:root {
    /* Paleta Dark Mode Minimalista */
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --text-primary: #e0e0e0;
    --text-secondary: #9e9e9e;
    --accent-color: #4CAF50;
    --border-color: #333333;
    /* Tipografia Segura e Monoespaçada */
    --font-mono: 'Consolas', 'Courier New', 'Courier', monospace;
}

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

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;
    /* Suaviza a renderização da fonte */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   HEADER E NAVEGAÇÃO
   ========================================= */
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 DA PÁGINA INICIAL (INDEX)
   ========================================= */
main section {
    margin-bottom: 50px;
}

h1, h2, h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: normal;
}

p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.article-list {
    list-style: none;
}

.article-item {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--surface-color);
    border-radius: 4px;
    border-left: 4px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.article-item:hover {
    border-left-color: var(--accent-color);
}

.article-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

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

.article-title a:hover {
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
}

.article-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* =========================================
   ESTILOS DOS ARTIGOS (TEMPLATE)
   ========================================= */
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-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 {
    color: var(--text-primary);
    text-align: justify;
}

.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 Código e Citações */
.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; /* Tom de destaque laranja suave */
}

.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
   ========================================= */
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);
}

/* =========================================
   RESPONSIVIDADE (MOBILE)
   ========================================= */
@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;
    }
}