:root{
  --bg:#F8FAFD; --surface:#FFFFFF; --surface-2:#E9F3FF; --surface-3:#F8FAFD;
  --ink:#0D1B2A; --ink-2:#5E6A7E; --ink-3:#636D7C;
  --line:#E9F3FF; --line-2:#B7C3D4;
  --brand:#2486FF; --brand-ink:#005CFF; --sky:#48B0FF;
  --lime:#D4F73F; --lime-2:#E4FF6B; --lime-3:#B8D930;
  --navy:#0D1B2A; --navy-2:#132638; --navy-3:#1A2D42;
  --hero-bg:#0D1B2A; --hero-card:#132638; --hero-line:#1A2D42; --hero-ink:#F8FAFD; --hero-ink-2:#B7C3D4;
  --cta-bg:#D4F73F; --cta-ink:#0D1B2A; --cta-hover:#E4FF6B;
  --ref0:#005CFF; --ref0-bg:#005CFF; --ref0-fg:#FFFFFF;
  --ref1:#B8D930; --ref1-bg:#D4F73F; --ref1-fg:#0D1B2A;
  --ref2:#0D1B2A; --ref2-bg:#0D1B2A; --ref2-fg:#D4F73F;
  --ref3:#48B0FF; --ref3-bg:#E9F3FF; --ref3-fg:#0D1B2A;
  --hit-bg:#005CFF; --hit-fg:#FFFFFF; --result-bg:#D4F73F; --result-fg:#0D1B2A; --scan-bg:#E9F3FF;
  --grid-head:#F8FAFD; --grid-line:#E9F3FF; --grid-line-2:#B7C3D4;
  --focus:#005CFF; --on-brand-ink:#FFFFFF;
  --shadow-sm:0 1px 2px rgba(13,27,42,.05); --shadow-md:0 4px 12px rgba(13,27,42,.08); --shadow-lg:0 8px 24px rgba(13,27,42,.12);
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-pill:999px;
  --font:"LINE Seed Sans TH","Google Sans","Noto Sans Thai",system-ui,sans-serif;
  --mono:"Google Sans Code",ui-monospace,"SF Mono",Consolas,"Noto Sans Thai",monospace;
  --logo-light:block; --logo-dark:none;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0D1B2A; --surface:#132638; --surface-2:#1A2D42; --surface-3:#0D1B2A;
    --ink:#F8FAFD; --ink-2:#B7C3D4; --ink-3:#9AA4B1;
    --line:#1A2D42; --line-2:#5E6A7E;
    --brand:#48B0FF; --brand-ink:#48B0FF; --focus:#48B0FF; --on-brand-ink:#0D1B2A;
    --hero-bg:#132638; --hero-card:#0D1B2A; --hero-line:#1A2D42;
    --ref0:#48B0FF; --ref0-bg:#48B0FF; --ref0-fg:#0D1B2A;
    --ref2:#F8FAFD; --ref2-bg:#F8FAFD; --ref2-fg:#0D1B2A;
    --ref3:#2486FF; --ref3-bg:#1A2D42; --ref3-fg:#F8FAFD;
    --hit-bg:#48B0FF; --hit-fg:#0D1B2A; --scan-bg:#1A2D42;
    --grid-head:#0D1B2A; --grid-line:#1A2D42; --grid-line-2:#5E6A7E;
    --shadow-sm:0 1px 2px rgba(13,27,42,.4); --shadow-md:0 4px 12px rgba(13,27,42,.5); --shadow-lg:0 8px 24px rgba(13,27,42,.6);
    --logo-light:none; --logo-dark:block;
  }
}
:root[data-theme="dark"]{
  --bg:#0D1B2A; --surface:#132638; --surface-2:#1A2D42; --surface-3:#0D1B2A;
  --ink:#F8FAFD; --ink-2:#B7C3D4; --ink-3:#9AA4B1;
  --line:#1A2D42; --line-2:#5E6A7E;
  --brand:#48B0FF; --brand-ink:#48B0FF; --focus:#48B0FF; --on-brand-ink:#0D1B2A;
  --hero-bg:#132638; --hero-card:#0D1B2A; --hero-line:#1A2D42;
  --ref0:#48B0FF; --ref0-bg:#48B0FF; --ref0-fg:#0D1B2A;
  --ref2:#F8FAFD; --ref2-bg:#F8FAFD; --ref2-fg:#0D1B2A;
  --ref3:#2486FF; --ref3-bg:#1A2D42; --ref3-fg:#F8FAFD;
  --hit-bg:#48B0FF; --hit-fg:#0D1B2A; --scan-bg:#1A2D42;
  --grid-head:#0D1B2A; --grid-line:#1A2D42; --grid-line-2:#5E6A7E;
  --shadow-sm:0 1px 2px rgba(13,27,42,.4); --shadow-md:0 4px 12px rgba(13,27,42,.5); --shadow-lg:0 8px 24px rgba(13,27,42,.6);
  --logo-light:none; --logo-dark:block;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:LINE Seed Sans TH,Google Sans,Noto Sans Thai,system-ui,sans-serif;font-size:15px;line-height:1.65;padding-inline:0}
a{color:var(--brand-ink)}
a:hover{text-decoration-thickness:2px}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{line-height:1.2;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
code,.mono{font-family:var(--mono)}
.wrap{max-width:1200px;margin:0 auto;padding-inline:16px}
@media (min-width:768px){.wrap{padding-inline:24px}}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* top bar */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:var(--surface);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:16px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand img{height:30px;width:auto}
.brand .logo-l{display:var(--logo-light)} .brand .logo-d{display:var(--logo-dark)}
.brand-name{display:flex;flex-direction:column;line-height:1.1}
.brand-name b{font-size:17px;font-weight:800}
.brand-name small{font-size:11px;color:var(--ink-2);font-family:"Google Sans",var(--font)}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--ink-2);text-decoration:none;padding:8px 12px;border-radius:var(--r-sm);font-size:14px;font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);background:var(--surface-2)}
.search-btn{display:flex;align-items:center;gap:10px;border:1px solid var(--line-2);background:var(--surface-3);border-radius:var(--r-pill);padding:7px 10px 7px 14px;color:var(--ink-2);cursor:pointer;min-height:40px;font-size:14px}
.search-btn:hover{border-color:var(--brand)}
.kbd{font-family:var(--mono);font-size:11px;border:1px solid var(--line-2);border-radius:6px;padding:1px 6px;color:var(--ink-2);background:var(--surface)}
@media (max-width:860px){.nav a.hide-sm{display:none}}
@media (max-width:600px){.nav a{display:none}.search-btn .lbl{display:none}.search-btn{padding:8px 12px}.brand-name small{display:none}}

/* chips & badges */
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:var(--r-pill);padding:6px 14px;font-size:14px;cursor:pointer;text-decoration:none;min-height:36px;transition:border-color .2s,background .2s}
.chip:hover{border-color:var(--brand);color:var(--brand-ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.badge{display:inline-flex;align-items:center;gap:4px;border-radius:var(--r-pill);padding:2px 10px;font-size:12px;font-weight:700;line-height:1.7;white-space:nowrap}
.b-ver{background:var(--surface-2);color:var(--ink)}
.b-all{background:var(--surface-2);color:var(--ink)}
.b-new{background:var(--navy);color:var(--lime)}
.b-365{background:var(--brand-ink);color:var(--on-brand-ink)}
.b-beta{border:1px dashed var(--line-2);color:var(--ink-2)}
.b-off{background:var(--surface-3);color:var(--ink-2);border:1px solid var(--line-2);text-decoration:line-through}
.b-lvl{border:1px solid var(--line-2);color:var(--ink-2)}
.b-full{background:var(--lime);color:#0D1B2A}
:root[data-theme="dark"] .b-new{background:var(--lime);color:#0D1B2A}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .b-new{background:var(--lime);color:#0D1B2A}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-md);padding:10px 18px;font-weight:700;border:0;cursor:pointer;text-decoration:none;min-height:44px;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
.btn-cta{background:var(--cta-bg);color:var(--cta-ink)}
.btn-cta:hover{background:var(--cta-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-pri{background:#005CFF;color:#FFFFFF}
.btn-pri:hover{background:#0D1B2A}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-ink)}
.btn-sm{min-height:36px;padding:6px 12px;font-size:14px;border-radius:var(--r-sm)}
.icon{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* hero */
.hero{background:var(--hero-bg);color:var(--hero-ink);position:relative;overflow:hidden;border-bottom:1px solid var(--hero-line)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--hero-line) 1px,transparent 1px),linear-gradient(90deg,var(--hero-line) 1px,transparent 1px);background-size:112px 28px;opacity:.9;pointer-events:none;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.15))}
.hero .wrap{position:relative;padding-block:48px 40px;display:grid;gap:22px}
.hero .eyebrow{font-family:var(--mono);font-size:13px;color:var(--lime);letter-spacing:.04em}
.hero h1{font-size:clamp(30px,5.2vw,52px);font-weight:800;max-width:15em}
.hero .lede{color:var(--hero-ink-2);font-size:17px;max-width:40em}
.fxbar{display:flex;align-items:stretch;background:var(--surface);border-radius:var(--r-md);box-shadow:var(--shadow-lg);overflow:hidden;max-width:820px;border:2px solid transparent}
.fxbar:focus-within{border-color:var(--sky)}
.fxbar .fx{display:flex;align-items:center;justify-content:center;padding:0 16px;background:var(--navy-2);color:var(--lime);font-family:var(--mono);font-style:italic;font-weight:500;font-size:18px;min-width:58px}
.fxbar input{flex:1;min-width:0;border:0;background:transparent;padding:16px 14px;font-size:18px;color:var(--ink);outline:none}
.fxbar input::placeholder{color:var(--ink-3)}
.hero .quick{display:flex;flex-wrap:wrap;gap:8px}
.hero .quick .chip{background:transparent;color:var(--hero-ink);border-color:var(--hero-line)}
.hero .quick .chip:hover{border-color:var(--lime);color:var(--lime)}
.hero .proof{font-size:13px;color:var(--hero-ink-2)}
.hero-results{max-width:820px;background:var(--surface);color:var(--ink);border-radius:var(--r-md);box-shadow:var(--shadow-lg);overflow:hidden}

