body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b1020;
  color: #f5f5f5;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 24px;
  background: #141b2f;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

h1 {
  margin-top: 0;
  font-size: 1.8rem;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

label {
  font-weight: 600;
}

textarea {
  width: 100%;
  padding: 10px;
  background: #0f1624;
  border-radius: 8px;
  border: 1px solid #2b3555;
  color: #fff;
  resize: vertical;
}

input[type="number"] {
  width: 120px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid #2b3555;
  background: #0f1624;
  color: #fff;
}

button {
  padding: 10px 16px;
  border-radius: 8px;
  background: #3b82f6;
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: #2563eb;
}

.results {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #2b3555;
}

.results ul {
  list-style: none;
  padding-left: 0;
}

.results li {
  margin-bottom: 4px;
}