/* ==========================================================================
   AdminLTE refinado · Paleta Netlatin
   Reemplaza los estilos `.menuu` legacy del CSS anterior.
   ========================================================================== */

:root {
    /* Paleta Netlatin */
    --brand-50:  #eef2f9;
    --brand-100: #d6e0ee;
    --brand-200: #adc1de;
    --brand-300: #7d99c5;
    --brand-400: #4f74ad;
    --brand-500: #2a5495;
    --brand-600: #204080;   /* base */
    --brand-700: #1a3469;
    --brand-800: #142852;
    --brand-900: #0e1c3b;

    /* Sidebar dark theme */
    --sidebar-bg:        #1a2542;   /* azul navy oscuro, derivado del brand */
    --sidebar-bg-hover:  #243153;
    --sidebar-bg-active: var(--brand-600);
    --sidebar-text:      #cfd6e4;
    --sidebar-text-dim:  #8b95a8;
    --sidebar-text-active: #ffffff;
    --sidebar-divider:   rgba(255, 255, 255, 0.06);

    /* Topbar */
    --topbar-bg:     #ffffff;
    --topbar-border: #e2e8f0;
    --topbar-text:   #334155;

    /* Sombras y radios */
    --shadow-sidebar: 4px 0 12px rgba(15, 23, 42, 0.08);
    --shadow-card:    0 1px 2px rgba(15, 23, 42, 0.06);
    --radius-sm: 6px;
    --radius-md: 10px;

    /* Transiciones */
    --t-fast: 0.15s ease;
    --t-medium: 0.25s ease;
}

/* --------------------------------------------------------------------------
   1. Top navbar
   -------------------------------------------------------------------------- */
.main-header.navbar {
    background: var(--topbar-bg) !important;
    border-bottom: 1px solid var(--topbar-border);
    box-shadow: var(--shadow-card);
    padding: 0.5rem 1rem;
    min-height: 56px;
}

.main-header .nav-link {
    color: var(--topbar-text) !important;
    border-radius: var(--radius-sm);
    transition: background var(--t-fast);
}

.main-header .nav-link:hover {
    background: var(--brand-50);
    color: var(--brand-700) !important;
}

/* User menu en el topbar */
.main-header .user-menu .nav-link {
    display: flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
}

.main-header .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.main-header .dropdown-menu {
    border: 1px solid var(--topbar-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
    padding: 0.35rem;
    min-width: 200px;
}

.main-header .dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    transition: background var(--t-fast);
}

.main-header .dropdown-item:hover {
    background: var(--brand-50);
    color: var(--brand-700);
}

/* --------------------------------------------------------------------------
   2. Sidebar
   -------------------------------------------------------------------------- */
.main-sidebar.sidebar-dark-primary {
    background: var(--sidebar-bg) !important;
    box-shadow: var(--shadow-sidebar);
}

.main-sidebar .brand-link {
    background: var(--sidebar-bg) !important;
    border-bottom: 1px solid var(--sidebar-divider) !important;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--sidebar-text-active) !important;
    text-decoration: none;
    transition: background var(--t-fast);
}

.main-sidebar .brand-link:hover {
    background: var(--sidebar-bg-hover) !important;
}

.main-sidebar .brand-image {
    height: 36px;
    width: auto;
    margin: 0;
    float: none;
    background: #fff;
    padding: 4px;
    border-radius: 6px;
}

.main-sidebar .brand-text {
    font-family: 'Manrope', system-ui, sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    color: #fff;
    margin: 0;
}

/* --------------------------------------------------------------------------
   3. User panel del sidebar
   -------------------------------------------------------------------------- */
.main-sidebar .user-panel {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--sidebar-divider);
    margin: 0;
}

.main-sidebar .user-panel-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Manrope', sans-serif;
    font-weight: 600;
    font-size: 1rem;
}

.main-sidebar .user-panel-info { flex: 1; min-width: 0; overflow: hidden; }

.main-sidebar .user-panel-name {
    color: #fff;
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-sidebar .user-panel-role {
    color: var(--sidebar-text-dim);
    font-size: 0.75rem;
    margin-top: 0.15rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.main-sidebar .user-panel-role .text-success {
    color: #10b981 !important;
    font-size: 0.5rem;
}

/* --------------------------------------------------------------------------
   4. Menú del sidebar
   -------------------------------------------------------------------------- */
.main-sidebar .nav-sidebar {
    padding: 0.5rem;
}

