:root {
            --bs-font-sans-serif: 'Inter', system-ui, -apple-system, sans-serif;
            --bs-primary: #4f46e5; 
            --bs-primary-rgb: 79, 70, 229;
            --bs-body-bg: #f8fafc;
            --bs-body-color: #0f172a;
        }
        
        body {
            font-family: var(--bs-font-sans-serif);
            background-color: var(--bs-body-bg);
            color: var(--bs-body-color);
            -webkit-font-smoothing: antialiased;
        }

        
        .card {
            border: 1px solid #e2e8f0;
            border-radius: 1rem; 
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
            background-color: #ffffff;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        
        .btn {
            border-radius: 0.5rem;
            font-weight: 600;
            letter-spacing: -0.01em;
            padding: 0.6rem 1.2rem;
        }
        
        .btn-primary {
            background-color: var(--bs-primary);
            border-color: var(--bs-primary);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
        }
        
        .btn-primary:hover {
            background-color: #4338ca;
            border-color: #4338ca;
        }

        
        .form-control {
            border-radius: 0.5rem;
            border: 1px solid #cbd5e1;
            background-color: #f8fafc;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
        }
        
        .form-control:focus {
            border-color: var(--bs-primary);
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
            background-color: #ffffff;
        }

.navbar {
    background-color: #ffffff !important; 
    border-bottom: 1px solid #e2e8f0;
    padding: 0.75rem 0;
    
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
}

.navbar-brand {
    font-size: 1.4rem;
    color: var(--bs-primary) !important; 
    font-weight: 800 !important;
}

.nav-link {
    color: #1e293b !important;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--bs-primary) !important;
}


.navbar.sticky-top {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.bg-dark {
    background-color: #0f172a !important;
}
        
h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
}
        
.portfolio-table-container {
    max-height: 550px; 
    overflow-y: auto;
    border-radius: 0.5rem;
    border: 1px solid #e2e8f0;
}

.portfolio-table-container thead th {
    position: sticky;
    top: 0;
    background-color: #f8fafc; 
    z-index: 10;
    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.1); 
    border-bottom: none; 
}

.portfolio-table-container table {
    border-collapse: separate;
    border-spacing: 0;
}

.stat-card {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.stat-card.active-filter {
    background-color: #f1f5f9 !important; 
    outline: 2px solid var(--bs-primary);
    outline-offset: -2px;
}

.strict-transparent-icon {
    width: 55px; 
    height: 55px;
    object-fit: contain;
    display: block;
  }
  
  .dropdown-menu .dropdown-item:hover {
    background-color: rgba(79, 70, 229, 0.1);
    color: #4f46e5;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.text-gradient {
        background: linear-gradient(90deg, #4f46e5, #0ea5e9);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }