:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.chat-page{display:flex;flex-direction:column;height:100vh;max-width:1200px;margin:0 auto;background:#f5f5f5}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 2px 10px #0000001a}.chat-header h1{margin:0;font-size:1.5rem;font-weight:600}.clear-btn{padding:.5rem 1rem;background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:8px;color:#fff;cursor:pointer;transition:all .3s ease;font-size:.9rem}.clear-btn:hover{background:#ffffff4d;transform:translateY(-1px)}.chat-messages{flex:1;overflow-y:auto;padding:2rem;display:flex;flex-direction:column;gap:1rem}.welcome-message{text-align:center;padding:3rem 2rem;color:#666}.welcome-message h2{color:#667eea;margin-bottom:1rem}.welcome-message ul{list-style:none;padding:0;margin-top:1.5rem}.welcome-message li{padding:.5rem;font-size:1.1rem}.welcome-message .tip{margin-top:2rem;padding:1rem;background:#fff3cd;border-radius:8px;color:#856404;font-size:.95rem}.message{display:flex;gap:1rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{flex-direction:row-reverse}.message-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;background:#fff;box-shadow:0 2px 8px #0000001a}.message-content{max-width:70%;display:flex;flex-direction:column;gap:.5rem}.message.user .message-content{align-items:flex-end}.message-image{max-width:300px;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #0000001a}.message-image img{width:100%;height:auto;display:block}.message-text{padding:1rem 1.5rem;border-radius:16px;line-height:1.6;word-wrap:break-word;box-shadow:0 2px 8px #00000014;white-space:pre-wrap}.message.user .message-text{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-text{background:#fff;color:#333;border-bottom-left-radius:4px}.message-time{font-size:.75rem;color:#999;padding:0 .5rem}.message-text.loading{display:flex;gap:.5rem;padding:1rem 2rem}.message-text.loading span{width:8px;height:8px;border-radius:50%;background:#667eea;animation:bounce 1.4s infinite ease-in-out both}.message-text.loading span:nth-child(1){animation-delay:-.32s}.message-text.loading span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.consultation-type{display:flex;align-items:center;gap:1rem;padding:.75rem 2rem;background:#fff;border-top:1px solid #e0e0e0}.consultation-type label{font-size:.9rem;color:#666;font-weight:500}.consultation-type select{padding:.5rem 1rem;border:2px solid #e0e0e0;border-radius:8px;font-size:.9rem;outline:none;cursor:pointer;transition:all .3s ease;background:#fff}.consultation-type select:focus{border-color:#667eea}.consultation-type select:disabled{background:#f5f5f5;cursor:not-allowed}.image-preview-container{padding:1rem 2rem;background:#fff;border-top:1px solid #e0e0e0}.image-preview{position:relative;display:inline-block;max-width:200px;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px #0000001a}.image-preview img{width:100%;height:auto;display:block}.remove-image-btn{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:#0009;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .3s ease}.remove-image-btn:hover{background:#000c;transform:scale(1.1)}.chat-input-form{display:flex;gap:.75rem;padding:1.5rem 2rem;background:#fff;border-top:1px solid #e0e0e0;box-shadow:0 -2px 10px #0000000d}.upload-btn{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;font-size:1.5rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;flex-shrink:0}.upload-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 12px #667eea66}.upload-btn:disabled{opacity:.5;cursor:not-allowed}.chat-input{flex:1;padding:1rem 1.5rem;border:2px solid #e0e0e0;border-radius:24px;font-size:1rem;outline:none;transition:all .3s ease}.chat-input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.chat-input:disabled{background:#f5f5f5;cursor:not-allowed}.send-btn{padding:1rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:24px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;min-width:100px}.send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.chat-messages::-webkit-scrollbar{width:8px}.chat-messages::-webkit-scrollbar-track{background:#f1f1f1}.chat-messages::-webkit-scrollbar-thumb{background:#888;border-radius:4px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#555}@media(max-width:768px){.chat-header{padding:1rem}.chat-header h1{font-size:1.2rem}.chat-messages{padding:1rem}.message-content{max-width:85%}.message-image{max-width:200px}.consultation-type{padding:.75rem 1rem;flex-wrap:wrap}.image-preview-container{padding:1rem}.chat-input-form{padding:1rem;gap:.5rem}.upload-btn{width:44px;height:44px;font-size:1.3rem}.send-btn{min-width:80px;padding:1rem}}#root{width:100%;height:100vh;margin:0;padding:0}