.roles-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 16px;
        margin: 24px 0;
    }

    .role-card {
        background: var(--color-card-background);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: 20px;
        border-top: 4px solid var(--color-text-muted);
    }

    .role-card.role-landlord {
        border-top-color: var(--color-success);
    }

    .role-card.role-landlord-agent {
        border-top-color: var(--color-primary);
    }

    .role-card.role-tenant {
        border-top-color: var(--color-warning);
    }

    .role-card.role-tenant-agent {
        border-top-color: var(--color-warning);
    }

    .role-card.role-maintenance {
        border-top-color: var(--color-text-muted);
    }

    .role-card h3 {
        font-size: var(--font-size-base, 16px);
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-secondary);
        margin: 0 0 4px 0;
    }

    .role-code {
        display: inline-block;
        font-family: monospace;
        font-size: var(--font-size-xxs, 11px);
        background: var(--color-background);
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: 4px;
        color: var(--color-text-secondary);
        margin-bottom: var(--spacing-sm);
    }

    .role-card p {
        font-size: var(--font-size-sm, 14px);
        color: var(--color-text-muted);
        margin: 0 0 12px 0;
        line-height: 1.5;
    }

    .role-permissions {
        margin: 0;
        padding: 0;
        list-style: none;
        font-size: var(--font-size-xs, 12px);
    }

    .role-permissions li {
        margin: 4px 0;
        padding-left: 20px;
        position: relative;
    }

    .role-permissions li.yes::before {
        content: "✓";
        position: absolute;
        left: 0;
        color: var(--color-success);
        font-weight: var(--font-weight-bold, 700);
    }

    .role-permissions li.no::before {
        content: "✗";
        position: absolute;
        left: 0;
        color: var(--color-error);
    }

    .feature-list {
        padding-left: 20px;
        line-height: 1.8;
    }

    .feature-list li {
        margin: var(--spacing-sm) 0;
    }

    .code-block {
        background: var(--color-background);
        border: 1px solid var(--color-border-light);
        border-radius: var(--border-radius-sm);
        padding: 16px;
        font-family: monospace;
        font-size: var(--font-size-xs, 12px);
        overflow-x: auto;
        white-space: pre;
        margin: 16px 0;
    }

    @media (max-width: 575px) {
        .roles-grid {
            grid-template-columns: 1fr;
        }

        .data-groups-grid {
            grid-template-columns: 1fr;
        }
    }

    /* Data Groups Grid */
    .data-groups-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 12px;
        margin: 16px 0;
    }

    .data-group-card {
        background: var(--color-card-background);
        border: 1px solid var(--color-border);
        border-radius: 10px;
        padding: 16px;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .data-group-card .group-icon {
        font-size: var(--font-size-3xl, 24px);
    }

    .data-group-card strong {
        font-family: monospace;
        font-size: var(--font-size-xs, 12px);
        color: var(--color-primary);
    }

    .data-group-card p {
        font-size: var(--font-size-xs, 12px);
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.4;
    }

    /* Data Table */
    .data-table {
        width: 100%;
        border-collapse: collapse;
        margin: 16px 0;
        font-size: var(--font-size-sm, 14px);
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
        text-align: left;
        border-bottom: 1px solid var(--color-border);
    }

    .data-table th {
        background: var(--color-background);
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-secondary);
    }

    .data-table td code {
        background: var(--color-background);
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: 4px;
        font-size: var(--font-size-xs, 12px);
    }