:root{--bubble-user-bg: var(--tg-theme-button-color, #2481cc);--bubble-user-text: var(--tg-theme-button-text-color, #ffffff);--bubble-agent-bg: var(--tg-theme-secondary-bg-color, #f0f0f0);--bubble-agent-text: var(--tg-theme-text-color, #000000);--bg-color: var(--tg-theme-bg-color, #ffffff);--text-color: var(--tg-theme-text-color, #000000)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);margin:0;padding:0;height:100vh;display:flex;flex-direction:column;overflow:hidden}.header{padding:12px 16px;background:var(--bg-color);border-bottom:1px solid rgba(0,0,0,.1);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}.header h1{margin:0;font-size:18px;font-weight:600}#status{font-size:12px;opacity:.6}.chat-container{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scrollbar-width:none}.chat-container::-webkit-scrollbar{display:none}.message-bubble{max-width:80%;padding:8px 12px;border-radius:16px;font-size:15px;line-height:1.4;position:relative;word-wrap:break-word;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-user{align-self:flex-end;background-color:var(--bubble-user-bg);color:var(--bubble-user-text);border-bottom-right-radius:4px}.message-agent{align-self:flex-start;background-color:var(--bubble-agent-bg);color:var(--bubble-agent-text);border-bottom-left-radius:4px}.message-time{font-size:10px;opacity:.5;margin-top:4px;display:block;text-align:right}.input-area{padding:12px;background:var(--bg-color);border-top:1px solid rgba(0,0,0,.05);display:flex;gap:8px;align-items:center}#messageInput{flex:1;border:none;background:var(--tg-theme-secondary-bg-color, #f4f4f5);padding:10px 16px;border-radius:20px;color:var(--text-color);font-size:15px;outline:none}#sendBtn{background:none;border:none;color:var(--tg-theme-button-color, #2481cc);font-weight:600;font-size:15px;padding:8px;cursor:pointer}#debug-info{position:fixed;bottom:80px;left:20px;right:20px;background:#ff00001a;color:#ff3b30;padding:8px;border-radius:8px;font-size:10px;display:none;z-index:100}.hidden{display:none!important}.access-denied-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center;background-color:#fff;color:#000}.access-denied-container h1{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:24px;font-weight:500}