body {
    background-color: #f5f7fa !important;
    font-family: "Inter", sans-serif;
}

.content-box {
    background: white;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
    margin-bottom: 30px;
}

h2 {
    font-weight: 700;
    color: #2c3e50;
}

h4, h5 {
    font-weight: 600;
    color: #34495e;
}

.navbar {
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Metric cards */
.metric-card {
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 16px;
    text-align: center;
}

.metric-card-icon {
    font-size: 32px;
    color: #3498db;
    margin-bottom: 8px;
}

/* Data table styling */
.dash-table-container .dash-spreadsheet-container {
    border-radius: 10px;
}

tr:nth-child(even) {
    background-color: #f9fbfd !important;
}

tr:hover {
    background-color: #eef4ff !important;
}