/* ============================================================
   Shared design system for legal documents
   Used by: index.html (hub) and <app>/*.html (document pages)
   ============================================================ */

:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --text-dim: #9aa3b2;
  --accent: #8cc63f;
  --accent-dim: #1f5e44;
  --radius: 12px;
  --maxw: 820px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Document page header ---------- */
header.page {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 16px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: #fff; padding: 4px; object-fit: contain;
}
.brand span.logo {
  display: grid; place-items: center;
  color: #1a1a1a; font-weight: 800; font-size: 14px;
}
.brand .logo.bare, .card .logo.bare {
  background: transparent; padding: 0;
}
.home-link { color: var(--text-dim); text-decoration: none; font-size: 14px; }
.home-link:hover { color: var(--text); }

.hero { padding: 28px 0 36px; }
.hero h1 { margin: 0 0 6px; font-size: 28px; letter-spacing: -0.01em; }
.meta {
  display: flex; flex-wrap: wrap; gap: 8px 16px;
  color: var(--text-dim); font-size: 14px; margin-top: 10px;
}
.meta .pill {
  background: var(--surface-2); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 999px; color: var(--text);
}

/* ---------- Language toggle ---------- */
.lang-toggle {
  display: inline-flex; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 4px; margin-top: 18px;
}
.lang-toggle button {
  appearance: none; border: 0; background: transparent; color: var(--text-dim);
  padding: 6px 18px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: background .15s, color .15s;
}
.lang-toggle button.active { background: var(--accent); color: #1a1a1a; }

/* ---------- Document body ---------- */
main.wrap { padding: 40px 20px 80px; }
.doc[hidden] { display: none; }
.lead { color: var(--text-dim); margin: 0 0 8px; }

article h2 {
  font-size: 18px; margin: 32px 0 10px; padding-top: 8px;
  border-top: 1px solid var(--border); color: var(--text);
}
article h2:first-of-type { border-top: 0; margin-top: 0; }
article h3 { font-size: 15px; margin: 18px 0 6px; color: var(--text); }
article p { margin: 10px 0; color: var(--text); }
article ul { margin: 10px 0; padding-left: 22px; }
article li { margin: 6px 0; color: var(--text); }

.callout {
  background: rgba(140, 198, 63, 0.08);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 14px 16px; margin: 14px 0;
  color: var(--text);
}
.callout strong { color: var(--accent); }

.contact {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; margin: 14px 0;
}
.contact ul { list-style: none; padding: 0; margin: 0; }
.contact li { margin: 4px 0; }

.table {
  width: 100%; border-collapse: collapse; margin: 12px 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.table th, .table td {
  padding: 10px 14px; text-align: left; font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.table th { background: var(--surface-2); color: var(--text-dim); font-weight: 600; }
.table tr:last-child td { border-bottom: 0; }

/* ---------- Footer ---------- */
footer.page {
  border-top: 1px solid var(--border); color: var(--text-dim);
  font-size: 13px; padding: 24px 0 40px;
}

/* ---------- Hub (index) page ---------- */
header.hub {
  padding: 64px 0 40px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
header.hub h1 { margin: 0 0 8px; font-size: 32px; letter-spacing: -0.02em; }
header.hub p { margin: 0; color: var(--text-dim); font-size: 16px; }

.group-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-dim); margin: 24px 0 14px;
}
.group-title:first-child { margin-top: 0; }
.grid { display: grid; gap: 14px; }

.card {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
  text-decoration: none; color: var(--text);
  transition: border-color .15s, transform .15s, background .15s;
}
.card:hover { border-color: var(--accent-dim); background: var(--surface-2); transform: translateY(-2px); }
.card .logo {
  flex: 0 0 auto; width: 44px; height: 44px; border-radius: 11px;
  background: #fff; padding: 6px; object-fit: contain;
}
.card span.logo {
  display: grid; place-items: center;
  color: #1a1a1a; font-weight: 800; font-size: 18px;
}
.card .body { flex: 1 1 auto; min-width: 0; }
.card .body h3 { margin: 0 0 3px; font-size: 17px; }
.card .body span { color: var(--text-dim); font-size: 14px; }
.card .arrow { color: var(--text-dim); font-size: 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
  .hero h1 { font-size: 23px; }
  header.hub h1 { font-size: 26px; }
}