/* Minimal, readable, no JS, no external fonts. ~200 lines. */
:root {
  --fg: #1a1d24;
  --fg-muted: #5b6472;
  --bg: #fafbfc;
  --bg-card: #ffffff;
  --border: #e3e7ee;
  --accent: #0d6efd;
  --warn-bg: #fff3cd;
  --warn-border: #ffe082;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.brand {
  font-weight: 700;
  font-size: 17px;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.4px;
}
.site-header nav a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
}
.site-header nav a:hover { color: var(--accent); }

.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}
.content h1 { font-size: 26px; margin: 0 0 8px; }
.content h2 { font-size: 19px; margin: 32px 0 10px; padding-top: 8px; }
.content h3 { font-size: 16px; margin: 22px 0 8px; }
.content p, .content li { font-size: 15px; }
.content code { background: #eef0f3; padding: 2px 6px; border-radius: 3px; font-size: 13px; }
.content a { color: var(--accent); }
.content hr { border: 0; border-top: 1px solid var(--border); margin: 36px 0; }
.content ul { padding-left: 20px; }
.content ul li { margin-bottom: 4px; }

.app-back { font-size: 13px; margin: 0 0 12px; }
.app-back a { color: var(--fg-muted); text-decoration: none; }
.app-back a:hover { color: var(--accent); }
.app-header { margin-bottom: 18px; }
.app-subtitle { color: var(--fg-muted); font-size: 14px; margin: 4px 0; }
.app-meta { color: var(--fg-muted); font-size: 12px; display: flex; gap: 16px; flex-wrap: wrap; margin-top: 4px; }

.data-summary {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 16px 0 28px;
  font-size: 14px;
}
.data-summary strong { color: #6c5400; margin-right: 4px; }

.master-policy { color: var(--fg-muted); }
.master-policy h2 { color: var(--fg); }
.master-policy h3 { color: var(--fg); margin-top: 18px; }

.app-list {
  list-style: none;
  padding: 0;
  margin: 22px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.app-list li {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
}
.app-list a {
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
}
.app-list a:hover { color: var(--accent); }
.app-list .desc { display: block; color: var(--fg-muted); font-size: 13px; font-weight: normal; margin-top: 2px; }

.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--fg-muted);
  padding: 24px 16px 40px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}
.site-footer a { color: var(--fg-muted); }

@media (min-width: 760px) {
  .app-list { grid-template-columns: 1fr 1fr; }
}