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1fr;gap:var(--spacing-lg);height:100%}.split-pane{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--spacing-lg);overflow-y:auto;max-height:70vh}.split-pane h4{margin-bottom:var(--spacing-md);color:var(--text-primary)}.split-content{font-family:Fira Code,monospace;font-size:.9rem;line-height:1.8;color:var(--text-secondary);white-space:pre-wrap}.sidebar{position:fixed;left:0;top:80px;bottom:0;width:280px;background:rgba(15,15,26,.95);border-right:1px solid rgba(255,255,255,.1);padding:var(--spacing-lg);overflow-y:auto}.sidebar-section{margin-bottom:var(--spacing-xl)}.sidebar-title{font-size:.75rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:var(--spacing-md)}.sidebar-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);color:var(--text-secondary);border-radius:var(--radius-md);margin-bottom:var(--spacing-xs);transition:all var(--transition-fast)}.sidebar-item:hover,.sidebar-item.active{background:var(--bg-glass);color:var(--text-primary)}.main-with-sidebar{margin-left:280px;padding:var(--spacing-lg)}.toast{position:fixed;bottom:var(--spacing-lg);right:var(--spacing-lg);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-card);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);animation:slideIn .3s ease}.toast-success{border-left:3px solid var(--status-validated)}.toast-error{border-left:3px solid var(--accent-pink)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 768px){.hero h1{font-size:2rem}.hero-stats{flex-direction:column;gap:var(--spacing-lg)}.sidebar{transform:translate(-100%);transition:transform var(--transition-normal)}.sidebar.open{transform:translate(0)}.main-with-sidebar{margin-left:0}.split-view{grid-template-columns:1fr}.nav-links{display:none}}[data-theme=light] .data-table th,[data-theme=light] .data-table td{border-bottom:1px solid #e2e8f0}[data-theme=light] .data-table th{color:#1e293b;background:#f8fafc}[data-theme=light] .data-table tbody tr:hover{background:#e2e8f0}[data-theme=light] table{background:white}[data-theme=light] th{background:#f1f5f9;color:#1e293b}[data-theme=light] td{border-top:1px solid #e2e8f0;background:white}[data-theme=light] tr:hover td{background:#f1f5f9}[data-theme=light] .table-container,[data-theme=light] .card{border:1px solid #e2e8f0}[data-theme=light] .suggestions-dropdown{background:rgba(255,255,255,.98);border:1px solid #e2e8f0;box-shadow:0 4px 20px #0000001a}[data-theme=light] .suggestions-dropdown li{border-bottom:1px solid #e2e8f0}[data-theme=light] .suggestions-dropdown li:hover{background:#f1f5f9}[data-theme=light] .suggestion-value{color:#1e293b}[data-theme=light] .badge{font-weight:600}[data-theme=light] .badge-validated{background:#dcfce7;color:#166534}[data-theme=light] .badge-auto{background:#fef3c7;color:#92400e}[data-theme=light] .badge-info{background:#dbeafe;color:#1e40af}[data-theme=light] .badge-danger{background:#fee2e2;color:#991b1b}[data-theme=light] .tag{background:#e2e8f0;color:#334155;font-weight:500}[data-theme=light] .tag-product{background:#ede9fe;color:#6d28d9}[data-theme=light] .tag-substrate{background:#fce7f3;color:#be185d}[data-theme=light] .tag-reactant{background:#d1fae5;color:#047857}[data-theme=light] .tag-reagent{background:#fef3c7;color:#b45309}[data-theme=light] .tag-catalyst{background:#dbeafe;color:#1d4ed8}[data-theme=light] .tag-solvent{background:#f3f4f6;color:#4b5563}[data-theme=light] .form-input,[data-theme=light] .form-select,[data-theme=light] .form-textarea{background:#ffffff;border:1px solid #cbd5e1;color:#0f172a}[data-theme=light] .form-input::placeholder,[data-theme=light] .form-textarea::placeholder{color:#64748b}[data-theme=light] .form-input:focus,[data-theme=light] .form-select:focus,[data-theme=light] .form-textarea:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e51a}[data-theme=light] .filter-btn{border:1px solid #cbd5e1;color:#334155;background:#ffffff}[data-theme=light] .filter-btn:hover{background:#f1f5f9;border-color:#94a3b8}[data-theme=light] .filter-btn.active{background:#4f46e5;color:#fff;border-color:#4f46e5}[data-theme=light] .card-subtitle{color:#475569}[data-theme=light] .empty-state-icon{opacity:.7}[data-theme=light] .btn-secondary{background:#f1f5f9;color:#334155;border:1px solid #cbd5e1}[data-theme=light] .btn-secondary:hover{background:#e2e8f0}.logo-sapienza-light{display:none}.logo-sapienza-dark,[data-theme=light] .logo-sapienza-light{display:block}[data-theme=light] .logo-sapienza-dark{display:none}.logo-unitus{filter:brightness(0) invert(1)}[data-theme=light] .logo-unitus{filter:none}