*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #eff6ff;--color-success: #16a34a;--color-success-light: #f0fdf4;--color-warning: #d97706;--color-warning-light: #fffbeb;--color-error: #dc2626;--color-error-light: #fef2f2;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--radius: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}body{font-family:var(--font-family);color:var(--color-gray-800);background:var(--color-gray-50);line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#fff;border-bottom:1px solid var(--color-gray-200);padding:1.25rem 2rem}.app-header-top{display:flex;align-items:center;justify-content:space-between;max-width:860px;margin:0 auto}.app-nav{display:flex;gap:.25rem;background:var(--color-gray-100);border-radius:var(--radius);padding:.2rem}.app-nav-btn{padding:.35rem 1rem;font-size:.84rem;font-weight:500;border:none;background:transparent;color:var(--color-gray-500);border-radius:calc(var(--radius) - 2px);cursor:pointer;transition:background .15s,color .15s}.app-nav-btn:hover{color:var(--color-gray-700)}.app-nav-btn--active{background:#fff;color:var(--color-gray-900);box-shadow:var(--shadow-sm);font-weight:600}.app-logo-row{display:flex;align-items:center;gap:.5rem}.app-logo-icon{width:2rem;height:2rem;flex-shrink:0}.app-title{font-size:1.75rem;font-weight:700;color:var(--color-gray-900);letter-spacing:-.025em}.app-subtitle{font-size:.9rem;color:var(--color-gray-500);margin-top:.25rem}.app-main{flex:1;max-width:860px;width:100%;margin:0 auto;padding:2rem 1.5rem}.app-main:has(.about-page){max-width:100%;padding:0}.app-footer{border-top:1px solid var(--color-gray-200);padding:1rem;text-align:center;font-size:.8rem;color:var(--color-gray-400)}.app-footer-counter{font-size:.8rem;color:var(--color-gray-500);margin:0 0 .25rem;letter-spacing:.01em}.app-footer-counter strong{color:var(--color-primary);font-variant-numeric:tabular-nums}.app-footer-copy{font-size:.75rem;color:var(--color-gray-400);margin:0}.app-footer a{color:var(--color-primary);text-decoration:none}.step-indicator{display:flex;align-items:center;justify-content:center;gap:0;padding:1.5rem 2rem;background:#fff}.step-dot{display:flex;flex-direction:column;align-items:center;gap:.35rem}.step-num{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;border:2px solid var(--color-gray-300);color:var(--color-gray-400);background:#fff;transition:all .2s}.step-dot.active .step-num{border-color:var(--color-primary);background:var(--color-primary);color:#fff}.step-dot.completed .step-num{border-color:var(--color-success);background:var(--color-success);color:#fff}.step-label{font-size:.75rem;color:var(--color-gray-400);font-weight:500}.step-dot.active .step-label{color:var(--color-primary)}.step-dot.completed .step-label{color:var(--color-success)}.step-line{width:80px;height:2px;background:var(--color-gray-200);margin:0 .5rem 1.5rem;transition:background .2s}.step-line.completed{background:var(--color-success)}.sub-step-nav{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem;flex-wrap:wrap}.sub-step-indicator{display:flex;gap:.5rem;flex-wrap:wrap}.btn-back{display:inline-flex;align-items:center;gap:.25rem;padding:.3rem .75rem;border-radius:999px;font-size:.75rem;font-weight:700;background:#fef2f2;color:#b91c1c;border:1px solid #fca5a5;cursor:pointer;transition:all .15s;white-space:nowrap}.btn-back:hover:not(:disabled){background:#fee2e2;color:#991b1b;border-color:#f87171}.btn-back:disabled{opacity:.4;cursor:not-allowed}.sub-step{padding:.3rem .75rem;border-radius:999px;font-size:.75rem;font-weight:500;background:var(--color-gray-100);color:var(--color-gray-400);transition:all .2s}.sub-step.active{background:var(--color-primary-light);color:var(--color-primary);font-weight:600}.sub-step.completed{background:var(--color-success-light);color:var(--color-success)}.sub-step.completed:hover{background:var(--color-success);color:#fff;text-decoration:underline}.step h2{font-size:1.4rem;font-weight:700;margin-bottom:1.25rem;color:var(--color-gray-900)}.step h3{font-size:1.1rem;font-weight:600;margin-bottom:.75rem;color:var(--color-gray-800)}.step-hint{color:var(--color-gray-500);font-size:.88rem;margin-bottom:1rem}.step-note{background:var(--color-warning-light);border:1px solid #fde68a;border-radius:var(--radius);padding:.75rem 1rem;font-size:.85rem;color:var(--color-gray-700);margin-bottom:1rem}.step-actions{margin-top:1.5rem;display:flex;gap:.75rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1.25rem;border:none;border-radius:var(--radius);font-family:var(--font-family);font-size:.88rem;font-weight:500;cursor:pointer;transition:all .15s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:#fff;color:var(--color-gray-700);border:1px solid var(--color-gray-300)}.btn-secondary:hover{background:var(--color-gray-50)}.btn-outline{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary-light)}.btn-text{background:none;border:none;color:var(--color-gray-600);font-weight:600;padding:.5rem 0;cursor:pointer}.btn-text:hover{color:var(--color-gray-800)}.btn-sm{padding:.35rem .75rem;font-size:.8rem}.btn-disabled,.