/* ========================================================
   1. CONFIGURAÇÕES GLOBAIS E VARIÁVEIS
   ======================================================== */
:root {
    --bg-primary: #1e75ff;
    --bg-dark: #1256c4;
    --text-light: #ffffff;
    --text-dark: #333333;
    --font-base: 16px;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    font-size: var(--font-base);
    color: var(--text-dark);
    background-color: #f4f7fc;
    transition: background-color 0.3s, color 0.3s;
}

/* ========================================================
   2. BARRA SUPERIOR E HERO BANNER (MENU DE ACESSIBILIDADE)
   ======================================================== */
.top-bar {
    background-color: var(--bg-dark);
    color: var(--text-light);
    text-align: center;
    padding: 10px 0;
    font-size: 0.95rem;
}

.hero-banner {
    background-color: var(--bg-primary);
    color: var(--text-light);
    text-align: center;
    padding: 60px 20px;
}

.hero-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    margin-top: 0;
}

.hero-banner p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.accessibility-menu {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.accessibility-menu button {
    border: none;
    border-radius: 4px;
    padding: 10px 16px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.1s;
}

#btn-aumentar, #btn-diminuir { background-color: #ffffff; color: #000000; }
#btn-contraste { background-color: #ffbf00; color: #000000; }
#btn-ouvir { background-color: #13854e; color: #ffffff; display: flex; align-items: center; gap: 6px; }

/* ========================================================
   3. SEÇÃO DO OBJETIVO (CARD LUMINOSO)
   ======================================================== */
.main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 50px 20px 20px 20px;
}

.luminosity-card {
    background-color: #ffffff;
    border: 1px solid rgba(30, 117, 255, 0.3);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 0 25px rgba(30, 117, 255, 0.2);
}

.content-section h2 {
    font-size: 2rem;
    color: var(--bg-dark);
    margin-top: 0;
    margin-bottom: 15px;
}

.content-section p {
    font-size: 1.15rem;
    line-height: 1.6;
}

/* ========================================================
   4. SEÇÃO DE FLASHCARDS INTERATIVOS (PILARES)
   ======================================================== */
.section-title {
    max-width: 960px;
    margin: 40px auto 20px auto;
    padding: 0 20px;
    font-size: 2rem;
    color: var(--bg-dark);
}

.cards-section {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px 40px 20px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.flashcard {
    min-height: 280px;
    cursor: pointer;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    background-color: transparent;
}

.card-front {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 30px;
    border-radius: 12px;
    gap: 20px;
}

.card-front h3 {
    margin: 0;
    font-size: 1.8rem;
    color: #ffffff;
}

.btn-card-link {
    color: #ffffff;
    text-decoration: underline;
    font-size: 1.1rem;
    font-weight: bold;
    padding: 8px 20px;
    border: 2px solid #ffffff;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.15);
}

.card-back {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 30px;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    text-align: center;
}

.card-back h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: #1256c4;
    font-size: 1.5rem;
}

.card-back p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    color: #334155;
}

.flashcard.flipped .card-front { display: none; }
.flashcard.flipped .card-back { display: flex; }

.card-azul .card-front { background: linear-gradient(135deg, #1e75ff, #0a53cd); }
.card-verde .card-front { background: linear-gradient(135deg, #13854e, #0b5933); }
.card-laranja .card-front { background: linear-gradient(135deg, #ff9100, #d45d00); }
/* ========================================================
   5. CONTAINER DO RELATÓRIO ACADÊMICO UNIFICADO (CORES ALTERNADAS)
   ======================================================== */
.report-container {
    max-width: 960px;
    margin: 30px auto 40px auto;
    padding: 40px;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    box-sizing: border-box;
}

/* 🎨 ALTERNÂNCIA DE CORES SUAVES PARA OS BLOCOS DO RELATÓRIO */

/* Bloco de Investigação Inicial - Azul Suave */
.investigation-box {
    border: 1px solid #bfdbfe;
    background-color: #f0f7ff; /* Tom pastel azul bem leve */
}
.investigation-text {
    font-size: 1.1rem !important;
    color: #1e40af !important; /* Texto em azul escuro para contraste */
    line-height: 1.6 !important;
}

