.calculator-container{margin:auto;max-width:900px}.form-card,.result-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.1),0 4px 6px rgba(0,0,0,.05);padding:30px}.result-card{margin-top:20px}.form-card h2{font-size:1.4em;margin-bottom:20px}.form-grid{display:grid;gap:20px 40px;grid-template-columns:1fr 1fr;margin:auto;max-width:850px}.form-field{display:flex;flex-direction:column}label{font-weight:700;margin-bottom:5px}input,select{border:1px solid #ccc;border-radius:4px;font-size:1em;padding:10px;width:100%}.submit-btn{background-color:#ef4444;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:1em;margin-top:20px;padding:10px 20px}.result-content{align-items:center;display:flex;flex-wrap:wrap;justify-content:space-between}.result-text{font-size:1.2em}.savings{align-items:baseline;display:flex;font-size:2em;font-weight:700;margin-top:20px}.savings-suffix{color:#333;font-size:.5em;font-weight:400;margin-left:4px}.result-btn{background-color:#ef4444;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:1em;padding:10px 20px}