@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap);body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}:root{--primary-blue:#2563eb;--primary-blue-dark:#1d4ed8;--primary-blue-light:#3b82f6;--success-green:#059669;--warning-orange:#ea580c;--error-red:#dc2626;--white:#fff;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--text-primary:var(--gray-900);--text-secondary:var(--gray-600);--text-tertiary:var(--gray-500);--text-muted:var(--gray-400);--bg-primary:var(--white);--bg-secondary:var(--gray-50);--bg-tertiary:var(--gray-100);--border-light:var(--gray-200);--border-medium:var(--gray-300);--border-dark:var(--gray-400);--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;--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;--font-size-4xl:2.25rem;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.625;--font-light:300;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--font-extrabold:800;--transition-fast:all 0.15s ease;--transition-normal:all 0.2s ease;--transition-slow:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{box-sizing:border-box}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv03","cv04","cv11";color:#0f172a;color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1rem;font-size:var(--font-size-base);font-weight:400;font-weight:var(--font-normal);line-height:1.5;line-height:var(--leading-normal);margin:0}.App,body{background:#f8fafc;background:var(--bg-secondary)}.App{overflow:hidden}.App,.sidebar{display:flex;height:100vh}.sidebar{background:#fff;background:var(--bg-primary);border-right:1px solid #e2e8f0;border-right:1px solid var(--border-light);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);flex-direction:column;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-slow);width:280px}.sidebar.collapsed{width:64px}.sidebar-header{background:#fff;background:var(--bg-primary);border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-light);justify-content:space-between;padding:1.5rem;padding:var(--space-6)}.new-chat-btn,.sidebar-header{align-items:center;display:flex;gap:.75rem;gap:var(--space-3)}.new-chat-btn{background:#2563eb;background:var(--primary-blue);border:none;border-radius:.75rem;border-radius:var(--radius-lg);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#fff;color:var(--white);cursor:pointer;flex-grow:1;font-family:Inter,sans-serif;font-size:.875rem;font-size:var(--font-size-sm);font-weight:600;font-weight:var(--font-semibold);justify-content:center;letter-spacing:-.025em;padding:1rem 1.25rem;padding:var(--space-4) var(--space-5);transition:all .2s ease;transition:var(--transition-normal)}.new-chat-btn:hover{background:#1d4ed8;background:var(--primary-blue-dark);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:var(--shadow-md);transform:translateY(-1px)}.new-chat-btn:active{box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);transform:translateY(0)}.sidebar.collapsed .new-chat-btn{min-width:48px;padding:1rem;padding:var(--space-4)}.sidebar-toggle{align-items:center;background:#f1f5f9;background:var(--bg-tertiary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.5rem;border-radius:var(--radius-md);color:#64748b;color:var(--text-tertiary);cursor:pointer;display:flex;justify-content:center;padding:.75rem;padding:var(--space-3);transition:all .2s ease;transition:var(--transition-normal)}.sidebar-toggle:hover{background:#f8fafc;background:var(--bg-secondary);border-color:#cbd5e1;border-color:var(--border-medium);color:#0f172a;color:var(--text-primary)}.sidebar-expand-btn{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.5rem;border-radius:var(--radius-md);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:var(--shadow-md);color:#64748b;color:var(--text-tertiary);cursor:pointer;display:flex;height:48px;justify-content:center;left:1.5rem;left:var(--space-6);padding:.75rem;padding:var(--space-3);position:fixed;top:1.5rem;top:var(--space-6);transition:all .2s ease;transition:var(--transition-normal);width:48px;z-index:1000}.sidebar-expand-btn:hover{background:#f8fafc;background:var(--bg-secondary);border-color:#cbd5e1;border-color:var(--border-medium);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);box-shadow:var(--shadow-lg);color:#0f172a;color:var(--text-primary);transform:translateY(-1px)}.compact-new-chat-btn{align-items:center;background:#2563eb;background:var(--primary-blue);border:none;border-radius:.5rem;border-radius:var(--radius-md);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:var(--shadow-md);color:#fff;color:var(--white);cursor:pointer;display:flex;height:48px;justify-content:center;left:1.5rem;left:var(--space-6);padding:.75rem;padding:var(--space-3);position:fixed;top:calc(1.5rem + 60px);top:calc(var(--space-6) + 60px);transition:all .2s ease;transition:var(--transition-normal);width:48px;z-index:1000}.compact-new-chat-btn:hover{background:#1d4ed8;background:var(--primary-blue-dark);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);box-shadow:var(--shadow-lg);transform:translateY(-1px)}.compact-new-chat-btn:active{box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);transform:translateY(0)}.chat-history{flex:1 1;overflow-y:auto;padding:1rem 1.25rem;padding:var(--space-4) var(--space-5);scrollbar-color:#e2e8f0 transparent;scrollbar-color:var(--border-light) transparent;scrollbar-width:thin}.chat-history::-webkit-scrollbar{width:4px}.chat-history::-webkit-scrollbar-track{background:transparent}.chat-history::-webkit-scrollbar-thumb{background:#cbd5e1;background:var(--border-medium);border-radius:.375rem;border-radius:var(--radius-sm)}.chat-history::-webkit-scrollbar-thumb:hover{background:#94a3b8;background:var(--border-dark)}.chat-history h3{color:#64748b;color:var(--text-tertiary);font-size:.75rem;font-size:var(--font-size-xs);font-weight:600;font-weight:var(--font-semibold);letter-spacing:.08em;margin:0 0 1.25rem;margin:0 0 var(--space-5) 0;padding-left:.25rem;padding-left:var(--space-1);text-transform:uppercase}.no-chats{padding:2.5rem 1.25rem;padding:var(--space-10) var(--space-5);text-align:center}.no-chats p{color:#94a3b8;color:var(--text-muted);font-size:.875rem;font-size:var(--font-size-sm);font-weight:400;font-weight:var(--font-normal);margin:0}.chat-item{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid transparent;border-radius:.75rem;border-radius:var(--radius-lg);cursor:pointer;display:flex;justify-content:space-between;margin-bottom:.5rem;margin-bottom:var(--space-2);padding:1rem;padding:var(--space-4);position:relative;transition:all .2s ease;transition:var(--transition-normal)}.chat-item:hover{background:#f1f5f9;background:var(--bg-tertiary);transform:translateX(2px)}.chat-item.active,.chat-item:hover{box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm)}.chat-item.active{background:color-mix(in srgb,#2563eb 8%,#fff);background:color-mix(in srgb,var(--primary-blue) 8%,var(--bg-primary));border-color:color-mix(in srgb,#2563eb 20%,transparent);border-color:color-mix(in srgb,var(--primary-blue) 20%,transparent)}.chat-item-content{flex:1 1;min-width:0}.chat-item h4{color:#0f172a;color:var(--text-primary);font-size:.875rem;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-medium);letter-spacing:-.025em;line-height:1.25;line-height:var(--leading-tight);margin:0 0 .25rem;margin:0 0 var(--space-1) 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item p{color:#475569;color:var(--text-secondary);font-size:.75rem;font-size:var(--font-size-xs);font-weight:400;font-weight:var(--font-normal);margin:0}.delete-chat-btn{background:none;border:none;border-radius:.375rem;border-radius:var(--radius-sm);color:#94a3b8;color:var(--text-muted);cursor:pointer;opacity:0;padding:.5rem;padding:var(--space-2);transform:scale(.9);transition:all .2s ease;transition:var(--transition-normal)}.chat-item:hover .delete-chat-btn{opacity:1;transform:scale(1)}.delete-chat-btn:hover{background:color-mix(in srgb,#dc2626 10%,#fff);background:color-mix(in srgb,var(--error-red) 10%,var(--bg-primary));color:#dc2626;color:var(--error-red);transform:scale(1.05)}.sidebar-footer{border-top:1px solid #e2e8f0;border-top:1px solid var(--border-light);padding:1.25rem;padding:var(--space-5)}.clear-all-btn,.sidebar-footer{background:#fff;background:var(--bg-primary)}.clear-all-btn{align-items:center;border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.75rem;border-radius:var(--radius-lg);color:#475569;color:var(--text-secondary);cursor:pointer;display:flex;font-family:Inter,sans-serif;font-size:.875rem;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-medium);gap:.5rem;gap:var(--space-2);justify-content:center;padding:.75rem 1rem;padding:var(--space-3) var(--space-4);transition:all .2s ease;transition:var(--transition-normal);width:100%}.clear-all-btn:hover{background:color-mix(in srgb,#dc2626 10%,#fff);background:color-mix(in srgb,var(--error-red) 10%,var(--bg-primary));border-color:color-mix(in srgb,#dc2626 30%,transparent);border-color:color-mix(in srgb,var(--error-red) 