body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f3f4f6;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: white;
  padding: 2.5rem 3rem;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 480px;
  text-align: center;
}

h1 {
  color: #1f2937;
  font-size: 1.6rem;
  margin-bottom: 1.75rem;
}

.telemetry-box {
  text-align: left;
  padding: 1.5rem;
  border-radius: 12px;
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
}

.data-entry {
  margin-bottom: 0.8rem;
  font-size: 1.05rem;
}

.label {
  font-weight: 600;
  color: #374151;
  margin-right: 0.3rem;
}

.error {
  color: #dc2626;
  font-weight: bold;
}

.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0.4; transform: scale(0.97); }
  to   { opacity: 1;   transform: scale(1); }
}
.update- {
  text-align: center;
  font-size: 0.9rem;
  color: #888;
  margin-top: 1rem;
}