:root {
  --light-color-background: #ffffff;
  --light-color-background-secondary: #f6f8fa;
  --light-color-background-navbar: #f6f8fa;
  --light-color-accent: #d1d9e0;
  --light-color-text: #1f2328;
  --light-color-link: #0969da;

  --dark-color-background: #0d1117;
  --dark-color-background-secondary: #151b23;
  --dark-color-background-navbar: #010409;
  --dark-color-accent: #383e48;
  --dark-color-text: #f0f6fc;
  --dark-color-link: #4493f8;

  --color-background: var(--light-color-background);
  --color-background-secondary: var(--light-color-background-secondary);
  --color-background-navbar: var(--light-color-background-navbar);
  --color-accent: var(--light-color-accent);
  --color-text: var(--light-color-text);
  --color-link: var(--light-color-link);

  --font-family-text:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: var(--dark-color-background);
    --color-background-secondary: var(--dark-color-background-secondary);
    --color-background-navbar: var(--dark-color-background-navbar);
    --color-accent: var(--dark-color-accent);
    --color-text: var(--dark-color-text);
    --color-link: var(--dark-color-link);
  }
}

html {
  box-sizing: border-box;
  height: 100%;
  overflow: hidden;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  justify-items: center;
  overflow: hidden;
  font-family: var(--font-family-text);
  background: var(--color-background);
  color: var(--color-text);
}

.demo-main {
  width: 100%;
  min-height: 0;
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 1rem;
}

.page-toolbar {
  width: 100%;
  border-bottom: 1px solid var(--color-accent);
  background: var(--color-background-navbar);
}

.toolbar-contents {
  width: 100%;
  max-width: 1700px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  height: 2.5rem;
  gap: 1rem;
}

.page-toolbar a,
.page-toolbar a:visited {
  color: var(--color-text);
  text-decoration: none;
}

.toolbar-contents .title {
  font-weight: 700;
  margin-right: auto;
}

#toolbar-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-right: 1rem;
}

#toolbar-links a:hover {
  text-decoration: underline;
}

.settings {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

body.mobile-single .settings {
  display: none;
}

.settings button {
  min-height: 2.75rem;
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--color-accent);
  border-radius: 0.375rem;
  background: var(--color-background);
  color: var(--color-text);
  font: inherit;
  text-decoration: none;
}

.settings button:hover {
  background: var(--color-accent);
}

.settings button.active {
  border-color: var(--color-link);
  background: var(--color-link);
  color: var(--color-background);
}

#magazine {
  visibility: hidden;
  width: min(1152px, calc(100vw - 2rem), calc((100dvh - 8rem) * (1152 / 752)));
  max-width: 100%;
  min-width: 0;
  aspect-ratio: 1152 / 752;
}

#magazine.is-ready {
  visibility: visible;
}

#magazine:not(.flip-turn-single) {
  --flip-turn-page-background: transparent;
}

#magazine.flip-turn-single {
  width: min(576px, calc(100vw - 2rem), calc((100dvh - 8rem) * (576 / 752)));
  aspect-ratio: 576 / 752;
}

@media (max-width: 900px), (pointer: coarse) {
  .demo-main {
    gap: 0.75rem;
  }

  .toolbar-contents {
    flex-wrap: wrap;
    justify-content: center;
    height: auto;
    padding: 0.5rem 1rem;
  }

  .toolbar-contents .title {
    flex: 1 1 100%;
    text-align: center;
  }

  #toolbar-links {
    margin-left: 0;
    flex: 1 1 100%;
    justify-content: center;
    gap: 0.5rem;
  }

  .settings {
    width: 100%;
    justify-content: center;
  }

  .settings button {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.625rem 1rem;
    text-align: center;
  }

  #magazine {
    width: min(
      1152px,
      calc(100vw - 2rem),
      calc((100dvh - 6.25rem) * (1152 / 752))
    );
  }

  #magazine.flip-turn-single {
    width: min(
      576px,
      calc(100vw - 2rem),
      calc((100dvh - 6.25rem) * (576 / 752))
    );
  }
}