.message-nav-trigger {
  position: relative;
  overflow: visible;
}

.message-nav-trigger:where(a) {
  text-decoration: none;
}

.message-nav-trigger i {
  pointer-events: none;
}

.nav-message-btn {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-soft);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.nav-message-btn:hover,
.nav-message-btn:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  background: color-mix(in srgb, var(--primary-soft) 76%, var(--bg-soft) 24%);
  transform: translateY(-1px);
}

.nav-message-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 55%, transparent);
  outline-offset: 2px;
}

.message-nav-badge {
  position: absolute;
  top: -0.2rem;
  right: -0.2rem;
  min-width: 1.2rem;
  height: 1.2rem;
  padding: 0 0.28rem;
  border-radius: 999px;
  border: 2px solid var(--bg-soft);
  background: #ef4444;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(239, 68, 68, 0.28);
  pointer-events: none;
}

.message-nav-badge.is-hidden {
  display: none;
}

html[data-theme="dark"] .message-nav-badge {
  border-color: var(--bg-soft);
  box-shadow: 0 10px 22px rgba(239, 68, 68, 0.36);
}

@media (max-width: 991.98px) {
  .nav-message-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
  }

  .message-nav-badge {
    top: -0.14rem;
    right: -0.12rem;
  }
}