* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'arial', sans-serif;
}

body {
    height: 100vh;
    background-color: white;
}

/* DARK MODE */
body.dark-mode {
    background-color: #121212;
    color: #e0e0e0; /* Cor do texto principal no modo escuro */
}

body.dark-mode .btn-perfil {
    color: #e0e0e0; /* Ícone de perfil no modo escuro */
}

body.dark-mode .card {
    background-color: #1e1e1e;
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.1); /* Sombra mais clara */
}

body.dark-mode .card h2,
body.dark-mode .card p {
    color: #e0e0e0; /* Títulos e parágrafos dos cards no modo escuro */
}

body.dark-mode .card-btn,
body.dark-mode .card1-btn {
    background-color: #333;
    color: #e0e0e0;
}

body.dark-mode .card-btn:hover,
body.dark-mode .card1-btn:hover {
    background-color: #555;
}

body.dark-mode .modal-content {
    background: #2c2c2c;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

body.dark-mode .modal-content header {
    color: #e0e0e0;
    border-bottom-color: #e0e0e0;
}

body.dark-mode .modal-content label {
    color: #e0e0e0;
}

body.dark-mode .modal-content input,
body.dark-mode .modal-content select {
    background-color: #3a3a3a;
    border: 1px solid #555;
    color: #e0e0e0;
}

body.dark-mode .modal-content select option {
    background-color: #3a3a3a;
    color: #e0e0e0;
}

body.dark-mode .radio-label {
    color: #e0e0e0;
}

body.dark-mode .custom-radio {
    background-color: #3a3a3a;
    border-color: #555;
}

body.dark-mode .radio-label input[type="radio"]:checked + .custom-radio {
    background-color: #8bb3ff; /* Um azul mais claro para o modo escuro */
    box-shadow: 0 0 0 1px rgba(139, 179, 255, 0.5);
}

body.dark-mode .btn-cancel {
    background-color: #444;
    color: #e0e0e0;
}

body.dark-mode .btn-cancel:hover {
    background-color: #666;
}

body.dark-mode .btn-check {
    color: #8bb3ff;
}

body.dark-mode .btn-check:hover {
    color: #aaccff;
}

/*Configuração do perfil*/
.btn-perfil {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    background-color: transparent;
    transition: 0.3s;
    font-size: 45px;
    color: black;
}

/* Estilo da área principal */
.conteudo-principal {
    margin-left: 100px;
    padding: 60px 40px;
    transition: margin-left 0.2s ease; /* Transição suave */
}

/* Ajusta o container quando o menu está expandido */
.menu-lateral.expandir ~ .conteudo-principal {
    margin-left: 240px; /* Espaço para o menu expandido */
}

/* Container dos cards */
.cards-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Estilo de cada card */
.card {
    background-color: #f4f4f3;
    border-radius: 25px;
    padding: 90px 50px;
    max-width: 300px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    margin-top: 100px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card h2 {
    font-size: 20px;
    margin-bottom: 15px;
    color: black;
}

.card p {
    font-size: 14px;
    color: #333;
    margin-bottom: 25px;
}

/* Botões dos cards */
.card-btn {
    background-color: black;
    color: white;
    border: none;
    padding: 10px 25px;
    font-weight: bold;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: auto; /* Adicionado para empurrar o botão para o fundo */
}

.card-btn:hover {
    background-color: #333; /* Cor mais clara no hover */
}

.card1-btn {
    background-color: black;
    color: white;
    border: none;
    padding: 10px 25px;
    font-weight: bold;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: auto; /* Alterado de 32px para auto */
}

.card1-btn:hover {
    background-color: #333; /* Cor mais clara no hover */
}

/* ---------------- MODAL DO CARD 3 ------------------- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: #fff;
    padding: 50px 30px;
    border-radius: 12px;
    width: 500px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    position: relative;    
    padding-bottom: 70px; /* espaço para o botão não sobrepor conteúdo */
}

