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

/* Text inputs */
.input {
  accent-color: var(--input-accent-color, var(--color-text));
  background-color: var(--input-background, transparent);
  border-radius: var(--input-border-radius, 0.5em);
  border: var(--input-border-size, 1px) solid var(--input-border-color, var(--color-border-darker));
  color: var(--input-color, var(--color-text));
  font-size: max(16px, 1em);
  inline-size: 100%;
  padding: var(--input-padding, 0.5em 0.8em);
  resize: none;

  &[type="search"] {
    &::-webkit-search-decoration,
    &::-webkit-search-results-button,
    &::-webkit-search-results-decoration {
      display: none;
    }
  }

  &:autofill,
  &:-webkit-autofill,
  &:-webkit-autofill:hover,
  &:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--color-text);
    -webkit-box-shadow: 0 0 0px 1000px var(--color-selected) inset;
  }

  &:where(:not(:active)):focus {
    --input-border-color: var(--color-selected-dark);
    --hover-color: var(--color-selected-dark);
    --outline-size: 0;

    filter: var(--hover-filter);
    box-shadow: 0 0 0 var(--hover-size) var(--hover-color);
  }
}

.input--transparent {
  --input-border-color: currentColor;
  --input-color: currentColor;
  --input-background: transparent;
}

.input--invisible {
  background-color: transparent;
  block-size: 5px;
  border: none;
  inline-size: 5px;
  opacity: 0.1;

  &:focus {
    outline: none;
  }
}

.input--actor {
  transition: box-shadow 150ms ease, outline-offset 150ms ease;

  &:focus-within {
    --input-border-color: var(--color-selected-dark);
    --hover-color: var(--color-selected-dark);
    --outline-size: 0;

    filter: var(--hover-filter);
    box-shadow: 0 0 0 var(--hover-size) var(--hover-color);
  }

  .input {
    --input-padding: 0;
    --input-border-radius: 0;
    --input-background: transparent;
    --input-border-size: 0;
    --hover-size: 0;
    --outline-size: 0;
    --outline-color: transparent;

    outline: 0;
  }

  &:has(.input:is(
    :autofill,
    :-webkit-autofill,
    :-webkit-autofill:hover,
    :-webkit-autofill:focus)) {
    -webkit-text-fill-color: var(--color-text);
    -webkit-box-shadow: 0 0 0px 1000px var(--color-selected) inset;
  }

  .btn:not(.avatar) {
    margin-block: -0.4em;

    &:last-child {
      margin-inline-end: -0.7em;
    }
  }

  .btn--reversed img {
    inline-size: 1em;
  }
}

.input--file {
  input[type="file"] {
    --hover-size: 0;

    block-size: 100%;
    border: 0;
    border-radius: 50%;
    inline-size: 100%;
    overflow: clip;
    padding: 0;

    &::file-selector-button {
      appearance: none;
      cursor: pointer;
      opacity: 0;
    }
  }

  &:not(.avatar) {
    img {
      inline-size: 1.6em;
    }
  }
}

.input--code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monaco, monospace;
  white-space: pre-wrap !important;
  word-wrap: break-word;
}

/* Switches */
.switch {
  block-size: 1.75em;
  display: inline-flex;
  inline-size: 3em;
  position: relative;
  border-radius: 2em;

  @media (any-hover: hover) {
    &:where(:not(:active):hover) .switch__btn {
      filter: brightness(0.7);
      box-shadow: none;
    }
  }

  &:focus-within .switch__btn {
    --shadow-size: min(0.2em, 2px);

    box-shadow:
      0 0 0 var(--shadow-size) var(--color-bg),
      0 0 0 calc(var(--shadow-size) * 2) var(--color-link);
  }
}

.switch__input {
  block-size: 0;
  inline-size: 0;
  opacity: 0.1;
}

.switch__btn {
  background-color: var(--color-border-darker);
  border-radius: 2em;
  cursor: pointer;
  inset: 0;
  position: absolute;
  transition: 150ms ease;

  &::before {
    background-color: var(--color-text-reversed);
    block-size: 1.35em;
    border-radius: 50%;
    content: "";
    inline-size: 1.35em;
    inset-block-end: 0.2em;
    inset-inline-start: 0.2em;
    position: absolute;
    transition: 150ms ease;
  }

  .switch__input:disabled + & {
    background-color: var(--color-border-darker) !important;
    cursor: not-allowed;
  }

  .switch__input:checked + & {
    background-color: var(--color-text);

    &::before {
      transform: translateX(1.2em);
    }
  }
}