/* sdk_web — shared styles.
   Design DNA cloned from taiweb/tools.html (dark glass, aurora blobs,
   sticky glass topbar) but the accent is blue instead of orange. */

*{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0c0708;
  --surface:rgba(22,14,16,.55);
  --surface-2:rgba(255,255,255,.04);
  --text:#f2f5fa;
  --text-dim:#c6cddb;
  --text-muted:#8890a2;
  --accent:#dc2626;
  --accent-soft:#fca5a5;
  --accent-2:#f97316;
  --red:#ef4444;
  --green:#22c55e;
  --amber:#f59e0b;
  --purple:#a855f7;
  --border:rgba(255,255,255,.08);
  --font-sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-display:'Space Grotesk','Inter',sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',ui-monospace,Menlo,monospace;
}

html,body{height:100%}
body{background:var(--bg);color:var(--text);font:15px/1.55 var(--font-sans);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent-soft);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px;
  text-decoration-color:rgba(239,68,68,.6)}
button{font:inherit}
img{max-width:100%;display:block}

/* Ambient background — red + warm-orange wisps. Low opacities: tint, not wash.
   The whole layer is translated by JS-set CSS vars (--tx3 / --ty3) so it drifts
   with the cursor; the inner ::before / ::after keep their gentle idle
   animation because applying the transform on the PARENT doesn't conflict
   with the animated children. */
.bg-ambient{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden;
  transform:translate(var(--tx3,0px), var(--ty3,0px));
  transition:transform .12s linear;will-change:transform}
.bg-ambient::before,.bg-ambient::after{content:"";position:absolute;border-radius:50%;
  filter:blur(120px);mix-blend-mode:screen;
  animation:ambientDrift 28s ease-in-out infinite alternate}
.bg-ambient::before{background:radial-gradient(circle,rgba(239,68,68,.38),transparent 65%);
  width:720px;height:720px;top:-220px;left:-180px;opacity:.22}
.bg-ambient::after{background:radial-gradient(circle,rgba(249,115,22,.32),transparent 65%);
  width:640px;height:640px;bottom:-240px;right:-180px;opacity:.16;animation-delay:-14s}
/* Mid layer — parallax only, no keyframe animation (the animation would
   overwrite our JS-driven transform on every frame). */
.bg-ambient-mid{position:fixed;top:40%;left:50%;width:480px;height:480px;
  transform:translate(-50%,-50%) translate(var(--tx2,0px), var(--ty2,0px));
  border-radius:50%;
  background:radial-gradient(circle,rgba(252,165,165,.22),transparent 70%);
  filter:blur(90px);mix-blend-mode:screen;pointer-events:none;z-index:0;opacity:.3;
  transition:transform .14s linear;will-change:transform}
@keyframes ambientDrift{
  0%{transform:translate(0,0) scale(1)}
  100%{transform:translate(40px,-30px) scale(1.08)}
}

/* Mesh aurora */
/* --mx/--my are unitless numbers in [-50..50] driven by JS (assets/partials.js)
   from pointer position (center = 0,0). CSS uses them inside translate/rotate
   on the aurora layer for a subtle parallax that tracks the cursor. */
.bg-grid{position:fixed;inset:-25%;pointer-events:none;z-index:0;opacity:.45;
  background:
    radial-gradient(ellipse 42% 34% at 22% 28%, rgba(239,68,68,.22), transparent 62%),
    radial-gradient(ellipse 38% 32% at 78% 22%, rgba(249,115,22,.14), transparent 62%),
    radial-gradient(ellipse 46% 38% at 72% 82%, rgba(252,165,165,.18), transparent 62%),
    radial-gradient(ellipse 36% 30% at 18% 85%, rgba(244,63,94,.1), transparent 62%),
    radial-gradient(ellipse 32% 28% at 50% 48%, rgba(239,68,68,.12), transparent 65%);
  filter:blur(52px) saturate(115%);
  mix-blend-mode:screen;
  transform:translate(var(--tx,0px), var(--ty,0px)) rotate(var(--tr,0deg));
  will-change:transform;
  transition:transform .12s linear}
.bg-ambient-mid{
  transform:translate(-50%,-50%)
            translate(var(--tx2,0px), var(--ty2,0px));
  will-change:transform;
  transition:transform .12s linear}

