@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.6}50%{opacity:.4}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.archive-hero{background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);padding:80px 24px 64px;position:relative;overflow:hidden}.archive-hero::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 50%,rgba(255,255,255,.1)0,transparent 50%),radial-gradient(circle at 80% 80%,rgba(255,255,255,.08)0,transparent 50%);pointer-events:none}.archive-hero-container{max-width:1200px;margin:0 auto;text-align:center;position:relative;z-index:1}.archive-title{font-size:56px;font-weight:800;color:var(--white);margin:0 0 16px;letter-spacing:-.02em;line-height:1.1}.archive-subtitle{font-size:20px;color:rgba(255,255,255,.9);max-width:720px;margin:0 auto 48px;line-height:1.6}.archive-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}.stat-item{display:flex;flex-direction:column;align-items:center;gap:8px}.stat-number{font-size:48px;font-weight:800;color:var(--white);line-height:1}.stat-label{font-size:14px;color:rgba(255,255,255,.8);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.archive-filters{background:var(--white);border-bottom:2px solid var(--gray-200);padding:32px 24px;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.04)}.archive-container{max-width:1400px;margin:0 auto}.archive-search{position:relative;margin-bottom:24px}.archive-search svg{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--gray-400);pointer-events:none}.search-input{width:100%;padding:16px 20px 16px 52px;font-size:16px;border:2px solid var(--gray-200);border-radius:12px;background:var(--white);transition:all .3s ease}.search-input:focus{outline:0;border-color:var(--primary-500);box-shadow:0 0 0 4px rgba(44,95,125,.1)}.search-input::placeholder{color:var(--gray-400)}.filter-tabs{display:flex;gap:8px;margin-bottom:24px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}.filter-tabs::-webkit-scrollbar{height:4px}.filter-tabs::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:2px}.filter-tab{padding:10px 20px;font-size:14px;font-weight:600;color:var(--gray-600);background:var(--gray-100);border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .3s ease;white-space:nowrap}.filter-tab:hover{background:var(--gray-200);color:var(--gray-700)}.filter-tab.active{background:var(--primary-50)}.archive-controls{display:flex;justify-content:space-between;align-items:center;gap:16px}.sort-options{display:flex;align-items:center;gap:12px}.sort-options label,.sort-select{font-size:14px;font-weight:600;color:var(--gray-700)}.sort-select{padding:10px 16px;font-weight:500;background:var(--white);border:2px solid var(--gray-200);border-radius:8px;cursor:pointer;transition:all .3s ease}.sort-select:hover{border-color:var(--gray-300)}.sort-select:focus{outline:0;border-color:var(--primary-500)}.view-toggle{display:flex;gap:4px;background:var(--gray-100);padding:4px;border-radius:8px}.view-btn{padding:8px 12px;background:0 0;border:0;border-radius:6px;cursor:pointer;color:var(--gray-600);transition:all .3s ease;display:flex;align-items:center;justify-content:center}.view-btn:hover{background:var(--gray-200);color:var(--gray-700)}.view-btn.active{background:var(--white);box-shadow:0 2px 6px rgba(0,0,0,.06)}.archive-content{background:var(--gray-50);padding:64px 24px;min-height:80vh}.archive-grid{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:280px 1fr;gap:40px}.archive-sidebar{position:sticky;top:180px;height:fit-content}.sidebar-title{font-size:18px;font-weight:700;color:var(--gray-800);margin:0 0 20px}.year-list{background:var(--white);border-radius:12px;border:1px solid var(--gray-200);overflow:hidden;margin-bottom:24px}.year-group{border-bottom:1px solid var(--gray-200)}.year-group:last-child{border-bottom:none}.sidebar-stats h4,.year-header{font-weight:700;color:var(--gray-800)}.year-header{width:100%;display:flex;justify-content:space-between;align-items:center;padding:16px 20px;font-size:16px;background:var(--white);border:0;cursor:pointer;transition:all .3s ease}.month-link:hover,.year-header:hover{background:var(--gray-50)}.year-header svg{transition:transform .3s ease}.month-list{display:flex;flex-direction:column}.month-link{display:flex;justify-content:space-between;align-items:center;padding:12px 20px 12px 36px;font-size:14px;color:var(--gray-700);text-decoration:none;transition:all .3s ease;border-left:3px solid transparent}.month-link:hover{color:var(--primary-600)}.article-count{font-size:12px;font-weight:600;color:var(--gray-500);background:var(--gray-100);padding:2px 8px;border-radius:10px}.month-link.active .article-count{background:var(--primary-100);color:var(--primary-700)}.sidebar-stats{background:var(--white);border:1px