body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f0f14;
  color: #fff;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

.subtitle {
  margin: 0 0 24px;
  color: #b8b8c7;
}

.card {
  background: #1a1a24;
  border: 1px solid #2b2b39;
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 16px;
}

label {
  display: block;
  margin: 12px 0 6px;
  color: #d7d7e3;
  font-size: 14px;
}

input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #333347;
  background: #11111a;
  color: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
}

button {
  margin-top: 16px;
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(90deg, #6f4bff, #9d4dff);
  color: white;
}

.status {
  min-height: 24px;
  margin: 8px 0 16px;
  color: #c9c9d8;
}

.hidden {
  display: none;
}

pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  line-height: 1.5;
}