/* ── Variables ── */
:root {
  --bg:        #0d0f14;
  --bg-card:   #13161e;
  --bg-hover:  #1a1e28;
  --border:    #1f2433;
  --text:      #c9d1e0;
  --text-muted:#5c6882;
  --accent:    #7ee8fa;
  --accent2:   #f0a500;
  --danger:    #ff6b6b;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --font-sans: 'Inter', system-ui, sans-serif;
  --radius:    4px;
}

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

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  flex: 1;
  padding: 3rem 0;
}

/* ── Header ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.site-logo:hover { text-decoration: none; opacity: 0.85; }

.site-logo .prompt {
  color: var(--accent2);
  margin-right: 0.25rem;
}

nav { display: flex; gap: 1.5rem; }

nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.15s;
}
nav a:hover { color: var(--accent); text-decoration: none; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Post card ── */
.post-list { display: flex; flex-direction: column; gap: 0; }

.post-card {
  display: block;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.post-card:hover { text-decoration: none; }

.post-card-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}

.post-card-left { flex: 1; min-width: 0; }

.post-title {
  font-family: var(--font-mono);
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.3rem;
  transition: color 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-card:hover .post-title { color: var(--accent); }

.post-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Tags ── */
.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  white-space: nowrap;
}

.tag.tag--accent {
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--accent);
}

/* ── Page title / section header ── */
.page-header { margin-bottom: 2.5rem; }

.page-header h1 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.page-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.section-rule {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.section-rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Article (post page) ── */
.article-header { margin-bottom: 3rem; }

.article-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-meta .sep { color: var(--border); }

.article-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* ── Prose ── */
.prose { max-width: 72ch; }

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text);
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
}

.prose h2 { font-size: 1.2rem; color: var(--accent); }
.prose h3 { font-size: 1rem; }
.prose h4 { font-size: 0.9rem; color: var(--text-muted); }

.prose p { margin-bottom: 1.25rem; }

.prose a { color: var(--accent); border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.prose a:hover { text-decoration: none; border-bottom-color: var(--accent); }

.prose strong { color: var(--text); font-weight: 600; }
.prose em { color: var(--accent2); font-style: italic; }

.prose ul,
.prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.prose li { margin-bottom: 0.3rem; }

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-muted);
  font-style: italic;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ── Code ── */
.prose code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.1em 0.4em;
  color: var(--accent2);
}

.prose pre {
  background: var(--bg-card) !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* override shiki inline styles for background */
.prose pre.astro-code {
  background: var(--bg-card) !important;
}

/* ── Table ── */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}
.prose th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.prose td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .post-card-inner { flex-direction: column; gap: 0.5rem; }
  .post-meta { flex-direction: row; }
  .article-header h1 { font-size: 1.4rem; }
}