.modal-content header {
    font-weight: bold;
    font-size: 19px;
    margin-top: -20px;
    border-bottom: 2px solid black;
    width: 30%; /* Largura da linha */
    padding-bottom: 3px; /* Espaço entre o título e a linha */
    margin-bottom: 20px; /* Espaço entre o título e o conteúdo de baixo */
}

.modal-content label {
    display: block;
    margin: 10px 0 8px 20px; /* margem superior, 0, margem inferior, margem esquerda */
}

/*estilo caixa de texto e combobox*/
.modal-content input,
.modal-content select {
    width: 84%;
    margin: 0 0 3px 20px; /* margem inferior e esquerda */
    padding: 5px;
    border-radius: 4px;
    border: 1px solid #c4ceec;
    background-color: #c4ceec;
}

/*cor das opcoes da combobox aberta!*/
.modal-content select option {
    background-color: white;
    color: black;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 10px; /* espaço controlado abaixo */
}

/* texto do rbtn*/
.radio-label {
    align-items: center;
    font-size: 16px;
    position: relative;
    padding-left: 30px; 
    color: black;
    /*margin-left: 100px;
    margin-top: -35px;*/
    margin: 0;
}

/* Esconde o radio original */
.radio-label input[type="radio"] {
  opacity: 0;
  position: absolute;
}

/* rbtn */
.custom-radio {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 18px;
  width: 18px;
  background-color: white;
  border: 2px solid #c4ceec;
  border-radius: 50%;
  transition: all 0.2s;
}

/* rbtn quando selecionado */
.radio-label input[type="radio"]:checked + .custom-radio {
  background-color: #6b9cff;
  box-shadow: 0 0 0 1px rgba(196, 206, 236);
}

.modal-buttons {
  position: absolute;
  bottom: 20px;
  right: 30px;
  display: flex;
  gap: 15px;
  align-items: center;
}

.btn-cancel {
  background-color: #ccc;
  color: #333;
  border: none;
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}

.btn-cancel:hover {
  background-color: #bbb;
}

.btn-check {
    /*position: absolute;
    bottom: 20px;
    right: 30px;*/

    color: #6b9cff;
    font-size: 35px;
    cursor: pointer;
    transition: color 0.3s;
}

.btn-check:hover {
  color: #5a8cff;
}

/* ---------------- FIM MODAL DO CARD 3 ------------------- */


/* Media queries para design responsivo */
@media (max-width: 768px) {
    .conteudo-principal {
        margin-left: 80px; /* Espaço menor para o menu fechado em telas pequenas */
        padding: 40px 20px;
    }
    
    .menu-lateral.expandir ~ .conteudo-principal {
        margin-left: 220px; /* Espaço menor para o menu expandido em telas pequenas */
    }
    
    .cards-container {
        gap: 20px;
    }
    
    .card {
        padding: 60px 30px;
        max-width: 250px;
    }
}

@media (max-width: 576px) {
    .conteudo-principal {
        margin-left: 70px; /* Espaço ainda menor para o menu fechado em telas muito pequenas */
        padding: 30px 15px;
    }
    
    .menu-lateral.expandir ~ .conteudo-principal {
        margin-left: 210px; /* Espaço ainda menor para o menu expandido em telas muito pequenas */
    }
    
    .cards-container {
        flex-direction: column;
        align-items: center;
    }
    
    .card {
        max-width: 100%;
        width: 100%;
        margin-top: 50px;
    }
}



/* ===== VISIBILIDADE DASHBOARD CSS - INICIO ===== */

.dashboard-visibility-box{
    display:flex;
    align-items:center;
    justify-content:center;
    flex-wrap:wrap;
    gap:8px;
    margin:14px 0 10px;
    padding:8px;
    border-radius:18px;
    background:#f3f4f6;
}

.dashboard-visibility-box span{
    font-size:13px;
    font-weight:900;
    color:#374151;
}

.dashboard-visibility-option{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    min-height:34px;
    padding:8px 11px;
    border-radius:999px;
    background:#ffffff;
    color:#111827;
    font-size:13px;
    font-weight:900;
    cursor:pointer;
    border:1px solid transparent;
    user-select:none;
}

