/* corpo geral */
body{
    padding-bottom: 40px;
    margin:0;
    font-family: 'Inter', sans-serif;;
    font-size: 16px;
    line-height: 1.6;
}

/* barra superior */
.topbar {
    background:#ffffff;
    height:50px;
    display:flex;
    align-items:center;
    padding: 10px;
}

.topbar .logo{
    color: rgb(0, 0, 0);
}

/* botão do menu */
#menuBtn{
    background:none;
    border:none;
    color:rgb(0, 0, 0);
    font-size:22px;
    cursor:pointer;
    margin-right:10px;
}

/* botão fechar menu */
#closeBtn{
    position:absolute;
    top:10px;
    left:10px;
    background:none;
    border:none;
    color:rgb(255, 255, 255);
    font-size:22px;
    cursor:pointer;
}

/* barra lateral */
#sidebar{
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    position:fixed;
    top:0;
    left:0; /* ou pode remover */
    width:280px;
    height:100%;
    background:#000;
    color:white;
    transform:translateX(-280px);
    transition:transform 0.3s ease;
    padding-top:50px;
    z-index:1000;
    overflow-y:auto;
    overflow-x:hidden;
    scrollbar-width: auto;
    scrollbar-color: #888 #111;
    -webkit-overflow-scrolling: touch; /* ESSENCIAL no mobile */
}

#sidebar::-webkit-scrollbar{
    width:10px;
}
#sidebar::-webkit-scrollbar-track{
    background:#111;
}

#sidebar::-webkit-scrollbar-thumb{
    background:#888;
    border-radius:5px;
}
#sidebar::-webkit-scrollbar-thumb:hover{
    background:#bbb;
}

#sidebar.open{
    transform:translateX(0);
}

.sidebar-header{
    padding:15px 20px;
    font-family: 'Inter', sans-serif;
    letter-spacing: +0.5px;
    font-size:22px;
    border-bottom:1px solid #222;
}

.sidebar-header .logo{
    color: white;
}

/* celular → esconde header na sidebar */
.sidebar-header{
    display:none;
}

/* modo desktop */
@media (min-width:1200px){
    body {
        margin-left:280px;
    }
    .topbar{
        display:none;
    }
    .layout {
        display: flex;
    }
    main {
        flex: 1;
        padding: 20px;
    }
    #sidebar{
        transform:translateX(0); /* ESSENCIAL */
    }
    /* desktop → mostra header na sidebar */
    .sidebar-header{
        display:block;
    }
    #overlay{
        display:none !important;
    }
    #menuBtn,
    #closeBtn{
        display:none;
    }
}

/* overlay do menu*/
#overlay{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.5);
    display:none;
    z-index:900;
}


/* menu */
.menu{
    list-style:none;
    padding:0;
    margin:0;
}

/* item ativo */
.menu a.active,
.menu a.hover {
    color:#c084fc;
    font-weight:bold;
}

.menu-link{
    display:flex;
    align-items:center;
    gap:10px;
    padding:6px 18px;
    cursor:pointer;
    line-height:1.2;
}

.menu-link a{
    color:white;
    text-decoration:none;
    flex: 1;
    display: block;
    width: 100%;
}

/* seta */
.arrow{
    /* seta tradicional */
    /*width:8px;
    height:8px;
    min-width:8px;
    border-right:3px solid white;
    border-bottom:3px solid white;
    transform:rotate(45deg); */

    /* seta nova */
    font-weight:bold;
    font-size: 17px;
    transform: rotate(-180deg);

    transition:transform 0.25s, border-color 0.25s;
    cursor:pointer;
}

/* hover */
.menu-link:hover a,
.menu-link:hover .arrow{
    color:#c084fc;
    border-color:#c084fc;
}

/* itens sem submenu */
.arrow.empty{
    border: none;
    visibility: hidden;
}

/* seta drop aberto */
.menu-item.open > .menu-link > .arrow{
    transform:rotate(0deg);
    font-size: 17px;
}

/* submenus */
.submenu{
    font-size: 15px;
    padding-left: 30px;
    max-height: 0;
    overflow:hidden;
    transition:max-height 0.3s ease;
}

/* abrir */
.menu-item.open > .submenu{
    max-height: 2000px;
    margin-bottom: 10px;
}

.no-link{
    cursor:pointer;
}

/* títulos das páginas */
h1 {
    font-size: 2rem;
    letter-spacing: +0.5px;
    font-weight: 300;
    color: #9c22c2; /* roxo (combina com seu hover) */
    margin-top: 20px;
    margin-bottom: 40px;
    text-align: center;
}

/* subtítuloas das páginas */
h1 {
    letter-spacing: +0.5px;
    color: #9c22c2; /* roxo (combina com seu hover) */
    margin-top: 20px;
    margin-bottom: 40px;
    text-align: center;
}

/* subtítulos das páginas */
h2 {
    font-size: 1.5rem;
    font-weight: 100;
    margin-bottom: 40px;
    text-align: center;
}

/* títulos do texto */
h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 15px;
}

/* seta do menu da página*/
.toggle-arrow {
    transform: rotate(-180deg);
    transition: transform 0.3s;
    font-size: 18px;
    font-weight: bolder;
    color:#9c22c2;
}

/* menu aberto */
[aria-expanded="true"] .toggle-arrow {
    transform: rotate(0deg);
}

.toggle-arrow:hover {
    font-size: 20px;
}

/* item do menu da página */
.titulo_assunto{
    color: #9c22c2;
    cursor: pointer;
    user-select: none;
}

.titulo_assunto:hover {
    font-weight: bold;
}

/* links do menu da página */
.link_assunto{
    font-size: 14px;
    color:#9c22c2;
    text-decoration: none;
}

.link_assunto:hover{
    font-weight: bold;
}

/* links para mudar de página */
.virapagina{
    font-size: 28px;
    font-weight: bold;
    color:#9c22c2;
    text-decoration: none;
}

.virapagina:hover{
    color:#9c22c2;
    font-size: 30px;
}

/* links gerais */
a {
    color:#9c22c2;
    text-decoration: none;
}

a:hover {
    font-weight: bold;
}

/* rodapé das páginas */
#footer{
    font-family: 'Inter', sans-serif;
    font-size: small;
}

/* manter proporação das imagens dos cubos geradas por js */
.img-cubo {
  width: 100%;
  aspect-ratio: 1 / 1.42;
  overflow: hidden;
}

.img-cubo > * {
  width: 100%;
  height: 100%;
}

/* Parágrafos com abas retráteis */
.toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
    cursor: pointer;
    font-size: 20px;
    transform: rotate(-180deg);
    font-weight: bold;
}

.toggle-icon.rotate {
    transform: rotate(0deg);
}

.toggle-icon:hover {
    color:#9c22c2;
}