.statistics-panel{padding:var(--spacing-3);background:var(--color-bg-secondary);border:2px solid var(--color-border-light);border-radius:var(--radius-md);margin-bottom:var(--spacing-3)}.statistics-panel h3{margin:0 0 var(--spacing-3) 0;font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-fg-primary);line-height:var(--line-height-tight)}.stat-section{margin-bottom:var(--spacing-3);padding-bottom:var(--spacing-3);border-bottom:1px solid var(--color-border-light)}.stat-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.stat-section h4{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-accent-primary)}.stat-table{width:100%;font-size:var(--font-size-sm);border-collapse:collapse}.stat-table td{padding:4px 0;line-height:var(--line-height-base)}.stat-table td:first-child{color:var(--color-fg-secondary);width:40%}.stat-table td:last-child{font-weight:var(--font-weight-medium);text-align:right;font-family:var(--font-family-mono)}.control-panel{display:flex;flex-direction:column;gap:0;padding:0;height:100%;background:var(--color-bg-primary)}.control-section{padding:var(--spacing-3);border-bottom:1px solid var(--color-border-light)}.control-section:last-child{border-bottom:none}.control-section h3{margin:0 0 var(--spacing-3) 0;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-accent-primary);text-transform:uppercase;letter-spacing:.05em;padding-bottom:var(--spacing-2);border-bottom:1px solid var(--color-border-light)}.form-group{margin-bottom:var(--spacing-3)}.form-group:last-child{margin-bottom:0}.form-group label{display:block;margin-bottom:var(--spacing-2);font-size:var(--font-size-sm);color:var(--color-fg-secondary);font-weight:var(--font-weight-medium)}.form-group input[type=checkbox]{margin-right:var(--spacing-2);cursor:pointer}.form-group input[type=text],.form-group input[type=number],.form-group select{width:100%;padding:8px var(--spacing-2);border:2px solid var(--color-border-medium);border-radius:var(--radius-base);font-size:var(--font-size-base);font-family:var(--font-family-primary);background:var(--color-bg-primary);color:var(--color-fg-primary);transition:border-color .2s ease;min-height:38px}.form-group input[type=number]{font-family:var(--font-family-mono);text-align:right}.form-group input[type=text]:focus,.form-group input[type=number]:focus,.form-group select:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 3px #4482b41a}button{padding:8px 16px;border:2px solid transparent;border-radius:var(--radius-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .2s ease;font-family:var(--font-family-primary);min-height:36px}button:disabled{opacity:.5;cursor:not-allowed}.btn{width:100%;text-align:center}.btn-primary{background-color:var(--color-accent-primary);color:#fff;border:2px solid transparent}.btn-primary:hover:not(:disabled){background-color:#3574a0;transform:translateY(-1px);box-shadow:0 2px 8px #4482b44d}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-success{background-color:var(--color-success);color:#fff;border:2px solid transparent}.btn-success:hover:not(:disabled){background-color:#45a049;transform:translateY(-1px);box-shadow:0 2px 8px #4caf504d}.btn-success:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:#fff;color:var(--color-fg-primary);border:2px solid var(--color-border-medium);margin-top:var(--spacing-2)}.btn-secondary:hover:not(:disabled){background-color:var(--color-bg-secondary);border-color:var(--color-accent-primary)}.btn-large{padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold)}.file-info{margin-top:var(--spacing-3);padding:var(--spacing-2);background:var(--color-bg-secondary);border-radius:var(--radius-base);border:2px solid var(--color-border-light)}.file-info p{margin:0;font-size:var(--font-size-sm);color:var(--color-fg-primary)}.file-info p strong{color:var(--color-fg-primary);font-weight:var(--font-weight-semibold)}.text-small{font-size:var(--font-size-xs)!important;color:var(--color-fg-secondary)!important;margin-top:4px!important}.multi-column-selector{width:100%}.selector-label{display:block;margin-bottom:var(--spacing-2);font-size:var(--font-size-sm);color:var(--color-fg-secondary);font-weight:var(--font-weight-medium)}.column-list{border:2px solid var(--color-border-medium);border-radius:var(--radius-base);padding:var(--spacing-2);background:var(--color-bg-primary);max-height:300px;overflow-y:auto}.dataset-group{margin-bottom:var(--spacing-2)}.dataset-group:last-child{margin-bottom:0}.dataset-group-header{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--color-accent-primary);text-transform:uppercase;letter-spacing:.05em;padding:4px