:root{--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--bg-hover:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--border-color:#e2e8f0;--border-focus:#6366f1;--accent-color:#6366f1;--accent-bg:rgba(99,102,241,.1);--accent-hover:#4f46e5;--color-success:#10b981;--color-success-bg:rgba(16,185,129,.1);--color-warning:#f59e0b;--color-warning-bg:rgba(245,158,11,.1);--color-error:#ef4444;--color-error-bg:rgba(239,68,68,.1);--color-neutral:#94a3b8;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--sidebar-width:260px;--header-height:64px;--header-height-mobile:56px;--touch-target-min:44px;--touch-target-comfortable:48px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains 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