:root {
  --ink: #14202b;
  --muted: #5b6b7a;
  --line: #d6dee6;
  --brand: #1f4e79;
  --brand-soft: #eaf1f8;
  --warn: #8a4b00;
  --err: #a1121f;
  --ok: #17683a;
  --bg: #ffffff;
  --panel: #f7fafc;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  word-break: keep-all;
}

main { max-width: 980px; margin: 0 auto; padding: 20px 16px 48px; }

h1 { font-size: 1.7rem; line-height: 1.3; margin: 8px 0 16px; }
h2 { font-size: 1.2rem; margin: 32px 0 10px; }
h3 { font-size: 1.02rem; margin: 20px 0 8px; }

p, li { max-width: 74ch; }
p { margin: 0 0 12px; }

a { color: var(--brand); }
a:hover { text-decoration: none; }

.lead { font-size: 1.03rem; color: #23313d; }

.muted { color: var(--muted); }
.small { font-size: 0.84rem; }
.strong { font-weight: 700; }
.req { color: var(--err); font-size: 0.72rem; font-weight: 600; }

.chrome { background: var(--panel); border-bottom: 1px solid var(--line); }
.chrome .in { max-width: 980px; margin: 0 auto; padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: baseline; }
.chrome a { color: var(--ink); text-decoration: none; font-size: 0.94rem; }
.chrome a:hover { color: var(--brand); }
.chrome a[aria-current="page"] { color: var(--brand); font-weight: 700; }
.brand { font-weight: 800; color: var(--brand) !important; }
footer.chrome { border-top: 1px solid var(--line); border-bottom: 0; margin-top: 40px; }
footer .in { display: block; padding: 18px 16px 28px; }
footer section { margin: 10px 0; }
footer h2 { font-size: 0.82rem; margin: 0 0 4px; color: var(--muted); font-weight: 700; }
footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; }
footer li { font-size: 0.88rem; }
.disc { font-size: 0.82rem; color: var(--muted); max-width: 76ch; }

.tool-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 14px 6px;
  margin: 16px 0 20px;
}
.tool-card h2 { margin-top: 4px; }

.files { display: grid; gap: 10px; }
.file-label {
  display: block;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px 12px;
  font-size: 0.92rem;
  font-weight: 600;
}
.file-label input { display: block; margin-top: 6px; font-size: 0.86rem; width: 100%; }

.form-grid, .map-grid { display: grid; gap: 10px; }
.form-grid label, .map-field { display: grid; gap: 4px; font-size: 0.88rem; color: var(--muted); }
.form-field, .form-grid input, .form-grid select, .map-field select {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
.form-grid input, .form-grid select { color: var(--ink); }

.map-group { border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 10px 12px; margin: 0 0 12px; }
.map-group legend { font-size: 0.9rem; font-weight: 700; padding: 0 6px; }

.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 14px 0; }

button, .cta {
  font: inherit;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.primary, .cta {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
button.primary:disabled { background: #9fb3c6; border-color: #9fb3c6; cursor: not-allowed; }
.cta.secondary { background: #fff; color: var(--brand); border-color: var(--brand); }

.tool-err { color: var(--err); font-weight: 600; min-height: 1.2em; }
.warn { color: var(--warn); }
.warn-list, .err-list { padding-left: 18px; font-size: 0.88rem; }
.warn-list li { color: var(--warn); }
.err-list li { color: var(--err); }

.filter-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 8px 0 4px; }
.filter { display: inline-flex; gap: 6px; align-items: center; font-size: 0.86rem; color: var(--muted); }
.filter select { font: inherit; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }

.summary { display: grid; gap: 10px; margin: 12px 0; }
.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  background: #fff;
}
.card span { display: block; font-size: 0.8rem; color: var(--muted); }
.card strong { font-size: 1.5rem; font-variant-numeric: tabular-nums; }

.tw { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 10px 0 16px; }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 0.86rem; }
th, td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
thead th { background: var(--brand-soft); font-size: 0.8rem; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.sku { min-width: 140px; }
tbody tr:nth-child(even) { background: #fbfdff; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.74rem; font-weight: 700; white-space: nowrap; }
.badge-order { background: #fdecea; color: var(--err); }
.badge-soon { background: #fff4e0; color: var(--warn); }
.badge-ok { background: #e7f5ec; color: var(--ok); }
.badge-dead { background: #eef0f3; color: #46545f; }
.badge-error { background: #2b1214; color: #fff; }

details summary { cursor: pointer; font-size: 0.84rem; color: var(--brand); }
.steps, .notes { padding-left: 18px; font-size: 0.8rem; margin: 6px 0; }
.steps li { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.notes .note { color: var(--warn); }

.grid { display: grid; gap: 10px; margin: 12px 0 18px; }
.tile {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
}
.tile strong { display: block; color: var(--brand); }
.tile span { font-size: 0.86rem; color: var(--muted); }

.check { padding-left: 20px; }
.check li { margin: 6px 0; }

.related ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 16px; }
.related li { font-size: 0.9rem; }
.updated { font-size: 0.82rem; color: var(--muted); }

.faq details { border-bottom: 1px solid var(--line); padding: 8px 0; }
.faq summary { font-weight: 700; font-size: 0.95rem; }

.doc-sheet { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.sheet-head h1 { font-size: 1.3rem; margin: 0 0 4px; }
.order-group h2 { font-size: 1rem; margin: 18px 0 6px; }
.sheet-total { margin-top: 14px; font-size: 1rem; }
.doc-note { font-size: 0.78rem; color: var(--muted); margin-top: 12px; }

@media (min-width: 720px) {
  main { padding: 28px 24px 64px; }
  h1 { font-size: 2rem; }
  .summary { grid-template-columns: repeat(3, 1fr); }
  .files { grid-template-columns: repeat(3, 1fr); }
  .form-grid { grid-template-columns: repeat(3, 1fr); }
  .map-grid { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media print {
  @page { size: A4; margin: 14mm 12mm; }
  body { font-size: 11pt; color: #000; background: #fff; }
  .chrome, .no-print, #site-chrome-nav, #site-chrome-footer { display: none !important; }
  main { max-width: none; padding: 0; margin: 0; }
  h1 { font-size: 16pt; }
  .doc-sheet { border: 0; padding: 0; }
  .tw { overflow: visible; }
  table { min-width: 0; font-size: 9.5pt; }
  th, td { border-color: #999; padding: 4px 6px; }
  a { color: #000; text-decoration: none; }
  .doc-sheet, .order-group { break-inside: avoid; }
}