.main-sidebar .nav-sidebar .nav-item {
    margin: 0.1rem 0;
}

.main-sidebar .nav-sidebar .nav-link {
    color: var(--sidebar-text) !important;
    border-radius: var(--radius-sm) !important;
    padding: 0.55rem 0.85rem !important;
    font-size: 0.9rem;
    transition: background var(--t-fast), color var(--t-fast);
    display: flex;
    align-items: center;
}

.main-sidebar .nav-sidebar .nav-link:hover {
    background: var(--sidebar-bg-hover) !important;
    color: var(--sidebar-text-active) !important;
}

.main-sidebar .nav-sidebar .nav-link.active {
    background: var(--sidebar-bg-active) !important;
    color: var(--sidebar-text-active) !important;
    box-shadow: 0 2px 6px rgba(32, 64, 128, 0.4);
}

.main-sidebar .nav-sidebar .nav-icon {
    width: 20px;
    text-align: center;
    margin-right: 0.7rem;
    font-size: 0.95rem;
    color: var(--sidebar-text-dim);
    transition: color var(--t-fast);
}

.main-sidebar .nav-sidebar .nav-link:hover .nav-icon,
.main-sidebar .nav-sidebar .nav-link.active .nav-icon {
    color: var(--sidebar-text-active);
}

.main-sidebar .nav-sidebar .nav-link p {
    margin: 0;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Flecha de submenú */
.main-sidebar .nav-sidebar .nav-link p .right {
    font-size: 0.75rem;
    transition: transform var(--t-medium);
    color: var(--sidebar-text-dim);
}

.main-sidebar .nav-sidebar .menu-open > .nav-link p .right {
    transform: rotate(-90deg);
    color: var(--sidebar-text-active);
}

/* --------------------------------------------------------------------------
   5. Treeview (submenús)
   -------------------------------------------------------------------------- */
.main-sidebar .nav-treeview {
    padding-left: 0;
    margin: 0.25rem 0 0.5rem 0;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-sm);
}

.main-sidebar .nav-treeview .nav-link {
    padding: 0.45rem 0.85rem 0.45rem 2.4rem !important;
    font-size: 0.825rem;
    color: var(--sidebar-text-dim) !important;
}

.main-sidebar .nav-treeview .nav-link:hover {
    background: rgba(255, 255, 255, 0.04) !important;
    color: var(--sidebar-text-active) !important;
}

.main-sidebar .nav-treeview .nav-link.active {
    background: rgba(32, 64, 128, 0.5) !important;
    color: #fff !important;
    box-shadow: none;
}

.main-sidebar .nav-treeview .nav-icon {
    font-size: 0.55rem;
    width: 12px;
    margin-right: 0.5rem;
    color: var(--sidebar-text-dim);
}

/* --------------------------------------------------------------------------
   6. Sidebar collapsed (cuando se oculta)
   -------------------------------------------------------------------------- */
.sidebar-collapse .main-sidebar .brand-text,
.sidebar-collapse .main-sidebar .user-panel-info,
.sidebar-collapse .main-sidebar .nav-link p {
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-fast), visibility var(--t-fast);
}

/* --------------------------------------------------------------------------
   7. Helper: centrado (reemplaza el <style> inline)
   -------------------------------------------------------------------------- */
.centrado {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* --------------------------------------------------------------------------
   8. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    .main-sidebar {
        margin-left: -250px;
        transition: margin-left var(--t-medium);
    }
    .sidebar-open .main-sidebar {
        margin-left: 0;
    }
    .main-sidebar .user-panel,
    .main-sidebar .brand-link {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* --------------------------------------------------------------------------
   9. Scrollbar fina dentro del sidebar
   -------------------------------------------------------------------------- */
.main-sidebar .sidebar {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.main-sidebar .sidebar::-webkit-scrollbar { width: 6px; }
.main-sidebar .sidebar::-webkit-scrollbar-track { background: transparent; }
.main-sidebar .sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}
.main-sidebar .sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* --------------------------------------------------------------------------
   10. Footer (reemplaza el <style> inline que estaba en footer.inc.php)
   -------------------------------------------------------------------------- */
.main-footer {
    padding: 14px 20px;
    background: #ffffff;
    border-top: 1px solid var(--topbar-border);
    color: #64748b;
    font-size: 0.875rem;
    /* Sin position: fixed: deja que AdminLTE maneje el flujo natural
       y el footer aparezca al final del content-wrapper */
}

.main-footer a { color: var(--brand-600); }
.main-footer a:hover { color: var(--brand-700); }

/* Asegurar que el content-wrapper tenga altura mínima
   para que el footer quede al final aún con poco contenido */
.content-wrapper {
    min-height: calc(100vh - 56px); /* 56px = altura del navbar */
    background: #f8fafc;
    padding: 1.5rem;
}