var(--spacing-2);margin-bottom:4px;background:var(--color-bg-secondary);border-radius:var(--radius-sm)}.column-checkbox{display:flex;align-items:center;padding:var(--spacing-2);cursor:pointer;border-radius:var(--radius-base);transition:background-color .2s;font-size:var(--font-size-sm)}.column-checkbox:hover{background:var(--color-bg-secondary)}.column-checkbox.disabled{opacity:.5;cursor:not-allowed}.column-checkbox.disabled:hover{background:transparent}.column-checkbox input[type=checkbox]{margin-right:var(--spacing-2);cursor:pointer}.column-name{color:var(--color-fg-primary)}.selected-info{margin-top:var(--spacing-2);font-size:var(--font-size-xs);color:var(--color-fg-secondary);font-style:italic}.dataset-list{display:flex;flex-direction:column;gap:var(--spacing-2)}.dataset-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-2);border:2px solid var(--color-border-medium);border-radius:var(--radius-base);background:var(--color-bg-primary);transition:all .2s}.dataset-item:hover{background:var(--color-bg-secondary)}.dataset-item.active{border-color:var(--color-accent-primary);background:#4482b40d}.dataset-radio{display:flex;align-items:center;flex:1;cursor:pointer;gap:var(--spacing-2)}.dataset-radio input[type=radio]{cursor:pointer;margin:0}.dataset-info{display:flex;flex-direction:column;gap:4px}.dataset-name{font-size:var(--font-size-sm);color:var(--color-fg-primary);font-weight:var(--font-weight-medium)}.dataset-stats{font-size:var(--font-size-xs);color:var(--color-fg-secondary)}.btn-remove{width:28px;height:28px;padding:0;border:none;border-radius:var(--radius-base);background:var(--color-bg-secondary);color:var(--color-fg-secondary);font-size:var(--font-size-md);line-height:1;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-remove:hover{background:var(--color-error);color:#fff}.update-checker{position:fixed;top:var(--spacing-3);right:var(--spacing-3);z-index:1000;max-width:400px}.update-notification,.update-downloading,.update-error{background:var(--color-bg-primary);border:2px solid var(--color-border-light);border-radius:var(--radius-md);box-shadow:0 4px 6px #0000001a,0 2px 4px #0000000f;padding:var(--spacing-3);animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.update-content{display:flex;align-items:flex-start;gap:var(--spacing-2);margin-bottom:var(--spacing-3)}.update-icon,.download-icon,.error-icon{font-size:var(--font-size-lg);flex-shrink:0}.update-text{flex:1}.update-text strong{display:block;margin-bottom:4px;color:var(--color-fg-primary);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold)}.update-text p{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-sm);color:var(--color-fg-secondary);line-height:var(--line-height-base)}.update-notes{margin-top:var(--spacing-2);font-size:var(--font-size-sm)}.update-notes summary{cursor:pointer;color:var(--color-accent-primary);font-weight:var(--font-weight-medium);-webkit-user-select:none;user-select:none}.update-notes summary:hover{text-decoration:underline}.update-body{margin-top:var(--spacing-2);padding:var(--spacing-2);background:var(--color-bg-secondary);border-radius:var(--radius-base);white-space:pre-wrap;font-size:var(--font-size-xs);line-height:var(--line-height-relaxed);max-height:200px;overflow-y:auto}.update-actions{display:flex;gap:var(--spacing-2)}.update-actions button{flex:1}.update-downloading{text-align:center}.download-header{display:flex;align-items:center;justify-content:center;gap:var(--spacing-2);margin-bottom:var(--spacing-3)}.download-header strong{color:var(--color-fg-primary);font-weight:var(--font-weight-semibold)}.progress-bar{width:100%;height:8px;background:var(--color-bg-tertiary);border:1px solid var(--color-border-medium);border-radius:var(--radius-base);overflow:hidden;margin-bottom:var(--spacing-2)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-accent-primary) 0%,var(--color-accent-secondary) 100%);transition:width .3s ease}.progress-text{margin:var(--spacing-2) 0 0 0;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-accent-primary)}.installing-text{margin:var(--spacing-2) 0 0 0;font-size:var(--font-size-sm);color:var(--color-fg-secondary);font-style:italic}.update-error{background:#ef53501a;border:2px solid var(--color-error);display:flex;align-items:center;gap:var(--spacing-2)}.error-icon{color:var(--color-error)}.error-message{flex:1;font-size:var(--font-size-sm);color:var(--color-error)}.btn-close{background:none;border:none;font-size:var(--font-size-lg);color:var(--color-error);cursor:pointer;padding:0;width:24px;height:24px;min-height:24px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-base);transition:background-color .2s}.btn-close:hover{background:#ef535033}.btn-check-updates{background:var(--color-bg-primary);border:2px solid