:root{
  color-scheme:light;
  --ground:#F1F4F3; --surface:#FFFFFF; --surface-2:#F7FAF9; --raised:#FFFFFF;
  --ink:#111A19; --ink-soft:#4E5C59; --ink-faint:#85938F;
  --line:#DCE3E0; --line-soft:#EAF0ED;
  --accent:#0E5F5A; --accent-ink:#0A4642; --accent-soft:#DDEFEB; --accent-glow:rgba(14,95,90,.16);
  --ok:#136B45; --ok-bg:#DFF1E7;
  --mod:#8A5A05; --mod-bg:#FBF0DA;
  --hi:#A8420C; --hi-bg:#FCE9DE;
  --sev:#A32218; --sev-bg:#FBE5E2;
  --sans:"Noto Sans Thai","Sarabun","Leelawadee UI","Thonburi",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:ui-monospace,"Cascadia Mono","SF Mono",Consolas,"DejaVu Sans Mono",monospace;
  --r:14px;
  --shadow-1:0 1px 2px rgba(17,26,25,.05), 0 2px 8px -4px rgba(17,26,25,.10);
  --shadow-2:0 2px 6px rgba(17,26,25,.06), 0 14px 32px -18px rgba(17,26,25,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --spring:cubic-bezier(.34,1.4,.5,1);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#0B1211; --surface:#131B1A; --surface-2:#182221; --raised:#1B2624;
    --ink:#E9F0EE; --ink-soft:#9AA9A5; --ink-faint:#6B7A76;
    --line:#243230; --line-soft:#1C2725;
    --accent:#5CC8BA; --accent-ink:#93DED3; --accent-soft:#123330; --accent-glow:rgba(92,200,186,.20);
    --ok:#5FD09A; --ok-bg:#0F2B20;
    --mod:#E3B265; --mod-bg:#2B2211;
    --hi:#F2A077; --hi-bg:#2E1D12;
    --sev:#F28B7E; --sev-bg:#2F1714;
    --shadow-1:0 1px 2px rgba(0,0,0,.5), 0 2px 8px -4px rgba(0,0,0,.6);
    --shadow-2:0 2px 6px rgba(0,0,0,.5), 0 14px 32px -18px rgba(0,0,0,.9);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#0B1211; --surface:#131B1A; --surface-2:#182221; --raised:#1B2624;
  --ink:#E9F0EE; --ink-soft:#9AA9A5; --ink-faint:#6B7A76;
  --line:#243230; --line-soft:#1C2725;
  --accent:#5CC8BA; --accent-ink:#93DED3; --accent-soft:#123330; --accent-glow:rgba(92,200,186,.20);
  --ok:#5FD09A; --ok-bg:#0F2B20;
  --mod:#E3B265; --mod-bg:#2B2211;
  --hi:#F2A077; --hi-bg:#2E1D12;
  --sev:#F28B7E; --sev-bg:#2F1714;
  --shadow-1:0 1px 2px rgba(0,0,0,.5), 0 2px 8px -4px rgba(0,0,0,.6);
  --shadow-2:0 2px 6px rgba(0,0,0,.5), 0 14px 32px -18px rgba(0,0,0,.9);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--ground); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.65; -webkit-font-smoothing:antialiased;
  transition:background-color .35s var(--ease), color .35s var(--ease);
}
h1,h2,h3,h4{text-wrap:balance; line-height:1.25; margin:0}
button{font:inherit; color:inherit}
a{color:var(--accent); text-underline-offset:3px}
:focus-visible{outline:2px solid var(--accent); outline-offset:3px; border-radius:6px}
.wrap{max-width:1140px; margin:0 auto; padding:0 20px}

