/* Custom styles for Digital Bookshelf */

:root {
  --wood-brown: #8B4513;
  --amber: #D2691E;
  --burgundy: #800020;
  --cream: #FFF8DC;
  --dark-wood: #654321;
  --gold: #DAA520;
}

body {
  margin: 0;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--cream) 0%, #F5F5DC 100%);
  min-height: 100vh;
}

.bg-cream {
  background: var(--cream);
}

/* Header Shelf */
.header-shelf {
  background: linear-gradient(
    180deg,
    var(--wood-brown) 0%,
    var(--dark-wood) 50%,
    var(--wood-brown) 100%
  );
  background-image: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.1) 2px,
      rgba(0,0,0,0.1) 3px
    );
  box-shadow: 
    inset 0 2px 4px rgba(255,255,255,0.3),
    inset 0 -2px 4px rgba(0,0,0,0.3),
    0 4px 8px rgba(0,0,0,0.2);
  position: relative;
}

.header-shelf::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(180deg, var(--dark-wood), transparent);
  border-radius: 0 0 4px 4px;
}

.edit-btn, .tab-btn, .store-btn {
  background: linear-gradient(145deg, var(--amber), var(--gold));
  border: 2px solid var(--dark-wood);
  color: white;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  box-shadow: 
    0 2px 4px rgba(0,0,0,0.2),
    inset 0 1px 2px rgba(255,255,255,0.3);
  transition: all 0.2s ease;
  cursor: pointer;
}

.edit-btn:hover, .tab-btn:hover, .store-btn:hover {
  transform: translateY(-1px);
  box-shadow: 
    0 4px 8px rgba(0,0,0,0.3),
    inset 0 1px 2px rgba(255,255,255,0.3);
}

.edit-btn.active, .tab-btn.active {
  background: linear-gradient(145deg, var(--burgundy), #A0002A);
}

/* Main Bookshelf */
.bookshelf-container {
  padding: 2rem;
  padding-top: 3rem;
}

.wooden-shelf {
  background: linear-gradient(
    180deg,
    var(--wood-brown) 0%,
    var(--dark-wood) 30%,
    var(--wood-brown) 70%,
    var(--dark-wood) 100%
  );
  background-image: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 3px,
      rgba(0,0,0,0.1) 3px,
      rgba(0,0,0,0.1) 4px
    );
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 
    inset 0 3px 6px rgba(255,255,255,0.2),
    inset 0 -3px 6px rgba(0,0,0,0.3),
    0 8px 16px rgba(0,0,0,0.2);
  position: relative;
}

.wooden-shelf::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(180deg, rgba(255,255,255,0.2), transparent);
  border-radius: 8px 8px 0 0;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

/* Book Styling */
.book-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.book-container.hovered {
  transform: translateY(-8px) scale(1.05);
}

.book-container.hovered .book-cover {
  box-shadow: 
    0 12px 24px rgba(0,0,0,0.4),
    0 0 20px rgba(218, 165, 32, 0.3);
}

.book-container.dragging {
  opacity: 0.7;
  transform: rotate(5deg);
}

.book-cover {
  position: relative;
  width: 120px;
  height: 180px;
  border-radius: 4px;
  box-shadow: 
    0 6px 12px rgba(0,0,0,0.3),
    inset 0 1px 2px rgba(255,255,255,0.2);
  transition: all 0.3s ease;
  overflow: hidden;
}

.book-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 30%;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.1) 50%,
    rgba(255,255,255,0.2) 100%
  );
  pointer-events: none;
  z-index: 2;
}

.book-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.bookmark-ribbon {
  position: absolute;
  top: -5px;
  right: 10px;
  background: var(--burgundy);
  color: white;
  padding: 20px 8px 8px 8px;
  font-size: 0.75rem;
  font-weight: bold;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  z-index: 3;
}

.bookmark-ribbon::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--burgundy);
}

.book-delete-btn {
  position: absolute;
  top: -8px;
  left: -8px;
  width: 24px;
  height: 24px;
  background: #FF4444;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
  cursor: pointer;
  z-index: 4;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.book-info {
  text-align: center;
  margin-top: 0.5rem;
  max-width: 120px;
}

.book-title {
  font-family: Georgia, serif;
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--dark-wood);
  margin: 0 0 0.25rem 0;
  line-height: 1.2;
}

.book-author {
  font-size: 0.75rem;
  color: var(--wood-brown);
  margin: 0;
  font-style: italic;
}

/* Bottom Controls */
.bottom-controls {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  gap: 1rem;
  z-index: 100;
}

.search-toggle-btn, .add-book-btn {
  background: linear-gradient(145deg, var(--amber), var(--gold));
  border: 2px solid var(--dark-wood);
  color: white;
  padding: 12px 20px;
  border-radius: 25px;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-toggle-btn:hover, .add-book-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

/* Search Drawer */
.search-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, var(--wood-brown), var(--dark-wood));
  transform: translateY(100%);
  transition: transform 0.3s ease;
  z-index: 200;
  box-shadow: 0 -4px 8px rgba(0,0,0,0.3);
}

.search-drawer.open {
  transform: translateY(0);
}

.search-drawer-content {
  padding: 2rem;
}

.search-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  margin-bottom: 1rem;
}

.search-header h3 {
  margin: 0;
  font-family: Georgia, serif;
}

.close-btn {
  background: var(--burgundy);
  border: none;
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  font-weight: bold;
}

.search-input {
  width: 70%;
  padding: 10px;
  border: 2px solid var(--dark-wood);
  border-radius: 6px;
  margin-right: 1rem;
  font-size: 1rem;
}

.search-btn {
  background: var(--amber);
  border: 2px solid var(--dark-wood);
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
}

.modal-content {
  background: var(--cream);
  padding: 2rem;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border: 3px solid var(--wood-brown);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  margin: 0;
  color: var(--dark-wood);
  font-family: Georgia, serif;
}

.form-input {
  width: 100%;
  padding: 10px;
  margin-bottom: 1rem;
  border: 2px solid var(--wood-brown);
  border-radius: 6px;
  font-size: 1rem;
  box-sizing: border-box;
}

.submit-btn {
  background: var(--amber);
  border: 2px solid var(--dark-wood);
  color: white;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  width: 100%;
  transition: all 0.2s ease;
}

.submit-btn:hover {
  background: var(--gold);
  transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .books-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1.5rem;
  }
  
  .bookshelf-container {
    padding: 1rem;
    padding-top: 2rem;
  }
  
  .bottom-controls {
    bottom: 1rem;
    right: 1rem;
    flex-direction: column;
  }
  
  .search-input {
    width: 60%;
  }
}

@media (max-width: 480px) {
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .book-cover {
    width: 100px;
    height: 150px;
  }
  
  .book-info {
    max-width: 100px;
  }
}