@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&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, #e2e2e2, #c9d6ff);
}

.container {
  position: relative;
  width: 850px;
  height: 550px;
  background: #fff;
  margin: 20px;
  border-radius: 30px;
  box-shadow: 0 0 30px rgba(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: .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;
}

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

.forgot-link a {
  font-size: 14.5px;
  color: #BA2D36;
}

.btn {
  width: 100%;
  height: 48px;
  background: #283580;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, .1);
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: #fff;
  font-weight: 600;
}

.social-icons {
  display: flex;
  justify-content: center;
}

.social-icons a {
  display: inline-flex;
  padding: 10px;
  border: 2px solid #283580;
  border-radius: 8px;
  font-size: 24px;
  color: #283580;
  margin: 0 8px;
}

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

.toggle-box::before {
  content: '';
  position: absolute;
  left: -250%;
  width: 300%;
  height: 100%;
  background: #283580;
  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: .6s ease-in-out;
}

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

.container.active .toggle-panel.toggle-left {
  left: -50%;
  transition-delay: .6s;
}

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

@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; }
}

/* Logo ajustado */
.logo {
  width: 120px;
  margin: 0 auto 20px;
  display: block;
}

/* ============================ */
/* Estilos para recuperación de contraseña */
/* ============================ */
.hidden {
  display: none;
}

.reset-container {
  margin: 15px 0;
  padding: 15px;
  background: #f9f9f9;
  border-radius: 8px;
}

.reset-container p {
  margin-bottom: 8px;
  font-size: 14px;
  color: #333;
}

.reset-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.btn.alt {
  background: transparent;
  color: #333;
  border: 1px solid #333;
}

.btn.alt:hover {
  background: #BA2D36;
  color: #fff;
}

/* ============================ */
/* Animaciones para mostrar/ocultar formularios */
/* ============================ */
.fade-in {
  animation: fadeIn 0.3s ease-in forwards;
}

.fade-out {
  animation: fadeOut 0.3s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(10px); }
}

.floating-msg {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: #283580;
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  font-weight: 500;
  transition: all 0.3s ease;
  z-index: 9999;
}

.floating-msg.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================ */
/* Botón fijo de volver atrás  */
/* ============================ */
.back-btn {
  position: fixed;
  top: 30px;
  left: 30px;
  width: 44px;
  height: 44px;
  background: #283580;
  border: none;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease;
  z-index: 1000;
}

.back-btn:hover {
  background: #1f285d;
}

.back-btn svg {
  width: 20px;
  height: 20px;
  stroke: white;
}