once-campfire/app/assets/stylesheets/base.css

:root {
  --font-family: -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --hover-color: var(--color-border-darker);
  --hover-size: 0.15em;
  --hover-filter: brightness(1);
}

html, body {
  -webkit-text-size-adjust: none;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  line-height: 1.4;
  overflow: initial;
  text-size-adjust: none;
}

/* Links */
:where(a:not([class]):not(:has(img))) {
  color: var(--link-color, var(--color-link));

  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      --hover-filter: brightness(1.3);

      filter: var(--hover-filter);
    }
  }
}

:where(button, input, textarea, summary, .input, .btn) {
  --outline-size: min(0.2em, 2px);

  appearance: none;
  border: none;
  background-color: transparent;
  font: inherit;
  line-height: inherit;
  text-decoration: none;
  touch-action: manipulation;
  transition: box-shadow 150ms ease, outline-offset 150ms ease, background-color 150ms ease, opacity 150ms ease, filter 150ms ease;

  /* Hover */
  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      filter: var(--hover-filter);
      box-shadow: 0 0 0 var(--hover-size) var(--hover-color);
    }
  }

  /* Keyboard navigation */
  &:where(:not(:active)):focus-visible {
    outline-width: var(--outline-size);
    outline-color: var(--outline-color, var(--color-link));
    outline-offset: var(--outline-offset, calc(var(--outline-size) * 2));
  }

  /* Pressing */
  &:focus:not(:focus-visible) {
    --outline-offset: 0;
  }

  /* Disabled */
  &:where([disabled]):not(:hover):not(:active) {
    cursor: not-allowed;
    filter: brightness(0.75);
  }
}

/* Turbo */
turbo-frame,
turbo-cable-stream-source {
  display: contents;
}

/* For settings */
fieldset {
  border: 2px solid var(--fieldset-border-color, var(--color-border));
  border-block-end: 0;
  border-inline: 0;
  display: flex;
  flex-direction: column;
  max-inline-size: 50ch;
  padding: var(--block-space) 0;

  &.border {
    border-color: var(--color-border-darker);
    border-style: solid;
    border-width: 1px;
  }
}

legend {
  align-items: center;
  display: flex;
  justify-content: center;
  margin-inline: auto;
  text-align: center;
}

.membership-item:has(.btn.invisible) {
  opacity: 0.5;
}

/* Dialogs */
.dialog {
  --width: 50ch;

  background-color: var(--color-bg);
  margin-inline: var(--inline-space);
  inline-size: var(--width);
  max-inline-size: calc(100dvw - var(--inline-space) * 2);
  position: relative;

  &::backdrop {
    background-image: linear-gradient(
      45deg,
      #fff500,
      #ff9f00,
      #f00,
      #ec0061
    );
    opacity: 0.75;
  }
}

.dialog__close {
  position: absolute;
  inset: calc(var(--block-space) * 1.5) var(--inline-space) auto auto;
}

/* Misc */
menu {
  outline: 0;
}

code {
  background: var(--color-bg);
  border: 1px solid var(--color-border-dark);
  padding: 0.2em 0.4em;
  border-radius: 0.3em;
  font-weight: 500;
}

pre {
  background-color: var(--color-bg);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monaco, monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.version-badge {
  border: 1px solid var(--color-border-darker);
  border-radius: 0.3em;
  color: var(--color-border-darker);
  padding: 0.1em var(--inline-space-half);
}

/* PWA install */
.pwa__instructions {
  @media (display-mode: standalone) {
    display: none;
  }
}

.pwa__installer {
  display: none;

  .pwa--can-install & {
    display: block;
  }
}

/* Notification settings */
.notifications-help {
  padding: var(--block-space) var(--inline-space);
  background-color: var(--color-border);
  border-radius: 0.5em;
  border: 1px solid var(--color-border-dark);
  margin-block-end: var(--block-space-half);

  summary {
    --column-gap: var(--inline-space-half);
    --btn-background: transparent;
    --btn-border-radius: 0.5em;
    --btn-border-color: transparent;

    display: flex;
    justify-content: start;
    padding: var(--block-space) var(--inline-space);
    margin: calc(var(--block-space) * -1) calc(var(--inline-space) * -1);
  }

  .disclosure {
    margin-inline-start: auto;
    transition: transform 150ms ease;

    .notifications-help[open] & {
      transform: rotate(90deg);
    }
  }

  img {
    display: inline;
    vertical-align: text-top;

    @media (prefers-color-scheme: dark) {
      filter: invert(100);
    }
  }

  li {
    margin-block: var(--block-space-half);
  }

  em {
    background: var(--color-bg);
    border: 1px solid var(--color-border-darker);
    padding: 0.2em 0.4em;
    border-radius: 0.3em;
    font-weight: 500;
    font-style: normal;
    font-size: 0.9em;
  }
}

/* Language translations */
.lanuage-list-menu {
  --max-width: 40ch;

  background-color: var(--color-border);
  border: 1px solid var(--color-border-dark);
  border-radius: 0.5em;
  inset: auto;
  inline-size: max-content;
  margin-inline: var(--inline-space);
  max-inline-size: 40ch;
  overflow: clip;
  position: absolute;
  z-index: 3;

  @media (max-width: 100ch) {
    max-inline-size: calc(var(--max-width) - var(--inline-space));
  }
}

.language-list {
  display: grid;
  gap: var(--block-space-half) var(--inline-space);
  grid-template-rows: min-content;
  grid-template-columns: min-content 1fr;
  justify-content: start;
  margin: 0;
  padding: var(--block-space) var(--inline-space-double);
  text-align: start;
}

/* Nicer scrollbars on Chrome 29+. This is intended for Windows machines, but */
/* there's not a way to target Windows using CSS, so Chrome on Mac will have */
/* slightly thinner scrollbars than normal. #C1C1C1 is the default color on Macs. */
@media screen and (-webkit-min-device-pixel-ratio:0) and (min-resolution:.001dpcm) {
  * {
    scrollbar-color: #C1C1C1 transparent;
    scrollbar-width: thin;
  }
}