/* Pixel-ish dark theme (no Tailwind runtime; just CSS tokens + components)
   Inspired by your reference snippet: #101622 + primary #135bec + pixel borders + dither texture.
*/

:root {
  --primary: #135bec;

  --bg: #101622;
  --panel: #141c2a;
  --panel2: #171f2e;

  --parchment: #fdf6e3;
  --ink: #2d2d2d;

  --fg: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);

  --border: #282e39;
  --border2: #3b4354;

  --radius: 8px;
  --radius-lg: 12px;

  --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

html.dark { color-scheme: dark; }

.material-symbols-outlined {
  font-variation-settings:
    "FILL" 0,
    "wght" 600,
    "GRAD" 0,
    "opsz" 24;
  vertical-align: middle;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height: 1.7;
  color: var(--fg);
  background-color: var(--bg);

  /* subtle dotted / dither texture */
  background-image: radial-gradient(rgba(19, 91, 236, 0.16) 1px, transparent 1px);
  background-size: 6px 6px;
  background-position: 0 0;

  scrollbar-width: auto;
  scrollbar-color: var(--primary) var(--border);
}

/* WebKit scrollbar */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--border); }
::-webkit-scrollbar-thumb {
  background-color: var(--primary);
  border: 2px solid var(--border);
}

a { color: rgba(179, 205, 255, 0.95); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 22px; }

/* Sticky top bar like the reference */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 22, 34, 0.92);
  backdrop-filter: blur(10px);
}


.header { padding-top: 18px; padding-bottom: 12px; }

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 14px; }

/* Dither utility (also used by logo square) */
.dither-bg {
  background-image: radial-gradient(rgba(19, 91, 236, 0.35) 1px, transparent 1px);
  background-size: 4px 4px;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 0px; /* sharper / pixel */
  display: grid;
  place-items: center;
  background-color: var(--primary);
  color: white;
  font-weight: 800;
  letter-spacing: 0.5px;
  border: 2px solid rgba(255,255,255,0.85);

  /* pixel border */
  box-shadow:
    0 -4px 0 0 var(--border),
    0 4px 0 0 var(--border),
    -4px 0 0 0 var(--border),
    4px 0 0 0 var(--border);
}

.site-title {
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.2px;
  text-transform: uppercase;
  font-weight: 800;
}
.site-title a { color: var(--fg); }
.site-sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pixel-button {
  padding: 8px 12px;
  border: 2px solid var(--border2);
  background: rgba(40, 46, 57, 0.65);
  color: var(--fg);
  border-radius: 0;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pixel-button:hover { border-color: rgba(255,255,255,0.35); filter: brightness(1.05); }
.pixel-button:active { transform: translateY(2px); }
.pixel-button:focus-visible { outline: 3px solid rgba(19, 91, 236, 0.55); outline-offset: 2px; }

.pixel-button-primary { background: var(--primary); border-color: var(--border); color: white; }
.pixel-button-muted { background: rgba(40, 46, 57, 0.85); border-color: var(--border2); }

.hero {
  margin: 10px 0 18px;
  padding: 18px;
  border-radius: 0;
  border: 2px solid var(--border);
  background: rgba(16, 22, 34, 0.55);
  box-shadow: var(--shadow-soft);
}
.hero h2 { margin: 0 0 6px; }

.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 0;
  background: var(--primary);
  color: white;
  font-weight: 900;
  border: 2px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.btn:hover { filter: brightness(1.05); }
.btn-ghost {
  background: transparent;
  border: 2px solid var(--border2);
  color: var(--fg);
}

.card {
  padding: 18px;
  border-radius: 0;
  border: 2px solid var(--border);
  background: rgba(20, 28, 42, 0.78);
  box-shadow: var(--shadow-soft);
}

.title { margin: 0 0 8px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.sep { color: var(--muted); }

.post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.post-item {
  position: relative;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 12px;
  border-radius: 0;
  border: 2px solid var(--border);
  background: rgba(255,255,255,0.03);
  flex-wrap: wrap; /* avoid mobile overflow */
}

