/* Shared chrome + blog styles (homepage keeps its own inline CSS). */

:root, [data-theme="dark"] {
  --bg:       #2d353b;
  --bg2:      #343f44;
  --border:   #4f585e;
  --text:     #d3c6aa;
  --dim:      #859289;
  --faint:    #5c6a72;
  --green:    #a7c080;
  --cyan:     #83c092;
  --yellow:   #dbbc7f;
  --purple:   #d699b6;
  --link:     #7fbbb3;
  --page-gutter: 1.5rem;
}
[data-theme="light"] {
  --bg:       #ffffff;
  --bg2:      #f6f8fa;
  --border:   #b4b5c0;
  --text:     #343b58;
  --dim:      #6172b0;
  --faint:    #a8aecb;
  --green:    #587539;
  --cyan:     #007197;
  --yellow:   #8f5e15;
  --purple:   #7847bd;
  --link:     #2e7de9;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
}

body {
  background-color: var(--bg);
  color: var(--text);
  transition: background-color 0.15s, color 0.15s;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.wrap {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
  padding-left: calc(var(--page-gutter) + env(safe-area-inset-left, 0px));
  padding-right: calc(var(--page-gutter) + env(safe-area-inset-right, 0px));
}

body.blog-index .wrap {
  max-width: 1100px;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
}

.nav-brand {
  color: var(--green);
  font-weight: 500;
  font-size: 0.875rem;
  white-space: nowrap;
  text-decoration: none;
}
.nav-brand .dim { color: var(--dim); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  color: var(--dim);
  font-size: 0.8rem;
  text-decoration: none;
  transition: color 0.1s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.nav-active { color: var(--text); }

.theme-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--dim);
  padding: 0.15rem 0.55rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  border-radius: 3px;
  transition: color 0.1s, border-color 0.1s;
}
.theme-btn:hover { color: var(--text); border-color: var(--dim); }

.mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--dim);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

@media (max-width: 640px) {
  :root, [data-theme="dark"], [data-theme="light"] {
    --page-gutter: 28px;
  }

  html { -webkit-text-size-adjust: 100%; }
  body { overflow-x: hidden; }

  .mobile-btn { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 0.75rem;
    padding-bottom: 1rem;
    padding-left: var(--page-gutter);
    padding-right: var(--page-gutter);
    padding-left: calc(var(--page-gutter) + env(safe-area-inset-left, 0px));
    padding-right: calc(var(--page-gutter) + env(safe-area-inset-right, 0px));
    gap: 0.85rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }

  footer.wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    padding-bottom: max(2rem, calc(env(safe-area-inset-bottom, 0px) + 1rem));
  }

  .post { padding-top: 1.75rem; }
  .post-header { margin-bottom: 1.5rem; }
  .post-title { font-size: 1.45rem; }
  .post-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .post-body pre {
    font-size: 0.75rem;
    -webkit-overflow-scrolling: touch;
  }
  .post-body table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

.prompt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--dim);
  margin-bottom: 0.3rem;
  user-select: none;
  flex-wrap: wrap;
}
.prompt .ps1 { color: var(--green); }
.prompt .cmd { color: var(--cyan); }
.prompt .arg { color: var(--yellow); }

.hl-green  { color: var(--green); }
.hl-cyan   { color: var(--cyan); }
.hl-yellow { color: var(--yellow); }
.hl-purple { color: var(--purple); }

.badge {
  font-size: 0.68rem;
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge-blog { background: color-mix(in srgb, var(--yellow) 12%, transparent); color: var(--yellow); }

footer {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  padding-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  color: var(--faint);
  font-size: 0.73rem;
}
.footer-links { display: flex; gap: 1.25rem; }
footer a { color: var(--dim); text-decoration: none; transition: color 0.1s; }
footer a:hover { color: var(--text); }

.tooltip-wrap { position: relative; display: inline-block; }
.tooltip-box {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--dim);
  font-size: 0.72rem;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
}
.tooltip-wrap:hover .tooltip-box,
.tooltip-wrap.tip-open .tooltip-box { display: block; }

#cmd-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20vh;
}
#cmd-overlay.open { display: flex; }

