.series-list-container{padding:2rem 0}.series-header{text-align:center;margin-bottom:3rem}.series-header h1{font-size:3rem;font-weight:700;color:#2c3e50}.series-header .series-description{font-size:1.25rem;color:#4a5568;max-width:700px;margin:0 auto}.series-toc{background:#fff;border:1px solid #dee2e6;border-radius:.75rem;padding:2rem;box-shadow:0 .5rem 1rem rgba(0,0,0,5%)}.series-toc h2{font-size:1.75rem;font-weight:600;color:#2c3e50;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid #e9ecef}.series-toc .list-group-item{border:none;padding:1.5rem 0;display:flex;align-items:flex-start;transition:background-color .2s ease;border-bottom:1px solid #e9ecef}.series-toc .list-group-item:last-child{border-bottom:none}.series-toc .list-group-item:hover{background-color:#f8f9fa}.series-toc .part-number{font-size:1.25rem;font-weight:700;color:#0d6efd;margin-right:1.5rem;min-width:40px;text-align:center}.series-toc .part-info a{font-size:1.2rem;font-weight:600;color:#2c3e50;text-decoration:none;transition:color .2s ease}.series-toc .part-info a:hover{color:#0d6efd}.series-toc .part-info p{font-size:1rem;color:#6c757d;margin-bottom:0;margin-top:.25rem}.series-post-container{padding:2rem 0}.series-post-header{margin-bottom:2rem;border-bottom:1px solid #e9ecef;padding-bottom:2rem}.series-post-header .series-title{font-size:1rem;font-weight:600;color:#0d6efd;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}.series-post-header .series-title a{text-decoration:none;color:#0d6efd;transition:color .2s ease}.series-post-header .series-title a:hover{color:#0a58ca}.series-post-header h1{font-size:2.75rem;font-weight:700;color:#2c3e50;margin-top:.5rem;line-height:1.2}.series-nav{background:#f8f9fa;border:1px solid #dee2e6;border-radius:.75rem;padding:2rem;margin:3rem 0}.series-nav h4{font-size:1.25rem;font-weight:600;color:#2c3e50;margin-bottom:1.5rem;text-align:center}.series-nav .nav-links{display:flex;justify-content:space-between;gap:1.5rem}.series-nav .nav-link{flex:1;padding:1.25rem;background:#fff;border:1px solid #dee2e6;border-radius:.5rem;text-decoration:none;color:#2c3e50;transition:all .2s ease;display:flex;flex-direction:column;justify-content:space-between}.series-nav .nav-link:hover{background:#fff;transform:translateY(-3px);box-shadow:0 8px 16px rgba(0,0,0,.1);border-color:#0d6efd}.series-nav .nav-link .direction{font-size:.8rem;color:#6c757d;text-transform:uppercase;letter-spacing:.5px}.series-nav .nav-link .title{font-weight:600;margin-top:.5rem;font-size:1.1rem}.series-nav .nav-link.prev{text-align:left}.series-nav .nav-link.next{text-align:right}