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.icon-container{display:flex;align-items:center;justify-content:center;transition:transform .2s ease}.menu-item:hover .icon-container{transform:scale(1.1)}.menu-item.active .icon-container{transform:scale(1.05)}.link-input-container{min-width:280px;padding:8px}.link-input-wrapper{width:100%;display:flex;align-items:center;gap:8px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:8px 12px;transition:all .2s ease}.link-input-wrapper:focus-within{background:#fff}.link-icon{color:#6b7280;flex-shrink:0}.link-input{flex:1;border:none;background:transparent;outline:none;font-size:14px;color:#374151;font-family:inherit}.link-input::placeholder{color:#9ca3af}.link-cancel-btn{background:transparent;border:none;color:#9ca3af;cursor:pointer;padding:2px;border-radius:4px;font-size:12px;transition:all .15s ease;flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.link-cancel-btn:hover{background:#fee2e2;color:#dc2626}.menu-separator{width:1px;height:20px;background:#e5e7eb;margin:0 4px}@media (prefers-color-scheme: dark){.selection-menu{background:#1f2937;border-color:#374151;box-shadow:0 10px 25px #0000004d,0 4px 10px #0003}.menu-item{color:#e5e7eb}.menu-item:hover{background:linear-gradient(135deg,#374151,#4b5563);color:#f9fafb}.link-input-wrapper{background:#374151;border-color:#4b5563}.link-input-wrapper:focus-within{background:#4b5563;border-color:#403d39}.link-input{color:#e5e7eb}.link-input::placeholder{color:#9ca3af}.link-icon,.link-cancel-btn{color:#9ca3af}.link-cancel-btn:hover{background:#dc262633;color:#f87171}.menu-separator{background:#4b5563}}@media (max-width: 768px){.selection-menu{padding:6px}.menu-item{width:32px;height:32px}.link-input-container{min-width:240px;padding:6px}.keyboard-hint{display:none}}@keyframes 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.15);--radius-small: 8px;--radius-medium: 12px;--radius-large: 16px;--transition-fast: .15s ease;--transition-medium: .2s cubic-bezier(.25, .46, .45, .94);--transition-bounce: .3s cubic-bezier(.34, 1.56, .64, 1);--sidebar-white-overlay: rgba(255, 255, 255, .8);--sidebar-shadow-light: rgba(90, 124, 101, .3);--sidebar-shadow-medium: rgba(90, 124, 101, .4);--sidebar-shadow-strong: rgba(90, 124, 101, .5)}.right-panel-content{padding:8px 20px;height:calc(100vh - 64px);overflow-y:auto;overflow-x:hidden;background:linear-gradient(135deg,#f0ede7,#e8e2d5);border-left:1px solid 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var(--border-color)!important;background:linear-gradient(to bottom,#fafafa,#fff)!important}.right-panel-badge .MuiBadge-badge{background-color:var(--primary-color)!important;color:#fff!important;font-size:.7rem!important;height:20px!important;min-width:20px!important;border-radius:10px!important;font-weight:600!important}.MuiCollapse-root{transition:height .3s cubic-bezier(.25,.46,.45,.94)!important}.MuiTooltip-tooltip{background-color:var(--text-primary)!important;border-radius:var(--radius-small)!important;font-size:.8rem!important;padding:8px 12px!important;box-shadow:var(--shadow-medium)!important}.MuiTooltip-arrow{color:var(--text-primary)!important}@media (max-width: 768px){.right-panel-content{padding:16px}.right-panel-grid{grid-template-columns:repeat(2,1fr);gap:10px}.right-panel-symbol-button{font-size:1rem!important;min-height:40px!important}.right-panel-action-grid{grid-template-columns:1fr;gap:8px}.right-panel-filter-chips{gap:6px}.right-panel-filter-chips 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.MuiChip-outlined{border-color:var(--border-color)!important}.right-panel-filter-chips .MuiChip-outlined:hover{background-color:var(--background-medium)!important}.filter-results-info{margin-top:16px!important;display:flex!important;justify-content:space-between!important;align-items:center!important}.results-count{color:var(--text-secondary)!important}.clear-filters-btn{font-size:.75rem!important;text-transform:none!important;color:var(--text-secondary)!important}.clear-filters-btn:focus{outline:none}.section-toggle-button{width:100%!important;justify-content:space-between!important;text-transform:none!important;padding:8px 16px!important;color:#fff!important;background-color:#403d39!important;border-radius:4px!important;border:1px solid var(--border-color)!important;transition:all