body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #121212;
  background-image: 
  url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40' fill='none'><rect width='40' height='40' fill='%23181818'/><path d='M0 0L40 40ZM40 0L0 40Z' stroke='%23222222' stroke-width='1'/></svg>");
  background-repeat: repeat;
  background-size: 40px 40px;

  background-position: 0 0, 1px 1px;

  color: #f5f5f5;
  text-align: center;
}

h1 {
  margin-top: 30px;
  font-weight: 300;
  font-size: 2rem;
  animation: fadeIn 0.8s ease;
}

.album-container {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 40px;
}

.album-container img {
  width: 280px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
}

.album-container img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.booklet {
  margin-top: 40px;
  animation: fadeIn 0.5s ease;
}

.booklet img {
  width: 70%;
  max-width: 600px;
  border-radius: 10px;
  border: 1px solid #333;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.08);
  transition: transform 0.4s ease;
}

.booklet img:hover {
  transform: scale(1.01);
}

.buttons {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

button {
  background-color: #1f1f1f;
  color: #fff;
  border: 1px solid #444;
  border-radius: 6px;
  padding: 10px 20px;
  margin: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

button:hover {
  background-color: #333;
  transform: scale(1.05);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive layout */
@media (max-width: 768px) {
  .album-container img {
    width: 80%;
  }

  .booklet img {
    width: 90%;
  }

  button {
    width: 90%;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .album-container {
    flex-direction: column;
    align-items: center;
  }

  .album-container img {
    width: 80%;
  }

  .booklet img {
    width: 95%;
  }

  .buttons {
    flex-direction: column;
  }

  button {
    width: 95%;
  }
}

#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #121212;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.spinner {
  border: 6px solid #333;
  border-top: 6px solid #fff;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.album-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}