.page{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:0 24px 60px}

/* ── Topbar ── */
.topbar{display:flex;align-items:center;gap:12px;
  padding:calc(14px + env(safe-area-inset-top,0px)) 18px 14px;
  max-width:1100px;margin:0 auto;
  background:linear-gradient(to bottom,rgba(22,14,16,.92),rgba(22,14,16,.75) 70%,rgba(22,14,16,.55));
  backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
  border-radius:0 0 18px 18px;border:1px solid rgba(255,255,255,.06);border-top:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),
             inset 0 -1px 0 rgba(0,0,0,.35),
             0 8px 28px rgba(0,0,0,.32);
  position:sticky;top:0;z-index:40}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);
  font-weight:700;letter-spacing:-.3px;font-size:16px;padding:4px 8px 4px 4px;
  border-radius:10px;transition:all .15s}
.brand:hover{background:rgba(255,255,255,.05);text-decoration:none}
.brand .logo{width:28px;height:28px;border-radius:7px;object-fit:contain;
  background:rgba(255,255,255,.04);padding:2px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08),0 4px 14px rgba(239,68,68,.22)}
.powered-by{font-size:11px;color:var(--text-muted);font-weight:500;white-space:nowrap}
.powered-by a{color:var(--accent)}
.topbar-spacer{flex:1}
.topbar-link{display:inline-flex;align-items:center;padding:6px 12px;
  color:var(--text-dim);font-size:13px;font-weight:600;text-decoration:none;
  border-radius:8px;transition:all .15s;white-space:nowrap}
.topbar-link:hover{color:var(--text);background:rgba(255,255,255,.05);
  text-decoration:none}
.topbar-link.active{color:var(--text);background:rgba(239,68,68,.12)}
.topbar-cta{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;
  background:linear-gradient(180deg,rgba(239,68,68,.28),rgba(239,68,68,.1));
  color:#eff6ff;border:1px solid rgba(239,68,68,.55);border-radius:10px;
  font:inherit;font-size:12.5px;font-weight:700;cursor:pointer;transition:all .15s;
  white-space:nowrap;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 4px 14px rgba(239,68,68,.25);
  text-decoration:none}
.topbar-cta:hover{background:linear-gradient(180deg,rgba(239,68,68,.42),rgba(239,68,68,.16));
  transform:translateY(-1px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 8px 22px rgba(239,68,68,.35);
  text-decoration:none;color:#eff6ff}
@media(max-width:600px){
  .topbar{padding:10px 12px;gap:8px}
  .powered-by{display:none}
  .brand span{font-size:14px}
  .topbar-cta{padding:6px 10px;font-size:11.5px}
}

/* ── Hero ── */
.page-header{text-align:center;padding:48px 12px 30px;position:relative}
.eyebrow{font-size:11px;font-weight:700;color:var(--accent-soft);
  letter-spacing:1.6px;text-transform:uppercase;margin-bottom:14px}
.page-header h1{font-family:var(--font-display);
  font-size:clamp(28px,5vw,48px);font-weight:700;letter-spacing:-1.2px;
  line-height:1.08;margin-bottom:14px}
.page-header h1 .grad{background:linear-gradient(110deg,#ffffff 0%,#fca5a5 45%,#dc2626 70%,#f97316 95%);
  background-size:250% 100%;-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:gradShift 8s ease-in-out infinite}
@keyframes gradShift{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.page-header .lede{font-size:clamp(15px,1.6vw,17px);color:var(--text-dim);
  max-width:640px;margin:0 auto;line-height:1.55}

.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:22px 34px;
  margin:26px auto 0;max-width:640px}
.hero-stat{text-align:center;min-width:80px}
.hero-stat-value{font-family:var(--font-display);
  font-size:clamp(22px,3.2vw,30px);font-weight:800;letter-spacing:-.8px;line-height:1;
  background:linear-gradient(135deg,#ffffff 0%,#fca5a5 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent}
.hero-stat-label{font-size:10px;font-weight:700;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:1.4px;margin-top:4px}

.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:11px;
  font:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:all .18s;
  text-decoration:none;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:linear-gradient(180deg,rgba(239,68,68,.42),rgba(239,68,68,.18));
  border-color:rgba(239,68,68,.6);color:#eff6ff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 8px 22px rgba(239,68,68,.28)}
.btn-primary:hover{transform:translateY(-1px);
  background:linear-gradient(180deg,rgba(239,68,68,.55),rgba(239,68,68,.24));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.24),0 12px 28px rgba(239,68,68,.4);
  text-decoration:none;color:#eff6ff}
.btn-ghost{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);
  color:var(--text-dim)}
.btn-ghost:hover{background:rgba(255,255,255,.07);color:var(--text);
  text-decoration:none}

/* ── Sections ── */
section{margin:42px 0}
section h2{font-family:var(--font-display);
  font-size:clamp(20px,2.6vw,26px);font-weight:700;letter-spacing:-.4px;
  margin-bottom:6px}
section .section-sub{color:var(--text-muted);font-size:14px;margin-bottom:20px}

/* Cards/grid */
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
}

.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:18px;transition:all .2s;backdrop-filter:blur(12px) saturate(160%);
  -webkit-backdrop-filter:blur(12px) saturate(160%);
  position:relative;overflow:hidden}
.card:hover{border-color:rgba(239,68,68,.35);transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(0,0,0,.35),0 0 0 1px rgba(239,68,68,.2)}
.card .icon{width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,rgba(239,68,68,.28),rgba(249,115,22,.14));
  display:grid;place-items:center;margin-bottom:12px;font-size:20px;
  border:1px solid rgba(239,68,68,.3)}
.card h3{font-family:var(--font-display);font-size:16px;font-weight:700;
  letter-spacing:-.2px;margin-bottom:6px}
.card p{font-size:13.5px;color:var(--text-dim);line-height:1.5}
.card .lang{position:absolute;top:14px;right:14px;font-family:var(--font-mono);
  font-size:10px;font-weight:600;color:var(--accent-soft);
  text-transform:uppercase;letter-spacing:1.2px}

/* Tables */
table{width:100%;border-collapse:collapse;background:var(--surface);
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
  backdrop-filter:blur(12px) saturate(160%)}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--border);
  font-size:13.5px;vertical-align:top}
th{font-size:11px;text-transform:uppercase;letter-spacing:.1em;
  color:var(--text-muted);font-weight:600;background:rgba(255,255,255,.02)}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(239,68,68,.03)}