/* sections */
main{display:block}
.section{padding-block:44px 8px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.section-head h2{font-size:24px;font-weight:800}
.section-head p{color:var(--ink-2);max-width:48em}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}

/* five cards */
.five{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
@media (max-width:1100px){.five{grid-template-columns:minmax(0,1fr)}}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.fcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand)}
.fcard .fname{font-family:var(--mono);font-size:22px;font-weight:500}
.fcard .fsum{color:var(--ink-2);font-size:14px;flex:1}
.fcard .fsyn{font-family:var(--mono);font-size:12px;color:var(--brand-ink);background:var(--surface-3);border:1px solid var(--line);border-radius:var(--r-sm);padding:6px 8px;overflow-wrap:anywhere}
.fcard .go{font-weight:700;font-size:14px;color:var(--brand-ink)}
@media (max-width:1100px){.fcard{flex-direction:row;flex-wrap:wrap;align-items:center}.fcard .fname{min-width:110px}.fcard .fsum{flex:1 1 260px}.fcard .fsyn{flex:1 1 100%}}

/* task list */
.tasks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
@media (max-width:760px){.tasks{grid-template-columns:minmax(0,1fr)}}
.task{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.task:hover .t{color:var(--brand-ink)}
.task .t{flex:1}
.task .fn{font-family:var(--mono);font-size:12px;border:1px solid var(--line-2);border-radius:6px;padding:1px 8px;color:var(--ink-2)}

/* categories */
.cats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
@media (max-width:1000px){.cats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:2px}
.cat:hover{border-color:var(--brand)}
.cat b{font-size:15px}
.cat span{font-size:13px;color:var(--ink-2)}

/* timeline */
.tl{list-style:none;margin:0;padding:0;display:grid;gap:0;border-left:2px solid var(--line-2);margin-left:6px}
.tl li{position:relative;padding:0 0 18px 22px}
.tl li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--surface);border:2px solid var(--brand)}
.tl li.off::before{border-color:var(--ink-3)}
.tl .when{font-size:13px;color:var(--ink-2);font-weight:600}
.tl .what{font-weight:700}
.tl .src{font-size:12px}

/* promise row */
.promise{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;padding-block:8px 16px}
@media (max-width:900px){.promise{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.promise{grid-template-columns:minmax(0,1fr)}}
.promise .p{display:grid;gap:6px}
.promise .p svg{width:28px;height:28px;stroke:var(--brand-ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.promise .p b{font-size:16px}
.promise .p span{color:var(--ink-2);font-size:14px}

/* function index */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.idx-tools{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.idx-tools input,.idx-tools select{border:1px solid var(--line-2);background:var(--surface);border-radius:var(--r-md);padding:10px 12px;min-height:44px}
.idx-tools input{flex:1 1 260px}
.fn-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.fn-row{display:grid;grid-template-columns:170px 1fr auto;gap:14px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.fn-row:last-child{border-bottom:0}
.fn-row:hover{background:var(--surface-3)}
.fn-row .n{font-family:var(--mono);font-weight:500}
.fn-row .s{color:var(--ink-2);font-size:14px}
.fn-row .tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:700px){.fn-row{grid-template-columns:minmax(0,1fr)}.fn-row .tags{justify-content:flex-start}}

/* function page */
.fpage{display:grid;grid-template-columns:220px minmax(0,1fr);gap:36px;padding-block:24px 40px}
@media (max-width:1000px){.fpage{grid-template-columns:minmax(0,1fr)}.toc{display:none}}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 76px);align-self:start;max-height:calc(100vh - 100px);overflow:auto;font-size:13px}
.toc b{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin-bottom:8px}
.toc a{display:block;color:var(--ink-2);text-decoration:none;padding:5px 10px;border-left:2px solid var(--line)}
.toc a:hover{color:var(--ink);border-left-color:var(--brand)}
.crumbs{font-size:13px;color:var(--ink-2);display:flex;gap:6px;flex-wrap:wrap}
.crumbs a{color:var(--ink-2);display:inline-block;padding-block:6px}
.fhead{display:grid;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.fhead h1{font-family:var(--mono);font-size:clamp(34px,5vw,48px);font-weight:500;letter-spacing:-.02em}
.fhead .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.fhead .lead{font-size:18px;max-width:46em}
.fhead .acts{display:flex;gap:10px;flex-wrap:wrap}
.fhead .upd{font-size:13px;color:var(--ink-2)}
.blk{position:relative;padding-block:28px;border-bottom:1px solid var(--line);scroll-margin-top:84px}
.blk:last-child{border-bottom:0}
.blk > h2{font-size:21px;font-weight:800;margin-bottom:12px}
.blk > .sub{color:var(--ink-2);margin:-6px 0 14px;max-width:52em}
.when-list{margin:10px 0 0;padding-left:20px;display:grid;gap:4px}

/* annotation mode */
.anno-on .blk,.anno-on .fhead{outline:2px dashed var(--sky);outline-offset:6px;border-radius:6px}
.anno-tag{display:none}
.anno-on .anno-tag{display:inline-flex;position:absolute;top:6px;right:0;z-index:5;background:var(--navy);color:var(--lime);font-size:12px;font-weight:700;border-radius:var(--r-pill);padding:2px 10px;gap:6px;align-items:center;box-shadow:var(--shadow-md)}
.anno-on .fhead{position:relative}
:root[data-theme="dark"] .anno-on .anno-tag{background:var(--lime);color:#0D1B2A}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .anno-on .anno-tag{background:var(--lime);color:#0D1B2A}}

/* syntax */
.syntax{font-family:var(--mono);font-size:clamp(15px,2.1vw,19px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;display:flex;flex-wrap:wrap;align-items:center;gap:2px 0;box-shadow:var(--shadow-sm)}
.syntax .fnn{font-weight:500;margin-right:1px}
.syntax .arg{padding:1px 6px;border-radius:6px;cursor:default;transition:background .2s}
.syntax .arg.opt{color:var(--ink-2)}
.syntax .arg.on,.syntax .arg:hover{background:var(--surface-2);color:var(--ink)}
.syn-tools{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px;font-size:13px;color:var(--ink-2)}
.seg{display:inline-flex;border:1px solid var(--line-2);border-radius:var(--r-pill);overflow:hidden}
.seg button{border:0;background:transparent;padding:6px 12px;cursor:pointer;min-height:34px;font-family:var(--mono)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}

/* tables */
.tbl-wrap{overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th{background:#0D1B2A;color:#F8FAFD;box-shadow:inset 0 -3px 0 #2486FF;text-align:left;font-weight:700;padding:10px 12px;white-space:nowrap}
table.tbl th:first-child{box-shadow:inset 6px 0 0 #D4F73F;padding-left:16px}
table.tbl td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
table.tbl td:first-child{padding-left:16px}
table.tbl tr.on td{background:var(--surface-2)}
table.tbl .code{font-family:var(--mono);color:var(--brand-ink);white-space:nowrap}

