/* present.css - fullscreen slide mode (present.js). */

.present-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 5;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 2rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color--light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  font-family: var(--md-text-font-family);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
}

.present-toggle:hover {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

body.present-active {
  overflow: hidden;
}

/* Overlay ------------------------------------------------------------ */

.present {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  background: var(--md-default-bg-color);
  outline: none;
}

.present__stage {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 3vh 5vw;
}

.present__slide[hidden] {
  display: none;
}

.present__slide {
  width: 100%;
  max-width: 52rem;
  margin: auto;
}

/* Slides carry more visual weight than the same content does in the article
   view, so scale type up rather than restyling every element individually. */
.present__inner {
  font-size: 0.92rem;
  line-height: 1.7;
}

.present__inner > :first-child {
  margin-top: 0;
}

.present__inner h1,
.present__inner h2 {
  margin-top: 0;
  line-height: 1.25;
}

.present__inner h1 {
  font-size: 2.2rem;
}

.present__inner h2 {
  font-size: 1.6rem;
}

.present__inner h3 {
  font-size: 1.1rem;
}

.present__inner img,
.present__inner svg {
  max-width: 100%;
  height: auto;
}

/* Control bar -------------------------------------------------------- */

.present__bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  border-top: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-default-bg-color);
}

.present__progress {
  flex: 1 1 auto;
  height: 3px;
  border-radius: 2px;
  background: var(--md-default-fg-color--lightest);
  overflow: hidden;
}

.present__fill {
  height: 100%;
  background: var(--md-primary-fg-color);
  transition: width 150ms ease;
}

.present__counter {
  flex: 0 0 auto;
  min-width: 4rem;
  text-align: center;
  font-family: var(--md-text-font-family);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  color: var(--md-default-fg-color--light);
}

.present__btn {
  flex: 0 0 auto;
  min-width: 2.4rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 0.3rem;
  background: transparent;
  color: var(--md-default-fg-color);
  font-family: var(--md-text-font-family);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.present__btn:hover:not(:disabled) {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

.present__btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.present__btn--exit {
  color: var(--md-default-fg-color--light);
}

@media print {
  .present-toggle {
    display: none;
  }
}