/* ==========================================================================
   🧱 1. CONFIGURACIONES GLOBALES Y LAYOUT BASE
   ========================================================================== */
body {
    background-color: #f8f9fa;
    overflow-x: hidden;
}

/* Contenedor estructural principal de la aplicación */
.app-wrapper {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Área de trabajo derecha (Topbar + Contenido dinámico con scroll) */
.app-content-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Contenedor del scroll independiente para las páginas hijas */
.app-body-scroll {
    flex-grow: 1;
    overflow-y: auto;
    padding: 2rem;
}


/* ==========================================================================
   📐 2. NAVBAR HORIZONTAL SUPERIOR (TOPBAR)
   ========================================================================== */
.app-topbar {
    height: 70px;
    min-height: 70px;
    background-color: #ffffff;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    transition: padding-left 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
}


/* ==========================================================================
   🏥 3. SIDEBAR VERTICAL IZQUIERDO (MENU PRINCIPAL)
   ========================================================================== */
.app-sidebar {
    position: relative;
    width: 260px;
    min-width: 260px;
    height: 100vh;
    background-color: #ffffff;
    border-right: 1px solid #e9ecef;
    display: flex;
    flex-direction: column;
    z-index: 1030;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enlaces de navegación de la barra lateral */
.sidebar-nav .nav-link {
    color: #495057;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    border-radius: 0.375rem;
    margin: 0.2rem 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.sidebar-nav .nav-link:hover {
    background-color: #f8f9fa;
    color: #158CBA; /* Color primario de Lumen */
}

.sidebar-nav .nav-link.active {
    background-color: #efebfc; /* Fondo sutil estilo Horilla */
    color: #158CBA !important;
    font-weight: 600;
}

.sidebar-nav .nav-link i {
    width: 24px;
    font-size: 1.1rem;
}

/* Menús colapsables y submenús internos */
.sidebar-nav .accordion-arrow {
    transition: transform 0.2s ease;
    color: #adb5bd;
}

.sidebar-nav .nav-link[aria-expanded="true"] .accordion-arrow {
    transform: rotate(180px);
    color: #158CBA;
}

.sidebar-nav .collapse .nav-link {
    margin: 0.1rem 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.88rem;
    color: #6c757d;
}

.sidebar-nav .collapse .nav-link:hover {
    color: #158CBA;
    background-color: transparent;
}


/* ==========================================================================
   🎛️ 4. BOTÓN FLOTANTE CHEVRON Y COMPORTAMIENTO COLAPSADO (0px)
   ========================================================================== */
.sidebar-chevron-btn {
    position: absolute;
    top: 22px; 
    right: -13px; 
    width: 26px;
    height: 26px;
    background-color: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    z-index: 1040;
    transition: all 0.3s ease;
}

.sidebar-chevron-btn:hover {
    color: #158CBA;
    background-color: #f8f9fa;
    border-color: #158CBA;
}

/* 🚨 REGLAS ESTRICTAS DE REORGANIZACIÓN CUANDO EL SIDEBAR SE CONTRÁE SECCIÓN DERECHA */
.sidebar-collapsed .app-topbar {
    padding-left: 55px !important; 
}

/* Contracción física completa del Sidebar izquierdo */
.sidebar-collapsed .app-sidebar {
    width: 0px !important;
    min-width: 0px !important;
    max-width: 0px !important;
    border-right: 0px solid transparent !important;
    overflow: hidden; 
}

/* Reubicación anclada del botón Chevron en el extremo de la pantalla */
.sidebar-collapsed .sidebar-chevron-btn {
    position: fixed !important;
    left: 15px !important;
    right: auto !important;
    top: 22px !important;
    z-index: 1050; 
}

.sidebar-collapsed .sidebar-chevron-btn i {
    transform: rotate(180deg);
}

/* Desvanecimiento y ocultación de textos/hijos del menú colapsado */
.sidebar-collapsed .app-sidebar * {
    opacity: 0 !important;
    visibility: hidden !important;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

/* Excepción forzada para que el Chevron siga viéndose en el colapso absoluto */
.sidebar-collapsed .app-sidebar .sidebar-chevron-btn,
.sidebar-collapsed .app-sidebar .sidebar-chevron-btn i {
    opacity: 1 !important;
    visibility: visible !important;
}


/* ==========================================================================
   ⚙️ 5. SUBMÓDULO DE AJUSTES (SPLIT LAYOUT DE DOS PANELES)
   ========================================================================== */
.settings-grid {
    display: flex;
    gap: 1.5rem;
    align-items: start;
    width: 100%;
}

.settings-sidebar {
    width: 240px;
    min-width: 240px;
    background: #ffffff;
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.settings-content {
    flex-grow: 1;
    min-width: 0; 
}

/* Menú interno de pestañas de ajustes */
.settings-nav .nav-link {
    color: #6c757d;
    padding: 0.7rem 1rem;
    display: flex;
    align-items: center;
    border-radius: 0.375rem;
    margin-bottom: 0.2rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

.settings-nav .nav-link:hover {
    background-color: #f8f9fa;
    color: #158CBA;
}

.settings-nav .nav-link.active {
    background-color: #158CBA !important;
    color: #ffffff !important;
}

.settings-nav .nav-link i {
    width: 20px;
    font-size: 1rem;
}


/* ==========================================================================
   🛠️ 6. UTILIDADES COSMÉTICAS Y MODO OSCURO (BOOTSTRAP 5.3+)
   ========================================================================== */
.hover-bg-light:hover {
    background-color: #f8f9fa;
    color: #158CBA !important;
}

.text-xs {
    font-size: 0.72rem !important;
}

/* Variables e inversiones de paletas para el Modo Nocturno */
[data-bs-theme="dark"] body {
    background-color: #121212 !important;
}

[data-bs-theme="dark"] .app-sidebar,
[data-bs-theme="dark"] .app-topbar,
[data-bs-theme="dark"] .card,
[data-bs-theme="dark"] .settings-sidebar,
[data-bs-theme="dark"] .accordion-button {
    background-color: #1a1a1a !important;
    color: #e0e0e0 !important;
    border-color: #2d2d2d !important;
}

[data-bs-theme="dark"] .sidebar-chevron-btn {
    background-color: #1a1a1a !important;
    border-color: #2d2d2d !important;
    color: #a0a0a0;
}

[data-bs-theme="dark"] .sidebar-nav .nav-link {
    color: #b0b0b0;
}

[data-bs-theme="dark"] .sidebar-nav .nav-link:hover,
[data-bs-theme="dark"] .settings-nav .nav-link:hover {
    background-color: #242424;
    color: #158CBA;
}

[data-bs-theme="dark"] .border-bottom,
[data-bs-theme="dark"] .border-top,
[data-bs-theme="dark"] .border-start,
[data-bs-theme="dark"] .border-end,
[data-bs-theme="dark"] .border {
    border-color: #2d2d2d !important;
}