/* RESET E ESTILOS GLOBAIS */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: #0f172a; /* Dark Mode moderno */
    color: #f8fafc;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    padding-left: 240px; /* Recuo para a Sidebar no PC */
}

/* SIDEBAR DESKTOP */
.sidebar-desktop {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background-color: #1e293b;
    border-right: 1px solid #334155;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.brand-logo {
    text-align: center;
    margin-bottom: 32px;
}

.main-logo {
    max-width: 160px;
    height: auto;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #94a3b8;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: #334155;
    color: #38bdf8;
}

/* BARRA INFERIOR MOBILE (PWA / App) */
.mobile-bottom-bar {
    display: none;
}

/* RESPONSIVIDADE PARA CELULAR (< 768px) */
@media (max-width: 768px) {
    body {
        padding-left: 0;
        padding-bottom: 70px; /* Espaço para não cobrir o conteúdo final */
    }

    .sidebar-desktop {
        display: none; /* Esconde a sidebar no Celular */
    }

    .mobile-bottom-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 60px;
        background-color: #1e293b;
        border-top: 1px solid #334155;
        justify-content: space-around;
        align-items: center;
        z-index: 999;
    }

    .mobile-item {
        font-size: 24px;
        text-decoration: none;
        color: #94a3b8;
        padding: 8px;
        transition: color 0.2s;
    }

    .mobile-item:active,
    .mobile-item:focus {
        color: #38bdf8;
    }
}