.navbar{background:#fff;border-bottom:1px solid #e0e0e0;box-shadow:0 2px 4px #0000001a;position:-webkit-sticky;position:sticky;top:0;z-index:1000}.navbar-container{align-items:center;display:flex;height:64px;justify-content:space-between;margin:0 auto;max-width:1200px;padding:0 1rem}.navbar-logo{color:#2e7d32;color:var(--color-primary,#2e7d32);font-size:1.5rem;font-weight:700;text-decoration:none;transition:color .3s ease}.navbar-logo:hover{color:#1b5e20;color:var(--color-primary-dark,#1b5e20)}.navbar-menu{align-items:center;display:flex;gap:1.5rem}.navbar-link{color:#555;font-weight:500;padding:.5rem 0;text-decoration:none;transition:color .3s ease}.navbar-link:hover{color:#2e7d32;color:var(--color-primary,#2e7d32)}.navbar-btn{border:none;border-radius:6px;cursor:pointer;font-weight:500;padding:.5rem 1rem;text-decoration:none;transition:all .3s ease}.navbar-btn-primary{background:#2e7d32;background:var(--color-primary,#2e7d32);color:#fff}.navbar-btn-primary:hover{background:#1b5e20;background:var(--color-primary-dark,#1b5e20)}.navbar-btn-outline{background:#0000;border:1px solid #2e7d32;border:1px solid var(--color-primary,#2e7d32);color:#2e7d32;color:var(--color-primary,#2e7d32)}.navbar-btn-outline:hover{background:#2e7d32;background:var(--color-primary,#2e7d32);color:#fff}.mobile-menu-btn{background:#0000;border:none;cursor:pointer;display:none;flex-direction:column;height:20px;justify-content:space-around;padding:0;width:24px}.mobile-menu-btn span{background:#2e7d32;background:var(--color-primary,#2e7d32);display:block;height:2px;transform-origin:center;transition:all .3s ease;width:100%}.mobile-menu-btn.active span:first-child{transform:rotate(45deg) translate(5px,5px)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.navbar-overlay{display:none}@media (max-width:768px){.navbar-container{height:56px;padding:0 1rem}.navbar-logo{font-size:1.25rem}.mobile-menu-btn{display:flex}.navbar-menu{align-items:stretch;background:#fff;box-shadow:-2px 0 5px #0000001a;flex-direction:column;height:calc(100vh - 56px);justify-content:flex-start;overflow-y:auto;padding:1.5rem 0;position:fixed;right:-100%;top:56px;transition:right .3s ease;width:280px}.navbar-menu.active{right:0}.navbar-link{border-bottom:1px solid #f0f0f0;display:block;font-size:.95rem;overflow:hidden;padding:.75rem 1.5rem;text-overflow:ellipsis;white-space:nowrap}.navbar-link:last-of-type{border-bottom:none}.navbar-btn{background:#2e7d32!important;background:var(--color-primary,#2e7d32)!important;border:2px solid #2e7d32!important;border:2px solid var(--color-primary,#2e7d32)!important;border-radius:8px;color:#fff!important;cursor:pointer;display:block;font-size:1rem;font-weight:600;line-height:1.2;margin:1rem 1.5rem;min-height:48px;padding:1rem 1.5rem;text-align:center;transition:all .3s ease;width:calc(100% - 3rem)}.navbar-btn:active,.navbar-btn:focus,.navbar-btn:hover{background:#1b5e20!important;background:var(--color-primary-dark,#1b5e20)!important;border-color:#1b5e20!important;border-color:var(--color-primary-dark,#1b5e20)!important;outline:none;transform:scale(.98)}.navbar-btn-outline{background:#2e7d32!important;background:var(--color-primary,#2e7d32)!important;border:2px solid #2e7d32!important;border:2px solid var(--color-primary,#2e7d32)!important;box-shadow:0 2px 4px #2e7d324d;color:#fff!important;font-weight:700;margin-bottom:1rem;margin-top:auto}.navbar-btn-outline:active,.navbar-btn-outline:focus,.navbar-btn-outline:hover{background:#1b5e20!important;background:var(--color-primary-dark,#1b5e20)!important;border-color:#1b5e20!important;border-color:var(--color-primary-dark,#1b5e20)!important;box-shadow:0 4px 8px #1b5e2066}.navbar-overlay{background:#00000080;display:block;height:calc(100vh - 56px);left:0;position:fixed;top:56px;width:100%;z-index:-1}}@media (max-width:480px){.navbar-container{height:50px;padding:0 .75rem}.navbar-logo{font-size:1.1rem}.navbar-menu{height:calc(100vh - 50px);padding:1.5rem 