@import url("base.css");

/* ── syntax highlighting (inner pages only) ── */
.f { color: #93c5fd; }
.s { color: #86efac; }
.k { color: #fbbf24; }
.n { color: #c4b5fd; }

/* ── sections ────────────────────────────────── */
.section { padding: 72px 0; }
.section.bg-white { background: var(--bg-white); }
.section-header { margin-bottom: 40px; }

.label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 12px; display: block;
}

h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(2rem, 4.5vw, 2.6rem);
  font-weight: 400; line-height: 1.15; letter-spacing: -0.02em;
  color: var(--ink);
}
h2 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 400; line-height: 1.2; letter-spacing: -0.01em;
  margin-bottom: 8px;
}
h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.section-sub { font-size: 0.95rem; color: var(--muted); max-width: 560px; }

/* ── compare ─────────────────────────────────── */
.compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.compare-side {
  border-radius: var(--radius); padding: 24px;
}
.compare-side.before { background: #fef2f2; border: 1px solid #fecaca; }
.compare-side.after { background: var(--teal-soft); border: 1px solid #99f6e4; }
.compare-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px;
}
.before .compare-label { color: #b91c1c; }
.after .compare-label { color: var(--teal); }
.compare-side pre {
  font-size: 0.75rem; background: rgba(0,0,0,0.06); color: var(--ink);
  padding: 14px 16px; margin: 0; border-radius: 6px;
}
.compare-side.after pre { background: rgba(0,0,0,0.04); }

.compare-issues {
  list-style: none; margin-top: 16px; font-size: 0.84rem;
}
.compare-issues li {
  padding: 4px 0; color: var(--muted);
  padding-left: 20px; position: relative;
}
.compare-issues li::before {
  content: "\2717"; position: absolute; left: 0; color: #ef4444; font-size: 0.8rem;
}
.compare-issues.good li::before {
  content: "\2713"; color: var(--teal);
}

/* ── principles grid ─────────────────────────── */
.principles-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; background: var(--bg-white);
  transition: border-color 0.15s;
}
.card:hover { border-color: #a1a1aa; }
.card-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem; font-weight: 600; color: var(--accent);
  margin-bottom: 12px;
}
.card p { font-size: 0.88rem; color: var(--muted); margin-bottom: 12px; }
.card a { font-size: 0.82rem; font-weight: 600; }

/* ── pipeline ────────────────────────────────── */
.pipeline {
  display: flex; align-items: flex-start; gap: 0;
  margin-bottom: 20px;
}
.pipe-step {
  flex: 1; text-align: center; padding: 20px 12px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg);
}
.pipe-icon {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem; font-weight: 600; color: var(--accent);
  background: var(--accent-soft); width: 28px; height: 28px;
  border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
}
.pipe-name {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem; font-weight: 600; color: var(--teal);
  margin-bottom: 4px;
}
.pipe-desc { font-size: 0.76rem; color: var(--muted); line-height: 1.5; }
.pipe-arrow {
  flex-shrink: 0; color: #d4d4d8; font-size: 1.2rem;
  padding: 28px 8px 0; align-self: flex-start;
}
.pipeline-note {
  font-size: 0.88rem; color: var(--muted);
  padding: 16px 0; border-top: 1px solid var(--border);
}

/* ── stats ────────────────────────────────────── */
.stats-grid {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 2.4rem; font-weight: 700; color: var(--ink);
  letter-spacing: -0.03em;
}
.stat-label { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

/* ── steps ────────────────────────────────────── */
.steps { display: flex; flex-direction: column; gap: 32px; }
.step { display: flex; gap: 20px; }
.step-num {
  flex-shrink: 0; width: 36px; height: 36px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem; font-weight: 700; color: var(--accent);
  background: var(--accent-soft); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.step-content { flex: 1; }
.step-content h3 { margin-bottom: 8px; }
.step-content pre { margin-top: 8px; }
.step-result { font-size: 0.84rem; color: var(--muted); margin-top: 8px; }

/* ── checklist ───────────────────────────────── */
.checklist-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}
.check-item {
  padding: 10px 14px; border-radius: 6px;
  font-size: 0.84rem; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.check-item.pass { background: #d1fae5; color: #065f46; }
.check-mark { font-weight: 700; }

/* ── deep links ──────────────────────────────── */
.deep-links {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.deep-links-2col { grid-template-columns: repeat(2, 1fr); }

.deep-link-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  display: flex; flex-direction: column;
}
.deep-link-card:hover {
  border-color: var(--teal); text-decoration: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.deep-link-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem; font-weight: 600; color: var(--accent);
  margin-bottom: 12px;
}
.deep-link-card h3 { color: var(--ink); margin-bottom: 8px; }
.deep-link-card p { color: var(--muted); font-size: 0.88rem; flex: 1; }
.deep-link-cta {
  font-size: 0.82rem; font-weight: 600; color: var(--teal);
  margin-top: 16px;
}

/* ── pattern table ───────────────────────────── */
.pattern-table { max-width: 700px; }
.pattern-row {
  display: flex; gap: 24px; padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.pattern-row:last-child { border-bottom: none; }
.pattern-key {
  flex-shrink: 0; width: 160px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem; font-weight: 600; color: var(--teal);
}
.pattern-val { font-size: 0.88rem; color: var(--muted); }

