/* ============================================================
   JYnapse Knowledge Base — cheat-sheet stylesheet
   Shared by every kb/*-cheatsheet.html. Screen + print (PDF).
   Palette matches the JYnapse editorial articles.
   ============================================================ */
:root{
  --paper:#F8F7F4;
  --card:#FFFFFF;
  --ink:#16181C;
  --ink-mute:#585D63;
  --ink-faint:#8A8F95;
  --rule:#E4E0D8;
  --rule-hard:#16181C;
  --house:#0F3D3E;
  --house-soft:#2F6F4E;
  --gold:#B07A15;
  --accent:#A33A2A;
  --tint:#EDEDE7;
  --code-bg:#12312F;
  --code-ink:#EAF3EF;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;
  --sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"SF Mono","JetBrains Mono","Cascadia Code","Fira Code",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:14px;line-height:1.5;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:1180px;margin:0 auto;padding:42px 34px 72px}

/* ---------- masthead ---------- */
.cs-head{border-top:3px solid var(--house);padding-top:20px;margin-bottom:26px}
.cs-eyebrow{
  font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--house);margin:0 0 12px;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center
}
.cs-eyebrow .dot{color:var(--ink-faint);font-weight:400}
.cs-eyebrow .free{
  background:var(--house);color:#fff;border-radius:999px;padding:3px 10px;
  font-size:9.5px;letter-spacing:.12em
}
.cs-head h1{
  font-family:var(--serif);font-weight:600;letter-spacing:-.01em;
  font-size:clamp(30px,4.6vw,44px);line-height:1.05;margin:0 0 10px
}
.cs-head h1 em{font-style:italic;font-weight:400;color:var(--house)}
.cs-sub{font-size:16.5px;line-height:1.5;color:var(--ink-mute);max-width:60ch;margin:0 0 18px}
.cs-meta{
  display:flex;flex-wrap:wrap;gap:8px 10px;border-top:1px solid var(--rule);padding-top:16px
}
.cs-meta .pill{
  font-size:11px;color:var(--ink-mute);background:var(--tint);
  border:1px solid var(--rule);border-radius:999px;padding:5px 12px
}
.cs-meta .pill b{color:var(--ink);font-weight:600}
.cs-print{
  margin-left:auto;font-family:var(--sans);font-size:11.5px;font-weight:600;
  color:#fff;background:var(--house);border:0;border-radius:999px;
  padding:8px 16px;cursor:pointer;letter-spacing:.02em
}
.cs-print:hover{background:var(--house-soft)}

/* ---------- card grid ---------- */
.grid{
  column-count:3;column-gap:22px;
}
@media (max-width:1040px){.grid{column-count:2}}
@media (max-width:680px){.grid{column-count:1}}
.card{
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  background:var(--card);border:1px solid var(--rule);border-radius:8px;
  padding:16px 17px 15px;margin:0 0 22px;
  box-shadow:0 1px 0 rgba(20,24,28,.03)
}
.card.span{break-inside:avoid}
.card h2{
  font-family:var(--sans);font-size:12px;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--house);margin:0 0 12px;
  padding-bottom:8px;border-bottom:1.5px solid var(--house);
  display:flex;align-items:center;gap:8px
}
.card h2 .ix{
  width:20px;height:20px;flex:0 0 20px;border-radius:5px;background:var(--house);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700
}
.card h3{
  font-size:11.5px;font-weight:700;letter-spacing:.02em;color:var(--ink);
  margin:14px 0 6px;text-transform:none
}
.card h3:first-of-type{margin-top:0}
.card p{margin:0 0 9px;color:var(--ink-mute);font-size:12.5px;line-height:1.5}
.card p.tip{
  color:var(--house);background:#EEF4F1;border-left:2px solid var(--house);
  padding:7px 10px;border-radius:0 4px 4px 0;margin:10px 0 4px;font-size:11.5px
}
.card p.warn{
  color:var(--accent);background:#FBF0EE;border-left:2px solid var(--accent);
  padding:7px 10px;border-radius:0 4px 4px 0;margin:10px 0 4px;font-size:11.5px
}
.card ul{margin:0 0 9px;padding-left:17px}
.card li{margin:0 0 5px;font-size:12.5px;line-height:1.45}

/* ---------- code ---------- */
code{
  font-family:var(--mono);font-size:12px;background:var(--tint);
  border:1px solid var(--rule);border-radius:4px;padding:1px 5px;color:#0B2E2C
}
pre{
  font-family:var(--mono);font-size:11.6px;line-height:1.55;
  background:var(--code-bg);color:var(--code-ink);
  border-radius:6px;padding:11px 13px;margin:0 0 11px;overflow-x:auto;
  -webkit-column-break-inside:avoid;break-inside:avoid
}
pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
pre .c{color:#7FB7A6;font-style:italic}   /* comment */
pre .k{color:#E6C07B}                        /* keyword  */
pre .s{color:#9FD3B8}                        /* string   */
pre .f{color:#8FC8FF}                        /* function */
pre .n{color:#E88B7D}                        /* number/literal */

/* ---------- key/value + reference tables ---------- */
table.kv{width:100%;border-collapse:collapse;margin:0 0 10px;font-size:12px}
table.kv th{
  text-align:left;font-size:9.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-mute);border-bottom:1.5px solid var(--ink);padding:0 8px 5px 0
}
table.kv td{
  padding:6px 8px 6px 0;border-bottom:1px solid var(--rule);vertical-align:top;line-height:1.4
}
table.kv td:first-child{white-space:nowrap;color:var(--house);font-family:var(--mono);font-size:11.5px}
table.kv tr:last-child td{border-bottom:0}
.muted{color:var(--ink-faint);font-size:11px}

/* ---------- footer ---------- */
.cs-foot{
  margin-top:20px;border-top:1.5px solid var(--rule-hard);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:18px 30px;align-items:flex-start;justify-content:space-between
}
.cs-foot .who{max-width:46ch}
.cs-foot .who b{color:var(--ink)}
.cs-foot .who p{margin:4px 0 0;color:var(--ink-mute);font-size:12px;line-height:1.5}
.cs-foot .cta{
  font-family:var(--sans);font-size:12.5px;font-weight:600;color:#fff;background:var(--house);
  border-radius:999px;padding:10px 20px;text-decoration:none;white-space:nowrap
}
.cs-foot .cta:hover{background:var(--house-soft)}
.cs-foot .back{font-size:11.5px;color:var(--house);text-decoration:none}
.cs-legal{margin-top:16px;font-size:10.5px;color:var(--ink-faint);line-height:1.5}

/* ---------- print / PDF ---------- */
@media print{
  @page{margin:14mm}
  body{background:#fff;font-size:10.5px}
  .wrap{max-width:none;padding:0}
  .cs-print,.cs-foot .cta{display:none !important}
  .grid{column-count:3;column-gap:12px}
  .card{border:1px solid #ccc;box-shadow:none;margin-bottom:12px;padding:10px 11px}
  pre{background:#f3f3f0;color:#16181C;border:1px solid #ddd}
  pre .c{color:#6a8f82}pre .k{color:#9a6b00}pre .s{color:#2f6f4e}pre .f{color:#245}pre .n{color:#a33a2a}
  code{background:#f0efe9}
  .cs-head{break-after:avoid}
  a{color:inherit;text-decoration:none}
}