/* ── Install banner (iOS "Add to Home Screen" / Android native prompt) ── */
#install-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: -220px;
  z-index: 1900; /* below consent (2000) and notif panel, above app chrome */
  max-width: 420px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-float);
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  transition: bottom 0.35s cubic-bezier(0.4,0,0.2,1);
}

#install-banner.visible {
  bottom: 16px;
}

#install-banner-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 4px;
  cursor: pointer;
  line-height: 1;
}

#install-banner-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 18px;
}

#install-banner-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  flex-shrink: 0;
  object-fit: cover;
}

#install-banner-title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#install-banner-subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#install-banner-steps {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  background: var(--bg-card-inner);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12.5px;
  color: var(--text-primary);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#install-banner-steps strong {
  color: var(--text-primary);
  font-weight: 700;
}

.install-banner-share-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--bg-pill);
  border-radius: 5px;
  color: var(--accent);
  flex-shrink: 0;
}

#install-banner-cta {
  display: block;
  width: 100%;
  margin-top: 12px;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background 0.15s, transform 0.1s;
}

#install-banner-cta:hover {
  background: var(--accent-hover);
}

#install-banner-cta:active {
  transform: scale(0.98);
}