30%,transparent);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#dc2626;color:var(--error-red);transform:translateY(-1px)}.chat-container{flex:1 1;flex-direction:column;height:100vh;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-slow)}.chat-container,.chat-header{background:#fff;background:var(--bg-primary);display:flex;position:relative}.chat-header{align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-light);justify-content:space-between;min-height:80px;padding:1.5rem 2rem;padding:var(--space-6) var(--space-8);z-index:10}.mobile-hamburger-btn{display:none}.header-content h1{color:#0f172a;color:var(--text-primary);font-size:1.5rem;font-size:var(--font-size-2xl);font-weight:700;font-weight:var(--font-bold);letter-spacing:-.025em;margin:0}.current-chat-title{color:#475569;color:var(--text-secondary);font-size:.875rem;font-size:var(--font-size-sm);font-weight:400;font-weight:var(--font-normal);letter-spacing:-.025em;margin:.5rem 0 0;margin:var(--space-2) 0 0 0}.header-controls{align-items:center;display:flex;gap:1rem;gap:var(--space-4)}.model-selector-container{position:relative;z-index:11}.model-selector{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.75rem;border-radius:var(--radius-lg);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#0f172a;color:var(--text-primary);cursor:pointer;display:flex;font-family:Inter,sans-serif;font-size:.875rem;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-medium);gap:.75rem;gap:var(--space-3);letter-spacing:-.025em;min-width:160px;padding:.75rem 1rem;padding:var(--space-3) var(--space-4);transition:all .2s ease;transition:var(--transition-normal)}.model-selector:hover{background:#f1f5f9;background:var(--bg-tertiary);border-color:#cbd5e1;border-color:var(--border-medium);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:var(--shadow-md);transform:translateY(-1px)}.model-icon{background:#2563eb;background:var(--primary-blue);border-radius:.375rem;border-radius:var(--radius-sm);color:var(--white);font-size:.75rem;font-size:var(--font-size-xs);font-weight:var(--font-bold);letter-spacing:-.025em;min-width:28px;padding:.25rem .5rem;padding:var(--space-1) var(--space-2);text-align:center}.model-name{flex:1 1;text-align:left}.dropdown-arrow{opacity:.6;transition:all .2s ease;transition:var(--transition-normal)}.model-selector:hover .dropdown-arrow{opacity:1;transform:translateY(-1px)}.model-dropdown{animation:dropdownSlide .3s cubic-bezier(.4,0,.2,1);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:1.5rem;border-radius:var(--radius-2xl);box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);box-shadow:var(--shadow-xl);max-height:420px;min-width:340px;overflow-y:auto;position:fixed;z-index:99999}@keyframes dropdownSlide{0%{opacity:0;transform:translateY(-12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.model-option{border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-light);cursor:pointer;padding:1.25rem 1.5rem;padding:var(--space-5) var(--space-6);position:relative;transition:all .2s ease;transition:var(--transition-normal)}.model-option:last-child{border-bottom:none}.model-option:hover{background:#f1f5f9;background:var(--bg-tertiary)}.model-option.selected{background:#2563eb;background:var(--primary-blue);color:#fff;color:var(--white)}.model-option.selected:before{background:linear-gradient(180deg,#fff,hsla(0,0%,100%,.7));border-radius:0 2px 2px 0;bottom:0;content:"";left:0;position:absolute;top:0;width:4px}.model-option-header{align-items:center;display:flex;gap:.75rem;gap:var(--space-3);margin-bottom:.5rem;margin-bottom:var(--space-2)}.model-option .model-icon{font-size:12px;font-weight:700}.model-option .model-name{flex:1 1;font-size:1rem;font-size:var(--font-size-base);letter-spacing:-.025em}.model-option .model-name,.model-provider{font-weight:600;font-weight:var(--font-semibold)}.model-provider{background:color-mix(in srgb,#0f172a 8%,transparent);background:color-mix(in srgb,var(--text-primary) 8%,transparent);border-radius:.375rem;border-radius:var(--radius-sm);font-size:.75rem;font-size:var(--font-size-xs);letter-spacing:.05em;padding:.25rem .75rem;padding:var(--space-1) var(--space-3);text-transform:uppercase}.model-option.selected .model-provider{background:hsla(0,0%,100%,.25);color:#fff}.model-option.highlighted{background:linear-gradient(135deg,#f6f8fa,#e1e8ed);border:1px solid rgba(9,105,218,.3)}.model-option.highlighted:not(.selected){box-shadow:0 4px 12px rgba(0,0,0,.08);transform:translateY(-1px)}.model-description{font-size:.875rem;font-size:var(--font-size-sm);font-weight:400;font-weight:var(--font-normal);line-height:1.5;line-height:var(--leading-normal);margin:0;opacity:.8}.messages-container{background:#fff;background:var(--bg-primary);flex:1 1;min-height:0;overflow-y:auto;padding:0;scrollbar-color:#e2e8f0 transparent;scrollbar-color:var(--border-light) transparent;scrollbar-width:thin;width:100%}.messages-container::-webkit-scrollbar{width:8px}.messages-container::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb{background:#cbd5e1;background:var(--border-medium);border-radius:.375rem;border-radius:var(--radius-sm)}.messages-container::-webkit-scrollbar-thumb:hover{background:#94a3b8;background:var(--border-dark)}.messages-content{display:flex;flex-direction:column;gap:1.5rem;gap:var(--space-6);margin:0 auto;max-width:800px;padding:1.5rem 2rem;padding:var(--space-6) var(--space-8);width:100%}.welcome-message{margin-top:1.25rem;margin-top:var(--space-5);padding:2.5rem 2rem;padding:var(--space-10) var(--space-8);text-align:center}.logo{align-items:center;background:linear-gradient(135deg,#2563eb,#1d4ed8);background:linear-gradient(135deg,var(--primary-blue) 0,var(--primary-blue-dark) 100%);border-radius:9999px;border-radius:var(--radius-full);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);box-shadow:var(--shadow-lg);color:#fff;color:var(--white);display:flex;font-size:2.25rem;font-size:var(--font-size-4xl);height:128px;justify-content:center;margin:0 auto 2rem;margin:0 auto var(--space-8);position:relative;width:128px}.logo img,.logo svg{display:block;max-height:90%;max-width:90%;object-fit:contain}.logo:before{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;bottom:-2px;content:"";filter:blur(8px);left:-2px;opacity:.2;position:absolute;right:-2px;top:-2px;z-index:-1}.logo .welcome-logo-icon{align-items:center;border-radius:0;display:flex;font-size:4rem;font-weight:700;font-weight:var(--font-bold);height:100%;justify-content:center;padding:0;text-align:center;width:100%}.logo .welcome-logo-icon,.welcome-message .logo{background:none;color:#0f172a;color:var(--text-primary)}.welcome-message .logo{box-shadow:none}.welcome-message .logo:before{display:none}.welcome-content h3{color:#0f172a;color:var(--text-primary);font-size:2.25rem;font-size:var(--font-size-4xl);font-weight:700;font-weight:var(--font-bold);letter-spacing:-.025em;line-height:1.25;line-height:var(--leading-tight);margin-bottom:1rem;margin-bottom:var(--space-4)}.welcome-content p{color:#475569;color:var(--text-secondary);font-size:1.125rem;font-size:var(--font-size-lg);font-weight:400;font-weight:var(--font-normal);letter-spacing:-.025em;line-height:1.625;line-height:var(--leading-relaxed);margin-bottom:2.5rem;margin-bottom:var(--space-10)}.example-prompts{grid-gap:1rem;grid-gap:var(--space-4);display:grid;gap:1rem;gap:var(--space-4);grid-template-columns:repeat(2,1fr);margin:0 auto;max-width:700px}.example-prompt{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:1.5rem;border-radius:var(--radius-2xl);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#0f172a;color:var(--text-primary);cursor:pointer;display:flex;font-family:Inter,sans-serif;font-size:.875rem;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-medium);gap:1rem;gap:var(--space-4);letter-spacing:-.025em;overflow:hidden;padding:1.25rem;padding:var(--space-5);position:relative;text-align:left;transition:all .2s ease;transition:var(--transition-normal);z-index:1}.example-prompt:before{background:linear-gradient(90deg,transparent,rgba(9,105,218,.05),transparent);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .6s ease;width:100%}.example-prompt:hover{background:#f1f5f9;background:var(--bg-tertiary);border-color:#cbd5e1;border-color:var(--border-medium);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);box-shadow:var(--shadow-lg);transform:translateY(-2px) scale(1.02)}.example-prompt:hover:before{left:100%}.prompt-icon{background:#2563eb;background:var(--primary-blue);border-radius:.5rem;border-radius:var(--radius-md);color:#fff;color:var(--white);font-size:.875rem;font-size:var(--font-size-sm);font-weight:700;font-weight:var(--font-bold);letter-spacing:-.025em;min-width:32px;padding:.5rem;padding:var(--space-2);text-align:center}.message-wrapper{animation:messageSlideIn .4s cubic-bezier(.4,0,.2,1);display:flex;width:100%}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.message-wrapper.user{justify-content:flex-end}.message-wrapper.assistant{justify-content:flex-start}.message{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:1.5rem;border-radius:var(--radius-2xl);max-width:85%;padding:1.25rem 