:root {
  --ink: #16202b;
  --muted: #5a6672;
  --line: #d8dee6;
  --brand: #123a5e;
  --brand-soft: #eef3f9;
  --warn-bg: #fff4e5;
  --warn-line: #e0a35a;
  --danger: #a4232b;
  --danger-bg: #fdecec;
  --ok: #1c6b4a;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ink);
  background: #f7f8fa;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.65;
  font-size: 16px;
  overflow-wrap: anywhere;
}

.chrome { background: #fff; border-bottom: 1px solid var(--line); }
.chrome .in { max-width: 960px; margin: 0 auto; padding: 10px 16px; }

nav.chrome .in { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
nav.chrome .brand { font-weight: 700; color: var(--brand); text-decoration: none; margin-right: 4px; }
nav.chrome a { color: var(--ink); text-decoration: none; font-size: 14px; padding: 4px 2px; }
nav.chrome a[aria-current="page"] { color: var(--brand); font-weight: 700; border-bottom: 2px solid var(--brand); }

main { max-width: 780px; margin: 0 auto; padding: 20px 16px 40px; }

h1 { font-size: 1.55rem; line-height: 1.35; margin: 0 0 6px; color: var(--brand); letter-spacing: -0.01em; }
h2 { font-size: 1.12rem; margin: 28px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 6px; }
p { margin: 0 0 12px; }
ul, ol { margin: 0 0 12px; padding-left: 22px; }
li { margin: 0 0 6px; }
a { color: #14508c; }
a:hover { text-decoration: underline; }

.updated { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.lead { font-size: 1.02rem; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; margin: 2px 0 0; }
.error { color: var(--danger); font-weight: 600; margin: 8px 0; font-size: 14px; }
.notice { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 8px; padding: 12px; margin: 12px 0; font-size: 14px; }
.notice-n1 { border-left: 3px solid var(--line); padding-left: 12px; color: var(--muted); font-size: 13px; }
.verdict { font-size: 15px; margin: 10px 0; }
.linkrow { margin-top: 14px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
}

form.card { margin: 16px 0 24px; }
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
legend { font-weight: 700; padding: 0; margin-bottom: 8px; font-size: 15px; color: var(--brand); }

.field { margin: 0 0 14px; display: block; }
.field > span { display: block; font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.field.checkbox { display: flex; gap: 8px; align-items: flex-start; }
.field.checkbox span { font-weight: 400; margin: 0; }

input[type="text"], input[type="date"], input[type="number"], select, textarea {
  width: 100%;
  max-width: 100%;
  padding: 10px 12px;
  border: 1px solid #b9c2cc;
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #7aa7d6; outline-offset: 1px; }
textarea { resize: vertical; min-height: 72px; }
input[type="checkbox"] { width: 20px; height: 20px; margin: 2px 0 0; flex: 0 0 auto; }

.cta {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border: 1px solid var(--brand);
  border-radius: 8px;
  padding: 11px 16px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  margin: 4px 6px 4px 0;
}
.cta:hover { background: #0d2745; text-decoration: none; }
.cta.secondary { background: #fff; color: var(--brand); }
.cta.secondary:hover { background: var(--brand-soft); }
.cta[disabled] { opacity: 0.5; cursor: not-allowed; }

.badge {
  display: inline-block;
  background: #e6ecf4;
  color: var(--brand);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.due { background: #e6ecf4; color: var(--brand); }
.badge.soon { background: #fdeec9; color: #7a4a00; }
.badge.passed { background: var(--danger-bg); color: var(--danger); }
.badge.waiting { background: #eceff2; color: var(--muted); }
.badge.open { background: #e8f3ec; color: var(--ok); }
.badge.blocked { background: var(--danger-bg); color: var(--danger); }
.badge.paid { background: #f1e9fb; color: #5a2f8a; }
.badge.free { background: #e8f3ec; color: var(--ok); }

.tw { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--brand-soft); font-weight: 700; }