/* ── motion ─────────────────────────────────────────── */
@keyframes rise{from{opacity:0; transform:translateY(14px)} to{opacity:1; transform:none}}
@keyframes fadein{from{opacity:0} to{opacity:1}}
@keyframes pop{0%{transform:scale(.94); opacity:0} 60%{transform:scale(1.02)} 100%{transform:scale(1); opacity:1}}
@keyframes sweep{from{transform:scaleX(0)} to{transform:scaleX(1)}}
.anim{animation:rise .5s var(--ease) both}
.stagger > *{animation:rise .5s var(--ease) both}
.stagger > *:nth-child(1){animation-delay:.02s} .stagger > *:nth-child(2){animation-delay:.05s}
.stagger > *:nth-child(3){animation-delay:.08s} .stagger > *:nth-child(4){animation-delay:.11s}
.stagger > *:nth-child(5){animation-delay:.14s} .stagger > *:nth-child(6){animation-delay:.17s}
.stagger > *:nth-child(7){animation-delay:.20s} .stagger > *:nth-child(8){animation-delay:.23s}
.stagger > *:nth-child(n+9){animation-delay:.26s}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important; transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* ── header ─────────────────────────────────────────── */
header.bar{
  position:sticky; top:0; z-index:40; border-bottom:1px solid var(--line);
  background:color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter:saturate(1.6) blur(14px); -webkit-backdrop-filter:saturate(1.6) blur(14px);
}
.bar-in{display:flex; align-items:center; gap:12px; height:62px}
.brand{display:flex; align-items:center; gap:9px; font-weight:750; letter-spacing:-.025em; font-size:19px; text-decoration:none; color:var(--ink); flex:none}
.brand .mark{
  width:26px; height:26px; border-radius:8px; background:var(--accent); flex:none;
  display:grid; place-items:center; color:var(--surface); font-size:13px; font-weight:800;
  box-shadow:0 0 0 4px var(--accent-glow); transition:transform .4s var(--spring);
}
.brand:hover .mark{transform:rotate(-8deg) scale(1.06)}
:root[data-theme="dark"] .brand .mark, :root:not([data-theme="light"]) .brand .mark{color:#08110F}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .brand .mark{color:#fff}}
.brand em{font-style:normal; color:var(--ink-faint); font-weight:600}
.bar-sp{flex:1}
.searchbox{position:relative; flex:1; max-width:400px}
.searchbox input{
  width:100%; font:inherit; font-size:15px; padding:9px 14px 9px 36px; border-radius:999px;
  border:1px solid var(--line); background:var(--surface-2); color:var(--ink);
  transition:border-color .2s var(--ease), box-shadow .25s var(--ease), background-color .2s;
}
.searchbox input:focus{border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-glow); outline:none}
.searchbox svg{position:absolute; left:12px; top:50%; transform:translateY(-50%); width:16px; height:16px; stroke:var(--ink-faint); fill:none; stroke-width:2}
.iconbtn{
  width:38px; height:38px; border-radius:11px; border:1px solid var(--line); background:var(--surface-2);
  display:grid; place-items:center; cursor:pointer; flex:none;
  transition:transform .25s var(--spring), border-color .2s, background-color .2s;
}
.iconbtn:hover{border-color:var(--accent); transform:translateY(-1px)}
.iconbtn:active{transform:scale(.94)}
.iconbtn svg{width:17px; height:17px; stroke:var(--ink-soft); fill:none; stroke-width:1.9; stroke-linecap:round}
.tag-mode{
  font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; padding:5px 11px; border-radius:999px;
  border:1px solid var(--line); color:var(--ink-soft); background:var(--surface-2); white-space:nowrap;
}
.tag-mode.pro{color:var(--accent-ink); border-color:var(--accent); background:var(--accent-soft)}
@media (max-width:760px){ .searchbox{max-width:none} .tag-mode{display:none} }

/* ── ad slots ───────────────────────────────────────── */
.ad{
  border:1px dashed var(--line); border-radius:var(--r); background:var(--surface-2);
  display:grid; place-items:center; color:var(--ink-faint); font-size:12.5px; letter-spacing:.06em;
  margin:26px 0; overflow:hidden;
}
.ad.leader{min-height:100px}          /* 728x90 / responsive */
.ad.rect{min-height:260px}            /* 300x250 */
.ad.foot{min-height:100px; margin-bottom:8px}
.ad span{opacity:.75}

