/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    
    /* Cores de texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    /* Cores de borda */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Cores de código */
    --code-bg: #1e293b;
    --code-text: #e2e8f0;
    --code-border: #334155;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 0.6rem;
    --spacing-2xl: 3rem;
    
    /* Bordas */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transições */
    --transition: all 0.2s ease-in-out;
}

/* ===== TIPOGRAFIA ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===== LAYOUT PRINCIPAL ===== */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== HEADER ===== */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.site-title:hover {
    text-decoration: none;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
    text-decoration: none;
}

/* ===== MAIN CONTENT ===== */
main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-2xl) 0;
}

/* ===== POSTS ===== */
.post {
    max-width: 100%;
    margin: 0 auto;
}

.post-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.post-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.post-meta > * {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.post-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
}

.post-content {
    line-height: 1.6;
    font-size: 1.125rem;
}

.post-content h2,
.post-content h3,
.post-content h4 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-light);
}

.post-content h2:first-child,
.post-content h3:first-child,
.post-content h4:first-child {
    margin-top: 0;
}

.post-content p {
    margin-bottom: var(--spacing-lg);
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-sm);
}

.post-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ===== IMAGENS ===== */
.post-content img {
    display: block;
    margin: var(--spacing-lg) auto;
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.post-content figure {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.post-content figure img {
    margin: 0 auto;
}

.post-content figcaption {
    margin-top: var(--spacing-sm);
    color: var(--text-muted);
    font-size: 0.875rem;
    font-style: italic;
}

/* ===== MERMAID ===== */
.post-content .mermaid {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-xl) auto;
    text-align: center;
    overflow-x: auto;
    max-width: 100%;
}

.post-content .mermaid svg {
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

/* Container para diagramas Mermaid */
.mermaid-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.mermaid-container .mermaid {
    margin: 0;
    padding: 0;
}

/* ===== CÓDIGO ===== */
.post-content pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    overflow-x: auto;
    margin: var(--spacing-xl) 0;
    border: 1px solid var(--code-border);
    position: relative;
}

.post-content pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

.post-content p code {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

/* Syntax Highlighting */
.highlight {
    background: var(--code-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin: var(--spacing-xl) 0;
    border: 1px solid var(--code-border);
}

.highlight pre {
    margin: 0;
    padding: var(--spacing-lg);
    background: transparent;
    border: none;
}

/* Code Block Wrapper */
.code-block-wrapper {
    position: relative;
    margin: var(--spacing-xl) 0;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--code-border);
    background: var(--code-bg);
}

.code-filename {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--code-border);
    font-weight: 500;
}

.code-block-wrapper pre {
    margin: 0;
}

/* ===== TABELAS ===== */
.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.post-content thead {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.post-content th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-content td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.post-content tbody tr:hover {
    background: var(--bg-secondary);
    transition: var(--transition);
}

.post-content tbody tr:last-child td {
    border-bottom: none;
}

/* Responsividade para tabelas */
@media (max-width: 767px) {
    .post-content table {
        font-size: 0.75rem;
    }
    
    .post-content th,
    .post-content td {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .post-content table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        border-radius: var(--border-radius);
    }
    
    .post-content th,
    .post-content td {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 6rem;
    }
}

/* ===== LISTA DE POSTS ===== */

.code-block-wrapper pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

/* ===== LISTA DE POSTS ===== */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 100%;
}

.post-item {
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
    max-width: 100%;
}

.post-item:last-child {
    border-bottom: none;
}

.post-item-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.post-item-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.post-item-title a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.post-item-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.post-item-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 0.2;
    font-size: 0.4 rem;
}

.post-item-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

/* ===== PAGINAÇÃO ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.875rem;
}

.pagination-item:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border-color: var(--primary-color);
    text-decoration: none;
}

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

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-item.disabled:hover {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.pagination-prev,
.pagination-next {
    font-weight: 600;
    min-width: 3rem;
}

.pagination-prev::before {
    content: "←";
    margin-right: var(--spacing-xs);
}

.pagination-next::after {
    content: "→";
    margin-left: var(--spacing-xs);
}

.pagination-ellipsis {
    color: var(--text-muted);
    padding: 0 var(--spacing-sm);
    font-weight: 500;
}

