@layer components {
  .hd-hud-badge,
  .hd-player-zoom-hud {
    position: fixed;
    top: calc(var(--hd-visual-viewport-offset-top, 0px) + var(--player-top-bar-height, 0px) + var(--hd-space-4));
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    z-index: calc(var(--hd-player-chrome-z, 12000) + 10);
    min-width: 4.75rem;
    padding: var(--hd-space-2) var(--hd-space-4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border: 1px solid var(--hd-border-accent);
    border-radius: var(--hd-radius-sm);
    background: var(--hd-surface-1);
    box-shadow: var(--hd-shadow-lg);
    color: var(--hd-text-primary);
    font-family: var(--hd-font-ui);
    font-size: var(--hd-text-h2);
    font-weight: var(--hd-weight-bold);
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
    line-height: var(--hd-leading-tight);
    letter-spacing: 0;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--hd-motion-fast) var(--hd-ease-ui),
                transform var(--hd-motion-fast) var(--hd-ease-ui),
                visibility 0s linear var(--hd-motion-fast);
  }

  .hd-hud-badge.is-visible,
  .hd-player-zoom-hud.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    transition-delay: 0s;
  }

  /* An open native dialog owns the action layer, keeping receipts in the same
   * browser top layer. Explicit insets keep the stack viewport-bound. */
  .hd-action-hud {
    --hd-action-hud-drawer-offset: 44px;
    position: fixed;
    inset: auto;
    top: calc(var(--hd-visual-viewport-offset-top, 0px) + var(--player-top-bar-height, 0px) + var(--hd-space-4));
    right: max(var(--hd-space-3), env(safe-area-inset-right, 0px));
    z-index: calc(var(--hd-player-chrome-z, 12000) + 200);
    width: max-content;
    max-width: calc(100vw - (var(--hd-space-3) * 2));
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    display: grid;
    justify-items: end;
    gap: var(--hd-space-2);
    pointer-events: none;
  }

  .hd-action-hud__notice {
    display: grid;
    box-sizing: border-box;
    max-width: 100%;
    gap: var(--hd-space-1);
    padding: var(--hd-space-3);
    border: 1px solid var(--hd-border-accent);
    border-radius: var(--hd-radius-sm);
    background: var(--hd-surface-1);
    box-shadow: var(--hd-shadow-lg);
    color: var(--hd-text-primary);
    font-family: var(--hd-font-ui);
    font-size: var(--hd-text-ui);
    line-height: var(--hd-leading-normal);
    pointer-events: none;
    animation: hd-action-hud-enter var(--hd-motion-fast) var(--hd-ease-ui);
  }

  body:has(.hd-player-top-bar--drawer-open) > .hd-action-hud {
    top: calc(
      var(--hd-visual-viewport-offset-top, 0px) +
      var(--player-top-bar-height, 0px) +
      var(--hd-action-hud-drawer-offset) +
      var(--hd-space-4)
    );
  }

  .hd-action-hud__notice--error { border-color: var(--hd-accent-danger); }
  .hd-action-hud__notice--warning { border-color: var(--hd-accent-warning); }
  .hd-action-hud__notice--success { border-color: var(--hd-accent-success); }

  .hd-action-hud__title {
    font-family: var(--hd-font-display);
    font-size: var(--hd-text-h4);
    font-weight: var(--hd-weight-bold);
    line-height: var(--hd-leading-tight);
  }

  .hd-action-hud__message {
    margin: 0;
    color: var(--hd-text-secondary);
  }

  .hd-action-hud__icon {
    grid-row: 1 / span 2;
    grid-column: 1;
    align-self: center;
    color: var(--hd-border-accent);
    font-size: var(--hd-text-h3);
    line-height: var(--hd-leading-icon);
  }

  .hd-action-hud__notice--with-icon .hd-action-hud__title,
  .hd-action-hud__notice--with-icon .hd-action-hud__message {
    grid-column: 2;
  }

  .hd-action-hud__undo {
    justify-self: start;
    min-height: 44px;
    padding: var(--hd-space-1) var(--hd-space-3);
    border: 1px solid var(--hd-border-accent);
    border-radius: var(--hd-radius-sm);
    background: var(--hd-surface-2);
    color: var(--hd-text-primary);
    font: inherit;
    font-weight: var(--hd-weight-bold);
    cursor: pointer;
    pointer-events: auto;
  }

  .hd-action-hud__undo:focus-visible {
    outline: 2px solid var(--hd-focus-ring, var(--hd-border-accent));
    outline-offset: 2px;
  }

  @keyframes hd-action-hud-enter {
    from { opacity: 0; transform: translateY(-0.25rem); }
    to { opacity: 1; transform: translateY(0); }
  }

  @media (prefers-reduced-motion: reduce) {
    .hd-hud-badge,
    .hd-player-zoom-hud {
      transition: none;
    }
    .hd-action-hud__notice { animation: none; transition: none; }
  }
}