/* 50 Plus Hub — Utilities: Back-to-top, Screen Reader, Print */

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--nav-bg);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: background 0.2s, transform 0.2s;
}
.back-to-top.visible {
  display: flex;
}
.back-to-top:hover {
  background: var(--link);
  transform: translateY(-2px);
}

/* Text utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 16px; }
.mb-1 { margin-bottom: 16px; }
.mt-2 { margin-top: 32px; }
.mb-2 { margin-bottom: 32px; }

/* Print styles */
@media print {
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  #site-header,
  #site-footer,
  .tools-bar,
  .greeting-bar,
  .games-strip,
  .newsletter,
  .back-to-top,
  .theme-toggle,
  .scam-banner,
  .promo-banner,
  .share-btns,
  .article-cta {
    display: none !important;
  }
  a { color: #000; text-decoration: underline; }
  .wrap { max-width: 100%; padding: 0; }
}