/* ========================================
   RESET E VARIÁVEIS
   ======================================== */

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

:root {
    /* Cores Principais */
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --error-color: #ef4444;
    
    /* Cores de Texto */
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    
    /* Cores de Fundo */
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --bg-dark: #111827;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Fontes */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   HEADER E NAVEGAÇÃO
   ======================================== */

.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.header-content h1 i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.header-content p {
    font-size: 1rem;
    opacity: 0.9;
}

.nav {
    position: relative;
}

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.nav-menu {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.nav-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-link i {
    margin-right: 0.5rem;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.stat-card {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-lg);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.stat-card i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-color);
}

.stat-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ========================================
   BOTÕES
   ======================================== */

.btn-primary,
.btn-secondary,
.btn-success,
.btn-verificar {
    display: inline-block;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: var(--font-family);
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--text-medium);
    color: white;
}

.btn-secondary:hover {
    background: var(--text-dark);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-verificar {
    background: var(--secondary-color);
    color: white;
    margin-top: var(--spacing-sm);
}

.btn-verificar:hover {
    background: var(--primary-color);
}

/* ========================================
   INTRODUÇÃO
   ======================================== */

.intro-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.intro-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.intro-content h2 i {
    margin-right: 0.5rem;
}

.intro-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.intro-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
}

.intro-list {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.intro-list li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: 0.5rem;
    border-left: 4px solid var(--accent-color);
}

.intro-list li i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

.intro-list li strong {
    color: var(--primary-color);
}

/* ========================================
   TEORIA SECTION
   ======================================== */

.teoria-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-gray);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

/* ========================================
   MÓDULOS
   ======================================== */

.modulo {
    background: var(--bg-white);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.modulo-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.3s ease;
}

.modulo-header:hover {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
}

.modulo-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.modulo-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin-right: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 800;
}

.modulo-content {
    padding: var(--spacing-xl);
}

.teoria-text h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.teoria-text h4:first-child {
    margin-top: 0;
}

.teoria-text h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.teoria-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
    line-height: 1.8;
    font-size: 1.05rem;
}

.teoria-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* ========================================
   DESTAQUES E BOXES
   ======================================== */

.destaque-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 5px solid var(--accent-color);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
}

.destaque-box.importante {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left-color: var(--error-color);
}

.destaque-box h5 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
}

.destaque-box h5 i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.destaque-box.importante h5 i {
    color: var(--error-color);
}

.destaque-box p,
.destaque-box ul {
    margin-bottom: var(--spacing-sm);
}

.destaque-box ul {
    margin-left: var(--spacing-lg);
}

.destaque-box li {
    margin-bottom: 0.5rem;
}

/* ========================================
   TABELAS
   ======================================== */

.tabela-wrapper {
    margin: var(--spacing-xl) 0;
    overflow-x: auto;
}

.tabela-wrapper h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.tabela-wrapper h4 i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.tabela-historia {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border-radius: 0.75rem;
    overflow: hidden;
}

.tabela-historia thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.tabela-historia th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
}

.tabela-historia td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--bg-gray);
    color: var(--text-medium);
}

.tabela-historia tbody tr:hover {
    background: var(--bg-light);
}

.tabela-historia tbody tr:last-child td {
    border-bottom: none;
}

/* ========================================
   QUESTÕES
   ======================================== */

.questoes-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 3px solid var(--bg-gray);
}

.questoes-section h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
}

.questoes-section h4 i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.questao {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 0.75rem;
    margin-bottom: var(--spacing-lg);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.questao:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.questao.correta {
    border-color: var(--success-color);
    background: #d1fae5;
}

.questao.incorreta {
    border-color: var(--error-color);
    background: #fee2e2;
}

.questao-texto {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.questao-opcoes {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.questao-opcoes label {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-white);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.questao-opcoes label:hover {
    background: var(--bg-gray);
    border-color: var(--secondary-color);
}

.questao-opcoes input[type="radio"] {
    margin-right: var(--spacing-sm);
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
}

.questao-feedback {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 0.5rem;
    display: none;
    font-weight: 500;
}

.questao-feedback.show {
    display: block;
}

.questao-feedback.correto {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid var(--success-color);
}

.questao-feedback.incorreto {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid var(--error-color);
}

/* ========================================
   QUIZ FINAL
   ======================================== */

.quiz-final-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-white);
}

.quiz-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.quiz-info {
    margin-bottom: var(--spacing-xl);
}

.quiz-stats {
    display: flex;
    justify-content: space-around;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.quiz-stats .stat {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.quiz-stats .stat i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.quiz-stats .stat span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.quiz-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.quiz-buttons button {
    flex: 1;
    min-width: 150px;
}

.resultado-quiz {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.resultado-quiz h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.resultado-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.resultado-stat {
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 0.75rem;
    border-left: 4px solid var(--accent-color);
}

.resultado-stat h4 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.resultado-stat p {
    color: var(--text-medium);
    font-size: 1rem;
}

.progresso-bar {
    background: var(--bg-gray);
    height: 2rem;
    border-radius: 1rem;
    overflow: hidden;
    margin: var(--spacing-lg) 0;
}

.progresso-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color) 0%, #34d399 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    transition: width 1s ease;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--bg-dark);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

/* ========================================
   MENSAGENS AUXILIARES
   ======================================== */

.continua-mensagem {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-white);
    border-radius: 1rem;
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
}

.continua-mensagem p {
    font-size: 1.1rem;
    color: var(--text-medium);
}

.continua-mensagem i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
    .header-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav-toggle {
        display: block;
        margin: 0 auto;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .modulo-header h3 {
        font-size: 1.25rem;
    }
    
    .modulo-number {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.25rem;
    }
    
    .modulo-content {
        padding: var(--spacing-md);
    }
    
    .teoria-text h4 {
        font-size: 1.25rem;
    }
    
    .quiz-buttons {
        flex-direction: column;
    }
    
    .quiz-buttons button {
        width: 100%;
    }
    
    .tabela-historia {
        font-size: 0.85rem;
    }
    
    .tabela-historia th,
    .tabela-historia td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-card i {
        font-size: 2rem;
    }
    
    .stat-card h3 {
        font-size: 1.25rem;
    }
}

/* ========================================
   ANIMAÇÕES
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modulo,
.questao {
    animation: fadeIn 0.5s ease-out;
}

/* ========================================
   SCROLL SUAVE
   ======================================== */

html {
    scroll-behavior: smooth;
}

/* ========================================
   IMPRESSÃO
   ======================================== */

@media print {
    .header,
    .nav,
    .footer,
    .btn-verificar,
    .quiz-buttons {
        display: none;
    }
    
    .modulo {
        page-break-inside: avoid;
    }
}