body { background: #f4f6f9; font-family: 'Segoe UI', Arial, sans-serif; }
.app-navbar { background: linear-gradient(90deg,#1a237e,#283593); }
.sidebar-panel { background:#fff; border-right:1px solid #e3e6ea; min-height: calc(100vh - 56px); }
.sidebar-title { font-weight:700; color:#1a237e; padding: 8px 12px; text-transform:uppercase; font-size:.8rem; letter-spacing:.5px; }
.side-link { display:block; padding:10px 14px; color:#333; text-decoration:none; border-radius:6px; margin:2px 8px; }
.side-link:hover { background:#eef1fb; color:#1a237e; }
.side-link.active { background:#1a237e; color:#fff; }
.stat-card { border:none; border-radius:12px; box-shadow:0 2px 8px rgba(0,0,0,.06); }
.stat-card .stat-num { font-size:1.8rem; font-weight:700; }
.badge-signed { background:#2e7d32; }
.badge-pending { background:#c62828; }
.sign-box { width:120px; height:50px; object-fit:contain; border:1px dashed #ccc; padding:2px; background:#fff; }
table.table thead { background:#1a237e; color:#fff; }
.print-only { display:none; }
@media print {
  .no-print { display:none !important; }
  .print-only { display:block !important; }
}