body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f6f7fb;
  color: #1f2937;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem;
  display: grid;
  gap: 0.5rem;
}

input,
textarea,
select,
button {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #c9d1e3;
  border-radius: 6px;
  box-sizing: border-box;
}

.actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.error {
  color: #b91c1c;
}

.preview {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  display: inline-block;
  background: #e5edff;
  border: 1px solid #b8c8f5;
  border-radius: 999px;
  padding: 0.2rem 0.5rem;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .actions {
    grid-template-columns: 1fr;
  }
}