@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";body{font-family:Arial,Helvetica,sans-serif;background:#fafafa;padding:18px;margin-top:0;margin-bottom:0}:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--bg-color: #f3f4f6;--chat-bg: #ffffff;--user-msg-bg: #4f46e5;--user-msg-text: #ffffff;--bot-msg-bg: #f3f4f6;--bot-msg-text: #1f2937;--input-border: #e5e7eb;--input-focus: #6366f1}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);margin:0;padding:0;display:flex;justify-content:center;align-items:center;min-height:100vh;min-height:100dvh}.app-container{width:100%;max-width:900px;height:90vh;min-height:600px;background:var(--chat-bg);border-radius:20px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;display:flex;flex-direction:column;overflow:hidden;position:relative}.text{padding:20px 24px;margin:0;font-size:1.25rem;font-weight:600;color:#111827;border-bottom:1px solid #f3f4f6;background:#fff;z-index:10;display:flex;align-items:center;justify-content:space-between}.messages{flex:1;padding:24px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth;background-color:#fff}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background-color:#e5e7eb;border-radius:20px}.chat-message-user,.chat-message-robot{display:flex;align-items:flex-end;gap:12px;max-width:80%;animation:fadeIn .3s ease-in-out}.chat-message-user{align-self:flex-end;flex-direction:row-reverse}.chat-message-robot{align-self:flex-start}.chat-message-profile{width:36px;height:36px;border-radius:50%;object-fit:cover;box-shadow:0 2px 4px #0000001a;flex-shrink:0}.chat-message-text{padding:12px 18px;border-radius:18px;font-size:.95rem;line-height:1.5;box-shadow:0 1px 2px #0000000d;position:relative}.chat-message-user .chat-message-text{background-color:var(--user-msg-bg);color:var(--user-msg-text);border-bottom-right-radius:4px}.chat-message-robot .chat-message-text{background-color:var(--bot-msg-bg);color:var(--bot-msg-text);border-bottom-left-radius:4px}.chat-input-container{padding:20px 24px;background:#fff;border-top:1px solid #f3f4f6;display:flex;gap:12px;align-items:center}.chat-input{flex:1;padding:14px 20px;border:1px solid var(--input-border);border-radius:50px;font-size:1rem;transition:all .2s;background:#f9fafb}.chat-input:focus{outline:none;border-color:var(--input-focus);background:#fff;box-shadow:0 0 0 3px #6366f11a}.send{background-color:var(--primary-color);color:#fff;border:none;border-radius:50px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s,transform .1s;box-shadow:0 4px 6px -1px #4f46e533}.send:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.send:active{transform:translateY(1px)}.send:disabled{background-color:#9ca3af;cursor:not-allowed;transform:none}.chat-message-text pre{background:#1e293b;color:#e2e8f0;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0;font-size:.85rem}.chat-message-text code{background:#0000001a;padding:2px 4px;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.9em}.chat-message-user .chat-message-text code{background:#fff3;color:inherit}.chat-message-text p{margin:0 0 8px}.chat-message-text p:last-child{margin-bottom:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){body{padding:0;align-items:flex-end}.app-container{height:100dvh;max-height:100dvh;border-radius:0;min-height:auto}.text{padding:16px 20px}.messages{padding:16px 16px 10px}.chat-message-user,.chat-message-robot{max-width:90%}.chat-input-container{padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom))}.chat-input{padding:12px 16px;font-size:16px}.send{width:44px;height:44px}}