/* Make the entire post row clickable, while keeping tag links clickable. */
.post-hit {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 0;
}

.post-main,
.post-item .tags,
.post-item .tag,
.post-item .post-title,
.post-cover {
  position: relative;
  z-index: 2;
}

/* Let clicks on non-link text (e.g. date) fall through to the row link. */
.post-main { min-width: 220px; pointer-events: none; }
.post-main a { pointer-events: auto; }

.post-title { font-weight: 700; color: var(--fg); }

/* Optional cover image support via front matter: cover: "/images/xxx.jpg" */
.post-item.has-cover { align-items: stretch; }
.post-cover {
  flex: 0 0 auto;
  width: 160px;
  align-self: center;
}
.post-cover-img {
  display: block;
  width: 160px;
  height: 96px;
  object-fit: cover;
  border: 2px solid var(--border);
  background: rgba(255,255,255,0.06);
}
@media (max-width: 520px) {
  .post-cover { width: 120px; }
  .post-cover-img { width: 120px; height: 78px; }
}

.tags { display: inline-flex; gap: 8px; flex-wrap: wrap; max-width: 100%; }

@media (max-width: 520px) {
  /* On narrow screens: tags go under the title/date */
  .post-item { align-items: flex-start; }
  .post-item .tags { width: 100%; }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 0;
  border: 2px solid var(--border);
  background: rgba(19, 91, 236, 0.12);
  color: var(--fg);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }

/* --- Single page (markdown preview) layout --- */
.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 1024px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 34px;
    align-items: start;
  }
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: rgba(157, 166, 185, 0.95);
  font-size: 13px;
  margin: 6px 0 14px;
}
.breadcrumbs .crumb { color: rgba(157, 166, 185, 0.95); font-weight: 700; }
.breadcrumbs .crumb:hover { color: var(--primary); text-decoration: none; }
.breadcrumbs .crumb-current { color: var(--fg); font-weight: 800; }
.breadcrumbs .crumb-sep { font-size: 16px; opacity: 0.8; }

.post-head { margin-bottom: 14px; }
.post-h1 {
  margin: 0 0 14px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  text-transform: uppercase;
  font-size: clamp(34px, 5vw, 56px);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(26, 33, 46, 0.78);
  border-left: 4px solid var(--primary);
  border-top: 2px solid var(--border);
  border-right: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
  color: rgba(157, 166, 185, 0.98);
}
.post-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.post-meta .material-symbols-outlined { font-size: 18px; }
.post-meta .tag { font-size: 12px; padding: 3px 9px; }

.pixel-border {
  box-shadow:
    0 -4px 0 0 var(--border),
    0 4px 0 0 var(--border),
    -4px 0 0 0 var(--border),
    4px 0 0 0 var(--border);
}
.pixel-border-light {
  box-shadow:
    0 -2px 0 0 var(--border2),
    0 2px 0 0 var(--border2),
    -2px 0 0 0 var(--border2),
    2px 0 0 0 var(--border2);
}

.parchment {
  position: relative;
  margin-top: 10px;
  padding: 26px;
  background: var(--parchment);
  color: var(--ink);
  border: 2px solid rgba(40, 46, 57, 0.20);
}
@media (min-width: 768px) {
  .parchment { padding: 38px 44px; }
}

.parchment a { color: #0b46c7; }
.parchment a:hover { color: #083aab; }

.parchment-corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  opacity: 0.10;
  pointer-events: none;
}

/* Parchment overrides (so reused components read well on light background) */
.parchment .muted { color: rgba(45, 45, 45, 0.62); }
.parchment .post-item {
  background: rgba(255,255,255,0.70);
  border-color: rgba(40, 46, 57, 0.22);
}
.parchment .post-title { color: var(--ink); }
.parchment .tag {
  color: var(--ink);
  border-color: rgba(40, 46, 57, 0.22);
  background: rgba(19, 91, 236, 0.08);
}

