/* Archive page */
.archive-year {
  margin-bottom: 40px;
}
.archive-year-head {
  display: flex; align-items: baseline; gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.archive-year-num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.archive-year-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.archive-list { list-style: none; padding: 0; margin: 0; }
.archive-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-soft);
  align-items: baseline;
  cursor: pointer;
  transition: padding-left 0.15s;
  color: inherit;
  text-decoration: none;
}
.archive-item:hover { padding-left: 8px; }
.archive-item:hover .archive-title { color: var(--ink); }
.archive-item:last-child { border-bottom: none; }
.archive-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.archive-title {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.4;
}

/* Category tree */
.cat-tree { list-style: none; padding: 0; margin: 0; }
.cat-node {
  border-bottom: 1px dashed var(--border-soft);
}
.cat-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 8px;
  cursor: pointer;
  transition: background 0.12s;
  border-radius: var(--radius-sm);
}
.cat-row:hover { background: var(--bg-soft); }
.cat-caret {
  width: 14px; height: 14px;
  display: grid; place-items: center;
  color: var(--muted-2);
  transition: transform 0.15s;
}
.cat-caret.open { transform: rotate(90deg); }
.cat-caret.leaf { visibility: hidden; }
.cat-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  flex: 1;
}
.cat-name::before { content: '# '; color: var(--faint); }
.cat-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  padding: 2px 7px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.cat-children {
  list-style: none;
  padding: 0 0 8px 28px;
  margin: 0;
}
.cat-children .cat-node { border-bottom: none; }
.cat-children .cat-row { padding: 6px 8px; }
.cat-children .cat-name { font-size: 12px; color: var(--ink-soft); }

/* Tag cloud page */
.tag-cloud-big {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0;
}
.tag-big {
  display: inline-flex; align-items: baseline; gap: 5px;
  font-family: var(--font-mono);
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 12px;
  cursor: pointer;
  transition: all 0.12s;
  line-height: 1;
}
.tag-big:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}
.tag-big .tc-name::before { content: '#'; color: var(--muted-2); margin-right: 2px; }
.tag-big .tc-count {
  font-size: 10px;
  color: var(--muted);
  padding: 2px 5px;
  background: var(--surface);
  border-radius: 3px;
}

/* About page */
.about-page {
  max-width: 680px;
  padding: 40px 0 80px;
}
.about-hero {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.about-avatar {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  flex-shrink: 0;
}
.about-name { font-size: 24px; font-weight: 700; margin: 0 0 4px; color: var(--ink); }
.about-role {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 12px;
}
.about-links {
  display: flex; gap: 8px;
  flex-wrap: wrap;
}
.about-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
}
.about-link:hover { border-color: var(--rule); color: var(--ink); }
.about-link svg { width: 13px; height: 13px; }

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
}
.about-fact {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.fact-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.fact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-top: 4px;
}

/* 404 */
.err-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}
.err-glyph {
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  position: relative;
}
.err-glyph::after {
  content: '_';
  animation: blink 1.1s steps(2) infinite;
  color: var(--ink);
}
@keyframes blink { 50% { opacity: 0; } }
.err-title { font-size: 22px; font-weight: 600; margin: 0 0 8px; color: var(--ink); }
.err-msg { color: var(--muted); margin-bottom: 24px; max-width: 420px; }
.err-terminal {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--s-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: var(--s-fg);
  text-align: left;
  max-width: 480px;
  margin-bottom: 24px;
}
.err-terminal .prompt { color: var(--s-kw); }
.err-terminal .err-line { color: var(--s-str); }

/* Search close button */
.search-close {
  display: inline-flex; align-items: center;
  padding: 2px 7px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.12s;
}
.search-close:hover { color: var(--ink); border-color: var(--rule); }

/* Search panel — dropdown anchored to .search-wrap */
.search-panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 420px;
  max-width: calc(100vw - 40px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 100;
  max-height: 70vh;
  flex-direction: column;
}
.search-panel:not([hidden]) { display: flex; }
.search-results { overflow-y: auto; padding: 4px; max-height: 60vh; }
.search-result {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.1s;
  text-decoration: none;
  color: inherit;
}
.search-result:hover, .search-result.active {
  background: var(--bg-soft);
}
.search-result-meta {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.search-result-meta .sr-cat { color: var(--ink); }
.search-result-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 3px;
  line-height: 1.35;
}
.search-result-title mark {
  background: color-mix(in oklab, var(--ink) 18%, transparent);
  color: var(--ink);
  padding: 0 2px;
  border-radius: 2px;
}
.search-result-excerpt {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-result-tags {
  margin-top: 4px;
  display: flex; gap: 4px;
  flex-wrap: wrap;
}
.search-result-tags .srt {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
  padding: 1px 5px;
  background: var(--bg-soft);
  border-radius: 2px;
  border: 1px solid var(--border);
}
.search-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.search-all-link {
  display: block;
  padding: 9px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  transition: color 0.12s, background 0.12s;
  text-decoration: none;
}
.search-all-link:hover { color: var(--ink); background: var(--bg-elevated); }