1rem;top:50px;width:100%}.navbar-btn{font-size:1.1rem;font-weight:700;margin:1rem;min-height:52px;padding:1.2rem 1.5rem;width:calc(100% - 2rem)}.navbar-btn-outline{box-shadow:0 3px 6px #2e7d3266;margin-bottom:1.5rem}.navbar-overlay{height:calc(100vh - 50px);top:50px}}.chat-interface{background:#faf6f1;background:var(--color-background,#faf6f1);border-radius:12px;box-shadow:0 4px 6px #0000001a;display:flex;height:100vh;overflow:hidden}.conversation-sidebar{background:#fff;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;transition:width .3s ease;width:280px}.conversation-sidebar.collapsed{min-width:50px;width:50px}.sidebar-header{border-bottom:1px solid #e0e0e0;flex-shrink:0;padding:1rem}.sidebar-header,.sidebar-header-content{align-items:center;display:flex;justify-content:space-between}.sidebar-header-content{width:100%}.sidebar-controls{align-items:center;display:flex;gap:.5rem}.sidebar-header h3{color:#2e7d32;color:var(--color-primary,#2e7d32);margin:0;overflow:hidden;white-space:nowrap}.conversation-sidebar.collapsed .sidebar-header h3{display:none}.new-conversation-btn{background:#c8e6c9;background:var(--color-primary-light,#c8e6c9);border:none;border-radius:6px;color:#333;cursor:pointer;font-size:.9rem;padding:.5rem 1rem;white-space:nowrap}.new-conversation-btn:hover{background:#1b5e20;background:var(--color-primary-dark,#1b5e20);color:#fff}.collapse-sidebar-btn{background:#f5f5f5;border:1px solid #e0e0e0;border-radius:4px;color:#333;cursor:pointer;font-size:.8rem;font-weight:700;min-width:28px;padding:.25rem .5rem;text-align:center;transition:all .2s 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#0000;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;margin-bottom:.5rem;padding:.75rem}.conversation-item:hover{background:#f5f5f5}.conversation-item.active{background:#c8e6c9;background:var(--color-primary-light,#c8e6c9);border-color:#2e7d32;border-color:var(--color-primary,#2e7d32)}.conversation-content{flex:1 1;min-width:0}.conversation-title{color:#333;font-size:.9rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-date{color:#666;font-size:.8rem;margin-top:.25rem}.conversation-actions{display:flex;gap:.25rem;opacity:0;transition:opacity .2s ease}.conversation-item:hover .conversation-actions{opacity:1}.conversation-action-btn{background:none;border:none;border-radius:3px;color:#666;cursor:pointer;font-size:.8rem;padding:.25rem;transition:all .2s ease}.conversation-action-btn:hover{background:#e0e0e0;color:#333}.conversation-action-btn.delete-btn:hover{background:#ffebee;color:#c62828}.conversation-edit-container{flex:1 1}.conversation-edit-input{border:1px solid #2e7d32;border:1px solid var(--color-primary,#2e7d32);border-radius:4px;font-family:inherit;font-size:.9rem;padding:.5rem;width:100%}.conversation-edit-input:focus{border-color:#1b5e20;border-color:var(--color-primary-dark,#1b5e20);outline:none}.chat-main{background:#fff;display:flex;flex:1 1;flex-direction:column;min-height:0;transition:margin-left .3s ease}.chat-header{background:#fff;border-bottom:1px solid #e0e0e0;flex-shrink:0;padding:1rem}.chat-header h2{color:#2e7d32;color:var(--color-primary,#2e7d32);font-size:1.5rem;margin:0}.conversation-info{color:#666;font-size:.9rem;margin-top:.5rem}.chat-messages{-webkit-overflow-scrolling:touch;background:#faf6f1;background:var(--color-background,#faf6f1);flex:1 1;min-height:0;overflow-x:hidden;overflow-y:auto;padding:1rem}.welcome-message{color:#666;margin-top:2rem;text-align:center}.welcome-message h3{color:#2e7d32;color:var(--color-primary,#2e7d32);margin-bottom:1rem}.message{margin-bottom:1rem;max-width:80%}.message.user{margin-left:auto;margin-right:0}.message.assistant{margin-left:0;margin-right:auto}.message-content{word-wrap:break-word;background:#fff;border-radius:12px;box-shadow:0 2px 4px #0000001a;overflow-wrap:break-word;padding:1rem;white-space:pre-wrap}.message.user .message-content{background:#c8e6c9;background:var(--color-primary-light,#c8e6c9);color:#333}.message.assistant .message-content{background:#fff;border:1px solid #e0e0e0;color:#333}.message.assistant .message-content.error{background:#ffebee;border-color:#f44336;color:#c62828}.request-type-indicator{font-size:.8rem;margin-top:.5rem;opacity:.9}.message-metadata{font-size:.8rem;margin-top:.5rem;opacity:.7}.message-timestamp{color:#999;font-size:.7rem;margin-top:.25rem;text-align:right}.message.user .message-timestamp{text-align:left}.typing-indicator{align-items:center;display:flex;gap:4px}.typing-indicator span{animation:typing 1.4s ease-in-out infinite;background:#c8e6c9;background:var(--color-primary-light,#c8e6c9);border-radius:50%;display:inline-block;height:8px;width:8px}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-10px)}}.chat-input{background:#fff;border-top:1px solid #e0e0e0;flex-shrink:0;padding:1rem}.input-container{align-items:flex-end;display:flex;gap:1rem}.input-container textarea{word-wrap:break-word;border:1px solid #e0e0e0;border-radius:8px;flex:1 1;font-family:inherit;font-size:.9rem;max-height:120px;min-height:40px;overflow-wrap:break-word;padding:.75rem;resize:none}.input-container textarea:focus{border-color:#2e7d32;border-color:var(--color-primary,#2e7d32);outline:none}.send-button{background:#c8e6c9;background:var(--color-primary-light,#c8e6c9);border:none;border-radius:8px;color:#333;cursor:pointer;font-weight:500;padding:.75rem 1.5rem;touch-action:manipulation}.send-button:hover{background:#1b5e20;background:var(--color-primary-dark,#1b5e20);color:#fff}.send-button:disabled{background:#ccc;cursor:not-allowed}.request-type-preview{font-size:.8rem;margin-top:.5rem;text-align:center}@media (max-width:768px){.chat-interface{border-radius:0;flex-direction:column;height:100vh;height:100dvh}.conversation-sidebar{flex-shrink:0;max-height:200px;width:100%}.conversation-sidebar.collapsed{max-height:60px;width:100%}.chat-main{display:flex;flex:1 1;flex-direction:column;min-height:0}.chat-messages{-webkit-overflow-scrolling:touch;flex:1 1;min-height:0;overflow-x:hidden;overflow-y:auto;padding:.75rem}.message{max-width:95%}.message-content{font-size:.9rem;line-height:1.5;padding:.75rem}.chat-input{-webkit-touch-callout:none;padding:.75rem;-webkit-user-select:none;user-select:none}.input-container textarea{border-radius:6px;font-size:16px}.send-button{min-height:44px;padding:.75rem 1rem;touch-action:manipulation}}@media (max-width:480px){.chat-header{padding:.75rem}.chat-header h2{font-size:1.25rem}.chat-messages{padding:.5rem}.message-content{font-size:.85rem;padding:.5rem}.input-container{gap:.5rem}.send-button{padding:.5rem .75rem}}@supports (-webkit-touch-callout:none){.chat-interface{height:-webkit-fill-available}}.error-message{background-color:#ffebee;border:1px solid #ef9a9a;border-radius:6px;color:#c62828;font-size:.9rem;margin-top:.5rem;padding:.5rem 1rem}.welcome-message p{margin:.5rem 0}.welcome-message p:last-child{color:#999;font-style:italic}.message.user .request-type-indicator span{background-color:#2e7d32cc;background-color:#0003;border-radius:4px;color:#fff;font-weight:500;padding:3px 8px;padding:2px 6px}.request-type-indicator span[style*="color: #ffffff"],.request-type-indicator span[style*="color: white"]{background-color:#0000001a;border-radius:4px;padding:2px 6px;text-shadow:1px 1px 2px #000000b3}@media (max-width:768px){.chat-header,.request-type-preview,.sidebar-header{-webkit-user-select:none;user-select:none}}.download-buttons{align-items:center;color:#666;display:flex;flex-wrap:wrap;font-size:12px;gap:8px;margin-top:8px}.download-label{margin-right:8px}.button-group{display:flex;gap:4px}.download-btn{border:none;border-radius:3px;cursor:pointer;font-size:11px;font-weight:500;padding:2px 6px;transition:all .2s