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.footer-copyright-browse{color:var(--color-gray-400)}@media (max-width:1024px){.footer-grid-browse{gap:var(--spacing-xl);grid-template-columns:2fr 1fr 1fr}.app-content{margin-left:16rem}}@media (max-width:480px){.footer-grid-browse{gap:var(--spacing-md);grid-template-columns:1fr}.footer-dataset-info-browse{align-items:flex-start;gap:var(--spacing-xs);flex-direction:column}.footer-tech-stack-browse{gap:var(--spacing-xs);flex-direction:column}}.dataset-controls-browse{align-items:center;gap:var(--spacing-lg);display:flex}.sort-controls-browse{align-items:center;gap:var(--spacing-sm);display:flex}.sort-label-browse{font-size:var(--font-size-sm);color:var(--color-gray-600);font-weight:var(--font-weight-medium)}.sort-btn-browse{padding:var(--spacing-xs)var(--spacing-sm);border:1px solid var(--color-gray-300);color:var(--color-gray-600);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);cursor:pointer;background-color:#fff;transition:all .2s}.sort-btn-browse:hover{border-color:var(--color-primary-400);background-color:var(--color-primary-50);color:var(--color-primary-700)}.sort-btn-browse.active{border-color:var(--color-primary-600);background-color:var(--color-primary-600);color:#fff}.bulk-delete-btn-browse{align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs)var(--spacing-sm);border:1px solid var(--color-red-300);background-color:var(--color-red-50);color:var(--color-red-600);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);cursor:pointer;transition:all .2s;display:flex}.bulk-delete-btn-browse:hover{background-color:var(--color-red-100);border-color:var(--color-red-400)}.upload-error-browse{margin-bottom:var(--spacing-lg);border:1px solid var(--color-red-200);background-color:var(--color-red-50)}.upload-error-content-browse{align-items:center;gap:var(--spacing-sm);display:flex}.upload-error-icon-browse{font-size:var(--font-size-lg)}.upload-error-text-browse{color:var(--color-red-700);font-size:var(--font-size-sm)}.drag-drop-area-browse{margin-bottom:var(--spacing-lg);border:2px dashed var(--color-gray-300);border-radius:var(--border-radius-lg);background-color:var(--color-gray-50);transition:all .3s}.drag-drop-content-browse{padding:var(--spacing-2xl);text-align:center;cursor:pointer;transition:all .3s}.drag-drop-content-browse:hover{background-color:var(--color-primary-50);border-color:var(--color-primary-400)}.drag-drop-content-browse.drag-over{background-color:var(--color-primary-100);border-color:var(--color-primary-500);transform:scale(1.02)}.drag-drop-icon-browse{margin:0 auto var(--spacing-md);color:var(--color-gray-400);transition:color .3s}.drag-drop-content-browse:hover .drag-drop-icon-browse{color:var(--color-primary-600)}.drag-drop-title-browse{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin:0 0 var(--spacing-sm)0}.drag-drop-description-browse{font-size:var(--font-size-sm);color:var(--color-gray-600);margin:0 0 var(--spacing-lg)0;line-height:1.6}.supported-formats-browse{justify-content:center;gap:var(--spacing-sm);display:flex}.format-tag-browse{padding:var(--spacing-xs)var(--spacing-sm);background-color:var(--color-gray-200);color:var(--color-gray-700);border-radius:var(--border-radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium)}.dataset-card-actions-browse{gap:var(--spacing-xs);opacity:0;transition:opacity .2s;display:flex}.dataset-card-browse:hover .dataset-card-actions-browse{opacity:1}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}@media (max-width:768px){.dataset-controls-browse{align-items:stretch;gap:var(--spacing-md);flex-direction:column}.sort-controls-browse{flex-wrap:wrap;justify-content:center}.drag-drop-content-browse{padding:var(--spacing-lg)}.drag-drop-icon-browse{width:32px;height:32px}.supported-formats-browse{flex-direction:column;align-items:center}}.dark .sort-btn-browse{background-color:var(--color-gray-800);border-color:var(--color-gray-600);color:var(--color-gray-300)}.dark .sort-btn-browse:hover{background-color:var(--color-primary-900);border-color:var(--color-primary-600);color:var(--color-primary-300)}.dark .sort-btn-browse.active{background-color:var(--color-primary-600);border-color:var(--color-primary-600);color:#fff}.dark .bulk-delete-btn-browse{background-color:var(--color-red-950);border-color:var(--color-red-800);color:var(--color-red-400)}.dark .bulk-delete-btn-browse:hover{background-color:var(--color-red-900);border-color:var(--color-red-700)}.dark .upload-error-browse{background-color:var(--color-red-950);border-color:var(--color-red-800)}.dark .upload-error-text-browse{color:var(--color-red-400)}.dark .drag-drop-area-browse{background-color:var(--color-gray-900);border-color:var(--color-gray-700)}.dark .drag-drop-content-browse:hover{background-color:var(--color-primary-950);border-color:var(--color-primary-600)}.dark .drag-drop-title-browse{color:var(--color-gray-100)}.dark .drag-drop-description-browse{color:var(--color-gray-400)}.dark .format-tag-browse{background-color:var(--color-gray-700);color:var(--color-gray-300)}.dataset-header-browse{margin-bottom:var(--spacing-lg)}.dataset-header-content-browse{justify-content:space-between;align-items:center;gap:var(--spacing-md);display:flex}.dataset-title-browse{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-gray-900);margin:0}.dataset-subtitle-browse{font-size:var(--font-size-sm);color:var(--color-gray-600);margin:0}.dataset-actions-browse{gap:var(--spacing-sm);display:flex}.dataset-filter-browse{margin-bottom:var(--spacing-lg)}.dataset-search-browse{justify-content:space-between;align-items:center;gap:var(--spacing-md);display:flex}.search-input-wrapper-browse{flex:1;max-width:400px;position:relative}.search-icon-browse{left:var(--spacing-sm);width:16px;height:16px;color:var(--color-gray-400);position:absolute;top:50%;transform:translateY(-50%)}.search-input-browse{width:100%;padding:var(--spacing-sm)var(--spacing-sm)var(--spacing-sm)var(--spacing-xl);border:1px solid var(--color-gray-300);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);transition:border-color .2s}.search-input-browse:focus{border-color:var(--color-primary-600);outline:none;box-shadow:0 0 0 3px #0ea5e91a}.dataset-stats-browse{align-items:center;display:flex}.dataset-count-browse{font-size:var(--font-size-sm);color:var(--color-gray-600)}.upload-progress-browse{margin-bottom:var(--spacing-lg);border:1px solid var(--color-blue-200);background-color:var(--color-blue-50)}.upload-progress-content-browse{align-items:center;gap:var(--spacing-md);display:flex}.upload-progress-info-browse{align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--color-blue-700);display:flex}.upload-icon-browse{width:16px;height:16px;color:var(--color-blue-600);animation:2s infinite pulse}.progress-bar-browse{background-color:var(--color-blue-200);border-radius:var(--border-radius-full);flex:1;height:8px;overflow:hidden}.progress-fill-browse{background:linear-gradient(90deg,var(--color-blue-500),var(--color-blue-600));border-radius:var(--border-radius-full);height:100%;transition:width .3s}.progress-text-browse{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-blue-700);min-width:40px}.active-dataset-browse{margin-bottom:var(--spacing-lg);border:2px solid var(--color-green-200);background-color:var(--color-green-50)}.active-dataset-header-browse{align-items:center;gap:var(--spacing-sm);display:flex}.active-dataset-icon-browse{padding:var(--spacing-sm);background-color:var(--color-green-100);color:var(--color-green-600);border-radius:var(--border-radius-md);justify-content:center;align-items:center;display:flex}.active-dataset-title-browse{font-size:var(--font-size-xs);color:var(--color-green-700);text-transform:uppercase;font-weight:var(--font-weight-semibold);letter-spacing:.05em;margin:0}.active-dataset-name-browse{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-green-900);margin:0}.active-badge-browse{padding:var(--spacing-xs)var(--spacing-sm);background-color:var(--color-green-100);color:var(--color-green-700);border-radius:var(--border-radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);margin-left:auto}.active-dataset-description-browse{color:var(--color-green-700);margin-bottom:var(--spacing-md)}.active-dataset-stats-browse{gap:var(--spacing-lg);margin-bottom:var(--spacing-md);display:flex}.stat-item-browse{gap:var(--spacing-xs);flex-direction:column;display:flex}.stat-label-browse{font-size:var(--font-size-xs);color:var(--color-green-600);font-weight:var(--font-weight-medium)}.stat-value-browse{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);color:var(--color-green-900)}.datasets-section-title-browse{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin:0}.datasets-section-subtitle-browse{font-size:var(--font-size-sm);color:var(--color-gray-600);margin:0}.datasets-grid-browse{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}.dataset-card-browse{border:1px