/* General Styles */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: #F5F7FA; /* Light Gray Background */
    color: #333; /* Dark Text */
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 60px;
    background: #FFFFFF; /* White Background */
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1); /* Subtle Shadow */
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding-top: 40px;
}
.sidebar .menu-item {
    margin-bottom: 20px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding-top: 10px;
}
.sidebar .menu-item:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); /* Glow Effect on Hover */
}
.sidebar .menu-item i {
    font-size: 24px;
    color: #4B6CB7; /* Professional Blue */
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto auto auto;
    gap: 20px;
    overflow-y: auto;
}

/* First Row - KPI Cards */
.kpi-cards {
    grid-column: span 4;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.kpi-card {
    background: #FFFFFF; /* White Background */
    border: 1px solid #E0E0E0; /* Subtle Border */
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); /* Subtle Shadow */
    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, 0.15); /* Enhanced Shadow on Hover */
}
.kpi-card i {
    font-size: 30px;
    color: #4B6CB7; /* Professional Blue */
    margin-bottom: 10px;
}
.kpi-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333; /* Dark Text */
}
.kpi-card p {
    font-size: 20px;
    font-weight: bold;
    color: #4B6CB7; /* Professional Blue */
}

/* Second Row - Real-Time Stock Trend */
.real-time-chart {
    grid-column: span 4;
    background: #FFFFFF; /* White Background */
    border: 1px solid #E0E0E0; /* Subtle Border */
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); /* Subtle Shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.real-time-chart:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15); /* Enhanced Shadow on Hover */
}
.real-time-chart h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333; /* Dark Text */
}
.real-time-chart canvas {
    max-height: 300px; /* Larger Chart Size */
}

/* Third Row - Three Cards */
.third-row-cards {
    grid-column: span 4;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.third-row-card {
    background: #FFFFFF; /* White Background */
    border: 1px solid #E0E0E0; /* Subtle Border */
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); /* Subtle Shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.third-row-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15); /* Enhanced Shadow on Hover */
}
.third-row-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333; /* Dark Text */
}
.third-row-card canvas {
    max-height: 200px; /* Medium Chart Size */
}

/* Fourth Row - Three Charts */
.fourth-row-charts {
    grid-column: span 4;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.fourth-row-chart {
    background: #FFFFFF; /* White Background */
    border: 1px solid #E0E0E0; /* Subtle Border */
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); /* Subtle Shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.fourth-row-chart:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15); /* Enhanced Shadow on Hover */
}
.fourth-row-chart h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333; /* Dark Text */
}
.fourth-row-chart canvas {
    max-height: 200px; /* Medium Chart Size */
}

/* Footer */
.footer {
    background: #FFFFFF; /* White Background */
    padding: 10px;
    text-align: center;
    color: #333; /* Dark Text */
    border-top: 1px solid #E0E0E0; /* Subtle Border */
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1); /* Subtle Shadow */
}