.ebooks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 equal columns */
  gap: 20px; /* space between cards */
  margin-top: 20px;
}

.ebook-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.ebook-card a {
    text-decoration: none !important;
}

.ebook-card:hover {
  transform: translateY(-5px);
}

.ebook-cover img,
.ebook-cover-placeholder {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.ebook-card-content {
  padding: 15px;
}

.ebook-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.ebook-author,
.ebook-meta {
  font-size: 14px;
  color: #555;
}
/*single */
/* === Header Section === */
.ebook-header {
  text-align: center;
  padding: 30px 20px;
  border-bottom: 1px solid #eee;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ebook-header-content {
    display: flex;
    align-items: center;
    gap: 26px;
}

.ebook-cover-small {
  max-width: 90px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.ebook-name {
  font-size: 20px;
  margin: 15px 0 10px;
  font-weight: 600;
}

.ebook-meta-info {
  font-size: 16px;
  color: #666;
  margin-top: 5px;
}

/* === Two Column Layout === */
.ebook-reader-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* === Sidebar === */
.chapters-sidebar {
  background: #f9f9f9;
  border-radius: 10px;
  padding: 10px;
  border: 1px solid #eee;
}

.chapters-sidebar h3 {
  font-size: 18px;
  margin-bottom: 15px;
  font-weight: 600;
}

.chapter-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.chapter-item {
  margin-bottom: 10px;
}

.chapter-link {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: #333;
  transition: background 0.2s;
}

.chapter-item.active .chapter-link,
.chapter-link:hover {
  background: #96191a;
  color: #fff;
}

/* === Main Content === */
.main-contents {
  background: #fff;
  border-radius: 10px;
  padding: 25px;
  border: 1px solid #eee;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.chapter-header {
    display: flex
;
    justify-content: space-between;
    margin-bottom: 20px;
}

.chapter-item .chapter-title {
  font-size: 15px;
  margin-bottom: 10px;
}
h2.chapter-title{
  font-size: 20px;
}
.chapter-navigation.nav-flex {
    display: flex;
    justify-content: space-between;
    margin-bottom: 27px;
    background: #eee;
    padding: 20px;
}

.tts-buttons button {
    background: #eee;
}
.tts-buttons button:hover i {
  color: #fff;
}
/* === Responsive === */
@media (max-width: 900px) {
  .ebooks-grid{
    display: block;
  }
  .ebook-reader-layout {
    grid-template-columns: 1fr;
  }

  .chapters-sidebar {
    order: 1;
  }

  .main-contents {
    order: 2;
  }

  .back-to-books-link {
    font-size: 12px;
    padding: 5px;
  }
  .ebook-header-content{
    gap: 10px;
  }

}


/* Back to Book List */
.back-to-books {
  margin: 20px 0;
}

.back-to-books-link {
  display: inline-block;
  padding: 10px 18px;
  background: #96191a;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: background 0.3s ease;
}

.back-to-books-link:hover {
  background: #fff;
  border: 1px solid #96191a;
}

/* Modal Styles */
.modal {
  display: none; /* hidden by default */
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: #fff;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  padding: 20px;
  position: relative;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.modal-header h3 {
  margin: 0;
  font-size: 20px;
}

.modal .close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.foot-note{
    font-size: 12px;
    background: #f5f5f5;
    padding: 20px;
    margin-top: 20px;
}
.chapter-toggle {
    margin-bottom: 20px;
    text-align: right;
}

.show-tm{
  display: none !important;
}
@media (max-width:960px) {

  .ebook-header {
    display: block;
  }
  .ebook-header .back-to-books {
    text-align: left;
  }
  .chapters-sidebar{
      width: 340px;
      background-color: #fff;
      position: fixed;
      top: 0;
      right: -100%;
      bottom: 0;
      overflow-y: auto;
      z-index: 999999;
      padding: 32px;
      transition: 300ms ease-in;
  }
  .chapters-sidebar.open{
    right: 0;
  }
  a.close-csidebar {
      float: right;
  }
  .show-tm{
    display: block !important;
  }
}