/* Code blocks */
pre{background:#1a0d10;border:1px solid var(--border);border-radius:12px;
  padding:14px 16px;overflow-x:auto;margin:12px 0;
  font:13px/1.55 var(--font-mono);color:#e3e9f5}
pre .c{color:#6e7a92;font-style:italic}
pre .k{color:#fca5a5}
pre .s{color:#fbbf24}
code{font-family:var(--font-mono);font-size:0.93em;
  background:rgba(239,68,68,.1);color:var(--accent-soft);
  padding:1.5px 6px;border-radius:5px;border:1px solid rgba(239,68,68,.18)}
pre code{background:none;border:none;padding:0;color:inherit}

.badge{display:inline-block;padding:2px 8px;border-radius:999px;
  font-size:11px;font-weight:600;letter-spacing:.04em;
  background:rgba(239,68,68,.14);color:var(--accent-soft);
  border:1px solid rgba(239,68,68,.25)}
.badge.green{background:rgba(34,197,94,0.14);color:#86efac;border-color:rgba(34,197,94,.3)}
.badge.amber{background:rgba(245,158,11,0.14);color:#fcd34d;border-color:rgba(245,158,11,.3)}
.badge.red{background:rgba(239,68,68,0.14);color:#fca5a5;border-color:rgba(239,68,68,.3)}
.badge.mono{font-family:var(--font-mono);font-size:10.5px}

.kbd{font-family:var(--font-mono);font-size:11px;padding:2px 6px;
  border-radius:5px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);color:var(--text-dim)}

ul.feature-list{list-style:none;padding:0;margin:0}
ul.feature-list li{padding:12px 14px;background:var(--surface);
  border:1px solid var(--border);border-radius:12px;margin-bottom:10px;
  display:flex;gap:12px;align-items:flex-start}
ul.feature-list li .icon{color:var(--accent);flex:0 0 auto;font-weight:700}
ul.feature-list li strong{color:var(--text)}
ul.feature-list li .desc{color:var(--text-muted);font-size:13px;margin-top:2px}

/* Callouts */
.callout{background:linear-gradient(180deg,rgba(239,68,68,.1),rgba(239,68,68,.03));
  border:1px solid rgba(239,68,68,.25);border-radius:12px;padding:14px 16px;
  margin:14px 0;font-size:13.5px;color:var(--text-dim);line-height:1.55}
.callout strong{color:var(--text)}

/* FAQ */
details.faq{background:var(--surface);border:1px solid var(--border);
  border-radius:12px;margin-bottom:10px;overflow:hidden;
  backdrop-filter:blur(10px) saturate(160%)}
details.faq summary{padding:14px 18px;cursor:pointer;font-weight:600;
  list-style:none;color:var(--text);display:flex;gap:12px;align-items:center;
  font-size:14.5px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{content:"+";color:var(--accent);
  font-family:var(--font-mono);font-weight:700;font-size:18px;transition:transform .2s}
details.faq[open] summary::before{transform:rotate(45deg)}
details.faq summary:hover{background:rgba(255,255,255,.03)}
details.faq .body{padding:0 18px 16px;color:var(--text-dim);font-size:13.5px;
  line-height:1.6}
details.faq .body p{margin-bottom:10px}
details.faq .body p:last-child{margin-bottom:0}

/* Downloads list */
.download-card{display:flex;align-items:center;gap:16px;padding:16px 18px;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  margin-bottom:10px;transition:all .2s;text-decoration:none;color:var(--text);
  backdrop-filter:blur(10px) saturate(160%)}
.download-card:hover{border-color:rgba(239,68,68,.35);
  transform:translateY(-1px);text-decoration:none;
  box-shadow:0 8px 22px rgba(0,0,0,.3)}
.download-card .icon{width:44px;height:44px;border-radius:11px;
  background:linear-gradient(135deg,rgba(239,68,68,.28),rgba(249,115,22,.14));
  display:grid;place-items:center;font-size:22px;flex:0 0 auto;
  border:1px solid rgba(239,68,68,.3)}
.download-card .meta{flex:1;min-width:0}
.download-card .name{font-weight:700;font-size:14.5px;font-family:var(--font-display)}
.download-card .desc{color:var(--text-muted);font-size:12.5px;margin-top:2px}
.download-card .size{font-family:var(--font-mono);font-size:11.5px;
  color:var(--text-muted);flex:0 0 auto}
.download-card .arrow{color:var(--accent);font-size:18px;flex:0 0 auto}

footer.site-footer{margin:60px 0 20px;padding-top:24px;
  border-top:1px solid var(--border);color:var(--text-muted);font-size:12.5px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer.site-footer a{color:var(--text-dim)}

/* Anchor heading nav for docs */
.doc-toc{position:sticky;top:80px;max-height:calc(100vh - 120px);overflow-y:auto;
  padding:16px;background:var(--surface);border:1px solid var(--border);
  border-radius:12px;font-size:13px}
.doc-toc h4{font-size:11px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-muted);font-weight:600;margin-bottom:8px}
.doc-toc a{display:block;padding:4px 6px;border-radius:6px;
  color:var(--text-dim);margin-bottom:2px}
.doc-toc a:hover{background:rgba(239,68,68,.1);color:var(--text);
  text-decoration:none}
.doc-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start}
@media(max-width:900px){
  .doc-layout{grid-template-columns:1fr}
  .doc-toc{position:static;max-height:none}
}

