/* Shared editorial stylesheet for the agentic-AI research posts.
   Lifted from the site's existing blog template (light / green) + a few report utilities.
   Matches blog/agent-no-undo et al. */
:root{
  --bg:#fbfbfa; --card:#ffffff; --card-soft:#f6f7f6;
  --ink:#16181c; --muted:#545860; --faint:#6f7480; --line:#e7e7e3;
  --accent:#2f6f5e; --accent-2:#3f8d76; --accent-soft:#ecf3f1; --accent-ink:#1f4d41;
  --amber-ink:#8a5f00; --amber-bg:#fdf3df; --amber-line:#f0dcad;
  --rose-ink:#9f3a46; --rose-bg:#fdeef0; --rose-line:#f3cdd3;
  --violet-ink:#5b4baf; --violet-bg:#f1eefc; --violet-line:#ddd5f5;
  --maxw:760px; --nav-h:62px; --r-lg:20px; --r-md:14px;
  --shadow-sm:0 1px 2px rgba(20,24,28,.04),0 2px 8px rgba(20,24,28,.04);
  --shadow-md:0 2px 6px rgba(20,24,28,.05),0 10px 30px rgba(20,24,28,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 520px at 12% -8%,var(--accent-soft) 0%,transparent 60%),
    radial-gradient(800px 480px at 92% 4%,#eef1f0 0%,transparent 55%),var(--bg);
  background-attachment:fixed;line-height:1.7;font-size:17.5px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.001ms!important}}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(251,251,250,.82);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);height:var(--nav-h)}
.nav-inner{max-width:1080px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:700}
.brand:hover{text-decoration:none}
.mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.3px}
.nav-back{color:var(--muted);font-weight:600;font-size:14.5px}
.nav-back:hover{color:var(--accent);text-decoration:none}

/* article shell */
.article-wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.post-header{padding:56px 0 8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent-ink);background:var(--accent-soft);border:1px solid #d7e7e1;padding:6px 12px;border-radius:999px}
h1.post-title{font-size:clamp(2rem,5.5vw,3rem);line-height:1.12;letter-spacing:-.02em;margin:20px 0 14px;font-weight:800}
.post-dek{font-size:clamp(1.12rem,2.6vw,1.32rem);color:var(--muted);font-weight:500;line-height:1.5}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:24px;padding-bottom:26px;
  border-bottom:1px solid var(--line);color:var(--faint);font-size:14.5px}
.post-meta .byline{color:var(--ink);font-weight:600}
.post-meta .dot{color:var(--line)}
.share{margin-left:auto;display:flex;gap:8px}
.share a{font-size:13px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 13px;background:var(--card)}
.share a:hover{color:var(--accent);border-color:var(--accent-2);text-decoration:none}

/* body */
article{padding:38px 0 12px}
article>p{margin:0 0 22px}
article h2{font-size:clamp(1.5rem,3.6vw,1.95rem);letter-spacing:-.015em;line-height:1.2;margin:48px 0 16px;font-weight:800}
article h2 .num{color:var(--accent-2);font-weight:800;margin-right:.4em}
article h3{font-size:1.18rem;margin:30px 0 10px;font-weight:700}
article strong{font-weight:700;color:var(--ink)}
article em{font-style:italic}
article a{font-weight:600;border-bottom:1px solid #cfe2db}
article a:hover{text-decoration:none;border-bottom-color:var(--accent)}
.lede::first-letter{float:left;font-size:3.6rem;line-height:.82;font-weight:800;color:var(--accent);padding:6px 12px 0 0}
ul.clean{margin:0 0 22px;padding-left:1.25em}
ul.clean li{margin:0 0 9px}

/* tables */
.table-card{margin:28px 0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--card)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:15px}
table caption{caption-side:top;text-align:left;font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--faint);padding:14px 18px 0}
thead th{background:var(--card-soft);color:var(--accent-ink);font-weight:700;font-size:13.5px;text-align:left;padding:13px 18px;border-bottom:2px solid #dfe7e4;white-space:nowrap}
tbody td{padding:12px 18px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:nth-child(even) td{background:#fafbfb}
.catalog td:first-child{font-weight:700;color:var(--ink);width:24%}
.catalog .evidence{color:var(--accent-ink);font-weight:600}

/* overview "short version" */
.overview{margin:34px 0 8px;padding:24px 26px;border:1px solid #d7e7e1;border-radius:var(--r-lg);background:var(--accent-soft);box-shadow:var(--shadow-sm)}
.overview .ov-label{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:12px}
.overview p{margin:0 0 14px;font-size:16.5px}
.overview ul{margin:0;padding-left:0;list-style:none}
.overview li{position:relative;padding-left:30px;margin:0 0 10px;font-size:16px;line-height:1.55}
.overview li:last-child{margin-bottom:0}
.overview li .k{position:absolute;left:0;top:1px;width:21px;height:21px;border-radius:7px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}