/* ── hero / doors ───────────────────────────────────── */
.hero{padding:64px 0 6px}
.hero .kicker{
  display:inline-flex; align-items:center; gap:7px; font-size:12.5px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--accent-ink); background:var(--accent-soft);
  padding:5px 12px; border-radius:999px; border:1px solid var(--accent);
}
.hero h1{font-size:clamp(32px,5.4vw,50px); letter-spacing:-.035em; margin-top:18px}
.hero h1 .hl{position:relative; white-space:nowrap}
.hero h1 .hl::after{
  content:''; position:absolute; left:0; right:0; bottom:.08em; height:.30em; background:var(--accent-soft);
  z-index:-1; transform-origin:left; animation:sweep .7s .35s var(--ease) both; border-radius:3px;
}
.hero p{margin:16px 0 0; font-size:18px; color:var(--ink-soft); max-width:60ch}

/* ค้นหาจากหน้าแรก */
.hsearch{position:relative; margin-top:26px; max-width:600px}
.hsearch input{
  width:100%; font:inherit; font-size:17px; padding:15px 20px 15px 50px; border-radius:16px;
  border:1px solid var(--line); background:var(--surface); color:var(--ink); box-shadow:var(--shadow-1);
  transition:border-color .2s, box-shadow .28s var(--ease);
}
.hsearch input:focus{border-color:var(--accent); box-shadow:0 0 0 5px var(--accent-glow); outline:none}
.hsearch > svg{position:absolute; left:18px; top:50%; transform:translateY(-50%); width:19px; height:19px; stroke:var(--ink-faint); fill:none; stroke-width:2}
.hres{margin-top:10px; border:1px solid var(--line); border-radius:16px; background:var(--surface); overflow:hidden; box-shadow:var(--shadow-2); animation:rise .3s var(--ease) both}
.hres button{
  display:flex; width:100%; text-align:right; gap:10px; align-items:baseline; justify-content:flex-end;
  padding:12px 18px; background:none; border:0; border-bottom:1px solid var(--line-soft); cursor:pointer;
  transition:background-color .18s;
}
.hres button:last-child{border-bottom:0}
.hres button:hover{background:var(--accent-soft)}
.hres .hn{font-weight:650; font-size:15.5px}
.hres .ht{font-size:13.5px; color:var(--ink-soft); flex:1; text-align:right}
.hres .hside{font-size:11px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-faint); border:1px solid var(--line); border-radius:999px; padding:1px 8px; white-space:nowrap}
.hres .none{padding:16px 18px; color:var(--ink-faint); font-size:14.5px}

.doors{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:34px}
@media (max-width:760px){.doors{grid-template-columns:1fr}}
.door{
  position:relative; overflow:hidden; text-align:right; cursor:pointer;
  background:var(--surface); border:1px solid var(--line); border-radius:20px; padding:30px 26px 26px;
  display:flex; flex-direction:column; gap:9px;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.door::before{
  content:''; position:absolute; inset:0 0 auto 0; height:3px; transform:scaleX(0); transform-origin:right;
  background:var(--accent); transition:transform .4s var(--ease);
}
.door:hover{transform:translateY(-3px); box-shadow:var(--shadow-2); border-color:var(--accent)}
.door:hover::before{transform:scaleX(1)}
.door .eyebrow{font-size:11.5px; letter-spacing:.11em; text-transform:uppercase; color:var(--ink-faint)}
.door h2{font-size:25px; letter-spacing:-.025em}
.door p{margin:0; color:var(--ink-soft); font-size:15px}
.door .go{margin-top:8px; color:var(--accent); font-weight:650; font-size:15px; display:inline-flex; align-items:center; gap:6px; justify-content:flex-start}
.door:hover .go{gap:10px}
.door .go span{transition:margin .3s var(--ease)}

