* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  height: 100vh;
  background: url('img/viornery3.jpeg') no-repeat center center fixed;
  background-size: 90%;
  
}

/* Capa oscura encima de la imagen */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:rgba(15, 23, 42, 0.65); 
  z-index: 1;
}

/* Caja login */
.login-container {
  position: relative;
  z-index: 2;
  width: 360px;
  margin: 120px auto;
  padding: 30px;
  background: rgba(17, 24, 39, 0.55);
  border-radius: 12px;
  text-align: center;
  color: #fff;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
 
}

.login-container h1 {
  margin-bottom: 5px;
  font-size: 32px;
}

.login-container p {
  font-size: 14px;
  color: #9ca3af;
  margin-bottom: 20px;
}

.login-container input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: none;
  border-radius: 6px;
  font-size: 14px;
}

.login-container button {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  background: linear-gradient(135deg, #2563eb, #1e40af);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  cursor: pointer;
  
}

.login-container button:hover {
  background: #1d4ed8;
}

.error {
  background: #991b1b;
  padding: 10px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 10px;
}

.footer {
  margin-top: 20px;
  font-size: 12px;
  color: #9ca3af;
  opacity: 0.7;
}