:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-success: #22c55e;--color-warning: #f59e0b;--color-danger: #ef4444;--color-background: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:var(--color-text);background-color:var(--color-background)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-surface);border-right:1px solid var(--color-border);padding:var(--spacing-lg);position:fixed;top:0;left:0;bottom:0;overflow-y:auto;transition:width .2s ease,padding .2s ease;display:flex;flex-direction:column}.sidebar-logo{font-size:1.5rem;font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-xl)}.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-xs)}.sidebar-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);color:var(--color-text);text-decoration:none;transition:background-color .2s}.sidebar-link:hover{background-color:var(--color-background);text-decoration:none}.sidebar-link.active{background-color:var(--color-primary);color:#fff}.sidebar-link-icon{font-size:1.25rem}.sidebar-link-wrapper{display:flex;align-items:center}.drag-handle{display:flex;align-items:center;justify-content:center;width:14px;color:var(--color-text-muted);opacity:.4;cursor:grab;font-size:.875rem;-webkit-user-select:none;user-select:none;flex-shrink:0}.drag-handle:hover{opacity:.8}.drag-handle:active{cursor:grabbing}.sidebar-link-wrapper .sidebar-link{flex:1}.sidebar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-xl)}.sidebar-toggle{padding:.25rem .5rem;font-size:1rem;opacity:.6}.sidebar-toggle:hover{opacity:1}.sidebar-collapsed{width:64px;padding:var(--spacing-md)}.sidebar-collapsed .sidebar-header{flex-direction:column;gap:.5rem}.sidebar-collapsed .sidebar-logo{font-size:1rem;margin-bottom:0}.sidebar-collapsed 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var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text);transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border)}.table th{font-size:.75rem;font-weight:600;text-transform:uppercase;color:var(--color-text-muted);background-color:var(--color-background)}.table tr:hover{background-color:var(--color-background)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:.125rem var(--spacing-sm);font-size:.75rem;font-weight:500;border-radius:var(--radius-sm)}.badge-primary{background-color:#6366f11a;color:var(--color-primary)}.badge-success{background-color:#22c55e1a;color:var(--color-success)}.badge-warning{background-color:#f59e0b1a;color:var(--color-warning)}.badge-danger{background-color:#ef44441a;color:var(--color-danger)}.badge-success-light{background-color:#22c55e;color:#fff}.badge-secondary{background-color:var(--color-bg-secondary);color:var(--text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md)}.stat-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-lg);border:1px solid 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solid var(--color-border)}.modal-title{font-size:1.125rem;font-weight:600}.modal-body{padding:var(--spacing-lg)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--color-border)}@media (prefers-color-scheme: dark){:root{--color-primary: #818cf8;--color-primary-dark: #6366f1;--color-success: #4ade80;--color-warning: #fbbf24;--color-danger: #f87171;--color-background: #0f172a;--color-surface: #1e293b;--color-border: #334155;--color-text: #f1f5f9;--color-text-muted: #94a3b8}.login-page{background:linear-gradient(135deg,#4338ca,#6d28d9)}.btn-secondary{background-color:var(--color-surface);border-color:var(--color-border)}.btn-secondary:hover{background-color:var(--color-border)}.form-input{background-color:var(--color-background)}.form-input:focus{box-shadow:0 0 0 3px #818cf833}}[data-theme=dark]{--color-primary: #818cf8;--color-primary-dark: #6366f1;--color-success: #4ade80;--color-warning: #fbbf24;--color-danger: 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1rem;font-size:1rem;font-weight:600}.insight-table{width:100%;border-collapse:collapse;font-size:.875rem}.insight-table th,.insight-table td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--color-border)}.insight-table th{font-weight:600;background-color:var(--color-background)}.insight-table-more{margin-top:.5rem;font-size:.75rem;color:var(--color-text-muted);text-align:center}.ask-ai-page{display:flex;flex-direction:column;height:calc(100vh - 2rem);max-height:calc(100vh - 2rem)}.ask-ai-page .page-header{flex-shrink:0}.ask-ai-container{flex:1;display:flex;flex-direction:column;background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);overflow:hidden;min-height:0}.ask-ai-messages{flex:1;overflow-y:auto;padding:1.5rem}.ask-ai-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 1rem;min-height:400px}.ask-ai-empty-icon{font-size:3rem;margin-bottom:1rem}.ask-ai-empty h2{margin-bottom:.5rem;font-size:1.5rem}.ask-ai-empty p{max-width:500px;margin-bottom:2rem}.ask-ai-suggestions{width:100%;max-width:700px}.ask-ai-suggestions-label{font-size:.875rem;color:var(--color-text-muted);margin-bottom:1rem}.ask-ai-suggestion-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:.75rem}.ask-ai-suggestion-chip{padding:.75rem 1rem;background-color:var(--color-surface);border:1px solid var(--color-primary);border-radius:var(--radius-md);font-size:.875rem;color:var(--color-primary);cursor:pointer;transition:all .15s;text-align:left}.ask-ai-suggestion-chip:hover{background-color:var(--color-primary);color:#fff}.ask-ai-message{margin-bottom:1.5rem}.ask-ai-message-user{display:flex;justify-content:flex-end}.ask-ai-message-user .ask-ai-message-content{background-color:var(--color-primary);color:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 var(--radius-lg);max-width:70%}.ask-ai-message-assistant .ask-ai-message-content{background-color:var(--color-background);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;max-width:85%}.ask-ai-message-error .ask-ai-message-content{background-color:#fef2f2;border:1px solid var(--color-danger)}.ask-ai-message-content{padding:1rem 1.25rem}.ask-ai-message-text{white-space:pre-wrap;line-height:1.6}.ask-ai-loading{display:flex;gap:.25rem;padding:.5rem 0}.ask-ai-loading-dot{width:8px;height:8px;background-color:var(--color-text-muted);border-radius:50%;animation:ask-ai-bounce 1.4s infinite ease-in-out both}.ask-ai-loading-dot:nth-child(1){animation-delay:-.32s}.ask-ai-loading-dot:nth-child(2){animation-delay:-.16s}@keyframes ask-ai-bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.ask-ai-visualization{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border)}.ask-ai-chart-container{background:#fff;padding:1rem;border-radius:var(--radius-md)}.ask-ai-export-buttons{display:flex;gap:.5rem;margin-top:.75rem}.ask-ai-export-buttons .btn{font-size:.75rem;padding:.25rem .75rem}.ask-ai-input{padding:1rem 1.5rem;border-top:1px solid var(--color-border);background:var(--color-surface)}.ask-ai-input form{display:flex;gap:.75rem}.ask-ai-input .form-input{flex:1;font-size:1rem;padding:.75rem 1rem}.ask-ai-input .btn-primary{min-width:80px;font-size:1rem}