.slide {
  display: none;
}

.slide.active {
  display: block;
}

.slide-nav {
  background-color: #e6f2ff;
  padding: 10px;
  margin: 20px auto;
  border-radius: 10px;
  max-width: 900px;
}

.slide-nav h3 {
  margin-bottom: 10px;
  font-size: 20px;
  text-align: center;
}

.slide-nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.slide-nav li {
  flex: 1 1 calc(45% - 10px);
  min-width: 140px;
  max-width: 48%;
}

.slide-nav a {
  display: block;
  background-color: #fff;
  border: 2px solid #0077cc;
  border-radius: 6px;
  text-align: center;
  padding: 8px;
  color: #0077cc;
  text-decoration: none;
  font-weight: bold;
  font-size: 14px;
  word-wrap: break-word;
  hyphens: auto;
  transition: background-color 0.3s, color 0.3s;
}

.slide-nav a:hover {
  background-color: #0077cc;
  color: white;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 30px auto;
  flex-wrap: wrap;
}

.nav button,
.nav a {
  background-color: #0077cc;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

.nav button:hover,
.nav a:hover {
  background-color: #005fa3;
  transform: translateY(-2px);
}

/* Optimalizace pro extra malé obrazovky */
@media (max-width: 400px) {
  .slide-nav li {
    flex: 1 1 100%;
  }

  .slide-nav a {
    font-size: 13px;
    padding: 6px;
  }
}