/* style.css - Clean Dark Theme */
:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #141414;
  --bg-card: #181818;
  --bg-elevated: #1e1e1e;
  --border: #2a2a2a;
  --border-muted: #222222;
  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #606060;
  --accent: #ff9f43;
  --accent-hover: #ffb366;
  --accent-dim: rgba(255, 159, 67, 0.08);
  --accent-green: #7BC96F;
  --accent-purple: #a855f7;
  --accent-red: #DC3545;
  --accent-blue: #5B9FEF;
  --radius-sm: 6px;
  --radius-md: 10px;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

/* ── Header ── */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
}

.logo-mark {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.logo-text { font-size: 15px; }

.nav { display: flex; gap: 4px; }

.nav-link {
  padding: 6px 12px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

/* ── Main Layout ── */
.main-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  align-items: start;
  flex: 1;
  width: 100%;
}

@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .sidebar-col { order: -1; }
}

/* ── Content Column ── */
.content-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Hero - integrated, not a separate card */
.hero-section {
  padding: 0 0 20px;
  border-bottom: 1px solid var(--border-muted);
  margin-bottom: 16px;
}

.hero-section h1 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.hero-section p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 560px;
  line-height: 1.5;
}

/* Posts section - no wrapper card */
.posts-section { padding: 0; }

.section-header {
  margin-bottom: 12px;
}

.section-header h2 {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

/* ── Post Cards ── */
.post-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, background 0.15s;
}

.post-card:hover {
  border-color: var(--border);
  background: var(--bg-elevated);
}

.post-link {
  display: block;
  padding: 14px 16px;
  color: inherit;
}

.post-meta {
  margin-bottom: 4px;
}

.post-meta time {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.post-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.post-excerpt {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-muted);
  border-radius: 3px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Sidebar ── */
.sidebar-col {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 96px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border-muted);
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.sidebar-header h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.repos-container {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.repos-container::-webkit-scrollbar { width: 4px; }
.repos-container::-webkit-scrollbar-track { background: transparent; }
.repos-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* ── Repo Cards ── */
.repos-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.repo-item { margin: 0; }

.repo-link {
  display: block;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: all 0.15s;
}

.repo-link:hover {
  background: var(--bg-elevated);
  border-color: var(--border-muted);
}

.repo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 2px;
}

.repo-name {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.3;
  word-break: break-word;
}

.repo-stars {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.repo-description {
  margin: 0 0 4px;
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-meta {
  display: flex;
  gap: 10px;
  font-size: 10px;
  color: var(--text-muted);
}

.repo-language::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent-green);
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}

.repos-loading, .repos-empty {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.repos-error {
  padding: 14px;
  background: rgba(220, 53, 69, 0.06);
  border: 1px solid rgba(220, 53, 69, 0.2);
  border-radius: var(--radius-sm);
  text-align: center;
}

.repos-error-text {
  color: var(--accent-red);
  font-size: 12px;
  margin: 0 0 4px;
}

.repos-error-note {
  color: var(--text-muted);
  font-size: 11px;
  margin: 0;
}

/* ── Skeleton Loading ── */
.skeleton { position: relative; overflow: hidden; }
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03), transparent);
  animation: shimmer 1.4s infinite;
}
.skeleton-bar {
  height: 10px;
  background: var(--bg-elevated);
  border-radius: 3px;
  margin: 8px 0;
}
.skeleton-bar.short { width: 80px; }
.skeleton-bar.wide { width: 70%; }

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a { color: var(--text-secondary); font-size: 12px; }
.footer-links a:hover { color: var(--accent); }

.empty-state {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* ── Code Blocks ── */
code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: #252525;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: #e0e0e0;
}

pre {
  margin: 20px 0;
  padding: 18px 20px;
  background: #171717;
  border: 1px solid #2a2a2a;
  border-radius: var(--radius-md);
  overflow-x: auto;
}

pre code {
  display: block;
  padding: 0;
  margin: 0;
  border: none;
  background: none;
  font-size: 13px;
  line-height: 1.6;
  color: #d4d4d4;
}

/* Override highlight.js theme -- VS Code Dark+ exact colors */
pre code.hljs,
.hljs {
  background: #171717 !important;
  color: #9cdcfe !important;
}

/* Keywords: if, for, class, Struct, return, static -- blue */
.hljs-keyword { color: #569cd6 !important; }

/* Types: Float32, Int64, UInt8, i32, u16 -- teal */
.hljs-type { color: #4ec9b0 !important; }

/* Class/struct names: Vec3f, SensorReading, POINT -- teal */
.hljs-title.class,
.hljs-title.class_ { color: #4ec9b0 !important; }

/* Function declarations -- yellow */
.hljs-title.function,
.hljs-title.function_ { color: #dcdcaa !important; }

/* Function/constructor calls -- yellow */
.hljs-title.function.invoke,
.hljs-title.function_.invoke { color: #dcdcaa !important; }

/* Built-in functions: DllCall, Format, WinExist -- yellow */
.hljs-built_in { color: #dcdcaa !important; }

/* Strings -- orange */
.hljs-string { color: #ce9178 !important; }

/* Numbers -- light green */
.hljs-number { color: #b5cea8 !important; }

/* Comments -- green italic */
.hljs-comment { color: #6a9955 !important; font-style: italic; }

/* Directives: #Requires, #Include, #Import -- purple */
.hljs-meta { color: #c586c0 !important; }

/* Variables, params, properties -- light blue */
.hljs-variable,
.hljs-variable.language,
.hljs-params { color: #9cdcfe !important; }

/* Property access (.x, .Size, .Length) -- light blue */
.hljs-property { color: #9cdcfe !important; }

/* Operators (:=, =>, +=) -- white */
.hljs-operator { color: #d4d4d4 !important; }

/* Punctuation: parens, brackets, braces, colons, commas -- white */
.hljs-punctuation,
span.hljs-punctuation { color: #d4d4d4 !important; }

/* Literals (true, false) -- blue */
.hljs-literal { color: #569cd6 !important; }

/* Hotkey symbols -- yellow */
.hljs-symbol { color: #dcdcaa !important; }