toolkit/content/widgets/moz-message-bar/moz-message-bar.css

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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

:host {
  /* Icon */
  --message-bar-icon-color: var(--icon-color-information);
  --message-bar-icon-size: var(--size-item-small);
  --message-bar-icon-close-url: url("chrome://global/skin/icons/close.svg");

  /* Container */
  --message-bar-container-min-height: var(--size-item-large);

 /* Border */
  --message-bar-border-color: oklch(from var(--message-bar-icon-color) l c h / 20%);
  --message-bar-border-radius: var(--border-radius-small);
  --message-bar-border-width: var(--border-width);

  /* Text */
  --message-bar-text-color: var(--text-color);

  /* Background */
  --message-bar-background-color: var(--background-color-information);

  background-color: var(--message-bar-background-color);
  border: var(--message-bar-border-width) solid var(--message-bar-border-color);
  border-radius: var(--message-bar-border-radius);
  color: var(--message-bar-text-color);
  text-align: start;
}

@media (prefers-contrast) {
  :host {
    --message-bar-border-color: var(--border-color);
  }
}

/* Make the host to behave as a block by default, but allow hidden to hide it. */
:host(:not([hidden])) {
  display: block;
}

/* MozMessageBar layout */

.container {
  display: flex;
  gap: var(--space-small);
  min-height: var(--message-bar-container-min-height);
  padding-inline: var(--space-medium) var(--space-small);
  padding-block: var(--space-small);
}

.content {
  display: flex;
  flex-grow: 1;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-small) var(--space-medium);
  margin-inline-start: var(--message-bar-icon-size);
}

.text-container {
  display: flex;
  gap: var(--space-xsmall) var(--space-small);
  padding-block: calc((var(--message-bar-container-min-height) - 1lh) / 2);
}

.text-content {
  display: inline-flex;
  gap: var(--space-xsmall) var(--space-small);
  flex-wrap: wrap;
  word-break: break-word;
}

/* MozMessageBar icon style */

.icon-container {
  height: 1lh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-inline-start: calc(-1 * var(--message-bar-icon-size));
}

.icon {
  width: var(--message-bar-icon-size);
  height: var(--message-bar-icon-size);
  flex-shrink: 0;
  appearance: none;
  -moz-context-properties: fill, stroke;
  fill: currentColor;
  stroke: currentColor;
  color: var(--message-bar-icon-color);
}

/* MozMessageBar heading style */

.heading {
  font-weight: 600;
}

/* MozMessageBar message style */

.message.has-link-after {
  margin-inline-end: var(--space-xsmall);
}

/* MozMessageBar link style */

.link {
  display: inline-block;
}

.link ::slotted(a) {
  margin-inline-end: var(--space-xsmall);
}

/* MozMessageBar actions style */

.actions {
  display: none;
}

.actions.active {
  display: inline-flex;
  gap: var(--space-small);
}

.actions ::slotted(button) {
  /* Enforce micro-button width. */
  min-width: fit-content !important;

  margin: 0 !important;
  padding: var(--space-xsmall) var(--space-large) !important;
}

/* Close icon styles */

moz-button::part(button) {
  background-image: var(--message-bar-icon-close-url);
}

@media not (prefers-contrast) {
  /* MozMessageBar colors by message type */
  :host([type=warning]) {
    --message-bar-background-color: var(--background-color-warning);
    --message-bar-icon-color: var(--icon-color-warning);
  }

  :host([type=success]) {
    --message-bar-background-color: var(--background-color-success);
    --message-bar-icon-color: var(--icon-color-success);
  }

  :host([type=error]),
  :host([type=critical]) {
    --message-bar-background-color: var(--background-color-critical);
    --message-bar-icon-color: var(--icon-color-critical);
  }
}

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