fix(ui): preservar color natural del logo, habilitar submenus en sidebar colapsado y corregir expansion infinita del canvas en dashboard

frontend/public/css/theme.css

@@ -173,18 +173,14 @@ body {
     height: 32px;
     width: auto;
     object-fit: contain;
-    transition: filter 0.25s ease;
+    filter: none !important;
 }
 
-/* En Modo Claro el navbar es magenta (#B43E8E), aplicamos color blanco al isotipo */
+/* El isotipo de UniCABA se adapta a ambos modos sin alteraciones de color */
 [data-bs-theme="light"] .navbar-logo,
-:root:not([data-bs-theme="dark"]) .navbar-logo {
+:root:not([data-bs-theme="dark"]) .navbar-logo,
-    filter: brightness(0) invert(1);
-}
-
-/* En Modo Oscuro se mantiene el isotipo con su tono natural */
 [data-bs-theme="dark"] .navbar-logo {
-    filter: none;
+    filter: none !important;
 }
 
 /* User Avatar Component */
@@ -680,3 +676,12 @@ body {
     color: #E2E8F0;
 }
 
+/* Chart Container Utility — previene expansión infinita en Chart.js */
+.chart-container {
+    position: relative;
+    width: 100%;
+    height: 260px;
+    max-height: 320px;
+}
+
+

frontend/views/base.html

@@ -42,9 +42,10 @@
             background: #F8FAFC !important;
             color: #1E293B !important;
         }
-        [data-bs-theme="light"] .navbar-logo {
+        .navbar-logo,
-            /* Filtro para convertir blanco a rosa (#B43E8E) */
+        [data-bs-theme="light"] .navbar-logo,
-            filter: brightness(0) saturate(100%) invert(35%) sepia(55%) saturate(2250%) hue-rotate(289deg) brightness(90%) contrast(90%);
+        [data-bs-theme="dark"] .navbar-logo {
+            filter: none !important;
         }
         [data-bs-theme="light"] .glass-navbar {
             background: rgba(255, 255, 255, 0.88) !important;
@@ -266,6 +267,7 @@
         /* Sidebar Colapsado (Compacto, ultra limpio para pantallas chicas) */
         .sidebar.collapsed {
             width: 68px;
+            overflow: visible !important;
         }
         .sidebar.collapsed .brand-link {
             display: none !important;
@@ -281,9 +283,16 @@
         .sidebar.collapsed .dropdown-header {
             display: none !important;
         }
+        .sidebar.collapsed .sidebar-body {
+            overflow: visible !important;
+        }
+        .sidebar.collapsed .nav-item {
+            position: relative;
+        }
         .sidebar.collapsed .nav-link {
             justify-content: center !important;
             padding: 0.55rem 0 !important;
+            position: relative;
         }
         .sidebar.collapsed .nav-link i {
             margin-right: 0 !important;
@@ -299,8 +308,80 @@
         .sidebar.collapsed .sidebar-footer .theme-toggle-btn {
             margin-bottom: 0.5rem !important;
         }
+
+        /* Submenús flotantes (Flyout) cuando el sidebar está contraído */
         .sidebar.collapsed .collapse {
-            display: none !important;
+            display: none;
+        }
+        .sidebar.collapsed .nav-item:hover > .collapse,
+        .sidebar.collapsed .nav-item > .collapse.show,
+        .sidebar.collapsed .nav-item.show-flyout > .collapse {
+            display: block !important;
+            position: absolute;
+            left: 100%;
+            top: 0;
+            margin-left: 6px;
+            min-width: 220px;
+            background: var(--bs-body-bg);
+            border: 1px solid rgba(0, 0, 0, 0.12);
+            border-radius: 12px;
+            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
+            z-index: 1070;
+            padding: 0.5rem 0;
+            animation: flyoutSlideIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
+        }
+        [data-bs-theme="dark"] .sidebar.collapsed .nav-item:hover > .collapse,
+        [data-bs-theme="dark"] .sidebar.collapsed .nav-item > .collapse.show,
+        [data-bs-theme="dark"] .sidebar.collapsed .nav-item.show-flyout > .collapse {
+            background: #1e293b;
+            border-color: #334155;
+            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
+        }
+        @keyframes flyoutSlideIn {
+            from { opacity: 0; transform: translateX(-6px); }
+            to { opacity: 1; transform: translateX(0); }
+        }
+        .sidebar.collapsed .flyout-header {
+            display: block !important;
+            font-size: 0.75rem;
+            font-weight: 700;
+            text-transform: uppercase;
+            letter-spacing: 0.05em;
+            padding: 0.35rem 1rem 0.45rem;
+            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
+            margin-bottom: 0.35rem;
+        }
+        [data-bs-theme="dark"] .sidebar.collapsed .flyout-header {
+            border-bottom-color: rgba(255, 255, 255, 0.08);
+        }
+        .sidebar.collapsed .nav-item:hover .sidebar-submenu,
+        .sidebar.collapsed .nav-item > .collapse.show .sidebar-submenu,
+        .sidebar.collapsed .nav-item.show-flyout .sidebar-submenu {
+            padding-left: 0 !important;
+            margin: 0 !important;
+            list-style: none;
+        }
+        .sidebar.collapsed .nav-item:hover .sidebar-submenu .nav-link,
+        .sidebar.collapsed .nav-item > .collapse.show .sidebar-submenu .nav-link,
+        .sidebar.collapsed .nav-item.show-flyout .sidebar-submenu .nav-link {
+            padding: 0.5rem 1rem !important;
+            font-size: 0.85rem;
+            white-space: nowrap;
+            display: flex;
+            align-items: center;
+            justify-content: flex-start !important;
+        }
+        .sidebar.collapsed .nav-item:hover .sidebar-submenu .nav-link:hover,
+        .sidebar.collapsed .nav-item > .collapse.show .sidebar-submenu .nav-link:hover,
+        .sidebar.collapsed .nav-item.show-flyout .sidebar-submenu .nav-link:hover {
+            background-color: rgba(180, 62, 142, 0.08);
+            color: #B43E8E !important;
+        }
+        [data-bs-theme="dark"] .sidebar.collapsed .nav-item:hover .sidebar-submenu .nav-link:hover,
+        [data-bs-theme="dark"] .sidebar.collapsed .nav-item > .collapse.show .sidebar-submenu .nav-link:hover,
+        [data-bs-theme="dark"] .sidebar.collapsed .nav-item.show-flyout .sidebar-submenu .nav-link:hover {
+            background-color: rgba(255, 138, 182, 0.1);
+            color: #FF8AB6 !important;
         }
 
