:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background-color:#f5f5f5}#root{width:100%;min-height:100vh}.app{width:100%;min-height:100vh;display:flex;flex-direction:column}.message{display:flex;margin-bottom:1rem;animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{justify-content:flex-end}.message.agent{justify-content:flex-start}.message-content{max-width:70%;padding:.75rem 1rem;border-radius:12px;word-wrap:break-word}.message.user .message-content{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:4px}.message.agent .message-content{background-color:#fff;color:#333;border:1px solid #e0e0e0;border-bottom-left-radius:4px;box-shadow:0 1px 2px #0000000d}.message-text{margin-bottom:.25rem;line-height:1.5;white-space:pre-wrap}.message-timestamp{font-size:.75rem;opacity:.7;margin-top:.25rem}@media(max-width:768px){.message-content{max-width:85%}}.message-list{display:flex;flex-direction:column;gap:1rem;padding-bottom:1rem}.message-list.empty{justify-content:center;align-items:center;min-height:400px}.empty-state{text-align:center;color:#666;max-width:500px;padding:2rem}.empty-state p{margin:.5rem 0;font-size:1rem;line-height:1.6}.error-message{background-color:#fee;border:1px solid #fcc;border-radius:8px;padding:1rem;margin:1rem 0;color:#c33}.error-message p{margin:0}.message-input{display:flex;gap:.5rem;padding:1rem;background-color:#fff;border-top:1px solid #e0e0e0}.message-input-field{flex:1;padding:.75rem 1rem;border:2px solid #e0e0e0;border-radius:24px;font-size:1rem;outline:none;transition:border-color .2s}.message-input-field:focus{border-color:#667eea}.message-input-field:disabled{background-color:#f5f5f5;cursor:not-allowed}.message-send-button{padding:.75rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:24px;font-size:1rem;font-weight:500;cursor:pointer;transition:opacity .2s,transform .1s}.message-send-button:hover:not(:disabled){opacity:.9;transform:scale(1.02)}.message-send-button:active:not(:disabled){transform:scale(.98)}.message-send-button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.message-input{padding:.75rem}.message-send-button{padding:.75rem 1.5rem}}.lead-capture-form{background-color:#f8f9fa;border-top:2px solid #667eea;padding:1.5rem;margin:0 1rem 1rem;border-radius:8px;box-shadow:0 2px 8px #0000001a}.lead-capture-form.success{background-color:#d4edda;border-color:#28a745}.form-header{margin-bottom:1.5rem}.form-header h3{margin:0 0 .5rem;color:#333;font-size:1.25rem}.form-header p{margin:0;color:#666;font-size:.9rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;color:#333;font-weight:500;font-size:.9rem}.form-group input{width:100%;padding:.75rem;border:2px solid #e0e0e0;border-radius:6px;font-size:1rem;transition:border-color .2s;outline:none}.form-group input:focus{border-color:#667eea}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.form-error{background-color:#fee;border:1px solid #fcc;border-radius:6px;padding:.75rem;margin-bottom:1rem;color:#c33}.form-error p{margin:0;font-size:.9rem}.form-actions{display:flex;gap:.75rem;margin-top:1.5rem}.submit-button,.cancel-button{flex:1;padding:.75rem 1.5rem;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:opacity .2s,transform .1s}.submit-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.submit-button:hover:not(:disabled){opacity:.9;transform:scale(1.02)}.cancel-button{background-color:#e0e0e0;color:#333}.cancel-button:hover:not(:disabled){background-color:#d0d0d0}.submit-button:disabled,.cancel-button:disabled{opacity:.5;cursor:not-allowed}.success-message{text-align:center;padding:1rem;color:#155724}.success-message p{margin:.5rem 0;font-size:1rem}@media(max-width:768px){.lead-capture-form{margin:0 .5rem .5rem;padding:1rem}.form-actions{flex-direction:column}}.typing-indicator{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;margin:.5rem 0}.typing-dots{display:flex;gap:.25rem}.typing-dots span{width:8px;height:8px;border-radius:50%;background-color:#999;animation:typing 1.4s infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.7}30%{transform:translateY(-10px);opacity:1}}.typing-text{font-size:.875rem;color:#666;font-style:italic}.chat-interface{display:flex;flex-direction:column;height:100vh;max-width:1200px;margin:0 auto;background-color:#fff;box-shadow:0 0 20px #0000001a}.chat-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem 2rem;text-align:center;box-shadow:0 2px 4px #0000001a}.chat-header h1{margin:0 0 .5rem;font-size:1.75rem;font-weight:600}.chat-header p{margin:0;font-size:.95rem;opacity:.9}.chat-messages-container{flex:1;overflow-y:auto;background-color:#f5f5f5;padding:1rem}@media(max-width:768px){.chat-interface{height:100vh}.chat-header{padding:1rem}.chat-header h1{font-size:1.5rem}}