/*--------------------------------------------------------------
# 1. VARIÁVEIS & BASE
--------------------------------------------------------------*/
:root {
    --primary-color:    #0a58ca; 
    --primary-hover:    #004494;
    --secondary-color:  #212529;
    --secondary-hover:  #000000;
    --highlight-color:  #0d6efd;
    --accent-color:     #0d6efd;
    --background-body:  #f8f9fa; 
    --background-header:#ffffff;
    --heading-color:    #000000; 
    --body-color:       #333333; 
    --text-light:       #ffffff;
    --border-color:     #e9ecef;
    --card-shadow:      0 0.5rem 1rem rgba(0, 0, 0, 0.05);

    --sidebar-width: 270px;
    --header-height: 70px; 
}

html, body {
    background-color: var(--background-body);
    color: var(--body-color);
    font-family: "Poppins", sans-serif;
    overflow-x: hidden;
}

/*--------------------------------------------------------------
# 2. NAVBAR DA DASHBOARD
--------------------------------------------------------------*/
.custom-navbar {
    background-color: var(--background-header);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height); 
    margin-left: var(--sidebar-width); 
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    z-index: 1030;
}

/*--------------------------------------------------------------
# 3. SIDEBAR DA DASHBOARD
--------------------------------------------------------------*/
.custom-sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: var(--background-header);
    border-right: 1px solid var(--border-color);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-in-out; 
}

.sidebar-header {
    height: var(--header-height); 
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--primary-color) !important;
}

.dropdown-icon {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

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

.custom-sidebar .nav-title {
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: #6c757d; 
}

.custom-sidebar .nav-link {
    color: var(--body-color);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1.2rem; 
    margin-bottom: 0.2rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease-in-out;
}

.custom-sidebar .nav-link:hover,
.custom-sidebar .nav-link:focus {
    color: var(--primary-color);
    background-color: rgba(10, 88, 202, 0.05); 
}

.custom-sidebar .nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(10, 88, 202, 0.1);
    font-weight: 600;
}

.sidebar-submenu .nav-link {
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    background-color: transparent !important;
}

.sidebar-submenu .nav-link:hover,
.sidebar-submenu .nav-link.active {
    color: var(--accent-color) !important;
    font-weight: 600;
}

/*--------------------------------------------------------------
# 4. CONTEÚDO PRINCIPAL
--------------------------------------------------------------*/
main {
    margin-left: var(--sidebar-width); 
    padding: 2.5rem; 
    transition: all 0.3s ease;
    background-color: var(--background-body);
}

.dash-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--heading-color);
    letter-spacing: -1px;
}

.dash-subtitle {
    font-size: 0.9rem;
    color: var(--body-color);
    opacity: 0.8;
}

/*--------------------------------------------------------------
# 5. RESPONSIVIDADE (MOBILE)
--------------------------------------------------------------*/
@media (max-width: 768px) {

    .custom-sidebar {
        transform: translateX(-100%); 
    }
    
    .custom-sidebar.show-sidebar {
        transform: translateX(0); 
    }

    .custom-navbar, main {
        margin-left: 0; 
    }

    main {
        padding: 1.5rem; 
    }

    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.4);
        z-index: 1035; 
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

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