/* Mesmas variaveis do index.html */
:root {
--bg-color: #121212;
--surface-color: #1e1e1e;
--text-primary: #e0e0e0;
--text-secondary: #9e9e9e;
--accent-color: #4CAF50;
--border-color: #333333;
--font-mono: 'Consolas', 'Courier New', 'Courier', monospace;
}

/* Reset Global e Seletor Universal Corrigido */

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

/* Foco acessivel para navegacao por teclado (OPSEC/Acessibilidade) */
*:focus-visible {
outline: 2px dashed var(--accent-color);
outline-offset: 4px;
}

body {
background-color: var(--bg-color);
color: var(--text-primary);
font-family: var(--font-mono);
line-height: 1.6;
max-width: 800px;
margin: 0 auto;
padding: 20px;
-webkit-font-smoothing: antialiased;
}

/* =========================================
HEADER E NAVEGACAO
========================================= */
header {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
align-items: center;
border-bottom: 1px solid var(--border-color);
padding-bottom: 20px;
margin-bottom: 40px;
margin-top: 20px;
}

.logo {
font-size: 1.5rem;
font-weight: bold;
color: var(--text-primary);
text-decoration: none;
}

.logo span {
color: var(--accent-color);
}

nav {
display: flex;
gap: 20px;
}

nav a {
color: var(--text-secondary);
text-decoration: none;
transition: color 0.3s ease;
}

nav a:hover, nav a.active {
color: var(--accent-color);
}

.mobile-menu-btn {
display: none;
background: none;
border: 1px solid var(--border-color);
color: var(--text-primary);
padding: 5px 10px;
cursor: pointer;
font-family: var(--font-mono);
}

/* =========================================
ESTILOS DO ARTIGO
========================================= */
article {
background-color: var(--surface-color);
padding: 30px;
border-radius: 4px;
border: 1px solid var(--border-color);
}

.article-header {
border-bottom: 1px dashed var(--border-color);
padding-bottom: 20px;
margin-bottom: 30px;
}

.article-header h1 {
color: var(--accent-color);
margin-bottom: 10px;
line-height: 1.2;
}

.article-meta {
color: var(--text-secondary);
font-size: 0.9rem;
}

.article-content h2 {
margin-top: 40px;
margin-bottom: 15px;
color: var(--text-primary);
border-left: 4px solid var(--accent-color);
padding-left: 10px;
}

.article-content p {
margin-bottom: 20px;
color: var(--text-primary);
/* Alinhamento a esquerda previne rios em branco e facilita leitura */
text-align: left;
}

/* Imagens responsivas dentro dos artigos */
.article-content img {
max-width: 100%;
height: auto;
border-radius: 4px;
margin: 20px 0;
border: 1px solid var(--border-color);
}

.article-content a {
color: var(--accent-color);
text-decoration: none;
border-bottom: 1px dashed var(--accent-color);
}

.article-content a:hover {
background-color: var(--accent-color);
color: var(--bg-color);
}

/* =========================================
BLOCOS DE CODIGO E CITACOES
========================================= */
.article-content pre {
background-color: var(--bg-color);
border: 1px solid var(--border-color);
padding: 15px;
overflow-x: auto;
margin-bottom: 20px;
border-radius: 4px;
}

.article-content code {
font-family: var(--font-mono);
color: #ffb86c;
}

.article-content p code {
background-color: var(--bg-color);
padding: 2px 5px;
border-radius: 3px;
border: 1px solid var(--border-color);
}

.article-content blockquote {
border-left: 4px solid var(--text-secondary);
padding-left: 15px;
margin: 20px 0;
color: var(--text-secondary);
font-style: italic;
}

.back-link {
display: inline-block;
margin-top: 30px;
color: var(--text-secondary);
text-decoration: none;
}

.back-link:hover {
color: var(--accent-color);
}

/* =========================================
FOOTER E RESPONSIVIDADE
========================================= */
footer {
border-top: 1px solid var(--border-color);
padding-top: 20px;
margin-top: 40px;
text-align: center;
font-size: 0.9rem;
color: var(--text-secondary);
}

@media (max-width: 600px) {
header {
flex-direction: column;
align-items: flex-start;
gap: 15px;
}
.mobile-menu-btn {
display: block;
align-self: flex-end;
margin-top: -40px;
}
nav {
display: none;
flex-direction: column;
width: 100%;
gap: 10px;
}
nav.open {
display: flex;
}
article {
padding: 15px;
}
}