/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-image: url('https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?auto=format&fit=crop&w=1400&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
  color: #fff;
}

/* Overlay për errësim të lehtë të sfondit */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: -1;
}

/* NAVBAR */
nav {
  background-color: #a97c50; 
  padding: 1em 40px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

/* Butoni "Kthehu mbrapa" */
.nav-left .back-link {
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  font-size: 1em;
}

.nav-left .back-link:hover {
  text-decoration: underline;
}

/* Menuja në qendër */
.nav-center {
  display: flex;
  justify-content: center;
  flex: 1;
}

.nav-center ul {
  display: flex;
  list-style: none;
  gap: 40px;
  margin: 0;
  padding: 0;
}

.nav-center li {
  cursor: pointer;
  font-weight: bold;
  color: #fff; 
  position: relative;
  padding-bottom: 0;
  transition: color 0.3s ease;
  user-select: none;
}

.nav-center li:hover {
  color: #f5e4c3; 
}

.nav-center li.active {
  color: #fff;
}

main {
  padding: 40px 20px;
  min-height: 80vh;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.books-category-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 15px;
  margin-bottom: 40px;
}

.book-card {
  background-color: #a97c50; 
  color: #333;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  text-align: center;
  padding: 15px;
  transition: transform 0.2s;
  cursor: pointer;
}

.book-card:hover {
  transform: scale(1.05);
}

.book-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}

.book-card h3 {
  margin-top: 10px;
  font-size: 1.1em;
  color: #fff;
  letter-spacing: normal;
}

.book-card h3.local-img-title {
  letter-spacing: 2px;
}

/* Citimi */
#quote {
  margin-top: 40px;
  text-align: center;
  font-style: italic;
  font-size: 1.2em;
  color: #ffcf9f;
}

@media (max-width: 600px) {
  nav {
    padding: 1em 15px;
  }
  
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .nav-center ul {
    gap: 20px;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  
  .books-grid,
  .books-category-container {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  main {
    padding: 20px 10px;
  }
  
  .book-card img {
    height: 140px;
  }
  
  #quote {
    font-size: 1em;
    margin-top: 30px;
  }
}

@media (min-width: 601px) and (max-width: 1024px) {
  .books-grid,
  .books-category-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .book-card img {
    height: 160px;
  }

  main {
    padding: 30px 20px;
  }
}