/* 
   Base & Reset - VRDrive Modernizado
    */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

:root {
    /* Cores - Paleta Moderna e Dinâmica */
    --primary: #667eea; /* Azul Violeta */
    --primary-dark: #764ba2; /* Violeta Escuro */
    --secondary: #59b2f7; /* Azul Céu */
    --accent: #E55A28; /* Laranja Vibrante */
    --success: #48bb78; /* Verde Sucesso */
    --success-light: #9ae6b4; /* Verde Sucesso Claro */
    --danger: #f56565; /* Vermelho Perigo */
    --warning: #f39c12; /* Amarelo Alerta */
    --light: #f7fafc; /* Quase Branco */
    --dark: #2d3748; /* Cinza Escuro */
    --gray: #718096; /* Cinza Médio */
    --gray-light: #a0aec0; /* Cinza Claro */
    --white: #FFFFFF;
    --black: #000000;

    /* Cores Adicionais para Gradientes e Efeitos */
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --gradient-secondary-start: #59b2f7;
    --gradient-secondary-end: #4299e1;
    --gradient-success-start: #48bb78;
    --gradient-success-end: #38a169;
    --gradient-warning-start: #f39c12;
    --gradient-warning-end: #ed8936;
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);

    /* Espaçamentos */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Bordas e Sombras - Neumorphism/Modern */
    --border-radius-sm: 12px;
    --border-radius-md: 18px;
    --border-radius-lg: 24px;
    --shadow-neumorphic-light: 8px 8px 16px rgba(0, 0, 0, 0.1), -8px -8px 16px rgba(255, 255, 255, 0.7);
    --shadow-neumorphic-dark: 8px 8px 16px rgba(0, 0, 0, 0.2), -8px -8px 16px rgba(255, 255, 255, 0.05);
    --shadow-modern: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 15px 45px rgba(0, 0, 0, 0.25);
    --shadow-inset: inset 2px 2px 5px rgba(0, 0, 0, 0.1), inset -2px -2px 5px rgba(255, 255, 255, 0.7);

    /* Transições */
    --transition-fast: 0.2s ease-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;

    /* Tipografia */
    --font-heading: 'Poppins', sans-serif; /* Adicionar ao HTML se não tiver */
    --font-body: 'Inter', sans-serif; /* Adicionar ao HTML se não tiver */
}

/* Adicionar fontes ao HTML se não estiverem lá */
/* <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@600;700;800&display=swap" rel="stylesheet"> */

html {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Previne scroll horizontal em animações */
}

.container {
    max-width: min(1400px, 100% - var(--spacing-lg) * 2); /* Aumentado max-width */
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    width: 100%;
}

/* 
   Screen Transitions & Global Animations
    */
.screen {
    display: none;
    animation: fadeIn var(--transition-slow) forwards;
    flex: 1;
    padding: var(--spacing-lg) 0; /* Padding para telas */
}

.screen.active {
    display: flex;
    flex-direction: column;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(102, 126, 234, 0);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 
   Cadastro Screen
    */
#cadastroScreen {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    display: flex;
    align-items: center; /* Centraliza verticalmente */
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 100vh; /* Garante que o gradiente cubra a tela toda */
}

#cadastroScreen.active {
    display: flex;
}

#cadastroScreen .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 550px; /* Aumentado */
    padding: 0;
    width: 100%;
}

.logo-section {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--white);
    animation: slideDown 0.8s ease-out forwards;
    width: 100%;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.logo-section h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5em, 6vw, 3.5em);
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -1px;
}

.subtitle {
    font-size: clamp(1.1em, 3vw, 1.4em);
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
}

.form-container {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-modern);
    max-width: 550px;
    width: 100%;
    margin: 0 auto;
    animation: fadeIn 0.8s ease-out 0.2s forwards;
    opacity: 0; /* Para a animação fadeIn */
}

.form-container h2 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    margin: 0 0 var(--spacing-lg) 0;
    font-size: clamp(1.8em, 4vw, 2.2em);
    text-align: center;
    font-weight: 700;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--dark);
    font-size: 1em;
}

