* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Rubik', sans-serif;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: 'Rubik', 'Poppins', sans-serif;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

.search-bar-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  margin-top: -6px;
}

#searchInput {
  width: 80%;
  max-width: 100%;
  padding: 10px 38px 10px 38px;
  border-radius: 22px;
  border: 1.5px solid #6dd5ed;
  font-size: 1rem;
  outline: none;
  transition: border 0.2s;
  background: rgba(255,255,255,0.18);
  color: #222;
}

.search-bar-container .fa-search {
  margin-left: -32px;
  color: #6dd5ed;
  font-size: 1.2em;
  cursor: pointer;
  transition: color 0.2s;
}

.search-bar-container .fa-search:hover {
  color: #2193b0;
}

.library-section {
  text-align: center;
  animation: fadeSlide 1.5s ease-in-out;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 16px 32px 16px;
}

.library-title {
  color: #fff;
  font-size: 2.7rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: 1px;
  animation: fadeInDown 0.8s;
}

.library-subtitle {
  color: #e0e0e0;
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 40px;
  animation: fadeInDown 0.8s 0.2s backwards;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  animation: fadeInUp 1s;
}

.book-card {
  background: rgba(255,255,255,0.13);
  border-radius: 18px;
  box-shadow: 0 8px 32px 0 rgba(30,60,114,0.13);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 20px 16px;
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  animation: fadeInUp 0.8s;
}

.book-card:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: 0 16px 40px 0 rgba(30,60,114,0.18);
  background: rgba(255,255,255,0.18);
}

.book-card img {
  width: 120px;
  height: 170px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 18px;
  box-shadow: 0 4px 18px 0 rgba(30,60,114,0.10);
  animation: fadeIn 1s;
}

.book-card h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
  margin: 10px 0 8px 0;
  text-align: center;
  letter-spacing: 0.5px;
  transition: color 0.2s;
  cursor: pointer;
}

.book-card h3:hover {
  color: #6dd5ed;
  text-decoration: underline;
}

.book-card p {
  color: #e0e0e0;
  font-size: 1rem;
  text-align: center;
  margin-bottom: 18px;
}

.book-btn {
  background: linear-gradient(90deg, #2193b0 0%, #6dd5ed 100%);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 22px;
  padding: 10px 32px;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 2px 10px 0 rgba(30,60,114,0.10);
  margin-top: auto;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: inline-block;
}

.book-btn:hover {
  background: linear-gradient(90deg, #6dd5ed 0%, #2193b0 100%);
  transform: scale(1.07);
}

/* Buy Modal Styles */
.buy-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(30,60,114,0.55);
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.5s;
}

.buy-modal-content {
  background: rgba(255,255,255,0.95);
  border-radius: 18px;
  box-shadow: 0 8px 40px 0 rgba(30,60,114,0.22);
  padding: 36px 24px 32px 24px;
  min-width: 320px;
  max-width: 90vw;
  text-align: center;
  position: relative;
  transform: translateY(60px) scale(0.95);
  opacity: 0;
  transition: all 0.35s cubic-bezier(.68,-0.55,.27,1.55);
}

.buy-modal-content.show {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.buy-close {
  position: absolute;
  right: 18px;
  top: 12px;
  font-size: 2rem;
  color: #1e3c72;
  cursor: pointer;
  transition: color 0.2s;
}

.buy-close:hover { color: #6dd5ed; }

.buy-title {
  color: #1e3c72;
  font-size: 2rem;
  margin-bottom: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  animation: fadeInDown 0.7s;
}

.buy-info {
  margin-bottom: 18px;
  animation: fadeInUp 0.7s 0.2s backwards;
}

.buy-number {
  font-size: 1.15rem;
  color: #222;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.buy-whatsapp {
  font-size: 1.1rem;
  color: #1e3c72;
}

.buy-whatsapp a {
  color: #25d366;
  font-weight: bold;
  text-decoration: none;
  transition: color 0.2s;
}

.buy-whatsapp a:hover { color: #128c7e; }

.buy-anim {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  margin-bottom: 8px;
  background: none;
  width: auto;
  height: auto;
  border-radius: 0;
  box-shadow: none;
  animation: none;
  position: static;
  overflow: visible;
}

.money-emoji {
  font-size: 2.2em;
  animation: money-fall 1.2s infinite alternate;
  display: inline-block;
}

.money-emoji:nth-child(2) { animation-delay: 0.2s; }
.money-emoji:nth-child(3) { animation-delay: 0.4s; }
.money-emoji:nth-child(4) { animation-delay: 0.6s; }

@keyframes money-fall {
  0%   { transform: translateY(0) scale(1); opacity: 1; }
  80%  { transform: translateY(12px) scale(1.1); opacity: 0.85; }
  100% { transform: translateY(18px) scale(1.15); opacity: 0.7; }
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px);}
  to { opacity: 1; transform: none;}
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-40px);}
  to { opacity: 1; transform: none;}
}

@keyframes fadeIn {
  from { opacity: 0;}
  to { opacity: 1;}
}

.loading {
  text-align: center;
  padding: 40px;
  color: #fff;
  font-size: 1.2em;
}

.no-content {
  text-align: center;
  padding: 40px;
  color: #fff;
  font-size: 1.1em;
}