/* live example */
.tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:12px;scrollbar-width:thin}
.tabs button{flex:none;border:1px solid var(--line-2);background:var(--surface);border-radius:var(--r-pill);padding:8px 14px;cursor:pointer;min-height:40px;font-size:14px;white-space:nowrap}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.ex-desc{color:var(--ink-2);margin-bottom:12px}
.sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.fbar{display:flex;align-items:stretch;border-bottom:1px solid var(--line);background:var(--surface);min-height:46px}
.fbar .nbox{font-family:var(--mono);font-size:13px;padding:0 12px;display:flex;align-items:center;border-right:1px solid var(--line);min-width:64px;justify-content:center;color:var(--ink-2)}
.fbar .fxl{font-family:var(--mono);font-style:italic;color:var(--ink-2);padding:0 10px;display:flex;align-items:center;border-right:1px solid var(--line)}
.fbar .ftxt{flex:1;min-width:0;font-family:var(--mono);font-size:14px;padding:10px 12px;overflow-x:auto;white-space:nowrap;display:flex;align-items:center;gap:0}
.fbar .copy{border:0;border-left:1px solid var(--line);background:transparent;padding:0 14px;cursor:pointer;color:var(--ink-2)}
.fbar .copy:hover{color:var(--brand-ink)}
.tok-fn{font-weight:500}
.tok-str{color:var(--ink-2)}
.tok-num{color:var(--brand-ink)}
.tok-ref{border-radius:5px;padding:1px 5px;margin:0 1px;font-weight:500}
.tok-ref.r0{background:var(--ref0-bg);color:var(--ref0-fg)}
.tok-ref.r1{background:var(--ref1-bg);color:var(--ref1-fg)}
.tok-ref.r2{background:var(--ref2-bg);color:var(--ref2-fg)}
.tok-ref.r3{background:var(--ref3-bg);color:var(--ref3-fg);box-shadow:inset 0 0 0 1.5px var(--ref3)}
.sheet-body{display:grid;grid-template-columns:minmax(0,1fr) 300px}
@media (max-width:900px){.sheet-body{grid-template-columns:minmax(0,1fr)}.panel{order:-1;border-left:0!important;border-bottom:1px solid var(--line)}}
.gridwrap{overflow:auto;position:relative;max-height:520px}
table.grid{border-collapse:separate;border-spacing:0;font-size:calc(13.5px * var(--z,1));line-height:1.5;min-width:100%}
table.grid th,table.grid td{border-right:1px solid var(--grid-line);border-bottom:1px solid var(--grid-line);padding:calc(6px * var(--z,1)) calc(10px * var(--z,1));white-space:pre;height:calc(34px * var(--z,1))}
table.grid thead th{position:sticky;top:0;z-index:4;background:var(--grid-head);color:var(--ink-2);font-weight:500;font-family:var(--mono);font-size:calc(12px * var(--z,1));text-align:center;border-bottom:1px solid var(--grid-line-2);height:calc(26px * var(--z,1));padding:calc(3px * var(--z,1)) calc(10px * var(--z,1))}
table.grid tbody th{position:sticky;left:0;z-index:2;background:var(--grid-head);color:var(--ink-2);font-weight:500;font-family:var(--mono);font-size:calc(12px * var(--z,1));text-align:center;min-width:calc(40px * var(--z,1));border-right:1px solid var(--grid-line-2)}
table.grid thead th.corner{left:0;z-index:5}
table.grid td.h{font-weight:700;background:var(--surface-3)}
table.grid td.num{text-align:right;font-variant-numeric:tabular-nums;font-family:"Google Sans",var(--font)}
table.grid td.txtnum{text-align:left;position:relative}
table.grid td.txtnum::before{content:"";position:absolute;left:0;top:0;border-top:7px solid #B8D930;border-right:7px solid transparent}
table.grid td.fcell{background:var(--lime-2);color:#0D1B2A;font-weight:600;cursor:pointer}
table.grid td.edit{cursor:text}
table.grid td.edit:hover{box-shadow:inset 0 0 0 1px var(--line-2)}
table.grid td.sel{box-shadow:inset 0 0 0 2px var(--ink)!important}
table.grid td input{width:100%;min-width:80px;border:0;background:var(--surface);font:inherit;padding:0;outline:2px solid var(--focus)}
table.grid td.m-scan{background:var(--scan-bg)}
table.grid td.m-miss{color:var(--ink-3);text-decoration:line-through;text-decoration-color:var(--ink-3)}
table.grid td.m-hit{background:var(--hit-bg)!important;color:var(--hit-fg)!important;font-weight:700}
table.grid td.m-near{background:var(--ref3-bg)!important;box-shadow:inset 0 0 0 2px var(--sky)!important;font-weight:700}
table.grid td.m-result{background:var(--result-bg)!important;color:var(--result-fg)!important;font-weight:700}
table.grid td.m-col{background:var(--surface-2)}
table.grid td.m-skip{box-shadow:inset 0 0 0 2px var(--ink-3)!important;color:var(--ink-2)}
table.grid td.m-drag{background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--brand)}
.anim table.grid td.m-miss,.anim table.grid td.m-hit,.anim table.grid td.m-near{animation:pop .35s both;animation-delay:calc(var(--d,0) * 120ms)}
@keyframes pop{from{background:var(--surface)}}
.refbox{position:absolute;pointer-events:none;border:2px solid;border-radius:3px;z-index:1}
.refbox.r0{border-color:var(--ref0)} .refbox.r1{border-color:var(--ref1)} .refbox.r2{border-color:var(--ref2)} .refbox.r3{border-color:var(--ref3);border-style:dashed}
.refbox span{position:absolute;top:-10px;right:4px;font-family:var(--mono);font-size:10px;padding:0 5px;border-radius:4px;line-height:16px}
.refbox.r0 span{background:var(--ref0-bg);color:var(--ref0-fg)} .refbox.r1 span{background:var(--ref1-bg);color:var(--ref1-fg)} .refbox.r2 span{background:var(--ref2-bg);color:var(--ref2-fg)} .refbox.r3 span{background:var(--ref3-bg);color:var(--ref3-fg)}
.panel{border-left:1px solid var(--line);padding:14px;display:grid;gap:10px;align-content:start;background:var(--surface-3)}
.panel .ph{font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--ink-2);text-transform:uppercase}
.pcell{display:grid;gap:4px}
.pcell label,.pcell .lab{font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}
.addr{font-family:var(--mono);font-size:11px;border-radius:5px;padding:0 6px;background:var(--surface);border:1px solid var(--line-2);color:var(--ink-2);font-weight:500}
.pcell input{border:2px solid #005CFF;background:var(--surface-2);border-radius:var(--r-sm);padding:8px 10px;font-weight:700;min-height:42px;width:100%}
:root[data-theme="dark"] .pcell input{border-color:#48B0FF}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .pcell input{border-color:#48B0FF}}
.pres{display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid var(--lime-3);background:var(--lime);color:#0D1B2A;border-radius:var(--r-sm);padding:8px 10px;font-weight:800;min-height:42px;cursor:pointer;text-align:left;width:100%;font-variant-numeric:tabular-nums}
.pres.err{background:var(--surface);color:var(--ink);border:2px dashed var(--ink-3)}
.pres[aria-pressed="true"]{box-shadow:0 0 0 3px var(--ink)}
.pres small{font-weight:500;font-size:11px;font-family:var(--mono);opacity:.8}
.phint{font-size:12px;color:var(--ink-2)}
.opts{display:grid;gap:8px;border-top:1px dashed var(--line-2);padding-top:10px}
.opts select{border:1px solid var(--line-2);background:var(--surface);border-radius:var(--r-sm);padding:6px 8px;min-height:38px;width:100%}
.sheet-foot{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:10px 14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2)}

/* explanation values (step bar and step list) */
.arr{display:inline-flex;gap:3px;flex-wrap:wrap;vertical-align:middle}
.arr i{font-style:normal;font-family:var(--mono);font-size:11px;border-radius:4px;padding:0 5px;background:var(--surface-2);color:var(--ink-2)}
.arr i.t{background:var(--hit-bg);color:var(--hit-fg)}

/* notes, errors, tips */
.notes{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:6px}
.notes li{padding-left:18px;position:relative;color:var(--ink-2)}
.notes li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--lime-3)}
.errs{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:760px){.errs{grid-template-columns:minmax(0,1fr)}}
.err{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;display:grid;gap:6px}
.err .code{font-family:var(--mono);font-weight:500;font-size:15px}
.err .c{font-size:14px;color:var(--ink-2)}
.err .f{font-size:14px}
.tips{display:grid;gap:12px}
.tip{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.tip svg{width:22px;height:22px;stroke:var(--brand-ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.fcode{font-family:var(--mono);font-size:13px;background:var(--surface-3);border:1px solid var(--line);border-radius:6px;padding:1px 6px;overflow-wrap:anywhere}

/* download + video + quiz */
.dl{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:var(--navy);color:#F8FAFD;border-radius:var(--r-lg);padding:20px 22px}
@media (max-width:760px){.dl{grid-template-columns:minmax(0,1fr)}}
.dl .file{width:56px;height:68px;border-radius:8px;background:var(--lime);color:#0D1B2A;display:grid;place-items:center;font-family:var(--mono);font-weight:700;font-size:14px;position:relative}
.dl .file::after{content:"";position:absolute;right:0;top:0;border-top:14px solid #0D1B2A;border-left:14px solid transparent}
.dl h3{font-size:18px}
.dl .sheets{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.dl .sheets span{font-size:12px;border:1px solid #1A2D42;background:#132638;border-radius:var(--r-pill);padding:1px 10px;color:#B7C3D4}
.dl .fmeta{font-size:13px;color:#B7C3D4;margin-top:6px}
.dl-msg{font-size:13px;color:#B7C3D4;margin-top:6px}
.ex-list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.ex-list li{display:grid;grid-template-columns:70px 1fr;gap:10px;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line-2)}
.ex-list li b{font-family:var(--mono);font-weight:500;color:var(--ink-2)}
.video{display:grid;grid-template-columns:200px 1fr;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px}
@media (max-width:640px){.video{grid-template-columns:minmax(0,1fr)}}
.video .thumb{aspect-ratio:16/9;max-width:100%;border-radius:var(--r-md);background:var(--navy);display:grid;place-items:center;position:relative;overflow:hidden}
.video .thumb::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#1A2D42 1px,transparent 1px),linear-gradient(90deg,#1A2D42 1px,transparent 1px);background-size:40px 14px}
.video .thumb span{position:relative;width:48px;height:48px;border-radius:50%;background:var(--lime);display:grid;place-items:center}
.video .thumb span::after{content:"";border-left:14px solid #0D1B2A;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.quiz{display:grid;gap:14px}
.q{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.q p{font-weight:700;margin-bottom:10px;overflow-wrap:anywhere}
.q .opts2{display:grid;gap:8px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:600px){.q .opts2{grid-template-columns:minmax(0,1fr)}}
.q button{border:1px solid var(--line-2);background:var(--surface);border-radius:var(--r-sm);padding:10px 12px;text-align:left;cursor:pointer;min-height:44px;overflow-wrap:anywhere;min-width:0}
.q button:hover{border-color:var(--brand)}
.q button.ok{background:var(--lime);border-color:var(--lime-3);color:#0D1B2A;font-weight:700}
.q button.no{border-style:dashed;color:var(--ink-3);text-decoration:line-through}
.q button[aria-disabled="true"]{cursor:default}
.q .why{font-size:14px;color:var(--ink-2);margin-top:10px;overflow-wrap:anywhere}
.rel{display:flex;flex-wrap:wrap;gap:8px}
.cta-strip{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;margin-top:16px}
.fb{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px;font-size:14px}

/* generic page */
.page{padding-block:28px 48px;display:grid;gap:18px;max-width:900px}
.page h1{font-size:clamp(28px,4vw,40px);font-weight:800}
.stub{background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--r-md);padding:14px 16px;color:var(--ink-2)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 16px;font-size:14px;margin:0}
@media (max-width:560px){.kv{grid-template-columns:minmax(0,1fr)}}
.kv dt{color:var(--ink-2)} .kv dd{margin:0}

/* search dialog */
.sd{position:fixed;inset:0;z-index:60;background:rgba(13,27,42,.55);display:flex;align-items:flex-start;justify-content:center;padding:calc(env(safe-area-inset-top,0px) + 8vh) 16px 16px}
.sd[hidden]{display:none!important}
.sd .box{width:min(760px,100%);background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--line)}
.sd .fxbar{box-shadow:none;border-radius:0;max-width:none;border:0;border-bottom:1px solid var(--line)}
.results{max-height:60vh;overflow:auto;padding:8px}
.rgroup{padding:6px 8px 2px;font-size:12px;font-weight:700;letter-spacing:.05em;color:var(--ink-2);text-transform:uppercase}
.ritem{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 10px;border-radius:var(--r-sm);text-decoration:none;color:var(--ink);cursor:pointer}
.ritem .rn{font-family:var(--mono);font-weight:500;min-width:92px}
.ritem .rs{font-size:14px;color:var(--ink-2)}
.ritem.act,.ritem:hover{background:var(--surface-2)}
.tokline{font-size:12px;color:var(--ink-2);padding:8px 16px;border-bottom:1px solid var(--line);display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.tokline i{font-style:normal;border:1px solid var(--line-2);border-radius:5px;padding:0 6px;color:var(--ink)}
.noresult{padding:18px 16px;color:var(--ink-2);display:grid;gap:10px}
.sd-foot{display:flex;gap:14px;flex-wrap:wrap;padding:8px 16px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-2)}

/* footer + toast */
footer.site{border-top:1px solid var(--line);margin-top:40px;background:var(--surface)}
footer.site .wrap{padding-block:28px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:end}
@media (max-width:700px){footer.site .wrap{grid-template-columns:minmax(0,1fr)}}
footer.site img{height:36px;width:auto}
footer.site .logo-l{display:var(--logo-light)} footer.site .logo-d{display:var(--logo-dark)}
footer.site p{font-size:13px;color:var(--ink-2)}
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 20px);transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:var(--r-pill);font-size:14px;z-index:80;box-shadow:var(--shadow-lg)}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
/* assembled additions */
[hidden]{display:none!important}
.skip{position:absolute;left:16px;top:-80px;z-index:100;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:var(--r-sm);text-decoration:none;font-weight:700}
.skip:focus{top:calc(env(safe-area-inset-top,0px) + 8px)}
.sig{display:block;background-repeat:no-repeat;background-size:contain;background-position:left center;flex:none}
.sig-l{background-image:var(--sig-nineblue);display:var(--logo-light)}
.sig-d{background-image:var(--sig-cloud);display:var(--logo-dark)}
.brand .sig{width:124px;height:44px}
.brand-sep{width:1px;height:28px;background:var(--line-2);flex:none}
.brand-name b{font-size:16px;font-weight:700;white-space:nowrap}
footer.site .sig{width:132px;height:47px}
footer.site .fcol{display:grid;gap:10px;justify-items:start}
footer.site .contact{font-size:13px;color:var(--ink-2);line-height:1.7}
footer.site .contact a{color:inherit}
footer.site .tagline{font-family:"Google Sans",var(--font);font-weight:700;font-size:15px;color:var(--ink);text-align:right}
footer.site .tagline small{display:block;font-weight:400;font-size:12px;color:var(--ink-2);font-family:var(--font)}
@media (max-width:700px){footer.site .tagline{text-align:left}}
/* panel rings follow the formula colours */
.pcell.r0 input,.pcell.r0 .pres{outline:3px solid var(--ref0);outline-offset:2px}
.pcell.r1 input,.pcell.r1 .pres{outline:3px solid var(--ref1);outline-offset:2px}
.pcell.r2 input,.pcell.r2 .pres{outline:3px solid var(--ref2);outline-offset:2px}
.pcell.r3 input,.pcell.r3 .pres{outline:3px dashed var(--ref3);outline-offset:2px}
.pcell.m-hit input,.pcell.m-hit .pres{background:var(--hit-bg);color:var(--hit-fg);border-color:var(--hit-bg)}
.pcell.m-result .pres{animation:ring 1.1s ease-out 1}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(212,247,63,.95)}100%{box-shadow:0 0 0 12px rgba(212,247,63,0)}}
.dl-off{font-size:13px;color:var(--ink-2);align-self:center;max-width:240px}
.dl .dl-off{color:#B7C3D4}
/* step strip inside the sheet: highlights and explanation stay in view together */
.stepbar{display:flex;align-items:center;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--surface-3);font-size:14px;min-height:52px}
.stepbar .sb-n{flex:none;font-family:var(--mono);font-size:12px;font-weight:500;background:var(--ink);color:var(--bg);border-radius:var(--r-pill);padding:2px 10px;white-space:nowrap}
.stepbar .sb-t{flex:1;min-width:0;color:var(--ink-2);line-height:1.5}
.stepbar .sb-t > b{color:var(--ink);margin-right:6px}
.stepbar .sb-t .v{font-family:var(--mono);color:var(--ink);font-weight:500}
.stepbar .sb-t b{color:var(--ink)}
.stepbar .sb-ctl{display:flex;gap:6px;flex:none}
.stepbar .btn:disabled{opacity:.45;cursor:default;transform:none;box-shadow:none}
@media (max-width:640px){.stepbar{flex-wrap:wrap}.stepbar .sb-t{flex-basis:100%;order:3}.stepbar .sb-ctl{margin-left:auto}}

/* sheet: sticky step strip, collapsible options, compact phone grid */
.sheet{overflow:hidden;overflow:clip}
.stepbar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 60px);z-index:5}
details.opts > summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:32px}
details.opts > summary::-webkit-details-marker{display:none}
details.opts > summary::after{content:"+";font-family:var(--mono);font-size:16px;color:var(--ink-2)}
details.opts[open] > summary::after{content:"–"}
@media (max-width:640px){table.grid td{max-width:calc(150px * var(--z,1));overflow:hidden;text-overflow:ellipsis}}
/* icons: one line-icon set, one colour role (brand ink on a light tile) */
.li{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.li.sm{width:16px;height:16px}
.ic-tile{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--surface-2);color:var(--brand-ink);flex:none;transition:background .2s,color .2s}
.ic-tile .li{width:22px;height:22px}
.ic-tile.sm{width:34px;height:34px;border-radius:10px}
.ic-tile.sm .li{width:19px;height:19px}
.cat{flex-direction:row;align-items:center;gap:14px;padding:14px}
.cat .ic-tile{color:var(--brand-ink);font-size:inherit}
.cat:hover .ic-tile{background:var(--brand-ink);color:var(--surface)}
.cat .cat-t{display:flex;flex-direction:column;gap:2px;min-width:0;color:var(--ink);font-size:inherit}
.cat .cat-t > span{font-size:13px;color:var(--ink-2)}
.filters .chip .li{margin-left:-2px}
.toc a{display:flex;align-items:center;gap:10px;transition:color .2s,border-color .2s,background .2s}
.toc a .li{width:16px;height:16px;color:var(--ink-3)}
.toc a:hover .li{color:var(--brand-ink)}
.toc a.on{color:var(--ink);border-left-color:var(--brand-ink);font-weight:600;background:var(--surface-2);border-radius:0 8px 8px 0}
.toc a.on .li{color:var(--brand-ink)}
.blk > h2{display:flex;align-items:center;gap:12px}
.nw{white-space:nowrap}
.cat .ic-tile{width:40px;height:40px;border-radius:11px}
.cat .cat-t b .nw{font-size:inherit;color:inherit}
@media (max-width:640px){.cat{flex-direction:column;align-items:flex-start;gap:10px}.cat .ic-tile{width:36px;height:36px;border-radius:10px}.cat .ic-tile .li{width:20px;height:20px}}

/* home: the full pages as one grid in learning order (4 x 4, 2 x 8 on tablets, 1 column on phones) */
.fgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
@media (max-width:1060px){.fgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.fgrid{grid-template-columns:minmax(0,1fr)}}
.fc{display:flex;flex-direction:column;gap:6px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);text-decoration:none;color:var(--ink);box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s,transform .2s}
.fc:hover{border-color:var(--brand);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.fc .fname{font-family:var(--mono);font-size:19px;font-weight:500;line-height:1.3}
.fc .fsum{color:var(--ink-2);font-size:13.5px;line-height:1.55;flex:1}
.fc .fmeta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:4px}
.fc .fmeta .n{font-size:12px;color:var(--ink-2);margin-left:auto;white-space:nowrap}
/* spill results: anchor keeps the formula colour, spilled cells a lighter tint, a dashed frame around the whole result */
:root{--spill-bg:color-mix(in srgb,#E4FF6B 34%,#FFFFFF);--spill-line:#005CFF}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--spill-bg:color-mix(in srgb,#D4F73F 14%,#132638);--spill-line:#48B0FF}}
:root[data-theme="dark"]{--spill-bg:color-mix(in srgb,#D4F73F 14%,#132638);--spill-line:#48B0FF}
table.grid td.spill{background:var(--spill-bg);color:var(--ink);cursor:pointer}
table.grid td.fcell.anchor{box-shadow:inset 3px 0 0 var(--spill-line)}
table.grid td.hout{background:var(--navy);color:var(--lime);border-bottom-color:var(--navy)}
table.grid tr.caprow td.cap{font-size:calc(12.5px * var(--z,1));color:var(--ink-2);background:var(--surface);font-weight:600;letter-spacing:.01em;padding-top:calc(8px * var(--z,1))}
table.grid tr.caprow td.cap span{position:sticky;left:calc(52px * var(--z,1));display:inline-block}
.spillbox{position:absolute;pointer-events:none;border:2px dashed var(--spill-line);border-radius:3px;z-index:1}
.pres.pout{display:grid;grid-template-columns:1fr auto;align-items:center}
.pres.pout small{white-space:nowrap}
.pcell select[data-cell]{border:2px solid #005CFF;background:var(--surface-2);border-radius:var(--r-sm);padding:8px 10px;font-weight:700;min-height:42px;width:100%}
:root[data-theme="dark"] .pcell select[data-cell]{border-color:#48B0FF}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .pcell select[data-cell]{border-color:#48B0FF}}
.pcell.r0 select[data-cell]{outline:3px solid var(--ref0);outline-offset:2px}
.pcell.r1 select[data-cell]{outline:3px solid var(--ref1);outline-offset:2px}
.pcell.r2 select[data-cell]{outline:3px solid var(--ref2);outline-offset:2px}
.pcell.r3 select[data-cell]{outline:3px dashed var(--ref3);outline-offset:2px}
.pcell.m-hit select[data-cell]{background:var(--hit-bg);color:var(--hit-fg);border-color:var(--hit-bg)}

