* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Segoe UI", "PingFang SC", sans-serif;
  background: linear-gradient(160deg, #f4f0ec, #f7f9ff 45%, #f2f7ff);
  color: #1f2937;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin-top: 0;
  font-size: 1.6rem;
}

.card {
  background: white;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
}

label {
  display: block;
  margin-bottom: 12px;
}

input,
select,
button {
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}

button {
  width: auto;
  min-width: 180px;
  background: #0f172a;
  color: #fff;
  border: 0;
  cursor: pointer;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.inline {
  display: flex;
  align-items: center;
  width: auto;
}

.inline input {
  width: auto;
  margin: 0 6px 0 0;
}

#status,
#result {
  white-space: pre-wrap;
}

#result ul {
  margin: 0;
  padding-left: 22px;
}

.hidden {
  display: none;
}