:root{--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-surface:#fff;--color-background:#f8fafc;--color-text:#1e293b;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-danger:#ef4444;--color-success:#22c55e;--color-warning:#f59e0b;--font-sans:system-ui, "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, Consolas, monospace;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;font-family:var(--font-sans);color:var(--color-text);background:var(--color-background);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.5}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh}#root{flex-direction:column;min-height:100vh;display:flex}