@keyframes filterBoxGlow{0%,to{box-shadow:0 4px 20px rgba(147,112,219,.15),0 0 40px rgba(0,206,209,.1),inset 0 1px 0 hsla(0,0%,100%,.1)}50%{box-shadow:0 4px 30px rgba(147,112,219,.25),0 0 60px rgba(0,206,209,.15),inset 0 1px 0 hsla(0,0%,100%,.15)}}@keyframes headerShimmer{0%{background-position:-200%}to{background-position:200%}}.filter-box-container{max-width:787px;margin:1.5rem auto;padding:0 1rem;position:relative;z-index:10}.filter-box{background:rgba(20,20,50,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(147,112,219,.3);border-radius:16px;padding:1.5rem;position:relative;animation:filterBoxGlow 4s ease-in-out infinite;transition:all .3s ease}.filter-box:hover{border-color:rgba(0,206,209,.5);transform:translateY(-2px)}.filter-box:before{content:"";position:absolute;inset:-1px;border-radius:17px;background:linear-gradient(135deg,rgba(147,112,219,.3),rgba(0,206,209,.3),rgba(147,112,219,.3));background-size:200% 200%;animation:headerShimmer 6s linear infinite;z-index:-1;opacity:0;transition:opacity .3s ease}.filter-box:hover:before{opacity:1}.filter-box-header{background:linear-gradient(135deg,rgba(147,112,219,.2),rgba(0,206,209,.15));margin:-1.5rem -1.5rem 1.25rem;padding:.875rem 1.5rem;border-bottom:1px solid hsla(0,0%,100%,.1);border-radius:16px 16px 0 0}.filter-box-header h3{font-family:var(--font-body),system-ui,sans-serif;font-size:1.125rem;font-weight:600;color:#fff;margin:0;text-shadow:0 0 20px rgba(147,112,219,.5)}.filter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.75rem;align-items:start}.filter-column{display:flex;flex-direction:column;gap:.5rem}.filter-category-title{margin-bottom:.5rem}.filter-category-title span{font-family:var(--font-body),system-ui,sans-serif;font-size:.875rem;font-weight:600;color:#fff;text-shadow:0 0 10px rgba(147,112,219,.3)}.filter-option{display:flex;align-items:center;gap:.5rem;cursor:pointer;padding:6px 10px;border-radius:8px;transition:all .2s ease;margin:-6px -10px}.filter-option:hover{background:rgba(147,112,219,.15)}.filter-checkbox{width:14px;height:14px;cursor:pointer;accent-color:#00ced1;border-radius:4px}.filter-option span{font-family:var(--font-body),system-ui,sans-serif;font-size:.8125rem;font-weight:400;color:hsla(0,0%,100%,.9);transition:color .2s ease}.filter-option:hover span{color:#fff}.filter-count{background:rgba(0,206,209,.2);color:hsla(0,0%,100%,.8);padding:2px 8px;border-radius:10px;font-size:11px;margin-left:auto}.no-options-text{color:hsla(0,0%,100%,.5);font-size:13px;font-style:italic;padding:8px 0}.filter-controls{display:flex;flex-direction:column;gap:.5rem;position:absolute;bottom:1.5rem;right:1.5rem}.filter-controls button{text-align:right;padding:8px 16px;background:linear-gradient(135deg,rgba(147,112,219,.3),rgba(0,206,209,.2));border:1px solid hsla(0,0%,100%,.2);border-radius:8px;color:#fff;font-family:var(--font-body),system-ui,sans-serif;font-size:12px;cursor:pointer;transition:all .2s ease}.filter-controls button:hover{background:linear-gradient(135deg,rgba(147,112,219,.5),rgba(0,206,209,.3));border-color:rgba(0,206,209,.5);transform:translateY(-1px);box-shadow:0 4px 15px rgba(147,112,219,.3)}.filter-box .ais-RefinementList-list{list-style:none;padding:0;margin:0}.filter-box .ais-RefinementList-item{margin-bottom:6px}.filter-box .ais-RefinementList-label{display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 10px;border-radius:8px;transition:all .2s ease;margin:0 -10px}.filter-box .ais-RefinementList-label:hover{background:rgba(147,112,219,.15)}.filter-box .ais-RefinementList-checkbox{accent-color:#00ced1;width:14px;height:14px}.filter-box .ais-RefinementList-labelText{color:hsla(0,0%,100%,.9);font-size:13px;font-family:var(--font-body),system-ui,sans-serif}.filter-box .ais-RefinementList-count{background:rgba(0,206,209,.2);color:hsla(0,0%,100%,.8);padding:2px 8px;border-radius:10px;font-size:11px;margin-left:auto}.filter-box .ais-RefinementList-item--selected .ais-RefinementList-labelText{color:#fff;font-weight:500}.filter-box .ais-RefinementList-item--selected .ais-RefinementList-count{background:rgba(147,112,219,.4)}@media (max-width:768px){.filter-grid{grid-template-columns:1fr;gap:1.25rem}.filter-controls{position:static;margin-top:1.25rem;align-items:flex-end}.filter-box{border-radius:12px;padding:1.25rem}.filter-box-header{border-radius:12px 12px 0 0;margin:-1.25rem -1.25rem 1rem;padding:.75rem 1.25rem}}@media (prefers-reduced-motion:reduce){.filter-box,.filter-box:before{animation:none}.filter-box:hover{transform:none}}.paper-scope .question-card{background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none;border:1.5px solid var(--ink);border-radius:10px;box-shadow:5px 5px 0 var(--sh);animation:none}.paper-scope .question-card:hover{transform:none;border-color:var(--ink);box-shadow:7px 7px 0 var(--sh-strong)}.paper-scope .question-card:before{display:none}.paper-scope .question-number{color:var(--ink);font-family:var(--f-display)}.paper-scope .year-badge{background:rgba(10,125,146,.1);color:var(--c-search);box-shadow:none;border-radius:5px;font-family:var(--f-display)}.paper-scope .year-badge:hover{transform:none;box-shadow:none}.paper-scope .marks-badge{background:rgba(22,40,74,.06);color:var(--ink-2);box-shadow:none;border-radius:5px;font-family:var(--f-display)}.paper-scope .type-badge-critical{background:rgba(29,68,192,.1);color:var(--acc)}.paper-scope .type-badge-problem{background:rgba(29,122,79,.12);color:var(--c-grow)}.paper-scope .subtype-badge,.paper-scope .type-badge-default{background:rgba(22,40,74,.05);color:var(--ink-2)}.paper-scope .filter-btn{background:var(--paper);color:var(--ink-2);border:1.5px solid var(--line);border-radius:6px}.paper-scope .filter-btn:hover{background:var(--acc-soft);border-color:var(--ink)}.paper-scope .question-passage{color:var(--ink)}.paper-scope .question-content{color:var(--ink-2)}.paper-scope .question-text{color:var(--ink);background:var(--paper);border:1.5px solid var(--ink);box-shadow:3px 3px 0 var(--sh)}.paper-scope .option-letter{border-color:var(--ink);color:var(--ink)}.paper-scope .option-text{color:var(--ink-2)}.paper-scope .option:hover{background:var(--acc-soft);border-color:var(--line)}.paper-scope .option-selected{border-color:var(--c-search);background:rgba(10,125,146,.08)}.paper-scope .option-selected .option-letter{background:var(--c-search);border-color:var(--c-search);color:#fff}.paper-scope .option-correct{border-color:var(--c-grow)!important;background:rgba(29,122,79,.08)!important}.paper-scope .option-correct .option-letter{background:var(--c-grow);border-color:var(--c-grow);color:#fff}.paper-scope .option-incorrect{border-color:var(--red)!important;background:rgba(196,60,60,.07)!important}.paper-scope .option-incorrect .option-letter{background:var(--red);border-color:var(--red);color:#fff}.paper-scope .show-answer-btn{background:var(--paper)!important;color:var(--ink)!important;border-radius:8px!important;font-family:var(--f-display)!important;box-shadow:inset 0 0 0 1.5px var(--ink),3px 3px 0 var(--sh)!important}.paper-scope .show-answer-btn:before{display:none}.paper-scope .show-answer-btn:hover{transform:none!important;box-shadow:inset 0 0 0 1.5px var(--ink),4px 4px 0 var(--sh-strong)!important}.paper-scope .video-btn{background:var(--c-search)!important;color:#fff!important;border-radius:8px!important;font-family:var(--f-display)!important;box-shadow:3px 3px 0 rgba(10,125,146,.25)!important}.paper-scope .video-btn:hover{transform:none!important;box-shadow:4px 4px 0 rgba(10,125,146,.3)!important}.paper-scope .expand-btn{color:var(--c-search)}.paper-scope .expand-btn:hover{color:var(--acc)}.paper-scope .filter-box{background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none;border:1.5px solid var(--ink);border-radius:10px;box-shadow:5px 5px 0 var(--sh);animation:none}.paper-scope .filter-box:hover{transform:none;border-color:var(--ink)}.paper-scope .filter-box:before{display:none}.paper-scope .filter-box-header{background:var(--acc-soft);border-bottom:1.5px solid var(--line-soft)}.paper-scope .filter-box-header h3,.paper-scope .filter-category-title span{color:var(--ink);text-shadow:none;font-family:var(--f-display)}.paper-scope .filter-option:hover{background:var(--acc-soft)}.paper-scope .filter-option span{color:var(--ink-2)}.paper-scope .filter-option:hover span{color:var(--ink)}.paper-scope .no-options-text{color:var(--muted)}.paper-scope .filter-box .ais-RefinementList-checkbox,.paper-scope .filter-checkbox{accent-color:var(--c-search)}.paper-scope .filter-box .ais-RefinementList-count,.paper-scope .filter-count{background:rgba(10,125,146,.12);color:var(--c-search)}.paper-scope .filter-controls button{background:var(--paper);border:1.5px solid var(--line);color:var(--ink-2)}.paper-scope .filter-controls button:hover{background:var(--acc-soft);border-color:var(--ink);color:var(--ink);transform:none;box-shadow:none}.paper-scope .filter-box .ais-RefinementList-label:hover{background:var(--acc-soft)}.paper-scope .filter-box .ais-RefinementList-labelText{color:var(--ink-2)}.paper-scope .filter-box .ais-RefinementList-item--selected .ais-RefinementList-labelText{color:var(--ink)}.paper-scope .filter-box .ais-RefinementList-item--selected .ais-RefinementList-count{background:rgba(10,125,146,.2)}.paper-scope .search-drop-item{display:block;width:100%;text-align:left;padding:9px 14px;font-family:var(--f-display);font-weight:600;font-size:13px;color:var(--ink-2);background:transparent;border:none;border-bottom:1px solid var(--line-soft);cursor:pointer}.paper-scope .search-drop-item:last-child{border-bottom:none}.paper-scope .search-drop-item:hover:not(:disabled){background:var(--acc-soft);color:var(--ink)}.paper-scope .search-drop-item:disabled{opacity:.4;cursor:not-allowed}