/* ================================================================
   03-MENU-LATERAL.css - SIDEBAR COMPLETO GRIZALUM
   Todo lo relacionado con el menú lateral: navegación, brand, etc.
   ================================================================ */

/* ===== SIDEBAR PRINCIPAL ===== */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(255, 255, 255, 0.9) 100%);
    backdrop-filter: var(--backdrop-blur);
    box-shadow: var(--shadow-2xl);
    border-right: 1px solid var(--glass-border);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    overflow-y: auto;
    transition: transform var(--transition-normal);
}

/* ===== HEADER DEL SIDEBAR ===== */
.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--glass-border);
    background: var(--gradient-gold);
    color: white;
    position: relative;
    overflow: hidden;
}

/* ===== BRAND DE LA EMPRESA ===== */
.company-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.brand-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    color: white;
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.brand-icon:hover {
    transform: scale(1.05) rotate(5deg);
    background: rgba(255, 255, 255, 0.3);
}

.brand-text h1 {
    font-size: var(--text-xl);
    font-weight: 900;
    margin-bottom: 2px;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.brand-text p {
    font-size: var(--text-sm);
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.8);
}

/* ===== RESUMEN FINANCIERO ===== */
.financial-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.summary-item {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.summary-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.summary-label {
    display: block;
    font-size: var(--text-xs);
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

.summary-value {
    font-size: var(--text-sm);
    font-weight: 700;
    color: white;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

/* ===== NAVEGACIÓN ===== */
.nav-menu {
    padding: var(--spacing-lg);
}

.nav-section {
    margin-bottom: var(--spacing-xl);
}

.nav-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-sm);
}

.nav-item {
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    color: var(--gray-600);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--gradient-gold);
    transition: width var(--transition-normal);
    border-radius: 0 4px 4px 0;
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--peru-gold);
    transform: translateX(4px);
}

.nav-link:hover::before {
    width: 4px;
}

.nav-link.active {
    background: linear-gradient(135deg, var(--peru-gold) 0%, var(--peru-gold-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateX(2px);
}

.nav-link.active::before {
    width: 4px;
    background: rgba(255, 255, 255, 0.3);
}

.nav-link.active:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-lg);
}

.nav-icon {
    width: 18px;
    text-align: center;
    font-size: 16px;
    transition: all var(--transition-normal);
}

.nav-link:hover .nav-icon {
    transform: scale(1.1);
}

.nav-link.active .nav-icon {
    color: white;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* ===== EFECTOS ESPECIALES ===== */

/* Brillo sutil en el header */
.sidebar-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.1), 
        transparent);
    animation: sidebarShimmer 4s infinite;
}

@keyframes sidebarShimmer {
    0% { left: -100%; }
    50% { left: -100%; }
    100% { left: 100%; }
}

/* Indicador de sección activa */
.nav-section.active .nav-section-title {
    color: var(--peru-gold);
}

.nav-section.active .nav-section-title i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ===== SCROLLBAR SIDEBAR ===== */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    transition: background var(--transition-normal);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--peru-gold);
}

/* ===== RESPONSIVE MÓVIL ===== */

/* Overlay para móvil cuando el sidebar está abierto */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(2px);
}

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

/* Estados del sidebar en móvil */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 1100;
        width: 100vw;
        max-width: 320px;
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 
            var(--shadow-2xl),
            20px 0 40px rgba(0, 0, 0, 0.3);
    }
    
    /* Animación de entrada en móvil */
    .sidebar.open {
        animation: sidebarSlideIn 0.3s ease-out;
    }
    
    @keyframes sidebarSlideIn {
        from {
            transform: translateX(-100%);
            opacity: 0.8;
        }
        to {
            transform: translateX(0);
            opacity: 1;
        }
    }
    
    /* Ajustes para pantallas pequeñas */
    .sidebar-header {
        padding: var(--spacing-lg);
    }
    
    .financial-summary {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .nav-menu {
        padding: var(--spacing-md);
    }
    
    .brand-text h1 {
        font-size: var(--text-lg);
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* ===== MÓVIL PEQUEÑO ===== */
@media (max-width: 575px) {
    .sidebar {
        max-width: 100vw;
    }
    
    .sidebar-header {
        padding: var(--spacing-md);
    }
    
    .company-brand {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .brand-icon {
        width: 60px;
        height: 60px;
        font-size: var(--text-2xl);
    }
    
    .financial-summary {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .summary-item {
        padding: var(--spacing-sm);
    }
    
    .summary-value {
        font-size: var(--text-xs);
    }
}

/* ===== SIDEBAR CERRADO (MINI MODE) ===== */
.sidebar.mini {
    width: 70px;
    overflow: visible;
}

.sidebar.mini .sidebar-header {
    padding: var(--spacing-md);
}

.sidebar.mini .company-brand {
    flex-direction: column;
    gap: 0;
}

.sidebar.mini .brand-text {
    display: none;
}

.sidebar.mini .financial-summary {
    display: none;
}

.sidebar.mini .nav-section-title {
    display: none;
}

.sidebar.mini .nav-link {
    padding: var(--spacing-md);
    justify-content: center;
}

.sidebar.mini .nav-link span {
    display: none;
}

.sidebar.mini .nav-icon {
    width: auto;
    font-size: 18px;
}

/* Tooltip para sidebar mini */
.sidebar.mini .nav-link {
    position: relative;
}

.sidebar.mini .nav-link:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-800);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    font-size: var(--text-xs);
    white-space: nowrap;
    z-index: 1001;
    opacity: 0;
    animation: tooltipShow 0.2s ease forwards;
}

@keyframes tooltipShow {
    to { opacity: 1; }
}

/* ===== PRINT STYLES ===== */
@media print {
    .sidebar {
        display: none !important;
    }
    
    .sidebar-overlay {
        display: none !important;
    }
}

/* ===== SIDEBAR TEMAS DINÁMICOS ===== */

/* Base para temas dinámicos que se aplicarán desde motor-temas.js */
.sidebar[data-theme] {
    transition: all var(--transition-slow);
}

.sidebar[data-theme] .sidebar-header {
    position: relative;
    z-index: 1;
}

.sidebar[data-theme] .nav-link.active {
    position: relative;
    overflow: hidden;
}

.sidebar[data-theme] .nav-link.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: inherit;
}

/* ===== ACCESIBILIDAD ===== */
.nav-link:focus {
    outline: 2px solid var(--peru-gold);
    outline-offset: 2px;
}

.sidebar[aria-hidden="true"] {
    pointer-events: none;
}

/* Reducir movimiento para usuarios sensibles */
@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .nav-link,
    .brand-icon {
        transition: none !important;
        animation: none !important;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    .sidebar {
        background: white;
        border-right: 2px solid black;
    }
    
    .nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link.active {
        background: black;
        color: white;
        border-color: black;
    }
}