/* ===== Long-form article styles — layered on top of styles.css ===== */

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Post header --- */
.post-head {
  padding: 72px 0 36px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.post-head h1 {
  font-size: 2.5rem;
  line-height: 1.13;
  margin-bottom: 18px;
}

.post-sub {
  font-size: 1.15rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.post-meta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-top: 24px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.post-meta .sep { color: var(--border-strong); }

/* --- Table of contents --- */
.toc {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 28px;
  margin-bottom: 48px;
}

.toc-title {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
}

.toc ol {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toc ol li {
  counter-increment: toc;
  padding-left: 34px;
  position: relative;
}

.toc ol li::before {
  content: "0" counter(toc);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  opacity: 0.7;
}

.toc a {
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.15s ease, text-shadow 0.15s ease;
}

.toc a:hover {
  color: var(--accent);
  text-shadow: 0 0 10px color-mix(in srgb, var(--accent) 50%, transparent);
}

/* --- Prose --- */
.prose { font-size: 1.05rem; line-height: 1.78; }

.prose > p {
  color: var(--text-dim);
  margin-bottom: 22px;
}

.prose strong { color: var(--text); font-weight: 600; }

.prose em { color: var(--text); font-style: italic; }

.prose h2 {
  font-size: 1.75rem;
  margin: 64px 0 8px;
  scroll-margin-top: 90px;
  line-height: 1.25;
}

.prose h2 .h2-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  text-transform: uppercase;
  text-shadow: 0 0 12px color-mix(in srgb, var(--accent) 45%, transparent);
}

.prose h2 + p { margin-top: 18px; }

.prose h3 {
  font-size: 1.2rem;
  margin: 40px 0 14px;
  color: var(--text);
  scroll-margin-top: 90px;
}

.prose h4 {
  font-size: 1rem;
  margin: 28px 0 10px;
  color: var(--text);
  font-family: var(--mono);
  font-weight: 600;
}

.prose ul, .prose ol {
  margin: 0 0 24px 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.prose ul li, .prose ol li {
  color: var(--text-dim);
}

.prose ul li::marker { color: var(--accent); }
.prose ol li::marker { color: var(--accent); font-family: var(--mono); font-size: 0.9rem; }

.prose a:not(.btn) {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  transition: text-shadow 0.15s ease, border-color 0.15s ease;
}

.prose a:not(.btn):hover {
  text-shadow: 0 0 10px color-mix(in srgb, var(--accent) 60%, transparent);
  border-color: var(--accent);
}

.prose code {
  font-family: var(--mono);
  font-size: 0.87em;
  background: color-mix(in srgb, var(--accent-3) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-3) 25%, transparent);
  color: var(--accent-3);
  padding: 1px 6px;
  border-radius: 5px;
}

.prose pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 0 0 26px;
  position: relative;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.7;
}

.prose pre .kw { color: var(--accent-2); }
.prose pre .fn { color: var(--accent); }
.prose pre .cm { color: var(--text-faint); font-style: italic; }
.prose pre .st { color: var(--accent-4); }

/* --- Lede / drop intro --- */
.lede {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 26px;
}

/* --- Callouts --- */
.note {
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border-radius: 0 10px 10px 0;
  padding: 18px 22px;
  margin: 0 0 26px;
  font-size: 0.97rem;
}

.note p { margin-bottom: 0; color: var(--text-dim); }
.note p + p { margin-top: 12px; }

.note-title {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
  margin-bottom: 8px;
}

.note.warn { border-left-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 7%, transparent); }
.note.warn .note-title { color: var(--accent-2); }

.note.good { border-left-color: var(--accent-4); background: color-mix(in srgb, var(--accent-4) 7%, transparent); }
.note.good .note-title { color: var(--accent-4); }

.takeaway {
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, transparent), color-mix(in srgb, var(--accent-2) 7%, transparent));
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 24px 26px;
  margin: 36px 0;
}

.takeaway .note-title { color: var(--accent); }
.takeaway p:last-child { margin-bottom: 0; }

/* --- Pull quote --- */
.pull {
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--text);
  font-weight: 600;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  margin: 40px 0;
  text-align: center;
}

/* --- Tables --- */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 30px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 520px;
}

.prose thead th {
  background: var(--surface-2);
  text-align: left;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.prose tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}

.prose tbody tr:last-child td { border-bottom: none; }

.prose tbody tr { transition: background 0.15s ease; }
.prose tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }

.prose tbody td strong { color: var(--text); }

/* --- Timeline (history section) --- */
.hist {
  display: flex;
  flex-direction: column;
  margin: 0 0 30px;
  position: relative;
  padding-left: 26px;
}

.hist::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--accent-3), var(--accent-2));
  opacity: 0.5;
}

.hist-item {
  padding: 0 0 24px;
  position: relative;
}

.hist-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 60%, transparent);
}

.hist-year {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 4px;
}

.hist-item h4 {
  font-family: var(--sans);
  font-size: 1rem;
  margin: 0 0 6px;
  color: var(--text);
}

.hist-item p { font-size: 0.94rem; margin-bottom: 0; color: var(--text-dim); }

/* --- Skill levels --- */
.level {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 28px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.level:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--glow-soft);
  transform: translateY(-3px);
}

.level-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 4px 11px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  display: inline-block;
  margin-bottom: 12px;
}

.level h3 { margin: 0 0 10px; font-size: 1.15rem; }

.level p { font-size: 0.95rem; }

.level ul { margin-bottom: 0; }

.level-check {
  font-family: var(--mono);
  font-size: 0.83rem;
  color: var(--accent-4);
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-strong);
}

/* --- Two-column compare --- */
.vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 0 0 30px;
}

.vs-col {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.vs-col h4 {
  font-family: var(--mono);
  font-size: 0.85rem;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.vs-col.ai h4 { color: var(--accent-2); }
.vs-col.human h4 { color: var(--accent-4); }

.vs-col ul { margin-bottom: 0; padding-left: 18px; }
.vs-col ul li { font-size: 0.92rem; }
.vs-col.ai ul li::marker { color: var(--accent-2); }
.vs-col.human ul li::marker { color: var(--accent-4); }

/* --- Roadmap phases --- */
.phase {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}

.phase:last-child { border-bottom: none; }

.phase-time {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  padding-top: 2px;
}

.phase h4 { margin: 0 0 8px; font-family: var(--sans); font-size: 1.02rem; }

.phase p { font-size: 0.94rem; margin-bottom: 10px; }

.phase ul { margin-bottom: 0; }

/* --- Post footer / nav --- */
.post-foot {
  margin-top: 64px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.author-box {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  color: #06060c;
  flex-shrink: 0;
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 40%, transparent);
}

.author-box h4 { margin: 0 0 6px; font-family: var(--sans); }

.author-box p { font-size: 0.92rem; margin-bottom: 10px; }

/* --- Reading progress bar --- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-3), var(--accent-2));
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent);
  z-index: 200;
  transition: width 0.1s linear;
}

/* --- Responsive --- */
@media (max-width: 720px) {
  .post-head h1 { font-size: 1.85rem; }
  .post-head { padding-top: 48px; }
  .post-sub { font-size: 1.02rem; }
  .prose { font-size: 1rem; }
  .prose h2 { font-size: 1.45rem; margin-top: 48px; }
  .vs-grid { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 1fr; gap: 6px; }
  .pull { font-size: 1.1rem; }
  .toc { padding: 20px; }
}