/* Packing scene (third diorama): the same frame as the kit section, a tall runway with a sticky
   stage. --stage-bg and --stage-fg are moved by js/sky.js from day to night for the salute. */
.pack {
  position: relative;
}

.pack__stage {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  background: var(--stage-bg, var(--bg));
  color: var(--stage-fg, var(--fg));
}

.js .pack:not(.is-static) {
  height: calc((var(--pack-runway, 400) + 100) * 1vh);
  height: calc((var(--pack-runway, 400) + 100) * 1svh);
}

.js .pack:not(.is-static) .pack__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
}

.pack__scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.pack__canvas {
  position: absolute;
  left: 0;
  top: 0;
}

.pack__copy {
  position: relative;
  z-index: 1;
  max-width: 44rem;
  padding: 32px var(--gutter) 0;
}

.pack__sub {
  margin-top: 10px;
  color: var(--stage-fg-dim, var(--fg-dim));
}

.pack .mono {
  color: var(--stage-fg-dim, var(--fg-dim));
}

.pack__inventory {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  padding: 36px var(--gutter) 0 0;
  text-align: right;
}

.pack__list {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.pack__list li.is-in::after {
  content: " (в коробке)";
}

.pack__tag,
.pack__status {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  margin: 0;
  text-align: center;
  pointer-events: none;
}

/* The caption under the room: the item's big icon, its number and name. Pops in two steps. */
.pack__tag {
  top: calc(var(--room-bottom, 70vh) + 8px);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 500;
  visibility: hidden;
  transform: translateY(6px);
}

.pack__tag.is-on {
  visibility: visible;
  transform: none;
  transition: transform 0.12s steps(2, end);
}

.pack__tag-num {
  color: var(--stage-fg-dim, var(--fg-dim));
  font-weight: 400;
}

.pack__status {
  top: calc(var(--room-bottom, 70vh) + 56px);
}

.pack__replay {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: calc(var(--room-bottom, 70vh) + 8px);
  transform: translateX(-50%);
}

.pack__stage.is-night {
  --btn-bg: #f3efe7;
  --btn-fg: #141310;
  --btn-hover: #ffffff;
  --focus: #f7c531;
}

.pack__stage.is-finale .pack__tag,
.pack__stage.is-finale .pack__status,
.pack__tag.is-on ~ .pack__status {
  visibility: hidden;
}

/* Phones: the counter goes under the subtitle instead of the top right corner; the caption is
   smaller and its icon never shrinks against the screen edge. */
@media (max-width: 699px) {
  .pack__tag {
    font-size: 14px;
    gap: 8px;
  }

  .pack__tag-icon {
    flex: none;
  }

  .pack__inventory {
    position: relative;
    padding: 10px var(--gutter) 0;
    text-align: left;
  }
}

@media (min-width: 700px) {
  .pack__copy {
    padding-top: 52px;
  }

  .pack__inventory {
    padding-top: 56px;
  }

  .pack__tag {
    font-size: 20px;
  }
}

/* Reduced motion: no pinning, the heading first and the finished room under the lit word below
   it (the room used to come first and push the heading under the picture). */
.pack.is-static .pack__stage {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: auto;
}

.pack.is-static .pack__scene {
  position: relative;
  order: 1;
  height: 80vh;
  height: 80svh;
}

.pack.is-static .pack__status {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .pack__tag.is-on {
    transition: none;
  }
}

/* No scripts, or the scene failed: no runway, the kit as a plain list. */
html:not(.js) .pack__list,
.kit-failed .pack__list {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip-path: none;
  margin-top: 8px;
  text-align: left;
}

html:not(.js) .pack__inventory,
.kit-failed .pack__inventory {
  position: relative;
  padding: 16px var(--gutter) 40px;
  text-align: left;
}

html:not(.js) .pack__count,
.kit-failed .pack__count,
.kit-failed .pack__scene {
  display: none;
}

.kit-failed .pack {
  height: auto;
}

.kit-failed .pack__stage {
  position: relative;
  height: auto;
  min-height: 0;
}