         /* Navegación del Sidebar */
@@ -521,6 +602,7 @@
                                 <i class="bi bi-door-open text-info"></i> <span class="nav-text flex-grow-1">Espacios & Sedes</span> <i class="bi bi-chevron-down nav-caret ms-auto fs-6"></i>
                             </a>
                             <div class="collapse" id="menuEspacios" data-bs-parent="#sidebarNav">
+                                <div class="flyout-header text-info d-none"><i class="bi bi-door-open me-1"></i>Espacios & Sedes</div>
                                 <ul class="sidebar-submenu">
                                     <li><a class="nav-link" href="/classrooms/list_classrooms?view_mode=physical">Presenciales</a></li>
                                     <li><a class="nav-link" href="/classrooms/list_classrooms?view_mode=virtual">Virtuales</a></li>
@@ -536,6 +618,7 @@
                                 <i class="bi bi-calendar3 text-warning"></i> <span class="nav-text flex-grow-1">Reservas</span> <i class="bi bi-chevron-down nav-caret ms-auto fs-6"></i>
                             </a>
                             <div class="collapse" id="menuReservas" data-bs-parent="#sidebarNav">
+                                <div class="flyout-header text-warning d-none"><i class="bi bi-calendar3 me-1"></i>Reservas</div>
                                 <ul class="sidebar-submenu">
                                     <li><a class="nav-link" href="/schedule/calendar_view">Calendario</a></li>
                                     <li><a class="nav-link" href="/schedule/today_schedule">Cartelera</a></li>
@@ -551,6 +634,7 @@
                                 <i class="bi bi-mortarboard text-success"></i> <span class="nav-text flex-grow-1">Académica</span> <i class="bi bi-chevron-down nav-caret ms-auto fs-6"></i>
                             </a>
                             <div class="collapse" id="menuAcademica" data-bs-parent="#sidebarNav">
+                                <div class="flyout-header text-success d-none"><i class="bi bi-mortarboard me-1"></i>Académica</div>
                                 <ul class="sidebar-submenu">
                                     <li><a class="nav-link" href="/admin/careers_list">Carreras</a></li>
                                     <li><a class="nav-link" href="/admin/subjects_list">Asignaturas</a></li>
@@ -564,6 +648,7 @@
                                 <i class="bi bi-shield-lock text-secondary"></i> <span class="nav-text flex-grow-1">Administración</span> <i class="bi bi-chevron-down nav-caret ms-auto fs-6"></i>
                             </a>
                             <div class="collapse" id="menuAdmin" data-bs-parent="#sidebarNav">
+                                <div class="flyout-header text-secondary d-none"><i class="bi bi-shield-lock me-1"></i>Administración</div>
                                 <ul class="sidebar-submenu">
                                     <li><a class="nav-link" href="/admin/users_list">Usuarios</a></li>
                                     <li><a class="nav-link" href="/admin/roles_list">Roles RBAC</a></li>
@@ -737,16 +822,42 @@
                     sidebar.classList.toggle("collapsed");
                     localStorage.setItem("sidebarCollapsed", sidebar.classList.contains("collapsed"));
                     updateToggleIcon();
-                    // Collapse any open submenus when collapsing sidebar
+                    // Limpiar flyouts abiertos al alternar modo
-                    if (sidebar.classList.contains("collapsed")) {
+                    document.querySelectorAll('.nav-item.show-flyout').forEach(function(item) {
-                        document.querySelectorAll('.sidebar-submenu').forEach(function(submenu) {
+                        item.classList.remove('show-flyout');
-                            const collapseInstance = bootstrap.Collapse.getInstance(submenu.parentElement);
+                    });
-                            if (collapseInstance) collapseInstance.hide();
-                        });
-                    }
                 });
             }
 
