body {
    font-family: 'Montserrat', sans-serif;
    background-color: #0b0c2a;
    margin: 0;
    padding: 0;
    color: #222;
  }
  
  .header-section {
    background-color: #0b0c2a;
    color: #f0f0f0;
    padding: 40px 20px;
    text-align: center;
  }
  
  h1{
    margin-bottom: 40px;
    color: #ffcb58;
    text-align: center;
  }
  
  .header-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    color: #ffcb58;
  }
  
  /* Main container */
  .book-sections {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
  }
  
  /* Each category */
  .book-category {
    background-color: #1f1359;
    border-left: 8px solid #56a9ff;
    margin-bottom: 30px;
    padding: 25px 20px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  }
  
  /* Section titles */
  .book-category h2 {
    margin-top: 0;
    font-size: 1.8rem;
    padding-bottom: 8px;
    margin-bottom: 20px;
  }
  
  /* Book list */
  .book-list {
    list-style-type: "📗 ";
    padding-left: 20px;
    color:#e0e0e0;
  }
  
  .book-list li {
    font-size: 1rem;
    margin-bottom: 10px;
  }
  
  /* Footer */
  footer {
    text-align: center;
    padding: 1rem 1rem;
    background-color: #1f1359;
    border-top: 2px solid #233554;
    color:#f0f0f0;
  }

  .back-button-right {
    display: flex;
    justify-content: flex-end;
    max-width: 900px;
    margin: 0 auto 1rem auto;
    padding-right: 1.5rem; /* matches padding of file-actions */
  }
  
  .back-button-right a {
    padding: 0.5rem 1.2rem;
    background-color: #1e3a8a;
    color: #f0f0f0;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s;
  }
  .glowing-spots {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
  }

  .glowing-spots span {
    position: absolute;
    display: block;
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, #806aed, transparent 70%);
    border-radius: 50%;
    animation: moveGlow 20s linear infinite;
    opacity: 0.5;
    filter: blur(8px);
  }

  @keyframes moveGlow {
    0% {
      transform: translateY(100vh) translateX(0) scale(0.5);
      opacity: 0.2;
    }

    50% {
      opacity: 0.8;
    }

    100% {
      transform: translateY(-100vh) translateX(50vw) scale(1);
      opacity: 0;
    }
  }
  .cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  margin-left: -20px; /* half width */
  margin-top: -20px;  /* half height */
  border-radius: 50%;
  pointer-events: none;
  background: rgba(134, 110, 237, 0.6);
  box-shadow: 0 0 8px 4px rgba(134, 110, 237, 0.7);
  transition: transform 0.1s ease-out;
  mix-blend-mode: screen;
  z-index: 9999;
  transform: translate3d(0, 0, 0);
}