/* Experimento 1 (Disco de Newton) - Cinza Azulado Limpo */
#relatorio-academico > section:nth-of-type(2) {
    background-color: #f8fafc; 
    border: 1px solid #e2e8f0;
}

/* Experimento 2 (LED Fade) - Verde Pastel Suave */
#relatorio-academico > section:nth-of-type(3) {
    background-color: #f0fdf4; 
    border: 1px solid #dcfce7;
}
#relatorio-academico > section:nth-of-type(3) h3 {
    color: #166534;
    border-left-color: #22c55e;
}

/* Experimento 3 (LED RGB) - Azul Clínico Suave */
#relatorio-academico > section:nth-of-type(4) {
    background-color: #f5f3ff; 
    border: 1px solid #e0e7ff;
}
#relatorio-academico > section:nth-of-type(4) h3 {
    color: #3730a3;
    border-left-color: #6366f1;
}

/* Lista de Tecnologias Existentes - Cinza Neutro Suave */
#relatorio-academico > section:nth-of-type(5) {
    background-color: #fafafa;
    border: 1px solid #eaeaea;
}

/* Caixa da Proposta Inovadora (SmartColor) - Verde Clarinho Assistivo */
.proposal-box { 
    background-color: #f0fdf4; 
    border: 2px dashed #bbf7d0; 
    border-radius: 12px; 
    padding: 30px; 
}
.proposal-box h3 { color: #166534; border-left-color: #22c55e; }
.proposal-box h4 { margin-top: 0; margin-bottom: 8px; font-size: 1.3rem; color: #166534; }
.proposal-box p { font-size: 1.1rem !important; color: #14532d; margin-bottom: 12px; }
.proposal-box strong { color: #166534; }
.proposal-box .final-note { margin-top: 20px; padding-top: 15px; border-top: 1px solid #bbf7d0; font-style: italic; color: #166534; }

/* Bloco de Inteligência Artificial - Roxo/Lilás Suave */
.row-ai { 
    background-color: #fdf4ff; 
    border: 1px solid #f3e8ff; 
    border-radius: 12px; 
    padding: 35px; 
}
.row-ai h3 { color: #6b21a8; border-left-color: #a855f7; }

/* Bloco de Conclusão Geral - Off-White Suave */
#relatorio-academico > section:nth-of-type(8) {
    background-color: #fffbeb;
    border: 1px solid #fef3c7;
}
#relatorio-academico > section:nth-of-type(8) h3 {
    color: #92400e;
    border-left-color: #f59e0b;
}

/* ========================================================
   ESTRUTURAS INTERNAS COMPARTILHADAS (NIVELADAS)
   ======================================================== */
.report-header {
    border-bottom: 2px solid #edf2f7;
    padding-bottom: 20px;
    margin-bottom: 30px;
}
.report-header h2 { font-size: 2.1rem; color: #0f172a; margin: 0 0 8px 0; }
.report-header .subtitle { font-size: 1.1rem; color: #64748b; margin: 0; }
.report-block { margin-bottom: 40px; }

/* Títulos h3 padronizados */
.report-block h3, .report-container h3 {
    font-size: 1.4rem !important;
    color: var(--bg-dark);
    margin-top: 0;
    margin-bottom: 15px;
    border-left: 4px solid var(--bg-primary);
    padding-left: 12px;
}

/* Parágrafos padronizados */
.report-block p, .report-container p {
    font-size: 1.1rem !important;
    line-height: 1.7 !important;
    color: #334155;
    margin-bottom: 16px;
    text-align: justify;
}

/* Grid de Mídias */
.media-placeholder-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 15px; margin: 25px 0; }
.media-box { background-color: #ffffff; border: 2px dashed #cbd5e1; border-radius: 8px; padding: 20px; font-size: 1.1rem !important; color: #475569; text-align: center; }
.video-box { background-color: #fff5f5; border-color: #fca5a5; color: #991b1b; }

/* Listas */
.tech-list { list-style: none; padding: 0; margin: 0; }
.tech-list li { background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 15px 20px; margin-bottom: 12px; font-size: 1.1rem !important; line-height: 1.6; color: #334155; }
.tech-list li strong { color: var(--bg-dark); }

/* Referências */
.references-block p { text-align: left; font-size: 1.1rem !important; color: #475569; margin-bottom: 12px; padding-left: 20px; text-indent: -20px; }

