* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: url('img/fondo-bantrab.jpg') no-repeat center center/cover;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.login-container {
  background-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border-radius: 18px;
  padding: 40px 30px;
  box-shadow: 0 9px 32px rgba(0,0,0,0.35);
  width: 100%;
  max-width: 400px;
  text-align: center;
  color: white;
}

.logo {
  width: 100px;
  margin-bottom: 20px;
}

h2 {
  margin-bottom: 20px;
  font-size: 1.8em;
}

input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: none;
  border-radius: 8px;
  font-size: 1em;
}

input::placeholder {
  color: #888;
}

.btn {
  background-color: #f7a600;
  color: white;
  font-weight: bold;
  padding: 12px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
  width: 100%;
  margin-top: 10px;
  display: inline-block;
  text-decoration: none;
}

.btn:hover {
  background-color: #d88b00;
}

.secondary-btn {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid white;
}

.extra-links {
  margin-top: 15px;
}

.extra-links a {
  color: white;
  text-decoration: none;
  font-size: 0.9em;
}

.extra-links a:hover {
  text-decoration: underline;
}

video {
  margin-top: 15px;
  border-radius: 12px;
  width: 100%;
  max-width: 300px;
}

/* 📱 Teléfonos pequeños */
@media screen and (max-width: 480px) {
  .login-container {
    padding: 25px 20px;
  }

  h2 {
    font-size: 1.5em;
  }

  .logo {
    width: 80px;
  }

  .btn {
    font-size: 0.95em;
  }
}

/* 📲 Tablets y pantallas medianas */
@media screen and (min-width: 481px) and (max-width: 768px) {
  .login-container {
    padding: 35px 25px;
  }

  h2 {
    font-size: 1.6em;
  }

  .logo {
    width: 90px;
  }
}

/* 💻 Pantallas grandes */
@media screen and (min-width: 1024px) {
  .login-container {
    max-width: 450px;
  }
}

#modal-camara {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  padding: 20px;
  border-radius: 16px;
  display: none;
  flex-direction: column;
  align-items: center;
  z-index: 1000;
}

#modal-camara video {
  width: 240px;
  border-radius: 12px;
  margin-bottom: 15px;
}

#modal-camara button {
  background-color: #f7a600;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

#modal-camara button:hover {
  background-color: #d88b00;
}