/* ============================================================
   SHOWDOWN LAB — editorial article layer
   Loaded on /blog/<article>.html in addition to theme.css + detail.css.
   ============================================================ */

/* ---------- hero extras ---------- */
.art-hero h1 { max-width: 18ch; }
.art-read { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-3); display: inline-flex; align-items: center; }
.art-read::before { content: "·"; margin-right: 10px; color: var(--text-4); }
.art-byline { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 20px; font-size: .98rem; color: var(--text-2); }
.art-byline .byl-by { color: #8A8A9C; }
.art-byline .byl-name { color: var(--text); font-weight: 600; border-bottom: 1px solid var(--line-2); padding-bottom: 1px; transition: color .2s, border-color .2s; }
.art-byline .byl-name:hover { color: var(--cyan); border-color: var(--cyan); }
.art-byline .byl-x { display: inline-flex; align-items: center; gap: 7px; color: var(--text-2); font-family: var(--font-mono); font-size: .82rem; transition: color .2s; }
.art-byline .byl-x:hover { color: var(--cyan); }
.art-byline .byl-x svg { width: 15px; height: 15px; fill: currentColor; flex: none; }

/* ---------- lead ---------- */
.art-lead { max-width: 820px; }
.art-lead p { font-size: clamp(1.16rem, 1.7vw, 1.42rem); line-height: 1.62; color: var(--text);
  font-weight: 380; margin: 0 0 18px; text-wrap: pretty; }
.art-lead p:last-child { margin-bottom: 0; }
.art-lead p strong { color: var(--text); font-weight: 600; }
.art-lead .em { color: var(--violet-2); font-style: normal; }

/* top-level loose block (e.g. a credit callout between lead and TOC) */
.art-loose { max-width: 820px; }
.art-loose > .art-callout, .art-loose > .art-figure, .art-loose > .art-quote { margin: 0; }

/* ---------- table of contents ---------- */
.art-toc { padding: 26px 30px; border: 1px solid var(--line-2); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent); max-width: 860px; }
.art-toc .toc-h { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--text-3); display: flex; align-items: center; gap: .6em; margin-bottom: 16px; }
.art-toc .toc-h .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.art-toc ol { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 40px; }
@media (max-width: 640px) { .art-toc ol { columns: 1; } }
.art-toc li { break-inside: avoid; }
.art-toc a { display: flex; gap: 13px; padding: 9px 0; color: var(--text-2);
  border-bottom: 1px solid var(--line); transition: color .2s, gap .2s; align-items: baseline; }
.art-toc a:hover { color: var(--text); gap: 16px; }
.art-toc .toc-n { font-family: var(--font-mono); font-size: .74rem; color: var(--violet-2); flex: none; }

/* ---------- section chrome ---------- */
.art-sec { padding-block: clamp(40px, 5vw, 68px); }
.art-lbl { display: flex; flex-direction: column; gap: 10px; }
.art-num { font-family: var(--font-display); font-size: 2.1rem; font-weight: 500; line-height: 1;
  letter-spacing: -.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; }
.art-col { min-width: 0; }
.art-col > p, .art-col > .art-h3, .art-col > .art-list, .art-col > .art-checks, .art-h2 { max-width: 730px; }

.art-col p { color: var(--text-2); font-size: 1.07rem; line-height: 1.75; margin: 0 0 18px; }
.art-col p:last-child { margin-bottom: 0; }
.art-col p strong, .art-col li strong { color: var(--text); font-weight: 600; }
.art-col .em { color: var(--violet-2); font-style: normal; font-weight: 500; }
.art-col a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(34,211,238,.35); transition: border-color .2s; }
.art-col a:hover { border-color: var(--cyan); }
.art-h2 { font-size: clamp(1.55rem, 2.7vw, 2.15rem); letter-spacing: -.025em; margin: 0 0 22px; }
.art-h3 { font-size: 1.2rem; margin: 32px 0 12px; color: var(--text); }

/* ---------- lists ---------- */
.art-list { margin: 0 0 18px; padding: 0; list-style: none; display: grid; gap: 11px; }
.art-list li { position: relative; padding-left: 26px; color: var(--text-2); font-size: 1.05rem; line-height: 1.62; }
.art-list li::before { content: ""; position: absolute; left: 5px; top: .62em; width: 7px; height: 7px;
  border-radius: 50%; background: var(--grad); }
.art-list.num { counter-reset: li; }
.art-list.num li { padding-left: 38px; }
.art-list.num li::before { content: counter(li); counter-increment: li; left: 0; top: .05em; width: 24px; height: 24px;
  border-radius: 7px; background: var(--grad-soft); border: 1px solid var(--line-2); color: var(--violet-2);
  font-family: var(--font-mono); font-size: .74rem; font-weight: 500; display: grid; place-items: center; }

