body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f7fa;
  color: #333;
}

header {
  background: #1e88e5;
  color: white;
  padding: 30px;
  text-align: center;
}

.balance {
  text-align: center;
  margin: 30px 0;
}

#balance {
  font-size: 2.5rem;
  font-weight: bold;
  color: #1e88e5;
}

.charities {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

.charity {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.charity h3 {
  margin-top: 0;
}

button {
  background: #1e88e5;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover {
  background: #1565c0;
}

span {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #666;
}

.logo {
  height: 50px;
  margin-bottom: 10px;
}

#login {
  text-align: center;
  padding: 10px;
}

.navbar {
  background: #ffffff;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.navbar a {
  margin-left: 15px;
  text-decoration: none;
  color: #1e88e5;
  font-weight: bold;
}

.admin-hidden {
  display: none;
}
.admin-visible {
  display: block;
}