var(--transition-medium)!important}.section-toggle-button:hover{transform:translateY(-1px)!important;box-shadow:var(--shadow-light)!important}.section-toggle-title{font-weight:600!important;color:#fff}.section-toggle-header{display:flex!important;align-items:center!important;gap:8px!important}.action-button-icon{font-size:1rem!important}.symbol-tooltip{text-align:center!important}.tooltip-title{font-weight:500!important}.tooltip-latex{opacity:.8!important}.symbols-count-badge .MuiBadge-badge{background-color:var(--primary-color)!important;color:#fff!important;font-size:.7rem!important;height:18px!important;min-width:18px!important}.no-symbols-found{text-align:center!important;padding:32px 0!important;background-color:var(--background-light)!important;border-radius:var(--radius-medium)!important;border:1px dashed var(--border-color)!important}.no-symbols-title{color:var(--text-secondary)!important;margin-bottom:8px!important}.no-symbols-subtitle{color:var(--text-secondary)!important}@media (prefers-reduced-motion: reduce){.right-panel-symbol-button,.right-panel-action-button,.qactions-toggle-btn,.right-panel-filter-chips .MuiChip-root{transition:none!important;animation:none!important}}.menu-bar{z-index:100;position:fixed;left:50%;transform:translate(-50%);bottom:5%;background-color:#fff;border-radius:8px;padding:4px;box-shadow:0 2px 6px #0000000d,0 10px 25px #00000014;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.menu-bar.collapsed{left:auto;right:20px;top:20px;bottom:auto;transform:none;padding:4px 0;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000014,0 16px 32px #0000001f;animation:collapsePulse 2s infinite}.menu-bar.collapsed:hover{transform:scale(1.05);box-shadow:0 6px 16px #0000001f,0 20px 40px #00000029;animation:none}.menu-bar-wrap{display:flex;align-items:center;gap:2px}.menu-controls-container{animation:fadeInScale .3s cubic-bezier(.16,1,.3,1);display:flex;align-items:center;background:#ffffff14;border-radius:4px;padding:4px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);gap:.5rem}.menu-bar-btn{color:#4b5563!important;border-radius:4px!important;padding:6px!important;transition:all .2s cubic-bezier(.25,.46,.45,.94)!important}.menu-bar-btn:hover{background:#ffffff26;transform:scale(1.05)}.menu-bar-btn:focus{outline:none;border:none!important}.menu-bar-btn:disabled{opacity:.4;transform:none}.menu-bar-divider{background:#fff3!important;margin:4px 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5px;font-size:1.5rem;font-weight:600;color:#111827}.modal-body{margin:0;color:#343a40;font-size:14px;font-weight:400}.modal-actions{display:flex;justify-content:flex-end;margin-top:14px}.modal-actions button{margin-left:20px;padding:8px 10px;border-radius:5px;color:#343a40;font-size:14px;background-color:#dee2e6}.modal-actions button.primary{background:#403d39;color:#fff}.modal-actions button:focus{outline:none}.instructions-modal{max-width:600px;overflow-y:auto;background:linear-gradient(135deg,#fff,#f8f9fa);border-radius:8px;padding:0;box-shadow:0 10px 25px #00000026;border:1px solid rgba(0,0,0,.1)}.instructions-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px 12px;border-bottom:1px solid #e9ecef;background:linear-gradient(135deg,#fff,#f8f9fa);border-radius:8px 8px 0 0}.instructions-header .modal-title{margin:0;font-size:1.5rem;font-weight:600;color:#1f2937}.close-button{background:none;border:none;font-size:24px;cursor:pointer;color:#6b7280;padding:4px 8px;border-radius:4px;transition:all .2s ease;line-height:1}.close-button:hover{background:#6b72801a;color:#374151}.instructions-content{padding:20px 24px;max-height:calc(80vh - 140px);overflow-y:auto}.instruction-section{margin-bottom:24px}.instruction-section:last-child{margin-bottom:0}.instruction-section h3{margin:0 0 12px;font-size:1.1rem;font-weight:600;color:#1f2937;display:flex;align-items:center;gap:8px}.instruction-section ul{margin:0;padding-left:20px;list-style-type:disc}.instruction-section li{margin-bottom:8px;color:#4b5563;line-height:1.5;font-size:14px}.instruction-section li:last-child{margin-bottom:0}.instruction-section li ul{margin-top:8px}.instruction-section li li{color:#6b7280;font-size:13px}kbd{background-color:#f3f4f6;border:1px solid #d1d5db;border-radius:3px;box-shadow:0 1px 1px 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