/**
 * Dark Mode - Blog iNoveFast
 * Sistema de temas claro/escuro com transições suaves
 */

/* ========== Variáveis de Cor (Light Mode - Padrão) ========== */
:root {
    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    
    /* Cores de texto */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    /* Cores de borda */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    /* Cores de destaque */
    --accent-primary: #0d6efd;
    --accent-secondary: #6c757d;
    --accent-success: #198754;
    --accent-danger: #dc3545;
    --accent-warning: #ffc107;
    --accent-info: #0dcaf0;
    
    /* Sombras */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Código */
    --code-bg: #f8f9fa;
    --code-border: #e9ecef;
    --code-text: #d63384;
    
    /* Cards */
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    
    /* Inputs */
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus: #86b7fe;
}

/* ========== Variáveis de Cor (Dark Mode) ========== */
[data-theme="dark"] {
    /* Cores de fundo */
    --bg-primary: #1a1d23;
    --bg-secondary: #212529;
    --bg-tertiary: #2c3136;
    
    /* Cores de texto */
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    
    /* Cores de borda */
    --border-color: #495057;
    --border-light: #343a40;
    
    /* Cores de destaque (ajustadas para dark) */
    --accent-primary: #4d94ff;
    --accent-secondary: #868e96;
    --accent-success: #28a745;
    --accent-danger: #e74c3c;
    --accent-warning: #f39c12;
    --accent-info: #17a2b8;
    
    /* Sombras (mais sutis em dark mode) */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.7);
    
    /* Código */
    --code-bg: #2d2d2d;
    --code-border: #3d3d3d;
    --code-text: #ff79c6;
    
    /* Cards */
    --card-bg: #212529;
    --card-border: #495057;
    
    /* Inputs */
    --input-bg: #2c3136;
    --input-border: #495057;
    --input-focus: #4d94ff;
}

/* ========== Aplicação Global ========== */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 1rem;
    line-height: 1.6;
}

/* Garantir consistência de fonte */
body,
.article-content,
.card,
.list-group-item,
.form-control,
.btn,
p,
li,
td,
th {
    color: var(--text-primary);
}

/* Garantir tamanhos de fonte consistentes */
.card-body,
.list-group-item,
.alert,
.breadcrumb-item,
.badge,
.pagination .page-link {
    font-size: 1rem;
}

.lead {
    font-size: 1.1rem;
}

small,
.small {
    font-size: 0.875rem;
}

/* Headings consistentes */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-primary);
    font-weight: 600;
}

/* Article content headings */
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--accent-primary);
    text-decoration: none;
}

a:hover {
    color: var(--accent-primary);
    opacity: 0.8;
    text-decoration: underline;
}

/* Text utilities */
.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

/* ========== Elementos Base ========== */
a {
    color: var(--accent-primary);
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-primary);
    filter: brightness(1.2);
}

/* ========== Cards e Containers ========== */
.card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-header {
    background-color: var(--bg-secondary);
    border-bottom-color: var(--border-color);
}

.card-body {
    color: var(--text-primary);
}

/* ========== Bordas ========== */
.border,
.border-top,
.border-bottom,
.border-start,
.border-end {
    border-color: var(--border-color) !important;
}

hr {
    border-color: var(--border-color);
    opacity: 1;
}

/* ========== Backgrounds ========== */
.bg-light {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

.bg-white {
    background-color: var(--card-bg) !important;
}

/* ========== Textos ========== */
.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-dark {
    color: var(--text-primary) !important;
}

/* ========== Code Blocks ========== */
code {
    background-color: var(--code-bg);
    border: 1px solid var(--code-border);
    color: var(--code-text);
}

pre {
    background-color: var(--code-bg);
    border: 1px solid var(--code-border);
}

/* ========== Forms ========== */
.form-control,
.form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(77, 148, 255, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-label {
    color: var(--text-primary);
}

