@charset "utf-8";
/* CSS Document */

.reader-page {
  padding: 30px 0 40px 0;
}

.reader-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.reader-topbar h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: normal;
  color: #1f2a36;
}

.reader-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.reader-controls button,
.reader-controls a {
  font-family: Arial, sans-serif;
  font-size: 0.95rem;
  padding: 10px 14px;
  border: 1px solid #cfd8e2;
  background: #f8fafc;
  color: #1f2a36;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

.reader-controls button:hover,
.reader-controls a:hover {
  background: #eef3f7;
  border-color: #9fb7cc;
}

#viewer {
  width: 100%;
  height: 78vh;
  border: 1px solid #dcdcdc;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.05);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 20px;
  box-sizing: border-box;
}

#toc {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid #dcdcdc;
  background: #f8fafc;
}

#toc.hidden {
  display: none;
}

#toc a {
  display: block;
  margin: 0 0 10px 0;
  color: #1f2a36;
  text-decoration: none;
}

#toc a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  #viewer {
    height: 70vh;
  }

  .reader-topbar h1 {
    font-size: 1.25rem;
  }

  .reader-controls {
    width: 100%;
    justify-content: flex-start;
  }
}