body{background:#f4f7fb;color:#1f2937}.card{border:0;border-radius:18px}.btn-success{background:#159947;border-color:#159947}.btn-success:hover{background:#107a39}.stat-card{background:linear-gradient(135deg,#fff,#eef9f2);border-radius:18px}.table td,.table th{vertical-align:middle}.auth-box{max-width:430px;margin:7vh auto}.badge-coin{font-size:.8rem}.wallet-address{font-family:Consolas,monospace;font-size:.9rem;word-break:break-all}.sidebar-link{display:block;padding:12px 14px;border-radius:12px;color:#1f2937;text-decoration:none}.sidebar-link:hover,.sidebar-link.active{background:#e9f8ee;color:#107a39}.warning-small{font-size:.85rem;color:#8a5a00}