:root{--primary-color: #2563eb;--bg-color: #f8fafc;--card-bg: #ffffff;--text-color: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased}button{cursor:pointer}.container{max-width:600px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;align-items:center;justify-content:center}