/* ---------- Breadcrumb ---------- */
.crumb-nav { padding: 16px 0; border-bottom: 1px solid var(--line); }

.crumb-nav .wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-dim);
  flex-wrap: wrap;
}

.crumb-nav a { color: var(--ink-dim); border-bottom: none; }
.crumb-nav a:hover { color: var(--amber); }
.crumb-nav .sep { color: var(--line-strong); }
.crumb-nav .current { color: var(--ink); }

/* ---------- Article hero ---------- */
.article-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}

.article-hero .article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-dim);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.article-hero .article-meta .log-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--amber);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 2px 8px;
}

.article-hero h1 {
  font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 900;
  line-height: 1.3;
  max-width: 820px;
}

.article-hero .article-lede {
  margin-top: 16px;
  color: var(--ink-dim);
  font-size: 16px;
  max-width: 700px;
}

/* ---------- Article body ---------- */
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 20px;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 44px 0 16px;
  padding-top: 4px;
}

.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 30px 0 12px;
  color: var(--amber);
}

.article-body p {
  color: var(--ink-dim);
  font-size: 15.5px;
  line-height: 1.85;
  margin-bottom: 16px;
}

.article-body p strong { color: var(--ink); font-weight: 600; }

.article-body ul,
.article-body ol {
  color: var(--ink-dim);
  font-size: 15.5px;
  line-height: 1.85;
  margin: 0 0 20px;
  padding-left: 26px;
}

.article-body li { margin-bottom: 8px; }
.article-body li strong { color: var(--ink); font-weight: 600; }

.article-body ol { list-style: none; counter-reset: step; padding-left: 0; }

.article-body ol > li {
  position: relative;
  padding-left: 40px;
  counter-increment: step;
}

.article-body ol > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--amber);
  background: var(--panel);
  border: 1px solid var(--line-strong);
}

.article-body code {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--amber);
  background: rgba(255, 176, 59, 0.08);
  border-radius: 4px;
  padding: 1px 6px;
}

.article-body pre {
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  overflow-x: auto;
  margin: 0 0 22px;
}

.article-body pre code {
  background: none;
  color: var(--ink);
  padding: 0;
  font-size: 13px;
  line-height: 1.7;
  white-space: pre;
}

.article-body blockquote {
  margin: 0 0 22px;
  padding: 14px 20px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 176, 59, 0.05);
  border-radius: 0 8px 8px 0;
  color: var(--ink-dim);
  font-size: 14.5px;
}

.article-body a { color: var(--amber); border-bottom: 1px dashed var(--line-strong); }

.article-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}

/* ---------- Related posts ---------- */
.article-related {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 24px 64px;
}

.article-related h2 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}

/* ---------- End-of-article download card ---------- */
.dl-card {
  max-width: 720px;
  margin: 0 auto 56px;
  padding: 0 24px;
}

.dl-card-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 36px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background:
    linear-gradient(120deg, rgba(255, 176, 59, 0.08), transparent 60%),
    var(--panel-deep);
  flex-wrap: wrap;
}

.dl-card-copy h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}

.dl-card-copy p {
  color: var(--ink-dim);
  font-size: 14px;
  margin: 0;
}

.dl-card-actions {
  display: flex;
  gap: 12px;
  flex: none;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .dl-card-inner { padding: 26px 22px; }
  .dl-card-actions { width: 100%; }
  .dl-card-actions .btn { flex: 1; text-align: center; }
}

/* ---------- Floating download widget ---------- */
.dl-fab {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px 13px 16px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--amber), var(--amber-deep));
  color: #17110a;
  font-weight: 700;
  font-size: 13.5px;
  box-shadow: 0 8px 24px rgba(255, 176, 59, 0.28);
  transition: transform 0.2s, box-shadow 0.2s;
  border-bottom: none;
}

.dl-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 176, 59, 0.38);
}

.dl-fab-icon {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
}

.dl-fab-icon svg { width: 16px; height: 16px; fill: #17110a; }

@media (max-width: 640px) {
  .dl-fab { right: 16px; bottom: 16px; padding: 13px; }
  .dl-fab-text { display: none; }
}

@media (max-width: 640px) {
  .article-body { padding: 36px 20px 10px; }
  .article-related { padding: 16px 20px 48px; }
}