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-generate{padding:.75rem 2rem;font-size:1rem;font-weight:600}.analysis-type-buttons{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}.btn-choice{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:2rem 1.5rem;background:#fff;border:2px solid var(--color-gray-200);border-radius:var(--radius-lg);cursor:pointer;transition:all .2s;position:relative}.btn-choice:hover:not(.btn-disabled){border-color:var(--color-primary);box-shadow:var(--shadow-md)}.choice-icon{font-size:2rem}.choice-label{font-weight:600;font-size:1rem;color:var(--color-gray-800)}.choice-desc{font-size:.8rem;color:var(--color-gray-500);text-align:center}.choice-badge{position:absolute;top:.75rem;right:.75rem;background:var(--color-gray-200);color:var(--color-gray-500);font-size:.65rem;font-weight:600;padding:.15rem .5rem;border-radius:999px;text-transform:uppercase}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:500;font-size:.88rem;color:var(--color-gray-700);margin-bottom:.35rem}.input-text{width:100%;max-width:400px;padding:.55rem .75rem;border:1px solid var(--color-gray-300);border-radius:var(--radius);font-family:var(--font-family);font-size:.88rem;color:var(--color-gray-800);transition:border-color .15s}.input-text:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.input-spinner{width:70px;padding:.4rem .5rem;border:1px solid var(--color-gray-300);border-radius:var(--radius);font-family:var(--font-family);font-size:.88rem;text-align:center}.toggle-option{display:flex;align-items:center;gap:.5rem;padding:.4rem 0;cursor:pointer;font-size:.88rem}.radio-option{display:flex;align-items:center;gap:.5rem;padding:.35rem 0;cursor:pointer;font-size:.88rem}.radio-group{margin-bottom:.75rem}.radio-group-label{font-weight:500;font-size:.85rem;color:var(--color-gray-600);margin-bottom:.25rem;display:block}.spinner-option{display:flex;align-items:center;gap:.75rem;padding:.4rem 0;font-size:.88rem}.options-section{background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);padding:1rem 1.25rem;margin-bottom:.75rem}.options-section-advanced{border-color:var(--color-gray-200);background:var(--color-gray-50)}.options-advanced{margin-top:.5rem}.data-table{width:100%;border-collapse:collapse;font-size:.85rem;margin-bottom:1rem}.data-table th{text-align:left;padding:.6rem .75rem;border-bottom:2px solid var(--color-gray-200);font-weight:600;font-size:.8rem;color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.025em}.data-table td{padding:.55rem .75rem;border-bottom:1px solid var(--color-gray-100);color:var(--color-gray-700)}.data-table tbody tr{cursor:pointer;transition:background .1s}.data-table tbody tr:hover{background:var(--color-gray-50)}.data-table .row-selected{background:var(--color-primary-light)!important}.values-cell{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selection-summary{font-size:.85rem;color:var(--color-gray-500);font-weight:500;margin-top:.5rem}.summary-filtered{color:var(--color-gray-400);font-weight:400}.var-search-wrap{display:flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);padding:.4rem .75rem;margin-bottom:.75rem;transition:border-color .15s}.var-search-wrap:focus-within{border-color:var(--color-primary, #6366f1);box-shadow:0 0 0 2px #6366f11a}.var-search-icon{font-size:.85rem;flex-shrink:0;opacity:.5}.var-search-input{flex:1;border:none;outline:none;font-size:.86rem;background:transparent;color:var(--color-gray-800);min-width:0}.var-search-input::placeholder{color:var(--color-gray-400)}.var-search-clear{background:none;border:none;cursor:pointer;color:var(--color-gray-400);font-size:.8rem;padding:0 .1rem;flex-shrink:0;line-height:1;transition:color .15s}.var-search-clear:hover{color:var(--color-gray-700)}mark.fuzzy-match{background:#fef08a;color:inherit;font-weight:700;padding:0;border-radius:2px}.float-divider