:root {
  --bg: #000000;
  --fg: #33ff66;
  --fg-dim: #1a8033;
  --fg-bright: #aaffaa;
  --accent: #ff6633;
  --warn: #ffcc33;
  --glow: none;
  --mono: 'IBM Plex Mono', 'Courier New', 'Consolas', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  text-shadow: none;
  min-height: 100vh;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 3px,
    rgba(0,0,0,0.08) 4px,
    rgba(0,0,0,0) 5px
  );
  z-index: 100;
  mix-blend-mode: multiply;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.4) 100%);
  z-index: 99;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px;
  position: relative;
  z-index: 1;
}

a {
  color: var(--fg-bright);
  text-decoration: none;
  border-bottom: 1px dashed var(--fg-dim);
}
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

pre, code { font-family: var(--mono); }

header.hero pre {
  font-size: 12px;
  line-height: 1.1;
  margin: 0;
  white-space: pre;
  overflow-x: auto;
  color: var(--fg-bright);
}

nav.terminal-nav {
  margin: 24px 0;
  padding: 8px 0;
  border-top: 1px solid var(--fg-dim);
  border-bottom: 1px solid var(--fg-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
nav.terminal-nav a {
  border-bottom: none;
  color: var(--fg);
}
nav.terminal-nav a::before { content: '['; color: var(--fg-dim); }
nav.terminal-nav a::after  { content: ']'; color: var(--fg-dim); }
nav.terminal-nav a:hover { color: var(--fg-bright); }

.prompt::before {
  content: 'spiral@out:~$ ';
  color: var(--fg-dim);
}

.cursor {
  display: inline-block;
  width: 0.6em;
  background: var(--fg);
  color: var(--fg);
  animation: blink 1.1s steps(2) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.section-title {
  margin: 32px 0 12px;
  font-size: 1em;
  color: var(--fg-bright);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.section-title::before { content: '// '; color: var(--fg-dim); }

.listing {
  list-style: none;
  padding: 0;
  margin: 0;
}
/* Every row has the same shape whatever the title length: the leading
   [meta] in its own column, everything after it (title, then tags) stacked
   in the second column. On mobile it collapses to one column, below. */
.listing li {
  padding: 6px 0;
  border-bottom: 1px dotted var(--fg-dim);
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 8px;
  row-gap: 2px;
  align-items: baseline;
  justify-items: start;
  overflow-wrap: anywhere;
}
.listing li > * { grid-column: 2; }
.listing li > .meta:first-child { grid-column: 1; }
/* Grid items are blocks, so a border would sit under the whole box;
   a dashed underline follows each line of a wrapped title instead. */
.listing a {
  border-bottom: none;
  text-decoration: underline dashed var(--fg-dim);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.listing a:hover { text-decoration-color: var(--accent); }
.listing .meta {
  color: var(--fg-dim);
  font-size: 0.85em;
}
.listing .tag {
  color: var(--warn);
  font-size: 0.8em;
}

footer.bbs {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--fg-dim);
  color: var(--fg-dim);
  font-size: 0.85em;
  text-align: center;
}

.sigil {
  position: fixed;
  right: -160px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  pointer-events: none;
  opacity: 0.06;
  z-index: 0;
  background:
    radial-gradient(circle at center, transparent 38%, var(--fg) 39%, var(--fg) 40%, transparent 41%),
    radial-gradient(circle at center, transparent 28%, var(--fg) 29%, var(--fg) 30%, transparent 31%),
    radial-gradient(circle at center, transparent 18%, var(--fg) 19%, var(--fg) 20%, transparent 21%),
    conic-gradient(from 0deg, var(--fg) 0deg, transparent 2deg, transparent 60deg, var(--fg) 62deg, transparent 64deg, transparent 120deg, var(--fg) 122deg, transparent 124deg, transparent 180deg, var(--fg) 182deg, transparent 184deg, transparent 240deg, var(--fg) 242deg, transparent 244deg, transparent 300deg, var(--fg) 302deg, transparent 304deg);
  border-radius: 50%;
  mix-blend-mode: screen;
  animation: rotate 240s linear infinite;
}
@keyframes rotate {
  to { transform: translateY(-50%) rotate(360deg); }
}

nav.terminal-nav a[aria-current="page"] {
  color: var(--fg-bright);
  border-bottom: 1px solid var(--fg-bright);
}

/* Inner-page header: path-aware prompt + title */
.page-header { margin-top: 8px; }
.page-header .section-title { margin-top: 12px; }
.path-prompt {
  margin: 0;
  color: var(--fg);
  overflow-wrap: anywhere;
}
.path-prompt__host { color: var(--fg-dim); }

.empty-state { color: var(--fg-dim); }
.more-link, .back-link { margin-top: 16px; }
.more-link a::after { content: ' ->'; }

/* Rendered markdown */
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding-bottom: 8px;
  border-bottom: 1px dotted var(--fg-dim);
}
.post-meta .meta { color: var(--fg-dim); font-size: 0.85em; }
.post-meta .tag { color: var(--warn); font-size: 0.8em; }

.post-body { max-width: 72ch; }
.post-body h2,
.post-body h3 {
  margin: 32px 0 12px;
  font-size: 1em;
  color: var(--fg-bright);
}
.post-body h2::before { content: '## '; color: var(--fg-dim); }
.post-body h3::before { content: '### '; color: var(--fg-dim); }
.post-body p { margin: 0 0 16px; }
.post-body strong { color: var(--fg-bright); }
.post-body code { color: var(--fg-bright); }
.post-body pre {
  margin: 0 0 16px;
  padding: 12px;
  border: 1px dashed var(--fg-dim);
  overflow-x: auto;
}
.post-body pre code { color: var(--fg); }
.post-body blockquote {
  margin: 0 0 16px;
  padding: 0;
  color: var(--fg-dim);
}
.post-body blockquote p::before { content: '> '; }
.post-body ul {
  list-style: none;
  margin: 0 0 16px;
  padding-left: 2ch;
}
.post-body ul li::before {
  content: '- ';
  margin-left: -2ch;
  color: var(--fg-dim);
}
.post-body ol { margin: 0 0 16px; padding-left: 3ch; }
.post-body img { max-width: 100%; height: auto; }
.post-body hr {
  border: none;
  border-top: 1px dashed var(--fg-dim);
  margin: 24px 0;
}

/* Downloads: ls -l style listing */
.file-table {
  list-style: none;
  padding: 0;
  margin: 0;
}
.file-table li {
  display: grid;
  grid-template-columns: 1fr 6em 7em;
  gap: 4px 16px;
  padding: 6px 0;
  border-bottom: 1px dotted var(--fg-dim);
}
.file-table__head span { color: var(--fg-dim); font-size: 0.85em; }
.file-table .meta { color: var(--fg-dim); }
.file-table a { justify-self: start; }
.file-table__desc,
.file-table__sum { grid-column: 1 / -1; font-size: 0.85em; }
.file-table__desc { color: var(--fg); }
.file-table__sum { color: var(--fg-dim); overflow-wrap: anywhere; }

@media (max-width: 640px) {
  html, body { font-size: 14px; }
  .container { padding: 16px 12px; }
  header.hero pre { font-size: 9px; }
  nav.terminal-nav { gap: 10px; }
  .sigil { display: none; }
  .listing li { grid-template-columns: minmax(0, 1fr); }
  .listing li > *,
  .listing li > .meta:first-child { grid-column: 1; }
  .file-table li { grid-template-columns: 1fr; }
  .file-table li.file-table__head { display: none; }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}