:root{--text:#e5e7eb;--text-h:#f9fafb;--text-light:#9ca3af;--bg:#111827;--border:#374151;--card-bg:#1f2937;--primary:#60a5fa;--success:#4ade80;--error:#f87171;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--heading:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, Menlo, monospace;font:16px/160% var(--sans);letter-spacing:.16px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{width:100%;max-width:100vw;margin:0;padding:0;overflow-x:hidden}#root{box-sizing:border-box;background:var(--bg);flex-direction:column;width:100%;max-width:100vw;min-height:100vh;margin:0 auto;display:flex;position:relative;overflow-x:hidden}h1{font-family:var(--heading);color:var(--text-h);letter-spacing:-.03em;text-align:center;margin:1.5rem 0 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