/* ==========================================================================
   Sidebar Lateral y Layout Profesional, Responsivo y Premium
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Medidas del Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 85px;
    --topbar-height: 70px;

    /* Tipografía */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Outfit', system-ui, -apple-system, sans-serif;

    /* Paleta de Colores - Sidebar Blanco y Azul */
    --sidebar-bg-start: #ffffff;       
    --sidebar-bg-end: #f8fafc;         
    --sidebar-color: #475569;          /* Slate 600 */
    --sidebar-color-light: #1e293b;    /* Slate 800 */
    --sidebar-hover-bg: #eff6ff;       /* Blue 50 */
    --sidebar-hover-color: #1d4ed8;    /* Blue 700 */
    
    /* Estado Activo: Gradiente Azul primario */
    --sidebar-active-bg: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --sidebar-active-color: #ffffff;
    --sidebar-active-glow: rgba(37, 99, 235, 0.35);
    --sidebar-border-color: #e2e8f0;   /* Slate 200 */

    /* Topbar y Contenido */
    --topbar-bg: rgba(255, 255, 255, 0.8);
    --topbar-border: rgba(226, 232, 240, 0.8); /* Slate 200 */
    --body-bg: #f8fafc;                /* Slate 50 */
    --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Animaciones */
    --transition-speed: 0.3s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Estilos Base del Documento
   ========================================================================== */
body {
    margin: 0;
    padding: 0;
    background-color: var(--body-bg);
    font-family: var(--font-primary);
    color: #1e293b; /* Slate 800 */
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .sidebar-brand {
    font-family: var(--font-display);
}

/* Ajustes globales de scroll */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==========================================================================
   SIDEBAR (MENÚ LATERAL)
   ========================================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--sidebar-bg-start) 0%, var(--sidebar-bg-end) 100%);
    color: var(--sidebar-color);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 24px rgba(15, 23, 42, 0.15);
    z-index: 1040;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--transition-speed) var(--transition-timing), left var(--transition-speed) var(--transition-timing);
    border-right: 1px solid var(--sidebar-border-color);
}

/* Ocultar scrollbar secundario en sidebar */
.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
}
.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* Header del Sidebar */
.sidebar-header {
    padding: 24px 20px;
    height: var(--topbar-height);
    border-bottom: 1px solid var(--sidebar-border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--sidebar-color-light);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    transition: color 0.2s ease;
}

.sidebar-brand:hover {
    color: var(--sidebar-hover-color);
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
    background-color: transparent;
    border: 1px solid var(--sidebar-border-color);
}

.btn-close-sidebar {
    background: transparent;
    border: 1px solid var(--sidebar-border-color);
    color: var(--sidebar-color);
    font-size: 1.25rem;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-close-sidebar:hover {
    color: var(--sidebar-hover-color);
    background: var(--sidebar-hover-bg);
}

/* ==========================================================================
   NAVEGACIÓN Y MENÚS
   ========================================================================== */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-section {
    margin-bottom: 16px;
}

.nav-section-title {
    padding: 0 24px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #64748b; /* Slate 500 */
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    transition: opacity 0.2s ease;
}

/* Enlaces y Triggers de Grupo */
.nav-item, 
.nav-group-trigger {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    margin: 2px 14px;
    border-radius: 8px;
    color: var(--sidebar-color);
    text-decoration: none;
    font-size: 0.925rem;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    border: none;
    outline: none;
    transition: all 0.2s ease;
}

.nav-item i,
.nav-group-trigger i:first-child {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.nav-item span,
.nav-group-trigger span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity 0.2s var(--transition-timing);
}

/* Hover e Interacciones */
.nav-item:hover,
.nav-group-trigger:hover {
    background-color: var(--sidebar-hover-bg);
    color: var(--sidebar-hover-color);
}

.nav-item:hover i,
.nav-group-trigger:hover i:first-child {
    transform: scale(1.1);
}

/* Estado Activo */
.nav-item.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-color);
    box-shadow: 0 4px 14px var(--sidebar-active-glow);
    font-weight: 600;
}

