:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --accent: #d0006f;
  --border: #e5e7eb;
  --card-bg: #f9fafb;
  --warn-bg: #fff7ed;
  --warn-border: #fdba74;
  --warn-fg: #9a3412;
  --max-width: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #ececec;
    --muted: #9ca3af;
    --accent: #ff5fa8;
    --border: #2e2e2e;
    --card-bg: #1c1c1c;
    --warn-bg: #2a1a0e;
    --warn-border: #7c3f0e;
    --warn-fg: #fdba74;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 80px;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Pretendard", "Segoe UI", "Malgun Gothic", sans-serif;
  line-height: 1.7;
  word-break: keep-all;
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
}

header.site-header {
  padding: 24px 0 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

header.site-header a.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg);
  text-decoration: none;
}

header.site-header a.brand span {
  color: var(--accent);
}

nav.crumb {
  margin-top: 8px;
  font-size: 0.85rem;
}

nav.crumb a {
  color: var(--muted);
  text-decoration: none;
}

nav.crumb a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 1.6rem;
  margin-top: 0;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2.2em;
  padding-top: 0.4em;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 1.02rem;
}

.effective-date {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: -0.5em;
}

.draft-banner {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-fg);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.88rem;
  margin: 16px 0 28px;
}

.draft-banner strong { display: block; margin-bottom: 4px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.92rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--card-bg);
}

a { color: var(--accent); }

.placeholder { color: var(--muted); font-style: italic; }

.doc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.doc-list li {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
  background: var(--card-bg);
}

.doc-list a {
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
}

.doc-list a small {
  display: block;
  font-weight: 400;
  color: var(--muted);
  margin-top: 2px;
}

footer.site-footer {
  margin-top: 60px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}