:root {
  --paper-width: 420mm;
  --paper-height: 297mm;
  --gap: 4mm;
  --border: #111;
  --highlight: #fff200;
  --paper-padding: 8mm;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: #f3f4f6;
  color: #111827;
}

.app { max-width: 1200px; margin: 0 auto; padding: 24px; }

.panel {
  background: white;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  margin-bottom: 20px;
}

h1 { margin: 0 0 8px; font-size: 28px; }
.hint { margin: 0 0 16px; color: #4b5563; line-height: 1.5; }

.controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

label { display: block; font-weight: 700; font-size: 13px; margin-bottom: 6px; }

input, select, button {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  background: white;
}

button { cursor: pointer; border: 0; font-weight: 800; background: #111827; color: white; }
button.secondary { background: #e5e7eb; color: #111827; }

.pasteBox {
  min-height: 160px;
  border: 2px dashed #9ca3af;
  border-radius: 14px;
  padding: 14px;
  background: #fafafa;
  overflow: auto;
  line-height: 1.45;
}

.status { margin-top: 10px; font-weight: 700; color: #374151; }

.previewWrap {
  overflow: auto;
  padding: 16px;
  background: #e5e7eb;
  border-radius: 18px;
}

.paper {
  width: var(--paper-width);
  height: var(--paper-height);
  margin: 0 auto 16px auto;
  padding: var(--paper-padding);
  background: white;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  page-break-after: always;
  overflow: hidden;
}

.paper:last-child { page-break-after: auto; }

.grid { display: grid; gap: var(--gap); align-items: start; }

.nameTable {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  break-inside: avoid;
  page-break-inside: avoid;
  font-size: var(--print-font-size, 8pt);
}

.nameTable td {
  border: 0.35mm solid var(--border);
  padding: 0.65mm 1mm;
  height: var(--row-height, 5.1mm);
  vertical-align: middle;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.nameTable td.num { width: 15mm; font-weight: 800; }

.nameTable tr.highlight td {
  background: var(--highlight) !important;
  color: #d71920;
  font-weight: 900;
}

.emptyHint {
  text-align: center;
  color: #6b7280;
  padding: 36px;
  border: 2px dashed #d1d5db;
  border-radius: 14px;
}

@page {
  size: A3 landscape;
  margin: 6mm;
}

@media print {
  html, body {
    width: 420mm;
    min-height: 297mm;
    background: white;
  }

  .app { max-width: none; padding: 0; }
  .panel { display: none; }

  .previewWrap {
    padding: 0;
    margin: 0;
    background: white;
    box-shadow: none;
    border-radius: 0;
    overflow: visible;
  }

  .paper {
    width: 408mm;
    height: 285mm;
    margin: 0;
    padding: 0;
    box-shadow: none;
    overflow: hidden;
    page-break-after: always;
  }

  .paper:last-child { page-break-after: auto; }
}