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/system_form.html

@@ -0,0 +1,27 @@
+{% extends 'base.html' %}
+{% block title %}{% if system %}Editar{% else %}Nuevo{% endif %} Sistema{% endblock %}
+{% block page_title %}{% if system %}Editar Sistema{% else %}Nuevo Sistema{% endif %}{% endblock %}
+{% block topbar_actions %}<a href="{{ url_for('systems') }}" class="btn btn-secondary">← Volver</a>{% endblock %}
+{% block content %}
+<div class="card" style="max-width:500px">
+    {% if system and system.is_default %}
+    <div class="alert alert-warn mb-4">Los sistemas predefinidos no se pueden editar.</div>
+    {% else %}
+    <form method="POST">
+        <div class="form-group mb-4">
+            <label>Nombre del Sistema *</label>
+            <input type="text" name="name" value="{{ system.name if system else '' }}"
+                   required placeholder="Ej: Watermaker, Bow Thruster...">
+        </div>
+        <div class="form-group mb-4">
+            <label>Descripción (opcional)</label>
+            <textarea name="description">{{ system.description if system else '' }}</textarea>
+        </div>
+        <div class="flex gap-3">
+            <button type="submit" class="btn btn-primary">💾 Guardar</button>
+            <a href="{{ url_for('systems') }}" class="btn btn-secondary">Cancelar</a>
+        </div>
+    </form>
+    {% endif %}
+</div>
+{% endblock %}