/* blog.css — blog-specific layout & typography on top of style.css */

/* ── Reading font ── */
.post-article, .posts-grid, .blog-home-header {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Shared view wrapper ── */
.view { padding-top: 64px; min-height: 100vh; }
.hidden { display: none !important; }

/* ══════════════════════════════════════
   HOME VIEW — post card grid
══════════════════════════════════════ */
.blog-home-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 72px 32px 100px;
}

.blog-home-header {
  margin-bottom: 60px;
}
.blog-home-header .stag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.blog-home-title {
  font-family: var(--cond);
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.blog-home-title em { color: var(--green); font-style: normal; }
.blog-home-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 1px;
}

/* ── Blog Search ── */
.blog-search-wrap { position: relative; flex-grow: 1; min-width: 200px; display: flex; align-items: center; height: 38px; }
.blog-search-wrap svg { position: absolute; left: 14px; color: var(--dim); transition: color .2s; }
#blog-search { width: 100%; height: 100%; box-sizing: border-box; background: var(--panel); border: 1px solid var(--border); color: var(--text); padding: 0 16px 0 36px; border-radius: 4px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; transition: all .2s; outline: none; }
#blog-search:focus { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 15px rgba(0,207,255,.15); }
#blog-search:focus + svg, .blog-search-wrap:focus-within svg { color: var(--cyan); }
#blog-search::placeholder { color: var(--dim); text-transform: uppercase; line-height: normal; }

/* Post card grid */
/* Post card grid controls */
.blog-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.custom-sel { height: 38px; box-sizing: border-box; position: relative; font-family: var(--mono); font-size: 11px; text-transform: uppercase; color: var(--dim); cursor: pointer; padding: 0 16px; border: 1px solid var(--border); border-radius: 4px; display: flex; align-items: center; gap: 12px; user-select: none; transition: all .2s; background: var(--panel); min-width: 160px; justify-content: space-between; }
.custom-sel:hover, .custom-sel.open { border-color: var(--cyan); color: var(--cyan); }
.custom-sel .sel-arrow { font-size: 8px; transition: transform .2s; }
.custom-sel.open .sel-arrow { transform: rotate(180deg); }
.sel-menu { position: absolute; top: calc(100% + 6px); right: 0; left: 0; background: var(--panel2); border: 1px solid var(--border); border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); z-index: 100; opacity: 0; pointer-events: none; transform: translateY(-4px); transition: all .2s; overflow: hidden; }
.custom-sel.open .sel-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
.sel-menu div { padding: 12px 16px; color: var(--text); border-bottom: 1px solid var(--border); transition: background .2s, color .2s; }
.sel-menu div:last-child { border-bottom: none; }
.sel-menu div:hover { background: rgba(0,207,255,.05); color: var(--cyan); }
.sel-menu div.active { color: var(--green); background: rgba(0,255,136,.05); }

.posts-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

@keyframes cardIn {
  0% { opacity: 0; transform: translateY(15px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.post-card {
  display: block;
  padding: 28px 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  text-decoration: none;
  transition: border-color .25s, background .25s;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  animation: cardIn 0.4s cubic-bezier(0,0.6,0.3,1) both;
}
.post-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 0;
  background: var(--green);
  transition: height .3s ease;
}
.post-card:hover { border-color: rgba(0,255,136,.25); background: rgba(0,255,136,.025); }
.post-card:hover::before { height: 100%; }

.pc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}
.pc-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.3px;
  line-height: 1.3;
  transition: color .2s;
}
.post-card:hover .pc-title { color: var(--green); }

.pc-arrow {
  color: var(--dim);
  font-size: 20px;
  flex-shrink: 0;
  transition: transform .2s, color .2s;
  margin-top: 2px;
}
.post-card:hover .pc-arrow { transform: translate(3px, -3px); color: var(--green); }

.pc-desc {
  font-size: 14px;
  color: var(--dim);
  line-height: 1.7;
  margin-bottom: 16px;
  font-weight: 400;
}
.pc-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.pc-date {
  font-family: var(--mono);
  font-size: 11px;
  color: #e2edf5;
  font-weight: 500;
  letter-spacing: .5px;
}
.pc-time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .5px;
}
.pc-dot { color: var(--border); font-size: 10px; }
.pc-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: .5px;
}


/* ══════════════════════════════════════
   POST VIEW — reading layout
══════════════════════════════════════ */
.post-wrap {
  display: grid;
  grid-template-columns: 4fr 1fr;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 32px;
  gap: 48px;
  align-items: flex-start;
}

/* ── Back button ── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  padding: 7px 14px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 40px;
  margin-bottom: 36px;
  transition: all .2s;
}
.back-btn:hover { border-color: var(--green); color: var(--green); }

/* ── Reading column ── */
.post-col {
  min-width: 0;
  max-width: 740px;
  width: 100%;
  margin: 0 auto;
  padding-bottom: 120px;
}

/* ── Article typography (Inter body, great readability) ── */
.post-article {
  font-size: 16.5px;
  color: #c4d4e0;
  line-height: 1.85;
  font-weight: 400;
}

/* Post hero block */
.post-hero { margin-bottom: 48px; }
.post-hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.post-hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: 38px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 18px;
}
.post-hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: #e2edf5;
  font-weight: 500;
  letter-spacing: .5px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.post-hero-meta .cyan { color: var(--cyan); }

