html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #0f172a;
  font-family: Inter, system-ui, sans-serif;
}
.header_view {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: 4rem;
  padding: 0 1rem;
  background: linear-gradient(135deg, #0a192f, #0f3460);
  box-shadow: 0 4px 20px rgba(0, 0, 0, .35);
  display: flex;
  align-items: center;
}
.header_view__inner {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
.header_view .return,
.header_view .download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  border-radius: .5rem;
  color: #fff;
  text-decoration: none;
  transition: background .2s, transform .2s;
}
.header_view .return {
  width: 2.5rem;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
}
.header_view .return:hover {
  background: rgba(255, 255, 255, .25);
  transform: translateX(-2px);
}
.header_view .title-wrap {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.header_view .eyebrow {
  color: #38bdf8;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.header_view .title {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: none;
}
.header_view .download {
  gap: .5rem;
  padding: 0 1rem;
  background: #2563eb;
  font-weight: 600;
  font-size: .88rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .4);
}
.header_view .download:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}
#pdfCanvasContainer {
  position: fixed;
  inset: 4rem 0 0;
  width: 100%;
  height: calc(100% - 4rem);
  margin: 0;
  padding: 0;
}
#pdfCanvasContainer iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.galley_view_notice {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  padding: .5rem 1rem;
  background: #f59e0b;
  color: #111827;
  text-align: center;
  font-weight: 600;
}
.galley_view_with_notice iframe {
  height: calc(100% - 2.5rem);
  margin-top: 2.5rem;
}
@media (max-width: 640px) {
  .header_view {
    height: 3.5rem;
    padding: 0 .5rem;
  }
  .header_view__inner {
    grid-template-columns: 2.25rem minmax(0, 1fr) 2.25rem;
    gap: .5rem;
  }
  .header_view .return,
  .header_view .download {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
  }
  .header_view .download span {
    display: none;
  }
  .header_view .title {
    font-size: .85rem;
  }
  #pdfCanvasContainer {
    inset: 3.5rem 0 0;
    height: calc(100% - 3.5rem);
  }
}