/* CSS customizado para Fixei Concursos */

/* Importar fontes do Google e ícones do Bootstrap */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Fontes */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Variáveis do Tema Padrão */
    --bg-app: #f1f5f9; /* Azul/Cinza pastel ultra suave */
    --bg-card: #ffffff;
    --bg-header: #0f172a; /* Azul escuro premium */
    --text-header: #ffffff;
    --text-primary: #0f172a; /* Azul escuro/preto */
    --text-secondary: #475569; /* Cinza médio */
    --text-muted: #94a3b8;
    
    --color-primary: #1d4ed8; /* Azul escuro corporativo */
    --color-primary-rgb: 29, 78, 216;
    --color-secondary: #0ea5e9; /* Azul claro */
    --color-secondary-light: #e0f2fe; /* Azul pastel */
    
    --color-accent: #eab308; /* Amarelo */
    --color-accent-rgb: 234, 179, 8;
    
    --color-success: #10b981; /* Verde */
    --color-danger: #ef4444; /* Vermelho */
    --color-warning: #f59e0b; /* Amarelo escuro */
    
    --border-color: #cbd5e1;
    --focus-ring: 0 0 0 0.25rem rgba(29, 78, 216, 0.25);
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --card-shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition-speed: 0.3s;
}

/* Tema de Alto Contraste */
[data-theme="alto-contraste"] {
    --bg-app: #000000;
    --bg-card: #121212;
    --bg-header: #000000;
    --text-header: #ffff00;
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #cbd5e1;
    
    --color-primary: #ffff00; /* Amarelo de alto contraste */
    --color-primary-rgb: 255, 255, 0;
    --color-secondary: #00ffff; /* Ciano de alto contraste */
    --color-secondary-light: #112222;
    
    --color-accent: #ffff00;
    --color-accent-rgb: 255, 255, 0;
    
    --color-success: #00ff00;
    --color-danger: #ff0000;
    --color-warning: #ffff00;
    
    --border-color: #ffffff;
    --focus-ring: 0 0 0 3px #ffff00;
    --card-shadow: none;
    --card-shadow-hover: none;
}

/* Tamanhos de Fonte */
.font-size-sm { font-size: 0.875rem !important; }
.font-size-md { font-size: 1rem !important; }
.font-size-lg { font-size: 1.125rem !important; }
.font-size-xl { font-size: 1.25rem !important; }

/* Estilos Globais */
body {
    font-family: var(--font-body);
    background-color: var(--bg-app);
    color: var(--text-primary);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Skip link de acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: #000 !important;
    padding: 8px;
    z-index: 10000;
    transition: top 0.2s;
    font-weight: bold;
}
.skip-link:focus {
    top: 0;
}

/* Header & Navbar */
header, .navbar {
    background-color: var(--bg-header) !important;
    border-bottom: 2px solid var(--border-color);
}
.navbar-brand, .nav-link {
    color: var(--text-header) !important;
}
.nav-link:hover, .nav-link:focus {
    color: var(--color-primary) !important;
    text-decoration: underline;
}
[data-theme="alto-contraste"] .nav-link:hover, 
[data-theme="alto-contraste"] .nav-link:focus {
    color: var(--color-primary) !important;
}

/* Estilo dos Cards do Sistema */
.card-fixei {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

/* Efeito Hover nos Cards de Benefícios da Home */
.card-hover-effect {
    cursor: pointer;
}
.card-hover-effect:hover, .card-hover-effect:focus-within {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--color-secondary);
}
.card-hover-effect:focus-within {
    outline: 2px solid var(--color-primary);
}
.card-hover-effect .icon-box {
    transition: transform var(--transition-speed);
}
.card-hover-effect:hover .icon-box {
    transform: rotate(5deg) scale(1.1);
}

/* Animações e Efeitos ao Scroll (IntersectionObserver) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .card-hover-effect, .card-hover-effect:hover, .card-hover-effect .icon-box {
        transform: none !important;
        transition: none !important;
    }
}

/* Foco de Teclado Acessível */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
    box-shadow: var(--focus-ring) !important;
    outline: none !important;
}

/* Botões */
.btn-primary {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}
.btn-primary:hover, .btn-primary:focus {
    background-color: #1e40af;
    border-color: #1e40af;
}
[data-theme="alto-contraste"] .btn-primary {
    background-color: #000;
    border-color: #ffff00;
    color: #ffff00;
}
[data-theme="alto-contraste"] .btn-primary:hover, 
[data-theme="alto-contraste"] .btn-primary:focus {
    background-color: #ffff00;
    color: #000;
}

