:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#dbeafe;--color-primary-dark:#1e40af;--color-neutral-50:#fafafa;--color-neutral-100:#f5f5f5;--color-neutral-200:#e5e5e5;--color-neutral-300:#d4d4d4;--color-neutral-400:#a3a3a3;--color-neutral-500:#737373;--color-neutral-600:#525252;--color-neutral-700:#404040;--color-neutral-800:#262626;--color-neutral-900:#171717;--color-success:#10b981;--color-success-light:#d1fae5;--color-warning:#f59e0b;--color-warning-light:#fef3c7;--color-error:#ef4444;--color-error-light:#fee2e2;--color-info:#3b82f6;--color-info-light:#dbeafe;--color-bg-primary:#fff;--color-bg-secondary:#fafafa;--color-bg-tertiary:#f5f5f5;--color-bg-elevated:#fff;--color-text-primary:#171717;--color-text-secondary:#525252;--color-text-tertiary:#a3a3a3;--color-text-inverse:#fff;--color-border-light:#f5f5f5;--color-border-medium:#e5e5e5;--color-border-strong:#d4d4d4;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.625;--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;--space-20:5rem;--radius-sm:0.25rem;--radius-md:0.375rem;--radius-lg:0.5rem;--radius-xl:0.75rem;--radius-2xl:1rem;--radius-full:9999px;--transition-fast:150ms ease;--transition-normal:200ms ease;--transition-slow:300ms ease;--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1280px}*{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-family:var(--font-sans);line-height:1.5;line-height:var(--leading-normal)}body{background-color:#fafafa;color:#171717;font-size:1rem}.container{margin:0 auto;max-width:1280px;padding:0 1rem;padding:0 var(--space-4);width:100%}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem;gap:var(--space-2)}.gap-4{gap:1rem;gap:var(--space-4)}.gap-6{gap:1.5rem;gap:var(--space-6)}.p-4{padding:1rem;padding:var(--space-4)}.p-6{padding:1.5rem;padding:var(--space-6)}.p-8{padding:2rem;padding:var(--space-8)}.px-4{padding-left:1rem;padding-left:var(--space-4);padding-right:1rem;padding-right:var(--space-4)}.py-2{padding-bottom:.5rem;padding-bottom:var(--space-2);padding-top:.5rem;padding-top:var(--space-2)}.py-4{padding-bottom:1rem;padding-bottom:var(--space-4);padding-top:1rem;padding-top:var(--space-4)}.mb-4{margin-bottom:1rem;margin-bottom:var(--space-4)}.mb-6{margin-bottom:1.5rem;margin-bottom:var(--space-6)}.mb-8{margin-bottom:2rem;margin-bottom:var(--space-8)}.text-sm{font-size:.875rem;font-size:var(--text-sm)}.text-base{font-size:1rem;font-size:var(--text-base)}.text-lg{font-size:1.125rem;font-size:var(--text-lg)}.text-xl{font-size:1.25rem;font-size:var(--text-xl)}.text-2xl{font-size:1.5rem;font-size:var(--text-2xl)}.text-3xl{font-size:1.875rem;font-size:var(--text-3xl)}.font-medium{font-weight:500;font-weight:var(--font-medium)}.font-semibold{font-weight:600;font-weight:var(--font-semibold)}.font-bold{font-weight:700;font-weight:var(--font-bold)}.text-primary{color:#171717;color:var(--color-text-primary)}.text-secondary{color:#525252;color:var(--color-text-secondary)}.text-tertiary{color:#a3a3a3;color:var(--color-text-tertiary)}.bg-white{background-color:#fff;background-color:var(--color-bg-primary)}.bg-gray-50{background-color:#fafafa;background-color:var(--color-neutral-50)}.bg-primary{background-color:#2563eb;background-color:var(--color-primary);color:#fff;color:var(--color-text-inverse)}.border{border:1px solid #e5e5e5;border:1px solid var(--color-border-medium)}.border-light{border:1px solid #f5f5f5;border:1px solid var(--color-border-light)}.rounded-md{border-radius:.375rem;border-radius:var(--radius-md)}.rounded-lg{border-radius:.5rem;border-radius:var(--radius-lg)}.rounded-xl{border-radius:.75rem;border-radius:var(--radius-xl)}.rounded-2xl{border-radius:1rem;border-radius:var(--radius-2xl)}.shadow-sm{box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm)}.shadow-md{box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;box-shadow:var(--shadow-lg)}.transition{transition:all .2s ease;transition:all