:root,
[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-alt: #f7f8f9;
  --border: #d8dde3;
  --text: #1a1f26;
  --text-muted: #4a5560;
  --link: #1a1f26;
  --header-bg: #ffffff;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0e14;
  --bg-alt: #0f141c;
  --border: #2a3340;
  --text: #e4e8ed;
  --text-muted: #8b95a1;
  --link: #e4e8ed;
  --header-bg: #0a0e14;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(720px, 92vw);
  margin: 0 auto;
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
}

.header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.site-id {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
}

.site-id-mark {
  display: block;
  flex-shrink: 0;
  border-radius: 4px;
}

.site-id-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-id-legal {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  cursor: pointer;
  line-height: 1.4;
}

.theme-toggle:hover { color: var(--text); }

/* Document */
.document {
  flex: 1;
  padding: 2.5rem 0 3rem;
}

.doc-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.doc-header h1 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 0.35rem;
}

.doc-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.doc-block {
  margin-bottom: 2.25rem;
}

.doc-block h2 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.doc-block h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 1.5rem 0 0.65rem;
}

.doc-block > p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  max-width: 62ch;
}

.doc-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0.75rem 0;
}

.doc-list {
  margin: 0.5rem 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 13px;
}

.doc-list li { margin-bottom: 0.25rem; }

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 0.5rem;
}

.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  width: 11rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-alt);
}

.data-table td { color: var(--text); }

.data-table a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.data-table--compact { margin-bottom: 0.25rem; }

/* Legal pages */
.legal-page {
  flex: 1;
  padding: 2.5rem 0 3rem;
}

.legal-page h1 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.legal-updated {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.legal-content {
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.legal-content h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p,
.legal-content li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.legal-content p { margin-bottom: 0.65rem; }

.legal-content ul { margin: 0.35rem 0 0.65rem 1.2rem; }

.legal-content a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 0 1.25rem;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.footer-row nav {
  display: flex;
  gap: 1rem;
}

.footer-row a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-row a:hover {
  color: var(--text);
  text-decoration: underline;
}

.footer-copy {
  font-size: 11px;
  color: var(--text-muted);
}

@media (max-width: 560px) {
  .data-table th {
    width: 8.5rem;
    font-size: 12px;
  }
}