solid var(--color-gray-200);border-radius:var(--border-radius-lg);background-color:#fff;transition:all .2s;overflow:hidden}.dataset-card-browse:hover{border-color:var(--color-primary-300);box-shadow:var(--shadow-md);transform:translateY(-1px)}.dataset-card-browse.active{border-color:var(--color-green-400);background-color:var(--color-green-50)}.dataset-card-header-browse{padding:var(--spacing-md);border-bottom:1px solid var(--color-gray-100);justify-content:space-between;align-items:center;display:flex}.dataset-card-icon-browse{padding:var(--spacing-sm);background-color:var(--color-primary-100);color:var(--color-primary-600);border-radius:var(--border-radius-md);justify-content:center;align-items:center;display:flex}.dataset-card-browse.active .dataset-card-icon-browse{background-color:var(--color-green-100);color:var(--color-green-600)}.dataset-card-actions-browse{gap:var(--spacing-xs);display:flex}.action-btn-browse{padding:var(--spacing-xs);background-color:var(--color-gray-100);color:var(--color-gray-600);border-radius:var(--border-radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;transition:all .2s;display:flex}.action-btn-browse:hover{background-color:var(--color-gray-200);color:var(--color-gray-700)}.action-btn-browse.danger:hover{background-color:var(--color-red-100);color:var(--color-red-600)}.dataset-card-content-browse{padding:var(--spacing-md)}.dataset-card-title-browse{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin:0 0 var(--spacing-xs)0}.dataset-card-browse.active .dataset-card-title-browse{color:var(--color-green-900)}.dataset-card-description-browse{font-size:var(--font-size-sm);color:var(--color-gray-600);margin:0 0 var(--spacing-md)0;line-height:1.5}.dataset-card-browse.active .dataset-card-description-browse{color:var(--color-green-700)}.dataset-card-stats-browse{gap:var(--spacing-md);margin-bottom:var(--spacing-md);display:flex}.dataset-stat-browse{align-items:center;gap:var(--spacing-xs);flex-direction:column;display:flex}.dataset-stat-value-browse{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);color:var(--color-primary-600)}.dataset-card-browse.active .dataset-stat-value-browse{color:var(--color-green-600)}.dataset-stat-label-browse{font-size:var(--font-size-xs);color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.05em}.dataset-card-meta-browse{margin-top:var(--spacing-sm)}.upload-date-browse{font-size:var(--font-size-xs);color:var(--color-gray-500)}.dataset-card-footer-browse{padding:var(--spacing-md);border-top:1px solid var(--color-gray-100)}.dataset-card-browse.active .dataset-card-footer-browse{border-top-color:var(--color-green-200)}.empty-datasets-browse{text-align:center;padding:var(--spacing-2xl)}.empty-icon-browse{width:48px;height:48px;color:var(--color-gray-400);margin:0 auto var(--spacing-md)}.empty-title-browse{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-gray-700);margin:0 0 var(--spacing-sm)0}.empty-description-browse{font-size:var(--font-size-sm);color:var(--color-gray-600);margin:0 0 var(--spacing-lg)0;max-width:400px;margin-left:auto;margin-right:auto}.modal-overlay-browse{z-index:100;padding:var(--spacing-md);background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content-browse{border-radius:var(--border-radius-lg);box-shadow:var(--shadow-xl);background-color:#fff;flex-direction:column;width:100%;max-width:800px;max-height:80vh;display:flex;overflow:hidden}.modal-header-browse{padding:var(--spacing-lg);border-bottom:1px solid var(--color-gray-200);justify-content:space-between;align-items:center;display:flex}.modal-title-browse{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin:0}.modal-close-browse{color:var(--color-gray-500);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--border-radius-md);background:0 0;border:none;font-size:24px;transition:all .2s}.modal-close-browse:hover{background-color:var(--color-gray-100);color:var(--color-gray-700)}.modal-body-browse{padding:var(--spacing-lg);flex:1;overflow-y:auto}.preview-stats-browse{gap:var(--spacing-lg);margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background-color:var(--color-gray-50);border-radius:var(--border-radius-md);display:flex}.preview-stat-browse{align-items:center;gap:var(--spacing-sm);display:flex}.preview-stat-label-browse{font-size:var(--font-size-sm);color:var(--color-gray-600)}.preview-stat-value-browse{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-gray-900)}.preview-table-wrapper-browse{border:1px solid var(--color-gray-200);border-radius:var(--border-radius-md);overflow-x:auto}.preview-table-browse{border-collapse:collapse;width:100%}.preview-th-browse{background-color:var(--color-gray-50);color:var(--color-gray-700);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);padding:var(--spacing-sm)var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-gray-200);white-space:nowrap}.preview-td-browse{padding:var(--spacing-sm)var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-gray-900);border-bottom:1px solid var(--color-gray-100);text-overflow:ellipsis;white-space:nowrap;max-width:150px;overflow:hidden}.preview-more-browse{text-align:center;color:var(--color-gray-500);font-style:italic}.modal-footer-browse{justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--color-gray-200);display:flex}.dark .dataset-title-browse,.dark .datasets-section-title-browse,.dark .dataset-card-title-browse,.dark .active-dataset-name-browse,.dark .modal-title-browse{color:var(--color-gray-100)}.dark .dataset-subtitle-browse,.dark .datasets-section-subtitle-browse,.dark .dataset-card-description-browse,.dark .dataset-count-browse{color:var(--color-gray-400)}.dark .search-input-browse{background-color:var(--color-gray-800);border-color:var(--color-gray-600);color:var(--color-gray-100)}.dark .search-input-browse:focus{border-color:var(--color-primary-400)}.dark .dataset-card-browse{background-color:var(--color-gray-800);border-color:var(--color-gray-700)}.dark .dataset-card-browse:hover{border-color:var(--color-primary-500)}.dark .modal-content-browse{background-color:var(--color-gray-800)}.dark .modal-header-browse,.dark .modal-footer-browse{border-color:var(--color-gray-700)}.dark .preview-stats-browse{background-color:var(--color-gray-900)}.dark .preview-table-wrapper-browse{border-color:var(--color-gray-700)}.dark .preview-th-browse{background-color:var(--color-gray-900);color:var(--color-gray-300);border-color:var(--color-gray-700)}.dark .preview-td-browse{color:var(--color-gray-200);border-color:var(--color-gray-700)}@media (max-width:768px){.dataset-header-content-browse{align-items:stretch;gap:var(--spacing-md);flex-direction:column}.dataset-search-browse{gap:var(--spacing-sm);flex-direction:column}.search-input-wrapper-browse{max-width:none}.datasets-grid-browse{grid-template-columns:1fr}.active-dataset-stats-browse{flex-wrap:wrap}.dataset-card-stats-browse{justify-content:space-around}.modal-content-browse{margin:var(--spacing-sm);max-height:calc(100vh - 2*var(--spacing-sm))}.preview-stats-browse{gap:var(--spacing-sm);flex-direction:column}}.chat-header-browse{align-items:center;gap:var(--spacing-sm);display:flex}.chat-header-icon-browse{padding:var(--spacing-sm);background-color:var(--color-primary-100);color:var(--color-primary-600);border-radius:var(--border-radius-lg);justify-content:center;align-items:center;display:flex}.chat-header-title-browse{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-gray-900);margin:0}.chat-header-subtitle-browse{font-size:var(--font-size-xs);color:var(--color-gray-600);margin:0}.dark .chat-header-icon-browse{background-color:var(--color-primary-900);color:var(--color-primary-400)}.dark .chat-header-title-browse{color:var(--color-gray-100)}.dark .chat-header-subtitle-browse{color:var(--color-gray-400)}@media (max-width:768px){.footer-content-browse{padding:0 var(--spacing-md)}.footer-grid-browse{gap:var(--spacing-lg);grid-template-columns:1fr 1fr}.footer-bottom-browse{gap:var(--spacing-md);text-align:center;flex-direction:column}.footer-tech-stack-browse{justify-content:center}.app-content{margin-left:0}.sidebar-browse{z-index:50;width:100%;height:100vh;transition:transform .3s ease-in-out;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar-browse.open{transform:translate(0)}.stat-card-browse{padding:var(--spacing-md)}.stat-value-browse{font-size:1.5rem}}.text-primary-browse{color:var(--color-primary-600)}.text-success-browse{color:#059669}.text-warning-browse{color:#d97706}.text-error-browse{color:#dc2626}.bg-primary-browse{background-color:var(--color-primary-600)}.bg-success-browse{background-color:#059669}.bg-warning-browse{background-color:#d97706}.bg-error-browse{background-color:#dc2626}.focus-ring-browse:focus{outline:none;box-shadow:0 