/**
 * Menu Lateral Responsivo - CSS
 * Versão 2.0 - Mobile First
 * 
 * Otimizado para:
 * - Performance
 * - Responsividade
 * - Acessibilidade
 * - Touch devices
 */

/* ==================== VARIÁVEIS - TEMA CLARO ==================== */
:root {
    --menu-largura: 350px;
    --menu-bg: #f8f9fc;
    --menu-bg-hover: #f0f4ff;
    --menu-texto: #1f2937;
    --menu-texto-muted: #374151;
    --menu-borda: #d4d9e3;
    --menu-accent: #4f8ef7;
    --menu-accent-hover: #3b82f6;
    --favorito-cor: #ff9500;
    --favorito-bg: #fffaf0;
    --favorito-hover: #fff5e6;
    --sombra: 0 2px 12px rgba(0,0,0,0.08);
    --transicao: 0.3s ease;
}

/* ==================== RESET E BASE ==================== */
.menu-lateral-container {
    position: relative;
    z-index: 1060;
}

.menu-lateral {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 100vh;
    background: linear-gradient(180deg, #f8f9fc 0%, #eef2f7 100%);
    overflow-x: hidden;
    overflow-y: auto;
    transition: width var(--transicao);
    box-shadow: 4px 0 24px rgba(79, 142, 247, 0.15);
    z-index: 1060;
}

/* ==================== CABEÇALHO ==================== */
.menu-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    border-bottom: 2px solid var(--menu-accent);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(79, 142, 247, 0.1);
}

.menu-busca {
    flex: 1;
    position: relative;
}

.menu-busca-input {
    width: 100%;
    padding: 11px 38px 11px 14px;
    border: 2px solid var(--menu-borda);
    border-radius: 8px;
    font-size: 14px;
    background: white;
    color: var(--menu-texto);
    transition: all var(--transicao);
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.menu-busca-input:focus {
    outline: none;
    border-color: var(--menu-accent);
    box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15), 0 4px 8px rgba(0,0,0,0.08);
    background: white;
}

.menu-busca-input::placeholder {
    color: var(--menu-texto-muted);
    opacity: 0.7;
}

.menu-busca-icone {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--menu-accent);
    pointer-events: none;
    font-size: 15px;
}

.menu-btn-expandir {
    padding: 11px 14px;
    background: var(--menu-accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transicao);
    box-shadow: 0 2px 6px rgba(79, 142, 247, 0.3);
}

.menu-btn-expandir:hover {
    background: var(--menu-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 142, 247, 0.4);
}

.menu-btn-expandir:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(79, 142, 247, 0.2);
}

.menu-btn-expandir i {
    font-size: 14px;
}

/* ==================== LISTA DE MENUS ==================== */
.menu-lista {
    padding: 12px 0;
}

.menu-secao {
    margin: 4px 8px;
    border-radius: 8px;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    overflow: hidden;
}

.menu-secao-header {
    display: flex;
    align-items: center;
    padding: 15px 16px;
    cursor: pointer;
    transition: all var(--transicao);
    user-select: none;
    background: linear-gradient(135deg, #fefeff 0%, #f8fbff 100%);
}

.menu-secao-header:hover {
    background: linear-gradient(135deg, #f5f9ff 0%, #ebf4ff 100%);
    padding-left: 20px;
}

.menu-icone {
    font-size: 17px;
    color: var(--menu-accent);
    margin-right: 12px;
    flex-shrink: 0;
    opacity: 0.8;
}

.menu-secao-header:hover .menu-icone {
    opacity: 1;
    transform: scale(1.1);
}

.menu-secao-titulo {
    flex: 1;
    font-size: 15px;
    font-weight: 700;
    color: #2c3e50;
    letter-spacing: 0.3px;
}

.menu-seta {
    font-size: 12px;
    color: var(--menu-accent);
    transition: transform var(--transicao);
    opacity: 0.7;
}

.menu-secao-header:hover .menu-seta {
    opacity: 1;
}

.menu-secao.expandido .menu-seta {
    transform: rotate(180deg);
}

/* ==================== ITENS DO MENU ==================== */
.menu-secao-itens {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: linear-gradient(180deg, #fafbfd 0%, #f5f7fb 100%);
}

.menu-secao.expandido .menu-secao-itens {
    max-height: 2000px;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 8px 12px 8px 48px;
    position: relative;
    transition: all var(--transicao);
    margin: 2px 10px;
    border-left: 3px solid transparent;
    border-radius: 6px;
    background: linear-gradient(135deg, #ffffff 0%, #fbfcfe 100%);
    min-height: 38px;
}

