body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background-color: #f4f6f9;
    color: #1f2d3d;
}

.app-container {
    width: 100%;
    min-height: 100vh;
    background-color: #f4f6f9;
}

.header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: linear-gradient(90deg, #3B92C1, #1565c0);
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header img {
    height: 52px;
    width: auto;
}

.header-text h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
}

.header-text p {
    margin: 4px 0 0 0;
    font-size: 13px;
    opacity: 0.95;
}

.controls-panel {
    background: white;
    margin: 18px 24px 12px 24px;
    padding: 18px;
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 14px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 14px;
    margin: 16px 24px;
}

.kpi-card {
    background: white;
    border-radius: 16px;
    padding: 18px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.kpi-card h3 {
    margin: 0 0 6px 0;
    font-size: 14px;
    color: #5f6b7a;
    font-weight: 600;
}

.kpi-card .value {
    font-size: 28px;
    font-weight: 700;
    color: #0b3d91;
}

.main-graph {
    background: white;
    margin: 16px 24px 24px 24px;
    padding: 14px;
    border-radius: 18px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.Select-control, .Select-menu-outer {
    font-size: 13px;
}