0 0 3px #3b82f61a}.scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}.scrollbar-hide::-webkit-scrollbar{display:none}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-duration{syntax:"*";inherits:false}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}:root{--totl-primary-background: rgba(0,0,0,.8);--totl-primary-font-color: #fff;--totl-primate-font-descolor: #cecece;--color-primary-50: #f0f9ff;--color-primary-100: #e0f2fe;--color-primary-200: #bae6fd;--color-primary-300: #7dd3fc;--color-primary-400: #38bdf8;--color-primary-500: #0ea5e9;--color-primary-600: #0284c7;--color-primary-700: #0369a1;--color-primary-800: #075985;--color-primary-900: #0c4a6e;--color-gray-50: #fafafa;--color-gray-100: #f4f4f5;--color-gray-200: #e4e4e7;--color-gray-300: #d4d4d8;--color-gray-400: #a1a1aa;--color-gray-500: #71717a;--color-gray-600: #52525b;--color-gray-700: #3f3f46;--color-gray-800: #27272a;--color-gray-900: #18181b;--color-success-500: #10b981;--color-success-600: #059669;--color-error-500: #ef4444;--color-error-600: #dc2626;--color-warning-500: #f59e0b;--color-warning-600: #d97706;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: .75rem;--spacing-lg: 1rem;--spacing-xl: 1.5rem;--spacing-2xl: 2rem;--spacing-3xl: 3rem;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--shadow-xs: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--border-radius-xs: .125rem;--border-radius-sm: .25rem;--border-radius-md: .375rem;--border-radius-lg: .5rem;--border-radius-xl: .75rem;--border-radius-2xl: 1rem;--border-radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--color-gray-900);line-height:var(--line-height-normal);font-size:var(--font-size-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.btn-professional{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);border:none;border-radius:var(--border-radius-lg);font-family:inherit;font-size:var(--font-size-sm);font-weight:600;line-height:1;text-decoration:none;cursor:pointer;transition:var(--transition-fast);position:relative;overflow:hidden;white-space:nowrap;-webkit-user-select:none;-moz-user-select:none;user-select:none}.btn-professional:focus{outline:none;box-shadow:0 0 0 3px #0ea5e933}.btn-professional:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn-primary-pro{background:linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-700) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary-pro:hover:not(:disabled){background:linear-gradient(135deg,var(--color-primary-700) 0%,var(--color-primary-800) 100%);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary-pro:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-secondary-pro{background:#fff;color:var(--color-gray-700);border:1.5px solid var(--color-gray-300);box-shadow:var(--shadow-xs)}.btn-secondary-pro:hover:not(:disabled){background:var(--color-gray-50);border-color:var(--color-gray-400);color:var(--color-gray-900);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-secondary-pro:active{transform:translateY(0);background:var(--color-gray-100)}.btn-success-pro{background:linear-gradient(135deg,var(--color-success-500) 0%,var(--color-success-600) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-success-pro:hover:not(:disabled){background:linear-gradient(135deg,var(--color-success-600) 0%,#047857 100%);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-danger-pro{background:linear-gradient(135deg,var(--color-error-500) 0%,var(--color-error-600) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-danger-pro:hover:not(:disabled){background:linear-gradient(135deg,var(--color-error-600) 0%,#b91c1c 100%);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-ghost-pro{background:transparent;color:var(--color-gray-600);border:1px solid transparent}.btn-ghost-pro:hover:not(:disabled){background:var(--color-gray-100);color:var(--color-gray-900)}.btn-outline-pro{background:transparent;color:var(--color-primary-600);border:1.5px solid