@import "https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap";:root,[data-theme=dark]{--bg-primary:#1a1a2e;--bg-secondary:#16213e;--bg-tertiary:#0f3460;--bg-chat:#111827;--bg-input:#1f2937;--bg-hover:#253553;--bg-bubble-self:#e94560;--bg-bubble-other:#2d3748;--text-primary:#e2e8f0;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#e94560;--accent-hover:#d63851;--accent-light:#e9456026;--border:#2d3748;--online:#22c55e;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px #0000004d;--modal-bg:#0009}[data-theme=light]{--bg-primary:#f5f5f5;--bg-secondary:#fff;--bg-tertiary:#e8ecf1;--bg-chat:#f5f5f5;--bg-input:#edf0f4;--bg-hover:#e4e8ee;--bg-bubble-self:#ccebff;--bg-bubble-other:#fff;--text-primary:#1a1a2e;--text-secondary:#4a5568;--text-muted:#718096;--accent:#1a8cff;--accent-hover:#0070e0;--accent-light:#1a8cff1a;--border:#d8dee6;--online:#22c55e;--shadow:0 4px 24px #00000014;--modal-bg:#00000059;--bubble-shadow:0 1px 3px #00000014}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{overscroll-behavior:none;width:100%;height:100%;overflow:hidden}html{width:100%;position:fixed;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,sans-serif;transition:background .3s,color .3s}input,textarea,select,button{outline:none;font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.fade-enter-active,.fade-leave-active{transition:opacity .2s}.fade-enter-from,.fade-leave-to{opacity:0}