/* Homelab Haven — terminal / lab archive theme
   Plain CSS, no build step, system fonts only. */

:root {
  --bg: #0d0d0d;
  --surface: #141414;
  --text: #e8e8e8;
  --muted: #9b9b9b;
  --accent: #10b981;
  --border: #262626;
  --font-sans: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Consolas", "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

.mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---- Layout shell ---- */

.site-wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---- Header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.wordmark .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--accent); }

/* ---- Hero ---- */

.hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid.has-image { grid-template-columns: 1.2fr 1fr; }
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 3px;
  padding: 4px 10px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 48px;
  line-height: 60px;
  margin: 0 0 16px;
  letter-spacing: 0;
}

.hero p.excerpt {
  color: var(--muted);
  font-size: 17px;
  max-width: 60ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0d0d0d;
  font-weight: 600;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: 4px;
  border: 1px solid var(--accent);
}

.btn:hover { color: #0d0d0d; opacity: 0.9; }

.read-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-image {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* ---- Filter bar ---- */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.filter-label { color: var(--muted); }

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--muted);
}

.pill:hover { color: var(--text); border-color: var(--muted); }

.pill.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- Post grid ---- */

.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  margin: 32px 0 64px;
  border: 1px solid var(--border);
}

@media (min-width: 760px) {
  .post-grid { grid-template-columns: 1fr 1fr; }
}

.post-card {
  background: var(--bg);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.post-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.post-card h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
  line-height: 1.3;
}

.post-card h2 a:hover { color: var(--accent); }

.post-card p {
  color: var(--muted);
  font-size: 14.5px;
  margin: 0 0 18px;
  flex-grow: 1;
}

.post-card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 8px;
}

.tag-chip:hover { color: var(--accent); border-color: var(--accent); }

/* ---- Single post ---- */

.post-single { padding: 48px 0 64px; max-width: 760px; margin: 0 auto; }

.post-single .post-meta-top {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.post-single h1 {
  font-size: 38px;
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 16px;
}

.post-single .lede {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 32px;
}

.post-content { font-size: 16px; }

.post-content h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 40px 0 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.post-content h3 { font-size: 19px; font-weight: 600; margin: 28px 0 12px; }

.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 a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.post-content code {
  font-family: var(--font-mono);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 5px;
  font-size: 0.88em;
}

.post-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px;
  overflow-x: auto;
  margin: 0 0 22px;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.55;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 14.5px;
}

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

.post-content th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  margin: 0 0 22px;
  padding: 4px 0 4px 18px;
  color: var(--muted);
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.post-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.post-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.post-pager-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.post-pager-link:hover { border-color: var(--accent); }

.post-pager-next { text-align: right; grid-column: 2; }
.post-pager-prev { grid-column: 1; }

.post-pager-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-pager-title {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .post-pager { grid-template-columns: 1fr; }
  .post-pager-next { grid-column: 1; text-align: left; }
}

.post-back {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.post-back a { color: var(--muted); text-decoration: none; }
.post-back a:hover { color: var(--accent); }

/* ---- Generic page (about, taxonomy) ---- */

.page-single { padding: 48px 0 64px; max-width: 760px; margin: 0 auto; }
.page-single h1 { font-size: 38px; font-weight: 600; margin: 0 0 24px; }
.page-single .post-content h2 { margin-top: 36px; }

.section-header { padding: 48px 0 8px; }
.section-header h1 { font-size: 32px; font-weight: 600; margin: 0; }

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; line-height: 42px; }
  .post-content pre { padding: 14px; }
}