.messenger-panel button:focus-visible { outline: 3px solid var(--accent, #9a2265); outline-offset: 3px; }
/* Opened from the existing Messages entry; leave Safety and upload controls reachable. */
.messenger-panel { position: fixed; right: calc(12px + env(safe-area-inset-right)); bottom: calc(var(--messenger-dock-offset, 12px) + 60px + env(safe-area-inset-bottom));
  z-index: 71; display: flex; flex-direction: column; width: min(430px, calc(100vw - 24px)); height: min(660px, calc(100dvh - 96px - var(--messenger-dock-offset, 12px) - env(safe-area-inset-top) - env(safe-area-inset-bottom)));
  min-height: 160px; border: 1px solid var(--line, #d9dce5); border-radius: 16px; overflow: hidden;
  background: var(--panel, white); color: var(--ink, #20234f); box-shadow: 0 10px 44px #10132a33; }
.messenger-panel header { display: flex; align-items: center; gap: 8px; padding: 0 8px 0 16px; min-height: 52px; background: var(--accent-dark, #20234f); color: white; }
.messenger-panel h2 { flex: 1; margin: 0; font-size: 16px; }
.messenger-panel header button { min-width: 48px; min-height: 48px; border: 0; border-radius: 8px; font-size: 26px; color: inherit; background: transparent; cursor: pointer; }
.messenger-panel #nativeMessagingStatus { margin: 16px; }
.messenger-panel #nativeMessagingRetry { align-self: flex-start; margin: 0 16px 16px; min-height: 48px; }
.messenger-panel iframe { flex: 1; min-height: 0; width: 100%; border: 0; background: var(--panel, white); }
body.photo-upload-active { --messenger-dock-offset: 116px; }
@media (max-width: 600px) {
  .messenger-panel { right: 0; width: 100%; max-width: none;
    height: calc(100dvh - 60px - var(--messenger-dock-offset, 12px) - env(safe-area-inset-top) - env(safe-area-inset-bottom)); border-radius: 12px 12px 0 0; }
}
@media (prefers-reduced-motion: reduce) { .messenger-panel { scroll-behavior: auto; } }