:root{--surface-background:#fff;--surface-panel:#f8fafc;--surface-elevated:#fff;--surface-overlay:rgba(0,0,0,.5);--content-primary:#0f172a;--content-secondary:#475569;--content-tertiary:#94a3b8;--content-disabled:#cbd5e1;--content-inverse:#fff;--border-subtle:#f1f5f9;--border-default:#e2e8f0;--border-strong:#cbd5e1;--border-focus:#3b82f6;--accent-primary:#0f172a;--accent-primary-hover:#1e293b;--accent-primary-active:#334155;--accent-subtle:#f1f5f9;--accent-subtle-hover:#e2e8f0;--semantic-success:#10b981;--semantic-warning:#f59e0b;--semantic-error:#ef4444;--semantic-info:#3b82f6;--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;--rail-width:240px;--rail-collapsed-width:48px;--inspector-width:320px;--main-max-width:720px;--header-height:48px}@media (prefers-color-scheme:dark){:root{--surface-background:#0f172a;--surface-panel:#1e293b;--surface-elevated:#334155;--surface-overlay:rgba(0,0,0,.7);--content-primary:#f8fafc;--content-secondary:#cbd5e1;--content-tertiary:#64748b;--content-disabled:#475569;--content-inverse:#0f172a;--border-subtle:#1e293b;--border-default:#334155;--border-strong:#475569;--border-focus:#60a5fa;--accent-primary:#f8fafc;--accent-primary-hover:#e2e8f0;--accent-primary-active:#cbd5e1;--accent-subtle:#334155;--accent-subtle-hover:#475569;--semantic-success:#34d399;--semantic-warning:#fbbf24;--semantic-error:#f87171;--semantic-info:#60a5fa}}[data-theme=dark]{--surface-background:#0f172a;--surface-panel:#1e293b;--surface-elevated:#334155;--surface-overlay:rgba(0,0,0,.7);--content-primary:#f8fafc;--content-secondary:#cbd5e1;--content-tertiary:#64748b;--content-disabled:#475569;--content-inverse:#0f172a;--border-subtle:#1e293b;--border-default:#334155;--border-strong:#475569;--border-focus:#60a5fa;--accent-primary:#f8fafc;--accent-primary-hover:#e2e8f0;--accent-primary-active:#cbd5e1;--accent-subtle:#334155;--accent-subtle-hover:#475569;--semantic-success:#34d399;--semantic-warning:#fbbf24;--semantic-error:#f87171;--semantic-info:#60a5fa}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:var(--font-sans);background:var(--surface-background);color:var(--content-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{overflow:hidden}a{color:inherit}button,input,select,textarea{font:inherit}:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--content-tertiary)}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}