1.5rem;padding:var(--space-5) var(--space-6);position:relative}.message.user{background:#2563eb;background:var(--primary-blue);border-bottom-right-radius:.375rem;border-bottom-right-radius:var(--radius-sm);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:var(--shadow-md);color:#fff;color:var(--white)}.message.assistant{background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-bottom-left-radius:.375rem;border-bottom-left-radius:var(--radius-sm);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#0f172a;color:var(--text-primary)}.message.typing{background:linear-gradient(135deg,#f6f8fa,#eaeff4);border:1px solid #d1d9e0}.message-header{align-items:center;display:flex;font-size:12px;font-weight:600;gap:16px;justify-content:space-between;letter-spacing:.3px;margin-bottom:10px;opacity:.8;text-transform:uppercase}.message-author{font-size:11px;font-weight:700}.message-author,.user-author{align-items:center;display:flex;gap:8px}.ai-author{align-items:center;display:flex;gap:20px}.ai-icon{background:linear-gradient(135deg,#656d76,#8b949e);border-radius:4px;color:#fff;font-size:10px;font-weight:700;letter-spacing:-.5px;min-width:20px;padding:2px 4px;text-align:center}.message-time{font-size:10px;font-weight:500;opacity:.7}.message-content{word-wrap:break-word;font-size:1rem;font-size:var(--font-size-base);font-weight:400;font-weight:var(--font-normal);letter-spacing:-.025em;line-height:1.5;line-height:var(--leading-normal);white-space:normal}.message-content p{margin:.1em 0}.message-content p:first-child{margin-top:0}.message-content p:last-child{margin-bottom:0}.message-content strong{color:#0f172a;color:var(--text-primary);font-weight:600}.message-content em{font-style:italic}.message-content h1,.message-content h2,.message-content h3,.message-content h4,.message-content h5,.message-content h6{color:#0f172a;color:var(--text-primary);font-weight:600;margin:.5em 0 .2em}.message-content h1{font-size:1.5em}.message-content h2{font-size:1.3em}.message-content h3{font-size:1.1em}.message-content ol,.message-content ul{margin:.2em 0;padding-left:1.5em}.message-content li{margin:.1em 0}.message-content blockquote{border-left:3px solid #cbd5e1;border-left:3px solid var(--border-medium);color:#475569;color:var(--text-secondary);font-style:italic;margin:.5em 0;padding-left:1em}.message-content code{border-radius:3px;font-family:Courier New,monospace;font-size:.9em;padding:.125em .25em}.message-content code,.message-content pre{background-color:#f1f5f9;background-color:var(--bg-tertiary)}.message-content pre{border-radius:6px;margin:.5em 0;overflow-x:auto;padding:1em}.message-content pre code{background-color:transparent;padding:0}.typing-indicator{align-items:center;display:flex;gap:6px;padding:12px 0}.typing-dot{animation:typingAnimation 1.6s infinite;background:linear-gradient(135deg,#656d76,#8b949e);border-radius:50%;box-shadow:0 1px 2px rgba(0,0,0,.1);height:8px;width:8px}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typingAnimation{0%,60%,to{opacity:.4;transform:translateY(0) scale(1)}30%{opacity:1;transform:translateY(-12px) scale(1.1)}}.input-container{background:#fff;background:var(--bg-primary);border-top:1px solid #e2e8f0;border-top:1px solid var(--border-light);margin:0 auto;max-width:800px;padding:1.5rem 2rem 2rem;padding:var(--space-6) var(--space-8) var(--space-8);position:relative;width:100%}.uploaded-files{background:#f8fafc;background:var(--bg-secondary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:12px;margin-bottom:1rem;margin-bottom:var(--space-4);max-height:200px;overflow-y:auto}.uploaded-file{align-items:center;border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;padding:.75rem 1rem;padding:var(--space-3) var(--space-4);transition:all .15s ease;transition:var(--transition-fast)}.uploaded-file:last-child{border-bottom:none}.uploaded-file:hover{background:#f1f5f9;background:var(--bg-tertiary)}.file-info{align-items:center;display:flex;flex:1 1;gap:.75rem;gap:var(--space-3);min-width:0}.file-icon{flex-shrink:0;font-size:1.25rem}.file-details{display:flex;flex:1 1;flex-direction:column;min-width:0}.file-name{color:#0f172a;color:var(--text-primary);font-size:.875rem;font-weight:500}.file-name,.file-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-preview{color:#475569;color:var(--text-secondary);font-size:.75rem;margin-top:.25rem;margin-top:var(--space-1)}.remove-file-btn{background:none;border:none;border-radius:4px;color:#94a3b8;color:var(--text-muted);cursor:pointer;flex-shrink:0;font-size:1.5rem;line-height:1;padding:.25rem;padding:var(--space-1);transition:all .15s ease;transition:var(--transition-fast)}.remove-file-btn:hover{background:rgba(220,38,38,.1);color:#dc2626;color:var(--error-red)}.upload-menu-container{position:relative;z-index:10}.upload-menu-btn{align-items:center;background:none;border:none;border-radius:.5rem;border-radius:var(--space-2);color:#94a3b8;color:var(--text-muted);cursor:pointer;display:flex;flex-shrink:0;height:44px;justify-content:center;margin-bottom:.25rem;margin-bottom:var(--space-1);min-width:44px;padding:.5rem;padding:var(--space-2);position:relative;transition:all .15s ease;transition:var(--transition-fast)}.upload-menu-btn:hover:not(:disabled){background:rgba(37,99,235,.1);color:#2563eb;color:var(--primary-blue)}.upload-menu-btn:disabled{cursor:not-allowed;opacity:.5}.upload-dropdown{animation:dropdownSlide .2s cubic-bezier(.4,0,.2,1);background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.75rem;border-radius:var(--radius-lg);bottom:100%;box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);box-shadow:var(--shadow-lg);left:0;margin-bottom:.5rem;margin-bottom:var(--space-2);min-width:200px;position:absolute;z-index:99999}.upload-option{align-items:center;background:none;border:none;border-radius:.75rem;border-radius:var(--radius-lg);cursor:pointer;display:flex;gap:.75rem;gap:var(--space-3);padding:.75rem 1rem;padding:var(--space-3) var(--space-4);text-align:left;transition:all .15s ease;transition:var(--transition-fast);width:100%}.upload-option:hover:not(:disabled){background:#f1f5f9;background:var(--bg-tertiary)}.upload-option:disabled{cursor:not-allowed;opacity:.6}.upload-option-icon{align-items:center;color:#475569;color:var(--text-secondary);display:flex;justify-content:center}.upload-option-text{color:#0f172a;color:var(--text-primary);font-size:.875rem;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-medium)}.input-container:before{background:linear-gradient(90deg,transparent,rgba(9,105,218,.1) 50%,transparent);content:"";height:1px;left:32px;position:absolute;right:32px;top:0}.input-wrapper{align-items:flex-end;background:#f1f5f9;background:var(--bg-tertiary);border:2px solid transparent;border-radius:28px;box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);display:flex;gap:1rem;gap:var(--space-4);overflow:visible;padding:.5rem .5rem .5rem 1.5rem;padding:var(--space-2) var(--space-2) var(--space-2) var(--space-6);position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);transition:var(--transition-slow)}.input-wrapper:before{background:linear-gradient(135deg,transparent,rgba(9,105,218,.1));border-radius:28px;bottom:0;content:"";left:0;-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:exclude;opacity:0;padding:2px;pointer-events:none;position:absolute;right:0;top:0;transition:opacity .3s ease;z-index:1}.input-wrapper:focus-within{background:#fff;background:var(--bg-primary);border-color:#2563eb;border-color:var(--primary-blue);box-shadow:0 0 0 4px color-mix(in srgb,#2563eb 10%,transparent),0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary-blue) 10%,transparent),var(--shadow-md);transform:translateY(-1px)}.input-wrapper:focus-within:before{opacity:1}.input-wrapper textarea{background:transparent;border:none;border-radius:0;color:#24292f;flex:1 1;font-family:Inter,sans-serif;font-size:15px;font-weight:400;letter-spacing:-.01em;line-height:1.6;max-height:140px;min-height:24px;outline:none;padding:16px 0;pointer-events:auto;position:relative;resize:none;z-index:10}.input-wrapper textarea::placeholder{color:#8b949e;font-weight:400}.send-button{align-items:center;background:#2563eb;background:var(--primary-blue);border:none;border-radius:9999px;border-radius:var(--radius-full);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#fff;color:var(--white);cursor:pointer;display:flex;flex-shrink:0;height:44px;justify-content:center;overflow:hidden;position:relative;transition:all .2s ease;transition:var(--transition-normal);width:44px}.send-button:before{background:hsla(0,0%,100%,.2);border-radius:50%;content:"";height:0;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:all .3s