solid var(--gray-200);border-radius:12px;padding:20px}.sidebar-stats h4{font-size:14px;margin:0 0 16px;text-transform:uppercase;letter-spacing:.05em}.stat-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;font-size:14px;color:var(--gray-600);border-bottom:1px solid var(--gray-100)}.stat-row:last-child{border-bottom:none}.stat-row strong{color:var(--gray-800);font-weight:600}.archive-main{min-height:600px}.archive-section{margin-bottom:64px}.section-date{font-size:32px;font-weight:800;color:var(--gray-800);margin:0 0 32px;padding-bottom:16px;border-bottom:3px solid var(--primary-500)}.article-list{display:flex;flex-direction:column;gap:24px}.archive-article{background:var(--white);border:1px solid var(--gray-200);border-radius:16px;padding:32px;transition:all .4s cubic-bezier(.4,0,.2,1)}.archive-article:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.08);border-color:var(--primary-200)}.article-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}.article-date{font-size:13px;font-weight:600;color:var(--gray-500)}.article-category{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:4px 10px;border-radius:6px}.article-category--concepts{background:var(--primary-100);color:var(--primary-700)}.article-category--explainers{background:var(--accent-blue-light);color:var(--accent-blue-dark)}.article-category--ideas{background:var(--accent-amber-light);color:var(--accent-amber-dark)}.article-category--technology{background:var(--accent-sky-light);color:var(--accent-sky-dark)}.article-category--work-skills{background:var(--accent-purple-light);color:var(--accent-purple-dark)}.article-category--culture{background:var(--accent-pink-light);color:var(--accent-pink-dark)}.article-title{font-size:24px;font-weight:700;line-height:1.3;margin:0 0 12px}.article-title a{color:var(--gray-900);text-decoration:none;transition:color .3s ease}.article-title a:hover{color:var(--primary-600)}.article-excerpt{font-size:16px;line-height:1.6;color:var(--gray-600);margin:0 0 20px}.article-footer{display:flex;justify-content:flex-end;align-items:center;padding-top:20px;border-top:1px solid var(--gray-100)}.article-stats{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--gray-500)}.load-more,.read-time{display:flex;align-items:center;gap:6px}.read-time svg{width:14px;height:14px}.load-more{justify-content:center;gap:8px;width:100%;padding:16px 24px;margin-top:32px;font-size:15px;font-weight:600;color:var(--primary-600);background:var(--white);border:2px solid var(--primary-200);border-radius:12px;cursor:pointer;transition:all .3s ease}.load-more:hover{border-color:var(--primary-300)}.load-more svg{transition:transform .3s ease}.load-more:hover svg{transform:translateY(2px)}.month-placeholder{text-align:center;padding:48px 24px;background:var(--gray-50);border:2px dashed var(--gray-300);border-radius:12px;margin-top:24px}.month-placeholder p{font-size:16px;color:var(--gray-600);margin:0 0 16px}.expand-month{padding:12px 24px;font-size:14px;font-weight:600;color:var(--primary-600);background:var(--white);border:2px solid var(--primary-300);border-radius:8px;cursor:pointer;transition:all .3s ease}.expand-month:hover,.load-more:hover{background:var(--primary-50);transform:translateY(-2px)}.archive-pagination{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:64px}.pagination-btn{display:flex;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:600;color:var(--gray-700);background:var(--white);border:2px solid var(--gray-200);border-radius:8px;cursor:pointer;transition:all .3s ease}.pagination-btn:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-300)}.page-btn,.pagination-pages{display:flex;align-items:center}.pagination-pages{gap:8px}.page-btn{width:40px;height:40px;justify-content:center;font-size:14px;font-weight:600;color:var(--gray-700);background:var(--white);border:2px solid var(--gray-200);border-radius:8px;cursor:pointer;transition:all .3s ease}.page-btn:hover{background:var(--gray-50);border-color:var(--gray-300)}.pagination-dots{color:var(--gray-400);font-weight:600}.archive-newsletter{background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);padding:80px 24px}.newsletter-container{max-width:720px;margin:0 auto}.newsletter-content{text-align:center}.newsletter-content h2{font-size:40px;font-weight:800;color:var(--white);margin:0 0 16px}.newsletter-content>p{font-size:18px;color:rgba(255,255,255,.9);margin:0 0 32px}.newsletter-form{display:flex;gap:12px;margin-bottom:16px}.newsletter-input{flex:1;padding:16px 20px;font-size:16px;border:2px solid rgba(255,255,255,.3);border-radius:12px;background:rgba(255,255,255,.1);color:var(--white);backdrop-filter:blur(10px);transition:all .3s ease}.newsletter-input::placeholder{color:rgba(255,255,255,.6)}.newsletter-input:focus{outline:0;background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}.newsletter-submit{padding:16px 32px;font-size:16px;font-weight:700;color:var(--primary-700);background:var(--white);border:0;border-radius:12px;cursor:pointer;transition:all .3s ease;white-space:nowrap}.newsletter-submit:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.2)}.newsletter-privacy{font-size:13px;color:rgba(255,255,255,.7);margin:0}.newsletter-privacy a{color:var(--white);text-decoration:underline}.article-list.view-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.article-list.view-grid .archive-article{height:100%;display:flex;flex-direction:column}.article-list.view-grid .article-title{font-size:20px;margin:16px 0 12px}.article-list.view-grid .article-excerpt{flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;line-clamp:3;overflow:hidden}.article-list.view-list{display:flex;flex-direction:column;gap:16px}.archive-article{transition:opacity .3s ease,transform .3s ease}.archive-article[style*="display: none"]{opacity:0;transform:translateY(10px);pointer-events:none}.filter-tab.active{background:var(--primary-600);color:var(--white);border-color:var(--primary-600);transform:translateY(-2px);box-shadow:0 4px 12px rgba(44,95,125,.2)}.view-btn.active{background:var(--primary-50);color:var(--primary-700);border-color:var(--primary-300)}.archive-search input:focus{border-color:var(--primary-500);box-shadow:0 0 0 4px rgba(44,95,125,.1);outline:0}.no-results{text-align:center;padding:80px 24px;max-width:480px;margin:0 auto}.no-results svg{color:var(--gray-400);margin-bottom:24px}.no-results h3{font-size:24px;font-weight:700;color:var(--gray-900);margin:0 0 12px}.no-results p{font-size:16px;color:var(--gray-600);margin:0 0 32px;line-height:1.6}.reset-filters{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--primary-600);color:var(--white);border:0;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.reset-filters:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:0 8px 16px rgba(44,95,125,.2)}.reset-filters:active{transform:translateY(0)}.pagination-btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.page-btn.active{background:var(--primary-600);color:var(--white);border-color:var(--primary-600);font-weight:700}.page-btn:not(.active):hover{background:var(--primary-50);border-color:var(--primary-300);color:var(--primary-700)}.year-header.active{background:var(--gray-50)}.year-header.active svg{transform:rotate(180deg)}.month-link.active{background:var(--primary-50);color:var(--primary-700);border-left:3px solid var(--primary-600);font-weight:600}.load-more[disabled]{opacity:.6;cursor:not-allowed}.load-more[disabled] svg{animation:spin 1s linear infinite}.archive-main{scroll-behavior:smooth}.search-highlight{background:rgba(255,235,59,.3);padding:2px 4px;border-radius:2px}.archive-article.skeleton{pointer-events:none;opacity:.6;animation:pulse 1.5s ease-in-out infinite}.archive-article.skeleton .article-excerpt,.archive-article.skeleton .article-meta span,.archive-article.skeleton .article-title{background:var(--gray-200);color:transparent;border-radius:4px;user-select:none}.archive-article.fade-in{animation:fadeIn .5s ease-out}@media (max-width:1024px){.archive-grid{grid-template-columns:1fr}.archive-sidebar{position:static;order:2;margin-top:48px}.archive-main{order:1}}@media (max-width:768px){.archive-title{font-size:40px}.archive-subtitle{font-size:18px}.archive-stats{gap:32px}.stat-number{font-size:36px}.archive-controls{flex-direction:column;align-items:stretch}.sort-options{justify-content:space-between}.archive-article{padding:24px}.article-title{font-size:20px}.article-footer{flex-direction:row;align-items:center;gap:0}.newsletter-form{flex-direction:column}.newsletter-content h2{font-size:32px}}@media (max-width:480px){.archive-hero{padding:60px 16px 48px}.archive-title{font-size:32px}.archive-subtitle{font-size:16px}.filter-tabs{gap:6px}.filter-tab{font-size:13px;padding:8px 16px}.archive-article{padding:20px}.article-title{font-size:18px}.section-date{font-size:24px}.pagination-btn{padding:10px 16px;font-size:13px}.page-btn{width:36px;height:36px;font-size:13px}}.filter-tab:focus-visible,.month-link:focus-visible,.page-btn:focus-visible,.pagination-btn:focus-visible,.view-btn:focus-visible,.year-header:focus-visible{outline:3px solid var(--primary-400);outline-offset:2px}@media (prefers-reduced-motion:reduce){.archive-article,.filter-tab,.load-more,.page-btn,.reset-filters,.view-btn{transition:none;animation:none}.archive-main{scroll-behavior:auto}}