.art-checks { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 12px; }
.art-checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 1.03rem; line-height: 1.55; }
.art-checks li svg { width: 19px; height: 19px; flex: none; margin-top: 3px; stroke: var(--cyan); fill: none; stroke-width: 1.9; }

/* ---------- callouts ---------- */
.art-callout { display: flex; gap: 16px; padding: 22px 24px; border-radius: var(--radius);
  border: 1px solid var(--line-2); background: linear-gradient(180deg, rgba(255,255,255,.03), transparent); margin: 28px 0; }
.art-callout .cal-ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; flex: none;
  background: var(--grad-soft); border: 1px solid var(--line-2); color: var(--violet-2); }
.art-callout .cal-ic svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.art-callout .cal-t { font-family: var(--font-display); font-weight: 600; color: var(--text); margin-bottom: 5px; font-size: 1.06rem; }
.art-callout p { margin: 0; color: var(--text-2); font-size: 1rem; line-height: 1.62; }
.cal-insight { border-color: rgba(139,92,246,.4); background: linear-gradient(180deg, rgba(139,92,246,.10), transparent); }
.cal-note { border-color: rgba(34,211,238,.35); background: linear-gradient(180deg, rgba(34,211,238,.07), transparent); }
.cal-note .cal-ic { color: var(--cyan); background: rgba(34,211,238,.10); border-color: rgba(34,211,238,.3); }
.cal-warn { border-color: rgba(251,191,36,.4); background: linear-gradient(180deg, rgba(251,191,36,.08), transparent); }
.cal-warn .cal-ic { color: var(--amber); background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.3); }

/* ---------- pull quote ---------- */
.art-quote { margin: 32px 0; padding: 4px 0 4px 26px; border-left: 3px solid var(--violet); }
.art-quote blockquote { margin: 0; font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem); line-height: 1.34; letter-spacing: -.02em; color: var(--text); text-wrap: balance; }
.art-quote blockquote .em { color: var(--violet-2); font-style: normal; }
.art-quote figcaption { margin-top: 13px; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .04em; color: var(--text-3); }

/* ---------- figures + diagrams ---------- */
.art-figure { margin: 32px 0; }
.art-figure figcaption, .art-code figcaption { margin-top: 13px; font-family: var(--font-mono);
  font-size: .76rem; letter-spacing: .03em; color: var(--text-3); line-height: 1.5; text-align: center; }
.diagram-scroll { width: 100%; border: 1px solid var(--line-2); border-radius: var(--radius);
  background: radial-gradient(130% 130% at 50% 0%, rgba(139,92,246,.07), transparent 60%), var(--surface); padding: 22px; }
.art-figure .diagram { width: 100%; height: auto; display: block; }
/* mobile: keep diagram text legible — render near native size and scroll horizontally */
@media (max-width: 760px) {
  .diagram-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 14px; }
  .diagram-scroll .diagram { min-width: 760px; }
  .art-figure figcaption::after { content: " · faites défiler →"; color: var(--violet-2); }
}

.diagram text { font-family: var(--font-body); }
.diagram .d-t { fill: var(--text); font-family: var(--font-display); font-weight: 600; }
.diagram .d-t-sm { fill: var(--text-2); }
.diagram .d-lbl { fill: var(--text-3); font-family: var(--font-mono); letter-spacing: .04em; }
.diagram .d-go { fill: var(--green); font-family: var(--font-display); font-weight: 600; }
.diagram .d-amber { fill: var(--amber); font-family: var(--font-display); font-weight: 600; }
.diagram .d-core-t { fill: #0a0118; font-family: var(--font-display); font-weight: 700; }
.diagram .d-frame { fill: rgba(255,255,255,.015); stroke: var(--line-2); }
.diagram .d-node { fill: #14142a; stroke: var(--line-2); }
.diagram .d-node-v { fill: rgba(139,92,246,.13); stroke: rgba(139,92,246,.5); }
.diagram .d-node-c { fill: rgba(34,211,238,.10); stroke: rgba(34,211,238,.45); }
.diagram .d-node-go { fill: rgba(52,211,153,.12); stroke: rgba(52,211,153,.5); }
.diagram .d-node-amber { fill: rgba(251,191,36,.12); stroke: rgba(251,191,36,.5); }
.diagram .d-diamond { fill: #14142a; stroke: var(--line-2); }
.diagram .d-edge { fill: none; stroke: rgba(255,255,255,.24); stroke-width: 1.7; }
.diagram .d-edge-dash { stroke-dasharray: 5 6; }
.diagram .d-edge-go { stroke: rgba(52,211,153,.7); }
.diagram .d-arrow { fill: rgba(255,255,255,.45); }
.diagram .d-arrow-go { fill: var(--green); }

