:root{--bg-color: #f7faf9;--card-bg: #ffffff;--text-primary: #064e3b;--text-secondary: #4b7c6b;--accent: #22c55e}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,sans-serif}body{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-color);color:var(--text-primary)}.card{background:var(--card-bg);padding:1.5rem 2rem;border-radius:16px;box-shadow:0 10px 30px #064e3b1a;text-align:center;max-width:320px;width:100%}.emoji{font-size:3rem;margin-bottom:1rem}h1{font-size:1.5rem}