.site-header {
  position: relative;
}

.language-switch {
  position: absolute;
  top: 22px;
  right: 28px;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  font-weight: 800;
}

.language-switch button {
  cursor: pointer;
  color: #ffffff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 7px 12px;
  font: inherit;
}

.language-switch button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.language-switch button.active {
  background: #ffffff;
  color: #111827;
  border-color: #ffffff;
}

.book-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
}

.book-search,
.book-select {
  height: 44px;
  padding: 0 14px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  background: #ffffff;
  color: #111827;
  font-size: 15px;
}

.book-search {
  flex: 1 1 260px;
}

.book-select {
  flex: 0 0 160px;
}

.book-count {
  margin: 0 0 18px;
  color: #6b7280;
  font-size: 14px;
  font-weight: 700;
}

.empty-message {
  margin-top: 28px;
  padding: 28px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  color: #374151;
  text-align: center;
  font-weight: 800;
}

.home-book-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 28px;
  align-items: start;
}

.compact-book-card {
  padding: 18px;
  text-align: left;
}

.book-cover-link {
  display: block;
  text-align: center;
  margin-bottom: 16px;
}

.compact-book-card .book-cover-thumb {
  width: 100%;
  max-width: 170px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.compact-book-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.45;
}

.compact-book-card p {
  margin: 0 0 14px;
  color: #374151;
  font-size: 15px;
  line-height: 1.65;
}

.book-card-button {
  display: inline-block;
  padding: 9px 13px;
  border-radius: 9px;
  background: #111827;
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 1100px) {
  .home-book-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .home-book-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .language-switch {
    position: static;
    justify-content: center;
    margin-top: 18px;
  }

  .book-tools {
    display: grid;
  }

  .book-search,
  .book-select {
    width: 100%;
  }

  .home-book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .compact-book-card {
    padding: 14px;
  }

  .compact-book-card h3 {
    font-size: 16px;
  }

  .compact-book-card p {
    font-size: 14px;
  }
}