@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";:root{--bg-color:#f9fafb;--bg-white:#fff;--bg-hover:#f3f4f6;--text-primary:#111827;--text-secondary:#4b5563;--text-muted:#9ca3af;--border-color:#e5e7eb;--accent-primary:#3b82f6;--accent-user:#4f46e5;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000006;--shadow-xl:0 20px 25px -5px #0000000d, 0 10px 10px -5px #00000005;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:24px;--radius-full:9999px;--transition-smooth:.2s cubic-bezier(.4, 0, .2, 1);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);min-height:100vh;color:var(--text-primary);background-image:linear-gradient(#f9fafb 0%,#f3f4f6 100%);background-attachment:fixed;margin:0}*{box-sizing:border-box}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:#d1d5db}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.app{flex-direction:column;max-width:900px;min-height:100vh;margin:0 auto;padding:40px 24px;display:flex}.app-header{text-align:center;margin-bottom:40px;padding:10px 0;animation:.8s ease-out fadeIn}.app-title{color:var(--text-primary);letter-spacing:-.02em;margin-bottom:8px;font-size:2.25rem;font-weight:600}.app-subtitle{color:var(--text-secondary);font-size:1.1rem;font-weight:400}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.app{padding:20px 16px}.app-header{margin-bottom:24px}.app-title{font-size:1.75rem}.app-subtitle{font-size:1rem}}.chat-container{background:var(--bg-white);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);height:calc(100vh - 240px);max-height:800px;transition:box-shadow var(--transition-smooth);flex-direction:column;display:flex;position:relative;overflow:hidden}.chat-persona-info{border-bottom:1px solid var(--border-color);background:var(--bg-white);align-items:center;padding:20px 24px;display:flex;position:relative;overflow:hidden}.chat-persona-info:before{content:"";background:var(--persona-color,var(--accent-primary));height:3px;position:absolute;top:0;left:0;right:0}.persona-avatar{border-radius:var(--radius-full);background:var(--bg-hover);border:1px solid var(--border-color);flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;margin-right:16px;font-size:1.6rem;display:flex}.persona-details{flex:1}.persona-name{color:var(--text-primary);margin-bottom:2px;font-size:1.2rem;font-weight:600}.persona-title{color:var(--text-secondary);font-size:.9rem}.chat-messages{background-color:var(--bg-white);scroll-behavior:smooth;flex-direction:column;flex:1;gap:20px;padding:24px;display:flex;overflow-y:auto}.welcome-message{text-align:center;color:var(--text-secondary);padding:60px 20px;animation:.8s fadeIn}.welcome-message h3{color:var(--text-primary);margin-bottom:12px;font-size:1.75rem;font-weight:600}.welcome-message p{margin-bottom:8px;font-size:1rem}.error-message{border-radius:var(--radius-md);color:#ef4444;background-color:#fef2f2;border:1px solid #fecaca;gap:12px;margin:10px 0;padding:16px;display:flex}.chat-input-form{border-top:1px solid var(--border-color);background:var(--bg-white);align-items:center;gap:12px;padding:20px 24px;display:flex}.chat-input{background:var(--bg-hover);border-radius:var(--radius-full);color:var(--text-primary);transition:all var(--transition-smooth);border:1px solid #0000;flex:1;padding:16px 24px;font-family:inherit;font-size:1rem}.chat-input::placeholder{color:var(--text-muted)}.chat-input:focus{background:var(--bg-white);border-color:var(--persona-color,var(--accent-primary));outline:none;box-shadow:0 0 0 3px #3b82f61a}.chat-input:disabled{background:var(--bg-hover);cursor:not-allowed;opacity:.7}.chat-submit{border-radius:var(--radius-full);color:#fff;cursor:pointer;background-color:var(--persona-color,var(--accent-primary));width:50px;height:50px;box-shadow:var(--shadow-sm);transition:all var(--transition-smooth);border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;display:flex}.chat-submit:hover:not(:disabled){box-shadow:var(--shadow-md);transform:translateY(-2px)}.chat-submit:active:not(:disabled){transform:translateY(0)}.chat-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}@media (width<=768px){.chat-container{border-radius:var(--radius-lg);height:calc(100vh - 180px)}}.message{transform-origin:bottom;align-items:flex-end;gap:12px;animation:.3s ease-out messageSlideIn;display:flex}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-user{flex-direction:row-reverse}.message-avatar{border-radius:var(--radius-full);background-color:var(--bg-hover);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;display:flex}.message-content{flex:1;display:flex}.message-user .message-content{justify-content:flex-end}.message-bubble{word-wrap:break-word;border-radius:20px;max-width:75%;padding:12px 18px;font-size:.95rem;line-height:1.5}.message-user .message-bubble{background-color:var(--accent-user);color:#fff;border-bottom-right-radius:4px}.message-assistant .message-bubble{background-color:var(--bg-hover);color:var(--text-primary);border-bottom-left-radius:4px}@media (width<=768px){.message-avatar{display:none}.message-bubble{max-width:85%;font-size:.95rem}}.suggestion-chips{background:var(--bg-white);padding:16px 24px}.suggestion-label{color:var(--text-muted);margin-bottom:12px;font-size:.9rem;font-weight:500}.suggestion-chips-container{flex-wrap:wrap;gap:10px;display:flex}.suggestion-chip{border:1px solid var(--border-color);background:var(--bg-white);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-smooth);color:var(--text-secondary);padding:10px 16px;font-family:inherit;font-size:.9rem}.suggestion-chip:hover:not(:disabled){border-color:var(--persona-color,var(--accent-primary));color:var(--persona-color,var(--accent-primary));background:#00000005}.suggestion-chip:disabled{opacity:.5;cursor:not-allowed}@media (width<=768px){.suggestion-chips{padding:16px}.suggestion-chip{padding:8px 14px;font-size:.85rem}}.typing-indicator{background-color:var(--bg-hover);border-radius:20px 20px 20px 4px;gap:6px;width:fit-content;padding:16px 20px;display:flex}.typing-indicator span{background-color:var(--text-muted);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both typingSmooth}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typingSmooth{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.persona-switcher{background:var(--bg-hover);border-radius:var(--radius-full);max-width:fit-content;margin-bottom:32px;margin-left:auto;margin-right:auto;padding:6px;display:flex}.persona-button{border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-smooth);color:var(--text-secondary);background:0 0;border:none;align-items:center;gap:8px;padding:10px 24px;font-family:inherit;font-size:.95rem;font-weight:500;display:flex}.persona-button:hover{color:var(--text-primary)}.persona-button.active{background:var(--bg-white);color:var(--text-primary);box-shadow:var(--shadow-sm);font-weight:600}.persona-button.active .persona-button-name{color:var(--button-color,var(--text-primary))}.persona-button-avatar{font-size:1.2rem}.persona-button-name{display:block}@media (width<=768px){.persona-switcher{border-radius:var(--radius-lg);width:100%;max-width:none;margin-bottom:24px;padding:4px;overflow-x:auto}.persona-button{white-space:nowrap;padding:10px 16px;font-size:.9rem}}