/* Modern Books Library - React-style Animations */

/* Global Animation Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

/* Archive Page Styles */
.books-archive-outer {
  background: linear-gradient(
    135deg,
    var(--edublink-color-lighten01) 0%,
    var(--edublink-color-shade) 50%,
    var(--edublink-color-lighten01) 100%
  );
  min-height: 100vh;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.books-archive-outer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.books-archive-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 50px 32px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.1),
    0 8px 25px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  animation: fadeInUp 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.page-title {
  color: var(--edublink-color-primary);
  font-size: var(--edublink-h1);
  font-family: var(--edublink-font-primary);
  margin-bottom: 50px;
  text-align: center;
  letter-spacing: 2px;
  position: relative;
  animation: slideInRight 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--edublink-color-primary), var(--edublink-color-primary-alt));
  border-radius: 2px;
  animation: scaleIn 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 40px;
  justify-content: center;
  padding: 20px 0;
}

.book-card {
  background: var(--edublink-color-white);
  border-radius: 20px;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.08),
    0 4px 15px rgba(0, 0, 0, 0.04);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.05);
  cursor: pointer;
  animation: fadeInUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) both;
}

.book-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.book-card:hover::before {
  transform: translateX(100%);
}

.book-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.15),
    0 10px 30px rgba(0, 0, 0, 0.08);
  border-color: var(--edublink-color-primary);
}

.book-card-link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: transform 0.3s ease;
}

.book-thumbnail {
  aspect-ratio: 9/16;
  width: 100%;
  height: 320px;
  background: linear-gradient(135deg, var(--edublink-color-lighten01), var(--edublink-color-lighten02));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  margin-bottom: 0;
}

.book-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.book-thumbnail-placeholder {
  font-size: 80px;
  color: var(--edublink-color-primary);
  opacity: 0.6;
  animation: float 3s ease-in-out infinite;
}

.book-card-content {
  padding: 24px 20px 28px;
  text-align: center;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.book-title {
  font-size: var(--edublink-h5);
  color: var(--edublink-color-primary);
  font-family: var(--edublink-font-primary);
  margin-bottom: 16px;
  font-weight: var(--edublink-p-bold);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-badge {
  display: inline-flex;
  align-items: center;
  background: var(--edublink-color-primary-alt);
  color: var(--edublink-color-black);
  font-size: var(--edublink-font-size-b3);
  border-radius: 50px;
  padding: 6px 16px;
  margin: 4px;
  font-weight: var(--edublink-p-medium);
  letter-spacing: 0.5px;
  gap: 6px;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.book-badge-author {
  background: linear-gradient(135deg, var(--edublink-color-extra06), #667eea);
  color: var(--edublink-color-white);
}

.book-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Staggered Animation for Cards */
.fadeInUp-archive {
  animation: fadeInUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) both;
}

/* Single Book Page Styles */
.single-book-outer {
  background: linear-gradient(
    135deg,
    var(--edublink-color-lighten01) 0%,
    var(--edublink-color-shade) 50%,
    var(--edublink-color-lighten01) 100%
  );
  min-height: 100vh;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.single-book-outer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.single-book-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 50px;
  align-items: start;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  box-shadow: 
    0 25px 70px rgba(0, 0, 0, 0.1),
    0 10px 30px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  padding: 50px;
  font-family: var(--edublink-font-primary);
  position: relative;
  animation: fadeInUp 0.8s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  direction: rtl;
}

.book-header {
  position: sticky;
  top: 30px;
  animation: slideInRight 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.book-thumbnail {
  aspect-ratio: 9/16;
  width: 100%;
  background: linear-gradient(135deg, var(--edublink-color-lighten01), var(--edublink-color-lighten02));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 16px;
  margin-bottom: 24px;
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.1),
    0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
}

.book-thumbnail::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.8s;
}

.book-thumbnail:hover::after {
  transform: translateX(100%);
}

.book-thumbnail:hover {
  transform: scale(1.02);
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.15),
    0 8px 25px rgba(0, 0, 0, 0.08);
}

.book-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.book-thumbnail-placeholder {
  font-size: 80px;
  color: var(--edublink-color-primary);
  opacity: 0.6;
  animation: pulse 2s ease-in-out infinite;
}