/* ── list / cards ───────────────────────────────────── */
.crumb{font-size:14px; color:var(--ink-soft); padding-top:24px; display:flex; gap:7px; flex-wrap:wrap; align-items:center}
.crumb button{background:none; border:0; color:var(--accent); cursor:pointer; padding:0; font:inherit}
.sec-head{display:flex; align-items:flex-end; gap:14px; flex-wrap:wrap; margin:26px 0 16px}
.sec-head h1{font-size:30px; letter-spacing:-.03em}
.sec-head p{margin:0; color:var(--ink-soft); font-size:15.5px}
.count{font-family:var(--mono); font-size:13px; color:var(--ink-faint); background:var(--surface-2); border:1px solid var(--line); border-radius:999px; padding:3px 11px}

.chips{display:flex; gap:8px; overflow-x:auto; padding:4px 0 12px; scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:none; font-size:13.5px; padding:7px 14px; border-radius:999px; cursor:pointer; white-space:nowrap;
  border:1px solid var(--line); background:var(--surface); color:var(--ink-soft);
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--accent); color:var(--accent)}
.chip[aria-pressed=true]{background:var(--accent); border-color:var(--accent); color:var(--surface); font-weight:650}
:root[data-theme="dark"] .chip[aria-pressed=true], :root:not([data-theme="light"]) .chip[aria-pressed=true]{color:#08110F}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .chip[aria-pressed=true]{color:#fff}}

.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(268px,1fr)); gap:12px}
.calc-card{
  position:relative; text-align:right; cursor:pointer; background:var(--surface); font:inherit; color:inherit;
  border:1px solid var(--line); border-radius:var(--r); padding:16px 46px 14px 16px; width:100%;
  display:flex; flex-direction:column; gap:5px;
  transition:transform .25s var(--ease), border-color .25s, box-shadow .25s;
}
.calc-card:hover{transform:translateY(-2px); border-color:var(--accent); box-shadow:var(--shadow-1)}
.calc-card .cc-top{display:flex; align-items:baseline; gap:8px}
.calc-card h3{font-size:16.5px; letter-spacing:-.01em; flex:1}
.calc-card .cc-th{font-size:13.5px; color:var(--ink-soft)}
.calc-card .cc-desc{font-size:13.5px; color:var(--ink-faint); line-height:1.55}
.cat-dot{width:7px; height:7px; border-radius:50%; background:var(--accent); flex:none; margin-top:7px}
.star{
  position:absolute; top:6px; left:6px; width:44px; height:44px; border-radius:10px; border:0;
  background:none; cursor:pointer; display:grid; place-items:center; opacity:.4; z-index:2;
  transition:opacity .2s, transform .3s var(--spring), background-color .2s;
}
.star:focus-visible{background:var(--accent-soft)}
.star:hover{opacity:.8; transform:scale(1.12)}
.star.on{opacity:1}
.star svg{width:16px; height:16px; stroke:var(--ink-faint); fill:none; stroke-width:1.8}
.star.on svg{stroke:var(--mod); fill:var(--mod)}
.empty{padding:44px 20px; text-align:center; color:var(--ink-faint); border:1px dashed var(--line); border-radius:var(--r)}

