.wrap-center-middle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-flow: wrap column;
  text-align: center;
  height: 100vh;
}

.modal-window {
  position: fixed;
  z-index: 100;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -80%) scale(0.9);
  width: 520px;
  max-width: 95%;
  min-height: 200px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  background-color: #fff;
  border-radius: 4px;
  transition: all 0.18s ease-in-out;
  visibility: hidden;
  opacity: 0;
}
.modal-window.show {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}
.modal-window__title {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: column wrap;
  height: 100%;
  min-height: inherit;
}
.modal-window__backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
}

.hidden {
  display: none;
}

.phone-eror-mess {
  display: block;
  line-height: 2em;
  background-color: red;
  text-align: center;
  color: #fff;
}

.form-input-main {
  margin-bottom: 10px;
  width: 100%;
}

.form-input-main input,
.form-input-main select {
  height: 42px;
  width: 100%;
  padding-left: 10px;
  border: 1px solid #000;
  background: #fff;
  border-radius: 5px;
  font-weight: 400;
  font-size: 18px;
  color: #000;
}

.form-input-main select {
  margin: 0;
  width: 100%;
}

.form-input-main input::placeholder,
.form-input-main select::placeholder {
  color: #000;
}

.form-header-text,
.form-footer-text {
  font-size: 20px;
  text-align: center;
}

.form-header-text {
  margin-bottom: 20px;
}

.form-footer-text {
  margin-top: 20px;
}

.form-input-main label[for="nationality"] {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.form-input-main label[for="policy"] {
  display: flex;
  align-items: center;
  gap: 15px;
}

.form-input-main label[for="age"] {
  font-size: 14px;
  gap: 10px;
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-start;
}

.form-input-main input[name="policy"] {
  width: 20px;
  height: 20px;
  padding: 0;
  margin: 0;
}

.submit_btn {
  border-radius: 21px;
  -moz-border-radius: 21px;
  -ms-border-radius: 21px;
  -o-border-radius: 21px;
  border-radius: 21px;
  text-align: center;
  text-transform: none;
  background: #171a17;
  color: #fff;
  transition: opacity 0.2s ease-out;
  font-weight: 700;
  font-size: 20px;
  cursor: pointer;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  height: 53px;
  width: 304px;
  color: #ffffff;
  border: none;
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.user--name.show,
.user--email.show,
.user--phone.show {
  display: block;
  margin-left: auto;
  margin: 20px 40px;
  max-width: 400px;
  margin-left: auto;
  background-color: #e5e5e5;
  padding: 20px;
  border-radius: 20px 0px 20px 20px;
  filter: drop-shadow(2px 3px 1px rgba(0, 0, 0, 0.2));
}

.button--user {
  width: 200px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0db14b;
  border-radius: 5px;
  cursor: pointer;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-left: auto;
  border: none;
}

@media screen and (max-width: 600px) {
  .chat {
    margin: 15px;
  }
  .user--name.show,
  .user--email.show,
  .user--phone.show {
    max-width: 100%;
    margin: 10px auto;
  }
  .chat-content-list {
    margin: 0;
  }
}