0;
  color: #1e293b;
  font-size: 0.86rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.upcoming-book-meta a {
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.upcoming-book-meta a:hover {
  color: #1e3a8a;
}

.upcoming-book-card--placeholder {
  border-style: dashed;
  background: #f8fafc;
  box-shadow: none;
}

.upcoming-book-card--placeholder:hover {
  border-color: #94a3b8;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}

@media (min-width: 768px) {
  .upcoming-books-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .upcoming-books-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .upcoming-book-card {
    transition: none;
  }

  .upcoming-book-card:hover {
    transform: none;
  }
}