/* =============================================================================
   CAM Analysis — Shared Design System (IMPROVED)
   Warm paper + glass morphism + Libre Baskerville (matching backyes style)
   ========================================================================== */
:root {
  --paper: #f6f3ec;
  --paper-light: #fcfaf6;
  --surface: rgba(255,255,255,0.86);
  --surface-strong: #ffffff;
  --line: rgba(17,17,17,0.12);
  --ink: #111111;
  --ink-soft: #4d4d4d;
  --ink-mute: #6a6a6a;
  --green: #0f5d44;
  --green-deep: #0a3f30;
  --green-soft: rgba(15,93,68,0.10);
  --green-line: rgba(15,93,68,0.25);
  --gold: #bf8b2c;
  --gold-soft: rgba(191,139,44,0.14);
  --blue: #163e7a;
  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans: 'Manrope', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --shadow: 0 24px 60px rgba(17,17,17,0.10);
  --shadow-sm: 0 2px 8px rgba(17,17,17,0.06);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content-width: 1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;line-height:1.7;
  color:var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15,93,68,0.10), transparent 30%),
    radial-gradient(circle at top right, rgba(191,139,44,0.12), transparent 25%),
    linear-gradient(180deg, #fcfaf6 0%, var(--paper) 42%, #ffffff 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.02em}
.page-shell{max-width:var(--content-width);margin:0 auto;padding:16px 20px 56px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}
.brand{display:flex;flex-direction:column;gap:6px}
.brand-name{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:1.7rem;font-weight:700;letter-spacing:-.03em}
.brand-tagline{font-size:.95rem;color:var(--ink-soft)}
.topnav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}
.topnav a{padding:10px 14px;border:1px solid var(--line);border-radius:999px;font-size:.92rem;color:var(--ink-soft);background:rgba(255,255,255,.55);transition:transform .2s,border-color .2s,color .2s}
.topnav a:hover{color:var(--ink);border-color:rgba(17,17,17,.3);transform:translateY(-1px)}
.topnav a.nav-accent{color:#fff;background:linear-gradient(135deg,var(--blue) 0%,var(--green) 100%);border-color:transparent;box-shadow:0 12px 26px rgba(22,62,122,.18)}
.article-layout{display:flex;gap:32px;max-width:1160px;margin:0 auto;padding:0 32px}
/* ── IMPROVED TOC SIDEBAR ── */
.toc-sidebar{flex:0 0 240px;position:sticky;top:24px;align-self:flex-start;padding:40px 0;max-height:100vh;overflow-y:auto}
.toc{font-size:.85rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 16px;box-shadow:var(--shadow-sm)}
.toc-title{font-weight:700;color:var(--green-deep);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;font-size:.78rem;display:flex;align-items:center;gap:6px}
.toc-title::before{content:"";display:inline-block;width:3px;height:14px;background:var(--green);border-radius:2px}
.toc ul{list-style:none;padding:0;margin:0;border-left:2px solid var(--green-line)}
.toc li{margin:0}
.toc a{display:block;padding:5px 0 5px 14px;color:var(--ink-soft);text-decoration:none;border-left:2px solid transparent;margin-left:-2px;transition:all .15s;font-weight:400}
.toc a:hover{color:var(--green-deep);border-left-color:var(--green);background:var(--green-soft);border-radius:0 4px 4px 0}
.toc a.toc-h2{font-weight:600;color:var(--ink)}
.toc a.toc-h3{font-size:.80rem;padding-left:24px;color:var(--ink-mute)}
.toc a.toc-h3:hover{color:var(--green-deep)}
.article{flex:1;max-width:960px;padding:40px 0 80px;min-width:0}
.article h1{font-family:var(--font-serif);font-size:2rem;font-weight:700;margin:0 0 8px}
.article .meta{color:var(--ink-mute);font-size:.85rem;margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.article .meta .ptag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:.78rem;font-weight:600;background:var(--green-soft);color:var(--green)}
.article-body{font-family:var(--font-serif);font-size:1.1rem;line-height:1.85;color:var(--ink)}
.article-body h2{font-size:1.5rem;font-weight:700;margin:2em 0 .6em;padding-bottom:.4em;border-bottom:2px solid var(--green);color:var(--ink)}