ease;width:0}.send-button:hover:not(:disabled){background:#1d4ed8;background:var(--primary-blue-dark);box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);box-shadow:var(--shadow-md);transform:scale(1.05)}.send-button:hover:not(:disabled):before{height:100%;width:100%}.send-button:active:not(:disabled){transform:scale(.95)}.send-button:disabled{background:#94a3b8;background:var(--text-muted);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);cursor:not-allowed;opacity:.4;transform:none}.send-button svg{animation:none;position:relative;z-index:1}.send-button:disabled svg{animation:spin 1s linear infinite}.ai-feature-toggles{display:flex;flex-wrap:wrap;gap:.75rem;gap:var(--space-3);justify-content:center;margin-top:1rem;margin-top:var(--space-4)}.feature-toggle{align-items:center;background:#f8fafc;background:var(--bg-secondary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.5rem;border-radius:var(--radius-md);color:#475569;color:var(--text-secondary);cursor:pointer;display:flex;font-size:.75rem;font-size:var(--font-size-xs);font-weight:500;font-weight:var(--font-medium);gap:.5rem;gap:var(--space-2);padding:.5rem .75rem;padding:var(--space-2) var(--space-3);transition:all .15s ease;transition:var(--transition-fast);-webkit-user-select:none;user-select:none}.feature-toggle:hover:not(:disabled){background:#f1f5f9;background:var(--bg-tertiary);border-color:#cbd5e1;border-color:var(--border-medium);color:#0f172a;color:var(--text-primary)}.feature-toggle.active{background:#2563eb;background:var(--primary-blue);border-color:#2563eb;border-color:var(--primary-blue);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#fff;color:var(--white)}.feature-toggle.active:hover:not(:disabled){background:#1d4ed8;background:var(--primary-blue-dark);border-color:#1d4ed8;border-color:var(--primary-blue-dark)}.feature-toggle:disabled{cursor:not-allowed;opacity:.5}.feature-toggle svg{transition:all .15s ease;transition:var(--transition-fast)}.feature-toggle.active svg{color:#fff;color:var(--white)}.input-footer{align-items:center;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;margin-top:16px;text-align:center}.model-info{color:#94a3b8;color:var(--text-muted);font-weight:400;font-weight:var(--font-normal);letter-spacing:-.025em}.model-info,.usage-info{font-size:.75rem;font-size:var(--font-size-xs)}.usage-info{background:#f1f5f9;background:var(--bg-tertiary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.375rem;border-radius:var(--radius-sm);color:#475569;color:var(--text-secondary);font-weight:500;font-weight:var(--font-medium);padding:.25rem .5rem;padding:var(--space-1) var(--space-2)}.usage-info.premium{background:#059669;background:var(--success-green);border:1px solid #059669;border:1px solid var(--success-green);box-shadow:0 1px 2px 0 rgba(0,0,0,.05);box-shadow:var(--shadow-sm);color:#fff;color:var(--white)}@media (max-width:1024px){.sidebar{width:240px}.messages-content{padding:1rem 1.5rem;padding:var(--space-4) var(--space-6)}.input-container{padding:1rem 1.5rem 1.5rem;padding:var(--space-4) var(--space-6) var(--space-6)}}@media (max-width:768px){.App{flex-direction:column;height:100vh;height:100dvh;overflow:hidden}.App,.sidebar{position:relative}.sidebar{background:#fff;background:var(--bg-primary);border-bottom:1px solid #e2e8f0;border-bottom:1px solid var(--border-light);border-right:none;flex-shrink:0;height:auto;min-height:auto;width:100%;z-index:150}.sidebar.collapsed{border-bottom:none;height:0;min-height:0;overflow:hidden;width:100%}.sidebar:not(.collapsed){height:auto;max-height:60vh}.sidebar-header{align-items:center;display:flex;justify-content:space-between;min-height:60px;padding:1rem;padding:var(--space-4)}.compact-new-chat-btn,.sidebar.collapsed .sidebar-header{display:none}.new-chat-btn{border-radius:.75rem;border-radius:var(--radius-lg);flex:1 1;font-size:.875rem;font-size:var(--font-size-sm);padding:.75rem 1.5rem;padding:var(--space-3) var(--space-6)}.sidebar-toggle{align-items:center;background:#f1f5f9;background:var(--bg-tertiary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.5rem;border-radius:var(--radius-md);color:#64748b;color:var(--text-tertiary);cursor:pointer;display:flex;justify-content:center;min-height:44px;min-width:44px;padding:.75rem;padding:var(--space-3);transition:all .2s ease;transition:var(--transition-normal)}.sidebar-toggle:hover{background:#f8fafc;background:var(--bg-secondary);border-color:#cbd5e1;border-color:var(--border-medium);color:#0f172a;color:var(--text-primary)}.sidebar.collapsed .chat-history,.sidebar.collapsed .sidebar-footer{display:none}.sidebar.collapsed .sidebar-header{justify-content:space-between}.sidebar.collapsed .new-chat-btn{flex:1 1}.chat-container{flex:1 1;min-height:0}.chat-header{align-items:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:hsla(0,0%,100%,.98);border-bottom:1px solid rgba(0,0,0,.08);flex-direction:row!important;gap:.5rem;gap:var(--space-2);justify-content:flex-start;min-height:56px;padding:.5rem .75rem;padding:var(--space-2) var(--space-3);position:-webkit-sticky;position:sticky;top:0;z-index:200}.mobile-hamburger-btn{align-items:center;background:#fff;background:var(--bg-primary);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.5rem;border-radius:var(--radius-md);color:#64748b;color:var(--text-tertiary);cursor:pointer;display:block;flex-shrink:0;height:44px;justify-content:center;order:0;padding:.5rem;padding:var(--space-2);transition:all .2s ease;transition:var(--transition-normal);width:44px}.mobile-hamburger-btn:hover{background:#f8fafc;background:var(--bg-secondary);border-color:#cbd5e1;border-color:var(--border-medium);color:#0f172a;color:var(--text-primary)}.chat-header .header-content{display:none}.chat-header .header-controls{align-items:center;display:flex;gap:.5rem;gap:var(--space-2);justify-content:space-between;margin:0;width:100%}.chat-header .usage-stats-btn{border-radius:.5rem;border-radius:var(--radius-md);margin:0;min-height:44px;min-width:44px;order:1;padding:.5rem;padding:var(--space-2)}.chat-header .model-selector-container{display:flex;flex:1 1;justify-content:center;margin:0 .75rem;margin:0 var(--space-3);max-width:none;order:2}.chat-header .model-selector{font-size:.875rem;font-size:var(--font-size-sm);max-width:180px;min-width:140px;padding:.5rem .75rem;padding:var(--space-2) var(--space-3)}.chat-header .logout-btn{border-radius:.5rem;border-radius:var(--radius-md);margin:0;min-height:44px;min-width:44px;order:3;padding:.5rem;padding:var(--space-2)}.chat-header .user-info{display:contents}.chat-header .username{display:none}.header-content{order:1;text-align:center;width:100%}.header-content,.header-content h1{margin-bottom:.25rem;margin-bottom:var(--space-1)}.header-content h1{font-size:1.125rem;font-size:var(--font-size-lg);font-weight:600;font-weight:var(--font-semibold)}.header-controls{flex-wrap:wrap;justify-content:center;order:2;width:100%}.model-dropdown{left:1rem;left:var(--space-4);max-width:calc(100vw - 2rem);max-width:calc(100vw - var(--space-4)*2);min-width:auto;position:fixed;right:1rem;right:var(--space-4)}.messages-container{flex:1 1;min-height:0}.messages-content{max-width:100%;padding:1rem 1rem 2rem;padding:var(--space-4) var(--space-4) var(--space-8)}.input-container{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:hsla(0,0%,100%,.98);border-top:1px solid rgba(0,0,0,.08);bottom:0;max-width:100%;padding:1rem 1rem calc(1.25rem + env(safe-area-inset-bottom));padding:var(--space-4) var(--space-4) calc(var(--space-5) + env(safe-area-inset-bottom));position:-webkit-sticky;position:sticky}.input-container:before{left:1rem;left:var(--space-4);right:1rem;right:var(--space-4)}.input-wrapper{border:2px solid rgba(37,99,235,.1);box-shadow:0 4px 20px rgba(0,0,0,.08);padding:.5rem .5rem .5rem 1rem;padding:var(--space-2) var(--space-2) var(--space-2) var(--space-4)}.input-wrapper:focus-within{border-color:#2563eb;border-color:var(--primary-blue);box-shadow:0 6px 24px rgba(37,99,235,.15)}.example-prompts{gap:.75rem;gap:var(--space-3);grid-template-columns:1fr;max-width:100%}.example-prompt{padding:1rem;padding:var(--space-4);text-align:left}.message{margin-bottom:.5rem;margin-bottom:var(--space-2);max-width:94%;padding:1rem 1.25rem;padding:var(--space-4) var(--space-5)}.message-content{font-size:15px;line-height:1.6}.delete-chat-btn,.message .toggle-intermediate-btn{min-height:44px;min-width:44px;padding:.75rem;padding:var(--space-3)}.welcome-message{margin-top:1.5rem;margin-top:var(--space-6);padding:2rem 1rem;padding:var(--space-8) var(--space-4)}.logo{height:96px;margin-bottom:1.5rem;margin-bottom:var(--space-6);width:96px}.logo,.welcome-content h3{font-size:1.875rem;font-size:var(--font-size-3xl)}.welcome-content p{font-size:1rem;font-size:var(--font-size-base)}.chat-item{padding:.75rem;padding:var(--space-3)}.chat-history{padding:.75rem 1rem;padding:var(--space-3) var(--space-4)}.user-info{flex-wrap:wrap;gap:.5rem;gap:var(--space-2);margin-right:0}.username{font-size:.75rem;font-size:var(--font-size-xs);margin-top:.5rem;margin-top:var(--space-2);order:3;text-align:center;width:100%}.logout-btn,.usage-stats-btn{border-radius:.75rem;border-radius:var(--radius-lg);min-height:44px;min-width:44px}}@media (max-width:480px){.sidebar-header{padding:.75rem;padding:var(--space-3)}.new-chat-btn{border-radius:1.5rem;border-radius:var(--radius-2xl);font-size:.75rem;font-size:var(--font-size-xs);min-height:48px}.chat-header,.new-chat-btn{padding:.75rem 1rem;padding:var(--space-3) var(--space-4)}.chat-header{flex-direction:column;gap:.75rem;gap:var(--space-3);min-height:auto;text-align:center}.header-content{order:1}.header-content h1{font-size:1.125rem;font-size:var(--font-size-lg);margin-bottom:.25rem;margin-bottom:var(--space-1)}.current-chat-title{font-size:.75rem;font-size:var(--font-size-xs)}.header-controls{justify-content:center;order:2;width:100%}.model-selector{font-size:.75rem;font-size:var(--font-size-xs);min-width:140px;padding:.75rem 1rem;padding:var(--space-3) var(--space-4)}.model-dropdown{left:.75rem;left:var(--space-3);max-width:calc(100vw - 1.5rem);max-width:calc(100vw - var(--space-3)*2);min-width:auto;right:.75rem;right:var(--space-3)}.input-container,.messages-content{padding:.75rem;padding:var(--space-3)}.input-container:before{left:.75rem;left:var(--space-3);right:.75rem;right:var(--space-3)}.input-wrapper{border-radius:22px;padding:.5rem .5rem .5rem 1rem;padding:var(--space-2) var(--space-2) var(--space-2) var(--space-4)}.input-wrapper textarea{font-size:.875rem;font-size:var(--font-size-sm);padding:.75rem 0;padding:var(--space-3) 0}.send-button{margin-left:.5rem;margin-left:var(--space-2);min-height:48px;width:48px}.send-button,.upload-menu-btn{height:48px;min-width:48px}.example-prompts{gap:.75rem;gap:var(--space-3);max-width:100%}.example-prompt{font-size:.875rem;font-size:var(--font-size-sm);padding:1rem;padding:var(--space-4)}.prompt-icon{min-width:28px;padding:.5rem;padding:var(--space-2)}.welcome-message{margin-top:1rem;margin-top:var(--space-4);padding:1.5rem .75rem;padding:var(--space-6) var(--space-3)}.welcome-content h3{font-size:1.5rem;font-size:var(--font-size-2xl);margin-bottom:.75rem;margin-bottom:var(--space-3)}.welcome-content p{font-size:.875rem;font-size:var(--font-size-sm);margin-bottom:1.5rem;margin-bottom:var(--space-6)}.logo{font-size:1.5rem;font-size:var(--font-size-2xl);height:72px;margin-bottom:1.25rem;margin-bottom:var(--space-5);width:72px}.message{max-width:88%;padding:1rem;padding:var(--space-4)}.message-header{font-size:11px;margin-bottom:.5rem;margin-bottom:var(--space-2)}.message-content{font-size:.875rem;font-size:var(--font-size-sm)}.chat-item{padding:.75rem;padding:var(--space-3)}.chat-item h4{font-size:.75rem;font-size:var(--font-size-xs)}.chat-item p{font-size:11px}.chat-history{padding:.5rem .75rem;padding:var(--space-2) var(--space-3)}.clear-all-btn,.sidebar-footer{padding:.75rem;padding:var(--space-3)}.clear-all-btn{font-size:.75rem;font-size:var(--font-size-xs)}.ai-feature-toggles{gap:.5rem;gap:var(--space-2)}.feature-toggle{font-size:11px;min-height:32px;padding:.5rem;padding:var(--space-2)}.input-footer{flex-direction:column;gap:.5rem;gap:var(--space-2);margin-top:.75rem;margin-top:var(--space-3)}.model-info,.usage-info{font-size:11px}.user-info{justify-content:center}.username{font-size:.75rem;font-size:var(--font-size-xs)}.logout-btn,.usage-stats-btn{border-radius:.75rem;border-radius:var(--radius-lg);min-height:44px;min-width:44px;padding:.75rem;padding:var(--space-3)}.input-wrapper{position:relative;z-index:1}.chat-container{overflow:hidden;position:relative}.message-content{-webkit-touch-callout:default;-webkit-user-select:text;user-select:text}}.loading-container{align-items:center;background:linear-gradient(135deg,#fafbfc,#f6f8fa);display:flex;justify-content:center;min-height:100vh}.loading-spinner{color:#6b7280;flex-direction:column;gap:16px}.loading-spinner svg{color:#3b82f6}.loading-spinner p{font-size:14px}.user-info{align-items:center;display:flex;gap:12px;margin-right:16px}.username{font-size:.875rem;font-size:var(--font-size-sm);font-weight:500;font-weight:var(--font-medium)}.logout-btn,.usage-stats-btn,.username{color:#475569;color:var(--text-secondary)}.logout-btn,.usage-stats-btn{align-items:center;background:none;border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.375rem;border-radius:var(--radius-sm);cursor:pointer;display:flex;justify-content:center;margin-left:.5rem;margin-left:var(--space-2);padding:.5rem;padding:var(--space-2);transition:all .2s ease;transition:var(--transition-normal)}.logout-btn:hover,.usage-stats-btn:hover{background:#f1f5f9;background:var(--bg-tertiary);border-color:#cbd5e1;border-color:var(--border-medium);color:#0f172a;color:var(--text-primary)}.logout-btn:active,.usage-stats-btn:active{transform:scale(.95)}.usage-stats-btn{margin-left:0;margin-right:8px}.search-sources{background:#f8f9fa;border:1px solid #e1e5e9;border-radius:12px;margin-top:12px;overflow:hidden}.search-sources-toggle{align-items:center;background:none;border:none;color:#656d76;cursor:pointer;display:flex;font-size:13px;font-weight:500;gap:8px;justify-content:flex-start;padding:12px 16px;text-align:left;transition:all .2s ease;width:100%}.search-sources-toggle:hover{background:#f1f3f4;color:#24292f}.search-sources-toggle .dropdown-arrow{margin-left:auto;transition:transform .2s ease}.search-sources-toggle .dropdown-arrow.expanded{transform:rotate(180deg)}.search-sources-list{background:#fff;border-top:1px solid #e1e5e9}.search-source-item{border-bottom:1px solid #f6f8fa}.search-source-item:last-child{border-bottom:none}.search-source-link{align-items:center;color:inherit;display:flex;gap:12px;padding:12px 16px;text-decoration:none;transition:all .2s ease}.search-source-link:hover{background:#f6f8fa;transform:translateX(2px)}.search-source-content{flex:1 1;min-width:0}.search-source-title{color:#24292f;font-size:13px;font-weight:500;margin-bottom:2px}.search-source-title,.search-source-url{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-source-url{color:#656d76;font-size:11px}.search-source-link svg{color:#8b949e;flex-shrink:0;transition:all .2s ease}.search-source-link:hover svg{color:#0969da;transform:translateX(2px)}.intermediate-output-container{background:#f8f9fa;border:1px solid #e1e5e9;border-radius:12px;box-shadow:0 2px 4px rgba(0,0,0,.05);margin-bottom:16px;margin-top:12px;overflow:hidden}.intermediate-output-container.live{animation:pulse-border 2s ease-in-out infinite;border-color:#2563eb;box-shadow:0 0 0 1px rgba(37,99,235,.1),0 2px 8px rgba(37,99,235,.1)}@keyframes pulse-border{0%,to{border-color:#2563eb;box-shadow:0 0 0 1px rgba(37,99,235,.1),0 2px 8px rgba(37,99,235,.1)}50%{border-color:#3b82f6;box-shadow:0 0 0 1px rgba(59,130,246,.2),0 2px 12px rgba(59,130,246,.2)}}.intermediate-output-header{align-items:center;background:none;background:#f1f3f4;border:none;color:#24292f;cursor:default;display:flex;font-size:13px;font-weight:500;justify-content:space-between;padding:12px 16px;width:100%}.intermediate-output-container.live .intermediate-output-header{background:linear-gradient(90deg,#f1f3f4,#e8f2ff)}.live-indicator{align-items:center;color:#2563eb;display:inline-flex;font-size:11px;font-weight:600;gap:4px;letter-spacing:.5px;text-transform:uppercase}.live-indicator:before{animation:blink 1s ease-in-out infinite;background-color:#ef4444;border-radius:50%;content:"";height:6px;width:6px}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:.3}}.toggle-intermediate-btn{background:none;border:none;border-radius:4px;color:#656d76;cursor:pointer;font-size:12px;padding:2px 6px;transition:all .2s ease}.toggle-intermediate-btn:hover{background:#e1e5e9;color:#24292f}.intermediate-output-content{background:#fff;border-top:1px solid #e1e5e9;max-height:300px;overflow-y:auto;scrollbar-color:#cbd5e1 #f1f5f9;scrollbar-width:thin}.intermediate-output-content::-webkit-scrollbar{width:6px}.intermediate-output-content::-webkit-scrollbar-track{background:#f1f5f9}.intermediate-output-content::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.intermediate-output-content::-webkit-scrollbar-thumb:hover{background:#94a3b8}.intermediate-step{border-bottom:1px solid #f6f8fa;color:#656d76;font-size:12px;line-height:1.4;padding:8px 16px;transition:background-color .15s ease}.intermediate-step:last-child{border-bottom:none}.intermediate-step:hover{background:#f6f8fa}.intermediate-step.live-step{align-items:flex-start;animation:fadeInStep .5s ease-in-out forwards;display:flex;gap:8px;opacity:0}.intermediate-step.live-step:last-child{animation:fadeInStep .5s ease-in-out forwards,pulse-step 2s ease-in-out .5s infinite}@keyframes pulse-step{0%,to{background-color:transparent}50%{background-color:#f0f9ff}}.paywall-overlay{align-items:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:rgba(13,17,23,.6);bottom:0;display:flex;justify-content:center;left:0;padding:20px;position:fixed;right:0;top:0;z-index:1000}.paywall-content{animation:paywallSlideIn .3s cubic-bezier(.4,0,.2,1);background:#fff;border:1px solid #d1d9e0;border-radius:16px;box-shadow:0 20px 40px rgba(13,17,23,.15);max-width:500px;overflow:hidden;width:100%}@keyframes paywallSlideIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.paywall-header{background:linear-gradient(135deg,#f6f8fa,#fff);border-bottom:1px solid #eaeff4;padding:40px 32px 24px;text-align:center}.paywall-icon{align-items:center;background:linear-gradient(135deg,#ff6b35,#f7931e);border-radius:16px;box-shadow:0 8px 16px rgba(255,107,53,.2);display:flex;height:64px;justify-content:center;margin:0 auto 20px;width:64px}.paywall-icon svg{color:#fff;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.paywall-header h2{color:#0d1117;font-size:24px;font-weight:600;line-height:1.3;margin:0 0 12px}.paywall-header p{color:#656d76;font-size:16px;line-height:1.5;margin:0}.paywall-features{display:flex;flex-direction:column;gap:16px;padding:24px 32px}.paywall-features .feature-item{align-items:center;color:#24292f;display:flex;font-size:14px;font-weight:500;gap:12px}.paywall-features .feature-item svg{color:#00a96e;flex-shrink:0}.paywall-actions{background:#fafbfc;border-top:1px solid #eaeff4;display:flex;flex-direction:column;gap:12px;padding:24px 32px}.upgrade-btn{align-items:center;background:linear-gradient(135deg,#0969da,#0860ca);border:none;border-radius:12px;box-shadow:0 4px 12px rgba(9,105,218,.2);color:#fff;cursor:pointer;display:flex;font-size:16px;font-weight:600;gap:10px;justify-content:center;padding:14px 24px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.upgrade-btn:hover:not(:disabled){background:linear-gradient(135deg,#0860ca,#044289);box-shadow:0 6px 20px rgba(9,105,218,.3);color:#fff;text-decoration:none;transform:translateY(-2px)}.upgrade-btn:disabled{cursor:not-allowed;opacity:.7;transform:none}.upgrade-btn:disabled svg{animation:spin 1s linear infinite}.upgrade-btn svg{filter:drop-shadow(0 1px 2px rgba(0,0,0,.1))}.close-paywall-btn{background:transparent;border:1px solid #d1d9e0;border-radius:10px;color:#656d76;cursor:pointer;font-size:14px;font-weight:500;padding:12px 24px;transition:all .2s ease}.close-paywall-btn:hover{background:#f6f8fa;border-color:#afb8c1;color:#24292f}.test-subscribe-btn{background:linear-gradient(135deg,#ff6b35,#f7931e);border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:14px;font-weight:500;padding:12px 24px;transition:all .2s ease}.test-subscribe-btn:hover{background:linear-gradient(135deg,#f7931e,#e8840b);transform:translateY(-1px)}.paywall-footer{background:#f6f8fa;border-top:1px solid #eaeff4;padding:20px 32px;text-align:center}.paywall-footer p{align-items:center;color:#656d76;display:flex;font-size:12px;gap:6px;justify-content:center;margin:0}.paywall-footer svg{color:#00a96e;flex-shrink:0}.usage-controls{align-items:center;display:flex;flex-wrap:wrap;gap:12px}.reset-queries-btn{align-items:center;background:#f6f8fa;border:1px solid #d1d9e0;border-radius:6px;color:#656d76;cursor:pointer;display:flex;font-size:12px;font-weight:500;gap:6px;padding:6px 12px;text-decoration:none;transition:all .2s ease}.reset-queries-btn:hover:not(:disabled){background:#e1e7ed;border-color:#c1c9d0;color:#24292f;transform:translateY(-1px)}.reset-queries-btn:active:not(:disabled){background:#d7dde3;transform:translateY(0)}.reset-queries-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.reset-queries-btn:disabled svg{animation:spin 1s linear infinite}.reset-queries-btn svg{flex-shrink:0;transition:transform .2s ease}.reset-queries-btn:hover:not(:disabled) svg{transform:rotate(-45deg)}.search-progress{background:#f8fafc;background:var(--gray-50);border:1px solid #e2e8f0;border:1px solid var(--border-light);border-radius:.5rem;border-radius:var(--radius-md);opacity:.9}.search-thinking{color:#475569;color:var(--text-secondary);font-style:italic}.thinking-status{align-items:center;display:flex;gap:.75rem;gap:var(--space-3)}.thinking-indicator{align-items:center;display:flex;gap:.5rem;gap:var(--space-2)}.thinking-dots{display:flex;gap:.25rem;gap:var(--space-1)}.thinking-dots span{animation:thinking-pulse 1.4s ease-in-out infinite both;background-color:#2563eb;background-color:var(--primary-blue);border-radius:50%;height:6px;width:6px}.thinking-dots span:first-child{animation-delay:-.32s}.thinking-dots span:nth-child(2){animation-delay:-.16s}.thinking-dots span:nth-child(3){animation-delay:0s}@keyframes thinking-pulse{0%,80%,to{opacity:.5;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.thinking-label{color:#475569;color:var(--text-secondary);font-size:14px;line-height:1.4}.thinking-steps{flex-direction:column}.thinking-step,.thinking-steps{display:flex;gap:.5rem;gap:var(--space-2)}.thinking-step{align-items:flex-start;animation:fadeInStep .5s ease-in-out forwards;border-left:2px solid #2563eb;border-left:2px solid var(--primary-blue);margin-left:.5rem;margin-left:var(--space-2);opacity:0;padding:.25rem 0;padding:var(--space-1) 0;padding-left:.75rem;padding-left:var(--space-3)}.thinking-step:last-child .thinking-dots span{animation:thinking-pulse 1.4s ease-in-out infinite both}@keyframes fadeInStep{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:480px){.usage-controls{justify-content:center;width:100%}.input-footer{flex-direction:column;gap:12px}.reset-queries-btn{font-size:11px;padding:5px 10px}.thinking-label{font-size:13px}}@media (max-width:768px){.chat-item,.example-prompt,.feature-toggle,.model-option{align-items:center;display:flex;min-height:48px;touch-action:manipulation}.sidebar{transition:none}.sidebar.collapsed{border-bottom:none}.chat-history,.messages-container{-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.chat-container{height:calc(100dvh - 60px);min-height:0}.model-dropdown{-webkit-overflow-scrolling:touch;max-height:60vh;max-height:60dvh;overflow-y:auto;overscroll-behavior:contain}.messages-content{gap:1rem;gap:var(--space-4)}.input-wrapper textarea:focus{font-size:16px;transform:none}html{scroll-behavior:smooth}.chat-item:active,.example-prompt:active,.model-option:active{background:#f1f5f9;background:var(--bg-tertiary);transform:scale(.98);transition:all .1s ease}}@media (max-width:480px){.chat-container{height:calc(100dvh - 50px)}.message-content{font-size:15px;line-height:1.6}.logout-btn,.send-button,.upload-menu-btn,.usage-stats-btn{min-height:48px;min-width:48px}.messages-content{gap:.75rem;gap:var(--space-3)}.welcome-message{padding:1.5rem 1rem;padding:var(--space-6) var(--space-4)}.welcome-content h3{font-size:1.5rem;font-size:var(--font-size-2xl);line-height:1.3}.welcome-content p{color:#475569;color:var(--text-secondary);font-size:1rem;font-size:var(--font-size-base);line-height:1.5}}@media (max-width:768px) and (orientation:landscape){.sidebar{height:auto}.sidebar.collapsed{height:50px}.chat-container{height:calc(100dvh - 50px)}.sidebar-header{min-height:50px}.new-chat-btn,.sidebar-header{padding:.5rem 1rem;padding:var(--space-2) var(--space-4)}.new-chat-btn{min-height:40px}.messages-content{padding:.75rem 1rem;padding:var(--space-3) var(--space-4)}.input-container{padding:.75rem 1rem calc(1rem + env(safe-area-inset-bottom));padding:var(--space-3) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom))}}@media (-webkit-min-device-pixel-ratio:2),(min-resolution:192dpi){.logo img,.model-icon img{image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}}.auth-container{align-items:center;background:linear-gradient(135deg,#1e3a8a,#3b82f6);display:flex;justify-content:center;min-height:100vh;padding:20px}.auth-card{animation:slideIn .3s ease-out;background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.15);max-width:400px;padding:40px;width:100%}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-header{margin-bottom:30px;text-align:center}.auth-header h2{color:#1f2937;font-size:24px;font-weight:600;margin:0 0 8px}.auth-header p{color:#6b7280;font-size:14px;line-height:1.5;margin:0}.auth-form{gap:20px}.auth-form,.form-group{display:flex;flex-direction:column}.form-group{gap:6px}.form-group label{color:#374151;font-size:14px;font-weight:500}.form-group input{background:#fff;border:2px solid #e5e7eb;border-radius:8px;font-size:14px;padding:12px 16px;transition:all .2s ease}.form-group input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.1);outline:none}.form-group input:disabled{background-color:#f9fafb;cursor:not-allowed}.error-message{background-color:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#dc2626;font-size:14px;padding:12px 16px;text-align:center}.auth-submit-btn{background:linear-gradient(135deg,#3b82f6,#1d4ed8);border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:14px;font-weight:500;margin-top:10px;padding:14px 20px;transition:all .2s ease}.auth-submit-btn:hover:not(:disabled){box-shadow:0 10px 20px rgba(59,130,246,.2);transform:translateY(-1px)}.auth-submit-btn:active{transform:translateY(0)}.auth-submit-btn:disabled{cursor:not-allowed;opacity:.7;transform:none}.loading-spinner{align-items:center;display:flex;gap:8px;justify-content:center}.auth-toggle{border-top:1px solid #e5e7eb;margin-top:24px;padding-top:24px;text-align:center}.auth-toggle p{color:#6b7280;font-size:14px;margin:0}.toggle-btn{background:none;border:none;color:#3b82f6;cursor:pointer;font-size:14px;font-weight:500;text-decoration:none;transition:color .2s ease}.toggle-btn:hover:not(:disabled){color:#1d4ed8;text-decoration:underline}.toggle-btn:disabled{cursor:not-allowed;opacity:.5}.auth-footer{border-top:1px solid #e5e7eb;margin-top:20px;padding-top:20px;text-align:center}.legal-notice{color:#6b7280;font-size:12px;line-height:1.5;margin:0}.legal-notice a{color:#3b82f6;text-decoration:none;transition:color .2s ease}.legal-notice a:hover{color:#1d4ed8;text-decoration:underline}.verification-info{background:#f0f9ff;border:1px solid #bae6fd;border-radius:8px;margin-bottom:24px;padding:20px;text-align:center}.verification-info h3{color:#1e40af;font-size:18px;font-weight:600;margin:0 0 8px}.verification-info p{color:#1e40af;font-size:14px;line-height:1.5;margin:0}.verification-actions{border-top:1px solid #e5e7eb;margin-top:20px;padding-top:20px;text-align:center}.verification-actions p{color:#6b7280;font-size:14px;margin:0 0 12px}.back-btn,.resend-btn{background:none;border:1px solid #d1d5db;border-radius:6px;color:#374151;cursor:pointer;font-size:13px;font-weight:500;margin:0 6px;padding:8px 16px;transition:all .2s ease}.resend-btn:hover:not(:disabled){background-color:#f9fafb;border-color:#9ca3af}.back-btn:hover:not(:disabled){background-color:#f3f4f6;border-color:#6b7280}.back-btn:disabled,.resend-btn:disabled{cursor:not-allowed;opacity:.5}.forgot-password-link{margin-top:8px;text-align:right}.forgot-password-btn{background:none;border:none;color:#3b82f6;cursor:pointer;font-size:13px;font-weight:500;padding:0;text-decoration:none;transition:color .2s ease}.forgot-password-btn:hover:not(:disabled){color:#1d4ed8;text-decoration:underline}.forgot-password-btn:disabled{cursor:not-allowed;opacity:.5}.reset-info{background:#fff3cd;border:1px solid #ffeaa7;border-radius:8px;margin-bottom:24px;padding:16px;text-align:center}.reset-info p{color:#8b5a00;font-size:14px;line-height:1.5;margin:0}.auth-actions{border-top:1px solid #e5e7eb;margin-top:20px;padding-top:20px;text-align:center}.success-message{background-color:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;color:#166534;font-size:14px;padding:12px 16px;text-align:center}@media (max-width:480px){.auth-container{padding:10px}.auth-card{padding:30px 20px}.verification-actions{flex-direction:column}.back-btn,.resend-btn{margin:4px 0;width:100%}}.landing-container{color:#333;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;max-width:100%;overflow-x:hidden}.landing-header{align-items:flex-start;background-color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.05);display:flex;justify-content:space-between;left:0;padding:1.2rem 5% .6rem;position:fixed;right:0;top:0;z-index:100}.logo h1{color:#2d2d2d;font-size:1.8rem;font-weight:700;margin:0}.login-btn{background-color:transparent;border:1px solid #3e63dd;border-radius:5px;color:#3e63dd;cursor:pointer;font-weight:600;padding:.6rem 1.2rem;transition:all .2s ease}.login-btn:hover{background-color:rgba(62,99,221,.05)}.hero-section{align-items:center;background:linear-gradient(to bottom right,#f8f9ff,#f0f4ff);display:flex;justify-content:space-between;min-height:80vh;padding:10rem 5% 5rem}.hero-content{padding-right:2rem;width:50%}.hero-content h1{background:linear-gradient(90deg,#2d2d2d,#3e63dd);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:3.2rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem}.hero-content p{color:#555;font-size:1.25rem;line-height:1.6;margin-bottom:2rem;max-width:90%}.ai-workflow{flex-wrap:wrap;gap:1.5rem;justify-content:center;margin:2rem 0}.ai-workflow,.workflow-step{align-items:center;display:flex}.workflow-step{background-color:#fff;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.08);flex-direction:column;min-width:120px;padding:1.5rem 1rem;text-align:center;transition:all .3s ease}.workflow-step:hover{box-shadow:0 8px 20px rgba(0,0,0,.12);transform:translateY(-3px)}.workflow-icon{height:48px!important;margin-bottom:.8rem!important;margin-right:0!important;width:48px!important}.step-text{display:flex;flex-direction:column;gap:.3rem}.step-text strong{color:#2d2d2d;font-size:1.1rem;font-weight:600}.step-text span{color:#666;font-size:.9rem;font-weight:500}.workflow-arrow{color:#3e63dd;font-size:1.5rem;font-weight:700}.workflow-tagline{background:linear-gradient(90deg,#2d2d2d,#3e63dd);-webkit-background-clip:text;background-clip:text;color:#2d2d2d!important;color:transparent;font-size:1.3rem!important;font-weight:700!important;margin-bottom:2rem!important;text-align:center}.cta-button{background-color:#3e63dd;border:none;border-radius:8px;box-shadow:0 4px 14px rgba(62,99,221,.3);color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;padding:.9rem 1.8rem;transition:all .2s ease}.cta-button:hover{background-color:#3254c5;box-shadow:0 6px 20px rgba(62,99,221,.4);transform:translateY(-2px)}.hero-image{align-items:center;display:flex;justify-content:center;width:45%}.model-display{display:flex;flex-direction:column;gap:1rem}.model-card{align-items:center;background-color:#fff;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08);display:flex;padding:1.2rem;transition:all .3s ease}.model-card:hover{box-shadow:0 12px 28px rgba(0,0,0,.12);transform:translateX(5px)}.model-icon{align-items:center;background-color:#3e63dd;border-radius:8px;color:#fff;display:flex;font-weight:700;height:40px;justify-content:center;margin-right:1rem;overflow:visible;width:40px}.model-icon img{border-radius:6px;height:36px;object-fit:contain;width:36px}.model-card .model-icon img[alt=Claude]{background:transparent!important;height:38px!important;max-height:none!important;max-width:none!important;object-fit:contain!important;width:38px!important}.model-card .model-icon:has(img[alt=Claude]){background-color:#3e63dd!important}.claude-logo{background:transparent!important;object-fit:contain!important}.model-icon.claude-logo{background-color:#3e63dd!important}.model-card h3{font-size:1.2rem;font-weight:600;margin:0}.features-section{background-color:#fff;padding:6rem 5%;text-align:center}.features-section h2{font-size:2.5rem;margin-bottom:3rem}.features-grid{grid-gap:2rem;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin:0 auto;max-width:1200px}.feature-item{background-color:#f8f9ff;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.04);padding:2.5rem 2rem;text-align:left;transition:all .3s ease}.feature-item:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-5px)}.feature-icon{background-color:rgba(62,99,221,.1)}.feature-icon,.feature-number{align-items:center;border-radius:50%;display:flex;height:50px;justify-content:center;margin-bottom:1.5rem;width:50px}.feature-number{background-color:#3e63dd;color:#fff;font-size:1.5rem;font-weight:700}.feature-icon svg{color:#3e63dd}.feature-item h3{font-size:1.3rem;line-height:1.4;margin-bottom:1rem}.feature-subtitle{color:#555;display:block;font-size:.95rem;font-weight:400;margin-top:.5rem}.feature-item p{color:#555;line-height:1.6}.models-section{background:linear-gradient(to bottom right,#fafbff,#f5f7ff);padding:4rem 5%;text-align:center}.models-section h2{color:#2d2d2d;font-size:2.2rem;margin-bottom:2rem}.models-grid{grid-gap:1rem;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:0 auto;max-width:1200px}.model-showcase-item{background-color:#fff;border:1px solid rgba(62,99,221,.08);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.04);padding:1.2rem;text-align:left;transition:all .3s ease}.model-showcase-item:hover{border-color:rgba(62,99,221,.2);box-shadow:0 8px 32px rgba(0,0,0,.12);transform:translateY(-4px)}.model-showcase-header{align-items:center;display:flex;gap:.7rem;margin-bottom:.7rem}.model-showcase-icon{align-items:center;background-color:rgba(62,99,221,.1);border-radius:8px;display:flex;height:36px!important;justify-content:center;padding:6px;width:36px!important}.model-showcase-icon img{height:24px!important;object-fit:contain;width:24px!important}.model-showcase-info h3{color:#2d2d2d;font-size:1.1rem;font-weight:600;line-height:1.2;margin:0}.model-provider{color:#666;font-size:.8rem;font-weight:500;opacity:.8}.model-showcase-item p{color:#555;font-size:.85rem;line-height:1.4;margin:0}.pricing-section{background-color:#f8f9ff;display:flex;justify-content:center;padding:5rem 5%}.pricing-card{background-color:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.08);max-width:400px;padding:3rem;text-align:center;transition:all .3s ease;width:100%}.pricing-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.12);transform:translateY(-5px)}.pricing-card h2{font-size:1.8rem;margin-bottom:1.5rem;margin-top:0}.price{color:#3e63dd;font-size:3.5rem;font-weight:700;margin-bottom:1.5rem}.price span{color:#888;font-size:1.2rem;font-weight:500}.pricing-features{list-style-type:none;margin:0 0 2rem;padding:0;text-align:left}.pricing-features li{padding:.8rem 0 .8rem 1.8rem;position:relative}.pricing-features li:before{color:#3e63dd;content:"✓";font-weight:700;left:0;position:absolute}.pricing-cta{background-color:#3e63dd;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;padding:.9rem 