front_end/ui/components/buttons/floatingButton.css

/*
 * Copyright 2024 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

:host {
  width: fit-content;
  height: fit-content;
}

button {
  padding: 0;
  margin: 0;
  background: 0;
  border: 0;
  position: relative;
  width: var(--sys-size-8);
  height: var(--sys-size-8);
  box-shadow: var(--sys-elevation-level2);
  border-radius: var(--sys-shape-corner-extra-small);
  display: flex;
  justify-content: center;
  align-items: center;

  :host-context(:not(.theme-with-dark-background)) & {
    background-color: var(--sys-color-tonal-container);
  }

  :host-context(.theme-with-dark-background) & {
    background-color: var(--sys-color-primary);
  }

  & > devtools-icon {
    width: var(--sys-size-7);
    height: var(--sys-size-7);
  }

  :host-context(:not(.theme-with-dark-background)) & > devtools-icon {
    color: var(--sys-color-on-tonal-container);
  }

  :host-context(.theme-with-dark-background) & > devtools-icon {
    color: var(--sys-color-on-primary);
  }

  &:not(:disabled):hover::after,
  &:not(:disabled):hover::before {
    content: "";
    height: 100%;
    width: 100%;
    border-radius: inherit;
    position: absolute;
    top: 0;
    left: 0;
  }

  &:not(:disabled):hover::after {
    background-color: var(--sys-color-state-hover-on-subtle);
  }

  &:not(:disabled):active::before {
    background-color: var(--sys-color-state-ripple-neutral-on-subtle);
  }

  &:focus-visible {
    outline: 2px solid var(--sys-color-state-focus-ring);
    outline-offset: 2px;
  }

  &:disabled > devtools-icon {
    color: var(--sys-color-state-disabled);
  }
}

.gemini {
  display: flex;
  justify-content: center;
  align-items: center;
  width: var(--sys-size-9);
  height: var(--sys-size-9);
  border-radius: var(--sys-shape-corner-full);
  background-image: var(--app-gradient-google-ai);
  font: var(--sys-typescale-body4-medium);
  color: var(--ref-palette-neutral100);
  transition: width 1s, padding 1s;
  margin-left: auto;
  overflow: hidden;
  position: relative;
  border: 0;

  &:focus-visible {
    outline: var(--sys-size-2) solid var(--sys-color-state-focus-ring);
  }

  &:hover::after,
  &:active::after {
    content: "";
    height: 100%;
    width: 100%;
    border-radius: inherit;
    position: absolute;
    top: 0;
    left: 0;
  }

  &:hover::after {
    background-color: var(--sys-color-state-hover-on-prominent);
  }

  &:active::after {
    background-color: var(--sys-color-state-ripple-primary);
  }

  devtools-icon {
    color: var(--ref-palette-neutral100) !important; /* stylelint-disable-line declaration-no-important */
  }
}