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

body {
  background: #F6F6F6;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  color: #1C1C1E;
  min-height: 100vh;
}

/* ── Header ── */
.site-header {
  background: rgba(128, 128, 128, 0.10);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header .app-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, #A8C5E0 0%, #A8D5C2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.site-header .app-name {
  font-size: 18px;
  font-weight: 700;
  color: #1F2329;
  letter-spacing: -0.3px;
}

.site-header .back-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: #007AFF;
  text-decoration: none;
}

/* ── Content ── */
.content {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: #1F2329;
  letter-spacing: -0.4px;
  margin-bottom: 6px;
}

.page-meta {
  font-size: 12px;
  color: #8E8E93;
  font-weight: 500;
  margin-bottom: 28px;
}

/* ── Sections ── */
.section {
  background: white;
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.section h2 {
  font-size: 14px;
  font-weight: 700;
  color: #1C1C1E;
  margin-bottom: 10px;
  letter-spacing: -0.1px;
}

.section p, .section li {
  font-size: 14px;
  line-height: 1.65;
  color: #3A3A3C;
}

.section ul {
  padding-left: 18px;
  margin-top: 6px;
}

.section li {
  margin-bottom: 4px;
}

.section a {
  color: #007AFF;
  text-decoration: none;
}

/* ── Section label ── */
.section-label {
  font-size: 10px;
  font-weight: 700;
  color: #8E8E93;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding-left: 4px;
  margin: 24px 0 8px;
}

/* ── Index cards ── */
.nav-card {
  background: white;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  margin-bottom: 16px;
}

.nav-row {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  gap: 12px;
  border-bottom: 1px solid #F2F2F7;
  text-decoration: none;
  color: inherit;
}

.nav-row:last-child { border-bottom: none; }

.nav-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: #E9EEF4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-text { flex: 1; }
.nav-title { font-size: 14px; font-weight: 600; color: #1C1C1E; }
.nav-sub { font-size: 12px; color: #8E8E93; margin-top: 1px; }
.nav-chevron { font-size: 14px; color: #C7C7CC; }

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 24px;
  font-size: 12px;
  color: #8E8E93;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}