var(--transition-normal)}.hover-lift:hover{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;box-shadow:var(--shadow-lg);transform:translateY(-1px)}.focus-ring:focus{outline:2px solid #2563eb;outline:2px solid var(--color-primary);outline-offset:2px}.btn{align-items:center;border:none;border-radius:.5rem;border-radius:var(--radius-lg);cursor:pointer;display:inline-flex;font-size:.875rem;font-size:var(--text-sm);font-weight:500;font-weight:var(--font-medium);gap:.5rem;gap:var(--space-2);justify-content:center;outline:none;padding:.75rem 1.5rem;padding:var(--space-3) var(--space-6);text-decoration:none;transition:.15s ease;transition:var(--transition-fast)}.btn:focus{outline:2px solid #2563eb;outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{background-color:#2563eb;background-color:var(--color-primary);color:#fff;color:var(--color-text-inverse)}.btn-primary:hover{background-color:#1d4ed8;background-color:var(--color-primary-hover)}.btn-secondary{background-color:#fff;background-color:var(--color-bg-primary);border:1px solid #e5e5e5;border:1px solid var(--color-border-medium);color:#171717;color:var(--color-text-primary)}.btn-secondary:hover{background-color:#fafafa;background-color:var(--color-neutral-50)}.btn-ghost{background-color:initial;color:#525252;color:var(--color-text-secondary)}.btn-ghost:hover{background-color:#f5f5f5;background-color:var(--color-neutral-100)}.btn-ghost:hover,.input{color:#171717;color:var(--color-text-primary)}.input{background-color:#fff;background-color:var(--color-bg-primary);border:1px solid #e5e5e5;border:1px solid var(--color-border-medium);border-radius:.5rem;border-radius:var(--radius-lg);font-size:.875rem;font-size:var(--text-sm);padding:.75rem 1rem;padding:var(--space-3) var(--space-4);transition:.15s ease;transition:var(--transition-fast);width:100%}.input:focus{border-color:#2563eb;border-color:var(--color-primary);box-shadow:0 0 0 3px #dbeafe;box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.input::placeholder{color:#a3a3a3;color:var(--color-text-tertiary)}.card{background-color:#fff;background-color:var(--color-bg-elevated);border:1px solid #f5f5f5;border:1px solid var(--color-border-light);border-radius:.75rem;border-radius:var(--radius-xl);box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);transition:.2s ease;transition:var(--transition-normal)}.card:hover{box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;box-shadow:var(--shadow-md)}.form-group{margin-bottom:1.5rem}.form-label{color:#171717;font-size:.875rem;font-weight:500;margin-bottom:.5rem}.form-error{color:#ef4444;font-size:.875rem;margin-top:.25rem}.status-success{background-color:#d1fae5;background-color:var(--color-success-light);color:#10b981;color:var(--color-success)}.status-warning{background-color:#fef3c7;background-color:var(--color-warning-light);color:#f59e0b;color:var(--color-warning)}.status-error{background-color:#fee2e2;background-color:var(--color-error-light);color:#ef4444;color:var(--color-error)}.status-info{background-color:#dbeafe;background-color:var(--color-info-light);color:#3b82f6;color:var(--color-info)}@media (max-width:768px){.container{padding:0 .75rem;padding:0 var(--space-3)}.btn{font-size:.875rem;font-size:var(--text-sm);padding:.75rem 1rem;padding:var(--space-3) var(--space-4)}.text-3xl{font-size:1.5rem;font-size:var(--text-2xl)}.text-2xl{font-size:1.25rem;font-size:var(--text-xl)}}*,:after,:before{box-sizing:border-box}html{height:100%;scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--color-bg-secondary);color:var(--color-text-primary);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);margin:0;padding:0}#root,body{min-height:100vh}#root{display:flex;flex-direction:column}::-webkit-scrollbar{height:6px;width:6px}::-webkit-scrollbar-track{background:var(--color-neutral-100);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--color-neutral-300);border-radius:var(--radius-full);-webkit-transition:var(--transition-fast);transition:var