.dashboard-visibility-option input{
    display:none;
}

.dashboard-visibility-option.active{
    background:#7494ec;
    color:#ffffff;
    border-color:#7494ec;
}

.dashboard-visibility-option:hover{
    border-color:#7494ec;
}

.audio-visibility-box{
    justify-content:flex-start;
    margin-top:6px;
}

body.dark-mode .dashboard-visibility-box{
    background:#2a2a2a;
}

body.dark-mode .dashboard-visibility-box span,
body.dark-mode .dashboard-visibility-option{
    color:#e0e0e0;
}

body.dark-mode .dashboard-visibility-option{
    background:#1f1f1f;
}

body.dark-mode .dashboard-visibility-option.active{
    background:#7494ec;
    color:#ffffff;
}

/* ===== VISIBILIDADE DASHBOARD CSS - FIM ===== */


/* ===== FIX MOBILE MODAL DASHBOARD - INICIO ===== */

/* evita a página andar para os lados no telemóvel */
html,
body{
    max-width:100%;
    overflow-x:hidden !important;
}

/* modal sempre acima do conteúdo */
.modal,
.modal-overlay,
#createMaterialModal,
#materialModal,
#audioModal,
#modalAudio,
#modalCriarMaterial{
    z-index:99999 !important;
}

/* campos e botões nunca passam da largura */
.modal input,
.modal select,
.modal textarea,
.modal button,
.modal-content input,
.modal-content select,
.modal-content textarea,
.modal-content button{
    max-width:100% !important;
    box-sizing:border-box !important;
}

/* ===== MOBILE ===== */
@media(max-width:768px){

    :root{
        --mobile-sidebar-width:74px;
        --mobile-safe-gap:10px;
    }

    /* sidebar mais estreita no telemóvel */
    .sidebar,
    .side-bar,
    .menu-lateral,
    nav.sidebar{
        width:var(--mobile-sidebar-width) !important;
        min-width:var(--mobile-sidebar-width) !important;
        max-width:var(--mobile-sidebar-width) !important;
        left:0 !important;
        overflow-y:auto !important;
        overflow-x:hidden !important;
        z-index:100000 !important;
    }

    .sidebar.open,
    .side-bar.open,
    .menu-lateral.open,
    nav.sidebar.open{
        width:var(--mobile-sidebar-width) !important;
        min-width:var(--mobile-sidebar-width) !important;
        max-width:var(--mobile-sidebar-width) !important;
    }

    /* esconde textos do menu no mobile para não tapar conteúdo */
    .sidebar span,
    .side-bar span,
    .menu-lateral span,
    nav.sidebar span,
    .sidebar .nav-text,
    .side-bar .nav-text,
    .menu-lateral .nav-text{
        display:none !important;
    }

    /* conteúdo principal começa depois da sidebar */
    main,
    .main-content,
    .dashboard-container,
    .content,
    .page-content{
        margin-left:var(--mobile-sidebar-width) !important;
        width:calc(100vw - var(--mobile-sidebar-width)) !important;
        max-width:calc(100vw - var(--mobile-sidebar-width)) !important;
        overflow-x:hidden !important;
        box-sizing:border-box !important;
    }

    /* overlay/modal ocupa apenas a área livre à direita da sidebar */
    .modal,
    .modal-overlay,
    #createMaterialModal,
    #materialModal,
    #audioModal,
    #modalAudio,
    #modalCriarMaterial{
        position:fixed !important;
        left:var(--mobile-sidebar-width) !important;
        right:0 !important;
        top:0 !important;
        bottom:0 !important;
        width:calc(100vw - var(--mobile-sidebar-width)) !important;
        height:100dvh !important;
        max-height:100dvh !important;
        padding:14px var(--mobile-safe-gap) !important;
        overflow-y:auto !important;
        overflow-x:hidden !important;
        box-sizing:border-box !important;
        align-items:flex-start !important;
        justify-content:center !important;
    }

