.calculator-card{background:linear-gradient(135deg,#ff7a3d,#e5612a);border-radius:1rem;padding:2rem;color:#fff;box-shadow:0 20px 25px -5px #0000001a}.input-group{margin-bottom:1.5rem}.input-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#fff}.input-group input,.input-group select{width:100%;padding:.75rem;border:none;border-radius:.5rem;font-size:1rem;background:#ffffffe6;color:#1f2937}.calculate-btn{width:100%;padding:1rem;background:#fff;color:#ff7a3d;border:none;border-radius:.5rem;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s}.calculate-btn:hover{background:#f9fafb;transform:translateY(-1px)}.result-card{background:#fff;color:#1f2937;padding:2rem;border-radius:1rem;margin-top:2rem;box-shadow:0 10px 15px -3px #0000001a}.result-item{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid #f3f4f6}.result-item:last-child{border-bottom:none;font-weight:700;font-size:1.2rem;color:#ff7a3d}.result-label{font-weight:600}.result-value{font-weight:700;color:#ff7a3d}@media(max-width:768px){.calculator-card{padding:1.5rem;margin:1rem}.input-group input,.input-group select,.calculate-btn{padding:.875rem;font-size:1rem}.result-card{padding:1.5rem;margin:1rem}}