.research_articles_container{font-family:var(--font-geist-sans);flex-direction:column;gap:3rem;margin-top:24px;padding:40px 24px 80px;display:flex}.heading{font-size:var(--font-size-heading);letter-spacing:-.028em;color:var(--text-primary);font-weight:450;font-family:var(--font-geist-sans)}.subheading{font-size:var(--font-size-subheading);color:var(--text-secondary);text-align:center;max-width:600px;line-height:1.6;font-family:var(--font-geist-sans);margin:12px auto 0}.separator{border-bottom:1px solid var(--border-primary);width:100%;margin-top:8px}.filter-and-search-section{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.filter-section{flex-wrap:wrap;gap:8px;display:flex}.filter-section button{cursor:pointer;font-size:var(--font-size-sm);font-weight:400;font-family:var(--font-geist-sans);color:var(--text-secondary);transition:background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);background-color:#0000;border:none;border-radius:50px;outline:none;padding:8px 14px}.filter-section button:hover,.filter-section .active{background-color:var(--bg-tertiary);color:var(--text-primary)}.search-section input{font-size:var(--font-size-sm);color:var(--text-primary);font-family:var(--font-geist-sans);border:1px solid var(--border-primary);min-width:200px;transition:border-color var(--duration-fast) var(--ease-out);background-color:#0000;border-radius:50px;outline:none;padding:8px 16px}.search-section input:focus{border-color:var(--text-primary)}.research_cards_grid{grid-template-columns:repeat(auto-fill,minmax(440px,1fr));gap:28px;margin-top:36px;display:grid}.yearly_view_container{flex-direction:column;gap:40px;margin-top:24px;display:flex}.year_group_section .year_heading{font-size:var(--font-size-3xl);color:var(--text-primary);font-weight:500;font-family:var(--font-geist-sans);border-bottom:1px solid var(--border-primary);margin-top:16px;margin-bottom:-12px;padding-bottom:8px}.empty_state_container{text-align:center;border:1px dashed var(--border-primary);background-color:var(--bg-secondary);font-family:var(--font-geist-sans);border-radius:16px;flex-direction:column;justify-content:center;align-items:center;margin-top:40px;padding:64px 24px;display:flex}.empty_state_icon_wrapper{background-color:var(--bg-tertiary);width:56px;height:56px;color:var(--text-secondary);border-radius:50%;justify-content:center;align-items:center;margin-bottom:20px;display:flex}.empty_state_title{font-size:var(--font-size-lg);color:var(--text-primary);margin-bottom:8px;font-weight:500}.empty_state_description{font-size:var(--font-size-sm);color:var(--text-secondary);max-width:440px;margin-bottom:24px;line-height:1.5}.empty_state_reset_btn{background-color:var(--text-primary);color:var(--bg-primary);font-size:var(--font-size-sm);cursor:pointer;transition:opacity var(--duration-fast) var(--ease-out);border:none;border-radius:50px;outline:none;padding:9px 20px;font-weight:500}.empty_state_reset_btn:hover{opacity:.85}.research_card{background-color:var(--bg-secondary);min-height:400px;transition:transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out), border-color var(--duration-normal) var(--ease-out);border-radius:8px;flex-direction:column;justify-content:space-between;padding:24px;display:flex}.research_card:hover{background-color:var(--bg-tertiary);border-color:#0f0e0d47}[data-theme=dark] .research_card:hover{border-color:#ffffff4d}.card_meta_header{font-family:var(--font-geist-sans,sans-serif);flex-wrap:wrap;align-items:center;gap:12px;display:flex}.card_meta_header .publish_time{font-size:var(--font-size-sm);color:var(--text-primary);margin:0;font-weight:400}.card_meta_header .category_tag{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:400}.research_card .title_heading{letter-spacing:-.02em;color:var(--text-primary);font-size:clamp(24px,2.4vw,32px);font-weight:450;line-height:1.25;font-family:var(--font-geist-sans), sans-serif;margin-top:20px;margin-bottom:24px}.card_bottom_section{flex-direction:column;gap:24px;display:flex}.research_card .short_description{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:400;line-height:20px;font-family:var(--font-geist-sans);margin:0}.author_footer{font-family:var(--font-manrope,sans-serif);align-items:center;gap:12px;display:flex}.author_avatars_group{align-items:center;display:flex}.author_avatar_placeholder{background-color:var(--bg-tertiary);border:2px solid var(--bg-secondary);border-radius:50%;flex-shrink:0;width:28px;height:28px;margin-left:-8px}.author_avatars_group .author_avatar_placeholder:first-child{margin-left:0}.author_names{font-size:var(--font-size-sm);color:var(--text-primary);font-weight:450}@media (max-width:600px){.research_cards_grid{grid-template-columns:1fr;gap:20px;margin-top:24px}.research_card{min-height:auto;padding:24px}}