.menu-item:hover {
    background: linear-gradient(135deg, #f5f9ff 0%, #ebf4ff 100%);
    border-left-color: var(--menu-accent);
    padding-left: 52px;
    box-shadow: 0 2px 6px rgba(79, 142, 247, 0.10);
}

.menu-item-favorito {
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    margin: auto;
    font-size: 15px;
    color: #d1d5db;
    cursor: pointer;
    transition: all var(--transicao);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-item-favorito:hover {
    color: var(--favorito-cor);
    transform: scale(1.2);
    filter: drop-shadow(0 0 4px rgba(255, 149, 0, 0.4));
}

.menu-item-favorito.ativo {
    color: var(--favorito-cor);
    filter: drop-shadow(0 0 4px rgba(255, 149, 0, 0.3));
}

.menu-item-link {
    flex: 1;
    color: #2c3e50;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transicao);
    line-height: 1.5;
    display: flex;
    align-items: center;
}

.menu-item-link:hover {
    color: #1a202c;
    text-decoration: none;
    font-weight: 600;
}

/* ==================== FAVORITOS ==================== */
.favoritos-secao {
    background: linear-gradient(135deg, #fffcf7 0%, #fffaf5 100%);
    border: 2px solid rgba(255, 149, 0, 0.3);
    border-radius: 10px;
    margin: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(255, 149, 0, 0.08);
}

.favoritos-secao .menu-secao-header {
    background: linear-gradient(135deg, rgba(255, 149, 0, 0.06) 0%, rgba(255, 149, 0, 0.03) 100%);
    border-bottom: 1px solid rgba(255, 149, 0, 0.12);
}

.favoritos-secao .menu-secao-header:hover {
    background: linear-gradient(135deg, rgba(255, 149, 0, 0.10) 0%, rgba(255, 149, 0, 0.05) 100%);
}

.favoritos-secao .menu-secao-titulo {
    color: #2c3e50;
    font-weight: 700;
}

.favoritos-secao .menu-icone {
    color: var(--favorito-cor);
    animation: pulse 2s infinite;
}

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

.favorito-item {
    background: linear-gradient(135deg, #fffefb 0%, #fffcf7 100%);
    margin: 2px 10px;
    padding: 8px 12px 8px 48px;
    border-left: 3px solid rgba(255, 149, 0, 0.5);
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(255, 149, 0, 0.06);
    min-height: 38px;
    display: flex;
    align-items: center;
    position: relative;
}

.favorito-item:hover {
    background: linear-gradient(135deg, #fff9f5 0%, #fff5eb 100%);
    border-left-width: 4px;
    border-left-color: var(--favorito-cor);
    padding-left: 52px;
    box-shadow: 0 2px 6px rgba(255, 149, 0, 0.12);
}

.favorito-item .menu-item-favorito {
    color: var(--favorito-cor);
    left: 18px;
    top: 0;
    bottom: 0;
    margin: auto;
}

.favorito-item .menu-item-link {
    color: #2c3e50;
    font-weight: 600;
}

.favorito-item .menu-item-link:hover {
    color: #1a202c;
}

/* ==================== SEPARADOR ==================== */
.menu-separador {
    height: 2px;
    background: linear-gradient(90deg, var(--favorito-cor) 0%, rgba(255, 149, 0, 0.3) 50%, transparent 100%);
    margin: 12px 16px;
    opacity: 0.4;
    border-radius: 2px;
}

/* ==================== OVERLAY ==================== */
.menu-lateral-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.4);
    z-index: 1049;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transicao), visibility var(--transicao);
    pointer-events: none;
}

.menu-lateral-overlay.ativo {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ==================== ESTADOS ==================== */
body.menu-lateral-aberto #conteudoEstruturaGerencia {
    transition: margin-left var(--transicao);
}

/* ==================== SCROLLBAR ==================== */
.menu-lateral::-webkit-scrollbar {
    width: 6px;
}

.menu-lateral::-webkit-scrollbar-track {
    background: var(--menu-bg-hover);
}

.menu-lateral::-webkit-scrollbar-thumb {
    background: var(--menu-borda);
    border-radius: 3px;
}

.menu-lateral::-webkit-scrollbar-thumb:hover {
    background: var(--menu-texto-muted);
}

/* ==================== RESPONSIVIDADE ==================== */

/* Mobile Pequeno (0-599px) */
@media screen and (max-width: 599px) {
    .menu-lateral {
        width: 0 !important;
        background: linear-gradient(180deg, #fafbfd 0%, #f5f8fc 100%) !important;
        z-index: 1060 !important;
    }
    