0;transition:all .2s ease;width:100%}.pricing-cta:hover{background-color:#3254c5}.landing-footer{background-color:#2d2d2d;color:#f0f0f0;padding:4rem 5% 2rem}.footer-content{grid-gap:3rem;display:grid;gap:3rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin:0 auto 3rem;max-width:1200px}.footer-section h3{font-size:1.5rem;margin-bottom:1rem;margin-top:0}.footer-section p{color:#bbb;line-height:1.6}.footer-section h4{font-size:1.2rem;margin-bottom:1.2rem;margin-top:0}.links ul{list-style-type:none;margin:0;padding:0}.links ul li{margin-bottom:.8rem}.links ul li a{color:#bbb;text-decoration:none;transition:color .2s ease}.links ul li a:hover{color:#fff}.contact a{color:#3e63dd;text-decoration:none}.contact a:hover{text-decoration:underline}.refund-policy{font-size:.9rem;margin-top:1rem;opacity:.9}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.1);color:#888;font-size:.9rem;padding-top:1.5rem;text-align:center}@media (max-width:992px){.hero-section{flex-direction:column;padding-top:8rem;text-align:center}.hero-content{margin-bottom:3rem;padding-right:0;width:100%}.hero-content p{max-width:100%}.hero-image{width:100%}.model-display{flex-direction:row;gap:1rem;justify-content:center;width:100%}.model-card{flex-direction:column;text-align:center;width:30%}.model-icon{margin-bottom:.5rem;margin-right:0}}@media (max-width:768px){.landing-header{padding:1.2rem 5%}.hero-content h1{font-size:2.5rem}.hero-content p{font-size:1.1rem}.features-grid{gap:1.5rem}.models-grid{gap:1rem;grid-template-columns:1fr}.models-section{padding:4rem 5%}.models-section h2{font-size:2rem}.model-display{flex-wrap:wrap}.model-card{max-width:200px;width:100%}.ai-workflow{flex-direction:column;gap:1rem}.workflow-arrow{font-size:1.2rem;transform:rotate(90deg)}.workflow-step{max-width:250px;min-width:200px;width:100%}.footer-content{gap:2rem;grid-template-columns:1fr}}@media (max-width:480px){.hero-content h1{font-size:2rem}.models-section{padding:3rem 5%}.models-section h2{font-size:1.8rem}.model-showcase-item{padding:1.5rem}.model-showcase-icon{height:40px!important;width:40px!important}.model-showcase-icon img{height:24px!important;width:24px!important}.pricing-card{padding:2rem 1.5rem}.logo h1{font-size:1.5rem}}.static-page-container{color:#333;display:flex;flex-direction:column;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;min-height:100vh}.static-page-header{align-items:center;background-color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.05);display:flex;justify-content:space-between;padding:1.5rem 5%;position:-webkit-sticky;position:sticky;top:0;z-index:100}.site-logo{color:#2d2d2d;font-size:1.8rem;font-weight:700;text-decoration:none;transition:color .2s ease}.site-logo:hover{color:#3e63dd}.header-links{display:flex;gap:1.5rem}.nav-link{color:#3e63dd;font-weight:500;text-decoration:none;transition:color .2s ease}.nav-link:hover{color:#2b4ab3;text-decoration:underline}.static-page-content{flex:1 1;margin:2rem auto;max-width:800px;padding:0 2rem 4rem}.static-page-content h1{color:#2d2d2d;font-size:2.5rem;margin-bottom:.5rem}.last-updated{color:#777;font-size:.9rem;margin-bottom:2rem}.static-page-content section{margin-bottom:2.5rem}.static-page-content h2{color:#3e63dd;font-size:1.5rem;margin-bottom:1rem}.static-page-content p{line-height:1.6;margin-bottom:1rem}.static-page-content ul{list-style-type:disc;margin-bottom:1.5rem;margin-left:1.5rem}.static-page-content ul li{line-height:1.6;margin-bottom:.5rem}.static-page-footer{background-color:#f5f7ff;border-top:1px solid #e0e5ff;padding:2rem 5%;text-align:center}.footer-links{display:flex;gap:2rem;justify-content:center;margin-bottom:1rem}.footer-links a{color:#555;text-decoration:none;transition:color .2s ease}.footer-links a:hover{color:#3e63dd;text-decoration:underline}.static-page-footer p{color:#777;font-size:.9rem}@media (max-width:768px){.static-page-content{padding:0 1.5rem 3rem}.static-page-content h1{font-size:2rem}.footer-links{flex-wrap:wrap;gap:1rem}}@media (max-width:480px){.static-page-header{flex-direction:column;gap:.5rem;padding:1rem 5%;text-align:center}.static-page-content h1{font-size:1.8rem}}.subscription-success-container{align-items:center;background:linear-gradient(135deg,#f6f8fa,#fff);display:flex;justify-content:center;min-height:100vh;padding:20px}.subscription-success-content{animation:successSlideIn .6s cubic-bezier(.4,0,.2,1);background:#fff;border:1px solid #d1d9e0;border-radius:20px;box-shadow:0 20px 40px rgba(13,17,23,.1);max-width:600px;overflow:hidden;width:100%}@keyframes successSlideIn{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.success-header{background:linear-gradient(135deg,#f6f8fa,#fff);border-bottom:1px solid #eaeff4;padding:40px 32px 32px;text-align:center}.success-icon{align-items:center;animation:successPulse 2s ease-in-out infinite;background:linear-gradient(135deg,#00a96e,#00d084);border-radius:20px;box-shadow:0 8px 16px rgba(0,169,110,.2);display:flex;height:80px;justify-content:center;margin:0 auto 24px;width:80px}@keyframes successPulse{0%,to{box-shadow:0 8px 16px rgba(0,169,110,.2);transform:scale(1)}50%{box-shadow:0 12px 24px rgba(0,169,110,.3);transform:scale(1.05)}}.success-icon svg{color:#fff;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.success-header h1{color:#0d1117;font-size:28px;font-weight:700;line-height:1.3;margin:0 0 16px}.success-header p{color:#656d76;font-size:16px;line-height:1.5;margin:0}.subscription-details{grid-gap:20px;border-bottom:1px solid #eaeff4;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));padding:32px}.detail-card{background:#f6f8fa;border:1px solid #d1d9e0;border-radius:12px;padding:20px;text-align:center;transition:all .3s ease}.detail-card:hover{background:#fff;box-shadow:0 4px 12px rgba(13,17,23,.1);transform:translateY(-2px)}.detail-icon{align-items:center;background:linear-gradient(135deg,#0969da,#0860ca);border-radius:10px;display:flex;height:40px;justify-content:center;margin:0 auto 16px;width:40px}.detail-icon svg{color:#fff}.detail-content h3{color:#656d76;font-size:14px;font-weight:600;letter-spacing:.5px;margin:0 0 8px;text-transform:uppercase}.detail-value{color:#0d1117;font-size:24px;font-weight:700;line-height:1.2;margin:0 0 4px}.detail-description{color:#8b949e;font-size:12px;margin:0}.premium-features{border-bottom:1px solid #eaeff4;padding:32px}.premium-features h3{color:#0d1117;font-size:18px;font-weight:600;margin:0 0 20px;text-align:center}.features-grid{grid-gap:16px;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.feature-item{align-items:center;background:#f6f8fa;border:1px solid #d1d9e0;border-radius:8px;color:#24292f;display:flex;font-size:14px;font-weight:500;gap:12px;padding:12px}.feature-item svg{color:#00a96e;flex-shrink:0}.success-actions{border-bottom:1px solid #eaeff4;padding:32px;text-align:center}.continue-btn{align-items:center;border:none;border-radius:12px;cursor:pointer;display:inline-flex;font-size:16px;font-weight:600;gap:10px;justify-content:center;padding:16px 32px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.continue-btn.primary{background:linear-gradient(135deg,#0969da,#0860ca);box-shadow:0 4px 16px rgba(9,105,218,.2);color:#fff}.continue-btn.primary:hover{background:linear-gradient(135deg,#0860ca,#044289);box-shadow:0 8px 24px rgba(9,105,218,.3);transform:translateY(-2px)}.continue-btn:not(.primary){background:transparent;border:1px solid #d1d9e0;color:#656d76}.continue-btn:not(.primary):hover{background:#f6f8fa;border-color:#afb8c1;color:#24292f}.success-footer{background:#f6f8fa;padding:20px 32px;text-align:center}.success-footer p{align-items:center;color:#656d76;display:flex;font-size:12px;gap:6px;justify-content:center;margin:0}.success-footer svg{color:#00a96e;flex-shrink:0}.loading-spinner{padding:60px 40px;text-align:center}.loading-spinner svg{animation:spin 1s linear infinite;color:#0969da;margin-bottom:16px}.loading-spinner p{color:#656d76;font-size:16px;margin:0}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.subscription-error{padding:60px 40px;text-align:center}.error-icon{align-items:center;background:linear-gradient(135deg,#da3633,#cf222e);border-radius:16px;display:flex;height:64px;justify-content:center;margin:0 auto 20px;width:64px}.error-icon svg{color:#fff}.subscription-error h2{color:#0d1117;font-size:24px;font-weight:600;margin:0 0 12px}.subscription-error p{color:#656d76;font-size:16px;margin:0 0 24px}@media (max-width:768px){.subscription-success-content{border-radius:16px;margin:0}.success-header{padding:32px 24px 24px}.subscription-details{grid-template-columns:1fr;padding:24px}.premium-features{padding:24px}.features-grid{grid-template-columns:1fr}.success-actions{padding:24px}.continue-btn{padding:14px 24px;width:100%}}@media (max-width:480px){.subscription-success-container{padding:10px}.success-header h1{font-size:24px}.detail-card{padding:16px}.detail-value{font-size:20px}}
/*# sourceMappingURL=main.b1a33151.css.map*/