var(--color-primary-600)}.btn-outline-pro:hover:not(:disabled){background:var(--color-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn-sm{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-xs);border-radius:var(--border-radius-md)}.btn-lg{padding:var(--spacing-lg) var(--spacing-2xl);font-size:var(--font-size-base);border-radius:var(--border-radius-xl)}.btn-xl{padding:var(--spacing-xl) var(--spacing-3xl);font-size:var(--font-size-lg);border-radius:var(--border-radius-xl)}.btn-icon{padding:var(--spacing-md);border-radius:var(--border-radius-lg);aspect-ratio:1}.btn-icon.btn-sm{padding:var(--spacing-sm);border-radius:var(--border-radius-md)}.btn-icon.btn-lg{padding:var(--spacing-lg);border-radius:var(--border-radius-xl)}.btn-group{display:inline-flex;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.btn-group .btn-professional{border-radius:0;border-right:1px solid rgba(255,255,255,.2)}.btn-group .btn-professional:first-child{border-top-left-radius:var(--border-radius-lg);border-bottom-left-radius:var(--border-radius-lg)}.btn-group .btn-professional:last-child{border-top-right-radius:var(--border-radius-lg);border-bottom-right-radius:var(--border-radius-lg);border-right:none}.btn-loading{position:relative;color:transparent!important}.btn-loading:after{content:"";position:absolute;width:16px;height:16px;top:50%;left:50%;margin-left:-8px;margin-top:-8px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:btn-spin 1s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn-fab{position:fixed;bottom:var(--spacing-2xl);right:var(--spacing-2xl);width:56px;height:56px;border-radius:var(--border-radius-full);background:linear-gradient(135deg,var(--color-primary-600) 0%,var(--color-primary-700) 100%);color:#fff;border:none;box-shadow:var(--shadow-lg);cursor:pointer;transition:var(--transition-normal);z-index:1000}.btn-fab:hover{transform:scale(1.1);box-shadow:var(--shadow-xl)}.btn-fab:active{transform:scale(1.05)}.app-container{min-height:100vh;position:relative;display:flex;align-items:center;gap:var(--spacing-md)}#root{max-width:100%;margin:0 auto;text-align:left}.app-container{min-height:100vh;position:relative}.logo{animation:logo-spin infinite 20s linear}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.card{padding:2em}.read-the-docs{color:#888}.dashboard-section{margin-bottom:var(--spacing-xl)}.dashboard-grid{display:grid;grid-template-columns:1fr 2fr;gap:var(--spacing-xl)}.visualization-heading{margin:0}.visualization-empty{height:600px;display:flex;align-items:center;justify-content:center}.visualization-empty-content{text-align:center;max-width:400px}.visualization-icon-wrapper{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary-500),var(--color-primary-600));display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-lg);color:#fff}.visualization-canvas-heading{margin-bottom:var(--spacing-sm)}.visualization-canvas-description{margin-bottom:var(--spacing-lg)}.chart-options-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.chart-option-card{padding:var(--spacing-md);text-align:center}.search-input-styled{width:100%;padding:var(--spacing-md);border:1px solid var(--color-gray-300);border-radius:var(--border-radius-lg);font-size:var(--font-size-base);transition:var(--transition-fast);background:#fff}.search-input-styled:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #3b82f61a}.upload-drop-zone{border:2px dashed var(--color-gray-300);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);text-align:center;transition:var(--transition-fast);cursor:pointer}.upload-drop-zone:hover,.upload-drop-zone.drag-over{border-color:var(--color-primary-500);background-color:var(--color-primary-50)}.analytics-heading{margin:0}.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg)}.analytics-header{display:flex;align-items:center;margin-bottom:var(--spacing-md)}.analytics-content{padding:var(--spacing-lg);background:linear-gradient(135deg,var(--color-primary-50),var(--color-primary-100));border-radius:var(--border-radius-lg);border:1px solid var(--color-primary-200)}.analytics-title{font-size:var(--font-size-sm);font-weight:700;margin-bottom:var(--spacing-xs);color:var(--color-primary-700)}.analytics-list{font-size:var(--font-size-xs);color:var(--color-primary-600);margin-left:var(--spacing-md);margin-top:var(--spacing-xs)}.analytics-metrics{padding:var(--spacing-md);background:#ffffffb3;border-radius:var(--border-radius-lg);border:1px solid