body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f1f5f9;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  transition: background 0.3s ease;
}

.card {
  background: white;
  padding: 30px 40px;
  border-radius: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  width: 90%;
  max-width: 400px;
}

input, select {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 10px;
  border: none;
  box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}

.glow-button {
  padding: 10px 20px;
  border: none;
  background: #00c853;
  color: white;
  font-weight: bold;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 0 15px #00c853;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.glow-button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px #00e676;
}

.dark-mode {
  background: #121212;
}

.dark-mode .card {
  background: #1e1e1e;
  color: white;
}

.dark-mode input, .dark-mode select {
  background: #2c2c2c;
  color: white;
}

.dark-toggle {
  position: absolute;
  top: 10px;
  right: 20px;
}

.dark-toggle button {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
}