.ltcg-calculator-card{border:2px solid #3498db;border-radius:12px;padding:25px;max-width:500px;margin:20px auto;background:#f5f9ff;box-shadow:0 4px 15px rgb(0 0 0 / .1);font-family:Arial,sans-serif}.ltcg-calculator-card h3{color:#2c3e50;margin-bottom:10px;font-size:18px}.ltcg-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:15px}.ltcg-calculator-card input,.ltcg-calculator-card select{width:100%;padding:10px;border:1px solid #ccc;border-radius:6px;font-size:14px}.ltcg-calculator-card button{width:100%;padding:12px;background-color:#3498db;color:#fff;border:none;border-radius:8px;font-size:16px;cursor:pointer;transition:background-color 0.3s ease;margin-top:10px}.ltcg-calculator-card button:hover{background-color:#2980b9}.ltcg-calculator-result{margin-top:15px;padding:12px;border-radius:6px;background-color:#eaf2ff;color:#2c3e50;font-weight:700;text-align:center}