/* ── calculator page ────────────────────────────────── */
.calc-wrap{display:grid; grid-template-columns:minmax(300px,390px) 1fr; gap:20px; margin-top:20px; align-items:start}
@media (max-width:900px){.calc-wrap{grid-template-columns:1fr}}
.panel{background:var(--surface); border:1px solid var(--line); border-radius:var(--r); padding:22px; box-shadow:var(--shadow-1)}
.panel > h2{font-size:12px; letter-spacing:.09em; text-transform:uppercase; color:var(--ink-faint); font-weight:650; margin-bottom:16px}
.field{display:flex; flex-direction:column; gap:6px; margin-bottom:15px}
.field label{font-size:14px; font-weight:600; display:flex; justify-content:space-between; gap:10px; align-items:baseline}
.field .u{font-family:var(--mono); font-size:12px; color:var(--ink-faint); font-weight:400}
.field .hint{font-size:12.5px; color:var(--ink-faint)}
/* ใช้ text + inputmode=decimal ไม่ใช่ type=number — type=number คืน selectionStart เป็น null
   ทำให้กู้ตำแหน่งเคอร์เซอร์หลังวาดใหม่ไม่ได้ พิมพ์เลขหลายหลักแล้วโฟกัสหลุด */
.numin, select{
  font:inherit; font-size:16px; padding:10px 13px; border:1px solid var(--line); border-radius:10px;
  background:var(--surface-2); color:var(--ink); width:100%;
  transition:border-color .2s, box-shadow .25s var(--ease);
}
.numin{font-family:var(--mono); font-variant-numeric:tabular-nums}
.numin:focus, select:focus{border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-glow); outline:none}
.numin.bad{border-color:var(--sev); background:var(--sev-bg)}
.warnbox{border:1px solid var(--sev); background:var(--sev-bg); color:var(--sev); border-radius:var(--r); padding:16px 18px; font-size:15px; line-height:1.6}
.warnbox b{display:block; margin-bottom:4px}
.rowbtns{display:flex; gap:8px; flex-wrap:wrap; margin-top:4px}
.rowbtns .btn{margin-top:0; padding:9px 16px; font-size:14px}
.switch{
  display:flex; align-items:center; justify-content:space-between; gap:12px; cursor:pointer;
  padding:11px 13px; border:1px solid var(--line); border-radius:10px; background:var(--surface-2);
  margin-bottom:9px; font-size:14.5px; transition:border-color .2s, background-color .2s;
}
.switch:hover{border-color:var(--accent)}
.switch input{position:absolute; opacity:0; pointer-events:none}
.switch .track{
  width:40px; height:23px; border-radius:999px; background:var(--line); position:relative; flex:none;
  transition:background-color .25s var(--ease);
}
.switch .track::after{
  content:''; position:absolute; top:3px; right:3px; width:17px; height:17px; border-radius:50%;
  background:var(--surface); box-shadow:0 1px 3px rgba(0,0,0,.3);
  transition:transform .28s var(--spring);
}
.switch input:checked + .track{background:var(--accent)}
.switch input:checked + .track::after{transform:translateX(-17px)}
.switch .pts{font-family:var(--mono); font-size:12px; color:var(--ink-faint); margin-left:auto}

/* result */
.result{
  border-radius:var(--r); padding:22px; border:1px solid var(--line); background:var(--surface-2);
  animation:pop .4s var(--ease) both;
}
.result .rlabel{font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint)}
.result .rval{
  font-family:var(--mono); font-size:clamp(38px,7vw,54px); font-weight:700; letter-spacing:-.04em;
  font-variant-numeric:tabular-nums; line-height:1.1; margin-top:4px;
}
.result .rval small{font-size:.42em; font-weight:500; color:var(--ink-soft); letter-spacing:0}
.result .rtext{margin:12px 0 0; font-size:15.5px; line-height:1.65}
.result.normal{border-color:var(--ok); background:var(--ok-bg)} .result.normal .rval{color:var(--ok)}
.result.low{border-color:var(--mod); background:var(--mod-bg)}  .result.low .rval{color:var(--mod)}
.result.mod{border-color:var(--mod); background:var(--mod-bg)}  .result.mod .rval{color:var(--mod)}
.result.high{border-color:var(--hi); background:var(--hi-bg)}   .result.high .rval{color:var(--hi)}
.result.sev{border-color:var(--sev); background:var(--sev-bg)}  .result.sev .rval{color:var(--sev)}
.extras{display:flex; flex-wrap:wrap; gap:10px; margin-top:16px}
.extra{background:var(--surface); border:1px solid var(--line); border-radius:10px; padding:9px 13px; flex:1 1 150px}
.extra .k{font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-faint)}
.extra .v{font-family:var(--mono); font-size:16px; font-variant-numeric:tabular-nums; margin-top:2px}
.refs{margin-top:20px; padding-top:15px; border-top:1px solid var(--line-soft); font-size:12.5px; color:var(--ink-faint); line-height:1.7}
.refs b{display:block; text-transform:uppercase; letter-spacing:.07em; font-size:11px; margin-bottom:6px; font-weight:650}
.note{font-size:14px; line-height:1.65; color:var(--ink-soft); border-right:3px solid var(--line); padding-right:14px; margin-top:16px}
.note strong{color:var(--ink)}

