body{background:#f4f7fb}.card{border:0;border-radius:18px;box-shadow:0 8px 25px rgba(0,0,0,.06)}.brand{letter-spacing:.4px}.big-action{min-height:72px;font-size:1.15rem;border-radius:16px}.status-box{border-radius:16px;padding:18px}.gps-ok{background:#eaf8ef;color:#176b37}.gps-bad{background:#fff0f0;color:#a52222}.metric{font-size:2rem;font-weight:800}.sidebar-link{display:block;padding:10px 12px;border-radius:10px;text-decoration:none;color:#334155}.sidebar-link:hover{background:#e9efff}.table-responsive{border-radius:14px}.login-card{max-width:460px;margin:6vh auto}.muted{color:#64748b}