.card {
     border-radius: 12px;
     box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
 }

 .loginBtn {
     background: #1b5577;
     color: #fff;
     border-radius: 8px;
 }

 .loginBtn:hover {
     background: #154654;
 }

 .result-card {
     background: #fff;
     border-radius: 10px;
     padding: 12px;
     border: 1px solid rgba(27, 85, 119, 0.05);
     display: flex;
     align-items: center;
     justify-content: space-between;
 }

 .unit-label {
     color: #1b5577;
     font-weight: 600;
 }

 .value-num {
     font-weight: 700;
     font-size: 16px;
 }

 .copy-btn {
     background: transparent;
     border: 0;
     color: #1b5577;
 }

 .small-muted {
     color: #6c757d;
     font-size: 13px;
 }

 @media (min-width:992px) {
     #results-grid .col-md-6 {
         display: block;
     }
 }