:root,[data-theme=dark]{--bg:#0a0a0f;--fg:#e5e7eb;--muted:#9ca3af;--brand:#22c55e;--brand-hover:#16a34a;--brand-dim:rgba(34,197,94,.1);--border:#1f2937;--card-bg:#111318;--input-bg:#0d0e13;--header-bg:rgba(10,10,15,.85);--danger:#ef4444;--warning:#f59e0b;--info:#3b82f6;--radius:10px;--radius-sm:6px;--radius-lg:16px;--shadow:0 1px 3px rgba(0,0,0,.4);--shadow-lg:0 8px 32px rgba(0,0,0,.5);--font-mono:"SF Mono","Fira Code","Cascadia Code",monospace}[data-theme=light]{--bg:#fafafa;--fg:#1f2937;--muted:#6b7280;--brand:#16a34a;--brand-hover:#15803d;--brand-dim:rgba(22,163,74,.08);--border:#e5e7eb;--card-bg:#fff;--input-bg:#f9fafb;--header-bg:hsla(0,0%,98%,.85);--shadow:0 1px 3px rgba(0,0,0,.08);--shadow-lg:0 8px 32px rgba(0,0,0,.1)}*,:after,:before{box-sizing:border-box}body,html{padding:0;margin:0;height:100%;background:var(--bg);color:var(--fg)}body{display:flex;flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe 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