/* ==========================================================================
   alain brown — sidebar layout, bento palette
   ========================================================================== */

:root {
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Menlo', monospace;
  --bg: #F0F2F5;
  --card: #FFFFFF;
  --text: #1E293B;
  --secondary: #64748B;
  --muted: #94A3B8;
  --border: #E2E8F0;
  --link: #2563EB;
  --link-hover: #1D4ED8;
  --accent: #3B82F6;
  --code-bg: #F1F5F9;
}

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

html { font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* --- Two-column layout --- */
.layout {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 48px 28px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 2px solid var(--border);
  display: block;
}

.sidebar-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--text);
}

.sidebar-bio {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.5;
  margin-bottom: 28px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 20px;
}

.sidebar-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.15s;
}
.sidebar-nav a:hover {
  background: var(--bg);
  color: var(--text);
}

.sidebar-links {
  display: flex;
  flex-direction: row;
  gap: 8px;
}

.sidebar-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px;
  border-radius: 6px;
  transition: color 0.15s;
  display: flex;
  align-items: center;
}
.sidebar-links a:hover { color: var(--link); }

.email-icon {
  color: var(--muted);
  padding: 6px;
  display: flex;
  align-items: center;
  cursor: default;
}
.email-icon:hover { color: var(--link); }

.sidebar-links svg { display: block; }

.sidebar-footer {
  font-size: 11px;
  color: var(--border);
  margin-top: 24px;
}

/* --- Main content --- */
.content {
  margin-left: 260px;
  flex: 1;
  padding: 48px 48px 80px;
  min-height: 100vh;
  max-width: 960px;
}

/* --- Sections --- */
.section { margin-bottom: 40px; }

.section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 16px;
}

/* --- Post list --- */
.post-list { list-style: none; }

.post-list li {
  margin-bottom: 8px;
}

.post-list a {
  display: block;
  padding: 18px 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.15s;
}
.post-list a:hover {
  border-color: #CBD5E1;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transform: translateY(-1px);
}

.post-list .title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  display: block;
  line-height: 1.35;
  margin-bottom: 4px;
}
.post-list a:hover .title { color: var(--link); }

.post-list .date {
  font-size: 12px;
  color: var(--muted);
  display: block;
}

.post-list .excerpt {
  font-size: 13px;
  color: var(--secondary);
  margin-top: 6px;
  line-height: 1.5;
}

/* --- Project grid (github-readme-stats) --- */
.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 580px;
}

.project-grid a {
  display: block;
  text-decoration: none;
  border-radius: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.project-grid a:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.project-grid img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

/* --- Blog page title --- */
.page-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 24px;
}

/* --- Post page --- */
.post { padding-bottom: 48px; }

.back-link {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 24px;
  transition: color 0.15s;
}
.back-link:hover { color: var(--link); }

.post h1 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 6px;
}

.post-meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 36px;
}

/* --- Article body (rendered markdown) --- */
.post-body h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 14px;
}

.post-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 10px;
}

.post-body p {
  margin-bottom: 18px;
  color: var(--secondary);
}

.post-body a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.post-body a:hover { color: var(--link-hover); }

.post-body strong { font-weight: 600; color: var(--text); }

.post-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
}

.post-body pre {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
}
.post-body pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 20px;
  margin: 20px 0;
  color: var(--secondary);
  font-family: var(--font-serif);
  font-style: italic;
  background: rgba(59, 130, 246, 0.03);
  border-radius: 0 10px 10px 0;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.post-body th, .post-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.post-body th {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.post-body tr:last-child td { border-bottom: none; }

.post-body ul, .post-body ol { margin-bottom: 18px; padding-left: 22px; }
.post-body li { margin-bottom: 4px; }
.post-body img { max-width: 100%; border-radius: 10px; margin: 20px 0; }
.post-body hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .sidebar {
    position: static;
    width: 100%;
    min-width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 24px 24px 20px;
  }

  .sidebar-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }

  .avatar {
    width: 44px;
    height: 44px;
    margin-bottom: 0;
  }

  .sidebar-name {
    font-size: 18px;
    margin-bottom: 0;
  }

  .sidebar-bio { display: none; }

  .sidebar-nav {
    flex-direction: row;
    gap: 4px;
    margin-bottom: 8px;
    width: 100%;
  }

  .sidebar-links {
    flex-direction: row;
    gap: 4px;
    width: 100%;
  }

  .sidebar-footer { display: none; }

  .layout { flex-direction: column; }

  .content {
    margin-left: 0;
    padding: 28px 20px 60px;
  }

  .project-grid { grid-template-columns: 1fr; }
}