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var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin-df7ae85a .8s linear infinite}@keyframes spin-df7ae85a{to{transform:rotate(360deg)}}.qr-card-status[data-v-df7ae85a]{font-size:12px;color:var(--text-secondary);min-height:18px}.qr-card-status.success[data-v-df7ae85a]{color:var(--success);font-weight:600}.qr-card-status.error[data-v-df7ae85a]{color:var(--error)}@media(max-width:768px){.sidebar[data-v-df7ae85a]{position:fixed;left:0;top:0;bottom:0;z-index:50;box-shadow:var(--shadow-lg)}.sidebar.collapsed[data-v-df7ae85a]{margin-left:-320px}.chat-messages[data-v-df7ae85a]{padding:16px}.chat-input-container[data-v-df7ae85a]{padding:0 12px 12px}.message[data-v-df7ae85a]{padding:12px 0}.kb-modal[data-v-df7ae85a]{width:96%;max-width:none}.kb-modal-layout[data-v-df7ae85a]{flex-direction:column;max-height:70vh}.kb-modal-left[data-v-df7ae85a]{width:100%;border-right:none;border-bottom:1px solid var(--border-light);max-height:180px}.auth-card[data-v-df7ae85a]{padding:28px 20px}}:root{--bg-primary: #f5f6f8;--bg-secondary: #ffffff;--bg-sidebar: #f0f1f5;--bg-chat: #ffffff;--bg-input: #f0f1f5;--bg-hover: #e8e9ed;--bg-code: #f8f9fa;--bg-user-msg: #e3f0ff;--bg-assistant-msg: #ffffff;--bg-tool-call: #fef9e7;--bg-tool-result: #f0fdf4;--text-primary: #1a1a2e;--text-secondary: #5a5a7a;--text-muted: #9090a8;--text-code: #2d2d4a;--border-color: #e2e3e8;--border-light: #edf0f5;--accent: #4a6cf7;--accent-hover: #3b5de7;--accent-light: #eef1ff;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--error-bg: #fef2f2;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.06);--shadow-lg: 0 8px 30px rgba(0,0,0,.08);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", "SF Mono", Consolas, 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