towerops/lib/towerops_web/live/dashboard_live.html.heex

<Layouts.authenticated
  flash={@flash}
  current_scope={@current_scope}
  active_page="dashboard"
>
  <%!-- ═══════════════════════════════════════════════
       NOC HEADER — dense, zero chrome
       ═══════════════════════════════════════════════ --%>
  <div class="flex items-center justify-between">
    <div class="flex items-center gap-3">
      <h1 class="text-lg font-bold text-gray-900 dark:text-white">
        {@current_scope.organization.name}
      </h1>
      <span class="text-xs text-gray-400 dark:text-gray-500 font-mono">NOC</span>
    </div>
    <%= if assigns[:last_updated] do %>
      <div class="flex items-center gap-2 text-xs text-gray-400 dark:text-gray-500 font-mono">
        <span title="Last refresh">
          {ToweropsWeb.TimeHelpers.format_time_ago(@last_updated)}
        </span>
        <button
          type="button"
          phx-click="refresh_dashboard"
          class="p-1 rounded hover:bg-gray-100 dark:hover:bg-white/10 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 transition"
          title="Refresh (R)"
        >
          <.icon name="hero-arrow-path" class="h-3.5 w-3.5" />
        </button>
      </div>
    <% end %>
  </div>

  <%= if !assigns[:summary] do %>
    <.skeleton_dashboard />
  <% end %>

  <%!-- Empty State --%>
  <%= if assigns[:summary] && @device_count == 0 do %>
    <div class="mt-12 rounded-xl border-2 border-dashed border-gray-300 bg-gray-50/50 p-16 text-center dark:border-white/20 dark:bg-gray-800/30">
      <.icon name="hero-light-bulb" class="mx-auto h-14 w-14 text-blue-500 dark:text-blue-400" />
      <h3 class="mt-6 text-xl font-semibold text-gray-900 dark:text-white">
        {t("Let's get started!")}
      </h3>
      <p class="mt-2 text-sm text-gray-500 dark:text-gray-400 max-w-md mx-auto">
        {t("Set up your network monitoring in a few steps.")}
      </p>
      <div class="mt-10 max-w-lg mx-auto">
        <div class="space-y-5 text-left">
          <%= if @current_scope.organization.use_sites do %>
            <div class="flex gap-4 items-start">
              <div class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-blue-100 text-blue-600 font-semibold text-sm dark:bg-blue-900 dark:text-blue-300">
                1
              </div>
              <div>
                <h4 class="font-medium text-gray-900 dark:text-white">{t("Create a Site")}</h4>
                <p class="mt-0.5 text-sm text-gray-500 dark:text-gray-400">
                  {t("Sites represent your physical locations")}
                </p>
              </div>
            </div>
            <div class="flex gap-4 items-start">
              <div class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-gray-100 text-gray-500 font-semibold text-sm dark:bg-gray-700 dark:text-gray-400">
                2
              </div>
              <div>
                <h4 class="font-medium text-gray-900 dark:text-white">{t("Add Devices")}</h4>
                <p class="mt-0.5 text-sm text-gray-500 dark:text-gray-400">
                  {t("Add routers, switches, and servers to your sites")}
                </p>
              </div>
            </div>
          <% else %>
            <div class="flex gap-4 items-start">
              <div class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-blue-100 text-blue-600 font-semibold text-sm dark:bg-blue-900 dark:text-blue-300">
                1
              </div>
              <div>
                <h4 class="font-medium text-gray-900 dark:text-white">{t("Add Devices")}</h4>
                <p class="mt-0.5 text-sm text-gray-500 dark:text-gray-400">
                  {t("Add network devices to monitor")}
                </p>
              </div>
            </div>
          <% end %>
          <div class="flex gap-4 items-start">
            <div class="flex-shrink-0 flex items-center justify-center w-8 h-8 rounded-full bg-gray-100 text-gray-500 font-semibold text-sm dark:bg-gray-700 dark:text-gray-400">
              {if @current_scope.organization.use_sites, do: "3", else: "2"}
            </div>
            <div>
              <h4 class="font-medium text-gray-900 dark:text-white">
                {t("Monitor & Receive Alerts")}
              </h4>
              <p class="mt-0.5 text-sm text-gray-500 dark:text-gray-400">
                {t("TowerOps automatically monitors your devices and alerts you of issues")}
              </p>
            </div>
          </div>
        </div>
      </div>
      <div class="mt-10">
        <%= if @current_scope.organization.use_sites do %>
          <.button navigate={~p"/sites/new"} variant="primary">
            <.icon name="hero-plus" class="h-5 w-5" /> Create Your First Site
          </.button>
        <% else %>
          <.button navigate={~p"/devices/new"} variant="primary">
            <.icon name="hero-plus" class="h-5 w-5" /> Add Your First Device
          </.button>
        <% end %>
      </div>
    </div>
  <% end %>