td{text-align:center;padding:.3rem 0;font-size:.72rem;color:var(--color-gray-400);letter-spacing:.04em;border:none;background:transparent;pointer-events:none}.float-divider span{border-top:1px dashed var(--color-gray-200);display:block;line-height:0;padding-top:.6rem}.no-results{text-align:center;color:var(--color-gray-400);font-size:.85rem;padding:1rem 0!important;font-style:italic}.search-count{font-weight:400;color:var(--color-gray-400);font-size:.78rem}.type-badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.72rem;font-weight:500;background:var(--color-gray-100);color:var(--color-gray-600)}.badge-id{display:inline-block;margin-left:.4rem;padding:.1rem .4rem;border-radius:999px;font-size:.68rem;font-weight:600;background:#fef9c3;color:#854d0e;vertical-align:middle;letter-spacing:.03em}.upload-panel{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:1.5rem}.drop-zone{width:100%;border:2px dashed var(--color-gray-300);border-radius:var(--radius-lg);padding:2.5rem 1.5rem;text-align:center;cursor:pointer;transition:all .2s;background:#fff}.drop-zone:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.drop-zone-content p{margin:.25rem 0}.drop-icon{font-size:2.5rem;display:block;margin-bottom:.5rem}.drop-hint{font-size:.8rem;color:var(--color-gray-400)}.upload-divider{display:flex;align-items:center;gap:1rem;width:100%;color:var(--color-gray-400);font-size:.85rem}.upload-divider:before,.upload-divider:after{content:"";flex:1;height:1px;background:var(--color-gray-200)}.upload-loading{display:flex;align-items:center;gap:.75rem;color:var(--color-gray-500);font-size:.88rem}.demo-panel{border:1px solid var(--color-gray-200);border-radius:var(--radius-lg);overflow:hidden;background:#fff}.demo-panel-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--color-gray-50);border-bottom:1px solid var(--color-gray-200)}.demo-panel-title{font-size:.85rem;font-weight:600;color:var(--color-gray-700);text-transform:uppercase;letter-spacing:.04em}.demo-close{background:none;border:none;color:var(--color-gray-400);cursor:pointer;font-size:.9rem;padding:2px 6px;border-radius:4px;line-height:1}.demo-close:hover{background:var(--color-gray-100);color:var(--color-gray-700)}.demo-options{display:flex;flex-direction:column}.demo-option{padding:16px;border-bottom:1px solid var(--color-gray-100)}.demo-option:last-child{border-bottom:none}.demo-option--messy{background:var(--color-gray-50)}.demo-option-body{display:flex;gap:12px;margin-bottom:12px}.demo-option-icon{font-size:1.4rem;line-height:1;flex-shrink:0;margin-top:2px}.demo-option-text strong{font-size:.9rem;color:var(--color-gray-800);display:block;margin-bottom:3px}.demo-option-text p{font-size:.8rem;color:var(--color-gray-500);line-height:1.45;margin:0}.demo-option-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.btn-sm{padding:6px 14px!important;font-size:.8rem!important}.format-notice{background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);padding:1.25rem;margin-top:1rem}.format-notice h4{font-size:.9rem;font-weight:600;margin-bottom:.75rem;color:var(--color-gray-700)}.format-notice ul{list-style:none;padding:0}.format-notice li{font-size:.82rem;color:var(--color-gray-600);padding:.3rem 0 .3rem 1.25rem;position:relative}.format-notice li:before{content:"•";position:absolute;left:0;color:var(--color-gray-400)}.format-notice code{background:var(--color-gray-100);padding:.1rem .35rem;border-radius:3px;font-size:.78rem}.phi-warning{display:flex;gap:.75rem;align-items:flex-start;background:#fff7ed;border:1.5px solid #f97316;border-radius:var(--radius);padding:.85rem 1rem;margin-bottom:1.1rem}.phi-warning-icon{font-size:1.25rem;flex-shrink:0;margin-top:.05rem}.phi-warning strong{display:block;font-size:.88rem;color:#9a3412;margin-bottom:.3rem}.phi-warning p{margin:0;font-size:.81rem;color:#7c2d12;line-height:1.5}.example-table{margin-top:1rem;overflow-x:auto}.example-table table{border-collapse:collapse;font-size:.78rem;width:100%;max-width:360px}.example-table th,.example-table td{padding:.35rem .75rem;border:1px solid var(--color-gray-200);text-align:left}.example-table th{background:var(--color-gray-100);font-weight:600;color:var(--color-gray-600)}.feedback-panel{background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);padding:1rem 1.25rem;margin:1rem 0}.feedback-clean{background:var(--color-success-light);border-color:#bbf7d0;display:flex;align-items:center;gap:.5rem}.feedback-clean