.form-group input {
    width: 100%;
    padding: 16px var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1.05em;
    font-family: var(--font-body);
    transition: all var(--transition-base);
    background: var(--light);
    color: var(--dark);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
    background: var(--white);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: var(--danger);
}

.form-group input:invalid:not(:placeholder-shown):focus {
    box-shadow: 0 0 0 4px rgba(245, 101, 101, 0.2);
}

/* 
   Buttons - Modernizados com Gradientes e Efeitos
    */
.btn,
.btn-primary,
.btn-secondary,
.btn-success,
.btn-back {
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1.05em;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    text-decoration: none;
    user-select: none;
    overflow: hidden; /* Para efeito de hover */
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--white);
    width: 100%;
    box-shadow: var(--shadow-modern);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--gradient-end), var(--gradient-start)); /* Inverte o gradiente */
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-neumorphic-light); /* Efeito de "pressionado" */
}

.btn-secondary {
    background: linear-gradient(135deg, var(--gradient-secondary-start), var(--gradient-secondary-end));
    color: var(--white);
    box-shadow: var(--shadow-modern);
}

.btn-secondary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--gradient-secondary-end), var(--gradient-secondary-start));
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-neumorphic-light);
}

.btn-success {
    background: linear-gradient(135deg, var(--gradient-success-start), var(--gradient-success-end));
    color: var(--white);
    width: 100%;
    box-shadow: var(--shadow-modern);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--gradient-success-end), var(--gradient-success-start));
}

.btn-success:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: var(--shadow-neumorphic-light);
}

.btn-back {
    background: var(--gray);
    color: var(--white);
    padding: 12px 24px;
    font-size: 0.95em;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-modern);
    border-radius: var(--border-radius-sm);
}

.btn-back:hover:not(:disabled) {
    background: var(--dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn:disabled,
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-success:disabled,
.btn-back:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    transform: none;
}

/* Focus melhorado para acessibilidade */
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-success:focus-visible,
.btn-back:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    box-shadow: 0 0 0 5px rgba(229, 90, 40, 0.3);
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .loading-spinner {
    display: block;
}

.loading-spinner {
    display: none;
    position: absolute;
    width: 24px;
    height: 24px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* 
   Header & Progress Bar
    */
.header {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-modern);
    margin-bottom: var(--spacing-lg);
    animation: fadeIn 0.6s ease-out forwards;
}

.header h1 {
    font-family: var(--font-heading);
    margin: 0 0 var(--spacing-sm) 0;
    font-size: clamp(1.8em, 5vw, 2.5em);
    color: var(--primary-dark);
    font-weight: 700;
}

.header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: clamp(1em, 2.5vw, 1.2em);
}

.user-info {
    color: var(--gray);
    font-size: 1em;
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.progress-bar {
    width: 100%;
    height: 25px; /* Aumentado */
    background-color: var(--gray-light);
    border-radius: 15px; /* Mais arredondado */
    overflow: hidden;
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-inset); /* Efeito de profundidade */
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.progress-header h3 {
    font-family: var(--font-heading);
    margin: 0;
    font-size: 1.2em;
    color: var(--dark);
}

.progress-percentage {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-success-start), var(--gradient-success-end)); /* Gradiente */
    width: 0%;
    transition: width var(--transition-base);
    border-radius: 15px;
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.3); /* Sombra suave */
}

.progress-text {
    font-size: 1em;
    color: var(--primary-dark);
    font-weight: 700;
    width: 100%;
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* 
   Info Screen
    */
.info-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-modern);
    animation: fadeIn 0.8s ease-out forwards;
}

.info-section h2 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xl);
    font-size: clamp(2em, 4vw, 2.5em);
    font-weight: 700;
    text-align: center;
}

.info-box {
    margin-bottom: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* CSS Grid */
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--light);
    border-radius: var(--border-radius-md);
    border-left: 5px solid var(--primary); /* Borda mais grossa */
    transition: all var(--transition-base);
    box-shadow: var(--shadow-neumorphic-light); /* Sombra moderna */
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent); /* Muda cor da borda no hover */
}

.info-item .icon {
    font-size: clamp(2.5em, 5vw, 3em);
    margin-right: var(--spacing-md);
    min-width: 60px;
    color: var(--primary);
    flex-shrink: 0;
    line-height: 1;
}

