:root{--primary-color:#667eea;--bg-color:#0f0f23;--chat-bg:#1a1a2e;--user-msg-bg:#667eea;--user-msg-text:#fff;--bot-msg-bg:#252542;--bot-msg-text:#e2e8f0;--border-color:#2d2d52;--text-primary:#fff;--text-secondary:#a0aec0}body{background-color:var(--bg-color);color:var(--text-primary);justify-content:center;min-height:100vh;margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;display:flex;overflow-y:auto}.app-container{background-color:var(--chat-bg);flex-direction:column;width:100%;max-width:800px;height:100vh;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 6px -1px #0000001a}.chat-header{border-bottom:1px solid var(--border-color);background-color:var(--chat-bg);z-index:10;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.header-title{align-items:center;gap:.75rem;display:flex}.header-title h1{color:var(--text-primary);margin:0;font-size:1.25rem;font-weight:600}.icon{color:var(--primary-color)}.mode-selector{background:#ffffff1a;border-radius:.5rem;gap:.5rem;padding:.25rem;display:flex}.mode-btn{cursor:pointer;color:#64748b;background:0 0;border:none;border-radius:.25rem;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;transition:all .2s;display:flex}.mode-btn:hover{color:#1e293b}.mode-btn.active{color:var(--primary-color);background:#fff;box-shadow:0 1px 2px #0000000d}.logout-btn{cursor:pointer;color:#cbd5e1;background:0 0;border:none;border-radius:.25rem;justify-content:center;align-items:center;margin-left:.5rem;padding:.5rem;transition:all .2s;display:flex}.logout-btn:hover{color:#ef4444;background:#fee2e2}.messages-container{flex-direction:column;flex:1;gap:1.5rem;padding:1.5rem;display:flex;overflow-y:auto}.message{gap:1rem;max-width:85%;display:flex}.message.user{flex-direction:row-reverse;margin-left:auto}.avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:2.5rem;height:2.5rem;display:flex}.message.assistant .avatar{color:var(--primary-color);background-color:#667eea33}.message.user .avatar{color:var(--text-secondary);background-color:#ffffff1a}.message-content{white-space:pre-wrap;border-radius:.75rem;padding:.75rem 1rem;font-size:.95rem;line-height:1.5}.message.assistant .message-content{background:var(--bot-msg-bg);color:var(--bot-msg-text);border-top-left-radius:0}.message.user .message-content{background:var(--user-msg-bg);color:var(--user-msg-text);border-top-right-radius:0}.loading{gap:.25rem;display:flex;padding:1rem!important}.dot{background-color:#94a3b8;border-radius:50%;width:.5rem;height:.5rem;animation:1.4s ease-in-out infinite both bounce}.dot:first-child{animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.input-area{background:var(--chat-bg);border-top:1px solid var(--border-color);gap:1rem;padding:1.5rem;display:flex}input{border:1px solid var(--border-color);color:var(--text-primary);background:#ffffff0d;border-radius:3rem;outline:none;flex:1;padding:.875rem 1.25rem;font-size:1rem;transition:border-color .2s}input::placeholder{color:var(--text-secondary)}input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #667eea33}button[type=submit]{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:3rem;height:3rem;transition:background .2s;display:flex}button[type=submit]:hover:not(:disabled){background:#1d4ed8}button:disabled{opacity:.7;cursor:not-allowed}@media (max-width:768px){body{font-size:14px}.app-container{width:100%;max-width:100%;overflow-x:hidden}.chat-header{flex-wrap:nowrap;min-height:50px;padding:.5rem .75rem}.header-title h1{white-space:nowrap;font-size:1rem}.header-title .icon{width:20px;height:20px}.mode-selector{flex-shrink:0;gap:.25rem;padding:.15rem;display:flex}.mode-indicator{white-space:nowrap;padding:.2rem .4rem;font-size:.65rem}.mode-indicator svg{width:14px;height:14px}.logout-btn{flex-shrink:0;margin-left:.15rem;padding:.2rem}.logout-btn svg{width:16px;height:16px}.messages-container{padding:.75rem;overflow-x:hidden}.message{word-wrap:break-word;overflow-wrap:break-word;max-width:95%}.message-content{word-wrap:break-word;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;padding:.5rem .75rem;font-size:.875rem}.avatar{flex-shrink:0;width:2rem;height:2rem}.input-area{padding:.75rem}.input-area input{padding:.625rem 1rem;font-size:.9rem}.input-area button[type=submit]{width:2.5rem;height:2.5rem}.markdown-content{word-wrap:break-word;overflow-wrap:break-word}.markdown-content h1{font-size:1.1rem}.markdown-content h2{font-size:1rem}.markdown-content h3{font-size:.9rem}.markdown-content ul,.markdown-content ol{padding-left:1.25rem}.markdown-content li{font-size:.875rem}.markdown-content pre{padding:.5rem;font-size:.75rem;overflow-x:auto}.markdown-content code{word-break:break-word;font-size:.8em}}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4{margin:.25rem 0;font-weight:600;line-height:1.3}.markdown-content h1{font-size:1.4rem}.markdown-content h2{font-size:1.2rem}.markdown-content h3{font-size:1.1rem}.markdown-content p{margin:.15rem 0;line-height:1.5}.markdown-content ul,.markdown-content ol{margin:.15rem 0;padding-left:1.5rem;list-style-position:outside}.markdown-content li{margin:.1rem 0;padding-left:.15rem;line-height:1.5;display:list-item}.markdown-content li>p{margin:0;display:inline}.markdown-content li ul,.markdown-content li