*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:#f0f2f5}.App{max-width:900px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column}header{background:linear-gradient(135deg,#1a2a6c,#2d4373);color:#fff;padding:24px 30px;border-radius:12px;margin-bottom:20px;box-shadow:0 4px 12px #00000026}header h1{font-size:28px;font-weight:600;margin-bottom:4px}header p{font-size:14px;opacity:.85;font-weight:300}main{flex:1;display:flex;flex-direction:column;gap:16px}.chat-interface{background:#fff;border-radius:12px;padding:20px;min-height:400px;max-height:60vh;overflow-y:auto;box-shadow:0 2px 8px #00000014;display:flex;flex-direction:column}.messages{flex:1;display:flex;flex-direction:column;gap:8px}.message{max-width:80%;padding:12px 16px;border-radius:12px;line-height:1.5;word-wrap:break-word;animation:fadeIn .3s ease}.message.user{align-self:flex-end;background:#1a73e8;color:#fff;border-bottom-right-radius:4px}.message.bot{align-self:flex-start;background:#f1f3f4;color:#202124;border-bottom-left-radius:4px}.message.bot .action-confirm{margin-top:12px;display:flex;gap:8px}.message.bot .action-confirm button{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:all .2s}.message.bot .action-confirm .confirm-btn{background:#1a73e8;color:#fff}.message.bot .action-confirm .confirm-btn:hover{background:#1557b0}.message.bot .action-confirm .cancel-btn{background:#e8eaed;color:#3c4043}.message.bot .action-confirm .cancel-btn:hover{background:#d2d5d9}.voice-input{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;background:#fff;border-radius:12px;box-shadow:0 2px 8px #00000014}.voice-input button{padding:14px 32px;font-size:16px;font-weight:500;border:none;border-radius:8px;background:#34a853;color:#fff;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px}.voice-input button:hover{transform:scale(1.02);box-shadow:0 4px 12px #34a8534d}.voice-input button.recording{background:#ea4335;animation:pulse 1.5s infinite}.voice-input button:disabled{opacity:.6;cursor:not-allowed;transform:none}.voice-input .transcript{color:#5f6368;font-size:14px;min-height:24px;padding:4px 12px;background:#f8f9fa;border-radius:6px;width:100%;max-width:400px;text-align:center}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.chat-interface::-webkit-scrollbar{width:6px}.chat-interface::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.chat-interface::-webkit-scrollbar-thumb{background:#c1c7cd;border-radius:3px}.chat-interface::-webkit-scrollbar-thumb:hover{background:#a8b0b8}@media(max-width:600px){.App{padding:12px}header h1{font-size:20px}.message{max-width:90%}.voice-input button{padding:12px 24px;font-size:14px}}