body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #e0e5ec;
  background: #E4FBFB;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.container {
  background: #e0e5ec;
  padding: 30px;
  border-radius: 20px;
  box-shadow: 10px 10px 30px #c2c8d0, -10px -10px 30px #ffffff;
  width: 300px;
}
.tabs {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}
.tabs button {
  flex: 1;
  padding: 10px;
  border: none;
  background: none;
  font-weight: bold;
  cursor: pointer;
  border-radius: 10px;
  transition: 0.3s;
}
.tabs button.active {
  background: #d1d9e6;
  box-shadow: inset 2px 2px 5px #bec4cb, inset -2px -2px 5px #f0f5fa;
}
.form {
  display: none;
  flex-direction: column;
}
.form.active {
  display: flex;
}
input {
  margin: 10px 0;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: #e0e5ec;
  box-shadow: inset 4px 4px 6px #c8ccd1, inset -4px -4px 6px #f0f5fa;
}
.btn {
  margin-top: 10px;
  padding: 12px;
  background: #e0e5ec;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  box-shadow: 6px 6px 10px #c2c8d0, -6px -6px 10px #ffffff;
  transition: 0.3s;
}
.btn:hover {
  background: #d6dce4;
}
.or {
  text-align: center;
  margin: 15px 0 10px;
  font-size: 0.85em;
  color: #666;
}
.socials {
  display: flex;
  justify-content: space-around;
}
.social {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: #e0e5ec;
  box-shadow: 6px 6px 10px #c2c8d0, -6px -6px 10px #ffffff;
  font-size: 1.2em;
  cursor: pointer;
}