body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f7f7f4;
  color: #2f3e34;
}

#app {
  text-align: center;
  background: #f7f7f4;
}

/*  Version 1 */
font-family: "Book Antiqua", Georgia, serif;
font-family: "Calisto MT", Georgia, serif;

/* Version 2 */
 

@font-face {
  font-family: "Book Antiqua Custom";
  src: url("../assets/fonts/BookAntiqua-Bold.woff2") format("woff2");
  font-weight: 700;
}

@font-face {
  font-family: "Calisto MT Custom";
  src: url("../assets/fonts/CalistoMT-Regular.woff2") format("woff2");
  font-weight: 400;
}

/* ---------------------------------------------------------------------------
   Top chrome: breadcrumb + compass nav (mounted outside #viz)
   --------------------------------------------------------------------------- */
html {
  scrollbar-gutter: stable;
}

#show-top-chrome {
  position: fixed;
  top: 8px;
  left: 12px;
  right: 14px;
  z-index: 1000;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 10px;
}

/* Opening slide: same right-aligned breadcrumb rail; slightly stronger compass. */
#show-top-chrome.show-top-chrome--intro .nav-btn:not(.is-disabled):not(:disabled) {
  opacity: 0.9;
  color: #202623;
}

#show-breadcrumb.show-breadcrumb--preview .show-breadcrumb__pill--upcoming {
  color: #9a9a94;
  background: transparent;
  border-color: #ebeae6;
}

#nav {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1200;
  font-family: "Calisto MT", Georgia, serif;

  /* Cardinal/compass layout:  up on top, left/right on the middle row,
     down on the bottom. Empty center cell keeps the cross shape. */
  display: grid;
  grid-template-columns: auto auto auto;
  grid-template-rows: auto auto auto;
  grid-template-areas:
    ".    up    ."
    "left .     right"
    ".    down  .";
  gap: 4px;
  justify-items: center;
  align-items: center;
  padding: 0;
  background: transparent;
  border: none;
}

#nav .nav-btn--up    { grid-area: up; }
#nav .nav-btn--left  { grid-area: left; }
#nav .nav-btn--right { grid-area: right; }
#nav .nav-btn--down  { grid-area: down; }

#nav .nav-btn {
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255,255,255,0.88);
  border: 1px solid #d7d2c6;
  border-radius: 10px;
  padding: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  color: #8c7a4f;
  font-family: inherit;
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  padding: 8px 10px;
  opacity: 0.92;
  cursor: pointer;
  transition: opacity 0.12s ease, color 0.12s ease;
}

#nav .nav-btn:hover:not(.is-disabled) {
  opacity: 0.92;
  color: #1a211e;
}

#nav .nav-btn:focus-visible {
  outline: 1px solid #b8b8b3;
  outline-offset: 2px;
}

/* Disabled: faint but visible — no chrome, no hover. */
#nav .nav-btn.is-disabled,
#nav .nav-btn[aria-disabled="true"],
#nav .nav-btn:disabled {
  opacity: 0.28;
  color: #b8b8b3;
  background: transparent;
  cursor: default;
  pointer-events: none;
}

/* ---------------------------------------------------------------------------
   Tour breadcrumb (outside #viz; UNOS-inspired stop sequence)
   --------------------------------------------------------------------------- */
#show-breadcrumb {
  position: static;
  flex: 1 1 auto;
  min-width: 0;
  max-width: none;
  font-family: "Calisto MT", Georgia, serif;
  pointer-events: none;
  text-align: right;
}

#show-breadcrumb[hidden] {
  display: none;
}

.show-breadcrumb__track {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-content: flex-start;
  gap: 4px 6px;
  min-height: 26px;
}

.show-breadcrumb__pill {
  font-size: 13px;
  line-height: 1.3;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  font-weight: 400;
  background: transparent;
  border: 1px solid transparent;
  color: #9a9a94;
}

.show-breadcrumb__pill--on-tour {
  color: #9a9a94;
  background: transparent;
  border-color: transparent;
}

.show-breadcrumb__pill--current {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  color: #1a211e;
  background: #ffffff;
  border-color: #c8c7c0;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(32, 38, 35, 0.06);
}

.show-breadcrumb__pill--past {
  color: #b0b0a8;
  background: transparent;
  border-color: transparent;
}

.show-breadcrumb__pill--upcoming {
  color: #c4c4be;
  background: transparent;
  border-color: transparent;
}