/* General Styles */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5); /* Light Gradient Background */
    color: #333; /* Dark Text */
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, #FFFFFF, #EAEAEA); /* Subtle Light Gradient */
    padding: 15px 120px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
.header h1 {
    font-size: 24px;
    color: #333; /* Dark Text */
    margin: 0;
}
.header p {
    font-size: 14px;
    color: #666; /* Medium Gray Text */
    margin: 0;
}
.header .menu-icons {
    display: flex;
    gap: 20px;
}
.header .menu-icons a {
    text-decoration: none;
    color: #333; /* Dark Text */
    font-size: 20px;
    transition: all 0.3s ease;
}
.header .menu-icons a:hover {
    color: #666; /* Coral Accent */
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
    overflow-y: auto;
}

/* KPI Cards */
.kpi-cards {
    grid-column: span 3;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}
.kpi-card {
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5); /* Subtle Light Gradient */
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}
.kpi-card i {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 20px;
    color: #666; /* Coral Accent */
}
.kpi-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333; /* Dark Text */
}
.kpi-card p {
    font-size: 20px;
    font-weight: bold;
    color: rgb(68, 10, 102); /* Coral Accent */
}

/* Charts */
.chart-container {
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5); /* Subtle Light Gradient */
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.chart-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}
canvas {
    max-height: 300px;
}

/* Slicer */
.slicer-container {
    grid-column: span 3;
    padding: 20px;
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5); /* Subtle Light Gradient */
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.slicer-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}
.slicer-container select {
    padding: 10px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5); /* Subtle Light Gradient */
    color: #333; /* Dark Text */
    transition: all 0.3s ease;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.1),
                inset -2px -2px 5px rgba(255, 255, 255, 0.8);
}
.slicer-container select:focus {
    outline: none;
    background: linear-gradient(135deg, #FFFFFF, #F5F5F5); /* Subtle Light Gradient */
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    .kpi-cards {
        grid-template-columns: 1fr;
    }
}