body {
  font-family: 'Georgia', serif;
  margin: 0;
  background: url(fondo.png);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.contenedor {
  background: url(fondo2.png);
  padding: 30px;
  border-radius: 15px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
  text-align: center;
  position: relative;
}

.contenedor h2 {
  color: #3e2723;
  margin-bottom: 20px;
  font-size: 1.8rem;
}

.input-box {
  margin-bottom: 18px;
  text-align: left;
  position: relative;
}

.input-box label {
  display: block;
  font-weight: bold;
  color: #3e2723;
  margin-bottom: 5px;
}

.input-box input {
  width: 90%;
  padding: 10px 35px 10px 10px;
  border: 3px solid #0f0f0f;
  border-radius: 8px;
  font-size: 0.9rem;
  outline: none;
}

.input-box i {
  position: absolute;
  right: 10px;
  top: 38px;
  color: #6b3e26;
}

.error {
  color: #c62828;
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

.btn {
  width: 100%;
  background: #6b3e26;
  color: #fff;
  border: none;
  padding: 12px;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.3s;
}

.btn:hover {
  background: #8d5a44;
}

.logo {
  margin-top: 20px;
}

.logo img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
}

.privacidad{
  color: #0f0f0f;
  font-size: 30px;
}

a{
  color: #111111;
  text-decoration: none; 
  font-weight: bold;
  font-family: 'Segoe UI', cursive, sans-serif; 
  font-size: 1.1em;
}    

.modal {
  position: fixed;
  z-index: 1000;
  left: 0; top: 0;
  width: 100%; height: 100%;
  overflow: auto;
  background: rgba(0,0,0,0.4);
}

.input-box {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: 10px;
  top: 65%;
  transform: translateY(-50%);
  cursor: pointer;
  width: 20px;
  height: 20px;
  background-image: url('Mostrar.gif');
  background-repeat: no-repeat;
  background-size: contain;
}

.toggle-password.active {
  background-image: url('Mostrar.gif');
}

/* Dispositivos muy pequeños (móviles pequeños, 360px y menos) */
@media (max-width: 360px) {
  body {
    padding: 10px;
    height: auto;
  }
  
  .contenedor {
    padding: 15px;
    border-radius: 10px;
    width: 95%;
  }
  
  .contenedor h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
  }
  
  .logo img {
    width: 80px;
    height: 80px;
  }
  
  .btn {
    padding: 10px;
    font-size: 0.9rem;
  }
  
  .input-box input {
    padding: 8px 30px 8px 8px;
    font-size: 0.85rem;
  }
  
  .privacidad {
    font-size: 24px;
  }
  
  a {
    font-size: 1em;
  }
}

/* Móviles (361px - 480px) */
@media (min-width: 361px) and (max-width: 480px) {
  body {
    padding: 15px;
    height: auto;
  }
  
  .contenedor {
    width: 90%;
    padding: 20px;
    border-radius: 12px;
  }
  
  .logo img {
    width: 100px;
    height: 100px;
  }
  
  .contenedor h2 {
    font-size: 1.5rem;
  }
  
  .btn {
    font-size: 0.95rem;
    padding: 11px;
  }
}

/* Tablets pequeñas (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
  body {
    padding: 25px;
  }
  
  .contenedor {
    width: 85%;
    max-width: 450px;
    padding: 25px;
  }
  
  .logo img {
    width: 120px;
    height: 120px;
  }
  
  .contenedor h2 {
    font-size: 1.6rem;
  }
}

/* Tablets grandes (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .contenedor {
    width: 70%;
    max-width: 500px;
    padding: 35px;
  }
  
  .logo img {
    width: 140px;
    height: 140px;
  }
  
  .contenedor h2 {
    font-size: 1.7rem;
  }
  
  .btn {
    padding: 14px;
    font-size: 1.1rem;
  }
}

/* Escritorios grandes (1025px - 1440px) */
@media (min-width: 1025px) and (max-width: 1440px) {
  .contenedor {
    width: 400px;
    padding: 35px;
  }
  
  .logo img {
    width: 160px;
    height: 160px;
  }
}

/* Pantallas muy grandes (más de 1440px) */
@media (min-width: 1441px) {
  .contenedor {
    width: 450px;
    padding: 40px;
    transform: scale(1.05);
  }
  
  .logo img {
    width: 180px;
    height: 180px;
  }
  
  .contenedor h2 {
    font-size: 2rem;
  }
  
  .btn {
    padding: 15px;
    font-size: 1.1rem;
  }
  
  .input-box input {
    padding: 12px 40px 12px 12px;
    font-size: 1rem;
  }
}

/* Orientación landscape para móviles */
@media (max-height: 600px) and (orientation: landscape) {
  body {
    height: auto;
    min-height: 100vh;
    padding: 10px;
  }
  
  .contenedor {
    padding: 15px;
    margin: 10px 0;
  }
  
  .logo {
    margin-top: 10px;
  }
  
  .logo img {
    width: 60px;
    height: 60px;
  }
  
  .input-box {
    margin-bottom: 12px;
  }
}