:root {
    --primary-color: #3498db;
    --secondary-color: #f1c40f;
    --background-color: #f9f9f9;
    --surface-color: #ffffff;
    --text-color: #333333;
    --light-gray-color: #e9ecef;
    --border-radius: 0.5rem;
}

body {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    background-color: var(--background-color);
    color: var(--text-color);
}

.wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}

#sidebar {
    min-width: 250px;
    max-width: 250px;
    background: var(--surface-color);
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#sidebar.active {
    margin-left: -250px;
}

#sidebar .sidebar-header {
    padding: 20px;
    background: var(--surface-color);
    border-bottom: 1px solid var(--light-gray-color);
    text-align: center;
}

#sidebar .sidebar-header h3 {
    color: var(--primary-color);
    font-weight: 700;
}

#sidebar ul.components {
    padding: 20px 0;
}

#sidebar ul p {
    color: var(--text-color);
    padding: 10px;
}

#sidebar ul li a {
    padding: 10px 20px;
    font-size: 1.1em;
    display: block;
    color: var(--text-color);
    transition: all 0.2s;
}

#sidebar ul li a:hover {
    color: var(--primary-color);
    background: var(--background-color);
    text-decoration: none;
}

#sidebar ul li.active > a, a[aria-expanded="true"] {
    color: var(--primary-color);
    background: var(--background-color);
    font-weight: 600;
}

#content {
    width: 100%;
    padding: 20px;
    min-height: 100vh;
    transition: all 0.3s;
}

.navbar {
    background-color: var(--surface-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
}

.card {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.card-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--light-gray-color);
    font-weight: 600;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    opacity: 0.9;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.badge-critical {
    background-color: #e74c3c;
    color: white;
}
.badge-high {
    background-color: #e67e22;
    color: white;
}
.badge-medium {
    background-color: var(--secondary-color);
    color: var(--text-color);
}
.badge-low {
    background-color: #2ecc71;
    color: white;
}

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

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    opacity: 0.7;
}