* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  background: #f6f7f9;
  color: #1f2937;
}
.shell { width: min(1120px, calc(100% - 32px)); margin: 32px auto; }
.narrow { width: min(720px, calc(100% - 32px)); }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
h1 { margin: 0 0 8px; font-size: 28px; }
h2 { font-size: 18px; }
p { color: #5b6472; }
.panel, .filters, .stats, .report-card, .missing {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 16px;
}
form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 600; }
input, textarea, button {
  font: inherit;
  border-radius: 6px;
  border: 1px solid #cfd5df;
  padding: 10px 12px;
}
textarea { resize: vertical; }
button {
  background: #2563eb;
  color: #fff;
  border: 0;
  cursor: pointer;
}
.filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
  margin: 20px 0;
}
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.stats { display: flex; gap: 20px; margin-bottom: 16px; }
.report-list { display: grid; gap: 12px; }
.report-card h3 { margin: 0 0 10px; }
.report-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field-title { font-weight: 700; margin-bottom: 4px; }
.history-panel { margin-top: 18px; }
.history-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.history-list { display: grid; gap: 12px; }
.history-card {
  border-top: 1px solid #e5e7eb;
  padding-top: 12px;
}
.history-card h3 { margin: 0 0 10px; }
pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 6px 0 12px;
  font: inherit;
  color: #374151;
}
.message.success { color: #047857; }
.message.error { color: #b91c1c; }
@media (max-width: 760px) {
  .topbar, .stats, .history-head { display: grid; }
  .filters, .report-grid { grid-template-columns: 1fr; }
}