.btn-secondary {
    background-color: #0ea5e9;
    border-color: #0ea5e9;
}
.btn-secondary:hover, .btn-secondary:focus {
    background-color: #0284c7;
    border-color: #0284c7;
}
[data-theme="alto-contraste"] .btn-secondary {
    background-color: #000;
    border-color: #00ffff;
    color: #00ffff;
}
[data-theme="alto-contraste"] .btn-secondary:hover,
[data-theme="alto-contraste"] .btn-secondary:focus {
    background-color: #00ffff;
    color: #000;
}

/* Estilos da Árvore de Disciplinas Administrativa */
.tree-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}
.tree-node {
    margin-left: 20px;
    border-left: 1px dashed var(--border-color);
    padding-left: 15px;
    position: relative;
    margin-top: 5px;
}
.tree-node::before {
    content: "";
    position: absolute;
    top: 15px;
    left: 0;
    width: 12px;
    height: 1px;
    border-top: 1px dashed var(--border-color);
}
.tree-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    border-radius: 6px;
    background-color: rgba(224, 242, 254, 0.3);
    margin-bottom: 5px;
    transition: background-color var(--transition-speed);
}
.tree-header:hover {
    background-color: var(--color-secondary-light);
}
[data-theme="alto-contraste"] .tree-header:hover {
    background-color: #1a1a1a;
}
.tree-title {
    font-weight: 500;
    cursor: pointer;
    flex-grow: 1;
    padding-left: 5px;
    user-select: none;
}
.tree-title-editable {
    border: 1px solid var(--color-primary);
    padding: 2px 5px;
    border-radius: 4px;
    background: var(--bg-card);
    color: var(--text-primary);
    width: 100%;
}
.tree-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.tree-toggle-btn {
    cursor: pointer;
    font-size: 1.1rem;
    margin-right: 5px;
    user-select: none;
}
.tree-node.collapsed > .tree-children {
    display: none;
}
.node-disabled {
    opacity: 0.6;
    text-decoration: line-through;
}

/* Estilo do Card de Estudos */
.study-card-container {
    width: 100%;
}
.study-card-inner {
    position: relative;
    width: 100%;
}
.study-card-front, .study-card-back {
    width: 100%;
    border-radius: 16px;
    padding: 30px;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: opacity 0.3s ease;
}
.study-card-front {
    opacity: 1;
}
.study-card-back {
    opacity: 0;
}

/* Escala de Esforço */
.effort-scale {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}
.effort-btn {
    flex: 1;
    min-width: 120px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 12px;
    font-weight: 500;
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-decoration: none !important;
    cursor: pointer !important;
}
.effort-btn:hover, .effort-btn:focus {
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary);
}
[data-theme="alto-contraste"] .effort-btn:hover,
[data-theme="alto-contraste"] .effort-btn:focus {
    background-color: #ffff00;
    color: #000;
}
.effort-btn.active {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
[data-theme="alto-contraste"] .effort-btn.active {
    background-color: #ffff00;
    color: #000;
    border-color: #ffff00;
}

/* Comentários e Fórum */
.comment-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}
.comment-reply {
    margin-left: 40px;
    border-left: 2px solid var(--color-secondary);
    padding-left: 15px;
}
.comment-score {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.vote-active-up {
    color: var(--color-success) !important;
}
.vote-active-down {
    color: var(--color-danger) !important;
}

/* DataTable Personalizado para Alto Contraste */
[data-theme="alto-contraste"] .dataTables_wrapper,
[data-theme="alto-contraste"] table.dataTable {
    color: #fff !important;
}
[data-theme="alto-contraste"] table.dataTable tbody tr {
    background-color: #121212 !important;
    color: #fff !important;
}
[data-theme="alto-contraste"] table.dataTable thead th {
    border-bottom: 2px solid #fff !important;
    background-color: #000 !important;
}
[data-theme="alto-contraste"] .page-link {
    background-color: #000 !important;
    color: #fff !important;
    border-color: #fff !important;
}
[data-theme="alto-contraste"] .page-item.active .page-link {
    background-color: #ffff00 !important;
    color: #000 !important;
}

/* Alertas de Notificação Acessíveis */
.alert-fixei {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    min-width: 300px;
    max-width: 450px;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    animation: slideIn 0.3s ease-out;
}
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Rodapé */
footer {
    background-color: var(--bg-header);
    color: #f8fafc !important; /* White text with excellent contrast */
    border-top: 2px solid var(--border-color);
}
footer .text-muted {
    color: #cbd5e1 !important; /* Light gray text with excellent contrast */
}
footer a {
    color: #cbd5e1 !important; /* Light gray links with excellent contrast */
    text-decoration: none;
    transition: color var(--transition-speed);
}
footer a:hover, footer a:focus {
    color: var(--color-secondary) !important; /* Sky blue/cyan hover */
    text-decoration: underline;
}

