body {
    background-color: #f5f6fa;
}
.app-navbar {
    background-color: #2c2a4a;
}
.sidebar {
    background-color: #ffffff;
    min-height: calc(100vh - 56px);
    border-right: 1px solid #e5e5e5;
}
.sidebar .nav-link {
    color: #333;
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 4px;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: #eceafc;
    color: #2c2a4a;
}
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.stat-card {
    border-radius: 12px;
    padding: 20px;
    color: #fff;
}
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c2a4a, #6a5acd);
}
.login-card {
    max-width: 400px;
    width: 100%;
}