/* ── บทความ ── ตั้งค่าให้อ่านยาวสบายตา ไม่ใช่หน้าจอเครื่องมือ */
.article{max-width:68ch; margin:26px auto 0; font-size:17.5px; line-height:1.9}
.article h1{font-size:clamp(27px,4.4vw,36px); letter-spacing:-.03em; margin-bottom:8px}
.article h2{font-size:22px; letter-spacing:-.02em; margin:38px 0 2px}
.article p{margin:16px 0 0; color:var(--ink)}
.article > p:first-of-type{font-size:19px; color:var(--ink-soft); line-height:1.75}
.article ul{margin:14px 0 0; padding-right:22px}
.article li{margin-bottom:9px}
.article strong{font-weight:650}
.article table{width:100%; border-collapse:collapse; font-size:15.5px; margin:18px 0 0; display:block; overflow-x:auto}
.article th, .article td{padding:10px 12px; border-bottom:1px solid var(--line-soft); text-align:right; vertical-align:top}
.article th{font-size:13px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.05em; white-space:nowrap}
.article .callout{
  border-right:3px solid var(--sev); background:var(--sev-bg); border-radius:0 12px 12px 0;
  padding:18px 20px; margin:26px 0 0; font-size:16.5px; line-height:1.75;
}
.article .callout p:first-child{margin-top:0}
.article .refs{margin-top:44px; padding-top:22px; border-top:1px solid var(--line)}
.article .refs h2{font-size:14px; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-faint); margin:0 0 10px}
.article .refs ul{padding-right:20px}
.article .refs li{font-size:14px; color:var(--ink-soft); line-height:1.65; margin-bottom:8px}
.article .byline{margin-top:32px; padding-top:16px; border-top:1px solid var(--line-soft); font-size:13.5px; color:var(--ink-faint); line-height:1.7}

/* gate + legal */
.gate{background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:30px; margin-top:26px; max-width:660px; box-shadow:var(--shadow-2)}
.gate h2{font-size:22px; letter-spacing:-.02em}
.gate ul{margin:16px 0 0; padding-right:20px; color:var(--ink-soft); font-size:15px; line-height:1.85}
.btn{
  font-weight:650; font-size:15px; padding:12px 22px; border-radius:11px; cursor:pointer; margin-top:22px;
  background:var(--accent); border:1px solid var(--accent); color:var(--surface);
  transition:transform .22s var(--spring), box-shadow .25s, filter .2s;
}
.btn:hover{transform:translateY(-2px); box-shadow:0 8px 22px -10px var(--accent)}
.btn:active{transform:scale(.97)}
/* :not(.ghost) สำคัญ — ไม่งั้นกฎ (0,3,0) นี้ทับสีของปุ่ม ghost (0,2,0) จนตัวอักษรหายไปกับพื้น */
:root[data-theme="dark"] .btn:not(.ghost), :root:not([data-theme="light"]) .btn:not(.ghost){color:#08110F}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .btn:not(.ghost){color:#fff}}
.btn.ghost{background:var(--surface-2); color:var(--ink); border-color:var(--ink-faint)}
.btn.ghost:hover{border-color:var(--accent); color:var(--accent); background:var(--accent-soft); box-shadow:none}
.legal{max-width:70ch; padding-top:30px}
.legal h1{font-size:29px; letter-spacing:-.025em}
.legal h2{font-size:17px; margin-top:28px}
.legal p,.legal li{color:var(--ink-soft); font-size:15.5px; line-height:1.75}
.legal ul{padding-right:20px}

footer.foot{border-top:1px solid var(--line); margin-top:56px; padding:26px 0 44px; background:var(--surface); color:var(--ink-soft); font-size:13.5px}
.foot-row{display:flex; flex-wrap:wrap; gap:10px 22px; align-items:center}
.foot button{background:none; border:0; color:var(--ink-soft); cursor:pointer; font:inherit; padding:5px 0}
.foot button:hover{color:var(--accent)}
.foot p{margin:14px 0 0; max-width:74ch; line-height:1.65}