p{color:var(--color-success);font-weight:500}.feedback-panel h4{font-size:.9rem;font-weight:600;margin-bottom:.5rem}.feedback-messages{list-style:none;padding:0}.feedback-item{display:flex;align-items:flex-start;gap:.5rem;padding:.3rem 0;font-size:.85rem;color:var(--color-gray-700)}.feedback-icon{flex-shrink:0}.data-summary{background:var(--color-primary-light);border:1px solid #bfdbfe;border-radius:var(--radius);padding:.75rem 1rem;font-size:.88rem;color:var(--color-gray-700)}.error-banner{background:var(--color-error-light);border:1px solid #fecaca;border-radius:var(--radius);padding:.75rem 1rem;color:var(--color-error);font-size:.88rem;margin-bottom:1rem}.error-banner--phi{background:#fff7ed;border-color:#f97316;color:#9a3412}.error-banner--phi strong{font-size:.9rem;display:block;margin-bottom:.3rem;color:#7c2d12}.error-banner--phi p{margin:.3rem 0 0;font-size:.84rem;line-height:1.5}.error-phi-hint{padding-top:.5rem;border-top:1px solid #fed7aa;margin-top:.5rem!important;font-style:italic}.info-banner{background:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius);padding:.65rem 1rem;color:#1d4ed8;font-size:.85rem;margin-bottom:1rem}.success-banner{background:var(--color-success-light);border:1px solid #bbf7d0;border-radius:var(--radius);padding:.75rem 1rem;font-size:.88rem;color:var(--color-success);display:flex;align-items:center;gap:.5rem;margin-bottom:1.5rem}.sortable-item{display:flex;align-items:center;gap:.75rem;padding:.6rem 1rem;background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);margin-bottom:.35rem;cursor:grab;-webkit-user-select:none;user-select:none;font-size:.88rem;transition:box-shadow .15s}.sortable-item:hover{box-shadow:var(--shadow-sm)}.sortable-item:active{cursor:grabbing}.drag-handle{color:var(--color-gray-400);font-size:1.1rem;letter-spacing:2px}.drag-index{background:var(--color-gray-200);color:var(--color-gray-600);width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:600;flex-shrink:0}.drag-type{margin-left:auto;font-size:.75rem;color:var(--color-gray-400)}.drag-order-list,.ordering-quick-headers{margin-bottom:.75rem}.ordering-quick-headers-label{display:block;font-size:.75rem;font-weight:600;color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.4rem}.ordering-quick-headers-chips{display:flex;flex-wrap:wrap;gap:.4rem}.ordering-chip{font-size:.75rem;padding:.2rem .65rem;border:1px solid var(--color-gray-300);border-radius:999px;background:#fff;color:var(--color-gray-700);cursor:pointer;transition:background .12s,border-color .12s,color .12s;white-space:nowrap}.ordering-chip:hover{background:var(--color-primary, #2563eb);border-color:var(--color-primary, #2563eb);color:#fff}.ordering-dup-notice{margin-top:.4rem;font-size:.78rem;color:var(--color-warning, #b45309)}.ordering-toolbar{margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}.ordering-gemini-badge{font-size:.68rem;color:var(--color-gray-400);letter-spacing:.01em}.ordering-smart-desc{font-size:.75rem;color:var(--color-gray-400);margin:-.4rem 0 .75rem;line-height:1.4}.ordering-progress-wrap{display:flex;align-items:center;gap:.6rem;margin-bottom:.75rem}.ordering-progress-bar{height:6px;flex:1;background:var(--color-primary, #2563eb);border-radius:99px;width:100%;transition:background-color .5s ease}.ordering-progress-bar--done{background:#16a34a}.ordering-progress-bar--indeterminate{background:linear-gradient(90deg,var(--color-gray-200, #e5e7eb) 0%,var(--color-primary, #2563eb) 40%,var(--color-gray-200, #e5e7eb) 100%);background-size:200% 100%;animation:shimmer 1.4s infinite ease-in-out}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.ordering-progress-label{font-size:.7rem;color:var(--color-gray-400);white-space:nowrap;min-width:8rem}.ordering-list{margin:.75rem 0}.ordering-var-row{cursor:grab}.ordering-var-row:active{cursor:grabbing}.ordering-var-name{flex:1;font-family:var(--font-mono, monospace)}.ordering-add-header-btn{margin-left:auto;padding:.15rem .5rem;font-size:.7rem;color:var(--color-gray-500);background:transparent;border:1px dashed var(--color-gray-300);border-radius:var(--radius);cursor:pointer;white-space:nowrap;transition:color .15s,border-color .15s}.ordering-add-header-btn:hover{color:var(--color-primary, #6366f1);border-color:var(--color-primary, #6366f1)}.ordering-header-row{background:#f5f3ff;border:1px dashed #a78bfa;border-radius:var(--radius);margin-bottom:.35rem;padding:.4rem .75rem;display:flex;align-items:center;gap:.5rem;cursor:default;-webkit-user-select:none;user-select:none}.ordering-header-icon{font-size:.9rem;color:#7c3aed;flex-shrink:0}.ordering-header-input{flex:1;border:none;background:transparent;font-size:.83rem;font-weight:600;color:#4c1d95;outline:none;min-width:0}.ordering-header-input::placeholder{color:#c4b5fd;font-weight:400}.ordering-header-remove{padding:0 .3rem;font-size:.9rem;line-height:1;color:var(--color-gray-400);background:transparent;border:none;cursor:pointer;border-radius:var(--radius);transition:color .15s}.ordering-header-remove:hover{color:#ef4444}.reference-picker{margin:.75rem 0}.download-primary{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-bottom:1rem}.btn-download{display:flex;flex-direction:column;align-items:flex-start;gap:.2rem;padding:1.25rem 1rem;background:#fff;border:1.5px solid var(--color-gray-200);border-radius:var(--radius);cursor:pointer;transition:all .15s;text-align:left;width:100%}.btn-download:hover:not(.btn-disabled){border-color:var(--color-primary);background:var(--color-primary-light)}.download-icon{font-size:1.6rem;margin-bottom:.2rem}.download-label{font-weight:700;font-size:.92rem;color:var(--color-gray-800)}.download-ext{font-size:.72rem;color:var(--color-gray-400);font-family:var(--font-mono, monospace);margin-top:-.1rem}.download-desc{font-size:.73rem;color:var(--color-gray-400);margin-top:.15rem;line-height:1.3}.download-secondary{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.download-secondary-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray-400);margin-bottom:.1rem}.btn-download-sm{display:flex;flex-direction:row;align-items:center;gap:.6rem;padding:.55rem .9rem;background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);cursor:pointer;transition:all .15s;text-align:left;width:100%}.btn-download-sm:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.download-icon-sm{font-size:1rem;flex-shrink:0;width:1.25rem;text-align:center}.download-label-sm{font-weight:600;font-size:.82rem;color:var(--color-gray-800);flex-shrink:0;min-width:11rem}.download-desc-sm{font-size:.73rem;color:var(--color-gray-400);margin-left:auto}.dl-spinner{display:inline-block;width:1.1rem;height:1.1rem;border:2px solid var(--color-gray-300);border-top-color:var(--color-primary);border-radius:50%;animation:dl-spin .65s linear infinite;flex-shrink:0}.dl-spinner--sm{width:1.25rem;height:.85rem;border-width:2px}@keyframes dl-spin{to{transform:rotate(360deg)}}.btn-download--loading,.btn-download-sm:disabled,.btn-download:disabled{opacity:.7;cursor:not-allowed;pointer-events:none}.btn-download--loading{pointer-events:none}.loading{padding:2rem;text-align:center;color:var(--color-gray-400);font-size:.9rem}.spinner{width:20px;height:20px;border:2px solid var(--color-gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem;color:var(--color-gray-500)}.empty-state{text-align:center;padding:2rem;color:var(--color-gray-400);font-size:.9rem}@media(max-width:600px){.app-main{padding:1rem}.analysis-type-buttons,.download-primary{grid-template-columns:1fr}.download-label-sm{min-width:0}.download-desc-sm{display:none}.step-line{width:40px}}.rcode-tab{position:fixed;right:0;top:50%;transform:translateY(-50%) rotate(0);background:#1e293b;color:#e2e8f0;border:none;border-radius:8px 0 0 8px;padding:12px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;z-index:1000;box-shadow:-2px 0 12px #0003;transition:background .15s,box-shadow .15s}.rcode-tab:hover{background:#2563eb;box-shadow:-2px 0 18px #2563eb59}.rcode-tab-icon{font-size:1rem;font-family:monospace;font-weight:700;letter-spacing:-1px}.rcode-tab-label{font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;writing-mode:vertical-rl;text-orientation:mixed}.rcode-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000040;z-index:1001}.rcode-panel{position:fixed;top:0;right:0;width:420px;max-width:95vw;height:100vh;background:#0f172a;color:#e2e8f0;z-index:1002;display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s cubic-bezier(.4,0,.2,1);box-shadow:-4px 0 24px #0006}.rcode-panel--open{transform:translate(0)}.rcode-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#1e293b;border-bottom:1px solid #334155;flex-shrink:0}.rcode-panel-title{font-size:.9rem;font-weight:600;color:#f1f5f9;display:flex;align-items:center;gap:8px}.rcode-panel-icon{font-family:monospace;font-size:1rem;color:#60a5fa}.rcode-panel-actions{display:flex;align-items:center;gap:8px}.btn-copy{background:#334155;color:#cbd5e1;border:1px