/* FANGST v73: Comfortable, thumb-sized back buttons across the app */
button.back,
button[data-v67-back-event] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-sizing: border-box;
  width: auto;
  max-width: 100%;
  min-height: 48px;
  padding: 11px 16px;
  margin: 0 0 14px;
  border: 1px solid #87b6c6;
  border-radius: 12px;
  background: #e5f4f7;
  color: #164a63;
  font-size: 15px;
  font-weight: 750;
  line-height: 1.3;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
button.back svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  stroke-width: 2.4;
}
button.back:active,
button[data-v67-back-event]:active {
  transform: translateY(1px);
}
button.back:focus-visible,
button[data-v67-back-event]:focus-visible {
  outline: 3px solid #26b2c0;
  outline-offset: 3px;
}
body.fangst-dark button.back,
body.fangst-dark button[data-v67-back-event] {
  background: #174356;
  border-color: #427487;
  color: #ecfaff;
}
.auth-screen button.back {
  background: rgba(11, 52, 76, .85);
  border-color: rgba(154, 220, 233, .5);
  color: #eaffff;
}
@media (max-width: 360px) {
  button.back, button[data-v67-back-event] {
    font-size: 14px;
    padding: 10px 12px;
  }
}