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var(--transition);display:inline-flex;align-items:center;gap:6px;border:none;font-family:Inter,sans-serif;white-space:nowrap}.btn-primary{background:var(--navy-800);color:var(--text-inverse);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--navy-700);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--bg-surface);color:var(--text-secondary);border:1px solid var(--border-default)}.btn-secondary:hover{border-color:var(--teal-300);color:var(--accent-hover);background:var(--accent-subtle)}.btn-ghost{background:transparent;color:var(--text-muted);padding:6px 8px}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-sunken)}.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-xs);align-items:center}.filter-bar .filter-icon{color:var(--text-muted);display:flex;align-items:center}.filter-item{display:flex;align-items:center;gap:8px}.filter-item label{font-size:12px;font-weight:500;color:var(--text-muted)}.filter-item select,.filter-item input[type=date]{padding:7px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-default);background:var(--bg-base);color:var(--text-primary);font-size:13px;outline:none;font-family:Inter,sans-serif;transition:border-color var(--transition)}.filter-item select:focus,.filter-item input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #2ec4b61a}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:16px}.spinner{width:36px;height:36px;border:3px solid var(--border-default);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.progress-bar{width:100%;max-width:380px;height:4px;background:var(--bg-sunken);border-radius:2px;overflow:hidden}.progress-bar .progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--teal-400));border-radius:2px;transition:width .5s ease}.badge{display:inline-block;padding:2px 8px;border-radius:var(--radius-full);font-size:11px;font-weight:600}.badge-numeric{background:var(--accent-subtle);color:var(--accent-hover)}.badge-categorical{background:#22c55e14;color:#16a34a}.badge-datetime{background:#f59e0b14;color:#d97706}.badge-text{background:#6b728014;color:#6b7280}.badge-boolean{background:#3b82f614;color:#2563eb}.tabs{display:flex;gap:2px;padding:3px;background:var(--bg-sunken);border-radius:var(--radius-md);border:1px solid var(--border-default);margin-bottom:16px}.tab{padding:8px 16px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition);font-family:Inter,sans-serif}.tab:hover{color:var(--text-primary)}.tab.active{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-sm);font-weight:600}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn .35s ease}.animate-fade-in-up{animation:fadeInUp .4s ease}.animate-slide-in{animation:slideInRight .3s ease}.animate-pulse{animation:pulse 2s infinite}.opacity-40{opacity:.4}.pointer-events-none{pointer-events:none}@media (max-width: 768px){.sidebar{width:var(--sidebar-collapsed)}.main-content{margin-left:var(--sidebar-collapsed)!important;padding:16px}.chart-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}.chat-panel{width:100%}}