/* Markdown body */
.post-article h2 {
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.3px;
  margin-top: 56px;
  margin-bottom: 16px;
  line-height: 1.3;
  scroll-margin-top: 88px;
}
.post-article h3 {
  font-family: 'Inter', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: #d4e2ec;
  margin-top: 36px;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
  scroll-margin-top: 88px;
}
.post-article h4 {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--dim);
  margin-top: 24px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  scroll-margin-top: 88px;
}
.post-article p { margin-bottom: 24px; }
.post-article a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(0,207,255,.3); transition: border-color .2s; }
.post-article a:hover { border-color: var(--cyan); }
.post-article ul, .post-article ol { padding-left: 24px; margin-bottom: 24px; }
.post-article li { margin-bottom: 8px; color: #a8bccc; line-height: 1.8; }
.post-article li::marker { color: var(--green); }
.post-article strong { color: #e2edf5; font-weight: 600; }
.post-article em { color: #b0c4d4; font-style: italic; }

/* Blockquote */
.post-article blockquote {
  padding: 16px 20px 16px 24px;
  margin: 28px 0;
  background: rgba(0,207,255,.04);
  border-left: 3px solid var(--cyan);
  border-radius: 0 4px 4px 0;
  font-style: italic;
  color: #8fa8bc;
  font-size: 15.5px;
}
.post-article blockquote p { margin-bottom: 0; }

/* Inline code */
.post-article code:not(pre code) {
  font-family: 'JetBrains Mono', var(--mono);
  font-size: 13px;
  background: rgba(0,207,255,.08);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(0,207,255,.15);
  color: var(--cyan);
}
/* Code blocks */
.code-wrapper {
  margin: 28px 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0e1117;
  overflow: hidden;
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
}
.code-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.code-copy {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--dim);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all .2s;
}
.code-copy:hover {
  background: rgba(255,255,255,.05);
  color: var(--text);
}
.post-article pre {
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent !important;
  overflow-x: auto;
  position: relative;
}
.post-article pre::-webkit-scrollbar {
  height: 8px;
}
.post-article pre::-webkit-scrollbar-track {
  background: transparent;
}
.post-article pre::-webkit-scrollbar-thumb {
  background: rgba(0, 207, 255, 0.15);
  border-radius: 4px;
}
.post-article pre::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 207, 255, 0.3);
}
.post-article pre code {
  display: block;
  font-family: 'JetBrains Mono', var(--mono) !important;
  font-size: 13.5px;
  line-height: 1.7;
  padding: 20px 24px 24px;
  background: transparent !important;
  color: #c4d4e2;
  min-width: max-content;
}
/* Horizontal rule */
.post-article hr { border: none; border-top: 1px solid var(--border); margin: 48px 0; }
/* Images */
.post-article img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 28px 0;
  display: block;
}

/* Post Navigation (Next/Prev) */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--border); }
.post-nav a { display: flex; flex-direction: column; text-decoration: none !important; padding: 20px; border: 1px solid var(--border) !important; border-radius: 4px; background: rgba(255,255,255,.01); transition: all .2s; }
.post-nav a:hover { border-color: rgba(0,255,136,.4) !important; background: rgba(0,255,136,.03); }
.post-nav-next { text-align: right; }
.nav-lbl { font-family: var(--mono); font-size: 11px; color: var(--dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; transition: color .2s; }
.nav-tit { font-family: 'Inter', sans-serif; font-size: 15px; color: var(--white); font-weight: 600; line-height: 1.4; }
.post-nav a:hover .nav-lbl { color: var(--green); }

@media (max-width: 600px) {
  .post-nav { grid-template-columns: 1fr; gap: 16px; }
  .post-nav-next { text-align: left; }
}

/* ── Table of contents ── */
.toc-col {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding: 40px 0 40px 24px;
  border-left: 1px solid var(--border);
}
.toc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.toc-nav a {
  display: block;
  font-size: 12.5px;
  color: var(--dim);
  text-decoration: none;
  padding: 4px 0 4px 12px;
  border-left: 2px solid transparent;
  line-height: 1.5;
  transition: color .2s, border-color .2s;
  margin-bottom: 2px;
}
.toc-nav a:hover { color: var(--text); }
.toc-nav a.active { color: var(--green); border-left-color: var(--green); }
.toc-nav a.toc-h3 { font-size: 11.5px; padding-left: 22px; }

/* ── Tag styles shared ── */
.ptag-b { background: rgba(0,207,255,.1); color: var(--cyan); border: 1px solid rgba(0,207,255,.2); }
.ptag-p { background: rgba(170,85,255,.1); color: #b57bee; border: 1px solid rgba(170,85,255,.2); }
.ptag-o { background: rgba(255,160,0,.1); color: var(--orange); border: 1px solid rgba(255,160,0,.2); }
.ptag-c { background: rgba(0,255,136,.1); color: var(--green); border: 1px solid rgba(0,255,136,.2); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .toc-col { display: none; }
}
@media (max-width: 700px) {
  .blog-home-title { font-size: 44px; }
  .post-col { padding-bottom: 60px; }
  .post-article h2 { font-size: 20px; }
  .post-hero h1 { font-size: 28px; }
  .blog-home-wrap, .post-wrap { padding-left: 20px; padding-right: 20px; }
}