/* ---------- comparison table ---------- */
.art-compare { margin: 30px 0; overflow-x: auto; border: 1px solid var(--line-2); border-radius: var(--radius);
  -webkit-overflow-scrolling: touch; }
.art-compare table { width: 100%; border-collapse: collapse; min-width: 600px; }
.art-compare th, .art-compare td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line);
  vertical-align: top; font-size: .96rem; line-height: 1.5; }
.art-compare thead th { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-3); background: rgba(255,255,255,.02); }
.art-compare tbody th[scope="row"] { color: var(--text); font-weight: 600; font-family: var(--font-display); width: 22%; }
.art-compare td { color: var(--text-2); }
.art-compare tr:last-child td, .art-compare tr:last-child th { border-bottom: 0; }
.art-compare .agent { background: rgba(139,92,246,.07); }
.art-compare td.agent { color: var(--text); }
.art-compare thead th.agent { color: var(--violet-2); background: rgba(139,92,246,.1); }

/* ---------- playbook steps ---------- */
.art-steps { list-style: none; margin: 26px 0; padding: 0; }
.art-steps li { display: flex; gap: 20px; padding: 22px 0; border-top: 1px solid var(--line); }
.art-steps li:first-child { border-top: 0; padding-top: 4px; }
.art-steps .st-n { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; flex: none; width: 36px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.art-steps h3 { font-size: 1.1rem; margin: 0 0 6px; color: var(--text); }
.art-steps .st-b p { margin: 0; color: var(--text-2); font-size: 1rem; line-height: 1.62; }

/* ---------- code ---------- */
.art-code { margin: 28px 0; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; background: #0b0b16; }
.art-code .code-bar { display: flex; align-items: center; gap: 7px; padding: 11px 15px; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.02); }
.art-code .cd { width: 10px; height: 10px; border-radius: 50%; background: #2a2a44; }
.art-code .code-name { margin-left: 10px; font-family: var(--font-mono); font-size: .74rem; color: var(--text-3); letter-spacing: .02em; }
.art-code pre { margin: 0; padding: 18px 20px; overflow-x: auto; }
.art-code code { font-family: var(--font-mono); font-size: .85rem; line-height: 1.65; color: #c9d3f5; white-space: pre; }
.art-code figcaption { padding: 0 20px 14px; text-align: left; margin-top: 0; }

/* ---------- inline image ---------- */
.art-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-2);
  background: linear-gradient(135deg, rgba(139,92,246,.16), rgba(34,211,238,.09)); }
.art-img img { width: 100%; display: block; }
.art-img.placeholder { aspect-ratio: 16/9; }

/* ---------- stats ---------- */
.art-stat { margin: 28px 0; }

/* ---------- FAQ ---------- */
.art-faq { margin: 6px 0 0; display: grid; gap: 10px; }
.faq-item { border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--surface); overflow: hidden;
  transition: border-color .25s; }
.faq-item[open] { border-color: rgba(139,92,246,.4); }
.faq-item summary { cursor: pointer; padding: 18px 22px; font-family: var(--font-display); font-weight: 600;
  font-size: 1.05rem; color: var(--text); list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); font-size: 1.4rem; line-height: 1;
  color: var(--violet-2); transition: transform .25s; flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 22px 20px; }
.faq-a p { margin: 0; color: var(--text-2); font-size: 1.02rem; line-height: 1.65; }
.faq-a a { color: var(--cyan); border-bottom: 1px solid rgba(34,211,238,.35); }

/* ---------- final CTA ---------- */
.art-cta h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }

/* ---------- a11y: lift muted label/caption contrast to >=4.5:1 (scoped) ---------- */
.art-read,
.art-toc .toc-h,
.art-quote figcaption,
.art-figure figcaption,
.art-code figcaption,
.art-code .code-name,
.art-compare thead th { color: #8A8A9C; }
.diagram .d-lbl { fill: var(--text-2); }