* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #05060a;
  cursor: default;
}

#c {
  display: block;
  width: 100%;
  height: 100%;
}

#series-label {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 3;
  transform: translate(-50%, -30%);
  color: #f4f1ea;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 26px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: auto;
  cursor: pointer;
  text-decoration: none;
  text-shadow: 0 2px 18px #000, 0 0 24px rgba(0, 0, 0, 0.8);
  white-space: nowrap;
}

#dock-tags {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.dock-tag {
  position: absolute;
  transform: translate(-50%, -50%);
  color: #f4f1ea;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 26px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 1px 10px #000, 0 0 14px rgba(0, 0, 0, 0.9);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
}

#hud {
  position: fixed;
  left: 32px;
  bottom: 28px;
  z-index: 2;
  max-width: 52vw;
  color: #f4f1ea;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  pointer-events: none;
  text-shadow: 0 2px 16px #000;
}

#article-label {
  font-size: 22px;
  line-height: 1.25;
}

body.poster #series-label,
body.poster #hud,
body.poster #dock-tags {
  display: none;
}

html[data-mode="mobile"],
html[data-mode="mobile"] body {
  overflow: hidden;
}

#mobile {
  display: none;
}

html[data-mode="mobile"] #c,
html[data-mode="mobile"] #series-label,
html[data-mode="mobile"] #hud,
html[data-mode="mobile"] #dock-tags {
  display: none;
}

html[data-mode="mobile"] #mobile {
  display: block;
  position: fixed;
  inset: 0;
  background-color: #05060a;
  background-image: url("./textures/space-poster.jpg");
  background-size: cover;
  background-position: center;
}

#mobile-rail {
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-type: y proximity;
  -webkit-overflow-scrolling: touch;
  padding: 50dvh 0;
  box-sizing: border-box;
}

.mobile-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.mobile-block + .mobile-block {
  margin-top: 28px;
}

.mobile-chapter {
  scroll-snap-align: center;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  max-width: calc(100% - 24px);
}

.mobile-chapter-disk {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.55);
  flex-shrink: 0;
}

.mobile-chapter-tag {
  color: #f4f1ea;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 22px;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-shadow: 0 1px 10px #000;
}

.mobile-badges {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.mobile-badge {
  scroll-snap-align: center;
  display: block;
  width: calc(100% - 24px);
  max-width: 520px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

.mobile-badge img {
  display: block;
  width: 100%;
  height: auto;
}