*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: var(--tg-theme-bg-color, #ffffff);--text: var(--tg-theme-text-color, #1a1a2e);--hint: var(--tg-theme-hint-color, #999999);--link: var(--tg-theme-link-color, #2481cc);--btn: var(--tg-theme-button-color, #2481cc);--btn-text: var(--tg-theme-button-text-color, #ffffff);--secondary-bg: var(--tg-theme-secondary-bg-color, #f0f0f0);--bubble-user: var(--btn);--bubble-user-text: var(--btn-text);--bubble-assistant: var(--secondary-bg);--bubble-assistant-text: var(--text);--sidebar-width: 280px;--topbar-height: 48px;--radius: 14px}html,body,#root{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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span:nth-child(3){animation-delay:.3s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.chat-input{display:flex;align-items:flex-end;gap:6px;padding:8px 12px;border-top:1px solid var(--secondary-bg);background:var(--bg);flex-shrink:0}.chat-input-text{flex:1;resize:none;border:1px solid var(--secondary-bg);border-radius:20px;padding:10px 14px;font-size:.95rem;font-family:inherit;background:var(--secondary-bg);color:var(--text);outline:none;min-height:40px;max-height:120px}.chat-input-text:focus{border-color:var(--btn)}.chat-input-btn{flex-shrink:0;width:40px;height:40px;border:none;border-radius:50%;background:none;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--hint);transition:color 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