/* Responsividade da paginação */
@media (max-width: 767px) {
    .pagination {
        gap: var(--spacing-xs);
    }
    
    .pagination-item {
        min-width: 2rem;
        height: 2rem;
        font-size: 0.8rem;
        padding: 0 var(--spacing-xs);
    }
    
    .pagination-prev,
    .pagination-next {
        min-width: 2.5rem;
    }
}

@media (max-width: 480px) {
    .pagination {
        gap: 2px;
    }
    
    .pagination-item {
        min-width: 1.75rem;
        height: 1.75rem;
        font-size: 0.75rem;
        padding: 0 4px;
    }
    
    .pagination-prev,
    .pagination-next {
        min-width: 2rem;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-content {
    text-align: center;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-link {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary-color);
}

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

/* Desktop grande (acima de 1200px) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

/* Desktop médio (1000px - 1199px) */
@media (min-width: 1000px) and (max-width: 1199px) {
    .container {
        max-width: 1000px;
    }
}

/* Tablet (768px - 999px) */
@media (max-width: 999px) {
    .container {
        max-width: 95%;
        padding: 0 var(--spacing-sm);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .post-title {
        font-size: 2rem;
    }
    
    .post-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .post-content {
        font-size: 1rem;
    }
    
    .post-item-title {
        font-size: 1.5rem;
    }
    
    .post-item-excerpt {
        font-size: 1rem;
    }
    
    .post-item-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .post-content img {
        margin: var(--spacing-md) auto;
    }
}

/* Mobile (abaixo de 768px) */
@media (max-width: 767px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }
    
    .post-title {
        font-size: 1.75rem;
    }
    
    .post-content pre {
        padding: var(--spacing-md);
        font-size: 0.75rem;
    }
    
    .post-item-title {
        font-size: 1.25rem;
    }
    
    .post-item-excerpt {
        font-size: 0.95rem;
    }
    
    .post-item {
        padding-bottom: var(--spacing-md);
    }
    
    .posts-list {
        gap: var(--spacing-md);
    }
    
    .post-content img {
        margin: var(--spacing-sm) auto;
    }
}

/* Mobile pequeno (abaixo de 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .post-title {
        font-size: 1.5rem;
    }
    
    .post-item-title {
        font-size: 1rem;
    }
    
    .post-content {
        font-size: 0.9rem;
    }
}

/* ===== UTILITÁRIOS ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

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

/* Removido animação automática dos posts para evitar problemas */

/* ===== SCROLLBAR PERSONALIZADA ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== TEMA ESCURO ===== */
.dark-mode {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --border-light: #475569;
    --code-bg: #1e293b;
    --code-text: #e2e8f0;
    --code-border: #475569;
}

.dark-mode .post-content p code {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.dark-mode .tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.dark-mode .tag:hover {
    background: var(--primary-color);
    color: white;
}

.dark-mode .post-item {
    border-bottom-color: var(--border-color);
}

.dark-mode .header {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .footer {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .mermaid-container {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.dark-mode .pagination-item {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.dark-mode .pagination-item:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.dark-mode .pagination-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.dark-mode .pagination-item.disabled {
    opacity: 0.5;
}

.dark-mode .pagination-item.disabled:hover {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.dark-mode .pagination-ellipsis {
    color: var(--text-muted);
}

/* Estilos de tabela para modo escuro */
.dark-mode .post-content table {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.dark-mode .post-content thead {
    background: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
}

.dark-mode .post-content th {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

.dark-mode .post-content td {
    color: var(--text-secondary);
    border-bottom-color: var(--border-light);
}

.dark-mode .post-content tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Disqus Comments Styling */
.post-comments {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.post-comments h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

/* Disqus iframe styling */
.post-comments #disqus_thread {
    margin-top: 1rem;
}

.post-comments #disqus_thread iframe {
    border-radius: 8px;
    overflow: hidden;
}

/* Dark mode for Disqus */
.dark-mode .post-comments {
    border-top-color: var(--border-color);
}

.dark-mode .post-comments h3 {
    color: var(--text-primary);
}

/* Responsive Disqus */
@media (max-width: 767px) {
    .post-comments {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
    
    .post-comments h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
}