:root {
    --kb-primary: #0d5c46;
    --kb-accent: #e8a33d;
    --kb-sidebar-w: 230px;
}

body {
    background: #f4f6f8;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}

.login-body {
    background: linear-gradient(135deg, var(--kb-primary), #08332a);
}

.login-card {
    width: 100%;
    max-width: 400px;
    border-radius: 14px;
}

.topbar {
    background: var(--kb-primary);
    z-index: 1050;
    height: 56px;
}

.app-wrapper {
    margin-top: 56px;
    min-height: calc(100vh - 56px);
}

.sidebar {
    width: var(--kb-sidebar-w);
    background: #0f2e27;
    min-height: calc(100vh - 56px);
    position: sticky;
    top: 56px;
}

.sidebar .nav-link {
    color: #cfe3dd;
    padding: 0.65rem 1.25rem;
    font-size: 0.92rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-left: 3px solid var(--kb-accent);
}

.main-content {
    min-width: 0;
}

.stat-card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

@media (max-width: 991px) {
    .sidebar {
        position: fixed;
        left: -230px;
        top: 56px;
        transition: left 0.2s ease;
        z-index: 1040;
    }
    .sidebar.show {
        left: 0;
    }
}