* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #f4f6fb;
  color: #111827;
}
.page {
  max-width: 1400px;
  margin: 20px auto;
  padding: 0 16px 24px;
}
.panel {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
}
h1, h2 {
  margin: 0 0 12px 0;
  font-weight: 700;
}
.form-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
  align-items: center;
}
input {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}
.actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}
button {
  border: 1px solid #2563eb;
  background: #2563eb;
  color: #fff;
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
}
button[disabled] {
  opacity: .45;
  cursor: not-allowed;
}
.btn-secondary {
  border-color: #94a3b8;
  background: #fff;
  color: #0f172a;
}
.status {
  margin-top: 10px;
  min-height: 22px;
  color: #1d4ed8;
}
.summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(160px, 1fr));
  gap: 10px;
}
.card {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px;
  background: #f8fafc;
}
.card .k {
  font-size: 12px;
  color: #475569;
}
.card .v {
  margin-top: 4px;
  font-size: 18px;
  font-weight: 700;
}
.table-wrap {
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  border: 1px solid #e5e7eb;
  padding: 8px 9px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}
td:last-child {
  max-width: 420px;
  white-space: normal;
  word-break: break-word;
}
.row-merged {
  background: #fef3c7;
}
.row-multi {
  background: #dbeafe;
}
.cell-op {
  white-space: nowrap;
}
.mini-btn {
  border: 1px solid #2563eb;
  background: #fff;
  color: #1d4ed8;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  margin-right: 6px;
}
.mini-btn.del {
  border-color: #dc2626;
  color: #dc2626;
}
.legend {
  margin-top: 10px;
  font-size: 12px;
  color: #334155;
}
.legend .chip {
  display: inline-block;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 2px 8px;
  margin-right: 8px;
}
.legend .chip.merged { background: #fef3c7; }
.legend .chip.multi { background: #dbeafe; }
.modal-wrap {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal-wrap.show {
  display: flex;
}
.modal {
  width: min(920px, calc(100vw - 32px));
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
}
.modal-head {
  padding: 14px 16px;
  border-bottom: 1px solid #e2e8f0;
}
.modal-head h3 {
  margin: 0;
}
.modal-body {
  padding: 14px 16px;
}
.modal-grid {
  display: grid;
  grid-template-columns: 90px 1fr 90px 1fr;
  gap: 10px 12px;
  align-items: center;
}
.modal-actions {
  border-top: 1px solid #e2e8f0;
  padding: 12px 16px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}