:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #667085;
  --line: #d7dde5;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --soft: #eef4ff;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 18px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 22px;
  font-weight: 700;
}

h2 {
  font-size: 16px;
  font-weight: 700;
}

.topbar p {
  color: var(--muted);
  margin-top: 4px;
}

.actions,
.rowHead {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.docSwitch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: #fff;
}

.docSwitch button {
  border: 0;
  border-radius: 0;
  min-height: 34px;
}

.docSwitch button + button {
  border-left: 1px solid var(--line);
}

.docSwitch button.active {
  background: var(--accent);
  color: #fff;
}

button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  min-height: 36px;
  padding: 0 13px;
  cursor: pointer;
  font: inherit;
}

button:hover {
  border-color: var(--accent);
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover {
  background: var(--accent-dark);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(440px, 0.95fr) minmax(520px, 1.05fr);
  gap: 18px;
  padding: 18px;
  max-width: 1680px;
  margin: 0 auto;
}

.formPane,
.previewPane {
  min-width: 0;
}

form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.sectionHead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 0 10px;
  border-top: 1px solid var(--line);
}

.sectionHead:first-child {
  border-top: 0;
  padding-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stack {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  min-height: 36px;
  padding: 8px 10px;
  font: inherit;
}

textarea {
  min-height: 72px;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--soft);
  border-color: var(--accent);
}

.items {
  display: grid;
  gap: 10px;
}

.itemRow {
  display: grid;
  grid-template-columns: 0.75fr 1.5fr 0.75fr 0.75fr 0.75fr 0.8fr auto;
  gap: 10px;
  align-items: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.itemRow textarea {
  min-height: 36px;
}

.itemRow button {
  color: var(--danger);
}

.previewPane {
  position: sticky;
  top: 88px;
  align-self: start;
}

.previewTools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 42px;
  padding: 0 2px;
  color: var(--muted);
}

.templateStatus {
  min-height: 26px;
  color: var(--muted);
  font-size: 13px;
  padding: 4px 2px 8px;
}

.contractPaper {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: min(100%, 794px);
  min-height: 1123px;
  margin: 0 auto;
  padding: 30px 34px;
  color: #111827;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  font-size: 13px;
}

.contractPaper h2 {
  text-align: center;
  font-size: 22px;
  letter-spacing: 0;
  margin: 4px 0 14px;
}

.contractPaper .companyTitle {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 2px;
}

.contractPaper .enTitle,
.contractPaper .docContact {
  text-align: center;
}

.contractPaper .enTitle {
  font-size: 13px;
  font-weight: 700;
}

.contractPaper .docContact {
  margin: 6px 0 12px;
}

.contractPaper .meta,
.contractPaper .signGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.contractPaper p {
  margin: 8px 0;
}

.contractPaper table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  table-layout: fixed;
}

.contractPaper th,
.contractPaper td {
  border: 1px solid #333;
  padding: 5px;
  vertical-align: middle;
  word-break: break-word;
}

.contractPaper th {
  background: #f1f5f9;
  font-weight: 700;
}

.contractPaper .right {
  text-align: right;
}

.contractPaper .terms {
  white-space: pre-wrap;
}

.contractPaper .signGrid {
  margin-top: 18px;
}

.pickupMeta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
  margin: 10px 0 12px;
}

.pickupSign {
  margin-top: 18px;
  text-align: left;
}

.driverInfo {
  margin-top: 18px;
}

.suitePage {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--line);
}

.suitePage:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.contractPaper .signBlock {
  position: relative;
  min-height: 180px;
}

.seal {
  position: absolute;
  right: 26px;
  bottom: 12px;
  width: 132px;
  height: 132px;
  border: 4px solid rgba(190, 24, 24, 0.82);
  border-radius: 50%;
  color: rgba(190, 24, 24, 0.82);
  display: grid;
  place-items: center;
  text-align: center;
  transform: rotate(-12deg);
  font-weight: 700;
  pointer-events: none;
}

.seal::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(190, 24, 24, 0.72);
  border-radius: 50%;
}

.seal span {
  max-width: 96px;
  line-height: 1.2;
  font-size: 14px;
  z-index: 1;
}

.seal strong {
  position: absolute;
  bottom: 26px;
  font-size: 13px;
  z-index: 1;
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .previewPane {
    position: static;
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px;
  }

  .workspace {
    padding: 10px;
  }

  form,
  .contractPaper {
    padding: 12px;
  }

  .grid,
  .contractPaper .meta,
  .contractPaper .signGrid,
  .pickupMeta {
    grid-template-columns: 1fr;
  }

  .itemRow {
    grid-template-columns: 1fr;
  }
}

@media print {
  @page {
    size: A4 portrait;
    margin: 8mm;
  }

  body {
    background: #fff;
  }

  .topbar,
  .formPane,
  .previewTools {
    display: none;
  }

  .workspace {
    display: block;
    padding: 0;
  }

  .previewPane {
    position: static;
  }

  .contractPaper {
    border: 0;
    box-shadow: none;
    border-radius: 0;
    width: auto;
    padding: 0;
    min-height: auto;
    font-size: 9pt;
    line-height: 1.22;
  }

  .contractPaper h2 {
    font-size: 15pt;
    margin: 1mm 0 2mm;
  }

  .contractPaper .companyTitle {
    font-size: 12pt;
    margin-bottom: 0;
  }

  .contractPaper .enTitle {
    font-size: 8pt;
  }

  .contractPaper .docContact {
    margin: 1mm 0 2mm;
  }

  .contractPaper .meta,
  .contractPaper .signGrid,
  .pickupMeta {
    grid-template-columns: 1fr 1fr;
    gap: 2mm 7mm;
  }

  .contractPaper p {
    margin: 1.5mm 0;
  }

  .contractPaper table {
    margin: 2mm 0;
    font-size: 8.5pt;
  }

  .contractPaper th,
  .contractPaper td {
    padding: 2px 3px;
  }

  .contractPaper .signGrid {
    margin-top: 4mm;
  }

  .contractPaper .signBlock {
    min-height: 28mm;
  }

  .seal {
    width: 25mm;
    height: 25mm;
    right: 10mm;
    bottom: 0;
    border-width: 2px;
  }

  .seal::before {
    inset: 2mm;
  }

  .seal span {
    max-width: 20mm;
    font-size: 7pt;
  }

  .seal strong {
    bottom: 5mm;
    font-size: 6.5pt;
  }

  .pickupSign {
    margin-top: 4mm;
  }

  .driverInfo {
    margin-top: 4mm;
  }

  .suitePage {
    break-after: page;
    page-break-after: always;
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
  }

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