:root{--ca-color-bg:#f8fafc;--ca-color-surface:#fff;--ca-color-surface-soft:#f1f5f9;--ca-color-border:#e2e8f0;--ca-color-border-soft:#f1f5f9;--ca-color-overlay:rgba(15,23,42,.55);--ca-color-ink:#0f172a;--ca-color-ink-soft:#334155;--ca-color-muted:#64748b;--ca-color-muted-soft:#94a3b8;--ca-color-primary:#4f46e5;--ca-color-primary-fg:#fff;--ca-color-primary-soft:#eef2ff;--ca-color-primary-line:#c7d2fe;--ca-color-running:#10b981;--ca-color-running-soft:#d1fae5;--ca-color-warn:#f59e0b;--ca-color-warn-soft:#fef3c7;--ca-color-danger:#e11d48;--ca-color-danger-soft:#ffe4e6;--ca-font-sans:"Space Grotesk",system-ui,-apple-system,sans-serif;--ca-font-mono:"JetBrains Mono",ui-monospace,monospace;--ca-text-xs:0.75rem;--ca-text-sm:0.875rem;--ca-text-base:1rem;--ca-text-lg:1.125rem;--ca-radius-sm:0.25rem;--ca-radius:0.5rem;--ca-radius-lg:0.75rem;--ca-shadow-sm:0 1px 2px rgba(15,23,42,.05);--ca-shadow:0 4px 12px rgba(15,23,42,.08);--ca-shadow-lg:0 10px 30px rgba(15,23,42,.12);--w-sessions:240px;--w-chat:360px;--w-files:280px}