var(--color-gray-200)}.metrics-header{display:flex;align-items:center;margin-bottom:var(--spacing-sm);font-weight:700;color:var(--color-primary-700)}.metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.metric-card{text-align:center;padding:var(--spacing-xs);border-radius:var(--border-radius)}.metric-card-primary{background-color:var(--color-primary-50)}.metric-card-success{background-color:var(--color-success-50)}.metric-value{font-size:var(--font-size-lg);font-weight:700;color:var(--color-primary-600)}.metric-value-success{font-size:var(--font-size-lg);font-weight:700;color:var(--color-success-600)}.metric-label{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.column-selector{margin-bottom:var(--spacing-lg)}.column-selector-label{display:block;margin-bottom:var(--spacing-sm);font-weight:700}.column-selector-wrapper{position:relative;display:flex;align-items:center;gap:var(--spacing-sm)}.column-selector-select{flex:1;padding:var(--spacing-sm);border:1px solid var(--color-gray-300);border-radius:var(--border-radius);background:#fff;font-size:var(--font-size-sm)}.column-selector-help{font-size:var(--font-size-xs);color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.trend-results-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);background:linear-gradient(135deg,var(--color-primary-100),var(--color-primary-200));border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-lg)}.trend-results-title{margin:0;color:var(--color-primary-700);font-weight:700}.trend-results-subtitle{margin:0;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.column-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.column-stats-card{padding:var(--spacing-md);background:var(--color-gray-50);border-radius:var(--border-radius-lg);border:1px solid var(--color-gray-200)}.column-stats-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-sm);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--color-primary-200)}.column-stats-metrics{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.column-stats-details{font-size:var(--font-size-sm)}.stats-row{display:flex;justify-content:space-between;margin-bottom:var(--spacing-xs);padding:var(--spacing-xs)}.stats-row-alt{background-color:#00000005}.trend-summary{background-color:var(--color-gray-50);padding:var(--spacing-lg);border-radius:var(--border-radius);margin-bottom:var(--spacing-lg)}.trend-summary-title{margin:0 0 var(--spacing-sm) 0;color:var(--color-text);display:flex;align-items:center}.trend-summary-content{font-size:var(--font-size-sm)}.trend-summary-item{margin-bottom:var(--spacing-xs)}.logo-container{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl);cursor:pointer;transition:all var(--transition-fast);padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid rgba(255,255,255,.1);position:relative;overflow:hidden;background:linear-gradient(135deg,#1e3a8a,#1e40af,#2563eb);box-shadow:0 4px 16px #1e3a8a4d}.logo-container:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease;pointer-events:none}.logo-container:hover:before{left:100%}.logo-container:hover{background:linear-gradient(135deg,#1e40af,#2563eb,#3b82f6);border-color:#fff3;transform:scale(1.02);box-shadow:0 6px 20px #1e3a8a66}.logo-container:active{transform:scale(.98)}.logo-icon{width:40px;height:40px;padding:var(--spacing-sm);background:linear-gradient(135deg,#fff,#f1f5f9);border-radius:var(--border-radius-md);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 8px #0003;flex-shrink:0;position:relative;transition:all var(--transition-fast)}.logo-container:hover .logo-icon{box-shadow:0 6px 12px #00000040;transform:rotate(2deg);background:linear-gradient(135deg,#f8fafc,#fff)}.logo-icon:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.2),transparent);border-radius:var(--border-radius-md);pointer-events:none}.logo-text{-webkit-user-select:none;-moz-user-select:none;user-select:none;flex:1}.logo-title{margin:0;font-weight:700;font-size:var(--font-size-lg);color:#fff;line-height:var(--line-height-tight);letter-spacing:-.025em;text-shadow:0 2px 4px rgba(0,0,0,.3);transition:all var(--transition-fast)}.logo-container:hover .logo-title{color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.2)}.logo-subtitle{margin:0;font-size:var(--font-size-xs);color:#e0e7ff;line-height:var(--line-height-normal);font-weight:500;opacity:.95;transition:all var(--transition-fast)}.logo-container:hover .logo-subtitle{opacity:1;color:#e5e7eb}