  <%= if assigns[:summary] && @device_count > 0 do %>
    <%!-- ═══════════════════════════════════════════════
         CONDENSED STATUS BAR — single dense line
         ═══════════════════════════════════════════════ --%>
    <div class="mt-4 grid grid-cols-2 gap-0.5 rounded-md border border-gray-200 bg-gray-50 px-1 py-1 dark:border-white/10 dark:bg-gray-800/80 font-mono text-xs sm:flex sm:flex-wrap sm:items-center sm:gap-1">
      <%!-- Health --%>
      <div class={[
        "flex items-center gap-1.5 rounded px-2.5 py-1.5",
        cond do
          @summary.health_score > 80 -> "bg-green-100/80 dark:bg-green-900/30"
          @summary.health_score > 50 -> "bg-yellow-100/80 dark:bg-yellow-900/30"
          true -> "bg-red-100/80 dark:bg-red-900/30"
        end
      ]}>
        <span class="text-gray-500 dark:text-gray-400 text-[10px] uppercase font-sans font-medium">
          Health
        </span>
        <span class={[
          "font-bold text-sm",
          health_score_color(@summary.health_score)
        ]}>
          {@summary.health_score}
        </span>
        <span class={[
          "text-[10px]",
          health_score_color(@summary.health_score)
        ]}>
          {cond do
            @summary.health_score > 80 -> "▲"
            @summary.health_score > 50 -> "▬"
            true -> "▼"
          end}
        </span>
      </div>

      <span class="hidden text-gray-300 dark:text-gray-600 sm:inline">│</span>

      <%!-- Uptime --%>
      <div class="flex items-center gap-1.5 px-2.5 py-1.5">
        <span class="text-gray-500 dark:text-gray-400 text-[10px] uppercase font-sans font-medium">
          Up
        </span>
        <span class={["font-bold text-sm", uptime_color(@uptime_percentage)]}>
          {if @uptime_percentage == 100.0,
            do: "100",
            else: :erlang.float_to_binary(@uptime_percentage, decimals: 1)}%
        </span>
        <span class="text-gray-400 dark:text-gray-500">
          {@device_up}/{@device_count}
        </span>
        <%= if @device_down > 0 do %>
          <span class="text-red-500 font-bold">{@device_down}↓</span>
        <% end %>
      </div>

      <span class="hidden text-gray-300 dark:text-gray-600 sm:inline">│</span>

      <%!-- Alerts --%>
      <.link
        navigate={~p"/alerts"}
        class="flex items-center gap-1.5 px-2.5 py-1.5 rounded hover:bg-gray-200/50 dark:hover:bg-white/5 transition"
      >
        <span class="text-gray-500 dark:text-gray-400 text-[10px] uppercase font-sans font-medium">
          Alerts
        </span>
        <%= if @total_alert_count > 0 do %>
          <span class="font-bold text-sm text-red-600 dark:text-red-400">
            {@total_alert_count}
          </span>
          <span class="text-red-500">
            {String.duplicate("●", min(@total_alert_count, 5))}
          </span>
        <% else %>
          <span class="font-bold text-sm text-green-600 dark:text-green-400">0</span>
          <span class="text-green-500">✓</span>
        <% end %>
      </.link>

      <%= if @current_scope.organization.use_sites && @sites_count > 0 do %>
        <span class="hidden text-gray-300 dark:text-gray-600 sm:inline">│</span>
        <.link
          navigate={~p"/sites"}
          class="flex items-center gap-1.5 px-2.5 py-1.5 rounded hover:bg-gray-200/50 dark:hover:bg-white/5 transition"
        >
          <span class="text-gray-500 dark:text-gray-400 text-[10px] uppercase font-sans font-medium">
            Sites
          </span>
          <span class="font-bold text-sm text-gray-900 dark:text-white">{@sites_count}</span>
        </.link>
      <% end %>