solid #475569;border-radius:5px;padding:4px 10px;font-size:.78rem;cursor:pointer;transition:background .15s,color .15s}.btn-copy:hover{background:#475569;color:#f1f5f9}.btn-copy--success{background:#166534;border-color:#16a34a;color:#86efac}.rcode-close{background:none;border:none;color:#94a3b8;font-size:1rem;cursor:pointer;padding:2px 6px;border-radius:4px;line-height:1}.rcode-close:hover{color:#f1f5f9;background:#334155}.rcode-panel-hint{font-size:.75rem;color:#64748b;padding:8px 16px;border-bottom:1px solid #1e293b;flex-shrink:0;line-height:1.4}.rcode-block{flex:1;overflow-y:auto;margin:0;padding:16px;font-family:JetBrains Mono,Fira Code,Cascadia Code,Consolas,monospace;font-size:.75rem;line-height:1.65;color:#cbd5e1;background:#0f172a;white-space:pre;-moz-tab-size:2;tab-size:2}.rcode-block code{font-family:inherit}.about-page{width:100%}.about-hero{background:linear-gradient(135deg,#1e40af,#2563eb 60%,#3b82f6);color:#fff;padding:4rem 2rem}.about-hero-inner{max-width:760px;margin:0 auto}.about-hero-badge{display:inline-block;background:#ffffff26;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:.25rem .85rem;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:1.1rem}.about-hero-title{font-size:2rem;font-weight:700;line-height:1.2;letter-spacing:-.02em;margin-bottom:.4rem}.about-hero-icon{width:3.5rem;height:3.5rem;margin-bottom:1rem;display:block;border-radius:14px;box-shadow:0 0 0 3px #ffffff59,0 4px 16px #00000040}.about-hero-tagline{font-size:.85rem;font-style:italic;color:#ffffff8c;margin-bottom:1.4rem}.about-hero-sub{font-size:1rem;line-height:1.7;color:#ffffffe0;margin-bottom:.9rem}.about-hero-sub strong{color:#fff}.about-hero-actions{display:flex;gap:.75rem;margin-top:2rem;flex-wrap:wrap}.about-section{max-width:860px;margin:0 auto;padding:1.5rem 2rem;border-bottom:1px solid var(--color-gray-100)}.about-section--compact{padding-top:.75rem;padding-bottom:.75rem}.about-section--tinted{background:var(--color-gray-50, #f9fafb);max-width:100%;border-bottom:none}.about-section--tinted>*{max-width:860px;margin-left:auto;margin-right:auto}.about-section-title{font-size:1.3rem;font-weight:700;color:var(--color-gray-900);margin-bottom:.75rem}.about-section-sub{font-size:.9rem;color:var(--color-gray-600);line-height:1.65;margin-bottom:1.5rem}.about-steps{display:flex;flex-direction:column;gap:1.5rem}.about-step{display:flex;gap:1.25rem;align-items:flex-start}.about-step-num{flex-shrink:0;width:2rem;height:2rem;border-radius:50%;background:var(--color-primary, #2563eb);color:#fff;font-weight:700;font-size:.9rem;display:flex;align-items:center;justify-content:center;margin-top:.1rem}.about-step-body>strong{display:block;font-size:.97rem;color:var(--color-gray-900);margin-bottom:.3rem}.about-step-body p{font-size:.88rem;color:var(--color-gray-600);line-height:1.65;margin:0}.about-step-body p strong{display:inline}.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}@media(max-width:640px){.about-cards{grid-template-columns:1fr}}.about-card{background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius-lg, 12px);padding:1.5rem}.about-card-icon{font-size:1.75rem;margin-bottom:.75rem}.about-card h4{font-size:1rem;font-weight:700;color:var(--color-gray-900);margin-bottom:.2rem}.about-card-sub{font-size:.78rem;color:var(--color-gray-400);margin-bottom:.75rem;font-style:italic}.about-card p{font-size:.86rem;color:var(--color-gray-600);line-height:1.6;margin-bottom:.75rem}.about-card-list{list-style:none;padding:0;margin:0}.about-card-list li{font-size:.83rem;color:var(--color-gray-600);padding:.2rem 0 .2rem 1.1rem;position:relative}.about-card-list li:before{content:"✓";position:absolute;left:0;color:#16a34a;font-size:.75rem;top:.25rem}.about-figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-top:.5rem}.about-figures--stacked{grid-template-columns:1fr;max-width:860px}.about-figure{text-align:center}.about-figure-img{width:100%;max-width:400px;border:1px solid var(--color-gray-200);border-radius:var(--radius);box-shadow:var(--shadow-md);background:#fff;padding-top:10px}.about-figure-caption{font-size:.75rem;color:var(--color-gray-500);margin-top:.5rem;font-style:italic;line-height:1.4}.about-figure-download{display:inline-block;margin-top:.6rem;font-size:.78rem;color:var(--color-primary, #2563eb);text-decoration:none;border:1px solid var(--color-primary, #2563eb);padding:.25rem .8rem;border-radius:var(--radius);transition:background .15s}.about-figure-download:hover{background:#eff6ff}.upload-example-links{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;justify-content:center;padding-top:.85rem;margin-top:.5rem;border-top:1px solid var(--color-gray-100)}.upload-example-label{font-size:.76rem;color:var(--color-gray-400)}.upload-example-link{font-size:.76rem;color:var(--color-gray-500);text-decoration:none}.upload-example-link:hover{color:var(--color-primary, #2563eb);text-decoration:underline}.about-test-table-wrap{overflow-x:auto;margin-bottom:1.5rem}.about-test-table{border-collapse:collapse;font-size:.85rem;width:100%}.about-test-table th{background:var(--color-gray-800, #1f2937);color:#fff;font-weight:600;padding:.6rem 1rem;text-align:left;font-size:.82rem}.about-test-table td{padding:.55rem 1rem;border-bottom:1px solid var(--color-gray-100);color:var(--color-gray-700)}.about-test-table tr:nth-child(2n) td{background:var(--color-gray-50, #f9fafb)}.about-table-note{font-size:.77rem;color:var(--color-gray-500);margin-top:.4rem;font-style:italic}.about-normality-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius-lg, 12px);padding:1.5rem}.about-normality-box h4{font-size:.95rem;font-weight:700;color:#1e3a8a;margin-bottom:.6rem}.about-normality-box p{font-size:.87rem;color:#1e40af;line-height:1.65;margin-bottom:.75rem}.about-gates{padding-left:1.25rem;margin:.75rem 0}.about-gates li{font-size:.87rem;color:#1e40af;line-height:1.65;margin-bottom:.5rem}.about-normality-note{font-size:.81rem;color:#3b82f6;font-style:italic;margin-bottom:0!important}.about-outputs{display:flex;flex-direction:column;gap:1.1rem}.about-output{display:flex;gap:1rem;align-items:flex-start}.about-output-icon{font-size:1.4rem;flex-shrink:0;margin-top:.05rem}.about-output strong{display:block;font-size:.93rem;color:var(--color-gray-900);margin-bottom:.15rem}.about-output p{font-size:.85rem;color:var(--color-gray-600);line-height:1.6;margin:0}.about-r-block{margin:1.25rem auto 1rem;max-width:860px}.about-code{background:#0f172a;color:#cbd5e1;font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:.8rem;line-height:1.65;padding:1.25rem;border-radius:var(--radius);overflow-x:auto;white-space:pre;margin:0}.about-r-note{font-size:.84rem;color:var(--color-gray-600);line-height:1.6;margin:.5rem auto 0;max-width:860px}.about-r-note a{color:var(--color-primary, #2563eb)}.about-citation-box{background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);padding:1.25rem;margin:1.25rem 0}.about-citation-label{font-size:.8rem;font-weight:600;color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.6rem}.about-citation{font-size:.87rem;color:var(--color-gray-700);line-height:1.65;border-left:3px solid var(--color-primary, #2563eb);padding-left:1rem;margin:0}.about-citation a{color:var(--color-primary, #2563eb);word-break:break-all}.about-links{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.25rem}.about-link-btn{display:inline-block;padding:.5rem 1rem;font-size:.84rem;font-weight:500;color:var(--color-gray-700);background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);text-decoration:none;transition:border-color .15s,color .15s,box-shadow .15s}.about-link-btn:hover{border-color:var(--color-primary, #2563eb);color:var(--color-primary, #2563eb);box-shadow:var(--shadow-sm)}.table-tray{background:#f8faff;border:1px solid #dbeafe;border-radius:var(--radius-lg, 12px);padding:1rem 1.25rem;margin-bottom:1.5rem}.table-tray-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.table-tray-label{font-size:.78rem;font-weight:700;color:var(--color-gray-500);text-transform:uppercase;letter-spacing:.06em}.table-tray-count{font-size:.78rem;color:var(--color-primary, #2563eb);font-weight:600;background:#dbeafe;padding:.15rem .6rem;border-radius:999px}.table-tray-chips{display:flex;flex-wrap:wrap;gap:.6rem}.table-chip{display:flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--color-gray-200);border-radius:var(--radius);padding:.4rem .75rem;font-size:.82rem}.table-chip--current{border-color:var(--color-primary, #2563eb);background:#eff6ff}.table-chip-num{width:1.25rem;height:1.25rem;border-radius:50%;background:var(--color-gray-200);color:var(--color-gray-600);font-size:.7rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.table-chip--current .table-chip-num{background:var(--color-primary, #2563eb);color:#fff}.table-chip-info{display:flex;flex-direction:column;gap:.05rem}.table-chip-title{font-weight:600;color:var(--color-gray-800)}.table-chip-type{font-size:.7rem;color:var(--color-gray-400)}.table-chip-actions{display:flex;gap:.25rem;margin-left:.25rem}.table-chip-dl{background:none;border:none;cursor:pointer;font-size:.95rem;padding:.1rem .2rem;border-radius:4px;opacity:.7;transition:opacity .15s,background .15s}.table-chip-dl:hover{opacity:1;background:var(--color-gray-100)}.multi-table-section{margin:1.5rem 0;border:1px solid var(--color-gray-200);border-radius:var(--radius-lg, 12px);overflow:hidden}.multi-table-inner{padding:1.25rem}.multi-table-heading{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1rem}.multi-table-icon{font-size:1.4rem;flex-shrink:0;margin-top:.1rem}.multi-table-heading strong{display:block;font-size:.95rem;color:var(--color-gray-900);margin-bottom:.2rem}.multi-table-heading p{font-size:.83rem;color:var(--color-gray-500);margin:0;line-height:1.5}.multi-table-row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.multi-table-title-input{flex:1;min-width:160px;max-width:280px}.bundle-section{margin:1.5rem 0;border:1px solid #fbbf24;border-radius:var(--radius-lg, 12px);background:#fffbeb;overflow:hidden}.bundle-inner{padding:1.25rem}.bundle-heading{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1rem}.bundle-icon{font-size:1.4rem;flex-shrink:0;margin-top:.1rem}.bundle-heading strong{display:block;font-size:.95rem;color:#92400e;margin-bottom:.2rem}.bundle-heading p{font-size:.83rem;color:#b45309;margin:0;line-height:1.5}.bundle-heading code{background:#fde68a;padding:.1rem .3rem;border-radius:3px;font-size:.8rem}.bundle-warning{font-size:.78rem;color:#b45309;margin:.75rem 0 0;line-height:1.5}.normality-preview{max-width:860px}.normality-preview h3{margin:0 0 .5rem;font-size:1.05rem;font-weight:600}.normality-preview__intro{font-size:.88rem;color:#374151;line-height:1.6;margin:0 0 1rem;max-width:680px}.normality-preview__summary{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1rem}.norm-summary{font-size:.78rem;font-weight:600;padding:.2rem .6rem;border-radius:999px}.norm-summary--parametric{background:#d1fae5;color:#065f46}.norm-summary--nonparametric{background:#fef3c7;color:#92400e}.norm-summary--categorical{background:#dbeafe;color:#1e3a8a}.norm-summary--forced{background:#ede9fe;color:#4c1d95}.normality-table-wrap{overflow-x:auto;border:1px solid #e5e7eb;border-radius:8px;margin-bottom:1rem}.normality-table{width:100%;border-collapse:collapse;font-size:.85rem}.normality-table th{background:#f9fafb;color:#374151;font-weight:600;padding:.6rem .9rem;text-align:left;border-bottom:1px solid #e5e7eb;white-space:nowrap}.normality-table__override-col{width:130px;text-align:center!important}.normality-row td{padding:.55rem .9rem;border-bottom:1px solid #f3f4f6;vertical-align:middle}.normality-row:last-child td{border-bottom:none}.normality-row--section-header{background:var(--color-gray-50, #f9fafb)}.normality-row__section-header{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-gray-700, #374151);padding:.65rem .75rem .3rem;border-top:2px solid var(--color-gray-300, #d1d5db)}.normality-row--forced{background:#faf5ff}.normality-row__var{font-weight:500;color:#111827;font-size:.83rem}.normality-row__reason{color:#6b7280;font-size:.78rem;line-height:1.4}.norm-badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.78rem;font-weight:600;padding:.18rem .55rem;border-radius:999px;white-space:nowrap}.norm-badge--parametric{background:#d1fae5;color:#065f46}.norm-badge--nonparametric{background:#fef3c7;color:#92400e}.norm-badge--categorical{background:#dbeafe;color:#1e3a8a}.norm-badge--forced{background:#ede9fe;color:#4c1d95}.norm-badge__tag{font-size:.68rem;font-weight:500;opacity:.75}.norm-toggle{display:inline-flex;align-items:center;gap:.35rem;cursor:pointer;font-size:.8rem;color:#4b5563}.norm-toggle input[type=checkbox]{width:15px;height:15px;cursor:pointer;accent-color:#7c3aed}.norm-toggle__label{-webkit-user-select:none;user-select:none}.norm-toggle__na{color:#d1d5db;font-size:.8rem}.normality-preview__override-note{font-size:.82rem;color:#5b21b6;background:#f5f3ff;border:1px solid #ddd6fe;border-radius:6px;padding:.5rem .8rem;margin:0 0 1rem}.normality-preview__actions{display:flex;gap:.75rem;align-items:center;margin-top:.5rem}.grouping-section{margin-bottom:1.5rem}.grouping-section-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted, #6b7280);margin-bottom:.4rem;padding-left:.1rem}.app-footer-demo-count{opacity:.75}