var(--color-border-medium);color:var(--color-fg-primary);padding:8px 16px;border-radius:var(--radius-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all .2s;min-height:36px}.btn-check-updates:hover:not(:disabled){background:var(--color-bg-secondary);border-color:var(--color-accent-primary)}.btn-check-updates:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 640px){.update-checker{left:var(--spacing-3);right:var(--spacing-3);max-width:none}.update-actions{flex-direction:column}}.app{display:flex;flex-direction:column;height:100vh;font-family:var(--font-family-primary);background:var(--color-bg-secondary)}.app-header{background:var(--color-bg-primary);border-bottom:2px solid var(--color-border-light);padding:var(--spacing-3) var(--spacing-5);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-3);min-height:56px}.app-header h1{margin:0;font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--color-fg-primary)}.app-header .subtitle{margin:0 0 0 var(--spacing-3);font-size:var(--font-size-sm);color:var(--color-fg-secondary);font-weight:var(--font-weight-regular)}.julia-badge{margin-left:auto;background:var(--color-success);color:#fff;padding:4px var(--spacing-2);border-radius:var(--radius-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.app-content{display:flex;flex:1;overflow:hidden}.sidebar{width:320px;flex-shrink:0;background:var(--color-bg-primary);border-right:2px solid var(--color-border-light);overflow-y:auto}.main-content{flex:1;background:var(--color-bg-secondary);padding:var(--spacing-4);overflow:hidden;display:flex;flex-direction:column}.placeholder{display:flex;align-items:center;justify-content:center;height:100%;background:var(--color-bg-primary);border-radius:var(--radius-md);border:2px dashed var(--color-border-medium)}.placeholder-content{text-align:center;color:var(--color-fg-secondary)}.placeholder-content svg{margin-bottom:var(--spacing-4);opacity:.5}.placeholder-content h2{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-lg);color:var(--color-fg-primary);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight)}.placeholder-content p{margin:0;font-size:var(--font-size-base);color:var(--color-fg-secondary);line-height:var(--line-height-base)}@media (max-width: 768px){.app-content{flex-direction:column}.sidebar{width:100%;max-height:50vh;border-right:none;border-bottom:2px solid var(--color-border-light)}.main-content{flex:1;padding:var(--spacing-3)}.app-header{padding:var(--spacing-2) var(--spacing-3)}.app-header h1{font-size:var(--font-size-md)}.app-header .subtitle{font-size:var(--font-size-xs)}}@media (max-width: 640px){.app-header{flex-direction:column;align-items:flex-start}.julia-badge{margin-left:0}}:root{--color-bg-primary: #FFFFFF;--color-bg-secondary: #FAFAFA;--color-bg-tertiary: #F0F0F0;--color-fg-primary: #000000;--color-fg-secondary: #696D79;--color-fg-tertiary: #A0A0A0;--color-border-light: #E8E8E8;--color-border-medium: #E0E0E0;--color-border-dark: #D0D0D0;--color-accent-primary: #4482B4;--color-accent-secondary: #FF9C5C;--color-accent-tertiary: #FFB380;--color-success: #4CAF50;--color-warning: #FFA726;--color-error: #EF5350;--color-info: #29B6F6;--color-data-primary: #2196F3;--color-data-secondary: #FF9800;--color-data-tertiary: #9C27B0;--color-data-quaternary: #4CAF50;--font-family-primary: "Inter", "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Helvetica Neue", "Arial", sans-serif;--font-family-mono: "JetBrains Mono", "SF Mono", "Consolas", "Monaco", "Liberation Mono", "Courier New", monospace;--font-size-xs: .64rem;--font-size-sm: .8rem;--font-size-base: 1rem;--font-size-md: 1.25rem;--font-size-lg: 1.563rem;--font-size-xl: 1.953rem;--font-size-2xl: 2.441rem;--font-weight-light: 300;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-base: 1.5;--line-height-relaxed: 1.75;--spacing-0: 0;--spacing-1: 6px;--spacing-2: 12px;--spacing-3: 18px;--spacing-4: 24px;--spacing-5: 30px;--spacing-6: 36px;--spacing-8: 48px;--spacing-10: 60px;--radius-none: 0;--radius-sm: 4px;--radius-base: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--primary: var(--color-accent-primary);--primary-hover: #3574A0;--secondary: var(--color-fg-secondary);--success: var(--color-success);--bg: var(--color-bg-primary);--bg-secondary: var(--color-bg-secondary);--border: var(--color-border-medium);--text: var(--color-fg-primary);--text-secondary: var(--color-fg-secondary)}*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family-primary);font-size:var(--font-size-base);line-height:var(--line-height-base);font-weight:var(--font-weight-regular);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--color-fg-primary);background:var(--color-bg-secondary)}#root{width:100%;height:100vh}