/* Image lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 40px;
  cursor: zoom-out;
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.lightbox .lb-close {
  position: absolute;
  top: 20px; right: 20px;
  color: white;
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
}

/* Mermaid placeholder */
.mermaid-box {
  margin: 1.5em 0;
  padding: 24px;
  background: var(--s-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; justify-content: center;
  font-family: var(--font-mono);
}
.mermaid-box svg { max-width: 100%; }

/* Mini KBD for shortcuts */
kbd.mini {
  padding: 1px 5px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-soft);
}

/* Search full page */
.search-page { padding: 12px 0 80px; max-width: 720px; }
.search-page-box { margin-bottom: 24px; }
.search-page-input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.12s;
}
.search-page-input::placeholder { color: var(--muted-2); }
.search-page-input:focus { border-color: var(--rule); }
.search-page-results { display: flex; flex-direction: column; gap: 10px; }
.sp-card {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.12s, transform 0.1s;
}
.sp-card:hover { border-color: var(--rule); transform: translateX(4px); }
.sp-title {
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.35;
}
.sp-excerpt {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sp-empty {
  padding: 60px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

/* Toast for copy-link confirm */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
  z-index: 300;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Tweaks-driven code block variants */
.codeblock.variant-terminal {
  background: #161510;
  border-color: #2a2822;
  color: #d6d2c4;
}
html[data-theme='light'] .codeblock.variant-terminal { background: #161510; color: #d6d2c4; border-color: #161510; }
.codeblock.variant-terminal .codeblock-chrome {
  background: #1e1c16;
  border-bottom-color: #2a2822;
  color: #9a958a;
}
.codeblock.variant-terminal .codeblock-lang { color: #9a958a; }
.codeblock.variant-terminal .codeblock-copy { color: #9a958a; }
.codeblock.variant-terminal .codeblock-copy:hover { color: #ece9df; background: #2a2822; border-color: #2a2822; }
.codeblock.variant-terminal pre { color: #d6d2c4; }
.codeblock.variant-terminal .tok-kw { color: #e07a7a; }
.codeblock.variant-terminal .tok-str { color: #a8c38a; }
.codeblock.variant-terminal .tok-fn { color: #b3a6e0; }
.codeblock.variant-terminal .tok-num { color: #e0b478; }
.codeblock.variant-terminal .tok-com { color: #5f5c52; }

.codeblock.variant-minimal {
  border: none;
  border-left: 3px solid var(--ink);
  border-radius: 0;
  background: transparent;
}
.codeblock.variant-minimal .codeblock-chrome {
  background: transparent;
  border-bottom: 1px dashed var(--border);
  padding: 4px 12px;
}
.codeblock.variant-minimal pre { padding: 10px 14px; }

.codeblock.variant-traffic .codeblock-chrome::before {
  content: '';
  display: inline-flex;
  width: 36px; height: 12px;
  background:
    radial-gradient(circle 4px at 6px 6px, #e06060 98%, transparent),
    radial-gradient(circle 4px at 18px 6px, #e0b478 98%, transparent),
    radial-gradient(circle 4px at 30px 6px, #7aaa6a 98%, transparent);
  margin-right: 10px;
}

/* Line numbers (tweak) */
.codeblock.with-lines pre {
  counter-reset: line;
  padding-left: 0;
}
.codeblock.with-lines pre .line {
  display: block;
  padding-left: 52px;
  position: relative;
}
.codeblock.with-lines pre .line::before {
  counter-increment: line;
  content: counter(line);
  position: absolute;
  left: 0; width: 40px;
  text-align: right;
  padding-right: 12px;
  color: var(--s-muted);
  font-size: 0.85em;
  user-select: none;
  border-right: 1px solid var(--border);
}
html[data-theme='dark'] .codeblock.with-lines pre .line::before { border-right-color: #2a2822; }
.codeblock.variant-terminal.with-lines pre .line::before { border-right-color: #2a2822; color: #5f5c52; }

@import url("https://cdn.jsdelivr.net/npm/katex@0.16.11/dist/katex.min.css");