/* Alto contraste overrides para rodapé */
[data-theme="alto-contraste"] footer {
    background-color: #000000;
    color: #ffffff !important;
    border-top: 2px solid #ffffff;
}
[data-theme="alto-contraste"] footer .text-muted {
    color: #ffffff !important;
}
[data-theme="alto-contraste"] footer a {
    color: #00ffff !important; /* Ciano de alto contraste */
}
[data-theme="alto-contraste"] footer a:hover, 
[data-theme="alto-contraste"] footer a:focus {
    color: #ffff00 !important; /* Amarelo de alto contraste */
    text-decoration: underline;
}

/* Custom study tabs styling */
#studyTab {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
    gap: 15px;
}
#studyTab .nav-item {
    margin-bottom: -2px;
}
#studyTab .nav-link {
    background-color: var(--color-secondary-light); /* Fundo pastel claro */
    color: var(--color-primary) !important; /* Texto azul escuro/cor-primaria */
    border: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0; /* Aparência de aba de verdade */
    padding: 12px 24px;
    font-weight: 600;
    transition: all var(--transition-speed);
}
#studyTab .nav-link:hover, #studyTab .nav-link:focus {
    background-color: var(--color-secondary); /* Azul claro */
    color: #ffffff !important; /* Texto branco */
    border-color: var(--color-secondary);
    text-decoration: none;
}
#studyTab .nav-link.active {
    background-color: var(--bg-header); /* Azul escuro premium do sistema */
    color: #ffffff !important; /* Texto branco */
    border-color: var(--bg-header);
    border-bottom-color: transparent;
    box-shadow: var(--card-shadow);
}

/* Alto contraste overrides para study tabs */
[data-theme="alto-contraste"] #studyTab {
    border-bottom: 2px solid #ffffff;
}
[data-theme="alto-contraste"] #studyTab .nav-link {
    background-color: #000000;
    color: #00ffff !important; /* Ciano de alto contraste */
    border: 2px solid #ffffff;
}
[data-theme="alto-contraste"] #studyTab .nav-link:hover, 
[data-theme="alto-contraste"] #studyTab .nav-link:focus {
    background-color: #00ffff;
    color: #000000 !important;
    border-color: #00ffff;
}
[data-theme="alto-contraste"] #studyTab .nav-link.active {
    background-color: #ffff00; /* Amarelo de alto contraste */
    color: #000000 !important;
    border-color: #ffff00;
}

/* Study Options Styling */
.study-option {
    display: flex;
    align-items: flex-start;
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    text-align: left;
    transition: all var(--transition-speed) ease-in-out;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    overflow-wrap: anywhere;
    word-break: normal;
    max-width: 100%;
}
.study-option-label {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-secondary-light);
    color: var(--color-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-size: 1rem;
    transition: all var(--transition-speed);
}
.study-option-content {
    flex-grow: 1;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    overflow-wrap: anywhere;
    word-break: normal;
    max-width: calc(100% - 44px);
}
.study-option-content p:last-child {
    margin-bottom: 0;
}
.study-option-content p {
    margin-bottom: 8px;
}

.study-option:hover, .study-option:focus {
    border-color: var(--color-primary);
    background-color: var(--color-secondary-light);
    box-shadow: 0 4px 8px rgba(29, 78, 216, 0.15);
    outline: none;
    color: var(--color-primary);
}
.study-option:hover .study-option-content, 
.study-option:focus .study-option-content,
.study-option:hover .study-option-content *, 
.study-option:focus .study-option-content * {
    color: var(--text-primary) !important;
}
.study-option:hover .study-option-label,
.study-option:focus .study-option-label {
    background-color: var(--color-primary);
    color: #ffffff;
}

.study-option.correct-option {
    border-color: var(--color-success) !important;
    background-color: rgba(16, 185, 129, 0.1) !important;
}
.study-option.correct-option .study-option-label {
    background-color: var(--color-success) !important;
    color: #ffffff !important;
}
.study-option.incorrect-option {
    border-color: var(--color-danger) !important;
    background-color: rgba(239, 68, 68, 0.1) !important;
}
.study-option.incorrect-option .study-option-label {
    background-color: var(--color-danger) !important;
    color: #ffffff !important;
}

