.sf-activation-tip {
  position: absolute;
  z-index: 1080;
  max-width: min(280px, calc(100vw - 2rem));
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(187, 134, 252, 0.45);
  border-radius: 12px;
  background: #1a1328;
  color: #f5f5f5;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
  font-size: 0.88rem;
  line-height: 1.35;
}

.sf-activation-tip__title {
  margin-bottom: 0.25rem;
  font-weight: 700;
}

.sf-activation-tip__btn {
  margin-top: 0.55rem;
  padding: 0.3rem 0.7rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #bb86fc, #7c4dff);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 650;
  cursor: pointer;
}

html[data-theme="light"] .sf-activation-tip,
body.light-mode .sf-activation-tip {
  border-color: rgba(225, 48, 108, 0.32);
  background: #fff8fb;
  color: #35232b;
  box-shadow: 0 12px 30px rgba(86, 35, 57, 0.18);
}

html[data-theme="light"] .sf-activation-tip__btn,
body.light-mode .sf-activation-tip__btn {
  background: linear-gradient(135deg, #E1306C, #F77737);
}