.chain { list-style: none; padding: 0; margin: 0; }
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 12px;
}
.step.current { border-left-color: var(--brand); box-shadow: 0 1px 4px rgba(18, 58, 94, 0.12); }
.step.passed { opacity: 0.6; }
.step.soon { border-left-color: var(--warn-line); }
.step.blocked { border-left-color: var(--danger); }
.step-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.step-head h2 { font-size: 1rem; margin: 0; flex: 1 1 auto; min-width: 120px; }
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  flex: 0 0 auto;
}
.step-meta, .step-due, .step-note { font-size: 13px; margin: 6px 0 0; }
.step-meta { color: var(--muted); }
.step-due { font-weight: 600; }
.step-links { margin: 8px 0 0; font-size: 13px; display: flex; flex-wrap: wrap; gap: 10px; }
.ref { font-size: 13px; color: #7a4a00; background: #fff8e8; border-radius: 6px; padding: 6px 8px; margin: 8px 0 0; }
.warnbox { background: #fff; border: 1px solid var(--warn-line); border-radius: 10px; padding: 12px 14px; font-size: 13px; }
.warnbox ul { margin: 0; }

.docs-list { list-style: none; padding: 0; }
.docs-list li { border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 12px 14px; margin: 0 0 10px; }
.docs-list p { margin: 4px 0; font-size: 13px; }
.docs-list strong { font-size: 15px; }

.ev-list { list-style: none; padding: 0; }
.evrow {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  margin: 0 0 8px;
  background: #fff;
  font-size: 13px;
}
.evrow .evno { grid-row: span 3; font-weight: 700; color: var(--brand); }
@media (min-width: 620px) {
  .evrow { grid-template-columns: 28px 2fr 1fr 1fr 2fr; }
  .evrow .evno { grid-row: auto; }
}

.case-list { list-style: none; padding: 0; }
.case { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fff; margin: 0 0 10px; }
.case-title { font-weight: 700; margin: 0 0 4px; }
.case-next { font-size: 13px; margin: 0 0 6px; }
.case-links { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; margin: 0; }
.case-links button { font: inherit; background: none; border: 0; color: var(--danger); cursor: pointer; padding: 0; text-decoration: underline; }

.sheet-wrap { margin: 20px 0; }
.sheet {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px 20px;
  max-width: 100%;
}
.sheet-title { text-align: center; font-size: 1.35rem; letter-spacing: 0.24em; margin: 0 0 12px; color: var(--ink); }
.sheet-purpose { font-size: 13px; color: var(--muted); text-align: center; margin: 0 0 16px; }
.sheet-table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 0 0 16px; table-layout: fixed; }
.sheet-table .cell-label { width: 30%; font-weight: 600; background: #fafbfc; }
.sheet-table .cell-value { width: 70%; white-space: pre-wrap; }
.sheet-table .section-row th { background: var(--brand-soft); font-weight: 700; }
.sheet-sign { text-align: right; margin: 18px 0 0; font-size: 13px; }
.sheet-basis, .sheet-deadline { font-size: 12px; color: #33404d; margin: 8px 0 0; }
.sheet-note { font-size: 11px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 6px; margin: 14px 0 0; }

.faq details { border-bottom: 1px solid var(--line); padding: 8px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: #33404d; }

.src-list { font-size: 13px; }
.related ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.related li { margin: 0; }
.related a { display: inline-block; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; background: #fff; text-decoration: none; font-size: 14px; }

footer.chrome { margin-top: 32px; border-top: 1px solid var(--line); border-bottom: 0; }
footer .disc { color: var(--muted); font-size: 12px; }
footer section { margin-top: 14px; }
footer section h2 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 4px; }
footer section ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 13px; }

@page {
  size: A4;
  margin: 16mm 15mm;
}

@media print {
  body { background: #fff; font-size: 10.5pt; line-height: 1.5; }
  nav.chrome, footer.chrome, .no-print, .updated, .notice-n1, .related, .sources, .faq, .lead, h1, form, #doc-error, #doc-print { display: none !important; }
  main { max-width: none; padding: 0; margin: 0; }
  .sheet-wrap { margin: 0; }
  .sheet { border: 0; border-radius: 0; padding: 0; }
  .sheet-title { margin: 0 0 6mm; }
  .sheet-table { font-size: 10pt; page-break-inside: auto; }
  .sheet-table tr { page-break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
}

@media (max-width: 400px) {
  body { font-size: 15px; }
  h1 { font-size: 1.3rem; }
  main { padding: 16px 12px 32px; }
  .card { padding: 12px; }
  th, td { padding: 6px 8px; }
  .sheet { padding: 14px 12px; }
}