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:var(--color-neutral-400)}*{scrollbar-color:var(--color-neutral-300) var(--color-neutral-100);scrollbar-width:thin}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);font-weight:var(--font-semibold);line-height:var(--leading-tight);margin:0}h1{font-size:var(--text-3xl)}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}h4{font-size:var(--text-lg)}p{line-height:var(--leading-relaxed);margin:0}a{color:var(--color-primary);text-decoration:none;transition:var(--transition-fast)}a:hover{color:var(--color-primary-hover);text-decoration:underline}:focus{outline:none}:focus-visible{border-radius:var(--radius-sm);outline:2px solid var(--color-primary);outline-offset:2px}::selection{background-color:var(--color-primary-light);color:var(--color-text-primary)}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes 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ease-out}input[type=email],input[type=number],input[type=password],input[type=search],input[type=tel],input[type=text],input[type=url],select,textarea{font-family:inherit;font-size:var(--text-sm);line-height:var(--leading-normal)}input,select,textarea{background:none;border:none;outline:none}input[type=checkbox],input[type=radio]{height:16px;margin-right:var(--space-2);width:16px}.sr-only{clip:rect(0,0,0,0);border:0;height:1px;margin:-1px;padding:0;position:absolute;width:1px}.sr-only,.truncate{overflow:hidden;white-space:nowrap}.truncate{text-overflow:ellipsis}.hidden{display:none!important}.w-full{width:100%}.h-full{height:100%}.select-none{-webkit-user-select:none;user-select:none}.pointer-events-none{pointer-events:none}@media (min-width:640px){.sm\:hidden{display:none}.sm\:block{display:block}.sm\:flex{display:flex}}@media (min-width:768px){.md\:hidden{display:none}.md\:block{display:block}.md\:flex{display:flex}}@media (min-width:1024px){.lg\:hidden{display:none}.lg\:block{display:block}.lg\:flex{display:flex}}@media print{.no-print{display:none!important}body{background:#fff!important;color:#000!important}.card{border:1px solid #ccc!important;box-shadow:none!important}}.voice-input-button{position:relative;transition:all .2s ease-in-out}.voice-input-button:hover{transform:scale(1.05)}.voice-input-button.recording{animation:recording-pulse 1.5s ease-in-out infinite;box-shadow:0 0 0 2px #f443364d}@keyframes recording-pulse{0%{box-shadow:0 0 0 2px #f443364d}50%{box-shadow:0 0 0 6px #f443361a}to{box-shadow:0 0 0 2px #f443364d}}.interim-transcript{background:#000c;border-radius:4px;color:#fff;font-size:12px;margin-top:8px;max-width:200px;overflow:hidden;padding:4px 8px;text-overflow:ellipsis;top:100%;white-space:nowrap;z-index:1000}.interim-transcript,.interim-transcript:before{left:50%;position:absolute;transform:translateX(-50%)}.interim-transcript:before{border-bottom:4px solid #000c;border-left:4px solid #0000;border-right:4px solid #0000;content:"";top:-4px}.voice-input-button.recording .MuiSvgIcon-root{animation:recording-icon-pulse 1s ease-in-out infinite}@keyframes recording-icon-pulse{0%,to{opacity:1}50%{opacity:.7}}.voice-input-button[aria-describedby]{border:1px solid #f44336}@media (max-width:600px){.interim-transcript{font-size:11px;max-width:150px}}.voice-input-button:focus-visible{outline:2px solid #1976d2;outline-offset:2px}.chat-input .voice-input-button{margin-right:8px}@media (prefers-contrast:high){.voice-input-button.recording{animation:none;border:2px solid #f44336}.interim-transcript{background:#000;border:1px solid #fff}}@media (prefers-reduced-motion:reduce){.voice-input-button,.voice-input-button.recording,.voice-input-button.recording .MuiSvgIcon-root,.voice-input-button:hover{animation:none;transition:none}.voice-input-button:hover{transform:none}}.voice-speaker-container{align-items:center;display:flex;gap:4px;margin-top:8px}.voice-speaker-button{opacity:.7;transition:all .2s