:root{--bg-color:#fff;--bg-gradient-start:#f9fafb;--surface-color:#fff;--surface-color-elevated:#fff;--panel-color:#f9fafb;--panel-accent:#f9fafb;--dropzone-active:#eff6ff;--text-primary:#111827;--text-secondary:#6b7280;--accent-color:#111;--accent-color-strong:#000;--focus-ring:#00000026;--border-color:#e5e7eb;--border-strong:#d1d5db;--progress-track:#e5e7eb;--spinner-muted:#d1d5db;--status-success:#10b981;--status-error:#ef4444;--shadow-elevated:0 1px 3px 0 #0000001a,0 1px 2px -1px #0000001a;--shadow-hover:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}#root,body,html{height:100%}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fff;background:var(--bg-color);color:#111827;color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;margin:0;transition:background .2s ease,color .2s ease}#root,body{min-height:100vh}.free-forever-msg{color:var(--accent-color);font-size:1rem;font-weight:500;margin-top:16px;text-align:center}.page-section{background:var(--panel-color);padding:80px 24px 120px}.page-container{grid-gap:40px;display:grid;gap:40px;margin:0 auto;max-width:960px;text-align:center}.page-container h1{color:var(--text-primary);font-size:2.5rem;font-weight:700;letter-spacing:-.025em;margin-bottom:16px}.page-container p{color:var(--text-secondary);font-size:1.125rem;line-height:1.6;margin:0 auto}.page-content{grid-gap:32px;display:grid;gap:32px;margin:0 auto;max-width:800px;text-align:left}.page-content h2{color:var(--text-primary);font-size:1.75rem;font-weight:600;margin:0 0 12px}.page-content p{font-size:1rem;margin:0 0 12px}.page-content ul{list-style:disc;margin:0 0 12px;padding-left:24px}.page-content li{color:var(--text-secondary);font-size:1rem;line-height:1.8;margin-bottom:8px}.last-updated{color:var(--text-secondary)!important;font-size:.875rem!important;font-style:italic;margin-top:-20px!important}.contact-link{color:var(--accent-color);text-decoration:underline;transition:opacity .2s ease}.contact-link:hover{opacity:.7}.app-wrapper{display:flex;flex-direction:column;height:100dvh;min-height:100vh}.navbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffc;border-bottom:1px solid var(--border-color);position:-webkit-sticky;position:sticky;top:0;z-index:100}.nav-container{justify-content:space-between;margin:0 auto;max-width:1280px;padding:16px 24px}.nav-container,.nav-logo{align-items:center;display:flex}.nav-logo{color:var(--text-primary);font-size:1.25rem;font-weight:700;gap:8px}.logo-icon{color:var(--accent-color);height:48px;object-fit:contain;width:32px}.logo-text{font-size:xx-large;letter-spacing:-.02em}.nav-links{align-items:center;display:flex;gap:32px}.nav-links a{color:var(--text-secondary);font-weight:500;text-decoration:none;transition:color .2s ease}.nav-links a:hover{color:var(--accent-color)}.nav-cta{background:var(--accent-color);border:none;border-radius:0;color:#fff;cursor:pointer;font-size:.9375rem;font-weight:600;padding:8px 20px;transition:background .2s ease}.nav-cta:hover{background:var(--accent-color-strong)}.hero-section{background:linear-gradient(180deg,#fff,#f9fafb);padding:120px 24px;text-align:center}.hero-content{grid-gap:32px;display:grid;gap:32px;margin:0 auto;max-width:640px}.hero-badge{align-items:center;background:var(--panel-color);border:2px solid var(--accent-color);border-radius:999px;color:var(--text-secondary);display:inline-flex;font-size:.875rem;font-weight:500;height:28px;justify-self:center;padding:0 14px}.hero-section h1{color:var(--text-primary);font-size:clamp(2.5rem,5vw,4rem);font-weight:700;letter-spacing:-.025em;line-height:1.1;margin:0}.hero-section p{color:var(--text-secondary);font-size:1.125rem;line-height:1.6;margin:0}.hero-cta{background:var(--accent-color);border:none;border-radius:0;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;height:52px;margin:0 auto;padding:0 32px;transition:background .2s ease}.hero-cta:hover{background:var(--accent-color-strong)}.hero-cta:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.features-section{background:var(--surface-color);padding:80px 24px}.features-container{margin:0 auto;max-width:1200px}.features-container