:root {
  --primary-color: #1f4e8c;
  --secondary-color: #2a70c7;
  --accent-color: #e63946;
  --success-color: #2ecc71;
  --warning-color: #f39c12;
  --error-color: #e74c3c;
  --text-dark: #333333;
  --text-light: #ffffff;
  --text-muted: #6c757d;
  --bg-light: #f8f9fa;
  --bg-dark: rgba(0, 0, 0, 0.7);
  --border-radius: 8px;
  --box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background-image: url('https://eurosiva.anestesia.org.ar/assets/images/FondoWeb.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text-dark);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 16px;
  z-index: 1;
}

.login-card {
  background-color: var(--bg-light);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  animation: fadeIn 0.5s ease;
}

.login-header {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 24px;
  text-align: center;
}

.login-header h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
}

.login-header p {
  font-size: 16px;
  font-weight: 300;
}

form {
  padding: 24px;
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-dark);
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--secondary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(42, 112, 199, 0.2);
}

.error-message {
  color: var(--error-color);
  font-size: 14px;
  margin-top: 4px;
  display: none;
}

.remember-me {
  display: flex;
  align-items: center;
}

.remember-me input {
  margin-right: 8px;
}

.remember-me label {
  margin-bottom: 0;
  cursor: pointer;
}

button {
  width: 100%;
  padding: 14px;
  background-color: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

button:hover {
  background-color: var(--secondary-color);
}

button:active {
  transform: translateY(1px);
}

.text-center {
  text-align: center;
}

.forgot-password {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.forgot-password:hover {
  color: var(--secondary-color);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius);
  margin-top: 16px;
  display: none;
}

.error-alert {
  background-color: rgba(231, 76, 60, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--text-light);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

@keyframes spin {
  to {
    transform: translateY(-50%) rotate(360deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */
@media (max-width: 480px) {
  .login-container {
    padding: 8px;
  }
  
  .login-header {
    padding: 16px;
  }
  
  .login-header h1 {
    font-size: 24px;
  }
  
  form {
    padding: 16px;
  }
}