+            // Manejo de clicks en submenús cuando el sidebar está colapsado (pantallas táctiles o click explícito)
+            document.querySelectorAll('#sidebarNav > .nav-item').forEach(function(item) {
+                const trigger = item.querySelector('[data-bs-toggle="collapse"]');
+                if (trigger) {
+                    trigger.addEventListener('click', function(e) {
+                        if (sidebar.classList.contains('collapsed')) {
+                            e.preventDefault();
+                            e.stopPropagation();
+                            const isAlreadyOpen = item.classList.contains('show-flyout');
+                            document.querySelectorAll('#sidebarNav > .nav-item.show-flyout').forEach(function(other) {
+                                other.classList.remove('show-flyout');
+                            });
+                            if (!isAlreadyOpen) {
+                                item.classList.add('show-flyout');
+                            }
+                        }
+                    });
+                }
+            });
+
+            // Cerrar flyouts flotantes al hacer click fuera del sidebar
+            document.addEventListener('click', function(e) {
+                if (!sidebar.contains(e.target)) {
+                    document.querySelectorAll('#sidebarNav > .nav-item.show-flyout').forEach(function(item) {
+                        item.classList.remove('show-flyout');
+                    });
+                }
+            });
+            
             if (mobileBtn) {
                 mobileBtn.addEventListener("click", function() {
                     sidebar.classList.add("mobile-open");

frontend/views/dashboard.html

@@ -370,8 +370,10 @@
                         <i class="bi bi-bar-chart me-1"></i>Métricas Detalladas
                     </a>
                 </div>
-                <div class="card-body">
+                <div class="card-body p-3">
-                    <canvas id="monthlyChart" height="110"></canvas>
+                    <div style="position: relative; height: 260px; max-height: 260px; width: 100%;">
+                        <canvas id="monthlyChart"></canvas>
+                    </div>
                 </div>
             </div>
         </div>
@@ -1547,6 +1549,7 @@ $(document).ready(function() {
                     options: {
                         responsive: true,
                         maintainAspectRatio: false,
+                        resizeDelay: 100,
                         plugins: {
                             legend: {
                                 display: false

frontend/views/layouts/base.html

@@ -149,6 +149,7 @@
         .navbar-logo {
             height: 26px;
             width: auto;
+            filter: none !important;
         }
 
         /* =============================================