*,:before,:after{box-sizing:border-box}html,body{height:100%;margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Ubuntu,sans-serif}a{color:inherit;text-decoration:none}button{font-family:inherit}
:root{--color-critical:#d32f2f;--color-warning:#f9a825;--color-info:#0288d1;--color-bg:#fff;--color-text:#1e1e1e;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--radius-sm:4px;--radius-md:8px;--color-border:#e0e0e0;--color-muted:#6b7280;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas}
.app-shell{background-color:var(--color-bg);width:100%;height:100%;color:var(--color-text);display:flex;position:fixed;inset:0;overflow:hidden}.main-content{padding:var(--spacing-lg);flex-direction:column;flex:1;min-width:0;height:100%;display:flex;overflow:hidden}.page{max-width:1400px;margin:0 auto}