/* Articles (/blog/) and tools (/tools/). Tokens are index.html's, copied so
   these pages look like the home page; change them in both places. */
:root{
  color-scheme:light;
  --paper:#F4F5F7; --card:#FFFFFF; --ink:#14161C; --ink-2:#5A6070; --ink-3:#8B92A3;
  --line:#E3E6EC; --sunk:#EDEFF3;
  --acc:#B07908; --acc-soft:#FBF2DE; --acc-ink:#FFFFFF;
  --good:#1B7F5A; --good-bg:#E6F4EE; --bad:#B4342B;
  --dawn-1:#2A2140; --dawn-2:#7A3F5D; --dawn-3:#C4713F;
  --shopee:#EE4D2D; --lazada:#2A78D6; --tiktok:#A02182;
  --r:12px;
  --f-xs:12.5px; --f-sm:13.5px; --f-cap:14.5px; --f-md:15px;
  --f-lg:17px; --f-xl:19px;
  --lift:0 14px 34px -18px rgba(20,22,28,.30);
  --col:760px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#101318; --card:#181C23; --ink:#E9EBF0; --ink-2:#A2A9B8; --ink-3:#767E8E;
    --line:#282D37; --sunk:#1E232B;
    --acc:#DFAE4E; --acc-soft:#332A1A; --acc-ink:#14161C;
    --good:#4CC38A; --good-bg:#153027; --bad:#F2726B;
    --tiktok:#D05CB0;
    --lift:0 14px 34px -16px rgba(0,0,0,.66);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#101318; --card:#181C23; --ink:#E9EBF0; --ink-2:#A2A9B8; --ink-3:#767E8E;
  --line:#282D37; --sunk:#1E232B;
  --acc:#DFAE4E; --acc-soft:#332A1A; --acc-ink:#14161C;
  --good:#4CC38A; --good-bg:#153027; --bad:#F2726B;
  --tiktok:#D05CB0;
  --lift:0 14px 34px -16px rgba(0,0,0,.66);
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:'IBM Plex Sans Thai',system-ui,-apple-system,'Segoe UI',Tahoma,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
.num{font-family:'IBM Plex Mono',ui-monospace,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
h1,h2,h3{margin:0;text-wrap:balance;line-height:1.3}
p{margin:0}
a{color:var(--acc)}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* nav: the home page's, with the dawn hairline under it */
nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--dawn-1),var(--dawn-2) 42%,var(--dawn-3) 74%,#F2C14E)}
.nav-in{max-width:var(--col);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:var(--f-lg);text-decoration:none;color:var(--ink)}
.sun{width:22px;height:22px;flex:none}
.nav-sp{margin-left:auto}
.nav-in a.tl{text-decoration:none;font-size:var(--f-cap);color:var(--ink-2);white-space:nowrap}
.nav-in a.tl:hover,.nav-in a.tl[aria-current]{color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;
  font-weight:600;font-size:var(--f-md);padding:11px 20px;border-radius:9px;border:1px solid transparent;cursor:pointer;
  font-family:inherit;line-height:1.4}
.btn-p{background:var(--acc);color:var(--acc-ink);border-color:var(--acc)}
.btn-p:hover{filter:brightness(1.08)}
.btn-s{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-s:hover{border-color:var(--ink-3)}
.btn-sm{font-size:14px;padding:8px 15px}
.cta{display:flex;flex-wrap:wrap;gap:11px}

.wrap{max-width:var(--col);margin:0 auto;padding:40px 20px 0}
.crumb{font-size:var(--f-sm);color:var(--ink-3)}
.crumb a{color:var(--ink-2);text-decoration:none}
.crumb a:hover{color:var(--ink)}
.eyebrow{font-size:var(--f-sm);color:var(--ink-3);margin-bottom:12px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--acc);flex:none;border-radius:2px}
h1{font-size:clamp(27px,4.4vw,38px);letter-spacing:-.02em;margin-top:10px}
h1 .keep{display:inline-block}          /* a title breaks at its colon, not mid-phrase */
.meta{font-size:var(--f-sm);color:var(--ink-3);margin-top:12px}
.lede{font-size:18px;color:var(--ink-2);margin-top:18px}