/* ── Flow visualization: test → SDK → API → result → sinks ── */
.flow{position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:16px;padding:20px 18px;margin:18px 0 8px;overflow:hidden;
  backdrop-filter:blur(14px) saturate(180%);-webkit-backdrop-filter:blur(14px) saturate(180%)}
.flow::before{content:"";position:absolute;inset:-40%;
  background:radial-gradient(ellipse 40% 60% at 50% 50%,rgba(239,68,68,.15),transparent 70%);
  filter:blur(50px);pointer-events:none}
.flow-inner{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;
  align-items:stretch}
@media(max-width:780px){.flow-inner{grid-template-columns:repeat(2,1fr)}}
.flow-step{position:relative;background:rgba(18,11,13,.6);border:1px solid var(--border);
  border-radius:12px;padding:14px 12px;text-align:center;transition:all .3s;
  min-height:112px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.flow-step .flow-icon{font-size:22px;margin-bottom:4px}
.flow-step .flow-title{font-family:var(--font-display);font-weight:700;font-size:12.5px;
  letter-spacing:-.1px}
.flow-step .flow-desc{font-size:10.5px;color:var(--text-muted);line-height:1.35;margin-top:2px}
.flow-step .flow-num{position:absolute;top:-8px;left:-8px;width:22px;height:22px;
  border-radius:50%;background:linear-gradient(135deg,#dc2626,#f97316);color:#fff;
  display:grid;place-items:center;font-family:var(--font-mono);font-size:11px;font-weight:700;
  box-shadow:0 4px 10px rgba(239,68,68,.4)}
@keyframes flowPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,0),inset 0 0 0 1px var(--border)}
  50%{box-shadow:0 0 22px rgba(239,68,68,.35),inset 0 0 0 1px rgba(239,68,68,.5)}
}
.flow-step.live{animation:flowPulse 4s ease-in-out infinite}
.flow-step.live:nth-child(1){animation-delay:0s}
.flow-step.live:nth-child(2){animation-delay:.8s}
.flow-step.live:nth-child(3){animation-delay:1.6s}
.flow-step.live:nth-child(4){animation-delay:2.4s}
.flow-step.live:nth-child(5){animation-delay:3.2s}

.flow-pipe{position:relative;grid-column:1 / -1;height:22px;margin-top:-4px;pointer-events:none}
@media(max-width:780px){.flow-pipe{display:none}}
.flow-pipe::before{content:"";position:absolute;top:50%;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(239,68,68,.25),rgba(249,115,22,.4),rgba(239,68,68,.25));
  transform:translateY(-50%);border-radius:2px}
.flow-pipe::after{content:"";position:absolute;top:50%;left:6%;width:10px;height:10px;
  margin-top:-5px;border-radius:50%;background:#f97316;
  box-shadow:0 0 12px rgba(249,115,22,.8),0 0 22px rgba(239,68,68,.6);
  animation:flowTravel 4s linear infinite}
@keyframes flowTravel{
  0%{left:6%;opacity:.4}
  10%{opacity:1}
  90%{opacity:1}
  100%{left:94%;opacity:.2}
}

/* ── "Where to put checks" recommendation grid ── */
.when-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:780px){.when-grid{grid-template-columns:1fr}}
.when-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:14px 16px;position:relative;backdrop-filter:blur(10px) saturate(160%);
  transition:all .2s}
.when-card:hover{border-color:rgba(239,68,68,.3);box-shadow:0 6px 20px rgba(0,0,0,.22)}
.when-card .marker{width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,rgba(239,68,68,.3),rgba(249,115,22,.12));
  display:grid;place-items:center;font-weight:700;font-family:var(--font-display);
  color:var(--accent-soft);margin-bottom:8px;
  border:1px solid rgba(239,68,68,.3);font-size:13px}
.when-card h4{font-family:var(--font-display);font-size:14px;font-weight:700;
  letter-spacing:-.1px;margin-bottom:4px}
.when-card p{font-size:12.5px;color:var(--text-dim);line-height:1.5}
.when-card .example{margin-top:8px;font-family:var(--font-mono);font-size:11.5px;
  color:var(--accent-soft);background:rgba(239,68,68,.08);
  padding:5px 8px;border-radius:6px;border:1px solid rgba(239,68,68,.15)}

.crumbs{font-size:12px;color:var(--text-muted);margin-bottom:4px;margin-top:8px}
.crumbs a{color:var(--text-dim)}
.crumbs a:hover{color:var(--accent-soft)}
.crumbs .sep{margin:0 6px;color:var(--text-muted)}

.combo-hero{text-align:center;padding:28px 12px 18px}
.combo-chips{display:flex;justify-content:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.combo-chip{display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);
  color:var(--accent-soft);letter-spacing:.4px}
.combo-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

.action-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}

/* Matrix links (clickable cells) */
a.cell-link{display:inline-block;padding:2px 0;color:var(--accent-soft);font-weight:500}
a.cell-link:hover{text-decoration:underline}

pre .n{color:#fdba74}
pre .t{color:#fde047}

/* "Upgrade, don't rewrite" diff-style panel */
.upgrade-diff{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}
@media(max-width:780px){.upgrade-diff{grid-template-columns:1fr}}
.upgrade-diff > div{background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:14px 16px;backdrop-filter:blur(10px) saturate(160%)}
.upgrade-diff .h{font-size:11px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-muted);font-weight:700;margin-bottom:10px;display:flex;
  align-items:center;gap:8px}
.upgrade-diff .h .dot{width:8px;height:8px;border-radius:50%}
.upgrade-diff .before .dot{background:#64748b}
.upgrade-diff .after .dot{background:var(--accent)}
.upgrade-diff .after{border-color:rgba(239,68,68,.35)}
.upgrade-diff pre{margin:0;background:#180c10}

