- Reemplaza fondos casi-negros (#0e1117, #1e2128) por paleta
azul-gris marino profesional (#252a38 main, #1a1e2c viewport canvas)
- Elimina max-width:72px de ribbonButton — texto como "C. Incendio",
"Post-Proc.", "Agua Dulce" ya no se corta
- layerVisBtn: indicador visual por color (azul=#0d99ff visible /
gris=#363b4e oculta) sin depender de texto ni ícono
- layerLockBtn: ámbar=#fbbf24 bloqueada / gris libre
- Mejora contraste de ribbonGroupTitle, viewportTitle,
placeholderTitle, placeholderDesc y viewportPlaceholder
- Agrega border-bottom a ribbonContent para separación visual
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Replace simple QToolBar with 6-tab functional RibbonBar
(Home / Geometría / Análisis / Tanques / Sistemas / Fabricación)
Each tab shows relevant button groups with icons + text below.
- Replace single 3D placeholder with FourViewport layout
(Perspectiva 3D · Vista Lateral · Body Plan · Vista de Planta)
divided by draggable cyan splitters — standard naval CAD layout.
- Replace ProjectTreePanel with DELFTship-style LayersPanel:
10 preset layers with visibility toggle, lock toggle, and color swatch.
- Add pipe/cable routing modules (MOD_ROUTING_PIPES=21, MOD_ROUTING_CABLES=22)
visible in Sistemas ribbon tab and main menu under Sistemas → Routing 3D.
- Move Units/Language info from toolbar to status bar (cleaner ribbon).
- Update dark.qss: new styles for ribbon tabs, viewports, layers panel,
viewport splitter handles (accent blue), placeholder text.
- All 12 Sprint 0 tests pass.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
alro65