.walkers-books {
  scroll-margin-top: 90px;
}
.travel-book {
  margin-top: 2rem;
  scroll-margin-top: 90px;
}
.pdf-book-title {
  grid-column: 2;
  margin: 0;
  text-align: center;
  text-wrap: balance;
  font-size: 18px;
  font-style: italic;
  font-weight: inherit;
  line-height: inherit;
  color: var(--global-text-color);
}
.pdf-reader {
  position: relative;
  background: var(--global-bg-color);
}
.pdf-stage {
  padding: 8px 0;
  overflow: visible;
  touch-action: none;
  user-select: none;
  min-height: 200px;
  cursor:
    url("../cursors/page-next.svg") 18 18,
    pointer;
}
.pdf-stage .stf__parent {
  touch-action: none;
}

.pdf-leaf.--left {
  cursor:
    url("../cursors/page-previous.svg") 18 18,
    pointer;
}
.pdf-leaf.--right {
  cursor:
    url("../cursors/page-next.svg") 18 18,
    pointer;
}
.pdf-stage:focus,
.pdf-stage:focus-visible {
  outline: none;
}
.pdf-pages {
  margin: 0 auto;
  --paper-depth: clamp(6px, 1vw, 12px);
}
/* The outer edges show the balance of turned and remaining paper. */
.pdf-stage:not(.is-single) .pdf-pages::before,
.pdf-stage:not(.is-single) .pdf-pages::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  background: repeating-linear-gradient(to right, #faf8f4 0 1px, #c9c6bf 1px 2px);
  transition: width 0.45s ease;
}
.pdf-stage:not(.is-single) .pdf-pages::before {
  left: 0;
  width: calc(var(--paper-depth) * var(--paper-left, 0));
  transform: translateX(-100%);
  clip-path: polygon(100% 0, 100% 100%, 0 calc(100% - 3px), 0 0);
}
.pdf-stage:not(.is-single) .pdf-pages::after {
  right: 0;
  width: calc(var(--paper-depth) * var(--paper-right, 0));
  transform: translateX(100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3px), 0 100%);
}
.pdf-leaf {
  overflow: hidden;
  background: var(--global-bg-color);
}
/* Uneven, gently curved thread segments follow each folding leaf. */
.pdf-stage:not(.is-single) .pdf-leaf::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  pointer-events: none;
  background-size: 3px 237px;
  background-repeat: repeat-y;
}
.pdf-stage:not(.is-single) .pdf-leaf.--left::after {
  right: 0;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%203%20237%22%20fill%3D%22none%22%20stroke%3D%22%23d0d0d0%22%20stroke-linecap%3D%22round%22%3E%3Cpath%20d%3D%22M3%204Q2.5%209%203.1%2014%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3.1%2024Q3.6%2031%202.9%2038%22%20stroke-width%3D%221.1%22%2F%3E%3Cpath%20d%3D%22M2.9%2048Q2.6%2052%203%2057%22%20stroke-width%3D%220.9%22%2F%3E%3Cpath%20d%3D%22M3%2067Q3.4%2073%203.1%2080%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3.1%2090Q2.5%2098%202.9%20106%22%20stroke-width%3D%221.1%22%2F%3E%3Cpath%20d%3D%22M2.9%20115Q3.2%20120%203%20126%22%20stroke-width%3D%220.9%22%2F%3E%3Cpath%20d%3D%22M3%20137Q3.5%20143%203.1%20150%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3.1%20160Q2.7%20164%202.9%20169%22%20stroke-width%3D%221.1%22%2F%3E%3Cpath%20d%3D%22M2.9%20180Q2.6%20187%203%20194%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3%20205Q3.4%20211%203.1%20218%22%20stroke-width%3D%220.9%22%2F%3E%3Cpath%20d%3D%22M3.1%20228Q3%20231%203%20234%22%20stroke-width%3D%221%22%2F%3E%3Cg%20stroke-width%3D%220.3%22%20stroke-opacity%3D%220.55%22%3E%3Cpath%20d%3D%22M2.9%208l-0.9%20-1.1M3.1%2012l0.7%20-0.6M3.2%2029l0.8%20-1.2M3%2035l-0.8%200.6M2.8%2052l-0.8%20-0.8M3.2%2072l0.9%200.7M2.9%2096l-0.9%20-0.8M2.8%20102l0.8%200.7M3%20121l0.8%20-0.9M3.2%20142l1%20-0.6M3%20147l-0.8%200.9M3%20164l-0.9%20-0.7M2.8%20185l-0.8%201M2.9%20191l0.8%20-0.7M3.2%20210l0.9%200.8M3.1%20231l-0.8%20-0.6%22%2F%3E%3C%2Fg%3E%3Cg%20stroke-width%3D%220.25%22%20stroke-opacity%3D%220.45%22%3E%3Cpath%20d%3D%22M2.8%2026Q2.9%2031%202.6%2035M3.4%2092Q3.1%2097%203.3%20103M2.7%20139Q3%20143%202.8%20148M3.3%20182Q3%20186%203.4%20191M2.8%20207Q3%20212%202.8%20216%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");