/* article body */
.post h2{font-size:clamp(21px,2.9vw,25px);letter-spacing:-.01em;margin-top:46px}
.post h3{font-size:var(--f-lg);margin-top:28px}
.post p{margin-top:14px}
.post ul,.post ol{margin:14px 0 0;padding-left:22px}
.post li{margin-top:7px}
.post li::marker{color:var(--acc)}
code{font-family:'IBM Plex Mono',ui-monospace,Consolas,monospace;font-size:.86em;background:var(--sunk);
  border:1px solid var(--line);border-radius:5px;padding:0 5px;overflow-wrap:anywhere}
.formula{font-family:'IBM Plex Mono',ui-monospace,Consolas,monospace;font-size:14px;background:var(--sunk);
  border:1px solid var(--line);border-radius:8px;padding:11px 14px;margin-top:14px;overflow-x:auto;white-space:pre}
.note{font-size:var(--f-sm);color:var(--ink-3)}
.post .note{margin-top:10px}

/* a measured number, with what it was measured on */
.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:20px}
.fig{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;
  display:flex;flex-direction:column;gap:4px}
.fig b{font-family:'IBM Plex Mono',ui-monospace,Consolas,monospace;font-variant-numeric:tabular-nums;
  font-size:30px;font-weight:600;line-height:1.15;letter-spacing:-.03em;color:var(--acc)}
.fig span{font-size:var(--f-cap);color:var(--ink-2);line-height:1.6}
.src{font-size:var(--f-sm);color:var(--ink-3);margin-top:10px}

/* numbered how-to */
.how{counter-reset:s;list-style:none;padding:0!important;margin:18px 0 0!important;display:flex;flex-direction:column;gap:4px}
.how>li{counter-increment:s;position:relative;padding:8px 0 8px 46px;margin:0!important}
.how>li::before{content:counter(s);position:absolute;left:0;top:9px;width:30px;height:30px;border-radius:50%;
  background:var(--acc-soft);color:var(--acc);font-weight:700;font-size:var(--f-sm);display:grid;place-items:center}

/* tables scroll inside their own box, never the page */
.tw{overflow-x:auto;margin-top:16px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:var(--f-cap)}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
th{color:var(--ink-3);font-weight:600;background:var(--sunk);white-space:nowrap}
td.r,th.r{text-align:right;white-space:nowrap}
tr.tot td{font-weight:600;background:var(--sunk)}

/* "how the board handles it" */
.board{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--acc);
  border-radius:var(--r);padding:18px 20px;margin-top:18px}
.board>*:first-child{margin-top:0}
.board ul{margin-top:10px}

.ctabox{margin-top:40px;background:var(--acc-soft);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.ctabox p{color:var(--ink-2);font-size:var(--f-cap);margin:0}
.ctabox b{font-size:var(--f-lg)}

/* list of articles: hairlines, not boxes */
.list{margin-top:26px;border-top:1px solid var(--line)}
.list a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;padding:18px 0;
  border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.list a:hover b{color:var(--acc)}
.list b{font-size:var(--f-lg);font-weight:600;line-height:1.45}
.list small{grid-column:1/-1;color:var(--ink-2);font-size:var(--f-cap);line-height:1.6}
.list .tag{font-size:11.5px;font-weight:600;color:var(--acc);background:var(--acc-soft);
  padding:2px 8px;border-radius:99px;align-self:start;margin-top:4px;white-space:nowrap}
.more{margin-top:52px}
.more h2{font-size:var(--f-xl)}
.more .list{margin-top:10px}

footer{max-width:var(--col);margin:56px auto 0;padding:26px 20px 40px;border-top:1px solid var(--line);
  font-size:var(--f-sm);color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center}
footer a{color:var(--ink-2)}

@media (max-width:620px){
  body{font-size:15.5px}
  .wrap{padding:28px 16px 0}
  .nav-in{padding-inline:16px;gap:12px}
  .nav-in a.tl.opt{display:none}
  footer{padding-inline:16px}
  .lede{font-size:17px}
  th,td{padding:8px 8px}
  th,th.r{white-space:normal}
  .fig b{font-size:27px}
  .ctabox{padding:18px}
  .ctabox .cta,.ctabox .cta .btn{width:100%}
  .list a{grid-template-columns:minmax(0,1fr)}
  .list .tag{justify-self:start;grid-row:1}
}