:root{--color-primary:#1e3a8a;--color-secondary:#14b8a6;--color-accent:#f97316;--bg:#f3f4f6;--surface:#fff;--text:#374151;--text-h:#111827;--border:#e5e7eb;--success-bg:#eaf3de;--success-text:#14b8a6;--error-bg:#fcebeb;--error-text:#a32d2d;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:"Inter", system-ui, -apple-system, sans-serif;--heading:"Poppins", system-ui, sans-serif;--mono:ui-monospace, Consolas, monospace;font:16px/145% var(--sans);letter-spacing:.18px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--bg:#111827;--surface:#1f2937;--text:#d1d5db;--text-h:#f9fafb;--border:#374151;--success-bg:#064e3b;--success-text:#34d399;--error-bg:#7f1d1d;--error-text:#fca5a5}}body{background:var(--bg);margin:0}#root{box-sizing:border-box;flex-direction:column;width:100%;max-width:100%;min-height:100vh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{margin:20px 0;font-size:36px}h2{margin-bottom:8px;font-size:20px}p{margin:0}.btn-primary{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 16px}.btn-primary:hover{opacity:.9}.btn-secondary{border:1px solid var(--color-secondary);color:var(--color-secondary);cursor:pointer;background:0 0;border-radius:8px;padding:8px 16px}