.form-text {
    color: var(--text-secondary);
}

textarea.form-control {
    color: var(--text-primary);
}

/* Autofill fix for dark mode */
[data-theme="dark"] .form-control:-webkit-autofill,
[data-theme="dark"] .form-control:-webkit-autofill:hover,
[data-theme="dark"] .form-control:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--input-bg) inset;
    -webkit-text-fill-color: var(--text-primary);
    transition: background-color 5000s ease-in-out 0s;
}

/* ========== Badges ========== */
.badge {
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] .badge.bg-light {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* ========== Buttons ========== */
.btn-outline-secondary,
.btn-outline-primary {
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-secondary:hover,
.btn-outline-primary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

/* ========== Adaptação dos Estilos de Título ========== */

/* Modern Gradient - ajusta sombra em dark mode */
[data-theme="dark"] .article-title.modern-gradient {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
}

[data-theme="dark"] .article-title.modern-gradient h1 {
    color: white;
}

/* Classic - inverte para dark mode */
.article-title.classic {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-left-color: var(--accent-primary);
}

[data-theme="dark"] .article-title.classic {
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

[data-theme="dark"] .article-title.classic h1 {
    color: var(--text-primary);
}

/* Minimal - adapta ao fundo */
.article-title.minimal {
    background-color: transparent;
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .article-title.minimal h1 {
    color: var(--text-primary);
}

/* Bold Shadow - mantém vibrante */
[data-theme="dark"] .article-title.bold-shadow {
    box-shadow: 0 15px 35px rgba(245, 87, 108, 0.6);
}

[data-theme="dark"] .article-title.bold-shadow h1 {
    color: white;
}

/* Elegant - ajusta para dark mode */
[data-theme="dark"] .article-title.elegant {
    background: linear-gradient(135deg, #1a1d23 0%, #2c3136 100%);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .article-title.elegant h1 {
    color: var(--text-primary);
}

/* Colorful - mantém vibrante */
[data-theme="dark"] .article-title.colorful {
    box-shadow: 0 12px 30px rgba(250, 139, 255, 0.6);
}

[data-theme="dark"] .article-title.colorful h1 {
    color: white;
}

/* Custom - adapta ao tema */
[data-theme="dark"] .article-title.custom {
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

/* Meta info dentro do título */
.article-title .article-meta {
    border-top-color: rgba(255,255,255,0.2);
}

[data-theme="dark"] .article-title.classic .article-meta,
[data-theme="dark"] .article-title.minimal .article-meta {
    border-top-color: var(--border-color);
}

/* Social share buttons */
[data-theme="dark"] .article-title .social-share .btn {
    border-color: var(--border-color);
}

[data-theme="dark"] .article-title.classic .social-share .btn,
[data-theme="dark"] .article-title.minimal .social-share .btn {
    color: var(--text-primary);
}

/* ========== Comentários ========== */
.comment {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.comment-header {
    border-bottom-color: var(--border-light);
}

.comment-body {
    color: var(--text-primary);
}

/* ========== Sidebar ========== */
.sidebar {
    background-color: var(--bg-secondary);
}

.sidebar .card {
    background-color: var(--card-bg);
}

/* ========== Article Content ========== */
.article-content {
    color: var(--text-primary);
}

.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5,
.article-content h6 {
    color: var(--text-primary);
    border-bottom-color: var(--border-light);
}

.article-content blockquote {
    border-left-color: var(--accent-primary);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.article-content table {
    color: var(--text-primary);
}

.article-content table th {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.article-content table td {
    border-color: var(--border-color);
}

.article-content table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* ========== Images ========== */
.article-content img,
.article-content figure img {
    border: 1px solid var(--border-light);
}

[data-theme="dark"] .article-content img,
[data-theme="dark"] .article-content figure img {
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

[data-theme="dark"] .article-content img:hover,
[data-theme="dark"] .article-content figure img:hover {
    opacity: 1;
}