/* status colours. Error red is a scoped exception to the CI (the CI has no red): icons in the errors block only.
   Tips and "available" use the CI lime, which the CI already uses for the positive side. */
:root{--err:#E11D48;--err-bg:color-mix(in srgb,#E11D48 10%,#FFFFFF)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--err:#FB7185;--err-bg:color-mix(in srgb,#FB7185 16%,#132638)}}
:root[data-theme="dark"]{--err:#FB7185;--err-bg:color-mix(in srgb,#FB7185 16%,#132638)}
.ic-tile.t-err{background:var(--err-bg);color:var(--err)}
.ic-tile.t-tip{background:var(--lime);color:#0D1B2A}
.st-ic{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;flex:none}
.st-ic .li{width:17px;height:17px}
.st-err{background:var(--err-bg);color:var(--err)}
.st-tip{background:var(--lime);color:#0D1B2A}
.err .code{display:flex;align-items:center;gap:10px}
.tip{align-items:center}
/* version table: icons centred in each version column */
table.tbl-ver td:not(:first-child),table.tbl-ver th:not(:first-child){text-align:center}
.vi{display:inline-grid;place-items:center;vertical-align:middle}
.vi svg{width:26px;height:26px;stroke-linecap:round;stroke-linejoin:round}
.vi.ok circle{fill:var(--lime);stroke:var(--lime-3);stroke-width:1}
.vi.ok path{fill:none;stroke:#0D1B2A;stroke-width:2.4}
.vi.no circle{fill:none;stroke:var(--ink-3);stroke-width:1.6}
.vi.no path{fill:none;stroke:var(--ink-3);stroke-width:2}
.tip .st-ic svg{stroke:currentColor;width:17px;height:17px;margin-top:0;stroke-width:1.9}
/* rows hidden in the practice file (SUBTOTAL / AGGREGATE examples): dimmed with a hatch */
table.grid tr.hid td{opacity:.55;background-image:repeating-linear-gradient(135deg,transparent 0 7px,var(--line) 7px 8px)}
table.grid tr.hid th{color:var(--ink-3);font-style:italic}

/* steps inside the example: the bar sits on top of the grid, every step is listed in the panel */
.stepbar .sb-ctl .btn{gap:4px;padding:6px 10px}
.stepbar .sb-ctl .btn .li{width:16px;height:16px}
.stepbar .sb-empty{color:var(--ink-2)}
@media (max-width:640px){
  .stepbar{gap:8px 10px;padding:8px 10px}
  .stepbar .sb-ctl .btn{min-height:40px}
  #stPrev,#stPlay{width:40px;padding:0}
  #stPrev .t,#stPlay .t{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}
.psteps{position:relative}
.psteps > summary .n{font-family:var(--mono);font-weight:500;letter-spacing:0}
.steplist{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.steplist li.empty{font-size:13px;color:var(--ink-2)}
.steplist button{display:grid;grid-template-columns:22px minmax(0,1fr);gap:8px;align-items:start;width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:var(--r-sm);padding:6px 8px;cursor:pointer;color:var(--ink-2);font-size:13px;line-height:1.5}
.steplist button:hover{border-color:var(--line-2);background:var(--surface)}
.steplist .no{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:500;background:var(--surface-2);color:var(--ink)}
.steplist .no .li{width:13px;height:13px;stroke-width:2.6}
.steplist .tx{min-width:0;overflow-wrap:anywhere}
.steplist .tx > b{display:block;color:var(--ink);font-size:13px;line-height:1.45}
.steplist .d b{color:var(--ink)}
.steplist .v{font-family:var(--mono);color:var(--ink);font-weight:500}
.steplist li.done .tx > b{color:var(--ink-2);font-weight:600}
.steplist li.done .no{background:transparent;color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line-2)}
.steplist li.cur button{background:var(--surface);border-color:var(--ink);box-shadow:var(--shadow-sm)}
.steplist li.cur .no{background:var(--ink);color:var(--bg)}
.anno-on .psteps{outline:2px dashed var(--sky);outline-offset:4px;border-radius:6px}
.anno-on .psteps .anno-tag{top:-14px;right:22px}
/* wide screens: grid and panel share one row sized to the screen, the panel scrolls on its own */
:root{--lv-h:clamp(420px,calc(100vh - 190px),600px)}
@media (min-width:901px){
  .sheet-body{height:var(--lv-h)}
  .sheet-body > .gridwrap{max-height:none}
  .sheet-body > .panel{overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
}
/* stacked (phones, small tablets): inputs first, then the step bar directly above the grid */
@media (max-width:900px){
  .sheet{display:flex;flex-direction:column}
  .sheet-body{display:contents}
  .sheet > .fbar{order:0}
  .sheet-body > .panel{order:1}
  .sheet > .stepbar{order:2}
  .sheet-body > .gridwrap{order:3}
  .sheet > .sheet-foot{order:4}
}