#cmd-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 420px;
  max-width: calc(100vw - 2rem);
  overflow: hidden;
}

#cmd-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
}
#cmd-input-wrap .ps1 { color: var(--green); font-size: 0.8rem; white-space: nowrap; }
#cmd-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
}

#cmd-results { padding: 0.4rem 0; }
.cmd-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--dim);
  transition: background 0.1s, color 0.1s;
}
.cmd-item:hover, .cmd-item.active {
  background: var(--faint);
  color: var(--text);
}
.cmd-item .cmd-key { color: var(--green); min-width: 1.5rem; }
#cmd-hint {
  padding: 0.4rem 0.85rem;
  font-size: 0.7rem;
  color: var(--faint);
  border-top: 1px solid var(--border);
}

#progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--green);
  width: 0%;
  z-index: 300;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* ── BLOG INDEX ─────────────────────────────────────── */
.blog-page {
  padding-top: 2.5rem;
  padding-bottom: 3.5rem;
}

.blog-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px dotted var(--faint);
}
.blog-item:last-child { border-bottom: none; }

.blog-title {
  font-size: 0.88rem;
  font-weight: 500;
}
.blog-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.1s;
}
.blog-title a:hover { color: var(--green); text-decoration: none; }

.blog-excerpt {
  color: var(--dim);
  font-size: 0.78rem;
  margin-top: 0.3rem;
  line-height: 1.65;
  max-width: 540px;
}

.blog-date {
  color: var(--dim);
  font-size: 0.73rem;
  white-space: nowrap;
  flex-shrink: 0;
  font-style: italic;
}

.blog-page .blog-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  column-gap: 2.25rem;
  row-gap: 0.35rem;
  align-items: baseline;
  padding: 1.2rem 0;
}
.blog-page .blog-item-main {
  display: contents;
}
.blog-page .blog-date {
  grid-column: 1;
  grid-row: 1;
  width: auto;
  font-size: 0.82rem;
  font-style: normal;
}
.blog-page .blog-title {
  grid-column: 2;
  grid-row: 1;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.blog-page .blog-excerpt {
  grid-column: 2;
  grid-row: 2;
  max-width: none;
  font-size: 0.82rem;
  margin-top: 0;
}

@media (max-width: 640px) {
  .blog-page {
    padding-top: 1.75rem;
  }
  .blog-page .blog-item {
    display: block;
    padding: 0.85rem 0;
  }
  .blog-page .blog-item-main {
    display: block;
  }
  .blog-page .blog-date {
    font-size: 0.73rem;
    margin-bottom: 0.15rem;
  }
  .blog-page .blog-title {
    font-size: 1.05rem;
  }
  .blog-page .blog-excerpt {
    margin-top: 0.25rem;
    font-size: 0.78rem;
    line-height: 1.55;
  }
}

.blog-empty {
  font-size: 0.8rem;
  color: var(--dim);
}

.blog-meta-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.3rem;
}

/* ── POST / RICH TEXT ───────────────────────────────── */
.post {
  padding-top: 2.25rem;
  padding-bottom: 3.5rem;
}

.post-header { margin: 1.25rem 0 2rem; }

.post-title {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--text);
}

.post-subtitle {
  color: var(--dim);
  font-size: 0.86rem;
  line-height: 1.55;
  margin-top: 0.65rem;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.85rem;
  color: var(--dim);
  font-size: 0.75rem;
  margin-top: 0.85rem;
}

.post-body {
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--text);
}

.post-body > * + * { margin-top: 1.1rem; }

.post-body h2 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 2.4rem;
  margin-bottom: 0.7rem;
  line-height: 1.4;
}
.post-body h2::before {
  content: '## ';
  color: var(--green);
  font-weight: 500;
}

.post-body h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--cyan);
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}
.post-body h3::before {
  content: '### ';
  color: var(--green);
  font-weight: 500;
}

.post-body p { color: var(--text); }

.post-body a { color: var(--link); }
.post-body a:hover { text-decoration: underline; }

.post-body strong { color: var(--text); font-weight: 700; }
.post-body em { font-style: italic; color: var(--dim); }

