/* ============================================================
   moj.dev — post.css
   Blog post page styles. Loaded only on post pages.
   Requires style.css (variables, reset, nav, footer).
   ============================================================ */

/* ══════════════════════════════════════════════════════════════
   POST PAGE
══════════════════════════════════════════════════════════════ */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  box-shadow: 0 0 10px var(--cyan-glow);
  z-index: 200;
  transition: width 0.1s linear;
  width: 0%;
}

.post-page {
  padding-top: var(--nav-h);
}
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 40px 0 0;
  transition: color var(--transition), gap var(--transition);
}
.post-back:hover { color: var(--cyan); gap: 12px; }
.post-back svg { transition: transform var(--transition); }
.post-back:hover svg { transform: translateX(-3px); }

.post-header {
  max-width: 760px;
  padding: 32px 0 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.post-h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.post-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.post-info-sep { color: var(--border-mid); }

/* ── Post body typography ───────────────────────────────────── */
.post-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-muted);
}
.post-body > p:first-of-type {
  font-size: 1.16rem;
  line-height: 1.8;
  color: var(--text);
}
.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4 {
  font-family: var(--font-mono);
  color: var(--text);
  margin: 2.5em 0 0.75em;
  line-height: 1.3;
  font-weight: 700;
}
.post-body h1 { font-size: 1.9rem; letter-spacing: -0.02em; }
.post-body h2 {
  font-size: 1.35rem;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 189, 46, 0.18);
  color: var(--cyan);
}
.post-body h3 { font-size: 1.1rem; color: var(--text); }
.post-body h4 { font-size: 0.95rem; color: var(--text-muted); }
.post-body p { margin-bottom: 1.5em; }
.post-body a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.post-body a:hover { opacity: 0.8; }
.post-body strong { color: var(--text); font-weight: 600; }
.post-body em { color: var(--text); font-style: italic; }
.post-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3em 0;
}
.post-body ul,
.post-body ol {
  padding-left: 1.5em;
  margin-bottom: 1.5em;
}
.post-body li { margin-bottom: 0.5em; }
.post-body ul li { list-style: disc; }
.post-body ol li { list-style: decimal; }
.post-body blockquote {
  border-left: 3px solid var(--amber);
  padding: 16px 24px;
  margin: 2em 0;
  background: var(--amber-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text);
  font-style: italic;
}
.post-body blockquote p { margin-bottom: 0; }
.post-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 1.5em 0;
  display: block;
}

/* Inline code */
.post-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--cyan);
}

/* Code blocks */
.post-body pre {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 2em 0;
  position: relative;
}
.post-body pre::before {
  content: attr(data-lang);
  display: block;
  padding: 10px 16px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.post-body pre code {
  display: block;
  padding: 20px;
  overflow-x: auto;
  background: none;
  border: none;
  border-radius: 0;
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1.7;
}
.copy-btn {
  position: absolute;
  top: 6px; right: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition);
}
.copy-btn:hover { color: var(--cyan); border-color: var(--border-mid); }
.copy-btn.copied { color: var(--green); border-color: rgba(0,255,135,0.3); }

/* ── Table of contents ──────────────────────────────────────── */
.post-toc {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  margin: 0 0 2.5rem;
  overflow: hidden;
}
.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: rgba(0,0,0,.25);
  border-bottom: 1px solid var(--border);
}
.toc-label {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--text-muted);
  letter-spacing: .04em;
}
.toc-comment { color: var(--text-dim); }
.toc-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: .8rem;
  width: 22px;
  height: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  line-height: 1;
}
.toc-toggle:hover { color: var(--cyan); border-color: var(--border-mid); }
.toc-list {
  list-style: none;
  padding: 12px 0;
  margin: 0;
  counter-reset: toc;
}
.toc-item {
  counter-increment: toc;
  padding: 0;
}
.toc-item a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 5px 18px;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.toc-item a::before {
  content: counter(toc, decimal-leading-zero) '.';
  color: var(--text-dim);
  font-size: .72rem;
  flex-shrink: 0;
  transition: color var(--transition);
}
.toc-item a:hover        { color: var(--text); background: rgba(255,255,255,.03); }
.toc-item a.toc-active   { color: var(--cyan); }
.toc-item a.toc-active::before { color: var(--cyan); }
.toc-sub a {
  padding-left: 36px;
  font-size: .78rem;
}
.toc-sub a::before { content: '└ '; color: var(--border-mid); font-size: .72rem; }

/* ── Prism syntax highlighting tokens ──────────────────────── */
.post-body pre code .token.comment,
.post-body pre code .token.prolog,
.post-body pre code .token.doctype,
.post-body pre code .token.cdata        { color: var(--text-dim); font-style: italic; }
.post-body pre code .token.keyword,
.post-body pre code .token.selector,
.post-body pre code .token.atrule,
.post-body pre code .token.rule         { color: var(--cyan); }
.post-body pre code .token.string,
.post-body pre code .token.attr-value,
.post-body pre code .token.regex,
.post-body pre code .token.inserted     { color: var(--green); }
.post-body pre code .token.number,
.post-body pre code .token.boolean,
.post-body pre code .token.constant     { color: var(--amber); }
.post-body pre code .token.function,
.post-body pre code .token.class-name   { color: #c9a0ff; }
.post-body pre code .token.operator,
.post-body pre code .token.entity       { color: var(--text-muted); }
.post-body pre code .token.property,
.post-body pre code .token.tag,
.post-body pre code .token.deleted      { color: #ff7b72; }
.post-body pre code .token.attr-name,
.post-body pre code .token.builtin      { color: var(--green); }
.post-body pre code .token.punctuation  { color: var(--text-dim); }
.post-body pre code .token.variable     { color: var(--text); }
.post-body pre code .token.important    { color: var(--amber); font-weight: bold; }

/* ── Post social footer ─────────────────────────────────────── */
.post-socials {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 32px 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}
.post-socials-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.post-socials-icons {
  display: flex;
  gap: 8px;
}
.post-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.post-social-icon:hover {
  color: var(--cyan);
  border-color: var(--border-mid);
  background: var(--cyan-dim);
}

/* ── Image lightbox ─────────────────────────────────────────── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  backdrop-filter: blur(4px);
}
#lightbox.open { display: flex; }
#lightboxImg {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(0,0,0,0.6);
  cursor: default;
}
#lightboxClose {
  position: fixed;
  top: 20px;
  right: 24px;
  background: none;
  border: 1px solid var(--border-mid);
  color: var(--text-muted);
  font-size: 1.1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), border-color var(--transition);
}
#lightboxClose:hover { color: var(--text); border-color: var(--text); }

/* ── Post prev/next navigation ──────────────────────────────── */
.post-nav {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.post-nav-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  text-decoration: none;
}
.post-nav-link:hover { border-color: var(--border-mid); background: rgba(255,255,255,.02); }
.post-nav-next { text-align: right; margin-left: auto; }
.post-nav-dir {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--cyan);
  letter-spacing: .05em;
}
.post-nav-title {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.4;
  transition: color var(--transition);
}
.post-nav-link:hover .post-nav-title { color: var(--text); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 700px) {
  .post-h1 { font-size: clamp(1.5rem, 6vw, 2rem); }
  .post-info { flex-wrap: wrap; gap: 8px; }
}
@media (max-width: 600px) {
  .post-nav-inner { grid-template-columns: 1fr; }
}