      <%= if @has_subscribers do %>
        <span class="hidden text-gray-300 dark:text-gray-600 sm:inline">│</span>
        <div class="flex items-center gap-1.5 px-2.5 py-1.5">
          <span class="text-gray-500 dark:text-gray-400 text-[10px] uppercase font-sans font-medium">
            Subs
          </span>
          <span class="font-bold text-sm text-gray-900 dark:text-white">
            {format_number(@summary.subscribers.total)}
          </span>
          <span class="text-gray-400 dark:text-gray-500">
            {format_mrr(@summary.subscribers.total_mrr)}/mo
          </span>
        </div>

        <%= if mrr_at_risk_positive?(@impact_summary.mrr_at_risk) do %>
          <span class="hidden text-gray-300 dark:text-gray-600 sm:inline">│</span>
          <div class="flex items-center gap-1.5 px-2.5 py-1.5 bg-red-100/80 dark:bg-red-900/30 rounded">
            <span class="text-red-500 dark:text-red-400 text-[10px] uppercase font-sans font-medium">
              At Risk
            </span>
            <span class="font-bold text-sm text-red-600 dark:text-red-400">
              {format_mrr(@impact_summary.mrr_at_risk)}
            </span>
            <%= if @impact_summary.subscribers_affected > 0 do %>
              <span class="text-red-500 dark:text-red-400">
                {format_number(@impact_summary.subscribers_affected)} subs
              </span>
            <% end %>
          </div>
        <% end %>
      <% end %>

      <%!-- Insights count --%>
      <span class="hidden text-gray-300 dark:text-gray-600 sm:inline">│</span>
      <.link
        navigate={~p"/insights"}
        class="flex items-center gap-1.5 px-2.5 py-1.5 rounded hover:bg-gray-200/50 dark:hover:bg-white/5 transition"
      >
        <span class="text-gray-500 dark:text-gray-400 text-[10px] uppercase font-sans font-medium">
          Insights
        </span>
        <span class="font-bold text-sm text-gray-900 dark:text-white">
          {@summary.insights.critical + @summary.insights.warning + @summary.insights.info}
        </span>
        <span :if={@summary.insights.critical > 0} class="text-red-500 text-[10px]">
          {@summary.insights.critical}c
        </span>
        <span :if={@summary.insights.warning > 0} class="text-yellow-500 text-[10px]">
          {@summary.insights.warning}w
        </span>
      </.link>
    </div>

    <%!-- ═══════════════════════════════════════════════
         ACTIVE ISSUES — merged incidents + alerts
         ═══════════════════════════════════════════════ --%>
    <%= if @active_incidents != [] || @active_alerts != [] do %>
      <div class="mt-5">
        <div class="flex items-center gap-2 mb-2">
          <h2 class="text-xs font-semibold uppercase tracking-wider text-red-600 dark:text-red-400">
            {t("Active Issues")}
          </h2>
          <span class="font-mono text-xs text-red-500 dark:text-red-400">
            {length(@active_incidents) + @total_alert_count}
          </span>
        </div>

