html, body {
    height: 100%;
}

body {
    background-color: #f5f7fb;
}

.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    min-height: 100vh;
    transition: all .3s ease;
}

    .sidebar .nav-link {
        border-radius: 10px;
        padding: .75rem 1rem;
    }

        .sidebar .nav-link:hover {
            background: rgba(255,255,255,.08);
        }

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 1000;
}

.content-area {
    flex: 1;
}

.login-body {
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        z-index: 2000;
    }

        .sidebar.show {
            left: 0;
        }
}