body {
    background-color: #f4f6f9;
}
.card {
    border: none;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-radius: 10px;
}
.stat-card {
    border-radius: 12px;
    color: #fff;
    padding: 1.25rem;
}
.bg-stat-1 { background: linear-gradient(135deg,#2c3e50,#4a6580); }
.bg-stat-2 { background: linear-gradient(135deg,#1e6f5c,#2fa88e); }
.bg-stat-3 { background: linear-gradient(135deg,#8e44ad,#b06fd1); }
.bg-stat-4 { background: linear-gradient(135deg,#c0392b,#e2725b); }
.bg-stat-5 { background: linear-gradient(135deg,#b8860b,#d9a441); }

table.entry-grid td, table.entry-grid th {
    text-align: center;
    vertical-align: middle;
}
table.entry-grid input[type="text"] {
    width: 70px;
    text-align: center;
}
.signature-pad-wrapper {
    border: 2px dashed #adb5bd;
    border-radius: 8px;
    background: #fff;
}
#signature-canvas {
    width: 100%;
    height: 200px;
    touch-action: none;
    cursor: crosshair;
}
.weekend-col {
    background-color: #fff3e0;
}