ol{margin-top:.25rem;margin-bottom:.25rem}.markdown-content strong{color:#c7d2fe;font-weight:700}.markdown-content em{font-style:italic}.markdown-content code{background:#f1f5f9;border-radius:.25rem;padding:.125rem .375rem;font-family:monospace;font-size:.9em}.markdown-content pre{color:#e2e8f0;background:#1e293b;border-radius:.5rem;margin:.5rem 0;padding:1rem;overflow-x:auto}.markdown-content pre code{color:inherit;background:0 0;padding:0}.markdown-content blockquote{color:#64748b;border-left:3px solid #2563eb;margin:.5rem 0;padding-left:1rem;font-style:italic}.markdown-content a{color:#2563eb;text-decoration:underline}.markdown-content hr{border:none;border-top:1px solid var(--border-color);margin:.5rem 0}.mode-indicator{border-radius:1rem;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;display:flex}.mode-indicator.sales{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.mode-indicator.support{color:#fff;background:linear-gradient(135deg,#48bb78 0%,#38a169 100%)}.intent-selector{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f0f23 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.intent-header{text-align:center;margin-bottom:3rem}.intent-icon{color:#667eea;margin-bottom:1rem}.intent-header h1{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 .5rem;font-size:2.5rem;font-weight:700}.intent-header p{color:#a0aec0;margin:0;font-size:1.2rem}.intent-options{flex-wrap:wrap;justify-content:center;gap:2rem;max-width:800px;display:flex}.intent-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;background:#ffffff0d;border:2px solid #667eea4d;border-radius:1rem;flex-direction:column;align-items:center;gap:1rem;min-width:280px;padding:2rem 3rem;transition:all .3s;display:flex}.intent-btn:hover{background:#667eea1a;border-color:#667eea;transform:translateY(-5px);box-shadow:0 10px 30px #667eea33}.intent-btn.support{color:#48bb78}.intent-btn.support:hover{background:#48bb781a;border-color:#48bb78;box-shadow:0 10px 30px #48bb7833}.intent-btn.sales{color:#667eea}.intent-title{color:#fff;font-size:1.3rem;font-weight:600}.intent-desc{color:#a0aec0;text-align:center;max-width:200px;font-size:.9rem}.intent-footer{color:#718096;margin-top:2rem;font-size:.9rem}@media (max-width:640px){.intent-options{flex-direction:column}.intent-btn{min-width:100%}.intent-header h1{font-size:2rem}}.auth-container{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f0f23 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #667eea33;border-radius:16px;width:100%;max-width:420px;padding:40px;box-shadow:0 10px 40px #0000004d}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{color:#fff;margin:0 0 8px;font-size:24px;font-weight:700}.auth-header p{color:#a0aec0;margin:0;font-size:14px}.auth-form{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:#e2e8f0;font-size:14px;font-weight:600}.form-group input{color:#fff;background:#ffffff0d;border:1px solid #667eea4d;border-radius:8px;padding:12px 16px;font-size:14px;transition:all .2s}.form-group input::placeholder{color:#718096}.form-group input:focus{border-color:#667eea;outline:none;box-shadow:0 0 0 3px #667eea1a}.helper-text{color:#a0aec0;margin:0;font-size:12px}.auth-form .submit-button{color:#fff;cursor:pointer;text-align:center;white-space:nowrap;text-overflow:clip;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:8px;width:100%;height:auto;padding:12px 16px;font-size:16px;font-weight:600;transition:all .2s;display:block;overflow:visible}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #667eea4d}.submit-button:disabled{opacity:.5;cursor:not-allowed}.submit-button.secondary{background:#ffffff1a;border:1px solid #667eea4d}.submit-button.secondary:hover:not(:disabled){background:#ffffff26}.link-button{color:#667eea;cursor:pointer;background:0 0;border:none;padding:8px;font-size:14px;text-decoration:underline;transition:color .2s}.link-button:hover:not(:disabled){color:#764ba2}.link-button:disabled{opacity:.5;cursor:not-allowed}.error-message{color:#fca5a5;background:#ef44441a;border:1px solid #ef44444d;border-radius:8px;padding:12px;font-size:14px}.success-message{text-align:center;background:#48bb781a;border:1px solid #48bb784d;border-radius:12px;padding:20px}.success-message h3{color:#68d391;margin:0 0 12px;font-size:20px}.success-message p{color:#e2e8f0;margin:8px 0;font-size:14px;line-height:1.5}.info-message{background:#667eea1a;border:1px solid #667eea4d;border-radius:8px;margin-bottom:16px;padding:12px}.info-message p{color:#e2e8f0;margin:0;font-size:14px}.debug-otp{color:#fbbf24;background:#fbbf241a;border:1px solid #fbbf244d;border-radius:8px;margin:8px 0;padding:12px;font-family:monospace}.back-button{color:#a0aec0;cursor:pointer;background:0 0;border:1px solid #667eea4d;border-radius:8px;align-items:center;gap:8px;margin-bottom:20px;padding:8px 16px;font-size:14px;transition:all .2s;display:flex}.back-button:hover{color:#667eea;background:#ffffff0d;border-color:#667eea}.mode-badge{color:#a5b4fc;background:#667eea1a;border:1px solid #667eea4d;border-radius:20px;align-items:center;gap:8px;margin-bottom:16px;padding:8px 16px;font-size:12px;font-weight:600;display:inline-flex}.mode-icon{width:24px;height:24px}.mode-icon.support{color:#48bb78}.mode-icon.sales{color:#667eea}