Initial commit — MarineMaintenance v1.0

Marine maintenance management: work orders with photos, ISM/SWP procedures,
MSDS, inventory, RFQ/purchases, vessel history, bilingual PDF reports.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

templates/purchases.html

@@ -0,0 +1,26 @@
+{% extends 'base.html' %}
+{% block title %}Compras{% endblock %}
+{% block page_title %}Compras de Materiales{% endblock %}
+{% block topbar_actions %}<a href="{{ url_for('purchase_new') }}" class="btn btn-primary">+ Nueva Compra</a>{% endblock %}
+{% block content %}
+<div class="card">
+    <div class="table-wrap">
+    <table>
+        <thead><tr><th>Fecha</th><th>Proveedor</th><th>Factura</th><th>Total</th><th></th></tr></thead>
+        <tbody>
+        {% for p in purchases %}
+        <tr>
+            <td>{{ p.purchase_date }}</td>
+            <td>{{ p.supplier_name or 'Sin proveedor' }}</td>
+            <td class="text-gray">{{ p.invoice_number or '—' }}</td>
+            <td class="text-cyan">${{ "%.2f"|format(p.total_amount or 0) }}</td>
+            <td><a href="{{ url_for('purchase_detail', pid=p.id) }}" class="btn btn-sm btn-secondary">Ver</a></td>
+        </tr>
+        {% else %}
+        <tr><td colspan="5" class="text-gray" style="text-align:center;padding:30px">Sin compras registradas.</td></tr>
+        {% endfor %}
+        </tbody>
+    </table>
+    </div>
+</div>
+{% endblock %}