.mailcheck-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 18px;
}

.mailcheck-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.mailcheck-button {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  background: #00a3ff;
  border: 1px solid #00a3ff;
  color: #fff;
}

.mailcheck-button:hover {
  background: #0091e6;
  border-color: #0091e6;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 163, 255, 0.3);
}

.mailcheck-hint {
  opacity: 0.82;
  margin-bottom: 0;
}