/* ── API-key CTA + modal ────────────────────────────────────────────── */
.topbar-cta.api{
  background:linear-gradient(180deg,rgba(239,68,68,.18),rgba(239,68,68,.06));
  border-color:rgba(239,68,68,.4);color:#fff1f1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 3px 10px rgba(239,68,68,.15);
  margin-right:6px}
.topbar-cta.api:hover{
  background:linear-gradient(180deg,rgba(239,68,68,.32),rgba(239,68,68,.1));
  border-color:rgba(239,68,68,.55);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 8px 22px rgba(239,68,68,.3);
  color:#fff1f1}
@media(max-width:720px){
  .topbar-cta.api .label-full{display:none}
  .topbar-cta.api::before{content:"🔑 ";font-size:13px}
}
.ak-backdrop{position:fixed;inset:0;background:rgba(6,4,4,.78);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.ak-backdrop.open{display:flex;animation:akFade .25s ease-out}
@keyframes akFade{from{opacity:0}to{opacity:1}}
body.ak-open{overflow:hidden}
.ak-modal{background:rgba(22,14,16,.97);border:1px solid rgba(239,68,68,.32);
  border-radius:18px;padding:28px 26px;max-width:460px;width:100%;
  position:relative;animation:akRise .3s cubic-bezier(.2,.8,.3,1);
  box-shadow:0 40px 100px rgba(0,0,0,.6),0 0 50px rgba(239,68,68,.18);
  max-height:calc(100vh - 40px);overflow-y:auto}
@keyframes akRise{from{opacity:0;transform:translateY(16px) scale(.97)}to{opacity:1;transform:none}}
.ak-close{position:absolute;top:10px;right:10px;background:transparent;border:none;
  color:var(--text-muted);font-size:22px;cursor:pointer;width:32px;height:32px;
  border-radius:8px;transition:all .15s;display:grid;place-items:center;line-height:1}
.ak-close:hover{background:rgba(255,255,255,.06);color:var(--text)}
.ak-eyebrow{font-size:10px;font-weight:700;color:var(--accent-soft);
  letter-spacing:1.4px;text-transform:uppercase;margin-bottom:6px}
.ak-modal h3{font-family:var(--font-display);font-size:22px;font-weight:700;
  letter-spacing:-.4px;margin-bottom:6px;line-height:1.15}
.ak-sub{font-size:13px;color:var(--text-dim);line-height:1.55;margin-bottom:12px}
.ak-sub code{font-size:11.5px}
.ak-form label{display:block;font-size:11px;font-weight:600;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.08em;margin:10px 0 4px}
.ak-form input{width:100%;padding:10px 12px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);border-radius:10px;color:var(--text);
  font:inherit;font-size:14px;transition:border-color .15s;-webkit-appearance:none;
  appearance:none}
.ak-form input:focus{outline:none;border-color:rgba(239,68,68,.55);
  background:rgba(255,255,255,.055)}
.ak-submit{width:100%;margin-top:16px;padding:12px 18px;border-radius:11px;
  border:1px solid rgba(239,68,68,.55);color:#fff1f1;
  background:linear-gradient(180deg,rgba(239,68,68,.32),rgba(239,68,68,.16));
  font:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:all .18s}
.ak-submit:hover:not(:disabled){transform:translateY(-1px);
  background:linear-gradient(180deg,rgba(239,68,68,.45),rgba(239,68,68,.2));
  box-shadow:0 8px 22px rgba(239,68,68,.3)}
.ak-submit:disabled{opacity:.65;cursor:not-allowed;transform:none;box-shadow:none}
.ak-status{margin-top:10px;font-size:12.5px;min-height:16px;line-height:1.4}
.ak-status.error{color:#f87171}
.ak-status.success{color:var(--accent-soft)}

/* ── Testers roster row ──
   Horizontally-scrolling strip of the 21 named AI testers, each with their
   avatar + first-name + domain chip. "Add these AI testers to your existing
   tests" CTA directly above. */
.roster{margin:28px 0}
.roster-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  margin-bottom:12px;flex-wrap:wrap}
.roster-head h2{margin:0}
.roster-head .sub{color:var(--text-muted);font-size:13px}
.roster-strip{display:flex;gap:10px;overflow-x:auto;padding:6px 2px 14px;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;scrollbar-color:rgba(239,68,68,.35) transparent}
.roster-strip::-webkit-scrollbar{height:6px}
.roster-strip::-webkit-scrollbar-thumb{background:rgba(239,68,68,.35);border-radius:3px}
.tester-chip{flex:0 0 auto;scroll-snap-align:start;
  display:flex;gap:10px;align-items:center;padding:8px 12px 8px 8px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  backdrop-filter:blur(10px) saturate(160%);
  -webkit-backdrop-filter:blur(10px) saturate(160%);
  transition:all .18s;text-decoration:none;color:var(--text);min-width:170px}
.tester-chip:hover{border-color:rgba(239,68,68,.4);
  box-shadow:0 6px 18px rgba(239,68,68,.18);transform:translateY(-1px);
  text-decoration:none;color:var(--text)}
.tester-avatar{width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  object-fit:cover;filter:grayscale(100%) contrast(1.02);
  border:1px solid rgba(239,68,68,.3);background:rgba(22,14,16,.4);
  transition:filter .25s}
.tester-chip:hover .tester-avatar{filter:grayscale(100%) contrast(1.05);
  border-color:rgba(239,68,68,.55)}
.tester-meta{display:flex;flex-direction:column;gap:1px;min-width:0}
.tester-name{font-family:var(--font-display);font-size:13.5px;font-weight:700;
  letter-spacing:-.1px;line-height:1.1}
.tester-role{font-size:11px;color:var(--text-muted);line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}
.roster-cta{display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:10px;font-size:12.5px;font-weight:700;
  background:linear-gradient(180deg,rgba(239,68,68,.22),rgba(239,68,68,.08));
  border:1px solid rgba(239,68,68,.4);color:#fff1f1;text-decoration:none;
  transition:all .15s}
.roster-cta:hover{background:linear-gradient(180deg,rgba(239,68,68,.35),rgba(239,68,68,.12));
  text-decoration:none;transform:translateY(-1px);color:#fff1f1;
  box-shadow:0 6px 18px rgba(239,68,68,.25)}