/* frozen rows: the column letters and the data header row 4 stay in view while the grid scrolls */
table.grid tr.hrow > *{position:sticky;top:var(--hh,26px)}
.gridwrap.vs table.grid tr.hrow > td{z-index:3}
table.grid tr.hrow > th{left:0;z-index:4}
table.grid tr.hrow > td:not(.h){background:var(--surface)}
table.grid tr.hrow > *{box-shadow:inset 0 -1px 0 var(--grid-line-2)}
table.grid th.spare{min-width:calc(76px * var(--z,1))}
.gridwrap,.panel{scrollbar-width:thin}
.fbar .copy .li{width:18px;height:18px}
/* status bar: hint, zoom (Excel-style, bottom right), data source */
.sheet-foot{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 14px;align-items:center}
.sheet-foot .src{grid-column:1 / -1;font-size:12px}
@media (max-width:640px){.sheet-foot{grid-template-columns:minmax(0,1fr)}.sheet-foot .zoom{justify-self:start}}
.zoom{display:inline-flex;align-items:center;gap:2px;border:1px solid var(--line-2);border-radius:var(--r-pill);padding:2px;background:var(--surface)}
.zoom .zb{width:30px;height:30px;border:0;border-radius:50%;background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.zoom .zb:hover:not(:disabled){background:var(--surface-2)}
.zoom .zb:disabled{opacity:.35;cursor:default}
.zoom .zb .li{width:15px;height:15px}
.zoom .zv{min-width:46px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--ink)}
.zoom .zfit{border:0;background:transparent;color:var(--ink);min-height:30px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;cursor:pointer;margin-left:2px;box-shadow:inset 1px 0 0 var(--line-2)}
.zoom .zfit:hover{color:var(--brand-ink)}
.zoom .zfit[aria-pressed="true"]{background:var(--ink);color:var(--bg);box-shadow:none}
/* workspace: the example as a full-window dialog */
html.ws-lock,html.ws-lock body{overflow:hidden}
.ws-layer{position:fixed;inset:0;z-index:55;display:flex;flex-direction:column;background:var(--surface);color:var(--ink);animation:wsin .16s ease-out}
@keyframes wsin{from{opacity:0}}
.wsbar{flex:none;display:flex;align-items:center;gap:10px;padding:8px 14px;padding-top:calc(8px + env(safe-area-inset-top,0px));background:#0D1B2A;color:#F8FAFD;min-height:52px;color-scheme:dark;border-bottom:1px solid #1A2D42}
.wsbar .ws-t{font-family:var(--mono);font-weight:500;font-size:17px;color:#D4F73F;letter-spacing:0;white-space:nowrap}
.wsbar .ws-t:focus{outline:none}
.wsbar .ws-t:focus-visible{outline:2px solid #48B0FF;outline-offset:3px}
.wsbar select{min-width:0;max-width:min(440px,42vw);min-height:36px;border:1px solid #1A2D42;background:#132638;color:#F8FAFD;border-radius:var(--r-sm);padding:4px 10px;font-size:14px}
.wsbar .sp{flex:1}
.wbtn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 12px;border-radius:var(--r-sm);border:1px solid #1A2D42;background:#132638;color:#F8FAFD;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap}
.wbtn:hover:not(:disabled){border-color:#48B0FF}
.wbtn:disabled{opacity:.45;cursor:default}
.wbtn.pri{background:#D4F73F;border-color:#D4F73F;color:#0D1B2A}
.wbtn.pri:hover{background:#E4FF6B;border-color:#E4FF6B}
.wbtn .li{width:16px;height:16px}
.wbtn kbd{font-family:var(--mono);font-size:11px;font-weight:500;border:1px solid rgba(13,27,42,.4);border-radius:5px;padding:0 5px;line-height:1.5}
.ws-layer > .sheet{flex:1;min-height:0;display:flex;flex-direction:column;border:0;border-radius:0;box-shadow:none}
.ws-layer .stepbar{position:static}
.ws-layer .sheet-body{flex:1;min-height:0;height:auto}
.ws-layer .gridwrap{max-height:none}
.ws-layer .sheet-foot{padding:6px 14px}
.ws-layer .sheet-foot .src{display:none}
/* the panel's bottom-sheet handle, used only by the phone workspace */
:root{--peek:60px}
.pbody{display:grid;gap:10px;align-content:start;min-width:0}
.psheet{display:none}
@media (max-width:900px){
  .wsbar{gap:6px;padding:6px 8px;padding-top:calc(6px + env(safe-area-inset-top,0px))}
  .wsbar .ws-t{font-size:15px}
  .wsbar select{flex:1;max-width:none}
  .wsbar .sp{display:none}
  .wbtn{min-width:40px;min-height:40px;padding:0 9px}
  .wbtn .t,.wbtn kbd{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .ws-layer > .sheet{position:relative}
  .ws-layer .sheet-body > .gridwrap{flex:1;min-height:0;padding-bottom:var(--peek)}
  .ws-layer .sheet-foot{display:none}
  .ws-layer .sheet-body > .panel{position:absolute;left:0;right:0;bottom:0;z-index:8;max-height:72%;overflow:auto;overscroll-behavior:contain;padding:0 14px 14px;gap:10px;border:0;border-top:1px solid var(--line-2);border-radius:16px 16px 0 0;box-shadow:0 -8px 24px rgba(13,27,42,.2);transform:translateY(calc(100% - var(--peek)));transition:transform .25s ease}
  .ws-layer .sheet-body > .panel.open{transform:none}
  .ws-layer .psheet{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:10px;width:calc(100% + 28px);margin:0 -14px;min-height:var(--peek);padding:16px 16px 8px;border:0;border-bottom:1px solid var(--line);background:var(--surface-3);color:var(--ink);font-size:14px;text-align:left;cursor:pointer;touch-action:none}
  .psheet .grip{position:absolute;top:7px;left:50%;width:40px;height:4px;border-radius:2px;background:var(--line-2);transform:translateX(-50%)}
  .psheet .psum{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-2)}
  .psheet .psum b{color:var(--ink);font-variant-numeric:tabular-nums}
  .psheet .li{transition:transform .2s}
  .panel.open .psheet .li{transform:rotate(180deg)}
}
/* formula bar: click the formula to edit it; ✕ / ✓ while editing; ↺ reset */
.fbar .ftxt[role="button"]{cursor:text;transition:background .15s}
.fbar .ftxt[role="button"]:hover{background:var(--surface-3)}
.fbar .ftxt[role="button"]:focus-visible{outline:2px solid var(--focus);outline-offset:-2px;border-radius:0}
.fbar .copy:disabled{opacity:.35;cursor:default;color:var(--ink-2)}
.fbar .fxb{border:0;border-right:1px solid var(--line);background:transparent;width:40px;display:grid;place-items:center;cursor:pointer;color:var(--ink-2);padding:0}
.fbar .fxb:hover{color:var(--ink);background:var(--surface-3)}
.fbar .fxb.ok{color:var(--brand-ink)}
.fbar.editing .ftxt,.fbar.editing .copy{display:none}
.tok-fn.unk{text-decoration:underline wavy var(--err);text-underline-offset:4px}
@media (max-width:640px){.fbar .fedit{display:none}}
@media (max-width:420px){.fbar .fxl{display:none}.fbar .nbox{min-width:52px;padding:0 8px}.fbar .copy{padding:0 11px}}
/* the editor: transparent input over a coloured copy of its text (the copy has no padding, so characters line up) */
.fxe{position:relative;display:grid;align-items:center;min-width:0;overflow:hidden;background:var(--surface)}
.fxe > *{grid-area:1 / 1}
.fxe-hl,.fxe-in{font-family:var(--mono);font-size:14px;line-height:24px;height:24px;letter-spacing:0;padding:0 12px;font-kerning:none;font-variant-ligatures:none;white-space:pre;margin:0}
.fxe-hl{overflow:hidden;pointer-events:none;color:var(--ink)}
.fxe-hl > span{display:inline-block;white-space:pre}
.fxe-in{border:0;outline:0;background:transparent;color:transparent;caret-color:var(--ink);width:100%;min-width:0;-webkit-text-fill-color:transparent}
.fxe-in::selection{background:color-mix(in srgb,var(--sky) 38%,transparent)}
.fbar .fxe{flex:1;align-self:stretch;box-shadow:inset 0 0 0 2px var(--focus)}
.gridwrap .fxe-cell{position:absolute;z-index:3;box-shadow:0 0 0 2px var(--focus),var(--shadow-md);border-radius:2px}
.gridwrap .fxe-cell .fxe-hl,.gridwrap .fxe-cell .fxe-in{font-size:calc(13.5px * var(--z,1));padding:0 calc(9px * var(--z,1));height:calc(30px * var(--z,1));line-height:calc(30px * var(--z,1))}
.fxe-hl .fn{color:var(--ink)}
.fxe-hl .fn.unk{text-decoration:underline wavy var(--err);text-underline-offset:4px}
.fxe-hl .rf{border-radius:3px}
.fxe-hl .rf.r0{background:var(--ref0-bg);color:var(--ref0-fg);box-shadow:0 0 0 1px var(--ref0-bg)}
.fxe-hl .rf.r1{background:var(--ref1-bg);color:var(--ref1-fg);box-shadow:0 0 0 1px var(--ref1-bg)}
.fxe-hl .rf.r2{background:var(--ref2-bg);color:var(--ref2-fg);box-shadow:0 0 0 1px var(--ref2-bg)}
.fxe-hl .rf.r3{background:var(--ref3-bg);color:var(--ref3-fg);box-shadow:0 0 0 1px var(--ref3)}
.fxe-hl .st{color:var(--ink-2)}
.fxe-hl .nm{color:var(--brand-ink)}
.fxe-hl .na{color:var(--ink);text-decoration:underline dotted var(--ink-3);text-underline-offset:4px}
.fxe-hl .bad{text-decoration:underline wavy var(--err);text-underline-offset:4px;text-decoration-thickness:2px}
/* popover under the editor: message, matching functions, syntax with the current argument */
.fx-pop{position:fixed;z-index:62;width:max-content;min-width:240px;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);border-radius:var(--r-md);box-shadow:var(--shadow-lg);font-size:13px;line-height:1.5;overflow:hidden}
.fx-pop > * + *{border-top:1px solid var(--line)}
.fx-pop .msg{display:flex;gap:8px;align-items:center;padding:8px 12px;background:var(--err-bg);font-weight:600}
.fx-pop .msg .st-ic{width:24px;height:24px;background:transparent}
.fx-pop .ac{list-style:none;margin:0;padding:4px;max-height:236px;overflow:auto}
.fx-pop .ac li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:baseline;padding:5px 8px;border-radius:6px;cursor:pointer;max-width:500px}
.fx-pop .ac li[aria-selected="true"],.fx-pop .ac li:hover{background:var(--surface-2)}
.fx-pop .ac b{font-family:var(--mono);font-weight:500}
.fx-pop .ac span{color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12.5px}
.fx-pop .syn{padding:8px 12px;max-width:500px}
.fx-pop .syn .ln{font-family:var(--mono);font-size:13px;overflow-wrap:anywhere}
.fx-pop .syn .fnn{font-weight:500}
.fx-pop .syn .a{border-radius:4px;padding:0 3px}
.fx-pop .syn .a.opt{color:var(--ink-2)}
.fx-pop .syn .a.on{background:var(--ink);color:var(--bg);font-weight:500}
.fx-pop .syn .sum{color:var(--ink-2);font-size:12.5px;margin-top:2px}
.fx-pop .syn .warn{font-size:12.5px;margin-top:4px;color:var(--ink);font-weight:600}
/* #NAME? and circular-reference notes under the formula bar */
.fx-note{display:flex;gap:10px;align-items:flex-start;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--err-bg);font-size:13.5px;line-height:1.6}
.fx-note .st-ic{width:26px;height:26px;margin-top:-1px}
.fx-note .tx{display:grid;gap:4px;min-width:0}
.fx-note .code{font-family:var(--mono);font-weight:500}
.fx-note .near{white-space:normal}
.fx-note .near button{font-family:var(--mono);font-size:12.5px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:var(--r-pill);padding:1px 10px;margin:2px 0 2px 6px;cursor:pointer;min-height:28px}
.fx-note .near button:hover{border-color:var(--brand);color:var(--brand-ink)}
.fx-note summary{cursor:pointer;color:var(--brand-ink);font-weight:600;width:max-content;max-width:100%}
.fx-note .all{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;max-height:132px;overflow:auto;padding:2px}
.fx-note .all code{font-size:12px;border:1px solid var(--line-2);border-radius:5px;padding:0 6px;background:var(--surface)}
/* the reader's own formulas: a corner mark, like a note in Excel */
table.grid td.user{position:relative}
table.grid td.user::after{content:"";position:absolute;top:0;right:0;border-top:9px solid var(--brand-ink);border-left:9px solid transparent}
.pcell.user .lab::after,.pcell.user label::after{content:"สูตรของคุณ";font-size:11px;font-weight:600;border-radius:var(--r-pill);padding:0 8px;background:var(--brand-ink);color:#FFFFFF;margin-left:auto}
:root[data-theme="dark"] .pcell.user .lab::after,:root[data-theme="dark"] .pcell.user label::after{color:#0D1B2A}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .pcell.user .lab::after,:root:not([data-theme="light"]) .pcell.user label::after{color:#0D1B2A}}
/* keyboard cursor in the grid */
table.grid td:focus{outline:none}
table.grid td:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}
table.grid td.spill:focus-visible{outline-style:dashed}
.ftxt.mirror .rf{border-radius:5px;padding:1px 5px;margin:0 1px;font-weight:500}
.ftxt.mirror .rf.r0{background:var(--ref0-bg);color:var(--ref0-fg)}
.ftxt.mirror .rf.r1{background:var(--ref1-bg);color:var(--ref1-fg)}
.ftxt.mirror .rf.r2{background:var(--ref2-bg);color:var(--ref2-fg)}
.ftxt.mirror .rf.r3{background:var(--ref3-bg);color:var(--ref3-fg);box-shadow:inset 0 0 0 1.5px var(--ref3)}
.ftxt.mirror .st{color:var(--ink-2)}
.ftxt.mirror .nm{color:var(--brand-ink)}
.ftxt.mirror .fn.unk{text-decoration:underline wavy var(--err);text-underline-offset:4px}
/* phones: 16 px text in inputs, so iOS does not zoom the page when an input gets focus */
@media (max-width:640px){.fxe-hl,.fxe-in,.gridwrap .fxe-cell .fxe-hl,.gridwrap .fxe-cell .fxe-in{font-size:16px}.pcell input,.pcell select{font-size:16px}}
/* forced colours (Windows high contrast): show the input's own text instead of the coloured copy */
@media (forced-colors: active){.fxe-hl{display:none}.fxe-in{color:CanvasText;-webkit-text-fill-color:CanvasText}.fxe{border:1px solid CanvasText}}