.info-item h3 {
    font-family: var(--font-heading);
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    font-size: clamp(1.2em, 2vw, 1.4em);
}

.info-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: clamp(0.95em, 1.5vw, 1.05em);
}

.important-note {
    background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--warning) 10%); /* Gradiente */
    border-left: 5px solid var(--warning);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-xl) 0;
    color: var(--dark);
    line-height: 1.7;
    box-shadow: var(--shadow-modern);
    font-size: clamp(1em, 1.5vw, 1.1em);
    font-weight: 500;
}

/* 
   Módulos Grid - Modernizado com CSS Grid
    */
.modulos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); /* Grid responsivo */
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.modulo-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-neumorphic-light); /* Sombra moderna */
    position: relative;
    border: 3px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.modulo-card.ativo:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.modulo-card.bloqueado {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--gray-light);
    border: 2px dashed var(--gray);
    box-shadow: var(--shadow-neumorphic-dark);
}

.modulo-card.bloqueado::after {
    content: "🔒";
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 1.8em;
    color: var(--dark);
}

.modulo-card.somente-leitura {
    border: 3px solid var(--success);
    background: var(--success-light);
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.2);
}

.modulo-card.somente-leitura:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(72, 187, 120, 0.4);
}

.modulo-card.concluido {
    border: 3px solid var(--success);
    background: var(--success-light);
}

.modulo-numero {
    font-family: var(--font-heading);
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.modulo-card h3 {
    font-family: var(--font-heading);
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1.1em, 2vw, 1.3em);
    font-weight: 700;
}

.modulo-status {
    font-size: 0.95em;
    color: var(--gray);
    margin-top: var(--spacing-sm);
    font-weight: 600;
    padding: 10px 15px;
    border-radius: 8px;
    text-align: center;
    margin: var(--spacing-sm) auto 0 auto; /* Centraliza */
    max-width: fit-content;
}

.modulo-card.concluido .modulo-status {
    background: var(--success);
    color: var(--white);
}

.modulo-card.bloqueado .modulo-status {
    background: var(--danger);
    color: var(--white);
}

/* 
   Quiz Screen - Modernizado com CSS Grid
    */
.quiz-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr; /* Conteúdo menor, quiz maior */
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.modulo-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-modern);
    max-height: 70vh; /* Altura relativa */
    overflow-y: auto;
    animation: fadeIn 0.6s ease-out forwards;
}

.conteudo-texto {
    color: var(--dark);
    line-height: 1.8;
    font-size: clamp(1em, 1.5vw, 1.1em);
}

.conteudo-texto h3, .conteudo-texto h4 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    margin: var(--spacing-md) 0 var(--spacing-xs) 0;
    font-weight: 700;
    font-size: clamp(1.3em, 2vw, 1.6em);
}

.conteudo-texto p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.conteudo-texto ul,
.conteudo-texto ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    list-style-position: inside; /* Para melhor controle */
}

.conteudo-texto li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

.conteudo-texto hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: var(--spacing-lg) 0;
}

.quiz-section {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-modern);
    animation: fadeIn 0.8s ease-out 0.2s forwards;
    opacity: 0;
    display: flex;
    flex-direction: column;
}

.quiz-section h2 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: clamp(1.5em, 2.5vw, 1.8em);
    font-weight: 700;
}

#perguntaTitulo {
    color: var(--primary);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

#perguntaTexto {
    color: var(--dark);
    font-size: clamp(1.05em, 1.8vw, 1.2em);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-weight: 600;
}

.respostas-container {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 15px; /* Espaçamento maior */
}

.resposta-btn {
    width: 100%;
    padding: 18px; /* Padding maior */
    border: 2px solid var(--border-color);
    background: var(--light);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-base);
    font-size: clamp(1em, 1.5vw, 1.1em);
    color: var(--dark);
    font-weight: 500;
    font-family: var(--font-body);
    box-shadow: var(--shadow-neumorphic-light); /* Sombra suave */
}

.resposta-btn:hover:not(.respondida):not(.bloqueado) {
    border-color: var(--primary);
    background: var(--white);
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
}