        <%!-- Incidents (highest priority) --%>
        <%= if @active_incidents != [] do %>
          <div class="overflow-hidden rounded-md border border-red-200 dark:border-red-800/50 mb-2">
            <table class="min-w-full">
              <tbody class="divide-y divide-red-100 dark:divide-red-900/30">
                <tr
                  :for={incident <- Enum.take(@active_incidents, 10)}
                  class={[
                    "group",
                    incident_severity_classes(incident.mrr_at_risk)
                  ]}
                >
                  <td class="w-1 p-0">
                    <%!-- severity bar --%>
                    <div class={[
                      "w-1 h-full min-h-[2.5rem]",
                      cond do
                        decimal_to_float(incident.mrr_at_risk) >= 1000 -> "bg-red-500"
                        decimal_to_float(incident.mrr_at_risk) >= 100 -> "bg-orange-500"
                        decimal_to_float(incident.mrr_at_risk) > 0 -> "bg-yellow-500"
                        true -> "bg-gray-400"
                      end
                    ]} />
                  </td>
                  <td class="px-3 py-1.5">
                    <div class="flex items-center gap-2">
                      <.icon
                        name="hero-exclamation-triangle"
                        class="h-3.5 w-3.5 text-red-500 flex-shrink-0"
                      />
                      <.link
                        navigate={~p"/devices/#{incident.device_id}"}
                        class="text-sm font-semibold text-gray-900 hover:text-blue-600 dark:text-white dark:hover:text-blue-400"
                      >
                        {incident.device_name}
                      </.link>
                      <span
                        :if={incident.site_name}
                        class="text-[10px] text-gray-400 dark:text-gray-500"
                      >
                        @ {incident.site_name}
                      </span>
                    </div>
                  </td>
                  <td class="px-3 py-1.5 text-right whitespace-nowrap">
                    <div class="flex items-center justify-end gap-3 font-mono text-xs">
                      <span class="text-red-600 dark:text-red-400 font-semibold" title="Duration">
                        {format_duration(incident.duration_seconds)}
                      </span>
                      <%= if incident.subscribers_affected > 0 do %>
                        <span
                          class="text-amber-600 dark:text-amber-400"
                          title="Subscribers affected"
                        >
                          {format_number(incident.subscribers_affected)}s
                        </span>
                      <% end %>
                      <%= if mrr_at_risk_positive?(incident.mrr_at_risk) do %>
                        <span class="text-amber-600 dark:text-amber-400" title="MRR at risk">
                          {format_mrr(incident.mrr_at_risk)}
                        </span>
                      <% end %>
                    </div>
                  </td>
                </tr>
              </tbody>
            </table>
          </div>
        <% end %>

        <%!-- Alerts table --%>
        <%= if @active_alerts != [] do %>
          <div class="overflow-hidden rounded-md border border-gray-200 dark:border-white/10">
            <table class="min-w-full">
              <thead class="bg-gray-50/80 dark:bg-gray-800/80">
                <tr>
                  <th class="w-1 p-0"></th>
                  <th class="px-3 py-1.5 text-left text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                    {t("Device")}
                  </th>
                  <th class="px-3 py-1.5 text-left text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                    {t("Alert")}
                  </th>
                  <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                    {t("Impact")}
                  </th>
                  <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                    {t("When")}
                  </th>
                  <th class="px-3 py-1.5 w-12"></th>
                </tr>
              </thead>
              <tbody class="divide-y divide-gray-100 dark:divide-white/5 bg-white dark:bg-gray-800/50">
                <tr
                  :for={alert <- @active_alerts}
                  id={"alert-#{alert.id}"}
                  class="hover:bg-gray-50 dark:hover:bg-white/5 group"
                >
                  <td class="w-1 p-0">
                    <div class={[
                      "w-1 h-full min-h-[2.25rem]",
                      cond do
                        alert.gaiia_impact && alert.gaiia_impact["total_subscribers"] &&
                            alert.gaiia_impact["total_subscribers"] > 10 ->
                          "bg-red-500"

                        alert.gaiia_impact && alert.gaiia_impact["total_subscribers"] &&
                            alert.gaiia_impact["total_subscribers"] > 0 ->
                          "bg-orange-500"

