* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 "Microsoft YaHei UI", "Segoe UI", sans-serif; color: #1c1915; background: #f6f3ee; }
.topbar { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; padding: 14px 28px; background: #231c16; color: #f6f3ee; }
.brand { font-weight: 700; }
.main-nav { display: flex; gap: 16px; }
.main-nav a { color: #f6f3ee; text-decoration: none; padding: 6px 0; }
.main-nav a.active { text-decoration: underline; }
.identity { margin-left: auto; }
.identity button, button { font: inherit; }
main { max-width: 1080px; margin: 0 auto; padding: 28px; }
form.issue, form label { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
input { font: inherit; width: 100%; max-width: 420px; padding: 10px 12px; border: 1px solid #c8bfb2; border-radius: 6px; background: white; }
button { padding: 10px 16px; border: 0; border-radius: 6px; background: #8a4b22; color: white; cursor: pointer; }
table { width: 100%; border-collapse: collapse; background: white; margin-top: 18px; }
th, td { padding: 10px 12px; border-bottom: 1px solid #eadfce; text-align: left; vertical-align: top; }
.actions form { display: inline-flex; gap: 6px; margin: 0 8px 8px 0; align-items: center; }
.actions input { width: 7em; max-width: none; }
.error { color: #8d1d1d; }
.warn { color: #8a4b22; }
.code code { font-size: 18px; display: inline-block; max-width: 100%; word-break: break-all; }
code { background: white; padding: 4px 8px; border-radius: 6px; }

@media (max-width: 720px) {
  .topbar { padding: 12px 16px; }
  .brand { flex: 1 1 auto; }
  .main-nav { order: 3; width: 100%; }
  .identity { margin-left: 0; }
  .identity button { min-height: 40px; }
  main { padding: 16px; }
  h1 { font-size: 1.35rem; }
  input, button { min-height: 44px; font-size: 16px; }
  form.issue button { width: 100%; max-width: 420px; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  table { background: transparent; }
  tr { background: white; border: 1px solid #eadfce; border-radius: 10px; margin: 0 0 12px; padding: 6px 0; }
  td { border: 0; display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
  td::before { content: attr(data-label); color: #7a7168; flex: 0 0 5.2em; }
  td.actions { display: block; }
  td.actions::before { content: none; }
  .actions form { display: flex; width: 100%; margin: 8px 0 0; }
  .actions input { flex: 1; width: auto; }
  .actions button { flex: 0 0 auto; }
}