.post-body ul,
.post-body ol {
  margin: 0.4rem 0 0.2rem;
  padding-left: 0;
}
.post-body ul { list-style: none; }
.post-body ol {
  list-style: none;
  counter-reset: post-ol;
}
.post-body ul li,
.post-body ol li {
  position: relative;
  margin-bottom: 0.45rem;
  line-height: 1.7;
}
.post-body ul li { padding-left: 1.15rem; }
.post-body ol li {
  padding-left: 1.6rem;
  counter-increment: post-ol;
}
.post-body ul li::before {
  content: '▸';
  color: var(--green);
  position: absolute;
  left: 0;
}
.post-body ol li::before {
  content: counter(post-ol) '.';
  color: var(--yellow);
  position: absolute;
  left: 0;
}

.post-body li ul,
.post-body li ol {
  width: 100%;
  margin-top: 0.35rem;
}

.post-body blockquote {
  border-left: 2px solid var(--purple);
  padding: 0.15rem 0 0.15rem 1rem;
  margin: 1.4rem 0;
  color: var(--dim);
}
.post-body blockquote p { color: var(--dim); font-style: italic; }
.post-body blockquote footer {
  border: none;
  padding: 0.35rem 0 0;
  font-size: 0.75rem;
  font-style: normal;
  color: var(--faint);
}

.post-body code {
  background: var(--bg2);
  color: var(--green);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  font-size: 0.84em;
  border: 1px solid var(--border);
}

.post-body pre {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  margin: 1.25rem 0;
  font-size: 0.8rem;
  line-height: 1.7;
}
.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: inherit;
}

.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
  margin: 1.25rem 0 0.4rem;
}
.post-body figcaption {
  color: var(--dim);
  font-size: 0.72rem;
  margin-top: 0.35rem;
}

.post-body hr {
  border: none;
  border-top: 1px dotted var(--faint);
  margin: 2.25rem 0;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin: 1.25rem 0;
}
.post-body th,
.post-body td {
  text-align: left;
  padding: 0.45rem 0.7rem 0.45rem 0;
  border-bottom: 1px dotted var(--faint);
  vertical-align: top;
}
.post-body th { color: var(--cyan); font-weight: 600; }

.post-body .callout {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  color: var(--dim);
  margin: 1.4rem 0;
}
.post-body .callout strong { color: var(--yellow); }

.post-loading { color: var(--faint); }
.post-body.is-loading { color: var(--faint); }

.post-body .footnotes {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px dotted var(--faint);
  font-size: 0.75rem;
  color: var(--dim);
  list-style: none;
}
.post-body .footnotes li {
  display: block;
  margin-bottom: 0.4rem;
  padding-left: 0;
}
.post-body .footnotes li::before { content: none; }
.post-body sup a { color: var(--yellow); font-size: 0.7rem; }

.post-body .post-embed {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.65rem 0.85rem;
  background: var(--bg2);
}
.post-body .post-embed + .post-embed { margin-top: 0.75rem; }
.post-body .post-embed summary {
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--dim);
  list-style: none;
}
.post-body .post-embed summary::-webkit-details-marker { display: none; }
.post-body .post-embed summary::before {
  content: '[+ ';
  color: var(--faint);
}
.post-body .post-embed[open] summary::before { content: '[- '; }
.post-body .post-embed summary:hover { color: var(--text); }
.post-body .post-embed-frame {
  margin-top: 0.75rem;
  overflow: hidden;
  border-radius: 4px;
}
.post-body .post-embed-frame--yt {
  aspect-ratio: 16 / 9;
}
.post-body .post-embed iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 0;
  border-radius: 4px;
}
.post-body .post-embed-frame--yt iframe {
  height: 100%;
  aspect-ratio: 16 / 9;
}
.post-body .post-embed-frame--li iframe {
  min-height: 520px;
}
@media (max-width: 640px) {
  .post-body .post-embed-frame--li iframe { min-height: 420px; }
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}
.post-nav a { color: var(--dim); }
.post-nav a:hover { color: var(--text); text-decoration: none; }

.not-found {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
}
.not-found h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0.75rem 0 0.5rem;
}
.not-found p { color: var(--dim); font-size: 0.85rem; max-width: 480px; }