                        true ->
                          "bg-yellow-500"
                      end
                    ]} />
                  </td>
                  <td class="px-3 py-1.5">
                    <div class="flex items-center gap-1.5">
                      <.link
                        navigate={~p"/devices/#{alert.device.id}"}
                        class="text-sm font-medium text-gray-900 hover:text-blue-600 dark:text-white dark:hover:text-blue-400"
                      >
                        {alert.device.name}
                      </.link>
                      <span
                        :if={alert.device.ip_address}
                        class="font-mono text-[11px] text-gray-400 dark:text-gray-500"
                      >
                        {alert.device.ip_address}
                      </span>
                    </div>
                    <span
                      :if={alert.device.site}
                      class="text-[10px] text-gray-400 dark:text-gray-500"
                    >
                      {alert.device.site.name}
                    </span>
                  </td>
                  <td class="px-3 py-1.5 text-xs text-gray-600 dark:text-gray-400 max-w-xs truncate">
                    {alert.message}
                  </td>
                  <td class="px-3 py-1.5 text-right whitespace-nowrap">
                    <%= if alert.gaiia_impact && alert.gaiia_impact["total_subscribers"] && alert.gaiia_impact["total_subscribers"] > 0 do %>
                      <span class="font-mono text-xs text-amber-600 dark:text-amber-400">
                        {alert.gaiia_impact["total_subscribers"]}s
                      </span>
                    <% end %>
                  </td>
                  <td class="px-3 py-1.5 text-right whitespace-nowrap">
                    <.timestamp
                      datetime={alert.triggered_at}
                      timezone={@timezone}
                      class="font-mono text-[11px] text-gray-400 dark:text-gray-500"
                    />
                  </td>
                  <td class="px-3 py-1.5 text-right">
                    <%= if is_nil(alert.acknowledged_at) && is_nil(alert.resolved_at) do %>
                      <button
                        type="button"
                        phx-click="acknowledge_alert"
                        phx-value-id={alert.id}
                        class="rounded px-1.5 py-0.5 text-[10px] font-medium text-gray-500 ring-1 ring-inset ring-gray-300 hover:bg-gray-100 hover:text-gray-700 dark:text-gray-400 dark:ring-gray-600 dark:hover:bg-gray-700 dark:hover:text-gray-200 opacity-0 group-hover:opacity-100 transition"
                      >
                        ACK
                      </button>
                    <% else %>
                      <span class="text-[10px] text-blue-500 dark:text-blue-400 font-mono">
                        ACK
                      </span>
                    <% end %>
                  </td>
                </tr>
              </tbody>
            </table>
            <%= if @total_alert_count > 20 do %>
              <div class="border-t border-gray-100 dark:border-white/5 px-3 py-1.5 bg-gray-50/50 dark:bg-gray-800/30">
                <.link
                  navigate={~p"/alerts"}
                  class="text-[10px] font-medium text-blue-600 dark:text-blue-400 hover:underline"
                >
                  +{@total_alert_count - 20} more alerts →
                </.link>
              </div>
            <% end %>
          </div>
        <% end %>
      </div>
    <% end %>

    <%!-- ═══════════════════════════════════════════════
         SITE HEALTH TABLE
         ═══════════════════════════════════════════════ --%>
    <%= if @current_scope.organization.use_sites && @site_impact_summaries != [] do %>
      <div class="mt-5">
        <div class="flex items-center justify-between mb-2">
          <h2 class="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400">
            {t("Site Health")}
          </h2>
          <.link
            navigate={~p"/sites"}
            class="text-[10px] font-medium text-blue-600 hover:text-blue-700 dark:text-blue-400"
          >
            all sites →
          </.link>
        </div>
        <div class="overflow-hidden rounded-md border border-gray-200 dark:border-white/10">
          <table class="min-w-full">
            <thead class="bg-gray-50/80 dark:bg-gray-800/80">
              <tr>
                <th class="px-3 py-1.5 text-left text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                  {t("Site")}
                </th>
                <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                  {t("Devices")}
                </th>
                <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                  {t("Down")}
                </th>
                <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                  {t("QoE")}
                </th>
                <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                  {t("Subs")}
                </th>
                <th class="px-3 py-1.5 text-right text-[10px] font-medium uppercase tracking-wider text-gray-400 dark:text-gray-500">
                  {t("Affected")}
                </th>
              </tr>
            </thead>
            <tbody class="divide-y divide-gray-100 dark:divide-white/5 bg-white dark:bg-gray-800/50">
              <tr
                :for={site <- @site_impact_summaries}
                class={[
                  "hover:bg-gray-50 dark:hover:bg-white/5",
                  if(site.devices_down > 0, do: "bg-red-50/50 dark:bg-red-950/10", else: "")
                ]}
              >
                <td class="px-3 py-1.5">
                  <.link
                    navigate={~p"/sites/#{site.site_id}"}
                    class="flex items-center gap-1.5 text-sm font-medium text-gray-900 hover:text-blue-600 dark:text-white dark:hover:text-blue-400"
                  >
                    <span class={[
                      "h-2 w-2 rounded-full flex-shrink-0",
                      site_health_dot(site.site_health)
                    ]}>
                    </span>
                    {site.name}
                  </.link>
                </td>
                <td class="px-3 py-1.5 text-right font-mono text-xs text-gray-600 dark:text-gray-400">
                  {site.device_count}
                </td>
                <td class="px-3 py-1.5 text-right font-mono text-xs">
                  <%= if site.devices_down > 0 do %>
                    <span class="text-red-600 dark:text-red-400 font-bold">
                      {site.devices_down}
                    </span>
                  <% else %>
                    <span class="text-gray-300 dark:text-gray-600">0</span>
                  <% end %>
                </td>
                <td class="px-3 py-1.5 text-right font-mono text-xs">
                  <%= if site.avg_qoe do %>
                    <span class={
                      cond do
                        site.avg_qoe < 2.0 -> "text-red-600 dark:text-red-400"
                        site.avg_qoe < 4.0 -> "text-yellow-600 dark:text-yellow-400"
                        true -> "text-green-600 dark:text-green-400"
                      end
                    }>
                      {format_qoe(site.avg_qoe)}
                    </span>
                  <% else %>
                    <span class="text-gray-300 dark:text-gray-600">—</span>
                  <% end %>
                </td>
                <td class="px-3 py-1.5 text-right font-mono text-xs text-gray-600 dark:text-gray-400">
                  <%= if site.subscribers do %>
                    {site.subscribers}
                  <% else %>
                    <span class="text-gray-300 dark:text-gray-600">—</span>
                  <% end %>
                </td>
                <td class="px-3 py-1.5 text-right font-mono text-xs">
                  <%= if site.subscribers_affected > 0 do %>
                    <span class="text-red-600 dark:text-red-400 font-bold">
                      {format_number(site.subscribers_affected)}
                    </span>
                  <% else %>
                    <span class="text-gray-300 dark:text-gray-600">—</span>
                  <% end %>
                </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
    <% end %>