/* Tester images used inline in tables (docs "Covered by" column). Same
   greyscale treatment as the roster but in a compact chip. */
.covered-cell{line-height:1.9}
.covered-by{display:inline-flex;align-items:center;gap:6px;margin:2px 6px 2px 0;
  padding:2px 8px 2px 2px;border-radius:999px;
  background:rgba(22,14,16,.45);border:1px solid rgba(239,68,68,.18);
  color:var(--text-dim);font-size:12.5px;font-weight:600;text-decoration:none;
  transition:all .15s}
.covered-by:hover{color:var(--text);border-color:rgba(239,68,68,.4);
  background:rgba(22,14,16,.6);text-decoration:none}
.tester-avatar.sm{width:22px;height:22px}

/* Download matrix — language × framework grid with a button at each intersection. */
.dl-matrix-wrap{overflow-x:auto;margin-top:12px;border-radius:14px;
  border:1px solid var(--border);background:var(--surface);
  backdrop-filter:blur(12px) saturate(160%)}
.dl-matrix{width:100%;border-collapse:separate;border-spacing:0;
  background:transparent;border:none}
.dl-matrix th,.dl-matrix td{padding:12px 10px;text-align:center;
  border-bottom:1px solid var(--border);vertical-align:middle}
.dl-matrix thead th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-muted);font-weight:600;background:rgba(0,0,0,.18);
  position:sticky;top:0;z-index:2;white-space:nowrap}
.dl-matrix thead th .lbl{font-family:var(--font-sans);font-size:11.5px;margin-left:4px}
.dl-matrix th.row-hd{text-align:left;font-family:var(--font-display);
  font-size:13.5px;font-weight:700;color:var(--text);
  background:rgba(0,0,0,.22);text-transform:none;letter-spacing:0;
  position:sticky;left:0;z-index:1;min-width:180px;padding-left:14px;
  border-right:1px solid var(--border)}
.dl-matrix tr:last-child td,.dl-matrix tr:last-child th{border-bottom:none}
.dl-matrix tr:hover td{background:rgba(239,68,68,.04)}
.dl-matrix td.empty{color:var(--text-muted);opacity:.4;font-size:14px}
.dl-btn{display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border-radius:10px;font-weight:700;font-size:12.5px;
  text-decoration:none;
  background:linear-gradient(180deg,rgba(239,68,68,.28),rgba(239,68,68,.1));
  border:1px solid rgba(239,68,68,.45);color:#fff1f1;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 2px 8px rgba(239,68,68,.15);
  transition:all .15s;white-space:nowrap}
.dl-btn:hover{background:linear-gradient(180deg,rgba(239,68,68,.45),rgba(239,68,68,.16));
  transform:translateY(-1px);color:#fff1f1;text-decoration:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 6px 16px rgba(239,68,68,.3)}
.dl-btn .sz{font-family:var(--font-mono);font-size:11px;opacity:.85;font-weight:500}
.dl-guide{display:block;margin-top:4px;font-size:11px;color:var(--accent-soft);
  letter-spacing:.02em;text-decoration:none}
.dl-guide:hover{text-decoration:underline}

/* ── BETA badge + note ────────────────────────────────────────────── */
.beta-pill{display:inline-block;vertical-align:middle;margin-left:6px;
  padding:2px 7px;border-radius:999px;font:700 9.5px/1 var(--font-mono);
  letter-spacing:.08em;text-transform:uppercase;
  background:linear-gradient(180deg,rgba(239,68,68,.22),rgba(239,68,68,.08));
  border:1px solid rgba(239,68,68,.4);color:#fecaca;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
@media (max-width:420px){ .beta-pill{font-size:9px;padding:2px 6px} }

.beta-note{display:flex;gap:10px;align-items:flex-start;
  padding:10px 14px;margin:0 0 18px;border-radius:10px;font-size:12.5px;
  line-height:1.5;color:var(--text-dim);
  background:linear-gradient(180deg,rgba(239,68,68,.09),rgba(239,68,68,.03));
  border:1px solid rgba(239,68,68,.22)}
.beta-note strong{color:#fecaca;font-weight:700;letter-spacing:.02em}
.beta-note .bi{flex:0 0 auto;font-size:14px;line-height:1.2}

