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var(--accent-color)}.sidebar-item-query{font-size:.85rem;font-weight:600;color:var(--text-primary);line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-item-date{font-size:.72rem;color:var(--text-secondary);margin-top:4px;font-weight:500}.sidebar-item-delete{position:absolute;top:8px;right:6px;background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:1rem;line-height:1;padding:2px 4px;opacity:0;transition:opacity .15s}.sidebar-history-item:hover .sidebar-item-delete{opacity:1}.sidebar-item-delete:hover{color:var(--danger-color)}.sidebar-controls{display:flex;flex-direction:column;gap:4px;padding:12px 8px}.sidebar-control-btn{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:2px solid transparent;padding:10px 12px;font-family:inherit;font-size:.9rem;font-weight:600;color:var(--text-primary);cursor:pointer;text-align:left;transition:all .15s}.sidebar-control-btn:hover{background:var(--tag-bg);border-color:var(--border-color)}.sidebar-control-btn.logout:hover{background:#fee2e2;border-color:var(--danger-color);color:var(--danger-color)}body.dark-mode .sidebar-control-btn.logout:hover{background:#ef444426}.sidebar-icon-rail{display:flex;flex-direction:column;align-items:center;gap:12px;padding:64px 0 16px}.sidebar-avatar-sm{width:40px;height:40px;background:var(--accent-color);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;box-shadow:2px 2px 0 var(--border-color);color:var(--text-primary)}.sidebar-rail-btn{width:40px;height:40px;background:var(--tag-bg);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;transition:all .15s;box-shadow:2px 2px 0 var(--border-color)}.sidebar-rail-btn:hover{background:var(--accent-color);transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--border-color)}.sidebar-rail-btn.logout:hover{background:#fee2e2;border-color:var(--danger-color)}body.dark-mode .sidebar-rail-btn.logout:hover{background:#ef444426}.followup-container{margin-top:24px;padding:24px;background:var(--panel-bg);border:3px solid var(--border-color);box-shadow:5px 5px 0 var(--border-color);animation:slideFadeIn .4s ease-out}.followup-header{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:16px;border-bottom:2px solid var(--border-color);padding-bottom:10px}.followup-cards{display:flex;flex-direction:column;gap:10px}.followup-card{display:flex;align-items:center;gap:12px;background:var(--tag-bg);border:2px solid var(--border-color);padding:14px 16px;font-family:inherit;font-size:.95rem;font-weight:600;color:var(--text-primary);cursor:pointer;text-align:left;box-shadow:2px 2px 0 var(--border-color);transition:transform .1s,box-shadow .1s,background .1s}.followup-card:hover{background:var(--accent-color);transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--border-color)}.followup-card:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--border-color)}.followup-arrow{font-size:1rem;color:var(--accent-color);flex-shrink:0;transition:color .1s}.followup-card:hover .followup-arrow{color:var(--text-primary)}.followup-skeleton{height:52px;background:linear-gradient(90deg,var(--tag-bg) 25%,var(--panel-bg) 50%,var(--tag-bg) 75%);background-size:400% 100%;border:2px solid var(--border-color);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.search-btn.followup-mode{background:var(--text-primary);color:var(--bg-color);border-color:var(--border-color)}.search-btn.followup-mode:hover:not(:disabled){background:var(--text-secondary)}.prev-answer-wrap{margin-bottom:20px;border:2px solid var(--border-color);box-shadow:3px 3px 0 var(--border-color)}.prev-answer-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;background:var(--tag-bg);border:none;padding:12px 20px;font-family:inherit;font-size:.85rem;font-weight:700;color:var(--text-secondary);cursor:pointer;text-align:left;text-transform:uppercase;letter-spacing:.5px;transition:background .15s}.prev-answer-toggle:hover{background:var(--border-color);color:var(--panel-bg)}.prev-answer-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:90%}.prev-answer-chevron{font-size:.7rem;flex-shrink:0;margin-left:8px}.prev-answer-body{padding:20px;background:var(--panel-bg);border-top:2px