    <%!-- ═══════════════════════════════════════════════
         INSIGHTS — actionable, grouped by urgency
         ═══════════════════════════════════════════════ --%>
    <%= if @insights != [] do %>
      <div class="mt-5">
        <div class="flex items-center justify-between mb-2">
          <div class="flex items-center gap-2">
            <h2 class="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400">
              {t("Insights")}
            </h2>
            <div class="flex items-center gap-0.5">
              <.link
                patch={~p"/dashboard"}
                class={[
                  "rounded px-1.5 py-0.5 text-[10px] font-medium transition",
                  if(is_nil(@insight_source),
                    do: "bg-gray-900 text-white dark:bg-white dark:text-gray-900",
                    else: "text-gray-400 hover:bg-gray-100 dark:hover:bg-white/10"
                  )
                ]}
              >
                all
              </.link>
              <.link
                :for={source <- ~w(preseem snmp gaiia system)}
                patch={~p"/dashboard?insight_source=#{source}"}
                class={[
                  "rounded px-1.5 py-0.5 text-[10px] font-medium transition",
                  if(@insight_source == source,
                    do: "bg-gray-900 text-white dark:bg-white dark:text-gray-900",
                    else: "text-gray-400 hover:bg-gray-100 dark:hover:bg-white/10"
                  )
                ]}
              >
                {source}
              </.link>
            </div>
          </div>
          <.link
            navigate={~p"/insights"}
            class="text-[10px] font-medium text-blue-600 hover:text-blue-700 dark:text-blue-400"
          >
            all insights →
          </.link>
        </div>
        <div class="overflow-hidden rounded-md border border-gray-200 dark:border-white/10 divide-y divide-gray-100 dark:divide-white/5">
          <div
            :for={insight <- Enum.take(@insights, 6)}
            id={"insight-#{insight.id}"}
            class="flex items-center justify-between gap-2 px-3 py-2 bg-white dark:bg-gray-800/50 hover:bg-gray-50 dark:hover:bg-white/5 group"
          >
            <div class="flex items-center gap-2 min-w-0 flex-1">
              <%!-- Urgency indicator --%>
              <span class={[
                "w-1.5 h-1.5 rounded-full flex-shrink-0",
                case insight.urgency do
                  "critical" -> "bg-red-500"
                  "warning" -> "bg-yellow-500"
                  "info" -> "bg-blue-500"
                  _ -> "bg-gray-400"
                end
              ]} />
              <span class={[
                "text-[10px] font-medium uppercase w-8 flex-shrink-0",
                case insight.urgency do
                  "critical" -> "text-red-600 dark:text-red-400"
                  "warning" -> "text-yellow-600 dark:text-yellow-400"
                  "info" -> "text-blue-600 dark:text-blue-400"
                  _ -> "text-gray-500"
                end
              ]}>
                {case insight.urgency do
                  "critical" -> "CRIT"
                  "warning" -> "WARN"
                  "info" -> "INFO"
                  _ -> "—"
                end}
              </span>
              <span class={[
                "text-[10px] font-mono px-1 py-0.5 rounded flex-shrink-0",
                source_classes(insight.source)
              ]}>
                {insight.source}
              </span>
              <.link
                navigate={~p"/insights?source=#{insight.source}"}
                class="text-sm text-gray-900 dark:text-white hover:text-blue-600 dark:hover:text-blue-400 truncate"
              >
                {insight.title}
              </.link>
            </div>
            <div class="flex items-center gap-1 flex-shrink-0">
              <.link
                navigate={~p"/insights?source=#{insight.source}"}
                class="rounded px-1.5 py-0.5 text-[10px] font-medium text-blue-600 dark:text-blue-400 hover:bg-blue-50 dark:hover:bg-blue-900/20 opacity-0 group-hover:opacity-100 transition"
              >
                View
              </.link>
              <button
                type="button"
                phx-click="dismiss_insight"
                phx-value-id={insight.id}
                class="rounded p-0.5 text-gray-300 hover:text-gray-500 dark:text-gray-600 dark:hover:text-gray-400 opacity-0 group-hover:opacity-100 transition"
                title="Dismiss"
              >
                <.icon name="hero-x-mark" class="h-3 w-3" />
              </button>
            </div>
          </div>
        </div>
      </div>
    <% end %>

