/* --- Estilos Generales del Contenedor --- */
.sidebar-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
    z-index: 1000; /* Z-index maestro para el contenedor */
}

.desktop-sidebar {
    background: var(--sidebar-bg);
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.2);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    overflow: visible;
    display: flex;
    flex-direction: column;
    color: white;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Sidebar Móvil (dentro de offcanvas) --- */
.mobile-sidebar {
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    color: white;
    overflow-y: auto;
    overflow-x: hidden;
}

/* --- Cabecera y Logo --- */
.sidebar-header {
    padding: 1.5rem 0 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.sidebar-logo-link {
    display: flex;
    justify-content: center;
    max-width: 80%;
}

.sidebar-logo {
    cursor: pointer;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    max-width: 100%;
    height: auto;
    object-fit: contain;
    transform: scale(0.91);
    transition: transform 0.3s ease, filter 0.3s ease;
}

    .sidebar-logo:hover {
        transform: scale(0.95);
    }

/* --- Botón de Toggle --- */
.toggle-btn {
    position: absolute;
    top: 1.5rem;
    right: -15px;
    z-index: 10;
    background: var(--color-primary);
    border: 2px solid white;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

    .toggle-btn:hover {
        background: var(--sidebar-hover);
        transform: scale(1.1);
    }

    .toggle-btn:active {
        transform: scale(0.95);
    }

/* --- Navegación Principal --- */
.sidebar-nav {
    padding: 1rem;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: visible; /* Permite tooltips fuera del eje horizontal */
}

.nav-group {
    position: relative;
    margin-bottom: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 0.15rem 0;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: var(--sidebar-item-bg);
    border: 1px solid transparent;
    font: inherit;
    font-weight: 500;
    text-align: left;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

    /* --- EFECTO HOVER UNIFICADO --- */
    .nav-item:hover {
        background: var(--sidebar-hover);
        color: white;
        transform: translateX(2px);
    }

    .nav-item.active {
        background: var(--sidebar-hover);
        color: white;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        border-color: rgba(255, 255, 255, 0.2);
    }

        .nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 4px;
            background: white;
        }

    .nav-item.submenu-open {
        background: var(--sidebar-hover);
        color: white;
    }

.nav-icon {
    font-size: 1.25rem;
    min-width: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-label {
    font-weight: 500;
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
    margin-left: 0.75rem;
    /* Transición específica para opacidad y ancho */
    transition: opacity 0.3s ease, width 0.3s ease, margin 0.3s ease;
}

.submenu-arrow {
    font-size: 0.9rem;
    transition: transform 0.2s ease;
}

/* --- Contenedor de Submenú (Sidebar expandido) --- */
.submenu-container {
    margin: 0.5rem 0 0 1.5rem;
    padding-left: 0.5rem;
    border-left: 2px solid rgba(255, 255, 255, 0.2);
}

.submenu-item {
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.2rem;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    background: var(--sidebar-subitem-bg);
    display: flex;
    align-items: center;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

    /* --- EFECTO HOVER UNIFICADO --- */
    .submenu-item:hover {
        background: var(--sidebar-hover);
        color: white;
        transform: translateX(3px);
    }

    .submenu-item.active {
        background: var(--sidebar-hover);
        color: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

/* --- Tooltip de Submenú (Sidebar colapsado) --- */
.submenu-tooltip {
    position: absolute;
    left: 75px;
    top: 0;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1100;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: none;
}

/* Tooltip solo se muestra cuando NO hay submenu-container visible (fallback) */

@keyframes fadeInTooltip {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tooltip-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 600;
    color: white;
    font-size: 0.9rem;
}

.tooltip-item {
    padding: 0.6rem 1rem;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background-color 0.2s ease, color 0.2s ease;
}

    /* --- EFECTO HOVER UNIFICADO --- */
    .tooltip-item:hover {
        background: var(--sidebar-hover); /* Consistente con el resto */
        color: white;
    }

    .tooltip-item.active {
        background: var(--sidebar-hover); /* Consistente con el resto */
        font-weight: 600;
        color: white;
    }

/* --- Sección de Usuario --- */
.user-section {
    padding: 1.5rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown {
    position: relative;
}

.user-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--sidebar-item-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: white;
    padding: 0.75rem;
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

    /* --- EFECTO HOVER UNIFICADO --- */
    .user-btn:hover {
        background: var(--sidebar-hover); /* Consistente con el resto */
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-1px);
    }

    .user-btn:focus {
        outline: none;
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
    }

