*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f4f4f5;color:#18181b}.container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.card{width:100%;max-width:500px;padding:40px;text-align:center;background:#fff;border-radius:16px;box-shadow:0 10px 30px #00000014}h1{margin-top:0}.counter{display:flex;justify-content:center;align-items:center;gap:20px;margin:30px 0}.counter button{width:45px;height:45px;border:0;border-radius:8px;font-size:24px;cursor:pointer}.counter span{min-width:40px;font-size:24px;font-weight:700}.status{color:#16a34a;font-weight:700}