@import"https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap";*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,sans-serif}:root{--primary-color: #6366f1;--primary-hover: #5855eb;--secondary-color: #10b981;--secondary-hover: #059669;--text-color: #1f2937;--text-light: #6b7280;--background-color: #f8fafc;--surface-color: #ffffff;--border-color: #e5e7eb;--border-radius: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--bot-bubble: #f3f4f6;--user-bubble: #6366f1;--user-bubble-text: #ffffff}body{background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.container{background-color:var(--background-color);width:100%;min-height:100vh;display:flex;flex-direction:column}.center-all{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:2rem}.center-align{text-align:center}.card{background-color:var(--surface-color);padding:2.5rem;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);border:1px solid var(--border-color);max-width:400px;width:100%;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.margin-s{margin:1.5rem 0}.login-with-google-btn{transition:all .3s ease;padding:12px 24px 12px 48px;border:1px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);color:var(--text-color);font-size:14px;font-weight:500;background-image:url(data:image/svg+xml;base64,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);background-color:var(--surface-color);background-repeat:no-repeat;background-position:16px center;cursor:pointer;width:100%}.login-with-google-btn:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;background-color:var(--surface-color);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:10}.header h1{color:var(--primary-color);font-weight:700;font-size:1.5rem;margin:0}.btn{border-radius:var(--border-radius);outline:none;border:none;padding:.75rem 1.5rem;cursor:pointer;font-weight:500;transition:all .3s ease;font-size:14px}.logout-btn{background-color:var(--secondary-color);color:#fff}.logout-btn:hover{background-color:var(--secondary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.chat-container{max-width:800px;margin:0 auto;width:100%;height:calc(100vh - 80px);display:flex;flex-direction:column;overflow:hidden}.messages-container{flex:1;overflow-y:auto;padding:1.5rem;background-color:var(--background-color);background-image:radial-gradient(circle at 25% 25%,rgba(99,102,241,.05) 0%,transparent 50%),radial-gradient(circle at 75% 75%,rgba(139,92,246,.05) 0%,transparent 50%);min-height:0}.messages-container::-webkit-scrollbar{width:6px}.messages-container::-webkit-scrollbar-track{background:var(--background-color)}.messages-container::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.messages-container::-webkit-scrollbar-thumb:hover{background:var(--text-light)}.message{display:flex;flex-direction:column;margin-bottom:1rem;animation:fadeInUp .3s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message>div{border-radius:18px;padding:12px 16px;max-width:70%;word-wrap:break-word;line-height:1.5;box-shadow:var(--shadow-sm)}.bot{align-self:flex-start;background-color:var(--bot-bubble);color:var(--text-color);border-bottom-left-radius:4px}.user{align-self:flex-end;background-color:var(--user-bubble);color:var(--user-bubble-text);border-bottom-right-radius:4px}.input-container{background-color:var(--surface-color);border-top:1px solid var(--border-color);padding:1.5rem;box-shadow:0 -4px 6px -1px #0000001a}.input-container>form{display:flex;gap:.75rem;align-items:center;max-width:100%}.msg-input-field{flex:1;padding:.75rem 1rem;border-radius:var(--border-radius);outline:none;border:1px solid var(--border-color);font-size:14px;transition:all .3s ease;background-color:var(--background-color)}.msg-input-field:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.msg-input-field:disabled{opacity:.6;cursor:not-allowed}.send-btn{background-color:var(--primary-color);color:#fff;padding:.75rem 1.5rem;border-radius:var(--border-radius);transition:all .3s ease;white-space:nowrap;min-width:80px;display:flex;align-items:center;justify-content:center}.send-btn:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.send-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.login-box h1{color:var(--text-color);font-size:2rem;font-weight:700;margin-bottom:.5rem}.login-box p{color:var(--text-light);margin-bottom:2rem;font-size:1rem;line-height:1.6}.welcome-message{text-align:center;padding:3rem 1rem;color:var(--text-light)}.welcome-icon{width:60px;height:60px;border-radius:50%;background:var(--border-color);margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;font-size:1.5rem}@media (max-width: 768px){.card{margin:1rem;padding:2rem}.header,.messages-container,.input-container{padding:1rem}.message>div{max-width:85%}.header h1{font-size:1.25rem}}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.typing-indicator{display:flex;align-items:center;gap:.5rem;padding:8px 12px;background-color:var(--bot-bubble);border-radius:18px 18px 18px 4px;max-width:120px;margin-bottom:1rem}.typing-dots{display:flex;gap:4px}.typing-dot{width:8px;height:8px;border-radius:50%;background-color:var(--text-light);animation:typing 1.4s infinite ease-in-out}.typing-dot:nth-child(1){animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(.8);opacity:.5}40%{transform:scale(1);opacity:1}}