@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Flex:opsz,wght@6..144,1..1000&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&family=Raleway:ital,wght@0,100..900;1,100..900&display=swap');

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background: #f4f7f5;
  color: #2e2e2e;
  margin: 0;
  font-family: 'Inter', sans-serif;
}

#main-header {
  padding: 0.5rem 1rem;
  text-align: center;
  margin-bottom: 0.5rem;
  background: #f5f8f6;
}

h1 {
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: 2.1rem;
  letter-spacing: 0.5px;
  color: #2e2e2e;
}

#book-filters {
  display: flex;
  gap: 20px;
  padding: 20px;
  flex-wrap: wrap;
}

#book-filters fieldset {
  border: 0px solid #a8b8a5;
  background: #f4f7f5;
  padding: 16px 20px;
  border-radius: 8px;
  min-width: 220px;
  flex: 1;
}

#book-filters legend {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2f5d4a;
  padding: 0 6px;
}

#book-filters button {
  padding: 8px 16px;
  border: 1px solid #a8b8a5;
  background: #e9f0eb;
  color: #2e2e2e;
  cursor: pointer;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  transition: all 0.25s ease;
}

#book-filters button:hover {
  background: #b7e7cc;
  border-color: #8faf9a;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

#book-filters #random-fieldset {
  flex: 0.5;
}

#book-filters #random-btn {
  background: #c8fff1;
  border-color: #8de7d4;
  color: #2e2e2e;
  font-weight: 600;
}

#book-filters #random-btn:hover {
  background: #aef7e4;
  border-color: #7fdac6;
}

/* Mobile first */
.book-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 20px;
  align-items: stretch;
}

@media (max-width: 600px) {
  #book-filters {
    flex-direction: column;
    gap: 16px;
  }

  #book-filters fieldset {
    width: 100%;
    min-width: unset;
  }
}

/* Tablets */
@media (min-width: 600px) {
  .book-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .book-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .book-card {
    grid-column: span 1;
  }
}

.book-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  height: 100%;
}

.book-cover {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

/* Flex boxes inside the grid items - Flex child */

.book-info {
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: flex-start;
  background: #e9f0eb;
  padding: 16px;
  flex-grow: 1;
}

.book-info h2 {
  color: #3a6b57;
  font-size: 1.3rem;
  margin-bottom: 0.2rem;
}

.book-info p {
  font-size: 0.95rem;
  color: #4a4a4a;
  line-height: 1.3;
  margin: 2px 0;
  font-style: italic;
}

.book-title {
  padding-bottom: 2px;
}