/* Global Layout */
html, body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  background-color: #f8f9fa;
}

main {
  flex: 1 0 auto;
  padding-bottom: 80px; /* Space for fixed footer */
}

/* Navbar and Footer */
nav, footer {
  flex-shrink: 0;
}

footer {
  background-color: #212529;
  color: white;
  text-align: center;
  padding: 1.5rem;
  width: 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  font-size: 0.9rem;
  z-index: 1000;
}

/* Payment Form Container */
.form-container {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
}

.form-container h2 {
  color: #212529;
  font-weight: 600;
}

.form-container .alert-info {
  background-color: #e7f3ff;
  border-color: #b3d7ff;
  border-left: 4px solid #0d6efd;
}

.form-container .alert-info h5 {
  color: #004085;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Buttons */
.btn-primary {
  background-color: #0070ba;
  border-color: #0070ba;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #005a94;
  border-color: #005a94;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 112, 186, 0.3);
}

.btn-outline-secondary {
  font-weight: 500;
}

/* Security Badge */
.text-muted {
  color: #6c757d;
}

/* Responsive Design */
@media (max-width: 576px) {
  .form-container {
    margin: 1rem;
    padding: 1.5rem;
  }
  
  main {
    padding-bottom: 100px;
  }
  
  footer {
    font-size: 0.8rem;
    padding: 1rem;
  }
}

@media (min-width: 768px) {
  .form-container {
    max-width: 500px;
  }
}