/* Fixed book-shaped CTA. Overlap with content is intentional and approved. */
.uic-ebook-book {
  --book-width: 78px;
  --book-height: 104px;
  box-sizing: border-box;
  width: var(--book-width);
  height: var(--book-height);
  display: block;
  padding: 0;
  margin: 0;
  color: #fff;
  text-decoration: none;
  font-family: UICPretendard, Pretendard, system-ui, sans-serif;
  text-align: center;
  transform: rotate(-1.5deg);
  filter: drop-shadow(0 4px 6px #102b5026);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.uic-ebook-book.is-floating {
  position: fixed;
  right: calc(28px + env(safe-area-inset-right));
  bottom: calc(28px + env(safe-area-inset-bottom));
  z-index: 100;
}
/* Visible paper thickness at the right and bottom, not a line on the cover. */
.uic-ebook-book::before {
  content: '';
  position: absolute;
  inset: 2px -3px -3px 3px;
  border: 1px solid #a9b7c5;
  border-radius: 2px 4px 4px 2px;
  background: repeating-linear-gradient(0deg, #f9f8f3 0, #f9f8f3 2px, #d7dcd9 2px, #d7dcd9 3px);
  box-shadow: 1px 1px 0 #0c2039;
}
.uic-book-cover {
  position: relative;
  z-index: 1;
  display: flex;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid #102b50;
  border-radius: 2px 4px 4px 2px;
  background: #102b50;
  color: #fff;
}
.uic-book-uic {font-size: 24px; line-height: 1.15; font-weight: 850; letter-spacing: -.4px; margin-bottom: 7px;}
.uic-book-line {font-size: 17px; line-height: 1.3; font-weight: 750; letter-spacing: -.35px;}
.uic-ebook-book:hover .uic-book-cover {background: #173a63;}
.uic-ebook-book:focus-visible {outline: 3px solid #4289bd; outline-offset: 8px; border-radius: 2px;}
@media (max-width: 767px) {
  .uic-ebook-book {--book-width: 66px; --book-height: 88px;}
  .uic-ebook-book.is-floating {right: calc(22px + env(safe-area-inset-right)); bottom: calc(22px + env(safe-area-inset-bottom));}
  .uic-book-uic {font-size: 21px; margin-bottom: 5px;}
  .uic-book-line {font-size: 15px;}
}
/* Native modal dialogs use the browser top layer; no scroll/CTA-based hiding. */
@media print {.uic-ebook-book {display: none;}}