@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  text-decoration: none;
  list-style: none;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(90deg, #996e6e, #415db9);
}

.container {
  position: relative;
  width: 850px;
  height: 750px;
  background: #fff;
  margin: 20px;
  border-radius: 30px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.container h1 {
  font-size: 36px;
  margin: -10px 0;
}

.container p {
  font-size: 14.5px;
  margin: 15px 0;
}

form {
  width: 100%;
}

.form-box {
  position: absolute;
  right: 0;
  width: 50%;
  height: 100%;
  background: #fff;
  display: flex;
  align-items: center;
  color: #333;
  text-align: center;
  padding: 40px;
  z-index: 1;
  transition: 0.6s ease-in-out 1.2s, visibility 0s 1s;
}

.container.active .form-box {
  right: 50%;
}

.form-box.register {
  visibility: hidden;
}

.container.active .form-box.register {
  visibility: visible;
}

.input-box {
  position: relative;
  margin: 30px 0;
}

.input-box input {
  width: 100%;
  padding: 13px 50px 13px 20px;
  background: #eee;
  border-radius: 8px;
  border: none;
  outline: none;
  font-size: 16px;
  color: #333;
  font-weight: 500;
}

.input-box input::placeholder {
  color: #888;
  font-weight: 400;
}

.input-box i {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
}

.error-message {
  color: #ff3333;
  font-size: 14px;
  margin-bottom: 15px;
}

.success-message {
  color: #33cc33;
  font-size: 14px;
  margin-bottom: 15px;
}

.forgot-link {
  margin: -15px 0 15px;
}

.forgot-link a {
  font-size: 14.5px;
  font-weight: bold;
  color: hsl(224, 100%, 67%);
}

.btn {
  width: 100%;
  height: 48px;
  background: #0a1830;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: #fff;
  font-weight: 600;
}

.back-btn {
  width: 100%;
  height: 48px;
  background: #ccc; /* Color de fondo gris */
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: #333; /* Color del texto */
  font-weight: 600;
  margin-top: 10px; /* Espacio superior */
  transition: background 0.3s ease;
}

.back-btn:hover {
  background: #bbb; /* Color al pasar el mouse */
}

.toggle-box {
  position: absolute;
  width: 100%;
  height: 100%;
}

.toggle-box::before {
  content: "";
  position: absolute;
  left: -250%;
  width: 300%;
  height: 100%;
  background: #0a1830;
  border-radius: 150px;
  z-index: 2;
  transition: 1.8s ease-in-out;
}

.container.active .toggle-box::before {
  left: 50%;
}

.toggle-panel {
  position: absolute;
  width: 50%;
  height: 100%;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 2;
  transition: 0.6s ease-in-out;
}

.toggle-panel.toggle-left {
  left: 0;
  transition-delay: 1.2s;
}

.container.active .toggle-panel.toggle-left {
  left: -50%;
  transition-delay: 0.6s;
}

.toggle-panel.toggle-right {
  right: -50%;
  transition-delay: 0.6s;
}

.container.active .toggle-panel.toggle-right {
  right: 0;
  transition-delay: 1.2s;
}

.toggle-panel p {
  margin-bottom: 20px;
}

.toggle-panel .btn {
  width: 160px;
  height: 46px;
  background: transparent;
  border: 2px solid #fff;
  box-shadow: none;
}

.password-requirements {
  font-size: 12px;
  color: #888;
  text-align: left;
  margin-top: -20px;
}

@media screen and (max-width: 650px) {
  .container {
    height: calc(100vh - 40px);
  }

  .form-box {
    bottom: 0;
    width: 100%;
    height: 70%;
  }

  .container.active .form-box {
    right: 0;
    bottom: 30%;
  }

  .toggle-box::before {
    left: 0;
    top: -270%;
    width: 100%;
    height: 300%;
    border-radius: 20vw;
  }

  .container.active .toggle-box::before {
    left: 0;
    top: 70%;
  }

  .container.active .toggle-panel.toggle-left {
    left: 0;
    top: -30%;
  }

  .toggle-panel {
    width: 100%;
    height: 30%;
  }

  .toggle-panel.toggle-left {
    top: 0;
  }

  .toggle-panel.toggle-right {
    right: 0;
    bottom: -30%;
  }

  .container.active .toggle-panel.toggle-right {
    bottom: 0;
  }
}

@media screen and (max-width: 400px) {
  .form-box {
    padding: 20px;
  }

  .toggle-panel h1 {
    font-size: 30px;
  }
}