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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f0f1a;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  background: #1a1a2e;
  border-radius: 16px;
  padding: 32px;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

h1 {
  font-size: 1.8rem;
  color: #fff;
  text-align: center;
  margin-bottom: 4px;
}

.subtitle {
  text-align: center;
  color: #888;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

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

label {
  font-size: 0.85rem;
  color: #aaa;
  font-weight: 500;
}

input[type="number"] {
  background: #16213e;
  border: 1px solid #2a2a4a;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 1rem;
  color: #fff;
  outline: none;
  transition: border-color 0.2s;
}

input[type="number"]:focus {
  border-color: #6c63ff;
}