/* Navigation buttons inside the light parchment need their own palette */
.parchment .pixel-button {
  background: rgba(40, 46, 57, 0.08);
  color: var(--ink);
  border-color: rgba(40, 46, 57, 0.28);
}
.parchment .pixel-button:hover { border-color: rgba(11, 70, 199, 0.55); }

.parchment .pixel-button-muted {
  background: rgba(40, 46, 57, 0.12);
  border-color: rgba(40, 46, 57, 0.30);
  color: var(--ink);
}
.parchment .pixel-button-primary {
  background: #0b46c7;
  border-color: rgba(40, 46, 57, 0.28);
  color: #ffffff;
}

.tag-panel-title {
  margin: 0 0 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* Prose / Markdown */
.prose { max-width: none; }
.prose > p:first-of-type {
  font-size: 18px;
  font-weight: 800;
  font-style: italic;
  line-height: 1.7;
  margin-top: 0;
  border-left: 4px solid rgba(19, 91, 236, 0.30);
  padding-left: 16px;
}
.prose h2 {
  margin: 28px 0 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.prose h2::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--primary);
  margin-right: 10px;
  transform: translateY(-1px);
}
.prose h3 { margin: 22px 0 8px; font-weight: 900; text-transform: uppercase; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin: 6px 0; }

.prose img {
  max-width: 100%;
  height: auto;
  border: 4px solid var(--border);
  padding: 2px;
  background: white;
}

.prose pre {
  padding: 12px;
  overflow: auto;
  border-radius: var(--radius);
  border: 2px solid rgba(40, 46, 57, 0.25);
  background: rgba(40, 46, 57, 0.06);
}
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.prose blockquote {
  position: relative;
  margin: 18px 0;
  padding: 16px 16px 16px 20px;
  border: 2px solid rgba(19, 91, 236, 0.9);
  background: rgba(19, 91, 236, 0.10);
}
.prose blockquote::before {
  content: "format_quote";
  font-family: "Material Symbols Outlined";
  position: absolute;
  top: -14px;
  left: -14px;
  background: var(--primary);
  color: white;
  border: 2px solid var(--border);
  padding: 2px 4px;
  font-size: 22px;
  line-height: 1;
}

.post-nav {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 2px solid rgba(40, 46, 57, 0.12);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-items: start;
}

.post-nav-left { justify-self: start; }
.post-nav-right { justify-self: end; }
.post-nav-ghost { visibility: hidden; }

/* Sidebar */
.sidebar { position: relative; }
@media (min-width: 1024px) {
  .sidebar { position: sticky; top: 92px; }
}

.side-card {
  background: rgba(26, 33, 46, 0.85);
  border: 2px solid var(--border2);
  padding: 16px;
  margin-bottom: 18px;
}
.side-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(157, 166, 185, 0.98);
}

.side-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.side-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(20, 28, 42, 0.65);
  border: 2px solid var(--border2);
  color: rgba(157, 166, 185, 0.98);
  cursor: pointer;
  user-select: none;
}
.side-tag:hover { border-color: var(--primary); color: var(--fg); text-decoration: none; }
.side-tag-dot { width: 14px; height: 14px; background-color: rgba(19, 91, 236, 0.35); }
.side-tag-text { font-weight: 900; }
.side-tag-count { opacity: 0.75; font-size: 12px; }

.related { display: grid; gap: 12px; }
.related-item { display: block; color: var(--fg); }
.related-item:hover { text-decoration: none; }
.related-title {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.related-meta { color: rgba(157, 166, 185, 0.98); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }

/* Back-compat: keep .content used elsewhere */
.content { max-width: 75ch; }

.back { margin-top: 14px; }
.footer { padding-top: 18px; padding-bottom: 40px; }

/* Better focus rings */
a:focus-visible, .btn:focus-visible, .nav a:focus-visible {
  outline: 3px solid rgba(19, 91, 236, 0.55);
  outline-offset: 2px;
}