.nav-item.active i {
    color: var(--sidebar-active-color);
}

/* Estilos de Submenú / Acordeón */
.nav-group {
    display: flex;
    flex-direction: column;
}

.nav-group-trigger {
    width: calc(100% - 28px);
}

.arrow-icon {
    font-size: 0.75rem;
    transition: transform var(--transition-speed) var(--transition-timing);
}

.nav-group-trigger[aria-expanded="true"] {
    color: var(--sidebar-color-light);
    background-color: var(--sidebar-hover-bg);
}

.nav-group-trigger[aria-expanded="true"] .arrow-icon {
    transform: rotate(180deg);
}

.nav-group-items {
    padding-left: 12px;
    margin-top: 2px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-group-items .nav-item {
    padding: 8px 16px;
    margin: 1px 14px;
    font-size: 0.875rem;
}

.nav-group-trigger.active-parent {
    color: var(--sidebar-hover-color);
    background-color: rgba(29, 78, 216, 0.05);
}

/* ==========================================================================
   Sidebar Footer
   ========================================================================== */
.sidebar-footer {
    padding: 16px 14px;
    border-top: 1px solid var(--sidebar-border-color);
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.sidebar-footer .footer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    border-radius: 8px;
    color: var(--sidebar-color);
    text-decoration: none;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.925rem;
    width: 100%;
    text-align: left;
    transition: all 0.2s ease;
}

.sidebar-footer .footer-item i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer .footer-item:hover,
.sidebar-footer .footer-item:focus {
    background-color: var(--sidebar-hover-bg);
    color: var(--sidebar-hover-color);
    outline: none;
}

.sidebar-footer .dropdown-toggle::after {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.sidebar-footer .show.dropdown-toggle::after {
    transform: rotate(180deg);
}

/* ==========================================================================
   TOPBAR (BARRA SUPERIOR)
   ========================================================================== */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--topbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--topbar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 999;
    box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
    transition: left var(--transition-speed) var(--transition-timing);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sidebar-toggle {
    background: #f1f5f9; /* Slate 100 */
    border: 1px solid #e2e0e0;
    font-size: 1.3rem;
    color: #475569; /* Slate 600 */
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    color: #4f46e5;
    background: #e0e7ff; /* Indigo 100 */
    border-color: #c7d2fe;
}

.topbar-title {
    font-weight: 700;
    color: #0f172a; /* Slate 900 */
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    font-family: var(--font-display);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ==========================================================================
   MAIN CONTENT & FOOTER
   ========================================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height));
    transition: margin-left var(--transition-speed) var(--transition-timing);
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    padding: 30px;
    flex: 1;
}

footer {
    margin-left: var(--sidebar-width);
    padding: 20px 30px;
    background: #ffffff;
    border-top: 1px solid #f1f5f9;
    transition: margin-left var(--transition-speed) var(--transition-timing);
}

/* OVERLAY PARA CERRAR EN MÓVIL */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    z-index: 1030;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-speed) ease;
}

.sidebar-overlay.show {
    opacity: 1;
    pointer-events: all;
}

/* ==========================================================================
   ESTADO COLAPSADO (DESKTOP MINI-SIDEBAR)
   ========================================================================== */
body.sidebar-collapsed {
    --sidebar-width: var(--sidebar-collapsed-width);
}

/* Ocultar elementos de texto */
body.sidebar-collapsed .brand-text,
body.sidebar-collapsed .nav-item span,
body.sidebar-collapsed .nav-group-trigger span,
body.sidebar-collapsed .nav-section-title,
body.sidebar-collapsed .footer-item span,
body.sidebar-collapsed .dropdown-toggle::after,
body.sidebar-collapsed .btn-close-sidebar {
    opacity: 0;
    visibility: hidden;
    width: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

