/* static/css/style.css */

/* ===================================================================
 * ENEM SIMULATOR - FOLHA DE ESTILO PROFISSIONAL
 * DESCRIÇÃO: Design coeso, moderno e responsivo para uma plataforma educacional.
 * ===================================================================
 * ÍNDICE:
 * 1. Variáveis Globais (Cores, Fontes, etc.)
 * 2. Reset e Estilos Base
 * 3. Layout e Estrutura (Container, Grid)
 * 4. Componentes (Botões, Cards, Formulários, Alertas)
 * 5. Seções Específicas (Header, Hero, Páginas Internas)
 * 6. Responsividade e Media Queries
 * 7. Animações e Utilidades
 * =================================================================== */

/* 1. VARIÁVEIS GLOBAIS */
:root {
    /* Cores */
    --color-primary: #4361ee;       /* Azul vibrante e moderno */
    --color-primary-dark: #3a56d4;
    --color-primary-light: #edf2f7;
    --color-secondary: #6c757d;
    --color-success: #198754;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #0dcaf0;
    --color-white: #ffffff;
    --color-dark: #212529;
    --color-text: #495057;
    --color-text-muted: #6c757d;
    --color-border: #dee2e6;
    --color-background: #f8f9fa;

    /* Tipografia */
    --font-family-base: 'Inter', sans-serif;
    --font-family-heading: 'Poppins', sans-serif;
    --font-size-base: 1rem; /* 16px */
    --line-height-base: 1.6;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;

    /* Bordas e Sombras */
    --border-radius: 0.5rem;
    --border-width: 1px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --box-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

    /* Transições */
    --transition: all 0.3s ease-in-out;
}

/* 2. RESET E ESTILOS BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-family-heading); font-weight: var(--font-weight-semibold); color: var(--color-dark); line-height: 1.3; margin-bottom: 0.5rem; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-white); text-decoration: none; }
.text-center { text-align: center; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.text-muted { color: var(--color-text-muted) !important; }
.text-danger { color: var(--color-danger) !important; }

/* 3. LAYOUT E ESTRUTURA */
.container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
.main-content { padding-top: 2rem; padding-bottom: 2rem; }
.section { padding: 3rem 0; }
.section-title { text-align: center; margin-bottom: 3rem; }
.provas-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .provas-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .provas-grid { grid-template-columns: repeat(3, 1fr); } }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }

/* 4. COMPONENTES */

/* --- Botões --- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font-weight: var(--font-weight-semibold); text-align: center; vertical-align: middle; cursor: pointer; user-select: none; border: var(--border-width) solid transparent; padding: 0.6rem 1.25rem; font-size: var(--font-size-base); border-radius: var(--border-radius); transition: var(--transition); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--box-shadow); text-decoration: none; }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn:disabled { opacity: 0.65; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1.1rem; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.875rem; }
.btn-block { display: flex; width: 100%; }
.btn-primary { color: var(--color-white); background-color: var(--color-primary); border-color: var(--color-primary); }
.btn-primary:hover { background-color: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-secondary { color: var(--color-white); background-color: var(--color-secondary); border-color: var(--color-secondary); }
.btn-danger { color: var(--color-white); background-color: var(--color-danger); border-color: var(--color-danger); }
.btn-success { color: var(--color-white); background-color: var(--color-success); border-color: var(--color-success); }
.btn-light { color: var(--color-primary); background-color: var(--color-white); border-color: var(--color-white); }
.btn-outline-light { color: var(--color-white); border-color: var(--color-white); }
.btn-outline-light:hover { color: var(--color-primary); background-color: var(--color-white); }
.btn-google { background-color: #DB4437; color: var(--color-white); }
.btn-google:hover { background-color: #C23321; }

