*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #2563eb;--color-primary-light: #dbeafe;--color-primary-dark: #1d4ed8;--color-success: #22c55e;--color-warning: #f59e0b;--color-danger: #ef4444;--color-info: #60a5fa;--color-bg: #f1f5f9;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted:#64748b;--nav-height: 52px;--sidebar-width: 260px;--rail-width: 56px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--font-sans: "DM Sans", "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}