h2{color:var(--text-primary);font-size:2.5rem;font-weight:700;letter-spacing:-.025em;margin:0 0 48px;text-align:center}.features-grid{grid-gap:32px;display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.feature-card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:32px;text-align:center;transition:border-color .2s ease}.feature-card:hover{border-color:var(--accent-color)}.feature-icon{stroke-width:1.5;color:var(--accent-color);height:48px;margin:0 auto 16px;width:48px}.feature-card h3{color:var(--text-primary);font-size:1.25rem;font-weight:600;margin:0 0 12px}.feature-card p{color:var(--text-secondary);line-height:1.6;margin:0}.workspace-section{background:var(--panel-color);padding:80px 24px 120px}.workspace-container{grid-gap:40px;display:grid;gap:40px;margin:0 auto;max-width:960px}.workspace-header{text-align:center}.workspace-header h2{color:var(--text-primary);font-size:2.5rem;font-weight:700;letter-spacing:-.025em;margin:0 0 16px}.workspace-header p{color:var(--text-secondary);font-size:1.125rem;line-height:1.6;margin:0}.section-block{grid-gap:20px;display:grid;gap:20px}.section-head{grid-gap:8px;display:grid;gap:8px}.section-head h3{color:var(--text-primary);font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin:0}.section-head p{color:var(--text-secondary);font-size:1rem;line-height:1.6;margin:0}.upload-dropzone{grid-gap:12px;align-content:center;background:var(--panel-color);border:2px dashed var(--border-color);border-radius:12px;cursor:pointer;display:grid;gap:12px;justify-items:center;min-height:200px;padding:40px 24px;transition:all .2s ease}.upload-dropzone:hover{background:var(--dropzone-active);border-color:var(--accent-color)}.upload-dropzone:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.upload-dropzone.drag-active{background:var(--dropzone-active);border-color:var(--accent-color);border-style:solid}.upload-dropzone.uploading{cursor:progress;opacity:.7}.upload-title{color:var(--text-primary);font-size:1.125rem;font-weight:600}.upload-subtitle{color:var(--text-secondary);font-size:.9375rem}.selected-file{border:1px solid var(--border-color);color:var(--text-secondary);font-size:.84rem;margin-top:4px;max-width:min(100%,480px);padding:6px 12px;text-overflow:ellipsis;white-space:nowrap}.progress-track,.selected-file{border-radius:999px;overflow:hidden}.progress-track{background:var(--progress-track);height:8px;margin-top:8px;width:min(100%,420px)}.progress-bar{background:linear-gradient(90deg,var(--accent-color),var(--accent-color-strong));border-radius:inherit;display:block;height:100%;transition:width .25s ease}.progress-label{color:var(--text-secondary);font-size:.85rem;min-height:20px}.upload-dropzone input{display:none}.ask-row{grid-gap:12px;display:grid;gap:12px;grid-template-columns:1fr auto}.ask-row input{background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem;padding:14px 16px;transition:border-color .2s ease}.ask-row input:focus-visible{border-color:var(--accent-color);outline:2px solid var(--focus-ring);outline-offset:0}.ask-row button{background:var(--accent-color);border:none;border-radius:0;color:#fff;cursor:pointer;font-weight:600;min-width:100px;padding:0 24px;transition:background .2s ease}.ask-row button:hover:not(:disabled){background:var(--accent-color-strong)}.ask-row button:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.ask-row button:disabled{cursor:not-allowed;opacity:.5}.button-loading{align-items:center;display:inline-flex;gap:4px}.button-loading span{animation:pulse 1s ease-in-out infinite;background:#fffffff2;border-radius:50%;height:6px;width:6px}.button-loading span:nth-child(2){animation-delay:.2s}.button-loading span:nth-child(3){animation-delay:.4s}.status-message{animation:slideInRight .3s ease;border-radius:8px;bottom:24px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;font-size:.9375rem;font-weight:500;margin:0;max-width:400px;padding:12px 16px;position:fixed;right:24px;z-index:999}@keyframes