/* --- Cards --- */
.card { display: flex; flex-direction: column; height: 100%; background-color: var(--color-white); border: var(--border-width) solid var(--color-border); border-radius: var(--border-radius); box-shadow: var(--box-shadow); margin-bottom: 1.5rem; transition: var(--transition); }
.card:hover { transform: translateY(-5px); box-shadow: var(--box-shadow-lg); }
.card-header, .card-footer { padding: 1rem 1.5rem; background-color: var(--color-background); }
.card-header { border-bottom: var(--border-width) solid var(--color-border); }
.card-footer { border-top: var(--border-width) solid var(--color-border); margin-top: auto; } /* Chave para o alinhamento de botões */
.card-body { padding: 1.5rem; flex-grow: 1; } /* Chave para o alinhamento de botões */
.card-title { font-weight: var(--font-weight-semibold); }
.prova-card .card-body { text-align: center; }
.prova-card p { font-size: 0.9rem; color: var(--color-text-muted); }

/* --- Formulários --- */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-weight: var(--font-weight-medium); margin-bottom: 0.5rem; }
.form-control { display: block; width: 100%; padding: 0.75rem 1rem; font-size: var(--font-size-base); border: var(--border-width) solid var(--color-border); border-radius: var(--border-radius); transition: var(--transition); }
.form-control:focus { border-color: var(--color-primary); outline: 0; box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25); }
.password-input { position: relative; }
.toggle-password { position: absolute; right: 1rem; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--color-text-muted); cursor: pointer; }

/* --- Alertas --- */
.alert { position: relative; padding: 1rem; margin-bottom: 1rem; border: var(--border-width) solid transparent; border-radius: var(--border-radius); }
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-danger { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }
.alert .close { position: absolute; top: 0.5rem; right: 1rem; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* --- Badges --- */
.badge { display: inline-block; padding: 0.35em 0.65em; font-size: 0.75em; font-weight: var(--font-weight-semibold); line-height: 1; text-align: center; white-space: nowrap; vertical-align: baseline; border-radius: var(--border-radius); }
.badge-success { color: var(--color-white); background-color: var(--color-success); }
.badge-danger { color: var(--color-white); background-color: var(--color-danger); }
.badge-warning { color: var(--color-dark); background-color: var(--color-warning); }
.badge-primary { color: var(--color-white); background-color: var(--color-primary); }

/* 5. SEÇÕES ESPECÍFICAS */

/* --- Header e Navbar --- */
.main-header { background-color: var(--color-white); padding: 0.75rem 0; box-shadow: var(--box-shadow); position: sticky; top: 0; z-index: 1020; }
.navbar { display: flex; justify-content: space-between; align-items: center; }
.navbar-brand .logo { font-family: var(--font-family-heading); font-size: 1.5rem; font-weight: 600; color: var(--color-primary); }
.navbar-nav { display: flex; align-items: center; list-style: none; gap: 0.5rem; }
.nav-link { font-weight: var(--font-weight-medium); color: var(--color-text); padding: 0.5rem 1rem; border-radius: var(--border-radius); }
.nav-link:hover { color: var(--color-primary); background-color: var(--color-primary-light); }
.navbar-toggler { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }
.navbar-collapse { display: flex !important; }

/* --- Hero Section --- */
.hero { background: var(--color-primary); color: var(--color-white); padding: 4rem 0; text-align: center;
background: linear-gradient(rgba(17, 24, 39, 0.8), rgba(17, 24, 39, 0.8)),
                url('https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?q=80&w=2070&auto=format&fit=crop');
            background-size: cover;
            background-position: center;
            background-attachment: fixed; 
}
.hero-title { font-size: 2.5rem; font-weight: 600; color: var(--color-white); }
.hero-subtitle { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 1rem auto 2rem auto; }
.hero-buttons { display: flex; justify-content: center; gap: 1rem; }

/* --- Features Section --- */
.features-section { background-color: var(--color-white); }
.feature-card { text-align: center; padding: 1.5rem; }
.feature-icon { font-size: 2.5rem; color: var(--color-primary); margin-bottom: 1rem; display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; background-color: var(--color-primary-light); border-radius: 50%; }

/* --- Page Header (Telas internas) --- */
.page-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding: 1.5rem; background: var(--color-white); border-radius: var(--border-radius); margin-bottom: 2rem; border: var(--border-width) solid var(--color-border); }
.page-header h1 { font-size: 1.75rem; margin: 0; }
.user-info { display: flex; align-items: center; gap: 0.75rem; }