ease-in-out}.voice-speaker-button:hover{opacity:1;transform:scale(1.05)}.voice-speaker-button.speaking{animation:speaking-pulse 2s ease-in-out infinite;opacity:1}@keyframes speaking-pulse{0%,to{box-shadow:0 0 0 2px #1976d24d;transform:scale(1)}50%{box-shadow:0 0 0 4px #1976d21a;transform:scale(1.1)}}.voice-settings-button,.voice-stop-button{opacity:.5;transition:opacity .2s ease-in-out}.voice-settings-button:hover,.voice-stop-button:hover{opacity:1}.message-bubble.assistant .voice-speaker-container{border-top:1px solid #0000001a;margin-top:8px;padding-top:8px}@media (max-width:600px){.voice-speaker-container{gap:2px}.voice-settings-button{display:none}}@media (prefers-contrast:high){.voice-speaker-button.speaking{animation:none;border:2px 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.3s ease}.chat-content-area.history-hidden{margin-left:0}.chat-container{background:var(--color-bg-primary);border:1px solid var(--color-border-light);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;height:calc(100vh - 120px);overflow:hidden}.chat-header{background:var(--color-primary);border-bottom:1px solid 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var(--space-5);position:relative;white-space:pre-wrap}.message-bubble.user{background:var(--color-primary);border-bottom-right-radius:var(--radius-md);color:var(--color-text-inverse);margin-left:var(--space-12)}.message-bubble.assistant{background:var(--color-neutral-100);border-bottom-left-radius:var(--radius-md);color:var(--color-text-primary);margin-right:var(--space-12)}.message-avatar{align-items:center;border-radius:var(--radius-full);display:flex;flex-shrink:0;height:32px;justify-content:center;margin-top:var(--space-1);width:32px}.message-avatar.bot{background-color:var(--color-primary);color:var(--color-text-inverse)}.message-avatar.user{background-color:var(--color-neutral-600);color:var(--color-text-inverse)}.typing-container{align-items:center;display:flex;gap:var(--space-2)}.typing-dot{animation:typing 1.4s ease-in-out infinite;background-color:var(--color-neutral-400);border-radius:var(--radius-full);height:8px;width:8px}.typing-dot:first-child{animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}.typing-text{color:var(--color-text-tertiary);font-size:var(--text-sm);margin-left:var(--space-2)}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-8px)}}.source-chips{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-bottom:var(--space-2);margin-top:var(--space-3);max-width:75%}.source-chip{background:var(--color-primary-light);border:1px solid var(--color-primary);border-radius:var(--radius-full);color:var(--color-primary);cursor:pointer;font-size:var(--text-xs);font-weight:var(--font-medium);padding:var(--space-1) var(--space-3);transition:var(--transition-fast)}.source-chip:hover{background:var(--color-primary);color:var(--color-text-inverse)}.input-area{background:var(--color-bg-primary);border-top:1px solid 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var(--color-info);color:var(--color-info)}.form-loading{overflow:hidden;position:relative}.form-loading:after{align-items:center;background-color:#fffc;bottom:0;content:"";display:flex;justify-content:center;left:0;position:absolute;right:0;top:0;z-index:10}.form-spinner{animation:spin 1s linear infinite;border-top:2px solid var(--color-neutral-200);border:2px solid var(--color-neutral-200);border-radius:var(--radius-full);border-top-color:var(--color-primary);height:20px;width:20px}@media (max-width:768px){.form-container{border-radius:var(--radius-xl);margin:var(--space-4);padding:var(--space-6)}.form-title{font-size:var(--text-2xl)}.form-group-row{gap:var(--space-4);grid-template-columns:1fr}.form-actions{flex-direction:column-reverse;gap:var(--space-3)}.form-button{justify-content:center;width:100%}}.form-input:invalid{border-color:var(--color-error)}.form-input:valid:not(:placeholder-shown){border-color:var(--color-success)}@media 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