/* =============================================
   Variables
   ============================================= */
:root {
  --font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  --text: #404040;
  --text-secondary: #757575;
  --text-muted: #999999;
  --link: #5badf0;
  --link-hover: #0366d6;
  --bg: #ffffff;
  --border: #eeeeee;
  --code-bg: #f5f5f5;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --tag-bg: #f0f0f0;
  --tag-color: #555555;
}

/* =============================================
   Dark mode — filter approach (fiel ao site original)
   ============================================= */
html[data-theme="dark"] {
  filter: invert(1) hue-rotate(180deg);
}

html[data-theme="dark"] img,
html[data-theme="dark"] video,
html[data-theme="dark"] iframe {
  filter: invert(1) hue-rotate(180deg);
}

/* =============================================
   Reset
   ============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
}

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

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

img {
  max-width: 100%;
  height: auto;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* =============================================
   Container
   ============================================= */
.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =============================================
   Header
   ============================================= */
.site-header {
  background: var(--nav-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* =============================================
   Profile Section
   ============================================= */
.profile {
  text-align: center;
  padding: 40px 24px 20px;
  border-bottom: 1px solid var(--border);
}

.profile-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto 16px;
}

.profile-name {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text);
  letter-spacing: -0.3px;
}

.profile-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 10px;
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.profile-bio {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 16px;
  line-height: 1.65;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   Social Icons
   ============================================= */
.social-icons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.social-icons a {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.social-icons a:hover {
  color: var(--link);
  text-decoration: none;
}

.social-icons svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* =============================================
   Navigation
   ============================================= */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s;
}

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

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.15s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  color: var(--link);
}

/* =============================================
   Main content
   ============================================= */
.main-content {
  min-height: calc(100vh - 220px);
}

/* =============================================
   Homepage Post Feed
   ============================================= */
.post-feed {
  padding: 32px 0 48px;
}

.feed-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

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

.feed-item-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.feed-item-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.35;
}

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

.feed-item-title a:hover {
  color: var(--link);
}

.feed-item-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* =============================================
   Tag badges
   ============================================= */
.tag-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.tag-badge {
  font-size: 11px;
  color: var(--tag-color);
  background: var(--tag-bg);
  padding: 2px 8px;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.tag-badge:hover {
  color: var(--link);
  background: #e0eeff;
  text-decoration: none;
}

/* =============================================
   Pagination
   ============================================= */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 48px;
  font-size: 14px;
}

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

.pagination a:hover {
  color: var(--link);
}

.pagination .current {
  color: var(--text-muted);
}

/* =============================================
   Archive Page
   ============================================= */
.archive-page {
  padding: 36px 0 48px;
}

.archive-year {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin: 36px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.archive-year:first-child {
  margin-top: 0;
}

.archive-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 6px 0;
}

.archive-date {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 58px;
  padding-top: 2px;
}

.archive-item-body {
  flex: 1;
}

.archive-item-title {
  font-size: 15px;
  margin: 0;
  line-height: 1.4;
}

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

.archive-item-title a:hover {
  color: var(--link);
}

/* =============================================
   Tags Page
   ============================================= */
.tags-page {
  padding: 36px 0 48px;
}

.tags-page > h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}

.tag-cloud-item {
  font-size: 13px;
  color: var(--tag-color);
  background: var(--tag-bg);
  padding: 5px 14px;
  border-radius: 14px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.tag-cloud-item:hover {
  color: var(--link);
  background: #e0eeff;
  text-decoration: none;
}

.tag-cloud-item .count {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 4px;
}

.tag-section {
  margin-bottom: 32px;
}

.tag-section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

/* =============================================
   Categories Page
   ============================================= */
.categories-page {
  padding: 36px 0 48px;
}

.categories-page > h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px;
}

.category-section {
  margin-bottom: 32px;
}

.category-section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  text-transform: capitalize;
}

/* =============================================
   Single Post
   ============================================= */
.post-page {
  padding: 36px 0 64px;
}

.post-page .post-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--text);
  letter-spacing: -0.3px;
}

.post-page .post-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.post-page .post-cover {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 24px;
  margin-top: 8px;
}

/* =============================================
   Post Content Typography
   ============================================= */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin-top: 32px;
  margin-bottom: 12px;
  line-height: 1.3;
  color: var(--text);
}

.post-content h2 { font-size: 20px; }
.post-content h3 { font-size: 17px; }
.post-content h4 { font-size: 15px; }

.post-content p { margin: 0 0 18px; }

.post-content ul,
.post-content ol {
  margin: 0 0 18px;
  padding-left: 24px;
}

.post-content li { margin-bottom: 6px; }

.post-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 4px;
}

.post-content blockquote {
  border-left: 3px solid var(--border);
  margin: 0 0 18px;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-style: italic;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--code-bg);
  padding: 2px 5px;
  border-radius: 3px;
  word-break: break-word;
}

.post-content pre {
  background: var(--code-bg);
  padding: 16px 20px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0 0 20px;
  border: 1px solid var(--border);
}