slideInRight{0%{opacity:0;transform:translateX(100px)}to{opacity:1;transform:translateX(0)}}.status-message.info{background:var(--panel-color);color:var(--text-secondary)}.status-message.success{background:#d1fae5;color:var(--status-success)}.footer{background:var(--text-primary);color:#fff;padding:60px 24px 24px}.footer-container{grid-gap:60px;border-bottom:1px solid #ffffff1a;display:grid;gap:60px;grid-template-columns:1fr 2fr;margin:0 auto;max-width:1280px;padding-bottom:40px}.footer-brand{grid-gap:16px;display:grid;gap:16px}.footer-logo{align-items:center;display:flex;font-size:1.25rem;font-weight:700;gap:8px}.footer-brand p{color:#ffffffb3;line-height:1.6;margin:0}.footer-links{grid-gap:40px;display:grid;gap:40px;grid-template-columns:repeat(3,1fr)}.footer-column{grid-gap:12px;align-content:start;display:grid;gap:12px}.footer-column h4{color:#ffffffe6;font-size:.875rem;font-weight:600;letter-spacing:.05em;margin:0 0 8px;text-transform:uppercase}.footer-column a{color:#ffffffb3;font-size:.9375rem;text-decoration:none;transition:color .2s ease}.footer-column a:hover{color:#fff}.footer-bottom{margin:0 auto;max-width:1280px;padding-top:24px;text-align:center}.footer-bottom p{color:#fff9;font-size:.875rem;margin:0}.workspace-page{background:var(--bg-color);display:flex;flex-direction:column;min-height:100vh}.workspace-nav{box-shadow:0 1px 3px #0000001a}.workspace-actions{gap:12px}.action-btn,.workspace-actions{align-items:center;display:flex}.action-btn{background:var(--surface-color);border:1px solid var(--border-color);border-radius:0;color:var(--text-primary);cursor:pointer;font-size:.875rem;font-weight:500;gap:8px;padding:8px 16px;transition:all .2s ease}.action-btn svg{stroke-width:2;height:16px;width:16px}.action-btn:hover{border-color:var(--accent-color);color:var(--accent-color)}.modal-overlay{align-items:center;animation:fadeIn .2s ease;background:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:1000}.modal-content{animation:slideUp .2s ease;background:var(--surface-color);border-radius:12px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;max-height:90vh;overflow:hidden;width:min(480px,90%)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{align-items:center;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;padding:20px 24px}.modal-header h3{color:var(--text-primary);font-size:1.125rem;font-weight:600;margin:0}.modal-close{align-items:center;background:#0000;border:none;border-radius:4px;color:var(--text-secondary);cursor:pointer;display:flex;justify-content:center;padding:4px;transition:all .2s ease}.modal-close svg{height:20px;width:20px}.modal-close:hover{background:var(--panel-color);color:var(--text-primary)}.modal-body{padding:24px}.modal-body p{color:var(--text-secondary);line-height:1.6;margin:0 0 16px}.modal-body p:last-child{margin-bottom:0}.export-info{background:var(--panel-color);border:1px solid var(--border-color);border-radius:8px;display:flex;flex-direction:column;gap:12px;padding:16px}.info-item{align-items:center;display:flex;justify-content:space-between}.info-label{color:var(--text-secondary);font-size:.875rem;font-weight:500}.info-value{color:var(--text-primary);font-size:.875rem;font-weight:600}.modal-footer{border-top:1px solid var(--border-color);display:flex;gap:12px;justify-content:flex-end;padding:16px 24px}.btn-danger,.btn-primary,.btn-secondary{border:none;border-radius:0;cursor:pointer;font-size:.9375rem;font-weight:600;padding:10px 20px;transition:all .2s ease}.btn-primary{background:var(--accent-color);color:#fff}.btn-primary:hover{background:var(--accent-color-strong)}.btn-secondary{background:var(--panel-color);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--border-color)}.btn-danger{background:var(--status-error);color:#fff}.btn-danger:hover{background:#dc2626}.workspace-layout{display:flex;flex:1 1;height:100%;margin:0;max-width:100%;min-height:0;overflow:hidden;width:100%}.workspace-sidebar{background:var(--panel-color);border-right:1px solid var(--border-color);display:flex;flex-direction:column;gap:24px;height:100%;overflow-y:auto;padding:24px 20px}.sidebar-section h3{color:var(--text-primary);font-size:1rem;font-weight:600;margin:0 0 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