body {
    font-family: Arial;
    margin: 0;
    background: #f4f6f9;
}

.header {
    background: #2c3e50;
    color: white;
    padding: 15px;
    text-align: center;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
}

input,
select {
    margin-bottom: 10px;
    padding: 5px;
}

/* Cards */
.dashboard {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.card {
    flex: 1;
    padding: 15px;
    border-radius: 10px;
    color: white;
    text-align: center;
    font-weight: bold;
}

.card:nth-child(1) {
    background: #3498db;
}

.card:nth-child(2) {
    background: #2ecc71;
}

.card:nth-child(3) {
    background: #e67e22;
}

/* Charts */
.charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

canvas {
    background: white;
    border-radius: 10px;
    padding: 10px;
    max-height: 250px;
    /* smaller charts */
}

#pieChart {
    grid-column: span 2;
    max-height: 220px;
}

/* Table */
.table-container {
    margin-top: 15px;
    max-height: 250px;
    overflow-y: auto;
    background: white;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: #2c3e50;
    color: white;
}

th,
td {
    padding: 6px;
    border: 1px solid #ddd;
}