}
.pdf-stage:not(.is-single) .pdf-leaf.--right::after {
  left: 0;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%223%200%203%20237%22%20fill%3D%22none%22%20stroke%3D%22%23d0d0d0%22%20stroke-linecap%3D%22round%22%3E%3Cpath%20d%3D%22M3%204Q2.5%209%203.1%2014%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3.1%2024Q3.6%2031%202.9%2038%22%20stroke-width%3D%221.1%22%2F%3E%3Cpath%20d%3D%22M2.9%2048Q2.6%2052%203%2057%22%20stroke-width%3D%220.9%22%2F%3E%3Cpath%20d%3D%22M3%2067Q3.4%2073%203.1%2080%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3.1%2090Q2.5%2098%202.9%20106%22%20stroke-width%3D%221.1%22%2F%3E%3Cpath%20d%3D%22M2.9%20115Q3.2%20120%203%20126%22%20stroke-width%3D%220.9%22%2F%3E%3Cpath%20d%3D%22M3%20137Q3.5%20143%203.1%20150%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3.1%20160Q2.7%20164%202.9%20169%22%20stroke-width%3D%221.1%22%2F%3E%3Cpath%20d%3D%22M2.9%20180Q2.6%20187%203%20194%22%20stroke-width%3D%221%22%2F%3E%3Cpath%20d%3D%22M3%20205Q3.4%20211%203.1%20218%22%20stroke-width%3D%220.9%22%2F%3E%3Cpath%20d%3D%22M3.1%20228Q3%20231%203%20234%22%20stroke-width%3D%221%22%2F%3E%3Cg%20stroke-width%3D%220.3%22%20stroke-opacity%3D%220.55%22%3E%3Cpath%20d%3D%22M2.9%208l-0.9%20-1.1M3.1%2012l0.7%20-0.6M3.2%2029l0.8%20-1.2M3%2035l-0.8%200.6M2.8%2052l-0.8%20-0.8M3.2%2072l0.9%200.7M2.9%2096l-0.9%20-0.8M2.8%20102l0.8%200.7M3%20121l0.8%20-0.9M3.2%20142l1%20-0.6M3%20147l-0.8%200.9M3%20164l-0.9%20-0.7M2.8%20185l-0.8%201M2.9%20191l0.8%20-0.7M3.2%20210l0.9%200.8M3.1%20231l-0.8%20-0.6%22%2F%3E%3C%2Fg%3E%3Cg%20stroke-width%3D%220.25%22%20stroke-opacity%3D%220.45%22%3E%3Cpath%20d%3D%22M2.8%2026Q2.9%2031%202.6%2035M3.4%2092Q3.1%2097%203.3%20103M2.7%20139Q3%20143%202.8%20148M3.3%20182Q3%20186%203.4%20191M2.8%20207Q3%20212%202.8%20216%22%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");
}
.pdf-leaf img {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: fill;
}
.pdf-stage .stf__block {
  transform: translateX(0);
  transition:
    transform 350ms cubic-bezier(0.22, 0.61, 0.36, 1),
    opacity 200ms ease;
}
.pdf-stage.is-cover .stf__block {
  transform: translateX(-25%);
}
.pdf-footer {
  display: grid;
  grid-template-columns: minmax(65px, 1fr) minmax(0, auto) minmax(65px, 1fr);
  align-items: center;
  gap: 10px;
  padding: 14px 0 2px;
  color: var(--global-text-color-light);
}
.pdf-page-form {
  grid-column: 3;
  justify-self: end;
  white-space: nowrap;
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  margin: 0;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.07em;
}
.pdf-page-label {
  margin: 0;
}
.pdf-page-form input {
  width: 2.6em;
  padding: 3px 0;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--global-text-color);
  text-align: right;
  font: inherit;
  appearance: textfield;
  -moz-appearance: textfield;
}
.pdf-page-form input::-webkit-inner-spin-button,
.pdf-page-form input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.pdf-page-form input:focus {
  border-bottom-color: var(--global-theme-color);
}
.pdf-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.pdf-status.is-visible {
  position: static;
  width: auto;
  height: auto;
  margin: 1rem 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  font-size: 0.9rem;
  color: var(--global-text-color-light);
}
@media (max-width: 600px) {
  .pdf-footer {
    padding-top: 10px;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pdf-stage .stf__block,
  .pdf-pages::before,
  .pdf-pages::after {
    transition: none;
  }
}

.pdf-stage.is-restoring .pdf-pages {
  visibility: hidden;
}
.pdf-stage.is-closing .stf__block {
  transform: translateX(25%) scaleX(0.05);
  opacity: 0;
}