/* ENEMetria - Estilos Principais */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fa;
}

/* Cabeçalho */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.logo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.slogan {
    font-size: 1.2rem;
    font-style: italic;
    opacity: 0.9;
}

/* Conteúdo Principal */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

/* Seção de Configuração */
.setup-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.setup-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

select, input[type="number"] {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

select:focus, input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Checkbox para opção de acessibilidade */
.checkbox-group {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.8rem;
    transform: scale(1.2);
}

.checkbox-group label {
    display: inline;
    margin-bottom: 0;
}

/* Botões */
.primary-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    margin-top: 1rem;
}

.primary-button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.secondary-button {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    margin-top: 1rem;
}

.secondary-button:hover {
    background-color: #d5dbdb;
    transform: translateY(-2px);
}

/* Botão “Instruções de Uso” menor e alinhado no setup */
.secondary-button.small-button {
    padding: 0.4rem 0.8rem;   /* reduz altura e largura */
    font-size: 0.9rem;        /* texto um pouco menor */
    margin-top: 0;            /* alinha na mesma linha dos inputs */
    width: auto;              /* ajusta à largura do texto */
}

/* Grade para os botões do setup */
.button-grid {
    display: grid;
    gap: 0.5rem;
    width: 100%;
    margin-top: 1rem;
    justify-items: center;
}

@media (min-width: 600px) {
    .button-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Botões para acessar agentes de IA */
.agent-button {
    background-color: var(--danger-color);
    border: none;
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    white-space: nowrap;
}

.agent-button:hover {
    background-color: #c0392b;
}

.control-button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 0.5rem;
    display: inline-flex;
    align-items: center;
}

.control-button i {
    margin-right: 0.5rem;
}

.control-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.control-button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
    transform: none;
}

/* Controles do Exame */
.controls-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.timer-display {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--light-color);
    border-radius: 8px;
}

.main-timer {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    transition: var(--transition);
    opacity: 0.8;
}

.main-timer:hover {
    opacity: 1;
}

.timer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.timer-arrow {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.timer-arrow.active {
    transform: rotate(180deg);
}

#main-timer-value-container {
    margin-top: 0.5rem;
    text-align: center;
    transition: var(--transition);
    height: auto;
    overflow: hidden;
}

#main-timer-value-container.hidden {
    height: 0;
    margin-top: 0;
}

.area-timers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.area-timer {
    background-color: white;
    padding: 0.8rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
}

.control-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.status-display {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    background-color: var(--light-color);
    padding: 1rem;
    border-radius: 8px;
}

.toggle-panel {
    text-align: center;
}

.toggle-button {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-button:hover {
    background-color: #d5dbdb;
}

/* Janela flutuante de contagem regressiva */
#countdown-timer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--secondary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 900;
    transition: var(--transition);
    max-width: 300px;
}

#countdown-intervals-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.countdown-interval {
    font-size: 1.4rem;
    font-weight: bold;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.countdown-interval.completed {
    text-decoration: line-through;
    opacity: 0.6;
}

.countdown-interval.active {
    font-size: 1.8rem;
    color: var(--warning-color);
}

/* Animação de esmaecimento */
.fade-out {
    animation: fadeOut 3s forwards;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Painel de Estatísticas */
.stats-container {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
}

#stats-content {
    max-height: 300px;
    overflow-y: auto;
    padding: 1rem;
    background-color: white;
    border-radius: 4px;
}

/* Seção de Questões */
.areas-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.area-tab {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.area-tab:hover {
    background-color: #d5dbdb;
}

.area-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.questions-container {
    margin-top: 1.5rem;
}

.area-questions {
    display: none;
}

.area-questions.active {
    display: block;
}

.questions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.question-button {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: none;
    padding: 1rem 0;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.question-button:hover {
    background-color: #d5dbdb;
    transform: translateY(-2px);
}

.question-button.answered {
    background-color: var(--success-color);
    color: white;
}

.question-button.skipped {
    background-color: var(--warning-color);
    color: white;
}

.question-button.active {
    background-color: var(--primary-color);
    color: white;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(52, 152, 219, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(52, 152, 219, 0);
    }
}

/* Redação */
.redacao-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.redacao-button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 1.5rem 2.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.redacao-button:hover {
    background-color: #1a252f;
    transform: translateY(-3px);
}

/* Modal de Questão */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 1.5rem;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.close-button {
    font-size: 1.8rem;
    cursor: pointer;
}

.modal-body {
    padding: 1.5rem;
}

.alternatives {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.alternative {
    display: flex;
    align-items: center;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: var(--transition);
}

.alternative:hover {
    background-color: var(--light-color);
}

.alternative input[type="radio"] {
    width: auto;
    margin-right: 1rem;
}

.modal-footer {
    padding: 1.5rem;
    text-align: right;
    border-top: 1px solid #ddd;
}

/* Seção de Resultados */
.results-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.results-summary, .results-metrics {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
}

.results-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

/* Seção de Histórico */
.history-container {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
}

#history-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 1rem;
    background-color: white;
    border-radius: 4px;
}

/* Utilitários */
.hidden-section {
    display: none;
}

.active-section {
    display: block;
}

/* Rodapé */
footer {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .setup-container {
        grid-template-columns: 1fr;
    }
    
    .control-buttons {
        flex-direction: column;
    }
    
    .control-button {
        margin-right: 0;
        margin-bottom: 0.5rem;
        width: 100%;
        justify-content: center;
    }
    
