.dashboard-card{background:linear-gradient(145deg,#12182b,#0d1324);border-radius:14px;padding:20px;box-shadow:0 10px 25px #00000080}.dashboard-card h3{color:#aaa;margin-bottom:10px;font-size:14px}.card-value{color:#00ff9f;font-size:28px;font-weight:700}.card-chart{margin-top:10px}