/* ── Tester profile modal ─── */
.tm-backdrop{position:fixed;inset:0;background:rgba(6,4,4,.8);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  z-index:200;display:none;align-items:center;justify-content:center;
  padding:20px;padding-top:calc(20px + env(safe-area-inset-top,0px));
  padding-bottom:calc(20px + env(safe-area-inset-bottom,0px))}
.tm-backdrop.open{display:flex;animation:akFade .25s ease-out}
body.tm-open{overflow:hidden}
.tm-modal{background:rgba(22,14,16,.97);border:1px solid rgba(239,68,68,.32);
  border-radius:18px;padding:24px 24px 20px;max-width:560px;width:100%;
  position:relative;animation:akRise .3s cubic-bezier(.2,.8,.3,1);
  box-shadow:0 40px 100px rgba(0,0,0,.6),0 0 60px rgba(239,68,68,.2);
  max-height:calc(100vh - 40px);overflow-y:auto;
  -webkit-overflow-scrolling:touch}
.tm-close{position:absolute;top:10px;right:10px;background:transparent;border:none;
  color:var(--text-muted);font-size:22px;cursor:pointer;width:36px;height:36px;
  border-radius:8px;transition:all .15s;display:grid;place-items:center;line-height:1}
.tm-close:hover{background:rgba(255,255,255,.06);color:var(--text)}
.tm-head{display:flex;gap:14px;align-items:center;padding-right:36px;
  margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.tm-avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;
  border:2px solid rgba(239,68,68,.4);
  filter:grayscale(100%) contrast(1.04);flex:0 0 auto;
  background:rgba(22,14,16,.4)}
.tm-eyebrow{font-size:10px;font-weight:700;color:var(--accent-soft);
  letter-spacing:1.4px;text-transform:uppercase;margin-bottom:4px}
.tm-modal h3{font-family:var(--font-display);font-size:24px;font-weight:700;
  letter-spacing:-.4px;margin:0;line-height:1.1}
.tm-role{color:var(--text-dim);font-size:13.5px;margin-top:3px}
.tm-row{display:flex;align-items:baseline;gap:10px;padding:10px 0;
  border-bottom:1px solid var(--border);font-size:13.5px;flex-wrap:wrap}
.tm-row:last-child{border-bottom:none}
.tm-row.block{flex-direction:column;align-items:flex-start;gap:8px}
.tm-lbl{font-size:11px;color:var(--text-muted);font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;min-width:120px}
.tm-tags{display:flex;flex-wrap:wrap;gap:6px}
.tm-tag{display:inline-block;padding:3px 9px;border-radius:999px;
  font-size:11.5px;font-weight:600;
  background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.25);
  color:var(--accent-soft)}
.tm-code{margin:0;background:#180c10;border:1px solid var(--border);
  border-radius:10px;padding:12px 14px;font:12px/1.5 var(--font-mono);
  color:#e3d9db;overflow-x:auto;width:100%;white-space:pre}

.tester-chip{cursor:pointer}
.covered-by{cursor:pointer}

/* ── Mobile / iPhone tuning ────────────────────────────────────────── */
@media (max-width: 640px) {
  .page{padding:0 14px 40px}
  .page-header{padding:22px 8px 14px}
  .page-header h1{font-size:clamp(24px,8vw,34px);letter-spacing:-.8px}
  .page-header .lede{font-size:14px;line-height:1.55}
  .hero-stats{gap:16px 22px}
  .hero-stat-value{font-size:22px}

  /* Topbar: tighter, show only brand + CTAs; nav links on hamburger-free */
  .topbar{padding:10px 12px;gap:6px;border-radius:0 0 14px 14px;flex-wrap:wrap}
  .topbar .brand span:last-child{font-size:13px}
  .topbar-link{padding:5px 8px;font-size:12px}
  .topbar-cta{padding:6px 10px;font-size:11.5px}

  /* Give the grids more room */
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}

  /* Upgrade diff stacks */
  .upgrade-diff{grid-template-columns:1fr}

  /* Flow viz stacks to 1-column, hide the travelling pipe */
  .flow-inner{grid-template-columns:1fr}
  .flow-pipe{display:none}
  .flow-step{min-height:86px;padding:12px 10px}

  /* "Where to put checks" stacks */
  .when-grid{grid-template-columns:1fr}

  /* Downloads matrix becomes swipable; row-header stays sticky on left */
  .dl-matrix-wrap{margin-left:-4px;margin-right:-4px}
  .dl-matrix th,.dl-matrix td{padding:9px 8px;font-size:12.5px}
  .dl-matrix th.row-hd{min-width:135px;padding-left:10px;font-size:12.5px}
  .dl-matrix thead th .lbl{display:none}
  .dl-btn{padding:6px 9px;font-size:12px}
  .dl-btn .sz{display:none}  /* size is in hover title anyway */

  /* Tables scroll instead of squish */
  .covered-cell{line-height:1.8}
  table{font-size:12.5px}
  th,td{padding:9px 10px}

  /* Roster strip — tighter chips */
  .roster-head{gap:8px}
  .roster-head h2{font-size:18px}
  .tester-chip{min-width:150px;padding:6px 10px 6px 6px}
  .tester-avatar{width:30px;height:30px}
  .tester-name{font-size:12.5px}
  .tester-role{font-size:10.5px;max-width:110px}
  .roster-cta{padding:5px 10px;font-size:11.5px}