/* home: every category with its full pages */
.catgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:1100px){.catgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.catgrid{grid-template-columns:minmax(0,1fr)}}
.catb{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;display:grid;gap:12px;align-content:start}
.catb-h{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.catb-h b{font-size:16px}
.catb-h span:last-child{margin-left:auto;font-size:12.5px;color:var(--ink-2);white-space:nowrap}
.catb-h:hover b{color:var(--brand-ink)}
.catb-l{display:flex;flex-wrap:wrap;gap:6px}
.fchip{font-family:var(--mono);font-size:13px;padding:5px 10px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--surface-2);color:var(--ink);text-decoration:none;white-space:nowrap}
.fchip:hover,.fchip:focus-visible{border-color:var(--brand);color:var(--brand-ink);background:var(--surface)}

/* ---------- menu for narrow screens (the top nav hides its links) */
.topbar .wrap{position:relative}
.menu-btn{display:none;align-items:center;gap:6px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);font:inherit;font-size:14px;font-weight:500;cursor:pointer;margin-left:auto}
.menu-btn .icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.menu-btn[aria-expanded="true"]{background:var(--surface-2)}
.mnav{position:absolute;top:calc(100% + 6px);right:16px;z-index:55;min-width:220px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:6px;display:flex;flex-direction:column}
.mnav[hidden]{display:none!important}
.mnav a{color:var(--ink);text-decoration:none;padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;min-height:44px;display:flex;align-items:center}
.mnav a:hover,.mnav a:focus-visible{background:var(--surface-2)}
.mnav a[aria-current="page"]{background:var(--surface-2);font-weight:700}
@media (max-width:860px){.menu-btn{display:inline-flex}}
@media (max-width:600px){.topbar .nav{display:none}.topbar .wrap{gap:8px}}
@media (max-width:380px){.brand{gap:8px}.brand .sig{width:84px;height:30px}.brand-sep{display:none}.brand-name b{font-size:14px}.search-btn{padding:8px 10px}}
@media (min-width:861px){.mnav{display:none!important}}
@media (max-width:600px){.menu-btn .lbl{display:none}.menu-btn{padding:0 10px}}
/* ---------- "ในหน้านี้" for narrow screens (the side TOC is hidden below 1000px) */
.toc-sm{display:none;margin:0 0 16px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}
.toc-sm>summary{cursor:pointer;padding:12px 16px;font-weight:600;min-height:44px;display:flex;align-items:center;gap:8px;list-style:none}
.toc-sm>summary::-webkit-details-marker{display:none}
.toc-sm>summary::after{content:"";margin-left:auto;width:8px;height:8px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);transform:rotate(45deg);transition:transform .2s}
.toc-sm[open]>summary::after{transform:rotate(-135deg)}
.toc-sm nav{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:2px;padding:0 8px 10px}
.toc-sm a{color:var(--ink-2);text-decoration:none;padding:10px;border-radius:var(--r-sm);display:flex;align-items:center;gap:8px;min-height:44px}
.toc-sm a .li{width:16px;height:16px;color:var(--ink-3)}
.toc-sm a:hover,.toc-sm a:focus-visible{background:var(--surface-2);color:var(--ink)}
@media (max-width:1000px){.toc-sm{display:block}}
/* table headers: Deep Navy with light text passes WCAG 4.5:1 (Brand Blue #2486FF behind 14px text was 3.4:1); in dark mode a lighter navy keeps the header apart from the page */
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) table.tbl th{background:#1A2D42;box-shadow:inset 0 -3px 0 #48B0FF}}
:root[data-theme="dark"] table.tbl th{background:#1A2D42;box-shadow:inset 0 -3px 0 #48B0FF}

/* ACC-02: a scrolling table reached with Tab shows where the focus is */
.tbl-wrap[data-sr]:focus-visible,.dx-sheetw[data-sr]:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
/* top bar with the Power Query link (v1.10): the secondary links and the menu button switch earlier, so no width overflows */
@media (max-width:1120px){.nav a.hide-sm{display:none}.menu-btn{display:inline-flex}.nav a{padding:8px 9px}}
@media (max-width:860px){.search-btn .kbd{display:none}}
@media (max-width:760px){.nav a.hide-md{display:none}.brand-name small{display:none}}
/* ---------------------------------------------------------------- DAX pages */
:root{--dx:#8A5A00;--dx-bg:#FFF4DC;--dx-line:#E9C77A;--dx-ok:#1D7A46;--dx-ok-bg:#E6F4EC;--dx-bad:#B4234A;--dx-flow:#2486FF;--dx-dot:#1F6FD6;--dx-dot-off:#D5DCE6;--dx-b3:#F1EAFE;--dx-b3f:#5B34B8;--dx-b4:#E3F6F4;--dx-b4f:#0F6F66;--dx-b6:#EEF1F5;--dx-b6f:#3E4C5E}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--dx:#F2C66D;--dx-bg:#3A2C0E;--dx-line:#8A6A24;--dx-ok:#6FD39B;--dx-ok-bg:#153326;--dx-bad:#FF8FA8;--dx-flow:#48B0FF;--dx-dot:#48B0FF;--dx-dot-off:#2E3C4E;--dx-b3:#2B2150;--dx-b3f:#C6B3FF;--dx-b4:#10302C;--dx-b4f:#7ED9CE;--dx-b6:#243447;--dx-b6f:#C3CEDB}}
:root[data-theme="dark"]{--dx:#F2C66D;--dx-bg:#3A2C0E;--dx-line:#8A6A24;--dx-ok:#6FD39B;--dx-ok-bg:#153326;--dx-bad:#FF8FA8;--dx-flow:#48B0FF;--dx-dot:#48B0FF;--dx-dot-off:#2E3C4E;--dx-b3:#2B2150;--dx-b3f:#C6B3FF;--dx-b4:#10302C;--dx-b4f:#7ED9CE;--dx-b6:#243447;--dx-b6f:#C3CEDB}

.dx-b-dax{background:var(--dx-bg);color:var(--dx);font-weight:700}
.dx-br{background:var(--surface-2);color:var(--ink-2)}
.dx-br1{background:var(--dx-ok-bg);color:var(--dx-ok)} .dx-br2{background:var(--dx-bg);color:var(--dx)}
.dx-br5{background:#E9F3FF;color:#005CFF} .dx-br6{background:var(--dx-b6);color:var(--dx-b6f)}
.dx-br3{background:var(--dx-b3);color:var(--dx-b3f)} .dx-br4{background:var(--dx-b4);color:var(--dx-b4f)}
a.dx-br{text-decoration:none}
:root[data-theme="dark"] .dx-br5{background:#173656;color:#7CC4FF}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .dx-br5{background:#173656;color:#7CC4FF}}
.dx-new{background:var(--lime);color:#0D1B2A;font-weight:700}
.dx-muted{color:var(--ink-3);font-size:13.5px}

/* hub */
.dx-doors{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dx-door{display:grid;gap:6px;align-content:start;padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);text-decoration:none;color:var(--ink);position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.dx-door:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.dx-door-x{background:linear-gradient(135deg,var(--surface) 55%,rgba(29,122,70,.10))}
.dx-door-d{background:linear-gradient(135deg,var(--surface) 55%,rgba(242,184,40,.16))}
.dx-door-t{font-size:24px;font-weight:800;margin:0;line-height:1.3}
.dx-door-k{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--ink-3)}
.dx-door-n{font-family:var(--mono);font-size:13px;color:var(--brand-ink)}
.dx-door-d .dx-door-n{color:var(--dx)}
.dx-door>span:not([class]){color:var(--ink-2)}
.dx-door-go{margin-top:8px;font-weight:700;color:var(--brand-ink)}
.dx-bridges{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.dx-bridge{display:grid;grid-template-columns:auto auto 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:12px 14px}
.dx-bridge a{font-family:var(--mono);font-weight:500;text-decoration:none;border-radius:6px;padding:2px 8px}
.dx-bx{background:var(--dx-ok-bg);color:var(--dx-ok)} .dx-bd{background:var(--dx-bg);color:var(--dx);justify-self:start}
.dx-arrow{color:var(--ink-3)}
.dx-bn{grid-column:1/-1;font-size:12.5px;color:var(--ink-3);margin-top:4px}
.dx-fc .fname{font-family:var(--mono)}

/* DAX index */
.dx-ihead{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,380px);gap:24px;align-items:center;padding-block:8px 8px}
.dx-ihead h1{font-size:clamp(30px,5vw,44px);margin:6px 0 10px}
.dx-model-mini svg{width:100%;height:auto}
.dx-three,.dx-six{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.dx-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;display:grid;gap:6px;align-content:start}
.dx-card p{color:var(--ink-2);font-size:14.5px;margin:0}
.dx-six-k{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800}

/* model diagram (Filter Flow) */
svg.dx-model{display:block;width:100%;height:auto;font-family:inherit}
svg.dx-model text{fill:var(--ink)}
.dx-box{fill:var(--surface);stroke:var(--line);stroke-width:1.5}
.dx-fact{fill:var(--dx-bg);stroke:var(--dx-line)}
.dx-hd{fill:var(--navy)}
.dx-hdt{fill:#F8FAFD!important;font-weight:700;font-size:22px}
.dx-fht{font-weight:800;font-size:24px}
.dx-chip{fill:var(--surface-2);stroke:var(--dx-flow);stroke-width:1.5}
.dx-chip.off{fill:none;stroke:var(--line-2);stroke-dasharray:5 5}
.dx-chipn{fill:var(--surface);stroke:var(--dx);stroke-width:1.2}
.dx-rel{fill:none;stroke:var(--line-2);stroke-width:1.6}
.dx-rel.on{stroke:var(--dx-flow);stroke-width:3;stroke-dasharray:8 9}
.dx-one{fill:var(--ink-3)}
.dx-flegend{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px;font-size:14px}
.dx-flegend li{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:baseline;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.dx-flegend li.on{border-color:var(--dx-flow)}
.dx-flegend li.dx-lfact{background:var(--dx-bg);border-color:var(--dx-line)}
.dx-flegend b{font-weight:700;min-width:6.5em}
.dx-lchip{font-family:var(--mono);font-size:13px;background:var(--surface-2);border-radius:6px;padding:1px 8px;overflow-wrap:anywhere}
.dx-lnone,.dx-lrows{color:var(--ink-2)}
.dx-lrows strong{color:var(--ink)}
.dx-dim.on .dx-box{stroke:var(--dx-flow);stroke-width:2}
.dx-dim.act .dx-box,.dx-factg.act .dx-box{stroke:var(--lime);stroke-width:3}
.dx-dot{fill:var(--dx-dot);transition:fill .45s,opacity .45s}
.dx-dot.off{fill:var(--dx-dot-off)}
@media (prefers-reduced-motion:no-preference){.dx-rel.on{animation:dxflow 1.1s linear 3}}
@keyframes dxflow{to{stroke-dashoffset:-34}}

