/* layer2.wiki */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #fafaf9; color: #292524; font-family: 'Inter', sans-serif; line-height: 1.7; }
.nav-bar { max-width: 720px; margin: 0 auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #e7e5e4; }
.brand { font-weight: 500; font-size: 1rem; color: #1c1917; }
.nav-links { display: flex; gap: 1.5rem; }
.nav-link { font-size: 0.8rem; color: #a8a29e; cursor: pointer; text-decoration: none; }
.nav-link.active { color: #0d9488; }
.article { max-width: 720px; margin: 0 auto; padding: 24px; }
.toc { margin-bottom: 32px; }
.toc-label { font-size: 0.7rem; color: #a8a29e; text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 8px; }
.toc-link { font-size: 0.8rem; color: #0d9488; display: block; margin-bottom: 4px; text-decoration: underline; text-decoration-color: #e7e5e4; cursor: pointer; }
.section { margin-bottom: 32px; }
.section-heading { font-weight: 500; font-size: 1.3rem; color: #1c1917; margin-bottom: 12px; }
.body-text { font-size: 1rem; }
.code { background: #f5f5f4; font-family: 'Fira Code', monospace; font-size: 0.85rem; padding: 2px 6px; border-radius: 4px; }
.divider { height: 1px; background: #e7e5e4; margin-bottom: 32px; }
.info-footer { max-width: 720px; margin: 0 auto; padding: 24px; display: flex; align-items: center; gap: 2rem; border-top: 1px solid #e7e5e4; }
.footer-item { font-size: 0.7rem; color: #a8a29e; }
.footer-link { font-size: 0.7rem; color: #0d9488; cursor: pointer; }
.fade-in { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }