body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  background: #001e48;
  background: linear-gradient(135deg, #001e48 0%, #175059 50%, #823311 100%);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 450px;
  padding: 20px;
}

.section {
  display: block;
}

.section.hidden {
  display: none;
}

.card {
  background-color: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(130, 51, 17, 0.1);
  text-align: center;
  border: 3px solid #faeac3;
}

h1 {
  font-family: 'Luckiest Guy', Arial Black, Arial, sans-serif;
  font-size: 2rem;
  color: #001e48;
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-shadow: 1px 1px 0 #faeac3;
}

.card p {
  color: #175059;
  margin-bottom: 24px;
  font-size: 1.1rem;
}

.form input {
  width: 100%;
  padding: 12px;
  margin-bottom: 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
}

.btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 12px;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.btn.btn-primary {
  background-color: #ed8824;
  color: white;
  box-shadow: 0 4px 0 #823311;
}

.btn.btn-primary:hover {
  background-color: #eb7317;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #823311;
}

.btn.btn-secondary {
  background-color: #175059;
  color: white;
  box-shadow: 0 4px 0 #001e48;
}

.btn.btn-secondary:hover {
  background-color: #1a5762;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #001e48;
}

.btn.btn-logout {
  background-color: #823311;
  color: white;
  box-shadow: 0 4px 0 #001e48;
  margin-top: 16px;
}

.btn.btn-logout:hover {
  background-color: #6b2a0e;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #001e48;
}

.action-buttons {
  margin: 24px 0;
}

.action-buttons .btn {
  margin: 8px 0;
}

.user-info {
  margin: 20px 0;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #ed8824;
}

.user-info p {
  margin: 8px 0;
  color: #175059;
}

.navigation-links {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #eee;
}

.navigation-links a {
  color: #175059;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.navigation-links a:hover {
  color: #ed8824;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #ed8824;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 8px;
}

.spinner.hidden {
  display: none;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.error-message {
  background-color: #f8d7da;
  color: #721c24;
  padding: 12px;
  border-radius: 6px;
  margin-top: 12px;
  border: 1px solid #f5c6cb;
}

.error-message.hidden {
  display: none;
}

/* Responsive design */
@media (max-width: 480px) {
  .container {
    padding: 15px;
    max-width: 95%;
  }
  
  .card {
    padding: 30px 25px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
}