/* ========== Prism.js Dark Mode ========== */
[data-theme="dark"] pre[class*="language-"] {
    background: #2d2d2d;
    border-color: #3d3d3d;
}

[data-theme="dark"] code[class*="language-"] {
    color: #f8f8f2;
}

/* ========== Alerts ========== */
.alert {
    border-color: var(--border-color);
}

[data-theme="dark"] .alert-info {
    background-color: #1a3a47;
    border-color: #17a2b8;
    color: #b3d9e6;
}

[data-theme="dark"] .alert-success {
    background-color: #1a3d28;
    border-color: #28a745;
    color: #b3e6c4;
}

[data-theme="dark"] .alert-warning {
    background-color: #4a3a1a;
    border-color: #f39c12;
    color: #f4d5a3;
}

[data-theme="dark"] .alert-danger {
    background-color: #4a1a1a;
    border-color: #e74c3c;
    color: #f4b3b3;
}

/* ========== Pagination ========== */
.pagination .page-link {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.pagination .page-link:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* ========== List Group ========== */
.list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.list-group-item-action {
    color: var(--text-primary);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
}

.list-group-item.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

[data-theme="dark"] .list-group-item {
    transition: all 0.3s ease;
}

[data-theme="dark"] .list-group-item-action:hover {
    transform: translateX(4px);
}

/* ========== Breadcrumb ========== */
.breadcrumb-item,
.breadcrumb-item a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

/* ========== Modal (se usar) ========== */
.modal-content {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.modal-header {
    border-bottom-color: var(--border-color);
}

.modal-footer {
    border-top-color: var(--border-color);
}

/* ========== Navbar ========== */
.navbar {
    background-color: var(--card-bg) !important;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand,
.nav-link {
    color: var(--text-primary) !important;
}

.nav-link:hover {
    color: var(--accent-primary) !important;
}

/* ========== Footer ========== */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

footer a {
    color: var(--text-secondary);
}

footer a:hover {
    color: var(--accent-primary);
}

/* Manter cores de texto específicas do footer */
[data-theme="dark"] footer .text-white {
    color: var(--text-primary) !important;
}

[data-theme="dark"] footer .text-white-50 {
    color: var(--text-secondary) !important;
}

/* ========== Scrollbar Dark Mode ========== */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
    background: var(--bg-primary);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #495057;
}

/* ========== Toggle Switch Styles ========== */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 8px 16px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.theme-toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
    background-color: var(--bg-tertiary);
    border-radius: 50px;
    transition: background-color 0.3s ease;
}

.theme-toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background-color: var(--card-bg);
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

[data-theme="dark"] .theme-toggle-switch {
    background-color: var(--accent-primary);
}

[data-theme="dark"] .theme-toggle-slider {
    transform: translateX(24px);
}

.theme-toggle-icon {
    font-size: 18px;
    transition: opacity 0.3s ease;
}

.theme-toggle-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    user-select: none;
}

/* Ícones do toggle */
.icon-sun,
.icon-moon {
    transition: transform 0.3s ease;
}

[data-theme="light"] .icon-moon {
    opacity: 0.3;
}

[data-theme="dark"] .icon-sun {
    opacity: 0.3;
}

/* Mobile adjustments para o toggle */
@media (max-width: 768px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
        padding: 6px 12px;
    }
    
    .theme-toggle-label {
        display: none;
    }
}

/* ========== Transition Smoothing ========== */
* {
    transition-property: background-color, border-color, color, box-shadow;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

/* Elementos que não devem ter transição */
a,
button,
.btn,
img,
video {
    transition-property: transform, opacity;
}

/* ========== Print Mode ========== */
@media print {
    .theme-toggle {
        display: none !important;
    }
    
    [data-theme="dark"] {
        --bg-primary: #ffffff;
        --text-primary: #000000;
    }
}

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Respeitar preferência do sistema (opcional) */
@media (prefers-color-scheme: dark) {
    /* Pode-se definir dark como padrão se o usuário não tiver preferência salva */
}