.article-body h3{font-size:1.25rem;font-weight:600;margin:1.5em 0 .5em;padding-left:10px;border-left:3px solid var(--green);color:var(--ink)}
.article-body h4{font-size:1.1rem;font-weight:600;margin:1.2em 0 .4em;color:var(--green)}
.article-body p{margin:0 0 1.2em}
.article-body strong{color:var(--ink);font-weight:600}
.article-body mark{background:linear-gradient(180deg,transparent 60%,var(--gold-soft) 60%);padding:0 3px;color:var(--ink);font-weight:600}
.article-body .key-callout{border-left:4px solid var(--green);background:var(--green-soft);padding:14px 20px;margin:1.5em 0;border-radius:0 8px 8px 0}
.article-body .key-callout p{margin:0 0 .5em}
.article-body .key-callout p:last-child{margin:0}
.article-body .key-num{color:var(--blue);font-weight:700;font-size:1.1em}
.article-body .hl-blue{background:rgba(22,62,122,.06);border-left:3px solid var(--blue);padding:10px 16px;margin:1.2em 0;border-radius:0 6px 6px 0}
.article-body .hl-amber{background:var(--gold-soft);border-left:3px solid var(--gold);padding:10px 16px;margin:1.2em 0;border-radius:0 6px 6px 0}
.article-body .hl-green{background:var(--green-soft);border-left:3px solid var(--green);padding:10px 16px;margin:1.2em 0;border-radius:0 6px 6px 0}
.article-body .hl-blue p,.article-body .hl-amber p,.article-body .hl-green p{margin:0}
/* ── IMPROVED TABLES ── */
.article-body table{border-collapse:separate;border-spacing:0;width:100%;margin:1.5em 0;font-size:.88em;display:block;overflow-x:auto;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow-sm)}
.article-body th{background:rgba(15,93,68,.05);font-weight:600;padding:10px 12px;border-bottom:2px solid rgba(15,93,68,.2);text-align:left;font-size:.85em;text-transform:uppercase;letter-spacing:.03em;color:var(--ink)}
.article-body td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.5}
.article-body tr:last-child td{border-bottom:none}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.5)}
.article-body tr:hover td{background:rgba(15,93,68,.04)}
.article-body thead th{position:sticky;top:0}
.article-body blockquote{border-left:4px solid var(--green);background:var(--green-soft);padding:10px 16px;margin:1.2em 0;border-radius:0 6px 6px 0}
.article-body blockquote p{margin:0}
/* ── IMPROVED CODE BLOCKS ── */
.article-body code{background:rgba(255,255,255,.8);border:1px solid var(--line);padding:1px 5px;border-radius:4px;font-size:.85em;font-family:var(--font-mono)}
.article-body pre code{background:none;border:none;padding:0;border-radius:0}
.article-body pre{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin:1.5em 0;overflow-x:auto;box-shadow:var(--shadow-sm);position:relative}
.article-body pre code{font-size:.82em;line-height:1.6;font-family:var(--font-mono);white-space:pre;word-wrap:normal;overflow-wrap:normal}
/* ── EMOJI / ICON SIZING ── */
.article-body h2 img,.article-body h3 img,.article-body p img{max-height:1.2em;width:auto;vertical-align:middle;display:inline-block}
.emoji{height:1.2em;width:1.2em;vertical-align:middle;display:inline-block}
/* ── LISTS ── */
.article-body a{color:var(--blue);text-decoration:none}
.article-body a:hover{text-decoration:underline}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.2em}
.article-body li{margin-bottom:.4em;line-height:1.7}
.back{display:inline-block;margin-bottom:28px;color:var(--blue);font-size:.9rem}
/* ── SECTION DIVIDER ── */
.section-divider{display:flex;align-items:center;gap:16px;margin:40px 0 20px;color:var(--ink-mute);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.section-divider::before,.section-divider::after{content:"";flex:1;height:1px;background:var(--line)}
/* ── RESPONSIVE ── */
@media(max-width:720px){
  .article-layout{padding:0 16px;flex-direction:column}
  .toc-sidebar{flex:none;position:static;max-height:none;width:100%;order:2}
  .article{order:1;padding:24px 0 60px;max-width:100%}
  .article-body h2{font-size:1.3rem}
  .article-body h3{font-size:1.1rem}
  .article-body table{font-size:.8rem}
  .article-body th,.article-body td{padding:6px 8px}
  .toc{border-radius:8px;padding:14px 12px}
}