    /* caixa do modal */
    .modal-content,
    .modal-box,
    .popup-content,
    .create-material-modal,
    .audio-modal-content{
        width:100% !important;
        max-width:100% !important;
        min-width:0 !important;
        margin:0 auto !important;
        padding:18px 14px !important;
        border-radius:18px !important;
        max-height:calc(100dvh - 28px) !important;
        overflow-y:auto !important;
        overflow-x:hidden !important;
        box-sizing:border-box !important;
    }

    /* título do modal não corta */
    .modal-content h1,
    .modal-content h2,
    .modal-content h3,
    .modal-box h1,
    .modal-box h2,
    .modal-box h3{
        font-size:24px !important;
        line-height:1.15 !important;
        word-break:normal !important;
        overflow-wrap:break-word !important;
        margin-bottom:14px !important;
    }

    /* labels e inputs */
    .modal label,
    .modal-content label,
    .modal-box label{
        font-size:15px !important;
        line-height:1.3 !important;
    }

    .modal input[type="text"],
    .modal input[type="password"],
    .modal input[type="email"],
    .modal select,
    .modal textarea,
    .modal-content input[type="text"],
    .modal-content select,
    .modal-content textarea{
        width:100% !important;
        min-height:42px !important;
        font-size:15px !important;
    }

    /* radios de orientação lado a lado mas sem sair da tela */
    .orientation-options,
    .radio-group,
    .form-radio-group{
        display:flex !important;
        flex-wrap:wrap !important;
        gap:12px !important;
        width:100% !important;
    }

    .orientation-options label,
    .radio-group label,
    .form-radio-group label{
        flex:1 1 120px !important;
        min-width:0 !important;
    }

    /* público/privado compacto */
    .dashboard-visibility-box,
    .audio-visibility-box,
    .visibility-create-box,
    .converter-visibility-box{
        width:100% !important;
        max-width:100% !important;
        display:grid !important;
        grid-template-columns:1fr 1fr !important;
        gap:8px !important;
        padding:8px !important;
        margin:10px 0 !important;
        box-sizing:border-box !important;
    }

    .dashboard-visibility-box > span,
    .converter-visibility-box > span{
        grid-column:1 / -1 !important;
        text-align:left !important;
    }

    .dashboard-visibility-option,
    .visibility-option,
    .converter-visibility-option{
        width:100% !important;
        min-width:0 !important;
        justify-content:center !important;
        font-size:14px !important;
        padding:10px 8px !important;
        box-sizing:border-box !important;
    }

    /* botões finais */
    .modal-buttons,
    .form-actions,
    .modal-actions{
        display:grid !important;
        grid-template-columns:1fr 54px !important;
        gap:10px !important;
        width:100% !important;
        align-items:center !important;
    }

    .modal-buttons button,
    .form-actions button,
    .modal-actions button{
        min-height:46px !important;
        font-size:15px !important;
    }

    /* botão redondo de confirmar */
    .modal-buttons button:last-child,
    .form-actions button:last-child,
    .modal-actions button:last-child{
        width:54px !important;
        height:54px !important;
        border-radius:50% !important;
        padding:0 !important;
    }

    /* botão contraste não tapa o modal */
    .contrast-toggle,
    #contrastToggle,
    .dark-mode-toggle{
        right:12px !important;
        bottom:12px !important;
        z-index:100001 !important;
    }
}

/* iPhone muito estreito */
@media(max-width:430px){

    :root{
        --mobile-sidebar-width:66px;
    }

    .modal-content,
    .modal-box,
    .popup-content,
    .create-material-modal,
    .audio-modal-content{
        padding:16px 12px !important;
    }

    .modal-content h1,
    .modal-content h2,
    .modal-box h1,
    .modal-box h2{
        font-size:22px !important;
    }

    .dashboard-visibility-option,
    .visibility-option,
    .converter-visibility-option{
        font-size:13px !important;
        padding:9px 6px !important;
    }
}

/* ===== FIX MOBILE MODAL DASHBOARD - FIM ===== */