    .menu-lateral[style*="width: 90%"] {
        width: 90% !important;
    }
    
    /* Garantir que o menu fique visível */
    .menu-lateral-container {
        z-index: 1060 !important;
    }
    
    .menu-header {
        padding: 12px;
        flex-wrap: wrap;
    }
    
    .menu-busca {
        width: 100%;
        margin-bottom: 8px;
    }
    
    .menu-busca-input {
        font-size: 16px; /* Previne zoom no iOS */
        padding: 12px 40px 12px 14px;
    }
    
    .menu-btn-expandir {
        width: 100%;
        padding: 12px;
    }
    
    .menu-secao-header {
        padding: 12px 14px;
    }
    
    /* Garantir fundo claro nos itens expandidos */
    .menu-secao-itens {
        background: linear-gradient(180deg, #fcfdfe 0%, #f8fafe 100%) !important;
    }
    
    .menu-item {
        padding: 9px 12px 9px 46px;
        min-height: 44px; /* Touch target */
        margin-left: 12px;
        align-items: center;
        background: linear-gradient(135deg, #ffffff 0%, #fafcfe 100%) !important;
    }
    
    .menu-item:hover {
        background: linear-gradient(135deg, #f5f9ff 0%, #ebf4ff 100%) !important;
        padding-left: 50px;
    }
    
    .favorito-item {
        padding: 9px 12px 9px 46px;
        margin-left: 12px;
        background: linear-gradient(135deg, #fffefb 0%, #fffcf8 100%) !important;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .favorito-item:hover {
        background: linear-gradient(135deg, #fff9f5 0%, #fff5eb 100%) !important;
        padding-left: 50px;
    }
    
    .menu-item-favorito {
        left: 16px;
        top: 0;
        bottom: 0;
        margin: auto;
        font-size: 15px;
        width: 26px;
        height: 26px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .menu-item-favorito:hover {
        transform: scale(1.2);
    }
    
    .menu-item-link {
        font-size: 15px;
        line-height: 1.5;
        display: flex;
        align-items: center;
    }
}

/* Mobile Médio (600-767px) */
@media screen and (min-width: 600px) and (max-width: 767px) {
    .menu-lateral {
        background: linear-gradient(180deg, #fafbfd 0%, #f5f8fc 100%) !important;
        z-index: 1060 !important;
    }
    
    .menu-lateral[style*="width: 90%"] {
        width: 70% !important;
        max-width: 380px;
    }
    
    /* Garantir fundo claro */
    .menu-secao-itens {
        background: linear-gradient(180deg, #fcfdfe 0%, #f8fafe 100%) !important;
    }
    
    .menu-item {
        min-height: 42px;
        padding: 9px 12px 9px 48px;
        margin-left: 10px;
        background: linear-gradient(135deg, #ffffff 0%, #fafcfe 100%) !important;
        display: flex;
        align-items: center;
    }
    
    .menu-item:hover {
        background: linear-gradient(135deg, #f5f9ff 0%, #ebf4ff 100%) !important;
        padding-left: 52px;
    }
    
    .favorito-item {
        padding: 9px 12px 9px 48px;
        margin-left: 10px;
        background: linear-gradient(135deg, #fffefb 0%, #fffcf8 100%) !important;
        min-height: 42px;
        display: flex;
        align-items: center;
    }
    
    .favorito-item:hover {
        background: linear-gradient(135deg, #fff9f5 0%, #fff5eb 100%) !important;
        padding-left: 52px;
    }
    
    .menu-item-favorito {
        left: 17px;
        top: 0;
        bottom: 0;
        margin: auto;
        width: 26px;
        height: 26px;
    }
    
    .menu-item-favorito:hover {
        transform: scale(1.2);
    }
    
    .menu-item-link {
        line-height: 1.5;
        display: flex;
        align-items: center;
    }
}

/* Tablet (768-999px) */
@media screen and (min-width: 768px) and (max-width: 999px) {
    .menu-lateral {
        background: linear-gradient(180deg, #fafbfd 0%, #f5f8fc 100%) !important;
        z-index: 1060 !important;
    }
    
    .menu-lateral[style*="width: 90%"] {
        width: 60% !important;
        max-width: 400px;
    }
    
    /* Garantir fundo claro */
    .menu-secao-itens {
        background: linear-gradient(180deg, #fcfdfe 0%, #f8fafe 100%) !important;
    }
    
    .menu-item {
        padding: 9px 14px 9px 50px;
        margin-left: 10px;
        background: linear-gradient(135deg, #ffffff 0%, #fafcfe 100%) !important;
        min-height: 40px;
        display: flex;
        align-items: center;
    }
    