/* --- Login --- */
.login-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 100%; max-width: 450px; }
.login-header { padding: 2rem; background-color: var(--color-primary); color: var(--color-white); text-align: center; border-top-left-radius: var(--border-radius); border-top-right-radius: var(--border-radius); }
.login-body { padding: 2rem; }
.divider { display: flex; align-items: center; text-align: center; margin: 1.5rem 0; color: var(--color-text-muted); }
.divider::before, .divider::after { content: ''; flex: 1; border-bottom: 1px solid var(--color-border); }
.divider:not(:empty)::before { margin-right: .25em; }
.divider:not(:empty)::after { margin-left: .25em; }

/* --- Questões do Exame --- */
.questoes-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }
.progress-info { display: flex; align-items: center; gap: 1.5rem; }
.timer { font-weight: var(--font-weight-semibold); color: var(--color-primary); }
.progress-wrapper { flex-grow: 1; }
.progress-text { font-size: 0.9rem; font-weight: var(--font-weight-medium); }
.progress { height: 8px; background-color: var(--color-border); border-radius: 4px; overflow: hidden; margin-top: 0.25rem; }
.progress-bar { height: 100%; background-color: var(--color-primary); transition: width 0.3s ease; }
.alternative { display: flex; padding: 1rem; border: 2px solid var(--color-border); border-radius: var(--border-radius); cursor: pointer; margin-bottom: 0.75rem; transition: var(--transition); }
.alternative:hover { border-color: var(--color-primary); background-color: var(--color-primary-light); }
.alternative input[type="radio"] { margin-right: 1rem; }
.alternative.selected { border-color: var(--color-primary); background-color: var(--color-primary-light); }
.question-card .card-body img,
.question-detail-card .card-body img { max-width: 100%; height: auto; display: block; /* Evita espaçamentos estranhos abaixo da imagem */ margin: 1rem auto; /* Centraliza e adiciona espaço vertical */ border-radius: var(--border-radius); }

/* --- Resultado --- */
.resultado-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.summary-item { display: flex; align-items: center; gap: 1rem; background-color: var(--color-primary-light); padding: 1rem; border-radius: var(--border-radius); }
.summary-item.highlight { background-color: var(--color-success); color: var(--color-white); }
.summary-item.highlight .summary-icon { background-color: rgba(255,255,255,0.2); }
.summary-icon { font-size: 1.5rem; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background-color: var(--color-primary); color: var(--color-white); }
.summary-value { font-size: 1.25rem; font-weight: var(--font-weight-semibold); }
.question-detail-card { border-left: 5px solid var(--color-border); margin-bottom: 1rem; }
.question-detail-card.correct { border-left-color: var(--color-success); }
.question-detail-card.incorrect { border-left-color: var(--color-danger); }
.detail-alternative { padding: 0.75rem; border-radius: var(--border-radius); margin-bottom: 0.5rem; }
.detail-alternative.user-correct { background-color: #d1e7dd; }
.detail-alternative.user-incorrect { background-color: #f8d7da; border: 2px solid var(--color-danger); }
.detail-alternative.correct-answer-highlight { font-weight: var(--font-weight-semibold); background-color: #d1e7dd; border: 2px solid var(--color-success); }
.answer-comparison { border-top: 1px solid var(--color-border); padding-top: 1rem; }

/* --- Ranking --- */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.table thead { background-color: var(--color-primary-light); }
.table tbody tr:hover { background-color: #f1f3f5; }

/* 6. RESPONSIVIDADE */
@media (max-width: 768px) {
    .navbar-toggler { display: block; }
    .navbar-collapse { display: none; width: 100%; }
    .navbar-collapse.show { display: block; }
    .navbar-nav { flex-direction: column; align-items: flex-start; gap: 0; }
    .nav-link { width: 100%; }
    .hero-title { font-size: 2rem; }
    .hero-buttons { flex-direction: column; }
    .page-header { flex-direction: column; align-items: flex-start; }