/* warfarin regimen bits */
.regimen{border:1px solid var(--line); border-radius:12px; padding:14px; margin-bottom:12px; background:var(--surface-2); animation:rise .4s var(--ease) both}
.regimen.pick{border-color:var(--accent); background:var(--surface); box-shadow:var(--shadow-1)}
.reg-head{display:flex; flex-wrap:wrap; align-items:baseline; gap:8px 14px; margin-bottom:10px}
.reg-rank{font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); border:1px solid var(--line); border-radius:999px; padding:2px 9px}
.regimen.pick .reg-rank{color:var(--accent-ink); border-color:var(--accent); background:var(--accent-soft)}
.reg-mg{font-family:var(--mono); font-size:16px; font-variant-numeric:tabular-nums; font-weight:650}
.reg-diff{font-size:12.5px; color:var(--ink-faint); margin-right:auto}
.reg-say{margin:10px 0 0; font-size:14.5px; line-height:1.6}
.strip{display:grid; grid-template-columns:repeat(7,1fr); gap:6px}
.day{border:1px solid var(--line); border-radius:10px; padding:9px 3px 7px; text-align:center; background:var(--surface)}
.day .dname{font-size:12px; color:var(--ink-faint)}
.day .pills{display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:3px; min-height:32px; margin:4px 0 2px}
.day .mg{font-family:var(--mono); font-size:13px; font-variant-numeric:tabular-nums}
.day.hold{background:var(--sev-bg); border-color:var(--sev)}
.day.hold .mg{color:var(--sev)}
/* สีเม็ดวาร์ฟารินตามของจริง — 1 มก. ส้ม / 3 มก. ฟ้า / 5 มก. ชมพู
   ใช้ตัวแปรต่อเม็ด เพื่อให้ .half หยิบสีเดียวกันไปทำครึ่งวงกลมได้ */
.pill{width:14px; height:14px; border-radius:50%; flex:none;
      border:1.5px solid var(--pill-line,var(--accent)); background:var(--pill-bg,var(--accent))}
.pill.s1{--pill-bg:#F09A33; --pill-line:#B26A0F}
.pill.s3{--pill-bg:#57A7E6; --pill-line:#2A6DA6}
.pill.s5{--pill-bg:#F08DB4; --pill-line:#BD5582}
.pill.half{background:linear-gradient(90deg,var(--pill-bg,var(--accent)) 0 50%, transparent 50% 100%)}
.pill.none{border-style:dashed; border-color:var(--line); background:none}
.pill-key{display:flex; flex-wrap:wrap; gap:6px 18px; margin:0 0 12px; font-size:13px; color:var(--ink-soft)}
.pill-key>span{display:inline-flex; align-items:center; gap:6px}
.stgrid{display:grid; grid-template-columns:repeat(3,1fr); gap:8px}
.stbox{position:relative; display:flex; flex-direction:column; align-items:center; gap:4px;
       padding:10px 6px; border:1px solid var(--line); border-radius:10px; background:var(--surface);
       cursor:pointer; transition:border-color .16s var(--ease), background .16s var(--ease)}
.stbox:hover{border-color:var(--ink-faint)}
.stbox.on{border-color:var(--accent); background:var(--accent-soft)}
.stbox input{position:absolute; opacity:0; width:1px; height:1px; pointer-events:none}
.stbox input:focus-visible+.pill{outline:2px solid var(--accent); outline-offset:3px}
.stbox .stlab{font-size:14px; font-weight:650}
.stbox .stsub{font-size:11.5px; color:var(--ink-faint)}
.copybox{display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:14px; padding:12px 14px; border:1px dashed var(--line); border-radius:10px; background:var(--surface-2)}
.copybox code{font-family:var(--mono); font-size:13px; line-height:1.6; flex:1; min-width:200px; color:var(--ink-soft); word-break:break-word}
.copybox .btn{padding:8px 14px; font-size:14px; margin:0}