/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    min-height: 100vh;
}

/* Botão toggle para mobile */
#sidebarToggle {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1050;
    border-radius: 5px;
    padding: 10px 12px;
    background: #343a40;
    border: none;
    color: white;
    transition: background 0.3s;
}

#sidebarToggle:hover {
    background: #23272b;
}

#sidebarToggle.active {
    background: #dc3545;
}

/* Sidebar Principal */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: #343a40;
    transition: left 0.3s ease;
    z-index: 1040;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar.show {
    left: 0;
}

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

.sidebar::-webkit-scrollbar-track {
    background: #495057;
}

.sidebar::-webkit-scrollbar-thumb {
    background: #6c757d;
    border-radius: 3px;
}

/* Header do Sidebar */
.sidebar-heading {
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
    padding: 20px 0;
    border-bottom: 1px solid #495057;
    margin-bottom: 10px;
    text-align: center;
}

/* Botão de collapse desktop */
#sidebarCollapseDesktop {
    color: #adb5bd;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
}

#sidebarCollapseDesktop:hover {
    color: white;
}

/* Navegação */
.nav {
    padding: 0;
}

.nav-item {
    margin: 3px 10px;
}

/* Links de navegação */
.nav-link {
    color: #adb5bd;
    padding: 12px 15px;
    border-radius: 5px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    text-decoration: none;
    font-weight: 500;
}

.nav-link:hover {
    color: white;
    background: #495057;
}

.nav-link.active {
    background: #007bff;
    color: white;
}

/* Ícones */
.nav-link i {
    width: 20px;
    font-size: 1rem;
    margin-right: 10px;
}

/* Dropdown toggle */
.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    border: none;
    float: right;
    margin-left: auto;
    transition: transform 0.3s;
}

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

/* Submenu */
.submenu {
    background: #495057;
    border-radius: 5px;
    margin: 5px 0;
}

.submenu .nav-link {
    padding: 10px 15px 10px 40px;
    font-size: 0.9rem;
    margin: 2px 5px;
}

.submenu .nav-link:hover {
    background: #6c757d;
}

/* Logout */
.nav-item1 {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #495057;
}

.nav-item1 .nav-link {
    color: #dc3545;
}

.nav-item1 .nav-link:hover {
    background: #dc3545;
    color: white;
}

/* Main content */
main {
    margin-left: 0;
    transition: margin-left 0.3s;
    min-height: 100vh;
    padding-top: 60px;
}

/* Desktop */
@media (min-width: 768px) {
    #sidebarToggle {
        display: none;
    }
    
    .sidebar {
        left: 0;
    }
    
    main {
        margin-left: 280px;
        padding-top: 20px;
    }
    
    /* Estado colapsado */
    .sidebar.collapsed {
        width: 70px;
    }
    
    .sidebar.collapsed .sidebar-heading span,
    .sidebar.collapsed .nav-link span {
        display: none;
    }
    
    .sidebar.collapsed .nav-link {
        justify-content: center;
        padding: 12px;
    }
    
    .sidebar.collapsed .nav-link i {
        margin-right: 0;
    }
    
    .sidebar.collapsed .submenu {
        display: none;
    }
    
    main.sidebar-collapsed {
        margin-left: 70px;
    }
}

/* Mobile */
@media (max-width: 767.98px) {
    .sidebar {
        width: 280px;
    }
    
    main {
        margin-left: 0;
    }
}