.single-book-content {
  animation: fadeInUp 1s 0.2s cubic-bezier(0.23, 1, 0.32, 1) both;
}

.book-title {
  font-size: var(--edublink-h3);
  color: var(--edublink-color-primary);
  margin-bottom: 30px;
  font-weight: var(--edublink-p-bold);
  letter-spacing: 1px;
  line-height: 1.2;
  text-align: right;
  position: relative;
}

.book-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: 0;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--edublink-color-primary), var(--edublink-color-primary-alt));
  border-radius: 2px;
  animation: scaleIn 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.book-details-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.08),
    0 5px 15px rgba(0, 0, 0, 0.04);
  padding: 32px 24px;
  margin-bottom: 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: scaleIn 1s 0.4s cubic-bezier(0.23, 1, 0.32, 1) both;
  position: relative;
  overflow: hidden;
}

.book-details-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--edublink-color-primary), var(--edublink-color-primary-alt));
}

.book-meta-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.book-badge {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--edublink-color-primary-alt), rgba(255, 255, 255, 0.8));
  color: var(--edublink-color-black);
  font-size: var(--edublink-font-size-b3);
  border-radius: 50px;
  padding: 8px 18px;
  font-weight: var(--edublink-p-medium);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  gap: 8px;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.book-badge-author {
  background: linear-gradient(135deg, var(--edublink-color-extra06), #667eea);
  color: var(--edublink-color-white);
}

.book-badge:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.animated-btn {
  background: linear-gradient(135deg, var(--edublink-color-primary), #667eea);
  color: var(--edublink-color-white);
  border-radius: 50px;
  padding: 16px 40px;
  font-weight: var(--edublink-p-semi-bold);
  font-size: var(--edublink-font-size-b1);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  outline: none;
  border: none;
  position: relative;
  overflow: hidden;
}

.animated-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.animated-btn:hover::before {
  left: 100%;
}

.animated-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.animated-link {
  color: var(--edublink-color-primary);
  text-decoration: none;
  font-size: var(--edublink-font-size-b2);
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  font-weight: var(--edublink-p-medium);
  position: relative;
  padding: 8px 16px;
  border-radius: 8px;
  display: inline-block;
  margin: 4px;
}

.animated-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--edublink-color-primary);
  transition: all 0.3s;
  transform: translateX(-50%);
}

.animated-link:hover::after {
  width: 80%;
}

.animated-link:hover {
  color: var(--edublink-color-primary-alt);
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
}

.pdf-list {
  margin: 20px 0;
  padding: 0;
  list-style: none;
  text-align: center;
}

.pdf-list li {
  margin-bottom: 12px;
  display: inline-block;
}

.book-description-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  backdrop-filter: blur(10px);
  border-radius: 20px;
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.08),
    0 5px 15px rgba(0, 0, 0, 0.04);
  padding: 36px 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: fadeInUp 1.2s 0.6s cubic-bezier(0.23, 1, 0.32, 1) both;
  position: relative;
  overflow: hidden;
}

.book-description-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--edublink-color-primary-alt), var(--edublink-color-primary));
}

.book-description-card h2 {
  color: var(--edublink-color-primary);
  font-size: var(--edublink-h3);
  margin-bottom: 20px;
  font-weight: var(--edublink-p-bold);
  text-align: right;
  position: relative;
}

.no-pdf-msg {
  color: var(--edublink-color-textSecondary);
  font-size: var(--edublink-font-size-b2);
  text-align: center;
  opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .single-book-container {
    grid-template-columns: 300px 1fr;
    gap: 40px;
    padding: 40px 32px;
  }
}

@media (max-width: 900px) {
  .books-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
  }
  
  .single-book-container {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 24px;
  }
  
  .book-header {
    position: static;
    text-align: center;
  }
  
  .book-thumbnail {
    max-width: 280px;
    margin: 0 auto 24px;
  }
}

@media (max-width: 600px) {
  .books-archive-container {
    padding: 32px 16px;
  }
  
  .books-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .single-book-container {
    padding: 24px 16px;
  }
  
  .book-title {
    font-size: var(--edublink-h3);
  }
  
  .page-title {
    font-size: var(--edublink-h2);
  }
}