.csc-return-banner[hidden] {
  display: none !important;
}

.csc-return-banner {
  position: fixed;
  z-index: 9990;
  right: 22px;
  bottom: 22px;
  left: 22px;
  max-width: 980px;
  min-height: 74px;
  margin: 0 auto;
  padding: 12px 54px 12px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 16px;
  background: rgba(17, 17, 19, 0.97);
  color: #fff;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 260ms ease, transform 360ms cubic-bezier(0.22, 1, 0.36, 1);
  font-family: Montserrat, Arial, sans-serif;
  backdrop-filter: blur(12px);
}

.csc-return-banner.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.csc-return-banner__copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.csc-return-banner__copy > span {
  color: #ef3139;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.csc-return-banner__copy strong {
  font-size: clamp(14px, 1.5vw, 18px);
  line-height: 1.2;
}

.csc-return-banner__copy small {
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
  line-height: 1.35;
}

.csc-return-banner > a {
  padding: 13px 17px;
  border-radius: 10px;
  background: #ef3139;
  color: #fff !important;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  text-decoration: none !important;
  white-space: nowrap;
  transition: background 180ms ease, transform 180ms ease;
}

.csc-return-banner > a:hover {
  background: #ff434b;
  transform: translateY(-1px);
}

.csc-return-banner > button {
  position: absolute;
  top: 8px;
  right: 9px;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: rgba(255, 255, 255, 0.66);
  font: 400 22px/30px Arial, sans-serif;
  cursor: pointer;
}

.csc-return-banner > button:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 640px) {
  .csc-return-banner {
    right: 10px;
    bottom: 10px;
    left: 10px;
    min-height: 86px;
    padding: 12px 44px 12px 14px;
    grid-template-columns: 1fr auto;
    gap: 10px;
    border-radius: 14px;
  }

  .csc-return-banner__copy small {
    max-width: 210px;
    font-size: 9px;
  }

  .csc-return-banner > a {
    max-width: 100px;
    padding: 12px 11px;
    white-space: normal;
    text-align: center;
    line-height: 1.25;
  }
}