.resposta-btn.respondida {
    cursor: not-allowed;
    pointer-events: none;
}

.resposta-btn.bloqueado {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--gray-light);
    box-shadow: var(--shadow-neumorphic-dark);
}

.resposta-btn.correta {
    background: var(--success-light);
    border-color: var(--gradient-success-start);
    color: #22543d;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

.resposta-btn.correta::before {
    content: "✓ ";
    font-weight: 700;
    margin-right: 8px;
    color: var(--gradient-success-end);
}

.resposta-btn.errada {
    background: #fed7d7;
    border-color: var(--danger);
    color: #742a2a;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(245, 101, 101, 0.3);
}

.resposta-btn.errada::before {
    content: "✗ ";
    font-weight: 700;
    margin-right: 8px;
    color: var(--danger);
}

.resposta-btn:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* 
   Resultado Screen
    */
.resultado-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-modern);
    text-align: center;
    margin-top: var(--spacing-lg);
    max-width: 800px; /* Aumentado */
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.8s ease-out forwards;
}

.resultado-content {
    margin-bottom: var(--spacing-lg);
    animation: slideDown var(--transition-slow) ease-out forwards;
}

.resultado-icon {
    font-size: clamp(3.5em, 10vw, 5em);
    margin-bottom: var(--spacing-md);
    color: var(--primary);
    animation: bounce 1s infinite alternate; /* Animação mais suave */
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.resultado-titulo {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    font-size: clamp(2em, 4vw, 2.8em);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.resultado-pontuacao {
    font-size: clamp(3em, 8vw, 4.5em);
    font-weight: 800;
    margin: var(--spacing-md) 0;
    background: linear-gradient(45deg, var(--primary), var(--accent)); /* Gradiente */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: var(--primary); /* Fallback */
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.resultado-mensagem {
    color: var(--text-secondary);
    font-size: clamp(1em, 2vw, 1.2em);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.resultado-detalhes {
    background: var(--light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: left;
    color: var(--dark);
    font-size: clamp(0.95em, 1.5vw, 1.05em);
    box-shadow: var(--shadow-inset);
}

.resultado-detalhes p {
    margin-bottom: var(--spacing-xs);
}

.resultado-botoes {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* 
   Certificado Screen
    */
.certificado-container {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-modern);
    margin-top: var(--spacing-lg);
    max-width: 1000px; /* Aumentado */
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.8s ease-out forwards;
}

.certificado-preview {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--white);
    padding: clamp(40px, 10vw, 80px);
    border-radius: var(--border-radius-lg);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    border: 5px solid var(--accent); /* Borda mais grossa */
    box-shadow: var(--shadow-hover); /* Sombra mais proeminente */
    position: relative;
    overflow: hidden;
    /* Glassmorphism */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.certificado-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.certificado-logo {
    font-family: var(--font-heading);
    font-size: clamp(2em, 4vw, 3em);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    color: var(--accent);
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.certificado-titulo {
    font-family: var(--font-heading);
    font-size: clamp(2.5em, 5vw, 3.5em);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.certificado-texto {
    font-size: clamp(1em, 2vw, 1.3em);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.certificado-nome {
    font-family: var(--font-heading);
    font-size: clamp(1.8em, 4vw, 2.5em);
    font-weight: 700;
    margin: var(--spacing-xl) 0;
    text-transform: uppercase;
    color: var(--accent);
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.certificado-detalhes {
    font-size: clamp(0.95em, 1.5vw, 1.1em);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 2px solid rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 1;
}

.certificado-detalhes p {
    margin-bottom: var(--spacing-xs);
}

.certificado-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin: var(--spacing-xl) 0;
}

.certificado-buttons button {
    flex: 1;
    min-width: 250px; /* Aumentado */
}

.mensagem-envio {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin-top: var(--spacing-md);
    display: none;
    font-weight: 600;
    border-left: 5px solid transparent;
    box-shadow: var(--shadow-modern);
    animation: fadeIn 0.5s ease-out forwards;
}

.mensagem-envio.sucesso {
    background: var(--success-light);
    color: #22543d;
    border-left-color: var(--success);
    display: block;
}

