/* Slide viewer for rConfig decks. Injected at serve time; the decks themselves are never edited.
   Everything is scoped under html.dv, which deck.js sets, so a deck still reads normally if the script fails. */

html.dv {
  --dv-navy: #091033;
  --dv-navy-2: #0f1c6e;
  --dv-brand: #0321f9;
  --dv-bar-h: 52px;
  --dv-line: rgba(255, 255, 255, 0.14);
  --dv-ink: #fff;
  --dv-ink-2: rgba(255, 255, 255, 0.72);
}

html.dv,
html.dv body {
  height: 100%;
  overflow: hidden;
}

/* The deck's own header (title, Present button, contents) is replaced by the toolbar. */
html.dv .bar {
  display: none;
}

.dv-bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  min-height: var(--dv-bar-h);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--dv-navy);
  color: var(--dv-ink);
  font: 600 13px/1 var(--f-body, "Plus Jakarta Sans", system-ui, sans-serif);
  transition: transform 0.2s;
}

.dv-bar a,
.dv-bar button,
.dv-bar select {
  font: inherit;
  color: var(--dv-ink);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--dv-line);
  border-radius: 8px;
  padding: 8px 12px;
  min-height: 36px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dv-bar a:hover,
.dv-bar button:hover:not(:disabled),
.dv-bar select:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.dv-bar button:disabled {
  opacity: 0.4;
  cursor: default;
}

.dv-bar a:focus-visible,
.dv-bar button:focus-visible,
.dv-bar select:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.dv-bar select option {
  color: #141a33;
  background: #fff;
}

.dv-title {
  font-family: var(--f-display, "Sora", system-ui, sans-serif);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  margin-inline: 4px auto;
}

.dv-count {
  min-width: 5.5ch;
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: var(--dv-ink-2);
}

.dv-progress {
  position: fixed;
  top: var(--dv-bar-h);
  left: 0;
  right: 0;
  height: 3px;
  z-index: 20;
  background: var(--dv-navy-2);
  transition: transform 0.2s;
}

.dv-progress > i {
  display: block;
  height: 100%;
  width: 100%;
  background: #6f86ff;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.25s;
}

/* One slide at a time, scaled to fit the stage and kept 16:9. */
html.dv .deck {
  position: fixed;
  inset: calc(var(--dv-bar-h) + 3px) 0 0 0;
  max-width: none;
  margin: 0;
  padding: 16px;
  gap: 0;
  overflow: auto;
  display: grid;
  place-items: center;
  scroll-behavior: auto;
}

html.dv .slide {
  display: none;
}

html.dv .slide.dv-cur {
  display: block;
  width: min(100%, calc((100dvh - var(--dv-bar-h) - 3px - 32px) * 16 / 9));
}

/* Fullscreen: hide the chrome after a pause; any pointer movement brings it back. */
html.dv.dv-fs {
  --dv-bar-h: 0px;
}

html.dv.dv-fs .deck {
  padding: 0;
  inset: 0;
}

html.dv.dv-fs .slide.dv-cur {
  width: min(100vw, 177.78vh);
  border-radius: 0;
  box-shadow: none;
}

html.dv.dv-fs .dv-bar,
html.dv.dv-fs .dv-progress {
  transform: translateY(-110%);
}

html.dv.dv-fs.dv-awake .dv-bar,
html.dv.dv-fs.dv-awake .dv-progress {
  transform: none;
}

html.dv.dv-fs.dv-awake .dv-progress {
  top: 52px;
}

/* Narrow screens: the deck reflows each slide to its natural height, so the stage scrolls. */
@media (max-width: 760px) {
  html.dv {
    --dv-bar-h: 96px;
  }

  .dv-bar {
    flex-wrap: wrap;
    padding: 6px 8px;
    gap: 6px;
  }

  .dv-title {
    flex: 1 1 100%;
    order: -1;
    margin: 0;
  }

  .dv-select {
    flex: 1 1 0;
    min-width: 0;
  }

  .dv-label {
    display: none;
  }

  html.dv .deck {
    display: block;
    padding: 8px;
  }

  html.dv .slide.dv-cur {
    width: 100%;
    height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dv-bar,
  .dv-progress,
  .dv-progress > i {
    transition: none;
  }
}

/* PDF: one 1280x720 slide per page, no toolbar. Triggered by the browser print dialog or ?pdf. */
@page {
  size: 1280px 720px;
  margin: 0;
}

@media print {
  html,
  html.dv,
  html.dv body {
    height: auto;
    overflow: visible;
    background: #fff;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .dv-bar,
  .dv-progress,
  html.dv .bar {
    display: none !important;
  }

  html.dv .deck {
    position: static;
    display: block;
    padding: 0;
    margin: 0;
    max-width: none;
    overflow: visible;
  }

  html.dv .slide,
  html.dv .slide.dv-cur {
    display: block;
    width: 1280px;
    height: 720px;
    aspect-ratio: auto;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    break-after: page;
    page-break-after: always;
    break-inside: avoid;
  }

  html.dv .slide:last-of-type {
    break-after: auto;
    page-break-after: auto;
  }
}