:root{--color-bg: #f5f5f7;--color-bg-secondary: #ffffff;--color-sidebar: rgba(246, 246, 248, .72);--color-glass: rgba(255, 255, 255, .72);--color-glass-border: rgba(0, 0, 0, .06);--color-text: #1d1d1f;--color-text-secondary: #86868b;--color-text-tertiary: #aeaeb2;--color-accent: #007aff;--color-accent-hover: #0066d6;--color-green: #34c759;--color-orange: #ff9500;--color-red: #ff3b30;--color-purple: #af52de;--color-yellow: #ffcc00;--sidebar-width: 240px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06), 0 1px 4px rgba(0, 0, 0, .04);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .08), 0 2px 8px rgba(0, 0, 0, .04);--font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", "Menlo", "Monaco", monospace}@media(prefers-color-scheme:dark){:root{--color-bg: #1c1c1e;--color-bg-secondary: 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var(--color-glass-border);margin-top:8px}.sidebar-user-name{font-size:12px;font-weight:500;margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-logout{width:100%;padding:6px 10px;border:1px solid var(--color-glass-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-text-secondary);font-family:var(--font-system);font-size:12px;cursor:pointer}.sidebar-logout:hover{color:var(--color-red);border-color:#ff3b304d}