body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #cfefff;
  color: #000;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.card {
  background: #ffffff;
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #aaa;
  margin-bottom: 12px;
  width: 100%;
  max-width: 300px;
}

button {
  background-color: #00aaff;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #0077aa;
}

#angleResult,
#timeResults {
  margin-top: 15px;
  font-size: 1.1rem;
  font-weight: bold;
}

footer {
  margin-top: 30px;
  font-size: 0.9rem;
  color: #333;
}