:root {
  --bg: #ffffff;
  --fg: #000000;
  --gray: #666666;
  --light-gray: #e0e0e0;
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'Inter', sans-serif;
  --dot-leader: radial-gradient(circle at center, var(--fg) 1px, transparent 1px);
  --pad: 16px;
  --row-h: 44px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  text-transform: lowercase;
  overflow-x: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.caps { text-transform: uppercase; }
.bold { font-weight: 700; }
.sans { font-family: var(--font-sans); letter-spacing: -0.02em; }
.meta-text { color: var(--gray); font-size: 10px; }

/* -- Header -- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg);
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: var(--pad) var(--pad) 12px;
  border-bottom: 1px solid var(--fg);
}

.brand { font-size: 18px; line-height: 1; text-transform: uppercase; letter-spacing: -0.05em; }
.header-nav { display: flex; gap: 24px; }
.header-nav span { cursor: pointer; }

/* -- Filter bar -- */
.filter-bar {
  position: fixed;
  top: 52px; left: 0; right: 0;
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg);
  z-index: 99;
  display: flex;
  gap: 12px;
  padding: 8px var(--pad);
  border-bottom: 1px solid var(--light-gray);
  overflow-x: auto;
}

.filter-chip {
  background: none;
  border: 1px solid var(--light-gray);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}

.filter-chip:hover { border-color: var(--fg); }
.filter-chip.active { background: var(--fg); color: var(--bg); border-color: var(--fg); }

/* -- Stats bar -- */
.stats-bar {
  margin-top: 88px;
  display: flex;
  justify-content: space-between;
  padding: 8px var(--pad);
  border-bottom: 1px solid var(--light-gray);
  font-size: 10px;
  color: var(--gray);
  text-transform: uppercase;
}

/* -- Entry rows (links) -- */
.entry {
  display: block;
  padding: 0 var(--pad);
  text-decoration: none;
  color: inherit;
  background-image: linear-gradient(to right, var(--fg) 20%, transparent 20%);
  background-position: bottom;
  background-size: 4px 1px;
  background-repeat: repeat-x;
  transition: background-color 0.1s;
}

.entry:hover { background-color: #f5f5f5; }

.entry-row {
  display: flex;
  align-items: baseline;
  height: var(--row-h);
}

.entry-id { width: 45px; flex-shrink: 0; }
.entry-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 8px; }
.entry-category { flex-shrink: 0; font-size: 9px; color: var(--gray); padding-right: 8px; text-transform: uppercase; }

.leader {
  flex-grow: 1;
  height: 12px;
  background-image: var(--dot-leader);
  background-size: 5px 100%;
  background-position: bottom;
  background-repeat: repeat-x;
  margin: 0 8px;
  opacity: 0.3;
}

.entry-date { flex-shrink: 0; text-align: right; }

.entry-paywall {
  flex-shrink: 0;
  font-size: 9px;
  background: var(--fg);
  color: var(--bg);
  padding: 2px 6px;
  margin-right: 8px;
  white-space: nowrap;
}

.entry-summary {
  padding: 0 0 10px 45px;
  font-size: 10px;
  color: var(--gray);
  text-transform: none;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* -- Post page -- */
.post-shell {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

.post-header {
  padding: 60px 0 24px;
  border-bottom: 1px solid var(--fg);
  margin-bottom: 32px;
}

.post-header .back-link {
  display: inline-block;
  font-size: 10px;
  text-transform: uppercase;
  color: var(--gray);
  text-decoration: none;
  margin-bottom: 16px;
}

.post-header .back-link:hover { color: var(--fg); }
.post-header .post-id { font-size: 10px; color: var(--gray); text-transform: uppercase; margin-bottom: 8px; }
.post-header .post-title { font-family: var(--font-sans); font-size: 24px; font-weight: 700; letter-spacing: -0.03em; text-transform: uppercase; line-height: 1.15; margin-bottom: 12px; }
.post-header .post-meta-row { display: flex; gap: 16px; font-size: 10px; color: var(--gray); text-transform: uppercase; flex-wrap: wrap; }

/* -- Post body (markdown) -- */
.post-body {
  font-size: 13px;
  line-height: 1.7;
  text-transform: none;
  padding-bottom: 48px;
}

.post-body p { margin-bottom: 1em; }
.post-body h2 { font-size: 15px; text-transform: uppercase; margin: 2em 0 0.6em; letter-spacing: 0.05em; font-weight: 700; }
.post-body h3 { font-size: 13px; text-transform: uppercase; margin: 1.5em 0 0.5em; letter-spacing: 0.05em; font-weight: 700; }
.post-body code { background: #f5f5f5; padding: 2px 6px; font-size: 12px; }
.post-body pre { background: #f5f5f5; padding: 16px; overflow-x: auto; margin-bottom: 1.2em; font-size: 11px; line-height: 1.5; }
.post-body pre code { background: none; padding: 0; }
.post-body blockquote { border-left: 2px solid var(--fg); padding-left: 16px; margin: 1.2em 0; color: var(--gray); }
.post-body ul, .post-body ol { padding-left: 20px; margin-bottom: 1em; }
.post-body li { margin-bottom: 4px; }
.post-body a { color: var(--fg); text-decoration: underline; text-underline-offset: 2px; }
.post-body img { max-width: 100%; height: auto; display: block; filter: grayscale(100%) contrast(1.2); margin: 1.5em 0; }

/* -- Metadata grid -- */
.metadata-grid {
  display: grid;
  grid-template-columns: 100px 1fr;
  row-gap: 6px;
  column-gap: 16px;
  font-size: 10px;
  border-top: 1px solid var(--fg);
  padding-top: 12px;
  margin-bottom: 32px;
}

.meta-key { color: var(--gray); text-transform: uppercase; }
.meta-value { word-break: break-all; text-transform: none; }
.hash { color: var(--gray); }

/* -- Post nav -- */
.post-nav {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--fg);
  padding: 16px 0;
  font-size: 10px;
  text-transform: uppercase;
}

.post-nav a {
  color: var(--fg);
  text-decoration: none;
}

.post-nav a:hover { text-decoration: underline; }
.post-nav .disabled { color: var(--light-gray); pointer-events: none; }

/* -- Footer -- */
footer {
  border-top: 1px solid var(--fg);
  padding: var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: var(--gray);
  text-transform: uppercase;
}

/* -- Banner -- */
.blog-banner { max-width: 100%; height: auto; display: block; margin-bottom: 16px; }

@media (max-width: 380px) {
  .entry-id { width: 35px; }
  .entry-category { display: none; }
  .metadata-grid { grid-template-columns: 1fr; row-gap: 2px; }
  .metadata-grid .meta-key { margin-top: 8px; }
  .metadata-grid .meta-key:first-child { margin-top: 0; }
}