/* ========================================================
   6. ESTILIZAÇÃO DO RODAPÉ SIMPLES
   ======================================================== */
.simple-footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    text-align: center;
    padding: 30px 20px;
    margin-top: 60px;
    border-top: 4px solid var(--bg-primary);
}
.simple-footer p { margin: 5px 0; font-size: 1.1rem; }
.simple-footer small { color: rgba(255, 255, 255, 0.7); font-size: 0.95rem; }


/* ========================================================
   7. 📌 COMPATIBILIDADE COM ALTO CONTRASTE (BLINDADO)
   ======================================================== */
body.alto-contraste { background-color: #000000 !important; color: #ffffff !important; }
body.alto-contraste .top-bar, body.alto-contraste .hero-banner, body.alto-contraste .simple-footer { background-color: #000000 !important; color: #ffffff !important; border-color: #ffffff !important; }
body.alto-contraste .accessibility-menu button { background-color: #000000 !important; color: #ffff00 !important; border: 2px solid #ffff00 !important; }
body.alto-contraste .luminosity-card { background-color: #111111 !important; border: 2px solid #ffff00 !important; box-shadow: 0 0 30px rgba(255, 255, 0, 0.65) !important; }
body.alto-contraste .content-section h2, body.alto-contraste .section-title, body.alto-contraste .report-block h3, body.alto-contraste .report-header h2, body.alto-contraste .row-ai h3, body.alto-contraste .proposal-box h4 { color: #ffff00 !important; }
body.alto-contraste .content-section p, body.alto-contraste .report-block p, body.alto-contraste .report-header .subtitle, body.alto-contraste .row-ai p, body.alto-contraste .references-block p, body.alto-contraste .simple-footer small { color: #ffffff !important; }

body.alto-contraste .flashcard { box-shadow: none !important; border: 2px solid #ffffff !important; }
body.alto-contraste .card-front, body.alto-contraste .card-back { background: #000000 !important; }
body.alto-contraste .card-front h3, body.alto-contraste .card-back h3 { color: #ffff00 !important; }
body.alto-contraste .card-back p { color: #ffffff !important; }
body.alto-contraste .btn-card-link { border-color: #ffff00 !important; color: #ffff00 !important; background-color: transparent !important; }

body.alto-contraste .report-container { background-color: #000000 !important; border: 2px solid #ffffff !important; box-shadow: none !important; }
body.alto-contraste .investigation-box { border-color: #ffff00 !important; background-color: #000000 !important; }
body.alto-contraste .media-box { background-color: #111111 !important; border: 1px dashed #ffffff !important; color: #ffffff !important; }
body.alto-contraste .tech-list li, body.alto-contraste .proposal-box { background-color: #000000 !important; border: 1px solid #ffffff !important; color: #ffffff !important; }
body.alto-contraste .tech-list li strong, body.alto-contraste .proposal-box strong { color: #ffff00 !important; }
body.alto-contraste .proposal-box .final-note { border-top-color: #ffffff !important; color: #ffffff !important; }


/* Ativa o efeito de rolagem suave quando clica nos links do sumário */
html {
    scroll-behavior: smooth;
}

/* Estilização do Menu de Navegação Rápida */
.report-nav {
    max-width: 960px;
    margin: 30px auto;
    padding: 25px;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
    box-sizing: border-box;
}

.report-nav h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--bg-dark);
}

.report-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 10px;
}

.report-nav a {
    display: block;
    color: var(--bg-dark);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 8px 12px;
    background-color: #f8fafc;
    border: 1px solid #edf2f7;
    border-radius: 6px;
    transition: background-color 0.2s, color 0.2s;
}

.report-nav a:hover {
    background-color: var(--bg-primary);
    color: #ffffff;
}

/* Regra para o Modo de Alto Contraste */
body.alto-contraste .report-nav {
    background-color: #000000 !important;
    border: 2px solid #ffffff !important;
}
body.alto-contraste .report-nav h3 {
    color: #ffff00 !important;
}
body.alto-contraste .report-nav a {
    background-color: #000000 !important;
    color: #ffff00 !important;
    border: 1px solid #ffff00 !important;
    text-decoration: underline;
}
body.alto-contraste .report-nav a:hover {
    background-color: #ffff00 !important;
    color: #000000 !important;
}