/* Alto contraste overrides para opções do estudo */
[data-theme="alto-contraste"] .study-option {
    border: 2px solid #ffffff;
    background-color: #000000;
    color: #ffffff;
}
[data-theme="alto-contraste"] .study-option-label {
    background-color: #000000;
    color: #00ffff;
    border: 1px solid #00ffff;
}
[data-theme="alto-contraste"] .study-option:hover, 
[data-theme="alto-contraste"] .study-option:focus {
    border-color: #ffff00;
    background-color: #ffff00;
    color: #000000;
}
[data-theme="alto-contraste"] .study-option:hover .study-option-content,
[data-theme="alto-contraste"] .study-option:focus .study-option-content,
[data-theme="alto-contraste"] .study-option:hover .study-option-content *,
[data-theme="alto-contraste"] .study-option:focus .study-option-content * {
    color: #000000 !important;
}
[data-theme="alto-contraste"] .study-option:hover .study-option-label,
[data-theme="alto-contraste"] .study-option:focus .study-option-label {
    background-color: #000000;
    color: #ffff00;
    border-color: #ffff00;
}
[data-theme="alto-contraste"] .study-option.correct-option {
    border-color: #00ff00 !important;
}
[data-theme="alto-contraste"] .study-option.incorrect-option {
    border-color: #ff0000 !important;
}

/* Study Explanation Safety Container */
.study-explanation-content {
    overflow-wrap: anywhere;
    word-break: normal;
    max-width: 100%;
}
.study-explanation-content p {
    margin-bottom: 10px;
}
.study-explanation-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.study-explanation-content table {
    width: 100%;
    max-width: 100%;
    margin-bottom: 1rem;
    background-color: transparent;
    border-collapse: collapse;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.study-explanation-content ul, .study-explanation-content ol {
    padding-left: 20px;
    margin-bottom: 10px;
    max-width: 100%;
}

/* Destaque de Busca na Árvore */
.search-highlight {
    background-color: #fef08a !important; /* Amarelo brilhante suave */
    color: #0c0a09 !important; /* Texto escuro para contraste */
    padding: 0 2px;
    border-radius: 2px;
}
[data-theme="alto-contraste"] .search-highlight {
    background-color: #ffff00 !important; /* Amarelo puro */
    color: #000000 !important;
}

/* Editor WYSIWYG Simples */
.wysiwyg-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}
.wysiwyg-toolbar {
    background-color: rgba(224, 242, 254, 0.3);
    border-bottom: 1px solid var(--border-color);
    padding: 6px 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}
.wysiwyg-btn {
    padding: 3px 8px;
    font-size: 0.875rem;
    border-radius: 4px;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed);
}
.wysiwyg-btn:hover {
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary);
}
.wysiwyg-btn.active {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}
.wysiwyg-color-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 4px;
}
.wysiwyg-color-picker {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    background: none;
}
.wysiwyg-color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}
.wysiwyg-color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 3px;
}
.wysiwyg-editable {
    min-height: 120px;
    padding: 12px;
    outline: none;
    background-color: #ffffff;
    color: #000000;
    overflow-y: auto;
    font-family: var(--font-body);
}
[data-theme="alto-contraste"] .wysiwyg-toolbar {
    background-color: #000000;
    border-bottom: 1px solid #ffffff;
}
[data-theme="alto-contraste"] .wysiwyg-btn {
    color: #ffffff;
    border: 1px solid #ffffff;
}
[data-theme="alto-contraste"] .wysiwyg-btn:hover {
    background-color: #ffff00;
    color: #000000;
}
[data-theme="alto-contraste"] .wysiwyg-btn.active {
    background-color: #ffff00;
    color: #000000;
}
[data-theme="alto-contraste"] .wysiwyg-editable {
    background-color: #000000;
    color: #ffffff;
}

/* Modelos JSON tabs */
#jsonModelTabs .nav-link {
    color: var(--text-secondary);
    background-color: #f1f5f9;
    border: 1px solid var(--border-color);
    margin-right: 4px;
    border-radius: 6px 6px 0 0;
    transition: all var(--transition-speed);
}
#jsonModelTabs .nav-link:hover {
    color: var(--color-primary);
    background-color: var(--color-secondary-light);
    border-color: var(--color-secondary);
}
#jsonModelTabs .nav-link.active {
    color: #ffffff !important;
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

[data-theme="alto-contraste"] #jsonModelTabs .nav-link {
    color: #ffffff;
    background-color: #000000;
    border: 1px solid #ffffff;
}
[data-theme="alto-contraste"] #jsonModelTabs .nav-link:hover {
    background-color: #ffff00;
    color: #000000;
}
[data-theme="alto-contraste"] #jsonModelTabs .nav-link.active {
    background-color: #ffff00 !important;
    color: #000000 !important;
    border-color: #ffff00 !important;
}