/* ============================
   Base & Custom Properties
   ============================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1a202c;
  --muted: #4a5568;
  --border: #cbd5e0;
  --accent: #5b0404;
  --accent-hover: #5b0404;
  --code-bg: #edf2f7;
  --code-text: #9b2335;
  --pre-bg: #0f2237;
  --pre-text: #e2e8f0;
  --radius: 8px;
  --transition: 150ms ease;
  --header: #8f262b;
}

html {
  scroll-behavior: smooth;
}


body {
  font-family: "Inter", sans-serif;
  font-feature-settings: "calt" 1, "liga" 1;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ============================
   Accessibility
   ============================ */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -52px;
  padding: 0.65rem 1.1rem;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  background: var(--text);
  color: #fff;
  font-weight: 600;
  z-index: 1000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 0;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

/* ============================
   Layout
   ============================ */
.container {
  max-width: 860px;
  margin: 0 auto;
}

/* .header-content {
  background: var(--header);
  border-bottom: 2px solid var(--header);
  margin-bottom: 1.75rem;
  color: white;
} */
/* Remove the header background */
.header-content {
    background: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    box-shadow: none !important;
}

/* Remove spacing around the banner */
.header-content a {
    display: block;
    line-height: 0;
}

/* Scale banner to match main content width */
.site-banner {
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.categories-container {
  margin: 20px 0 30px 0;
  text-align: center;
}

.post-meta{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:12px;

    margin:0.75rem 0 2rem;
}

.post-date{
    color:#777;
    font-size:0.95rem;
}

.category-pill{
    display:inline-block;
    color:#fff;
    text-decoration:none;

    padding:5px 14px;
    border-radius:999px;

    font-size:0.8rem;
    font-weight:600;

    transition:.2s;
}

.category-pill:hover{
    opacity:.9;
    transform:translateY(-1px);
}

.category-section{
    margin-bottom:3rem;
}

.category-section h2{
    border-bottom:2px solid #eee;
    padding-bottom:8px;
    margin-bottom:1rem;
}

header {
  padding: 1.75rem 0 1.25rem;
}

header h1 {
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
  letter-spacing: -0.01em;
}

header h1 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

header h1 a:hover {
  color: var(--accent);
}

header p {
  /* color: var(--muted); */
  font-size: 0.95rem;
}

/* Site brand: avatar + title/description */
.site-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  flex-shrink: 0;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-brand:hover .site-avatar,
.site-brand:focus-within .site-avatar {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(26, 92, 173, 0.12);
}

.site-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

main {
  min-height: calc(100vh - 220px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.75rem;
}

/* ============================
   Blog List (Home)
   ============================ */
.blog-list {
  list-style: none;
}

.blog-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.blog-item:last-child {
  border-bottom: 0;
}

.blog-item h3 {
  font-size: 1.3rem;
  line-height: 1.35;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.blog-item h3 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.blog-item h3 a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.blog-excerpt {
  margin-bottom: 0.75rem;
  color: var(--muted);
  line-height: 1.65;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition), gap var(--transition);
}

.read-more:hover {
  color: var(--accent-hover);
  gap: 0.4rem;
}

/* ============================
   Pagination
   ============================ */
.pagination {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.pagination-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

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

.pagination-link.disabled {
  color: #9aa5b1;
  text-decoration: none;
  cursor: default;
  pointer-events: none;
}

.pagination-info {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ============================
   Post Layout
   ============================ */
.post {
  max-width: 720px;
  margin: 0 auto;
}

.post-header {
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
}

.post-title {
  font-size: 1.8rem;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.post-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ============================
   Post Content Typography
   ============================ */
.post-content {
  word-break: break-word;
}

.post-content p,
.post-content ul,
.post-content ol,
.post-content pre,
.post-content blockquote,
.post-content table,
.post-content hr,
.post-content figure {
  margin-bottom: 1.25rem;
}

.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.post-content h2 { font-size: 1.5rem; }
.post-content h3 { font-size: 1.2rem; }
.post-content h4 { font-size: 1.1rem; }
.post-content h5 { font-size: 1rem; font-weight: 700; }
.post-content h6 { font-size: 0.9rem; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }

.post-content ul,
.post-content ol {
  margin-left: 1.5rem;
}

/* Links — always underlined so they are distinguishable without color */
.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.post-content a:hover {
  color: var(--accent-hover);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition), gap var(--transition);
}

.back-link:hover {
  color: var(--accent-hover);
  gap: 0.4rem;
}

/* Inline code */
.post-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* Code blocks */
.post-content pre {
  background: var(--pre-bg);
  color: var(--pre-text);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.87rem;
  line-height: 1.6;
}

.post-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border: none;
  font-size: inherit;
}

/* Blockquote */
.post-content blockquote {
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1rem;
  background: rgba(26, 92, 173, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
  font-style: italic;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

/* Horizontal rule */
.post-content hr {
  border: none;
  border-top: 2px solid var(--border);
  margin: 2rem 0;
}

/* Images */
.post-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.post-content figcaption {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: -0.75rem;
  margin-bottom: 1.25rem;
  font-style: italic;
}

/* Tables */
.post-content table {
  display: block;
  overflow-x: auto;
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

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

.post-content table th,
.post-content table td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.85rem;
  text-align: left;
}

.post-content table tr:nth-child(even) td {
  background: var(--bg);
}

/* ============================
   Post Footer
   ============================ */
.post-footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* ============================
   Site Footer
   ============================ */
.footer-content {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 1.75rem;
}

footer {
  padding: 1.25rem 0;
  text-align: center;
}

footer p {
  color: var(--muted);
  font-size: 0.85rem;
}

/* ============================
   Responsive
   ============================ */
@media (max-width: 640px) {
  header h1 {
    font-size: 1.45rem;
  }

  main {
    padding: 1.25rem 1rem;
    border-radius: 6px;
  }

  .blog-item h3 {
    font-size: 1.2rem;
  }

  .post-title {
    font-size: 1.6rem;
  }

  .post-content h2 { font-size: 1.35rem; }
  .post-content h3 { font-size: 1.15rem; }

  .pagination {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================
   Dark Mode
   ============================ */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --surface: #161b22;
    --text: #e6edf3;
    --muted: #8b949e;
    --border: #30363d;
    --accent: #4c9be8;
    --accent-hover: #79c0ff;
    --code-bg: #1c2128;
    --code-text: #f9826c;
    --pre-bg: #010409;
    --pre-text: #e6edf3;
  }

  .post-content blockquote {
    background: rgba(76, 155, 232, 0.08);
  }

  .post-content table tr:nth-child(even) td {
    background: #1c2128;
  }

  .site-brand:hover .site-avatar,
  .site-brand:focus-within .site-avatar {
    box-shadow: 0 0 0 4px rgba(76, 155, 232, 0.18);
  }
}