body {
    background: #f4f6f9;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.top-header {
    background: #d2d87b;
    color: rgb(7, 7, 7);
    padding: 15px 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .1);
}

.logo {
    height: 80px;
    width: 280px;
}

.system-title {
    line-height: 1.1;
}

.system-title h4 {
    margin: 0;
    font-weight: 700;
}

.system-title small {
    color: #0a69dd;
}

.module-card {
    border: none;
    border-radius: 15px;
    transition: .3s;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .08);
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
}

.module-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.kpi-card {
    border: none;
    border-radius: 15px;
    color: white;
    padding: 20px;
}

.bg-blue { background: #2563EB; }
.bg-red { background: #DC2626; }
.bg-green { background: #16A34A; }
.bg-darkblue { background: #0F172A; }

.chart-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .08);
    height: 350px;
}