@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:spin .8s linear infinite}.post-nav-link{display:flex;flex-direction:column;gap:.25rem;padding:.875rem 1rem;border-radius:.625rem;background-color:var(--color-bg-card);box-shadow:var(--shadow-card);transition:box-shadow .2s,transform .15s;text-decoration:none;color:inherit;flex:1;min-width:0}.post-nav-link:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}.post-nav-label{font-size:.7rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-secondary)}.post-nav-title{font-size:.875rem;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .15s}.post-nav-link:hover .post-nav-title{color:var(--color-accent)}.toc-link{display:block;padding:.2rem .5rem;border-radius:.35rem;color:var(--color-text-secondary);text-decoration:none;transition:color .15s,background-color .15s;line-height:1.4}.toc-link:hover,.toc-link.active{color:var(--color-accent);background-color:#0d948814}.toc-h3{padding-left:1rem;font-size:.7rem}.toc-h2{font-size:.75rem;font-weight:500}.edit-save-btn{padding:.375rem 1.25rem;border-radius:.5rem;border:none;background:var(--color-accent);color:#fff;font-size:.8125rem;font-weight:600;cursor:pointer;transition:opacity .15s}.edit-save-btn:hover{opacity:.88}.edit-save-btn:disabled{opacity:.5;cursor:not-allowed}.edit-cancel-btn{padding:.375rem 1rem;border-radius:.5rem;border:1px solid var(--color-border);background:transparent;color:var(--color-text-secondary);font-size:.8125rem;cursor:pointer;transition:all .15s}.edit-cancel-btn:hover{border-color:var(--color-text);color:var(--color-text)}[contenteditable=true]{border-radius:.375rem;transition:outline .15s;outline:2px solid transparent;outline-offset:3px}[contenteditable=true]:focus{outline-color:var(--color-accent)}.md-toolbar{display:flex;flex-wrap:wrap;gap:.125rem;padding:.375rem .5rem;border:1px solid var(--color-border);border-bottom:none;border-radius:.625rem .625rem 0 0;background:var(--color-bg-secondary)}.md-toolbar-btn{padding:.2rem .45rem;border-radius:.3rem;border:none;background:transparent;color:var(--color-text-secondary);font-size:.78rem;cursor:pointer;transition:all .12s;line-height:1.4;min-width:1.6rem;text-align:center}.md-toolbar-btn:hover{background:var(--color-accent);color:#fff}.md-toolbar-sep{width:1px;background:var(--color-border);margin:.15rem .2rem;align-self:stretch}.edit-body-textarea{width:100%;padding:1rem 1.125rem;border:1px solid var(--color-border);border-radius:0 0 .625rem .625rem;background:var(--color-bg-secondary);color:var(--color-text);font-family:var(--font-mono);font-size:.9rem;line-height:1.8;resize:none;outline:none;overflow:hidden;min-height:160px;transition:border-color .15s}.edit-body-textarea:focus{border-color:var(--color-accent)}.edit-divider{display:flex;align-items:center;gap:.75rem;margin:1.75rem 0 1.25rem;color:var(--color-text-secondary);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}.edit-divider:before,.edit-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.like-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:2rem;font-size:.8125rem;font-weight:600;border:1.5px solid var(--color-border);background:var(--color-bg-card);color:var(--color-text-secondary);cursor:pointer;transition:all .15s}.like-btn:hover{border-color:#f43f5e;color:#f43f5e}.like-btn.liked{border-color:#f43f5e;color:#f43f5e;background:#f43f5e0f}.comment-card{padding:.875rem 1rem;border-radius:.75rem;background:var(--color-bg-card);box-shadow:var(--shadow-card)}.comment-textarea{width:100%;padding:.75rem;border-radius:.625rem;border:1px solid var(--color-border);background:var(--color-bg-secondary);color:var(--color-text);font-size:.875rem;resize:vertical;min-height:80px;font-family:var(--font-sans);transition:border-color .15s;outline:none}.comment-textarea:focus{border-color:var(--color-accent)}.comment-submit{padding:.5rem 1.25rem;border-radius:.5rem;font-size:.8125rem;font-weight:600;color:#fff;border:none;cursor:pointer;transition:opacity .15s;background:linear-gradient(135deg,#0d9488,#0f766e)}.comment-submit:hover{opacity:.9}.comment-submit:disabled{opacity:.5;cursor:not-allowed}