/* General Body Styles */
body {
    background-color: #f8f9fa;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background-color: #fff;
    border-right: 1px solid #dee2e6;
    z-index: 1000;
    transition: all 0.3s;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid #dee2e6;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0d6efd;
}

.sidebar .nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: #495057;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.sidebar .nav-link .bi {
    margin-right: 1rem;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: #e9ecef;
    color: #0d6efd;
}

/* Main Content Styles */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    transition: all 0.3s;
}

/* Header Styles */
.header {
    margin-bottom: 2rem;
}

.header h1 {
    font-weight: 700;
}

/* Dashboard Stat Cards */
.stat-card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.stat-card .card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.3;
}

.stat-card .stat-number {
    font-size: 2.25rem;
    font-weight: 700;
}

.stat-card .card-title {
    font-weight: 500;
    color: #6c757d;
}

/* Responsive Styles */
@media (max-width: 991.98px) {
    .sidebar {
        left: -280px;
    }
    .main-content {
        margin-left: 0;
    }
    .sidebar.active {
        left: 0;
    }
}

/* Custom Stat Card Colors for Readability (Variation 2) */
.stat-card.text-bg-primary,
.stat-card.text-bg-success,
.stat-card.text-bg-danger,
.stat-card.text-bg-warning {
    background-color: #f8f9fa !important; /* A very light grey, almost white */
    border: 1px solid #e9ecef;
}

.stat-card.text-bg-primary .stat-number,
.stat-card.text-bg-primary .stat-icon {
    color: #0d6efd !important;
}

.stat-card.text-bg-success .stat-number,
.stat-card.text-bg-success .stat-icon {
    color: #198754 !important;
}

.stat-card.text-bg-danger .stat-number,
.stat-card.text-bg-danger .stat-icon {
    color: #dc3545 !important;
}

.stat-card.text-bg-warning .stat-number,
.stat-card.text-bg-warning .stat-icon {
    color: #ffc107 !important;
}

/* Titles and icons should have a consistent, readable color */
.stat-card .card-title {
    color: #6c757d !important; /* A neutral, secondary text color */
}

.stat-card .stat-icon {
    opacity: 0.5; /* Soften the icon color slightly */
}