body {
    background-color: #f8f9fa;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.login-box {
    padding: 2rem;
    background: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    width: 100%;
    max-width: 400px;
}

/* Admin Dashboard Layout */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 48px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.nav-link {
    font-weight: 500;
    color: #333;
}

.nav-link.active {
    color: #0d6efd;
}

.main-content {
    margin-left: 220px; /* Same as sidebar width */
    padding: 2rem;
}