.mensagem-envio.erro {
    background: #fed7d7;
    color: #742a2a;
    border-left-color: var(--danger);
    display: block;
}

/* 
   Video & Timer
    */
.video-sucesso {
    animation: slideDown var(--transition-slow) ease-in-out forwards;
}

.timer-box {
    background: var(--glass-bg); /* Glassmorphism */
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
    display: none;
    box-shadow: var(--shadow-modern);
    animation: fadeIn 0.5s ease-out forwards;
}

.timer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.timer-label {
    font-size: clamp(0.95em, 1.5vw, 1.1em);
    color: var(--white); /* Cor para contraste no glassmorphism */
    font-weight: 700;
    margin: 0;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.timer-circle {
    width: clamp(90px, 15vw, 120px);
    height: clamp(90px, 15vw, 120px);
    border-radius: 50%;
    background: var(--white);
    border: 4px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(2em, 4vw, 3em);
    font-weight: 700;
    color: var(--primary);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    animation: pulse 1.5s infinite alternate; /* Animação mais suave */
}

#videoTempo {
    font-size: 1em;
    color: var(--primary);
}

.timer-bar {
    width: 100%;
    height: 12px; /* Mais espesso */
    background: var(--gray-light);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-inset);
}

.timer-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    width: 0%;
    transition: width var(--transition-base);
    border-radius: 10px;
}

/* 
   Modal
    */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7); /* Fundo mais escuro */
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
    overflow-y: auto;
    animation: fadeIn 0.3s ease-out forwards;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    max-width: 950px; /* Aumentado */
    width: 100%;
    max-height: 90vh; /* Altura relativa */
    overflow-y: auto;
    padding: var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-hover);
    animation: slideDown 0.5s ease-out forwards;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    font-family: var(--font-heading);
    margin: 0;
    font-size: clamp(1.5em, 4vw, 2em);
    color: var(--dark);
    font-weight: 700;
}

.close-btn {
    background: var(--danger);
    color: white;
    border: none;
    width: 45px; /* Maior */
    height: 45px; /* Maior */
    border-radius: 50%;
    font-size: 28px; /* Maior */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
    box-shadow: var(--shadow-modern);
}

.close-btn:hover {
    background: #e53e3e;
    transform: rotate(90deg) scale(1.1);
    box-shadow: var(--shadow-hover);
}

.close-btn:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* 
   Footer
    */
.footer {
    background: linear-gradient(135deg, var(--white) 0%, var(--light) 100%);
    border-top: 2px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: auto;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.05);
}

.footer-container {
    max-width: 600px; /* Aumentado */
    margin: 0 auto;
    padding: 0;
    width: 100%;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer-text {
    color: var(--dark);
    font-size: clamp(0.9em, 1.5vw, 1em);
    line-height: 1.6;
    margin: 0;
}

.footer-text strong {
    color: var(--primary-dark);
    font-weight: 700;
    display: block;
    margin-bottom: 6px;
}

.footer-text a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
}

.footer-text a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.footer-copyright {
    color: var(--gray);
    font-size: clamp(0.8em, 1.2vw, 0.9em);
    margin: 0;
    font-weight: 500;
}

/* 
   Responsividade
    */
@media (max-width: 1200px) {
    .container {
        max-width: 100% - var(--spacing-md) * 2;
    }
}

@media (max-width: 1024px) {
    .quiz-container {
        grid-template-columns: 1fr; /* Uma coluna em telas menores */
    }
    .modulo-content {
        max-height: 50vh; /* Ajusta altura */
    }
    .certificado-preview {
        padding: clamp(30px, 8vw, 60px);
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    #cadastroScreen {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .logo-section h1 {
        font-size: 2em;
    }

    .subtitle {
        font-size: 1em;
    }

    .form-container {
        padding: var(--spacing-lg);
        border-radius: var(--border-radius-md);
    }

    .form-container h2 {
        font-size: 1.5em;
    }

    .info-box {
        grid-template-columns: 1fr; /* Uma coluna para info-items */
    }

    .info-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .info-item .icon {
        margin-right: 0;
        margin-bottom: var(--spacing-xs);
        min-width: auto;
    }