.user-name {
    font-weight: 500;
    /* Transición específica para opacidad y ancho */
    transition: opacity 0.3s ease, width 0.3s ease, margin 0.3s ease;
}

.dropdown-menu {
    background: var(--color-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin-top: 0.5rem;
    min-width: 100%;
}

.dropdown-item {
    color: rgba(255, 255, 255, 0.85);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

    /* --- EFECTO HOVER UNIFICADO --- */
    .dropdown-item:hover,
    .dropdown-item:focus {
        background: var(--sidebar-hover); /* Consistente con el resto */
        color: white;
        outline: none;
    }

.dropdown-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 0;
}

/* --- Estilos del Sidebar Colapsado --- */
.collapsed {
    width: 75px !important;
}

    .collapsed .nav-label,
    .collapsed .user-name {
        opacity: 0;
        width: 0;
        margin: 0;
        padding: 0;
        overflow: hidden;
    }

    .collapsed .sidebar-nav {
        overflow: visible;
    }

    .collapsed .nav-item {
        justify-content: center;
        padding: 0.55rem 0.5rem;
        overflow: visible;
    }

    /* --- Items regulares: expandir botón al hover --- */
    .collapsed .sidebar-nav > div.nav-item:hover {
        width: 220px;
        justify-content: flex-start;
        padding: 0.55rem 0.75rem;
        z-index: 1100;
        background: var(--color-primary);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.15);
        transform: none;
    }

    .collapsed .sidebar-nav > div.nav-item:hover .nav-label {
        opacity: 1;
        width: auto;
        margin-left: 0.75rem;
        overflow: visible;
    }

    /* --- Submenu groups: expandir padre + mostrar hijos al hover --- */
    .collapsed .nav-group:hover {
        z-index: 1100;
    }

    .collapsed .nav-group:hover > button.nav-item {
        width: 220px;
        justify-content: flex-start;
        padding: 0.55rem 0.75rem;
        background: var(--color-primary);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        transform: none;
    }

    .collapsed .nav-group:hover > button.nav-item .nav-label {
        opacity: 1;
        width: auto;
        margin-left: 0.75rem;
        overflow: visible;
    }

    .collapsed .nav-group:hover > .submenu-container {
        display: block !important;
        position: absolute;
        left: 0;
        top: 100%;
        width: 220px;
        margin: 0;
        padding: 0.35rem 0.5rem;
        border-left: none;
        background: var(--color-primary);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-top: none;
        border-bottom-left-radius: var(--radius-sm);
        border-bottom-right-radius: var(--radius-sm);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
        z-index: 1100;
    }

    .collapsed .submenu-container,
    .collapsed .submenu-arrow {
        display: none;
    }

    .collapsed .sidebar-logo {
        max-height: 40px;
        max-width: 45px;
    }

    .collapsed .user-btn {
        justify-content: center;
        gap: 0;
    }


/* --- Scrollbar Personalizado (Invisible) --- */
.sidebar-nav::-webkit-scrollbar {
    width: 0px; /* Hace que el ancho del scrollbar sea 0, volviéndolo invisible */
    background: transparent; /* Asegura que no haya color de fondo visible */
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent; /* Fondo transparente para la pista del scrollbar */
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: transparent; /* Pulgar (el "handle") también transparente */
    border-radius: 0px; /* Opcional: elimina el redondeo si el thumb es invisible */
}

    .sidebar-nav::-webkit-scrollbar-thumb:hover {
        background: transparent; /* Permanece transparente incluso al pasar el ratón */
    }

/* Para Firefox (si es relevante, ya que WebKit es lo más común) */
.sidebar-nav {
    scrollbar-width: none; /* 'none' oculta el scrollbar, 'auto' lo muestra, 'thin' es delgado */
    scrollbar-color: transparent transparent; /* El pulgar y la pista se hacen transparentes */
}

/* --- Accesibilidad y Estados Adicionales --- */
.nav-item:focus,
.submenu-item:focus,
.toggle-btn:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.nav-item.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* --- Contenido Principal y Responsive --- */
.content {
    /* TRANSICIÓN ESPECÍFICA para el margen al colapsar/expandir */
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 768px) {
    .desktop-sidebar {
        display: none;
    }

    .content {
        margin-left: 0 !important;
    }
}
.desktop-sidebar.collapsed .nav-link:hover {
    width: 12rem; /* ancho “abierto” */
}

    .desktop-sidebar.collapsed .nav-link:hover .nav-label {
        display: inline-block; /* reaparece el texto */
        margin-left: 0.5rem;
    }