/**
 * EPI Digital - Estilos Globais
 * Layout Tablet-First com Bootstrap 5
 */

/* ========== VARIÁVEIS CSS ========== */
:root {
    --header-height: 60px;
    --sidebar-width: 260px;
    --primary-color: #0d6efd;
    --sidebar-bg: #212529;
    --sidebar-text: #ffffff;
    --sidebar-hover: #343a40;
    --main-bg: #f8f9fa;
}

/* ========== RESET E BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--main-bg);
    overflow-x: hidden;
    /* Ocultar inicialmente para prevenir "piscada" durante verificação de auth */
    display: none;
}

/* ========== NAVBAR SUPERIOR ========== */
.app-navbar {
    height: var(--header-height);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.app-menu-btn {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========== SIDEBAR (OFFCANVAS) ========== */
.sidebar {
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    width: var(--sidebar-width) !important;
}

.sidebar-header {
    background-color: var(--primary-color);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 1rem;
}

.sidebar-header .offcanvas-title {
    color: white;
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem 1.5rem; /* 16px para facilitar toque em mobile */
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    background-color: var(--sidebar-hover);
    color: white;
    border-left-color: var(--primary-color);
}

.sidebar-nav .nav-link.active {
    background-color: var(--sidebar-hover);
    color: white;
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
}

.sidebar-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 0.5rem 1rem;
}

/* Scrollbar personalizada para sidebar */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ========== CONTEÚDO PRINCIPAL ========== */
.app-main {
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    padding: 2rem;
    transition: margin-left 0.3s ease;
}

/* ========== MEDIA QUERIES ========== */

/* Desktop (>= 992px) - Sidebar Fixa */
@media (min-width: 992px) {
    .sidebar {
        transform: none !important;
        visibility: visible !important;
        top: var(--header-height) !important;
        width: var(--sidebar-width) !important;
        bottom: 0;
        position: fixed;
        z-index: 1020;
    }

    /* Remover backdrop no desktop */
    .offcanvas-backdrop {
        display: none !important;
    }

    /* Remover botão de fechar no desktop */
    .sidebar-header .btn-close {
        display: none !important;
    }

    /* Espaço de respiro no topo da sidebar no desktop (compensar header oculto) */
    .offcanvas-body {
        padding-top: 1.5rem;
    }

    /* Conteúdo principal com margem para sidebar */
    .app-main {
        margin-left: var(--sidebar-width);
    }
}

/* Mobile/Tablet (< 992px) - Offcanvas Padrão */
@media (max-width: 991.98px) {
    .app-main {
        margin-left: 0;
        padding: 1rem;
    }

    /* Garantir que o offcanvas funcione normalmente em mobile */
    .sidebar {
        /* Bootstrap cuida do comportamento padrão */
    }
}

/* Mobile Pequeno (< 576px) */
@media (max-width: 575.98px) {
    .app-main {
        padding: 0.75rem;
    }

    .sidebar-nav .nav-link {
        padding: 1rem 1.25rem;
    }
}