    /* Tabela Responsiva */
    .table thead { display: none; }
    .table tr { display: block; margin-bottom: 1rem; border: 1px solid var(--color-border); border-radius: var(--border-radius); }
    .table td { display: block; text-align: right; padding-left: 50%; position: relative; }
    .table td::before { content: attr(data-label); position: absolute; left: 1rem; width: calc(50% - 2rem); text-align: left; font-weight: var(--font-weight-semibold); color: var(--color-primary); }
    .table-responsive { display: none; }
}

/* 7. UTILIDADES E ANIMAÇÕES */
.spinner-wrapper { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3rem; color: var(--color-text-muted); }
@keyframes spin { to { transform: rotate(360deg); } }
.fa-spinner { animation: spin 1s linear infinite; }

/* 1. Reset Básico e Estilos Globais */
:root {
    --primary-color: #3B82F6; /* Azul Principal */
    --primary-dark: #2563EB;
    --light-color: #FFFFFF;
    --text-color: #E0E7FF; /* Texto mais suave no fundo azul */
    --dark-text-color: #374151;
    --background-color: #F9FAFB;
    --border-color: #D1D5DB;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-text-color);
    background-color: var(--background-color);
}

.container {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
}

/* 2. Estilos do Header e Navbar (Mobile First) */
.main-header {
    background-color: var(--primary-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand .logo {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    color: var(--light-color);
    text-decoration: none;
}

.navbar-toggler {
    display: block; /* Visível em mobile */
    background: none;
    border: none;
    color: var(--light-color);
    font-size: 24px;
    cursor: pointer;
}

.navbar-collapse {
    display: none; /* Escondido por padrão em mobile */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--light-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.navbar-collapse.active {
    display: block; /* Ativado via JS */
    max-height: 500px; /* Altura suficiente para os links */
}

.navbar-nav {
    list-style: none;
    padding: 10px 0;
}

.navbar-nav li a {
    display: block;
    padding: 15px 20px;
    color: var(--dark-text-color);
    text-decoration: none;
    transition: background-color 0.3s;
}

.navbar-nav li a:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.navbar-nav li a .fas {
    margin-right: 10px;
}

/* 3. Estilos da Seção Hero (Mobile First) */
.hero {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 60px 0;
    text-align: center;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-light {
    background-color: var(--light-color);
    color: var(--primary-dark);
}

.btn-light:hover {
    background-color: #f0f0f0;
}

.btn-outline-light {
    background-color: transparent;
    color: var(--light-color);
    border: 2px solid var(--light-color);
}

.btn-outline-light:hover {
    background-color: var(--light-color);
    color: var(--primary-dark);
}

/* 4. Estilos da Seção de Features (Mobile First) */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    margin-bottom: 40px;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.feature-card {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: center;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* 5. Alertas */
.alert {
    padding: 15px;
    background-color: #28a745;
    color: white;
    margin-bottom: 20px;
    border-radius: 5px;
    position: relative;
}
.alert .close {
    position: absolute;
    top: 10px;
    right: 15px;
    color: white;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}


/* 6. Media Queries para Telas Maiores (Desktop) */
@media (min-width: 768px) {
    #rankingCardsContainer {
        display: none !important;
    }

    .container {
        max-width: 1100px;
    }

    .navbar-toggler {
        display: none; /* Esconde o "hambúrguer" no desktop */
    }

    .navbar-collapse {
        display: block; /* Mostra o menu no desktop */
        position: static;
        width: auto;
        background-color: transparent;
        box-shadow: none;
        max-height: none;
        overflow: visible;
    }

    .navbar-nav {
        flex-direction: row;
        align-items: center;
        gap: 15px;
        padding: 0;
    }
    
    .navbar-nav li a {
        color: var(--light-color);
        padding: 8px 15px;
        border-radius: 6px;
    }

    .navbar-nav li a:hover {
        background-color: rgba(255, 255, 255, 0.15);
        color: white;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 7. Footer (NOVO) */
.main-footer {
    background-color: var(--dark-text-color);
    color: var(--text-color);
    padding: 20px;
    text-align: center;
    font-size: 0.9rem;
    margin-top: auto;
}

