.past-papers-page-layout{max-width:1200px;margin:40px auto 80px;padding:0 20px;font-family:Inter,system-ui,sans-serif}.papers-page-hero{text-align:center;margin-bottom:50px}.papers-page-hero h1{font-size:2.4rem;color:#0f172a;font-weight:800;margin-bottom:12px;letter-spacing:-.02em}.accent-bar-line{width:60px;height:5px;background:linear-gradient(90deg,#25eb95,#86fa60);margin:0 auto 18px;border-radius:50px}.papers-page-subtitle{color:#64748b;font-size:1.05rem;max-width:700px;margin:0 auto;line-height:1.6}.papers-content-container{display:grid;grid-template-columns:7fr 3.5fr;gap:40px;align-items:flex-start}.papers-list-section{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:30px;box-shadow:0 4px 20px #0f172a05}.section-title-wrapper{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;border-bottom:1px dashed #e2e8f0;padding-bottom:15px}.section-title-wrapper h2{font-size:1.35rem;color:#1e293b;font-weight:700;margin:0}.paper-counter-badge{background:#f1f5f9;color:#369d10;font-size:.85rem;font-weight:700;padding:6px 14px;border-radius:50px;border:1px solid #e2f0e3}.papers-vertical-scroll-box{max-height:550px;overflow-y:auto;padding-right:8px}.papers-vertical-scroll-box::-webkit-scrollbar{width:6px}.papers-vertical-scroll-box::-webkit-scrollbar-track{background:#f8fafc;border-radius:10px}.papers-vertical-scroll-box::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.papers-vertical-scroll-box::-webkit-scrollbar-thumb:hover{background:#94a3b8}.past-paper-interactive-row-card{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border:1px solid #f2f9f1;border-radius:12px;margin-bottom:14px;background:#f8fafc;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1)}.past-paper-interactive-row-card:hover{transform:translate(4px);border-color:#3ceb25;background:#fff;box-shadow:0 10px 20px #2563eb0d}.paper-card-lead{display:flex;align-items:center;gap:16px}.doc-icon-badge{font-size:1.4rem;background:#fff;width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;border:1px solid #e2e8f0;box-shadow:0 2px 4px #00000003}.paper-meta-details h3{font-size:1.05rem;color:#1e293b;margin:0 0 3px;font-weight:600}.meta-date{font-size:.82rem;color:#64748b;margin:0}.action-arrow-prompt{font-size:.85rem;color:#64748b;font-weight:700;transition:color .2s ease}.past-paper-interactive-row-card:hover .action-arrow-prompt{color:#38a018}.papers-info-sidebar{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:25px;box-shadow:0 4px 20px #0f172a05}.sidebar-sticky-panel{position:sticky;top:20px}.sidebar-sticky-panel h3{font-size:1.15rem;color:#0f172a;font-weight:700;margin:0 0 6px}.sidebar-underline-hook{width:40px;height:4px;background:#25eb39;border-radius:10px;margin-bottom:20px}.sidebar-dynamic-description-text{font-size:.92rem;color:#475569;line-height:1.6}.sidebar-dynamic-description-text p{margin-bottom:12px}.sidebar-dynamic-description-text b{color:#0f172a}.empty-papers-fallback-box{text-align:center;padding:50px 20px}.fallback-art-icon{font-size:2.5rem;display:block;margin-bottom:15px}.empty-papers-fallback-box p{color:#64748b;font-size:.95rem;margin-bottom:20px}.back-portal-btn{display:inline-block;background:#25eb2c;color:#fff;text-decoration:none;padding:10px 22px;border-radius:8px;font-weight:600;font-size:.9rem;transition:background .2s ease}.back-portal-btn:hover{background:#65d81d}.sidebar-dynamic-description-text{position:relative;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1);line-height:1.6;color:#475569}.sidebar-dynamic-description-text.collapsed{max-height:120px}.sidebar-dynamic-description-text.expanded{max-height:1000px}.text-fade-overlay{position:absolute;bottom:0;left:0;width:100%;height:50px;background:linear-gradient(to bottom,#fff0,#fff 90%);pointer-events:none}.sidebar-readmore-btn{background:transparent;color:#16a34a;border:none;padding:8px 0;margin-top:12px;font-size:.95rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease;font-family:inherit}.sidebar-readmore-btn:hover{color:#15803d}.sidebar-readmore-btn:hover span{text-decoration:underline}.btn-chevron-icon{transition:transform .3s cubic-bezier(.4,0,.2,1)}.btn-chevron-icon.rotate-up{transform:rotate(180deg)}@media(max-width:992px){.papers-content-container{grid-template-columns:1fr;gap:30px}.papers-info-sidebar{order:-1}}@media(max-width:768px){.papers-page-hero h1{font-size:1.8rem}.papers-list-section{padding:20px}}