/* recycle.wiki */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #ffffff; color: #4B5563; font-family: 'Inter', sans-serif; font-weight: 400; line-height: 1.8; }
.header { max-width: 720px; margin: 0 auto; padding: 2rem 2rem 0; text-align: center; }
.wordmark { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 1.3rem; color: #1A1A2E; display: block; margin-bottom: 1rem; }
.search-bar { max-width: 500px; margin: 0 auto 1rem; border: 1px solid #D1D5DB; border-radius: 24px; padding: 0.6rem 1.25rem; display: flex; align-items: center; gap: 0.5rem; }
.search-icon { color: #22895E; font-size: 0.9rem; }
.search-placeholder { font-size: 0.85rem; color: #D1D5DB; }
.cat-nav { display: flex; justify-content: center; gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid #D1D5DB; }
.cat-link { font-weight: 600; font-size: 0.8rem; color: #4B5563; cursor: pointer; }
.cat-link.active { color: #22895E; border-bottom: 2px solid #22895E; padding-bottom: 0.25rem; }
.section-heading { font-weight: 700; font-size: 1.3rem; color: #1A1A2E; margin-bottom: 1rem; }
.featured { max-width: 720px; margin: 0 auto; padding: 2rem; }
.bento-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 1rem; }
.bento-large { grid-row: span 2; background: #F8F9FA; padding: 2rem; border-radius: 8px; display: flex; flex-direction: column; justify-content: center; }
.bento-small { background: #F8F9FA; padding: 1.25rem; border-radius: 8px; }
.cat-badge { display: inline-block; background: #E6F4ED; color: #22895E; font-size: 0.7rem; font-weight: 600; border-radius: 4px; padding: 0.1rem 0.5rem; margin-bottom: 0.5rem; }
.article-title { font-weight: 700; font-size: 1rem; color: #1A1A2E; }
.article-desc { font-size: 0.85rem; color: #4B5563; margin-top: 0.3rem; }
.article-preview { max-width: 720px; margin: 0 auto; padding: 2rem; }
.article-layout { display: grid; grid-template-columns: 1fr 180px; gap: 2rem; }
.breadcrumb { font-size: 0.75rem; color: #4B5563; margin-bottom: 0.75rem; }
.article-heading { font-weight: 700; font-size: 1.5rem; color: #1A1A2E; margin-bottom: 1rem; }
.article-body { font-size: 0.9rem; margin-bottom: 1rem; }
.article-body code { font-family: 'Fira Code', monospace; background: #F8F9FA; padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.85rem; }
.callout { background: #E6F4ED; border-left: 4px solid #22895E; padding: 1rem 1.25rem; border-radius: 0 8px 8px 0; margin-bottom: 1rem; font-size: 0.85rem; }
.callout strong { color: #1A1A2E; }
.toc-sidebar { position: sticky; top: 2rem; align-self: start; }
.toc-title { font-weight: 700; font-size: 0.8rem; color: #1A1A2E; margin-bottom: 0.75rem; }
.toc-item { font-size: 0.8rem; padding: 0.25rem 0 0.25rem 0.75rem; border-left: 3px solid transparent; color: #4B5563; margin-bottom: 0.25rem; }
.toc-item.active { border-left-color: #22895E; font-weight: 600; color: #1A1A2E; }
.footer { max-width: 720px; margin: 0 auto; padding: 2rem; text-align: center; }
.edit-link { font-size: 0.85rem; color: #DC7633; font-weight: 600; display: block; margin-bottom: 1rem; }
.footer-rule { border-top: 1px solid #D1D5DB; margin-bottom: 1rem; }
.footer-cols { display: flex; justify-content: center; gap: 2rem; }
.footer-link { font-size: 0.8rem; color: #4B5563; }
@media (max-width: 600px) {
    .article-layout { grid-template-columns: 1fr; }
    .toc-sidebar { display: none; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-large { grid-row: span 1; }
}
.fade-in { opacity: 0; transform: translateY(12px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }