vault171/app/views/items/_list2.html.erb

<% content_for :title, "Gesamtbestand" %>

<!-- OBERE AKTIONSLISTE (Bleibt unverändert) -->
<% content_for :top_bar_actions do %>
  <%= link_to new_item_path, class: "py-2 px-4 text-sm font-semibold rounded-lg bg-blue-600 text-white hover:bg-blue-700 flex items-center gap-1.5 shadow-sm transition" do %>
    <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M12 4.5v15m7.5-7.5h-15" /></svg>
    Artikel hinzufügen
  <% end %>
<% end %>

<div class="space-y-6">
  
  <!-- FILTER- & SUCHZEILE (Bleibt unverändert) -->
  <div class="bg-white border border-gray-200 rounded-xl shadow-sm overflow-hidden">
    <div class="p-4 border-b border-gray-200 bg-gray-50 flex flex-col sm:flex-row gap-3 justify-between items-center">
      <div class="relative w-full sm:max-w-xs">
        <input type="text" placeholder="Artikel, SKU oder Besitzer..." class="py-2 px-3 pl-9 block w-full border border-gray-300 rounded-lg text-sm bg-white focus:border-blue-500 focus:ring-blue-500">
        <div class="absolute inset-y-0 left-0 flex items-center pl-3 pointer-events-none">
          <svg class="h-4 w-4 text-gray-400" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-5.197-5.197m0 0A7.5 7.5 0 105.196 5.196a7.5 7.5 0 0010.637 10.637z" /></svg>
        </div>
      </div>
      <div class="flex items-center gap-2 w-full sm:w-auto justify-end">
        <%= link_to items_path(format: :csv), class: "py-2 px-3 border border-gray-300 rounded-lg text-sm font-medium bg-white text-gray-700 hover:bg-gray-50 flex items-center gap-1.5 transition shadow-sm", title: "Liste als Excel/CSV exportieren" do %>
          <svg class="h-4 w-4 text-gray-400" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 0 0 5.25 21h13.5A2.25 2.25 0 0 0 21 18.75V16.5M16.5 12 12 16.5m0 0L7.5 12m4.5 4.5V3" /></svg>
          <span>Daten exportieren</span>
        <% end %>
      </div>
    </div>

    <% if @items.any? %>
      
    <!-- ========================================================================= -->
    <!-- 1. HANDY-ANSICHT: OPTIMIERTE INVENTAR-CARDS (md:hidden) -->
    <!-- ========================================================================= -->
    <div class="block md:hidden divide-y divide-gray-200 bg-white">
      <% @items.each do |item| %>
        <div class="p-4 space-y-3 hover:bg-gray-50/50 transition">
          
          <!-- Zeile 1: Name, Kategorie & die markante Sticker-ID Plakette -->
          <div class="flex justify-between items-start gap-3">
            <div class="min-w-0">
              <h4 class="font-bold text-gray-900 text-sm leading-snug truncate"><%= item.name %></h4>
              <p class="text-xs text-gray-500 font-medium mt-0.5"><%= item.category.name %></p>
            </div>
            <!-- MARKANTE PLAKETTE: Ersetzt die alte Text-Bezeichnung und hebt die ID stark hervor -->
            <span class="inline-flex items-center font-mono font-black text-xs text-white bg-blue-600 px-2.5 py-1 rounded-md shadow-sm shrink-0 tracking-wider">
              #<%= item.sticker_id %>
            </span>
          </div>

          <!-- Zeile 2: Technische Gerätedaten (SKU & Seriennummer) -->
          <div class="grid grid-cols-2 gap-3 bg-gray-50 p-2.5 rounded-lg text-xs font-mono text-gray-600">
            <div class="truncate">
              <span class="text-gray-400 font-sans block text-[10px] uppercase font-bold tracking-wider mb-0.5">SKU</span>
              <%= item.sku %>
            </div>
            <div class="truncate">
              <span class="text-gray-400 font-sans block text-[10px] uppercase font-bold tracking-wider mb-0.5">Seriennummer</span>
              <%= item.serial_number %>
            </div>
          </div>

          <!-- Zeile 3: Standort, Wert & Quick-Actions -->
          <div class="flex justify-between items-center pt-1">
            <div class="flex items-center gap-2 flex-wrap">
              <!-- Standort-Badge -->
              <div class="text-xs">
                <% if item.user.present? %>
                  <span class="inline-flex items-center gap-1 text-gray-900 font-semibold bg-green-50 text-green-800 px-2 py-1 rounded-md border border-green-200">
                    👤 <%= item.user.name %>
                  </span>
                <% elsif item.room.present? %>
                  <span class="inline-flex items-center gap-1 text-gray-700 bg-blue-50 text-blue-800 px-2 py-1 rounded-md border border-blue-200">
                    📍 <%= item.room.name %>
                  </span>
                <% else %>
                  <span class="inline-flex items-center gap-1 text-amber-800 bg-amber-50 px-2 py-1 rounded-md border border-amber-200 font-medium">
                    📦 Hauptlager
                  </span>
                <% end %>
              </div>
              
              <!-- Kompakter Preis-Tag -->
              <span class="text-xs font-bold text-gray-500 font-mono">
                <%= number_to_currency(item.price, unit: "€", separator: ",", delimiter: ".", format: "%n %u") %>
              </span>
            </div>

            <!-- Aktions-Icons -->
            <div class="flex items-center gap-1 shrink-0">
              <%= link_to item_path(item), class: "p-2 text-gray-500 hover:text-blue-600 hover:bg-blue-50 rounded-lg border border-gray-200 bg-white shadow-sm" do %>
                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z" /><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z" /></svg>
              <% end %>
              <%= link_to edit_item_path(item), class: "p-2 text-gray-500 hover:text-amber-600 hover:bg-amber-50 rounded-lg border border-gray-200 bg-white shadow-sm" do %>
                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Zm0 0L19.5 7.125M18 14v4.75A2.25 2.25 0 0 1 15.75 21H5.25A2.25 2.25 0 0 1 3 18.75V8.25A2.25 2.25 0 0 1 5.25 6H10" /></svg>
              <% end %>
            </div>
          </div>

        </div>
      <% end %>
    </div>

      <!-- ========================================================================= -->
      <!-- 2. DESKTOP-ANSICHT: KLASSISCHE STICKY-TABELLE (Versteckt auf Mobilgeräten, aktiv ab 'md:') -->
      <!-- ========================================================================= -->
      <div class="hidden md:block overflow-x-auto max-h-[calc(100vh-12rem)]">
        <table class="min-w-full divide-y divide-gray-200 text-sm">
          <thead class="bg-gray-50 sticky top-0 z-20 shadow-[0_1px_0_0_rgba(229,231,235,1)]">
            <tr>
              <th scope="col" class="px-6 py-3 text-start font-semibold text-gray-500 uppercase tracking-wider">Artikel / Details</th>
              <th scope="col" class="px-6 py-3 text-start font-semibold text-gray-500 uppercase tracking-wider">Seriennummer (SN)</th>
              <th scope="col" class="px-6 py-3 text-start font-semibold text-gray-500 uppercase tracking-wider">Aktueller Standort / Inhaber</th>
              <th scope="col" class="px-6 py-3 text-start font-semibold text-gray-500 uppercase tracking-wider">Sticker-ID</th>
              <th scope="col" class="px-6 py-3 text-end font-semibold text-gray-500 uppercase tracking-wider">Wert</th>
              <th scope="col" class="px-6 py-3 text-end font-semibold text-gray-500 uppercase tracking-wider">Aktionen</th>
            </tr>
          </thead>
          <tbody class="divide-y divide-gray-200 bg-white">
            <% @items.each do |item| %>
              <tr class="hover:bg-gray-50/50 transition">
                <td class="px-6 py-4 whitespace-nowrap">
                  <div class="font-semibold text-gray-900"><%= item.name %></div>
                  <div class="text-xs text-gray-400">SKU: <%= item.sku %> • <%= item.category.name %></div>
                </td>
                <td class="px-6 py-4 whitespace-nowrap font-mono text-xs text-gray-600"><%= item.serial_number %></td>
                <td class="px-6 py-4 whitespace-nowrap text-gray-700">
                  <% if item.user.present? %>
                    <span class="inline-flex items-center gap-1.5 text-gray-900 font-medium">👤 <%= item.user.name %></span>
                  <% elsif item.room.present? %>
                    <span class="inline-flex items-center gap-1.5 text-gray-600">📍 <%= item.room.name_with_building %></span>
                  <% else %>
                    <span class="inline-flex items-center py-0.5 px-2 rounded-full text-xs font-medium bg-amber-50 text-amber-800 border border-amber-200">📦 Im Hauptlager</span>
                  <% end %>
                </td>
                <td class="px-6 py-4 whitespace-nowrap font-mono text-xs font-bold text-blue-600">#<%= item.sticker_id %></td>
                <td class="px-6 py-4 whitespace-nowrap text-end font-medium text-gray-900">
                  <%= number_to_currency(item.price, unit: "€", separator: ",", delimiter: ".", format: "%n %u") %>
                </td>
                <td class="px-6 py-4 whitespace-nowrap text-end font-medium text-xs">
                  <div class="flex items-center justify-end gap-2">
                    <%= link_to item_path(item), class: "p-1.5 text-gray-500 hover:text-blue-600 hover:bg-blue-50 rounded-lg transition-colors border border-transparent hover:border-blue-100", title: "Details anzeigen" do %>
                      <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="M2.036 12.322a1.012 1.012 0 0 1 0-.639C3.423 7.51 7.36 4.5 12 4.5c4.638 0 8.573 3.007 9.963 7.178.07.207.07.431 0 .639C20.577 16.49 16.64 19.5 12 19.5c-4.638 0-8.573-3.007-9.963-7.178Z" /><path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z" /></svg>
                    <% end %>
                    <%= link_to edit_item_path(item), class: "p-1.5 text-gray-500 hover:text-amber-600 hover:bg-amber-50 rounded-lg transition-colors border border-transparent hover:border-amber-100", title: "Artikel bearbeiten" do %>
                      <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Zm0 0L19.5 7.125M18 14v4.75A2.25 2.25 0 0 1 15.75 21H5.25A2.25 2.25 0 0 1 3 18.75V8.25A2.25 2.25 0 0 1 5.25 6H10" /></svg>
                    <% end %>
                  </div>
                </td>
              </tr>
            <% end %>
          </tbody>
        </table>
      </div>

    <% else %>
      <!-- EMPTY STATE (Falls die Datenbank komplett leer ist) -->
      <div class="text-center py-16 text-gray-400">
        <svg class="mx-auto h-12 w-12 text-gray-300" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
          <path stroke-linecap="round" stroke-linejoin="round" d="M21 7.5l-9-5.25L3 7.5m18 0l-9 5.25m9-5.25v9l-9 5.25M3 7.5l9 5.25M3 7.5v9l5.25 3.03M12 12.75v9" />
        </svg>
        <p class="text-sm mt-3 font-medium">Bisher sind keine Inventargegenstände erfasst.</p>
        <p class="text-xs text-gray-400 mt-1">Klicke oben rechts auf "Artikel hinzufügen", um das erste Gerät einzubuchen.</p>
      </div>
    <% end %>

  </div>
</div>