:root {
  --bg: #f7f6f3;
  --card: #fff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e2e0da;
  --accent: #1f4b3f;
  --accent-soft: #e7f0ed;
  --warn: #7a4e00;
  --radius: 10px;
  --max: 960px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}
a { color: var(--accent); }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.1rem; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.nav { display: flex; gap: 1rem; font-size: 0.95rem; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--accent); }

.hero {
  padding: 2.2rem 0 1.2rem;
}
.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}
.hero p { margin: 0; color: var(--muted); max-width: 62ch; }

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0 1.5rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.filters label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.filters select {
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.6rem 0;
}
.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
}
.tag.muted { background: #eee; color: var(--muted); }
.tag.warn { background: #fff3d6; color: var(--warn); }

.grid {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 2.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.card h2, .card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.card h2 a, .card h3 a { color: inherit; text-decoration: none; }
.card h2 a:hover, .card h3 a:hover { color: var(--accent); }
.card .summary { color: var(--muted); font-size: 0.95rem; margin: 0.4rem 0; }
.card .actions { margin-top: 0.7rem; }

.btn {
  display: inline-block;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none !important;
  font-size: 0.9rem;
  font-weight: 600;
}
.btn.secondary {
  background: transparent;
  color: var(--accent) !important;
  border: 1px solid var(--accent);
}

.prose { padding: 1.5rem 0 2.5rem; }
.prose .card { margin-bottom: 1rem; }
.prose h1 { margin-top: 0; letter-spacing: -0.03em; }
.prose h2 { margin-top: 1.6rem; font-size: 1.2rem; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--card);
}
.prose th, .prose td {
  border: 1px solid var(--line);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}
.prose th { background: var(--accent-soft); }
.prose ul { padding-left: 1.2rem; }
.prose code {
  background: #eee;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.dl {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 0.45rem 0.75rem;
  margin: 1rem 0;
}
.dl dt { color: var(--muted); font-size: 0.9rem; }
.dl dd { margin: 0; }

.fee-table { width: 100%; border-collapse: collapse; margin: 0.8rem 0; font-size: 0.92rem; }
.fee-table th, .fee-table td {
  border: 1px solid var(--line);
  padding: 0.45rem 0.55rem;
  text-align: left;
}
.fee-table th { background: var(--accent-soft); }

.sources {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
}
.sources ul { padding-left: 1.1rem; }
.sources a { word-break: break-all; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 2rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.site-footer p { margin: 0.25rem 0; }

.hidden { display: none !important; }

@media (max-width: 560px) {
  .dl { grid-template-columns: 1fr; }
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
  font-size: 0.78rem;
  white-space: nowrap;
}
.lang-switch a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  padding: 0.18rem 0.48rem;
  text-decoration: none;
}
.lang-switch a:hover,
.lang-switch a[aria-current="page"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
@media (max-width: 700px) {
  .header-inner { align-items: center !important; }
  .lang-switch { order: 3; width: 100%; margin-left: 0; }
}