    <%!-- ═══════════════════════════════════════════════
         NETWORK PULSE + CONFIG CHANGES — side by side
         ═══════════════════════════════════════════════ --%>
    <div class="mt-5 grid gap-4 lg:grid-cols-2">
      <%!-- Network Pulse --%>
      <div>
        <h2 class="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-2">
          {t("Network Pulse")}
        </h2>
        <div class="rounded-md border border-gray-200 dark:border-white/10 bg-white dark:bg-gray-800/50 divide-y divide-gray-100 dark:divide-white/5">
          <div class="flex items-center justify-between px-3 py-2">
            <span class="text-xs text-gray-500 dark:text-gray-400">Devices monitored</span>
            <span class="font-mono text-sm font-bold text-gray-900 dark:text-white">
              {@device_count}
            </span>
          </div>
          <div class="flex items-center justify-between px-3 py-2">
            <span class="text-xs text-gray-500 dark:text-gray-400">Online</span>
            <span class="font-mono text-sm text-green-600 dark:text-green-400">{@device_up}</span>
          </div>
          <div class="flex items-center justify-between px-3 py-2">
            <span class="text-xs text-gray-500 dark:text-gray-400">Down</span>
            <span class={[
              "font-mono text-sm",
              if(@device_down > 0,
                do: "text-red-600 dark:text-red-400 font-bold",
                else: "text-gray-400"
              )
            ]}>
              {@device_down}
            </span>
          </div>
          <div class="flex items-center justify-between px-3 py-2">
            <span class="text-xs text-gray-500 dark:text-gray-400">Unknown</span>
            <span class={[
              "font-mono text-sm",
              if(@device_unknown > 0,
                do: "text-yellow-600 dark:text-yellow-400",
                else: "text-gray-400"
              )
            ]}>
              {@device_unknown}
            </span>
          </div>
          <div class="flex items-center justify-between px-3 py-2">
            <span class="text-xs text-gray-500 dark:text-gray-400">Config changes (7d)</span>
            <span class="font-mono text-sm text-gray-900 dark:text-white">
              {length(@recent_config_changes)}
            </span>
          </div>
          <div class="flex items-center justify-between px-3 py-2">
            <span class="text-xs text-gray-500 dark:text-gray-400">Active incidents</span>
            <span class={[
              "font-mono text-sm",
              if(length(@active_incidents) > 0,
                do: "text-red-600 dark:text-red-400 font-bold",
                else: "text-gray-400"
              )
            ]}>
              {length(@active_incidents)}
            </span>
          </div>
        </div>
      </div>

