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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #1e1e28;
  color: #f0f0f5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.card {
  background: #2a2a38;
  border-radius: 16px;
  padding: 32px 24px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
  color: #4682dc;
}

p {
  color: #b8b8c8;
  line-height: 1.5;
  margin-bottom: 20px;
}

#status {
  font-size: 0.9rem;
  padding: 10px 14px;
  border-radius: 8px;
  background: #33333f;
  margin-bottom: 16px;
}

#status.online {
  background: #1f4d2f;
  color: #7fe0a0;
}

#status.offline {
  background: #4d1f1f;
  color: #e07f7f;
}

button {
  background: #4682dc;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 1rem;
  cursor: pointer;
  width: 100%;
}

button:hover {
  background: #3a6dc0;
}

button:disabled {
  background: #555566;
  cursor: not-allowed;
}