    .menu-item:hover {
        background: linear-gradient(135deg, #f5f9ff 0%, #ebf4ff 100%) !important;
        padding-left: 54px;
    }
    
    .favorito-item {
        padding: 9px 14px 9px 50px;
        margin-left: 10px;
        background: linear-gradient(135deg, #fffefb 0%, #fffcf8 100%) !important;
        min-height: 40px;
        display: flex;
        align-items: center;
    }
    
    .favorito-item:hover {
        background: linear-gradient(135deg, #fff9f5 0%, #fff5eb 100%) !important;
        padding-left: 54px;
    }
    
    .menu-item-favorito {
        left: 18px;
        top: 0;
        bottom: 0;
        margin: auto;
    }
    
    .menu-item-favorito:hover {
        transform: scale(1.2);
    }
    
    .menu-item-link {
        line-height: 1.5;
        display: flex;
        align-items: center;
    }
}

/* Desktop (1000px+) */
@media screen and (min-width: 1000px) {
    .menu-lateral {
        top: 60px;
        height: calc(100vh - 40px);
    }
    
    .menu-lateral[style*="width: 350px"] {
        width: var(--menu-largura) !important;
    }
    
    .menu-lateral-overlay {
        display: none;
    }
    
    body.menu-lateral-aberto #conteudoEstruturaGerencia {
        margin-left: var(--menu-largura);
    }
    
    /* Garantir margem e alinhamento em desktop também */
    .menu-item {
        margin: 2px 10px;
        padding: 8px 12px 8px 48px;
        min-height: 36px;
    }
    
    .menu-item:hover {
        padding-left: 52px;
    }
    
    .favorito-item {
        margin: 2px 10px;
        padding: 8px 12px 8px 48px;
        min-height: 36px;
    }
    
    .favorito-item:hover {
        padding-left: 52px;
    }
    
    .menu-item-link {
        display: flex;
        align-items: center;
        line-height: 1.5;
    }
}

/* Landscape em mobile/tablet */
@media screen and (max-width: 999px) and (orientation: landscape) {
    .menu-lateral {
        background: linear-gradient(180deg, #fafbfd 0%, #f5f8fc 100%) !important;
    }
    
    .menu-lateral[style*="width: 90%"] {
        width: 50% !important;
        max-width: 350px;
    }
    
    .menu-secao-header {
        padding: 10px 14px;
    }
    
    /* Garantir fundo claro */
    .menu-secao-itens {
        background: linear-gradient(180deg, #fcfdfe 0%, #f8fafe 100%) !important;
    }
    
    .menu-item {
        padding: 7px 12px 7px 44px;
        min-height: 36px;
        margin-left: 10px;
        align-items: center;
        background: linear-gradient(135deg, #ffffff 0%, #fafcfe 100%) !important;
        display: flex;
    }
    
    .menu-item:hover {
        background: linear-gradient(135deg, #f5f9ff 0%, #ebf4ff 100%) !important;
        padding-left: 48px;
    }
    
    .favorito-item {
        padding: 7px 12px 7px 44px;
        margin-left: 10px;
        background: linear-gradient(135deg, #fffefb 0%, #fffcf8 100%) !important;
        min-height: 36px;
        display: flex;
        align-items: center;
    }
    
    .favorito-item:hover {
        background: linear-gradient(135deg, #fff9f5 0%, #fff5eb 100%) !important;
        padding-left: 48px;
    }
    
    .menu-item-favorito {
        left: 15px;
        top: 0;
        bottom: 0;
        margin: auto;
        width: 24px;
        height: 24px;
        font-size: 14px;
    }
    
    .menu-item-favorito:hover {
        transform: scale(1.2);
    }
    
    .menu-item-link {
        font-size: 14px;
        line-height: 1.4;
        display: flex;
        align-items: center;
    }
}

/* ==================== ACESSIBILIDADE ==================== */
.menu-secao-header:focus,
.menu-item-link:focus,
.menu-item-favorito:focus {
    outline: 2px solid var(--menu-accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==================== DARK MODE SUPPORT ==================== */
@media (prefers-color-scheme: dark) {
    :root {
        --menu-bg: #1e1e1e;
        --menu-bg-hover: #2d2d2d;
        --menu-texto: #e0e0e0;
        --menu-texto-muted: #9e9e9e;
        --menu-borda: #404040;
        --favorito-bg: #2d2408;
    }
}

/* ==================== ANIMAÇÕES ==================== */
@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.menu-lateral[style*="width: "] {
    animation: slideIn 0.3s ease;
}