body{background:#f5f7fb;font-family:Arial,sans-serif}.navbar-brand{font-weight:700}.card{border:0;box-shadow:0 2px 12px rgba(0,0,0,.06)}.sidebar{min-height:calc(100vh - 56px);background:#fff;border-right:1px solid #eee}.sidebar a{display:block;padding:10px 14px;color:#333;text-decoration:none;border-radius:8px}.sidebar a:hover{background:#f0f3f8}.stat{font-size:28px;font-weight:700}.table td,.table th{vertical-align:middle}