    .modulos-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .modulo-card {
        padding: var(--spacing-sm);
    }

    .header h1 {
        font-size: 1.5em;
    }

    .header p {
        font-size: 0.9em;
    }

    .progress-bar {
        height: 20px;
    }

    .quiz-section h2 {
        font-size: 1.3em;
    }

    #perguntaTexto {
        font-size: 1em;
    }

    .resposta-btn {
        padding: 14px;
        font-size: 0.95em;
    }

    .resultado-card {
        padding: var(--spacing-lg);
    }

    .resultado-titulo {
        font-size: 1.8em;
    }

    .resultado-pontuacao {
        font-size: 3em;
    }

    .certificado-preview {
        padding: 30px;
    }

    .certificado-titulo {
        font-size: 2em;
    }

    .certificado-nome {
        font-size: 1.5em;
    }

    .certificado-buttons,
    .resultado-botoes {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .certificado-buttons button,
    .resultado-botoes button {
        width: 100%;
        min-width: unset;
    }

    .modal-content {
        padding: var(--spacing-lg);
    }

    .modal-header h2 {
        font-size: 1.3em;
    }

    .close-btn {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }

    .footer {
        padding: var(--spacing-md) var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .logo-section h1 {
        font-size: 1.8em;
    }

    .subtitle {
        font-size: 0.9em;
    }

    .form-container {
        padding: var(--spacing-md);
    }

    .form-container h2 {
        font-size: 1.3em;
        margin-bottom: var(--spacing-md);
    }

    .form-group input {
        padding: 12px var(--spacing-sm);
        font-size: 16px; /* Previne zoom no iOS */
    }

    .header {
        padding: var(--spacing-md);
    }

    .header h1 {
        font-size: 1.2em;
        margin-bottom: 6px;
    }

    .header p {
        font-size: 0.9em;
    }

    .progress-header {
        flex-direction: column;
        gap: 8px;
    }

    .info-item {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .info-item .icon {
        font-size: 2em;
    }

    .modulo-numero {
        font-size: 1.3em;
    }

    .modulo-card h3 {
        font-size: 0.95em;
    }

    .resultado-card {
        padding: var(--spacing-lg);
    }

    .certificado-preview {
        padding: 20px;
    }

    .certificado-titulo {
        font-size: 1.5em;
    }

    .certificado-nome {
        font-size: 1.2em;
    }

    .certificado-buttons {
        gap: 8px;
    }

    .certificado-buttons button {
        min-width: 150px;
        padding: 12px;
    }

    .footer-container {
        max-width: 100%;
    }

    .footer-text,
    .footer-copyright {
        font-size: 0.85em;
    }
}

/* 
   Scrollbar Customizado & Acessibilidade
    */
::-webkit-scrollbar {
    width: 12px; /* Mais largo */
}

::-webkit-scrollbar-track {
    background: var(--light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    border: 3px solid var(--light); /* Borda para efeito 3D */
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-dark), var(--primary));
}

/* Utilitários */
.hidden {
    display: none !important;
}

/* Focus visível universal */
*:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px; /* Para elementos sem border-radius */
}

/* Redução de movimento para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: var(--black);
        --shadow-neumorphic-light: none;
        --shadow-neumorphic-dark: none;
        --shadow-modern: 0 0 0 2px var(--black);
        --shadow-hover: 0 0 0 3px var(--black);
        --shadow-inset: inset 0 0 0 2px var(--black);
        --glass-bg: var(--white);
        --glass-border: var(--black);
    }
    body {
        background: var(--white);
    }
    .form-container, .header, .info-section, .modulo-card, .quiz-section, .resultado-card, .certificado-container, .modal-content {
        border: 2px solid var(--black);
    }
    .timer-box {
        background: var(--white);
        border: 2px solid var(--black);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
    .timer-label {
        color: var(--dark);
    }
}

/* Aviso de Inatividade */
#avisoInatividade {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--warning-start), var(--warning-end));
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    display: none;
    z-index: 9999;
    box-shadow: var(--shadow-modern);
    animation: fadeIn 0.5s ease-out forwards;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

#avisoInatividade strong {
    font-weight: 700;
}