/* Ajustes de layout del sidebar en modo colapsado */
body.sidebar-collapsed .sidebar-header {
    justify-content: center;
    padding: 15px 0;
}

body.sidebar-collapsed .sidebar-brand {
    justify-content: center;
}

body.sidebar-collapsed .nav-item,
body.sidebar-collapsed .nav-group-trigger,
body.sidebar-collapsed .footer-item {
    justify-content: center;
    padding: 12px 0;
    margin: 4px 14px;
}

body.sidebar-collapsed .nav-item i,
body.sidebar-collapsed .nav-group-trigger i:first-child,
body.sidebar-collapsed .footer-item i {
    font-size: 1.35rem;
    margin: 0;
}

/* Ocultar submenús colapsados en modo mini */
body.sidebar-collapsed .nav-group .collapse {
    display: none !important;
}

body.sidebar-collapsed .nav-group-trigger .arrow-icon {
    display: none !important;
}

/* ==========================================================================
   DISEÑOS COMPONENTES GENERALES Y MEJORAS VISUALES
   ========================================================================== */

/* Cards KPI Premium */
.card-kpi {
    border: 1px solid #f1f5f9;
    border-left: 4px solid #4f46e5; /* Accent Indigo */
    border-radius: 12px;
    background: #ffffff;
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-kpi:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
}

/* Tablas profesionales */
.table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.table thead {
    background: #f8fafc;
    color: #475569;
}

.table thead th {
    border-bottom: 2px solid #e2e8f0;
    padding: 14px 16px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
    font-size: 0.9rem;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: #f8fafc;
}

/* Badges de Estado */
.badge-estado {
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 30px;
    padding: 5px 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Breadcrumbs Premium */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: #64748b; /* Slate 500 */
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    color: #cbd5e1; /* Slate 300 */
    padding-right: 8px;
}

.breadcrumb-item a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: #4f46e5;
}

.breadcrumb-item.active {
    color: #0f172a;
    font-weight: 600;
}

/* Alertas de estilo */
.alert {
    border-radius: 12px;
    border: 1px solid transparent;
    padding: 16px 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert .btn-close {
    margin-left: auto;
    padding: 0.5rem;
}

.alert-success {
    background-color: #ecfdf5;
    border-color: #a7f3d0;
    color: #065f46;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

/* ==========================================================================
   RESPONSIVIDAD Y ADAPTABILIDAD
   ========================================================================== */

/* Breakpoint para pantallas medianas (Tablets) */
@media (max-width: 991.98px) {
    :root {
        --sidebar-width: 0px;
        --sidebar-collapsed-width: 0px;
    }

    body.sidebar-collapsed {
        --sidebar-width: 0px;
    }

    .sidebar {
        width: 280px;
        left: -280px;
    }

    /* Mostrar sidebar en celular deslizándose */
    body.sidebar-mobile-show .sidebar {
        left: 0;
        width: 280px;
    }

    /* Ajustar topbar y contenido */
    .topbar {
        left: 0;
        padding: 0 20px;
    }

    .main-content, 
    footer {
        margin-left: 0;
    }

    .topbar-title {
        font-size: 1.1rem;
    }

    /* Mostrar botón para cerrar sidebar en celular */
    .btn-close-sidebar {
        display: block;
    }
}

/* Breakpoint para celulares pequeños */
@media (max-width: 575.98px) {
    .sidebar {
        width: 260px;
    }
    
    body.sidebar-mobile-show .sidebar {
        width: 260px;
    }

    .topbar {
        padding: 0 15px;
    }

    .topbar-title {
        font-size: 1rem;
    }

    .content-wrapper {
        padding: 20px 15px;
    }
}

/* Impresión */
@media print {
    .sidebar,
    .topbar,
    .sidebar-overlay,
    footer {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        margin-top: 0 !important;
    }
}

/* ==========================================================================
   TAMAÑO DE FUENTE DINÁMICA (UI)
   ========================================================================== */
html.font-size-s { 
    font-size: 10.5px !important; 
}
html.font-size-m { 
    font-size: 12px !important; /* Mismo que el base de site.css */
}
html.font-size-l { 
    font-size: 13.5px !important; 
}