/* details */
details.deeper{margin:20px 0;border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);box-shadow:var(--shadow-sm);overflow:hidden}
details.deeper>summary{cursor:pointer;list-style:none;padding:13px 18px;font-weight:700;font-size:14.5px;color:var(--accent-ink);background:var(--card-soft);display:flex;align-items:center;gap:10px;user-select:none}
details.deeper>summary::-webkit-details-marker{display:none}
details.deeper>summary .chev{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-size:12px;transition:transform .18s ease}
details.deeper[open]>summary .chev{transform:rotate(90deg)}
details.deeper>summary:hover{background:#eef3f1}
details.deeper .deeper-body{padding:16px 18px 6px}
details.deeper .deeper-body p{margin:0 0 14px;font-size:16px}

/* callouts */
.callout{margin:28px 0;padding:18px 22px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm)}
.callout.accent{border-left:4px solid var(--accent);background:var(--accent-soft)}
.callout.amber{border-left:4px solid #d8a418;background:var(--amber-bg);border-color:var(--amber-line)}
.callout h3{margin:0 0 6px;font-size:1.05rem}
.callout p{margin:0}
.callout.amber strong{color:var(--amber-ink)}

/* takeaway */
.takeaway{margin:40px 0 8px;padding:30px 28px;border-radius:var(--r-lg);background:linear-gradient(135deg,#1f4d41,#2f6f5e);color:#eafaf4;box-shadow:var(--shadow-md)}
.takeaway h2{color:#fff;margin:0 0 12px}
.takeaway p{margin:0 0 14px;color:#d9f0e8}
.takeaway p:last-child{margin:0}
.takeaway strong{color:#fff}

/* sources + foot */
.sources{margin:44px 0 0;padding:24px 0 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.sources h3{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.sources a{color:var(--accent);font-weight:600}
.post-foot{margin-top:46px;padding:30px 0 60px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.author-chip{display:flex;align-items:center;gap:13px}
.author-chip .mark{width:44px;height:44px;font-size:16px;border-radius:12px}
.author-chip .who strong{display:block;font-size:15px}
.author-chip .who span{font-size:13.5px;color:var(--faint)}
.foot-links{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.foot-links a{font-size:13px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:var(--card)}
.foot-links a:hover{color:var(--accent);border-color:var(--accent-2);text-decoration:none}

/* ---- report utilities (additions) ---- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:30px 0}
.stat{border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);padding:16px 16px;box-shadow:var(--shadow-sm)}
.stat .n{font-size:1.7rem;font-weight:800;letter-spacing:-.01em;color:var(--accent-ink);font-variant-numeric:tabular-nums}
.stat.warn .n{color:var(--amber-ink)} .stat.bad .n{color:var(--rose-ink)}
.stat .l{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.4}
@media (max-width:600px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
.tag{font-size:10.5px;font-weight:700;padding:1px 6px;border-radius:5px;letter-spacing:.02em;white-space:nowrap;border:1px solid;vertical-align:middle}
.tag.v{color:var(--accent-ink);background:var(--accent-soft);border-color:#cfe2db}
.tag.vc{color:var(--amber-ink);background:var(--amber-bg);border-color:var(--amber-line)}
.tag.d{color:var(--rose-ink);background:var(--rose-bg);border-color:var(--rose-line)}
.tag.f{color:var(--violet-ink);background:var(--violet-bg);border-color:var(--violet-line)}
.fig{margin:30px 0;border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);box-shadow:var(--shadow-sm);padding:20px 22px}
.fig .cap{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:12px}
.fig svg{display:block;width:100%;height:auto;overflow:visible}
.bars{margin:6px 0}
.bar{display:grid;grid-template-columns:140px 1fr 52px;align-items:center;gap:12px;margin:9px 0;font-size:13.5px}
.bar .nm{color:var(--ink)}
.bar .tk{height:11px;background:var(--card-soft);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.bar .fl{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.bar .fl.amber{background:linear-gradient(90deg,#d8a418,#e3b94a)}
.bar .fl.rose{background:linear-gradient(90deg,#b14a56,#cf6b76)}
.bar .pc{text-align:right;font-variant-numeric:tabular-nums;color:var(--accent-ink);font-weight:700}
.tag-legend{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted);margin:8px 0 0}