:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #17212b;
  --muted: #5c6b7a;
  --accent: #5081be;
  --border: rgba(23, 33, 43, 0.1);
  --meta-bg: rgba(80, 129, 190, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

body {
  min-height: 100dvh;
}

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

a:hover {
  text-decoration: underline;
}

.topbar {
  background: var(--accent);
  color: #fff;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 20px 14px;
}

.topbar-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand:hover {
  text-decoration: none;
  opacity: 0.92;
}

.topbar-links {
  display: flex;
  gap: 14px;
  font-size: 0.82rem;
  font-weight: 500;
}

.topbar-links a {
  color: rgba(255, 255, 255, 0.92);
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px calc(40px + env(safe-area-inset-bottom, 0px));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 8px 24px rgba(23, 33, 43, 0.04);
}

.doc-title {
  margin: 0 0 16px;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.doc-meta {
  margin: 0 0 24px;
  padding: 14px 16px;
  background: var(--meta-bg);
  border-radius: 12px;
  font-size: 0.92rem;
  color: var(--muted);
}

.doc-meta p {
  margin: 0;
}

.doc-meta p + p {
  margin-top: 4px;
}

.doc-body {
  white-space: pre-wrap;
  word-break: keep-all;
  overflow-wrap: anywhere;
  font-size: 0.98rem;
}

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

.doc-list li {
  border-bottom: 1px solid var(--border);
}

.doc-list li:last-child {
  border-bottom: none;
}

.doc-list a {
  display: block;
  padding: 16px 4px;
  color: var(--text);
  font-weight: 600;
}

.doc-list a:hover {
  color: var(--accent);
  text-decoration: none;
}

.doc-list .sub {
  display: block;
  margin-top: 4px;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
}

.footer-note {
  margin-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .card {
    padding: 22px 18px;
  }

  .doc-title {
    font-size: 1.45rem;
  }
}