/* ── article pages ───────────────────────────── */
.article { padding: 56px 0 80px; }
.article-header { margin-bottom: 48px; }
.article-header .label { margin-bottom: 8px; }
.article-header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 12px;
}
.article-header .section-sub { max-width: 640px; }

.prose { max-width: 720px; }
.prose h2 {
  font-size: 1.35rem; margin-top: 56px; margin-bottom: 16px;
  padding-top: 32px; border-top: 1px solid var(--border);
}
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.prose h3 { margin-top: 32px; margin-bottom: 8px; }
.prose p { color: var(--muted); margin-bottom: 16px; font-size: 0.92rem; }
.prose ul, .prose ol {
  color: var(--muted); margin-bottom: 16px; padding-left: 24px;
  font-size: 0.92rem;
}
.prose li { margin-bottom: 6px; }
.prose pre { margin: 16px 0 24px; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px; margin: 20px 0;
  background: var(--accent-soft); border-radius: 0 var(--radius) var(--radius) 0;
}
.prose blockquote p { color: var(--ink); margin-bottom: 0; font-size: 0.88rem; }

.toc {
  position: sticky; top: 80px;
  padding-left: 24px; border-left: 1px solid var(--border);
}
.toc-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px;
}
.toc a {
  display: block; font-size: 0.82rem; color: var(--muted);
  padding: 4px 0; text-decoration: none;
}
.toc a:hover { color: var(--ink); }

.article-layout {
  display: grid; grid-template-columns: 1fr 220px; gap: 48px;
  align-items: start;
}

/* ── skill cards ─────────────────────────────── */
.skill-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px; margin-top: 24px;
}
.skill-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; background: var(--bg-white);
}
.skill-card .skill-name {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.88rem; font-weight: 600; color: var(--teal);
  margin-bottom: 4px;
}
.skill-card .skill-phase {
  font-size: 0.72rem; color: var(--accent); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px;
}
.skill-card p { font-size: 0.84rem; color: var(--muted); margin: 0; }

/* flow diagram */
.flow-diagram {
  display: flex; align-items: center; justify-content: center;
  gap: 0; padding: 24px 0; flex-wrap: wrap;
}
.flow-node {
  padding: 10px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--bg-white);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem; font-weight: 600; color: var(--teal);
  text-align: center;
}
.flow-node.orchestrator {
  border-color: var(--accent); background: var(--accent-soft);
  color: var(--accent);
}
.flow-arrow { color: #d4d4d8; padding: 0 6px; font-size: 1.1rem; }

/* ── article nav (prev/next) ─────────────────── */
.article-nav {
  display: flex; justify-content: space-between; gap: 20px;
  margin-top: 56px; padding-top: 32px;
  border-top: 1px solid var(--border);
}
.article-nav a {
  display: flex; flex-direction: column; gap: 4px;
  text-decoration: none; padding: 12px 0;
  max-width: 45%;
}
.article-nav a:hover { text-decoration: none; }
.article-nav a:hover .article-nav-title { color: var(--teal); }
.article-nav-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.article-nav-title {
  font-size: 0.92rem; font-weight: 600; color: var(--ink);
  transition: color 0.15s;
}
.article-nav .article-nav-next { margin-left: auto; text-align: right; }

/* ── reference tables ────────────────────────── */
.prose table {
  width: 100%; border-collapse: collapse;
  margin: 16px 0 24px; font-size: 0.84rem;
  display: block; overflow-x: auto;
}
.prose th {
  text-align: left; font-weight: 600; color: var(--ink);
  padding: 10px 12px; border-bottom: 2px solid var(--border);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.prose td {
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  color: var(--muted); vertical-align: top;
}
.prose td code {
  font-size: 0.78rem; white-space: nowrap;
}
.prose tr:last-child td { border-bottom: none; }

/* ── slide gallery ──────────────────────────── */
.slide-gallery {
  display: flex; flex-direction: column;
  gap: 16px; margin: 16px 0 24px;
}
.slide-gallery img {
  width: 100%; border-radius: 6px;
  border: 1px solid var(--border);
}
.slide-gallery figcaption {
  font-size: 0.76rem; color: var(--muted);
  margin-top: 4px;
}
.slide-gallery figure { margin: 0; }

/* ── responsive ──────────────────────────────── */
@media (max-width: 900px) {
  .principles-grid { grid-template-columns: 1fr 1fr; }
  .deep-links { grid-template-columns: 1fr 1fr; }
  .deep-links-2col { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-layout .toc {
    position: static; border-left: none; padding-left: 0;
    display: flex; flex-wrap: wrap; gap: 4px 16px;
    padding: 12px 16px; margin-bottom: 32px;
    background: var(--bg-white); border: 1px solid var(--border);
    border-radius: var(--radius); order: -1;
  }
  .article-layout .toc .toc-title { margin-bottom: 0; margin-right: 8px; }
  .article-layout .prose { order: 0; }
}

@media (max-width: 640px) {
  .principles-grid { grid-template-columns: 1fr; }
  .deep-links { grid-template-columns: 1fr; }
  .deep-links-2col { grid-template-columns: 1fr; }
  .article-layout .toc { display: none; }
  .compare { grid-template-columns: 1fr; }
  .pipeline { flex-direction: column; }
  .pipe-arrow { transform: rotate(90deg); text-align: center; padding: 4px 0; }
  .pipe-step { text-align: left; padding: 16px; }
  .stats-grid { gap: 24px; }
  .flow-diagram { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}