/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-color: #1e1e20;
  --text-color: #d1d5db;
  --heading-color: #ffffff;
  --accent-color: #facc15;
  --accent-hover: #fde047;
  --border-color: #3f3f46;
  --nav-btn-bg: transparent;
  --nav-btn-hover: #27272a;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-sans);
  line-height: 1.7;
  font-size: 1.05rem;
  padding: 0 1.5rem 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2.5rem;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--heading-color);
  margin: 0;
}

header nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

header nav a {
  color: var(--text-color);
  text-decoration: none;
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

header nav a:hover {
  background-color: var(--nav-btn-hover);
  border-color: #52525b;
  color: #fff;
}

/* ==========================================================================
   Main Layout (Grid de 2 Colunas: Conteúdo + Aside Lateral)
   ========================================================================== */
section#content.content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* No desktop (telas maiores que 768px), forçamos o grid de 2 colunas */
@media (min-width: 768px) {
  section#content.content {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  /* Pega o aside onde quer que ele esteja dentro do content e joga para a coluna da direita (coluna 2) */
  section#content.content > aside {
    grid-column: 2;
    grid-row: 1 / span 100;
    position: sticky;
    top: 2rem;
  }

  /* Garante que o article fique estritamente na coluna da esquerda (coluna 1) */
  section#content.content > article {
    grid-column: 1;
    grid-row: 1 / span 100;
  }
}

/* Estilização limpa do Aside */
aside {
  background-color: #18181b;
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  height: fit-content;
}

aside p {
  color: var(--text-color);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

aside h3, aside h1, aside h2 {
  margin-top: 0;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #a1a1aa;
  margin-bottom: 1rem;
}

aside ul {
  list-style: none;
  margin-left: 0;
}

aside li {
  margin-bottom: 0.75rem;
}

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

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

/* ==========================================================================
   Typography & Content Styling
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--heading-color);
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-top: 1rem;
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.5rem;
}

p {
  margin-bottom: 1.25rem;
}

/* Links internos do post com destaque em amarelo */
article a, section a, p a {
  color: var(--accent-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

article a:hover, section a:hover, p a:hover {
  color: var(--accent-hover);
}

/* Listas */
ol, ul {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Code & Pre */
code {
  font-family: var(--font-mono);
  background-color: #27272a;
  color: #f4f4f5;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background-color: #18181b;
  padding: 1.25rem;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

pre code {
  background: transparent;
  padding: 0;
}

/* Linha divisória */
hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 3rem 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  grid-column: 1 / -1;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.9rem;
  color: #71717a;
}