  /* API-key modal + tester modal */
  .ak-modal,.tm-modal{padding:20px 18px 18px;border-radius:14px;
    max-height:calc(100vh - 32px)}
  .tm-head{gap:10px}
  .tm-avatar{width:56px;height:56px}
  .tm-modal h3{font-size:20px}
  .tm-row{padding:8px 0;font-size:13px}
  .tm-lbl{min-width:0;display:block;width:100%}

  /* Docs layout becomes single column */
  .doc-layout{grid-template-columns:1fr}
  .doc-toc{position:static;max-height:none;margin-bottom:12px}

  /* Code blocks stay readable */
  pre{font-size:12px;padding:12px 14px;border-radius:10px}

  /* Long URLs break instead of overflow */
  code{word-break:break-word}

  /* Footer wraps cleanly */
  footer.site-footer{flex-direction:column;gap:6px}

  /* Respect iPhone safe-area insets */
  body{
    padding-left:env(safe-area-inset-left);
    padding-right:env(safe-area-inset-right);
  }
}
@media (max-width: 420px) {
  /* iPhone-mini / SE specific tightening */
  .topbar-link{display:none}  /* let CTAs do the work; docs still reachable via footer */
  .topbar-cta.api .label-full{display:none}
  .topbar-cta.api::before{content:"🔑"}
  .combo-chip{font-size:11px;padding:5px 10px}
  .page-header h1{font-size:26px}
  .hero-cta .btn{width:100%;justify-content:center}
}

/* ── Persona feedback cards (index.html dedicated section) ─────────── */
.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
@media(max-width:780px){.persona-grid{grid-template-columns:1fr}}
.persona-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:16px 18px;backdrop-filter:blur(12px) saturate(160%);
  transition:all .2s;display:flex;flex-direction:column;gap:12px}
.persona-card:hover{border-color:rgba(239,68,68,.3);transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(0,0,0,.3)}
.persona-head{display:flex;gap:12px;align-items:center}
.persona-avatar{width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  object-fit:cover;
  background:linear-gradient(135deg,rgba(239,68,68,.32),rgba(249,115,22,.18));
  display:grid;place-items:center;font-family:var(--font-display);
  font-weight:700;font-size:16px;color:#fff;
  border:1px solid rgba(239,68,68,.3);
  filter:grayscale(100%) contrast(1.04)}
.persona-name{font-family:var(--font-display);font-weight:700;font-size:14.5px;
  letter-spacing:-.1px}
.persona-age{color:var(--text-muted);font-weight:500;margin-left:4px;font-size:12.5px}
.persona-bg{font-size:12px;color:var(--text-muted);line-height:1.4;margin-top:2px}
.persona-ratings{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 10px;
  padding:10px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
@media(max-width:780px){.persona-ratings{grid-template-columns:repeat(3,1fr)}}
.persona-ratings .r{display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:var(--text-dim)}
.persona-ratings .lbl{text-transform:uppercase;letter-spacing:.06em;font-weight:600;
  color:var(--text-muted);font-size:10.5px}
.persona-ratings .val{font-family:var(--font-mono);font-weight:700;font-size:13px;
  padding:1px 7px;border-radius:6px}
.persona-ratings .val.s9,.persona-ratings .val.s8{background:rgba(34,197,94,.16);color:#86efac;border:1px solid rgba(34,197,94,.3)}
.persona-ratings .val.s7,.persona-ratings .val.s6{background:rgba(245,158,11,.14);color:#fcd34d;border:1px solid rgba(245,158,11,.3)}
.persona-ratings .val.s5,.persona-ratings .val.s4{background:rgba(249,115,22,.16);color:#fdba74;border:1px solid rgba(249,115,22,.32)}
.persona-ratings .val.s3,.persona-ratings .val.s2,.persona-ratings .val.s1{background:rgba(239,68,68,.18);color:#fca5a5;border:1px solid rgba(239,68,68,.4)}
.persona-quote{font-style:italic;font-size:13px;color:var(--text-dim);line-height:1.55;
  border-left:2px solid rgba(239,68,68,.32);padding-left:10px;margin:0}

/* ── AI badge — applied to every profile chip / card so it's clear these
   are AI agents, not real people ─────────────────────────────────── */
.ai-badge{display:inline-flex;align-items:center;justify-content:center;
  font:700 8.5px/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;
  padding:2px 5px;border-radius:4px;
  background:linear-gradient(180deg,rgba(168,85,247,.25),rgba(168,85,247,.1));
  border:1px solid rgba(168,85,247,.45);color:#e9d5ff;
  vertical-align:middle;margin-left:5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.15)}
.ai-badge.lg{font-size:9.5px;padding:3px 7px;letter-spacing:.12em}
.ai-badge.tag-only{background:linear-gradient(180deg,rgba(168,85,247,.18),rgba(168,85,247,.06));
  color:#d8b4fe;border-color:rgba(168,85,247,.3)}

/* Mark the avatar itself as AI with a tiny dot in the corner */
.tester-chip,.covered-by,.persona-card{position:relative}
.tester-chip .ai-dot,.covered-by .ai-dot,.persona-card .ai-dot{
  position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;
  background:linear-gradient(135deg,#a855f7,#ec4899);
  border:2px solid var(--bg);
  display:inline-grid;place-items:center;
  font:800 8px/1 var(--font-sans);color:#fff;letter-spacing:0;
  box-shadow:0 2px 6px rgba(168,85,247,.5)}
.persona-card .ai-dot{top:14px;right:14px;width:18px;height:18px;font-size:9.5px}