/* ==========================================================================
   Layout (Estructura Principal: Sidebar, Top Header, Contenido)
   ========================================================================== */

@import 'variables.css';

/* ----------------------------------------------------------------------
      Contenedor Maestro (CSS Grid Layout)
      ---------------------------------------------------------------------- */
.dashboard-wrapper {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--header-height) 1fr;
    grid-template-areas:
        "sidebar header"
        "sidebar main";
    min-height: 100vh;
    transition: grid-template-columns var(--transition-normal);
}

/* Estado colapsado del sidebar (opcional para el futuro/responsive) */
.dashboard-wrapper.sidebar-collapsed {
    grid-template-columns: var(--sidebar-width-collapsed) 1fr;
}

/* ----------------------------------------------------------------------
      Sidebar (Navegación Lateral Institucional)
      ---------------------------------------------------------------------- */
.sidebar {
    grid-area: sidebar;
    background: var(--primary-gradient);
    color: var(--text-on-primary);
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 24px rgba(10, 37, 64, 0.4);
    z-index: 1000;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--transition-normal), left var(--transition-normal);
    /* Ocultar scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sidebar::-webkit-scrollbar {
    display: none;
}



/* Elemento decorativo: Fondo Geométrico Animado dentro del Sidebar */
.sidebar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 65%);
    animation: rotate-slow 35s linear infinite;
    z-index: 0;
    pointer-events: none;
}

/* Grilla Técnica en Sidebar */
.sidebar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.05;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.2) 2px, transparent 2px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.2) 2px, transparent 2px);
    background-size: 50px 50px;
}

@keyframes rotate-slow {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}


.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1.5rem;
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1;
    /* Por encima de la geometría */
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1;
    overflow-y: auto;
    /* Ocultar scrollbar */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sidebar-nav::-webkit-scrollbar {
    display: none;
}


.nav-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-on-primary);
    transform: translateX(4px);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -1rem;
    /* Al borde del sidebar */
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 4px;
    background-color: var(--accent);
    border-radius: 0 4px 4px 0;
    box-shadow: 2px 0 8px rgba(0, 229, 255, 0.5);
    /* Glowing effect */
}

.nav-item span {
    white-space: nowrap;
    transition: opacity var(--transition-fast), width var(--transition-fast);
}

/* Estado Colapsado (Desktop) */
.sidebar-collapsed .sidebar {
    width: var(--sidebar-width-collapsed);
}

.sidebar-brand span {
    transition: opacity var(--transition-fast);
}

.sidebar-collapsed .sidebar-brand span,
.sidebar-collapsed .nav-item span {
    opacity: 0;
    pointer-events: none;
    width: 0;
}


.sidebar-collapsed .sidebar-brand {
    font-size: 0;
}

.sidebar-collapsed .sidebar-brand::after {
    content: 'S';
    font-size: 2rem;
    font-weight: 800;
}

.nav-icon {
    font-size: 1.25rem;
    min-width: 1.5rem;
    text-align: center;
}


/* ----------------------------------------------------------------------
      Top Header (Glassmorphism sutil)
      ---------------------------------------------------------------------- */
.top-header {
    grid-area: header;
    background-color: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 50;
    position: sticky;
    top: 0;
}

/* Migas de pan (Breadcrumbs) para contexto */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.breadcrumb strong {
    color: var(--text-primary);
}

/* Menú de Usuario Header */
.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.user-profile:hover {
    background-color: var(--border-subtle);
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
}

/* ----------------------------------------------------------------------
      Contenido Principal
      ---------------------------------------------------------------------- */
.main-content {
    grid-area: main;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--header-height));
    overflow-x: hidden;
    background-color: #F8FAFC;
}

.content-body {
    flex: 1;
    padding: 2rem;
}

/* Footer Institucional */
.main-footer {
    background-color: white;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

/* Overlay para móvil */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 5, 15, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}


/* ----------------------------------------------------------------------
      Responsive (Móviles y Tablets)
      ---------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .dashboard-wrapper {
        grid-template-columns: 1fr;
        grid-template-areas:
            "header"
            "main";
    }

    .sidebar {
        position: fixed;
        left: -100%;
        /* Oculto por defecto en móvil */
        top: 0;
        bottom: 0;
        width: var(--sidebar-width);
        transition: left var(--transition-normal);
    }

    .sidebar.open {
        left: 0;
    }

    .top-header {
        padding: 0 0.5rem;
    }

    .main-content {
        padding: 0;
    }

    .content-body {
        padding: 1rem 0.5rem;
    }

    /* Hamburguesa para móviles (mostramos en < 1024px) */
    .mobile-menu-btn {
        display: block;
    }
}

.mobile-menu-btn {
    display: block;
    /* Siempre visible para permitir colapsar */
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    margin-right: 1rem;
    transition: color 0.2s;
}

.mobile-menu-btn:hover {
    color: var(--primary-light);
}