.st-wrap{display:flex;justify-content:center;margin:40px;font-family:Arial}
.st-card{background:#fff;padding:30px;border-radius:22px;box-shadow:0 15px 40px rgba(0,0,0,0.08);width:450px;text-align:center}
.st-card h1{margin-bottom:20px}
.st-field{margin-bottom:15px;text-align:left}
.st-field input{width:100%;padding:12px;border-radius:12px;border:1px solid #ddd}
.st-result-main{background:linear-gradient(135deg,#0f172a,#2563eb);color:#fff;padding:20px;border-radius:18px;margin-top:15px;font-size:20px}
.st-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}
.st-grid div{background:#f4f6f8;padding:10px;border-radius:12px}
.st-next{margin-top:15px;font-size:14px;color:#555}