.post-content pre code {
  background: none;
  padding: 0;
  font-size: 13px;
  word-break: normal;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 14px;
  display: block;
  overflow-x: auto;
}

.post-content th,
.post-content td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.post-content th {
  font-weight: 600;
  background: var(--code-bg);
}

.post-content tr:nth-child(even) td {
  background: #fcfcfc;
}

/* =============================================
   Post Navigation (prev/next)
   ============================================= */
.post-nav {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  gap: 16px;
  font-size: 14px;
  margin-top: 32px;
}

.post-nav .prev,
.post-nav .next {
  max-width: 48%;
}

.post-nav .next {
  text-align: right;
  margin-left: auto;
}

.post-nav-label {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

/* =============================================
   Page (Sobre, etc.)
   ============================================= */
.page-content {
  padding: 36px 0 64px;
}

.page-content h1 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 24px;
  letter-spacing: -0.3px;
}

.page-content h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
}

.page-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 10px;
}

.page-content p { margin: 0 0 16px; }

.page-content ul,
.page-content ol {
  margin: 0 0 16px;
  padding-left: 24px;
}

.page-content li { margin-bottom: 6px; }

.page-content hr {
  margin: 28px 0;
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 32px;
  margin-top: 48px;
}

.site-footer .social-icons {
  margin-bottom: 12px;
}

.footer-made {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.footer-made strong {
  color: var(--text-secondary);
}

.icon-django {
  width: 14px;
  height: 14px;
  fill: #44B78B;
  flex-shrink: 0;
}

.copyright {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* =============================================
   Syntax Highlighting (Rouge — tema claro)
   ============================================= */
.highlight {
  background: var(--code-bg);
  border-radius: 6px;
  border: 1px solid var(--border);
  margin: 0 0 20px;
  overflow-x: auto;
}

.highlight pre {
  margin: 0;
  border: none;
  background: none;
  padding: 16px 20px;
}

.highlight .hll { background-color: #ffffcc }
.highlight .c  { color: #998; font-style: italic }
.highlight .err { color: #a61717; background-color: #e3d2d2 }
.highlight .k  { font-weight: bold }
.highlight .o  { font-weight: bold }
.highlight .cm { color: #998; font-style: italic }
.highlight .cp { color: #999; font-weight: bold }
.highlight .c1 { color: #998; font-style: italic }
.highlight .cs { color: #999; font-weight: bold; font-style: italic }
.highlight .gd { color: #000; background-color: #fdd }
.highlight .ge { font-style: italic }
.highlight .gr { color: #a00 }
.highlight .gh { color: #999 }
.highlight .gi { color: #000; background-color: #dfd }
.highlight .go { color: #888 }
.highlight .gp { color: #555 }
.highlight .gs { font-weight: bold }
.highlight .gu { color: #aaa }
.highlight .gt { color: #a00 }
.highlight .kc { font-weight: bold }
.highlight .kd { font-weight: bold }
.highlight .kp { font-weight: bold }
.highlight .kr { font-weight: bold }
.highlight .kt { color: #458; font-weight: bold }
.highlight .m  { color: #099 }
.highlight .s  { color: #d14 }
.highlight .na { color: #008080 }
.highlight .nb { color: #0086b3 }
.highlight .nc { color: #458; font-weight: bold }
.highlight .no { color: #008080 }
.highlight .ni { color: #800080 }
.highlight .ne { color: #900; font-weight: bold }
.highlight .nf { color: #900; font-weight: bold }
.highlight .nn { color: #555 }
.highlight .nt { color: #000080 }
.highlight .nv { color: #008080 }
.highlight .ow { font-weight: bold }
.highlight .w  { color: #bbb }
.highlight .mf { color: #099 }
.highlight .mh { color: #099 }
.highlight .mi { color: #099 }
.highlight .mo { color: #099 }
.highlight .sb { color: #d14 }
.highlight .sc { color: #d14 }
.highlight .sd { color: #d14 }
.highlight .s2 { color: #d14 }
.highlight .se { color: #d14 }
.highlight .sh { color: #d14 }
.highlight .si { color: #d14 }
.highlight .sx { color: #d14 }
.highlight .sr { color: #009926 }
.highlight .s1 { color: #d14 }
.highlight .ss { color: #990073 }
.highlight .bp { color: #999 }
.highlight .vc { color: #008080 }
.highlight .vg { color: #008080 }
.highlight .vi { color: #008080 }
.highlight .il { color: #099 }

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 700px) {
  .container {
    padding: 0 18px;
  }

  .profile-avatar {
    width: 110px;
    height: 110px;
  }

  .profile-name {
    font-size: 19px;
  }

  .post-page .post-title {
    font-size: 22px;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .archive-item {
    flex-direction: column;
    gap: 2px;
  }

  .archive-date {
    min-width: auto;
  }

  .post-nav {
    flex-direction: column;
    gap: 12px;
  }

  .post-nav .next {
    text-align: left;
    margin-left: 0;
  }

  .post-nav .prev,
  .post-nav .next {
    max-width: 100%;
  }

  .feed-item-title {
    font-size: 16px;
  }
}