/* Estilo para imagens dentro das alternativas */
.img-fluid-alternative {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
    margin-top: 0.5rem; /* Adiciona um espaço se houver texto acima */
}

/* Estilos Adicionais Daqui para Baixo */
/* Estilo para o Input Group do Pix Copia e Cola */
.input-group {
    display: flex;
    position: relative;
}
.input-group .form-control {
    /* Remove a borda arredondada da direita para colar no botão */
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.input-group .btn {
    /* Remove a borda arredondada da esquerda e ajusta a borda */
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border: 1px solid var(--color-border);
    border-left: none; /* Evita borda dupla */
}

/* Ranking Mobile Styles */
.ranking-card {
    display: none;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1rem;
    margin-bottom: 1rem;
}

.ranking-card.active {
    display: block;
}

.ranking-user {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--color-primary-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.ranking-user h3 {
    margin: 0;
    font-size: 1rem;
}

.ranking-user .position {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

.ranking-details {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.ranking-detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.ranking-detail-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
}

/* Mostrar tabela apenas em desktop */
@media (min-width: 992px) {
    .table-responsive {
        display: block;
    }
    .ranking-cards-container {
        display: none;
    }
}

/* Mostrar cards apenas em mobile */
@media (max-width: 991px) {
    .table-responsive {
        display: none;
    }
    .ranking-cards-container {
        display: block;
    }
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1050;
    overflow-y: auto;
}

.modal-content {
    background-color: var(--color-white);
    margin: 2rem auto;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
}

.close-modal {
    float: right;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Style da Sessao de Como Funciona */

/* Estilos para a nova seção "Como Funciona" */
.how-it-works-section {
    background-color: var(--color-background); /* Fundo claro para contraste */
}

.how-it-works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding-top: 2rem;
}

.step-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.step-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 4px 8px rgba(67, 97, 238, 0.3);
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--color-text-muted);
}

/* Responsividade para a nova seção */
@media (max-width: 768px) {
    .how-it-works-grid {
        grid-template-columns: 1fr;
    }
}

/* Alteração no estilo base do step-card */
.step-card {
    position: relative; /* Necessário para o overlay */
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    
    /* Configurações para a imagem de fundo */
    background-size: contain;
    background-position: center;
    color: var(--color-white); /* Garante que o texto fique legível */
    overflow: hidden; /* Para esconder qualquer parte da imagem que ultrapasse a borda */
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* Overlay escuro para legibilidade do texto */
    border-radius: var(--border-radius);
    z-index: 1;
}

/* Garante que o conteúdo fique sobre o overlay */
.step-card * {
    position: relative;
    z-index: 2;
}

.step-card h3, .step-card p {
    color: var(--color-white); /* Garante que o texto seja branco */
}

/* Mapeamento das imagens para cada card */
.step-card.step-1 {
    background-image: url('/static/images/Simulado.png');
}
.step-card.step-2 {
    background-image: url('/static/images/Questoes.png');
}
.step-card.step-3 {
    background-image: url('/static/images/Redacao.png');
}
.step-card.step-4 {
    background-image: url('/static/images/Resultado.png');
}

/* Ajustes finos para o conteúdo */
.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.step-card p {
    font-size: 1rem;
    margin-bottom: 0;
}

/* Estilos para os novos links de redes sociais no rodapé */
.social-links {
    margin-bottom: 1.5rem; /* Adiciona um espaço abaixo dos ícones */
    text-align: center;
}

.social-links a {
    color: var(--color-text-secondary); /* Cor padrão dos ícones */
    font-size: 1.8rem;                 /* Tamanho dos ícones */
    margin: 0 1rem;                    /* Espaçamento entre os ícones */
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease; /* Transição suave */
}

.social-links a:hover {
    color: var(--color-primary); /* Muda a cor ao passar o mouse */
    transform: translateY(-3px);   /* Efeito de "levantar" o ícone */
}