/* ==========================================================================
   ANNOUNCEMENT BAR
   Sticky banner at top of page for promotions, signups, etc.
   ========================================================================== */

@layer components {
  .announcement-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-border);
    padding: var(--block-space-half) var(--block-space);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--block-space);
    box-shadow: var(--shadow);

    &[hidden] {
      display: none;
    }
  }

  .announcement-bar__content {
    display: flex;
    align-items: center;
    gap: var(--block-space);
    flex-wrap: wrap;
    justify-content: center;
  }

  .announcement-bar__text {
    margin: 0;
    font-size: var(--text-subhead);
  }

  .announcement-bar__form {
    display: flex;
    gap: 0;
  }

  .announcement-bar__input {
    padding: 0.5em 0.75em;
    font-size: var(--text-callout);
    line-height: var(--leading-normal);
    border: 2px solid var(--color-link);
    border-right: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    background: var(--color-canvas);
    color: var(--color-ink);
    min-width: 200px;
    transition: border-color 150ms ease;

    &:focus {
      outline: none;
      border-color: var(--color-link-hover);
    }

    &::placeholder {
      color: var(--color-ink-lighter);
    }
  }

  .announcement-bar__button {
    padding: 0.5em 1.5em;
    font-weight: 600;
    font-size: var(--text-callout);
    border: 2px solid var(--color-link);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    background: var(--color-link);
    color: var(--color-ink-inverted);
    cursor: pointer;
    transition: all 150ms ease;
    white-space: nowrap;

    &:hover {
      background: var(--color-link-hover);
      border-color: var(--color-link-hover);
    }
  }

  .announcement-bar__close {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--block-space-half);
    background: transparent;
    border: none;
    color: var(--color-ink-light);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all 150ms ease;

    &:hover {
      color: var(--color-ink);
      background: var(--color-ink-lightest);
    }
  }

  /* Body offset when bar is visible - uses :has() for instant response */
  body:has(.announcement-bar:not([hidden])) {
    padding-top: 64px;
  }

  /* ==========================================================================
     Mobile responsive - stacked layout
     ========================================================================== */

  @media (max-width: 640px) {
    .announcement-bar {
      flex-direction: column;
      padding: var(--block-space-1-5) var(--block-space) var(--block-space);
      overflow: hidden;
    }

    .announcement-bar__content {
      flex-direction: column;
      text-align: center;
      width: 100%;
      gap: var(--block-space-half);
    }

    .announcement-bar__text {
      padding-right: var(--block-space-1-5);
    }

    .announcement-bar__form {
      width: 100%;
      box-sizing: border-box;
    }

    .announcement-bar__input {
      flex: 1;
      min-width: 0;
    }

    .announcement-bar__close {
      position: absolute;
      top: var(--block-space-quarter);
      right: var(--block-space-quarter);
    }

    body:has(.announcement-bar:not([hidden])) {
      padding-top: 140px;
    }
  }
}