ease}.download-btn:disabled{cursor:not-allowed;opacity:.5}.txt-btn{background-color:#6c757d;color:#fff}.txt-btn:hover:not(:disabled){background-color:#5a6268}.md-btn{background-color:#007bff;color:#fff}.md-btn:hover:not(:disabled){background-color:#0069d9}.pdf-btn{background-color:#dc3545;color:#fff}.pdf-btn:hover:not(:disabled){background-color:#c82333}.export-status{border-radius:3px;font-size:11px;padding:2px 6px}.export-status.loading{background-color:#cff4fc;color:#055160}.export-status.error{background-color:#f8d7da;color:#842029}.export-status.success{background-color:#d1e7dd;color:#0f5132}@media (max-width:576px){.download-buttons{align-items:flex-start;flex-direction:column}}.app-container{display:flex;flex-direction:column;min-height:100vh}.content{flex:1 1;min-height:calc(100vh - 64px);padding:1rem}.research-page{height:calc(100vh - 64px);overflow:hidden}@media (max-width:768px){.content{min-height:calc(100vh - 56px);padding:.75rem}.research-page{height:calc(100vh - 56px)}.homepage-hero{padding:2rem 1rem}.homepage-hero h1{font-size:2rem}input,select,textarea{font-size:16px}.btn,button{min-height:44px;padding:.75rem 1rem}.feature-grid,.value-grid{gap:1rem;grid-template-columns:1fr}}@media (max-width:480px){.content{min-height:calc(100vh - 50px);padding:.5rem}.research-page{height:calc(100vh - 50px)}h1{font-size:1.75rem}h2{font-size:1.5rem}.homepage-hero h1{font-size:1.75rem}}body,html{overflow-x:hidden}@media (hover:none) and (pointer:coarse){.clickable,a,button{min-height:44px;min-width:44px}}echo "Creating earth-tone index.css..." cat>index.css << "EOF" :root{--color-primary:#2e7d32;--color-primary-light:#4bb64b;--color-primary-dark:#1b5e20;--color-secondary:#8b4513;--color-secondary-light:#c4a484;--color-secondary-dark:#5c2e1f;--color-background:#fafaf9;--color-surface:#fff;--color-text:#1c1917;--color-text-secondary:#44403c;--color-border:#e7e5e4;--color-border-hover:#d6d3d1;--color-sage:#87a96b;--color-terracotta:#c14242;--color-cream:#faf6f1;--color-charcoal:#36342f;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--shadow-sm:0 1px 2px #1c19170d;--shadow-md:0 4px 6px #1c19171a;--shadow-lg:0 10px 15px #1c19171a;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--transition-fast:0.15s ease-out;--transition-base:0.25s ease-out;--transition-slow:0.3s ease-out}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:var(--font-size-base);line-height:1.6;margin:0}body,h1,h2,h3,h4,h5,h6{color:var(--color-text)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-top:0}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}.btn{align-items:center;border:none;border-radius:var(--radius-md);cursor:pointer;display:inline-flex;font-size:var(--font-size-sm);font-weight:500;gap:var(--spacing-sm);justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);text-decoration:none;transition:all var(--transition-base)}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{background-color:var(--color-secondary);color:#fff}.btn-secondary:hover:not(:disabled){background-color:var(--color-secondary-dark)}.form-control{border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-base);padding:var(--spacing-sm);transition:border-color var(--transition-fast);width:100%}.form-control:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #2e7d321a;outline:none}@keyframes spin{to{transform:rotate(1turn)}}.spinner{animation:spin 1s linear infinite;border:4px solid var(--color-border);border-left-color:var(--color-primary);border-radius:50%;height:40px;width:40px}.alert{border-radius:var(--radius-md);font-size:var(--font-size-sm);margin-bottom:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md)}.alert-error{background-color:#ffeaea;border:1px solid #ffcccb;color:var(--color-terracotta)}.alert-warning{background-color:#fff8e7;border:1px solid #ffe0b2;color:#e65100}.alert-success{background-color:#e8f5e9;border:1px solid #c8e6c9;color:var(--color-primary)}.text-center{text-align:center}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}@media (max-width:768px){:root{--spacing-xl:1.5rem;--spacing-2xl:2rem}}
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