solid var(--border-color);animation:slideFadeIn .25s ease-out}.answer-stack{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.prev-answer-num{display:inline-flex;align-items:center;justify-content:center;background:var(--accent-color);color:var(--text-primary);border:2px solid var(--border-color);font-size:.7rem;font-weight:700;width:20px;height:20px;flex-shrink:0;margin-right:8px}.followup-limit-banner{margin-top:12px;padding:10px 16px;background:var(--tag-bg);border:2px solid var(--border-color);font-size:.85rem;font-weight:600;color:var(--text-secondary);text-align:center}.sidebar-overlay,.mobile-menu-btn{display:none}@media (max-width: 1024px){.app-container{padding:24px}.homepage-elements{gap:16px}}@media (max-width: 768px){.app-container{padding:12px}.sidebar-overlay.active{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:90;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:slideFadeIn .2s ease-out}.history-sidebar{position:fixed;height:100vh;z-index:100;transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1)}.history-sidebar.collapsed{transform:translate(-100%);width:280px}.history-sidebar.open{transform:translate(0);width:280px;box-shadow:4px 0 15px #0000004d}body.dark-mode .history-sidebar.open{box-shadow:4px 0 15px #000c}.mobile-menu-btn{display:flex;position:absolute;top:20px;right:16px;z-index:50;background:var(--tag-bg);border:2px solid var(--border-color);padding:6px;color:var(--text-primary);cursor:pointer;box-shadow:3px 3px 0 var(--border-color)}.mobile-menu-btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--border-color)}.app-container.idle .search-wrapper{width:100%;margin-top:10vh}.header{margin-top:12px;margin-bottom:24px}.header h1{font-size:2rem;gap:8px!important}.header p{font-size:.65rem;line-height:1.4;margin-top:10px;padding:4px 8px}.search-bar{flex-direction:column;padding:8px 0;gap:8px;border:none;box-shadow:none;background:transparent;border-bottom:none}.search-bar:focus-within{transform:none;box-shadow:none}.search-bar svg{display:none}.search-bar input{width:100%;padding:14px 12px;font-size:1rem;text-align:center;background:#80808033}.search-btn{width:100%;padding:12px}.homepage-elements{flex-direction:column;margin-top:24px}.side-panel{width:100%;border:none;box-shadow:none;background:transparent;padding:16px 0;border-bottom:none}.tabs-container{overflow-x:auto;white-space:nowrap;padding-bottom:4px;margin-bottom:16px;border-bottom:none}.tabs-container::-webkit-scrollbar{height:4px}.tabs-container::-webkit-scrollbar-thumb{background:var(--border-color)}.tab{padding:10px 12px;font-size:.85rem}.answer-panel{padding:16px 0;font-size:.95rem;border:none;box-shadow:none;background:transparent}.paper-viewer{flex-direction:column;height:auto;gap:16px}.paper-sidebar{width:100%;max-height:200px;flex-shrink:0;padding-right:4px;border-bottom:2px solid var(--border-color);padding-bottom:16px}.paper-preview{padding:16px 0;border:none;box-shadow:none;background:transparent}.preview-title{font-size:1.3rem}.preview-quote{padding:16px;font-size:1rem;margin-bottom:20px}.doc-link{width:100%;padding:10px}.prev-answer-wrap{border:none;box-shadow:none;border-bottom:1px solid var(--border-color);margin-bottom:8px}.prev-answer-toggle{background:transparent;padding:12px 0}.prev-answer-body{border-top:none;padding:12px 0;background:transparent}.followup-container{border:none;box-shadow:none;background:transparent;padding:16px 0;border-top:none;margin-top:16px}.followup-card{border:1px solid var(--border-color);box-shadow:none}.followup-card:hover{transform:none;box-shadow:none}.loading-view{border:none;box-shadow:none;background:transparent;padding:16px 0}.paper-tab{border:1px solid var(--border-color);box-shadow:none}.paper-tab.active{box-shadow:none;transform:none}.auth-card,.onboard-card{padding:32px 20px}.onboard-source-grid{grid-template-columns:1fr}.onboard-actions{flex-direction:column}.onboard-btn-next,.onboard-btn-back{width:100%}}