/**
 * Common Design: Content Layouts
 */

/**
 * Universal layout
 *
 * This layout is designed for browsers that support CSS 2.1 and basic media
 * queries as defined in https://www.w3.org/TR/mediaqueries-3/ which itself is
 * totally optional to render content legibly.
 *
 * Any advanced enhancements will be defined later in this file, but the rules
 * in this section suffice to create a minimal layout that any browser handles.
 */
.cd-container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1220px; /* --cd-max-width */
  margin: 0 auto;
  padding: 0 0.75rem; /* --cd-container-padding */
}

@media (min-width: 768px) {
  .cd-container {
    padding: 0 1.5rem; /* --cd-container-padding-tablet */
  }
}

@media (min-width: 1200px) {
  .cd-container {
    padding: 0 2.5rem; /* --cd-container-padding-xlarge */
  }
}

/**
 * Since the universal layout is linear, add some space in between each section.
 */
.cd-layout__sidebar {
  margin: 2rem 0;
}

/**
 * Modern layout
 *
 * The remainder of this CSS file uses modern CSS to provide a flexible, RTL
 * layout using flex-box, logical properties, and CSS Vars. The @supports block
 * explicitly requires all three for the layout to apply. Any browser which
 * doesn't meet these requirements will still utilize the basic layout provided
 * unconditionally in the section above.
 */
@supports (display: flex) and (padding-inline: 1rem) and (color: var(--supports-test)) {
  /**
   * <main> content container
   */
  main.cd-container {
    padding-block-start: 2rem;
    padding-block-end: 2rem;
  }

  /**
   * Content area should grow to fill available space, but also can shrink to
   * accomodate any columns that are present.
   */
  .cd-layout__content {
    flex: 1 1 auto;
  }

  /**
   * Prevent sidebar from displaying when region is empty.
   */
  .cd-layout__sidebar:empty {
    display: none;
  }

  /**
   * Adopt column layout once space allows.
   */
  @media (min-width: 1024px) {
    main.cd-container {
      padding-block-start: 3rem;
      padding-block-end: 4rem;
    }

    /**
     * Use flex-box once window can accomodate columns.
     */
    .cd-layout {
      display: flex;
      flex-flow: row nowrap;
      gap: 2rem;
    }

    /**
     * Content area should grow to fill available space, but also can shrink to
     * accomodate any columns that are present.
     */
    .cd-layout__content {
      flex: 1 1 auto;
    }

    /**
     * Sidebar(s) should be fixed width. See modifier class if the wider sidebar
     * is desired on a particular website.
     */
    .cd-layout__sidebar {
      flex: 0 0 285px;
      margin: 0;
      padding: var(--cd-container-padding);
      background-color: var(--brand-grey);
    }

    /**
     * Define the wide sidebar. This class isn't present in the default template
     * and must be placed by overriding within a sub-theme.
     */
    .cd-layout__sidebar--wide {
      flex-basis: 400px;
    }

    /**
     * First sidebar might not be first in source order. Explicitly place it at
     * the beginning of the flex container.
     */
    .cd-layout__sidebar--first {
      order: -1;
    }

    /**
     * Second sidebar might not be last in source order. Explicitly place it at
     * the end of the flex container.
     */
    .cd-layout__sidebar--second {
      order: 999;
    }
  }
}