    .area-tab {
        flex-grow: 1;
        text-align: center;
    }
    
    .questions-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }
    
    .redacao-container {
        flex-direction: column;
        align-items: center;
    }
    
    .redacao-button {
        width: 100%;
        max-width: 300px;
    }
    
    #countdown-timer {
        bottom: 10px;
        right: 10px;
        padding: 0.8rem 1.2rem;
    }
    
    .countdown-interval {
        font-size: 1.2rem;
    }
    
    .countdown-interval.active {
        font-size: 1.5rem;
    }
}

.redacao-button.active {
    background-color: red !important;
}

/* Janela flutuante de contagem regressiva - Versão Mobile */
@media (max-width: 768px) {
    #countdown-timer {
        bottom: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        width: auto;
        padding: 0.8rem;
        border-radius: 6px;
        z-index: 1000;
    }
    
    #countdown-intervals-container {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .countdown-interval {
        font-size: 1rem;
        padding: 0.3rem 0.5rem;
        min-width: 70px;
    }
    
    .countdown-interval.active {
        font-size: 1.2rem;
    }
}

/* ----- layout lateral PDF + alternativas ----- */
.modal-body.question-flex{
    display:flex;
    gap:1rem;
    height:80vh;      /* aumentamos um pouco a altura útil */
}

.pdf-viewer-box{
    flex:3 1 90%;     /* ≈ 90 % da largura  */
    min-width:400px;  /* garante legibilidade */
}

.side-panel{          /*  ➜  NOVA regra  */
    flex:1 1 10%;     /* ≈ 10 % da largura */
    display:flex;
    flex-direction:column;
}

.alternatives {
    display: flex;
    flex-direction: column;
    align-items: flex-start; 	/* faz cada .alternative encolher à largura do seu conteúdo */
    gap: 0.5rem;            	 /* espaçamento entre as caixas */
    overflow-y: auto;
    padding-right: .5rem;
    flex: none;              	/* não força esticar verticalmente */
}

.save-wrapper{
    padding-top:1rem;           /* botão colado ao fim */
    text-align:center;
}

/* ———  Botão dentro do painel lateral  ——— */
.save-wrapper button{
    width: 100%;           /* ocupa toda a coluna */
    padding: .8rem 1.5rem;      /* altura confortável */
    font-size: 1rem;       /* garante que o texto apareça */
}

#gabarito-manual-input {
  font-family: monospace;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  resize: vertical;
  padding: 0.5rem;
}

/* ======= LAYOUT MOBILE PARA O MODAL DE QUESTÕES ======= */
@media (max-width: 768px) {
  /* empilha PDF e alternativas */
  .modal-body.question-flex {
    display: flex;
    flex-direction: column;
    height: auto;   /* deixa crescer conforme o conteúdo */
    gap: 0.5rem;
  }

  /* faz o visor de PDF ocupar quase toda a altura disponível */
  .pdf-viewer-box {
    flex: none;
    width: 100%;
    height: 75vh;   /* ajuste esse valor se quiser mais/menos */
    min-width: 0;   /* remove a restrição de 400px */
  }

  /* side-panel ocupa toda a largura embaixo do PDF */
  .side-panel {
    flex: none;
    width: 100%;
    margin-top: 0.5rem;
    padding: 0 1rem;
  }

  /* grid 3×2: A B C na primeira fila; D E Salvar na segunda */
  .side-panel .alternatives {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

  /* remove contorno e centraliza o conteúdo de cada “caixinha” */
  .side-panel .alternatives .alternative,
  .side-panel .alternatives .save-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    background-color: #fff;
    border: none;  /* retira o contorno */
  }

  /* centraliza verticalmente a “caixinha” do Salvar dentro do grid */
  .side-panel .alternatives .save-wrapper {
    align-self: center;
  }

  /* estiliza o botão Salvar, com texto menor e boa visibilidade */
  .side-panel .alternatives .save-wrapper button {
    width: 100%;
    padding: 0.5rem 0;
    font-size: 0.75rem;        /* texto reduzido para caber */
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    cursor: pointer;
  }
}

/* ======== ESTILOS PARA A SEÇÃO DE LOGIN ======== */
#login-section {
    max-width: 450px; /* Define uma largura máxima para o container */
    margin: 5rem auto; /* Centraliza o container na página com margem no topo */
    padding: 2.5rem;
}

.login-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Espaço entre os campos e o botão */
}

#login-button {
    width: 100%; /* Faz o botão ocupar toda a largura do container */
    margin-top: 1rem; /* Espaço extra acima do botão */
}

/* Garante que o campo de senha tenha o mesmo estilo dos outros */
select, input[type="number"], input[type="text"], input[type="password"] {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

/* ===== Modal de Nível de Confiança ===== */
.confidence-levels{
  display:flex;
  gap:.5rem;
  justify-content:center;
  margin:.75rem 0 .5rem;
}
.conf-btn{
  border:1px solid #ddd;
  padding:.6rem .9rem;
  font-size:1rem;
  background:#fff;
  border-radius:6px;
  cursor:pointer;
  transition:var(--transition);
}
.conf-btn:hover{ transform:translateY(-2px); }
.conf-btn.active{
  background:var(--primary-color);
  color:#fff;
  border-color:var(--primary-color);
}