      <%!-- Config Changes --%>
      <div>
        <div class="flex items-center justify-between mb-2">
          <h2 class="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400">
            Config Changes <span class="font-normal text-gray-400 dark:text-gray-500">(7d)</span>
          </h2>
          <.link
            navigate={~p"/insights"}
            class="text-[10px] font-medium text-blue-600 hover:text-blue-700 dark:text-blue-400"
          >
            all →
          </.link>
        </div>
        <%= if Enum.any?(@recent_config_changes) do %>
          <div class="overflow-hidden rounded-md border border-gray-200 dark:border-white/10 divide-y divide-gray-100 dark:divide-white/5">
            <%= for change <- @recent_config_changes do %>
              <.link
                navigate={~p"/devices/#{change.device_id}/config-timeline"}
                class="flex items-center gap-2 px-3 py-1.5 bg-white hover:bg-gray-50 dark:bg-gray-800/50 dark:hover:bg-white/5 transition-colors"
              >
                <span class={"w-1.5 h-1.5 rounded-full flex-shrink-0 #{config_change_impact_color(change)}"} />
                <span class="text-xs font-medium text-gray-900 dark:text-white truncate">
                  {if change.device, do: change.device.name, else: "Unknown"}
                </span>
                <span class="font-mono text-[10px] text-gray-400 dark:text-gray-500 flex-shrink-0">
                  {change.change_size}L
                </span>
                <span class="text-[10px] text-gray-400 dark:text-gray-500 truncate">
                  {Enum.join(Enum.take(change.sections_changed, 2), ", ")}
                </span>
                <span class="ml-auto flex-shrink-0 font-mono text-[10px] text-gray-400 dark:text-gray-500">
                  {format_short_datetime(change.changed_at, @timezone)}
                </span>
              </.link>
            <% end %>
          </div>
        <% else %>
          <div class="rounded-md border border-gray-200 dark:border-white/10 bg-white dark:bg-gray-800/50 px-3 py-6 text-center">
            <span class="text-xs text-gray-400 dark:text-gray-500">
              No config changes in 7 days
            </span>
          </div>
        <% end %>
      </div>
    </div>

    <%!-- ═══════════════════════════════════════════════
         RECENT ACTIVITY
         ═══════════════════════════════════════════════ --%>
    <%= if assigns[:recent_activity] && @recent_activity != [] do %>
      <div class="mt-5">
        <div class="flex items-center justify-between mb-2">
          <h2 class="text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400">
            {t("Recent Activity")}
          </h2>
          <.link
            navigate={~p"/activity"}
            class="text-[10px] font-medium text-blue-600 hover:text-blue-700 dark:text-blue-400"
          >
            all activity →
          </.link>
        </div>
        <div class="overflow-hidden rounded-md border border-gray-200 dark:border-white/10 divide-y divide-gray-100 dark:divide-white/5">
          <div
            :for={activity <- @recent_activity}
            class="flex items-center gap-2 px-3 py-1.5 bg-white dark:bg-gray-800/50"
          >
            <span class="h-1 w-1 rounded-full bg-blue-400 dark:bg-blue-500 flex-shrink-0" />
            <p class="text-xs text-gray-700 dark:text-gray-300 min-w-0 flex-1 truncate">
              {activity.summary}
            </p>
            <span class="flex-shrink-0 font-mono text-[10px] text-gray-400 dark:text-gray-500">
              {format_short_datetime(activity.timestamp, @timezone)}
            </span>
          </div>
        </div>
      </div>
    <% end %>

    <%!-- ═══════════════════════════════════════════════
         FOOTER — Command palette hint
         ═══════════════════════════════════════════════ --%>
    <div class="mt-6 flex items-center justify-center border-t border-gray-100 dark:border-white/5 pt-4 pb-2">
      <span class="text-[10px] text-gray-300 dark:text-gray-600">
        <kbd class="px-1 py-0.5 rounded border border-gray-200 dark:border-gray-700 font-mono text-gray-400 dark:text-gray-500">
          ⌘K
        </kbd>
        <span class="ml-1">to search</span>
        <span class="mx-2">·</span>
        <.link navigate={~p"/devices/new"} class="hover:text-gray-500 dark:hover:text-gray-400">
          + device
        </.link>
        <span class="mx-2">·</span>
        <.link navigate={~p"/trace"} class="hover:text-gray-500 dark:hover:text-gray-400">
          trace
        </.link>
        <span class="mx-2">·</span>
        <.link navigate={~p"/network-map"} class="hover:text-gray-500 dark:hover:text-gray-400">
          map
        </.link>
      </span>
    </div>
  <% end %>
</Layouts.authenticated>