/* lab */
.dx-lab{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);display:grid;gap:0;overflow:hidden}
.dx-lab.dx-full{position:fixed;inset:0;z-index:70;border-radius:0;overflow:auto;padding:env(safe-area-inset-top,0px) 0 env(safe-area-inset-bottom,0px)}
.dx-top{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--surface-3)}
.dx-lab.dx-full .dx-top{position:sticky;top:0;z-index:3}
.dx-views{display:inline-flex;border:1px solid var(--line-2);border-radius:999px;padding:3px;background:var(--surface)}
.dx-views button{font:inherit;font-size:13.5px;font-weight:600;border:0;background:transparent;color:var(--ink-2);padding:5px 14px;border-radius:999px;cursor:pointer}
.dx-views button[aria-selected="true"]{background:var(--navy);color:var(--lime)}
.dx-slicers{display:flex;flex-wrap:wrap;gap:8px 14px;flex:1}
.dx-sl{display:flex;flex-wrap:wrap;align-items:center;gap:4px}
.dx-sl>span{font-size:12.5px;font-weight:700;color:var(--ink-2);margin-right:2px}
.dx-sl button{font:inherit;font-size:13px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:6px;padding:3px 9px;cursor:pointer;min-height:30px}
.dx-sl button[aria-pressed="true"],.dx-sl button[aria-checked="true"]{background:var(--dx-bg);border-color:var(--dx);color:var(--dx);font-weight:700}
.dx-maxb{margin-left:auto}
.dx-mbar{padding:12px 14px;border-bottom:1px solid var(--line);display:grid;gap:8px}
.dx-mlist{display:grid;gap:4px}
.dx-m{font-size:13.5px;overflow-wrap:anywhere}
.dx-m code{font-family:var(--mono);font-size:12.5px;white-space:pre-wrap}
.dx-mn{font-weight:700;color:var(--dx);font-family:var(--mono);font-size:13px}
.dx-edit{display:grid;gap:6px;position:relative}
.dx-fx{display:flex;border:2px solid var(--brand);border-radius:10px;overflow:hidden;background:var(--surface)}
.dx-fx .fx{display:flex;align-items:flex-start;padding:8px 12px;background:var(--navy-2,#132638);color:var(--lime);font-family:var(--mono);font-style:italic}
.dx-fx textarea{flex:1;min-width:0;border:0;outline:0;resize:none;overflow:hidden;font-family:var(--mono);font-size:14px;line-height:1.55;padding:8px 10px;background:transparent;color:var(--ink);min-height:40px}
.dx-fx:focus-within{outline:3px solid var(--focus);outline-offset:2px}
.dx-fxw{position:relative}
.dx-ac{position:absolute;z-index:6;top:calc(100% + 4px);left:0;min-width:260px;max-width:100%;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-lg);padding:4px}
.dx-aci{display:grid;gap:1px;padding:6px 10px;border-radius:6px;cursor:pointer}
.dx-aci b{font-family:var(--mono);font-size:13px;font-weight:500}
.dx-aci span{font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}
.dx-aci.on,.dx-aci:hover{background:var(--surface-2)}
.dx-hint code{font-family:var(--mono);font-size:12.5px;color:var(--ink-2)}
.dx-msg{color:var(--dx-bad);font-size:14px}
.dx-msg:empty,.dx-hint:empty{display:none}
.dx-mact{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.dx-stage{display:grid}
.dx-canvas{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:14px;padding:14px;align-items:start}
.dx-visual{display:grid;gap:10px}
.dx-vt{font-weight:700;font-size:14px}
table.dx-mx{font-variant-numeric:tabular-nums}
table.dx-mx th{white-space:nowrap}
table.dx-mx tbody th{text-align:left;font-weight:500;background:transparent;box-shadow:none;color:var(--ink);padding:4px 10px;border-top:1px solid var(--line)}
table.dx-mx td{padding:2px 4px;text-align:right}
.dx-cell{font:inherit;font-variant-numeric:tabular-nums;width:100%;text-align:right;border:1px solid transparent;background:transparent;color:var(--ink);padding:4px 8px;border-radius:6px;cursor:pointer;white-space:nowrap}
.dx-cell:hover{background:var(--surface-2);border-color:var(--line)}
.dx-cell.on{background:var(--lime);color:#0D1B2A;font-weight:800;box-shadow:inset 0 0 0 2px #0D1B2A}
tr.dx-tot th,tr.dx-tot .dx-cell{font-weight:800}
tr.dx-tot td,tr.dx-tot th{border-top:2px solid var(--line)}
.dx-cardv{display:grid;gap:2px;border:1px solid var(--line);border-left:4px solid var(--lime);border-radius:10px;padding:10px 14px;background:var(--surface-3)}
.dx-cv{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.dx-cl{font-size:13px;color:var(--ink-2)}
.dx-flt{display:inline-flex;flex-wrap:wrap;gap:4px;margin:2px 4px}
.dx-flt span{font-family:var(--mono);font-size:12px;background:var(--surface-2);border:1px solid var(--dx-flow);border-radius:6px;padding:0 6px}
.dx-flt span.new{background:var(--dx-bg);border-color:var(--dx)}
.dx-flt span.gone{text-decoration:line-through;background:transparent;color:var(--ink-2);border-style:dashed}
.dx-flt span.gone::before{content:"ลบ ";text-decoration:none;display:inline-block;margin-right:2px;font-weight:700}
.dx-player{border-top:1px solid var(--line);padding:12px 14px;display:grid;gap:10px;background:var(--surface-3)}
.dx-pbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.dx-pbar b{margin-right:auto}
.dx-pbar .li{width:16px;height:16px}
.dx-steps{list-style:none;margin:0;padding:0;display:grid;gap:6px;counter-reset:dxs}
.dx-stepb{display:block;width:100%;text-align:left;background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;border-radius:6px}
.dx-stepb .dx-sh{display:block}
.dx-steps li{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start;padding:8px 10px;border-radius:10px;border:1px solid transparent;cursor:pointer;font-size:14.5px;color:var(--ink-2)}
.dx-steps li::before{counter-increment:dxs;content:counter(dxs);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;background:var(--surface-2);color:var(--ink-2)}
.dx-steps li.done::before{background:var(--navy);color:var(--lime)}
.dx-steps li.on{background:var(--surface);border-color:var(--brand);color:var(--ink)}
.dx-steps li.on::before{background:var(--lime);color:#0D1B2A}
.dx-steps .t{display:block;font-size:14px;color:var(--ink)}
.dx-res{font-size:20px;font-variant-numeric:tabular-nums}
.dx-xl{display:grid;gap:10px;min-width:0}
.dx-left{display:grid;gap:10px;min-width:0}
.dx-canvas.xl{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.dx-stale{display:block;font-size:13px;font-weight:700;color:var(--dx);margin-bottom:2px}
.dx-xnote{background:var(--surface-2);border-radius:10px;padding:12px;font-size:14.5px;color:var(--ink-2)}
.dx-xfx{display:flex;align-items:stretch;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:var(--surface)}
.dx-xfx .dx-xnm{font-family:var(--mono);font-size:12.5px;padding:8px 10px;border-right:1px solid var(--line);color:var(--ink-2)}
.dx-xfx .fx{font-family:var(--mono);font-style:italic;padding:8px 10px;color:var(--dx-ok);border-right:1px solid var(--line)}
.dx-xfx code{font-family:var(--mono);font-size:13px;padding:8px 10px;overflow-wrap:anywhere}
.dx-xres{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline}
.dx-xres b{font-size:22px;font-variant-numeric:tabular-nums}
.dx-ok{background:var(--dx-ok-bg);color:var(--dx-ok);font-weight:700;border-radius:6px;padding:1px 8px;font-size:13px}
.dx-bad{background:var(--dx-bg);color:var(--dx-bad);font-weight:700;border-radius:6px;padding:1px 8px;font-size:13px}
table.dx-sheet{border-collapse:collapse;font-size:12.5px;font-variant-numeric:tabular-nums;background:var(--surface)}
table.dx-sheet th,table.dx-sheet td{border:1px solid var(--line);padding:3px 8px;white-space:nowrap}
table.dx-sheet thead th{background:var(--surface-2);color:var(--ink-2);font-weight:600;text-align:center;font-family:var(--mono)}
table.dx-sheet thead th small{display:block;font-family:inherit;font-size:11px;font-weight:500;color:var(--ink-3)}
table.dx-sheet th.hp{background:var(--dx-ok-bg)}
table.dx-sheet .rn{background:var(--surface-2);color:var(--ink-3);font-family:var(--mono);text-align:center}
table.dx-sheet tbody tr{background:rgba(29,122,70,.07)}
@media (prefers-reduced-motion:no-preference){.dx-xl:not([hidden]){animation:dxin .35s ease-out}}
@keyframes dxin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* function page */
.dx-page h1{font-family:var(--mono);font-weight:500}
.dx-syn-var .fnn{font-family:var(--mono);white-space:pre-wrap}
.dx-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dx-pair>div{border-radius:var(--r-lg);padding:14px;display:grid;gap:6px;align-content:start}
.dx-px{background:var(--dx-ok-bg)} .dx-pd{background:var(--dx-bg)}
.dx-pl{font-size:12px;font-weight:800;letter-spacing:.08em}
.dx-px .dx-pl{color:var(--dx-ok)} .dx-pd .dx-pl{color:var(--dx)}
.dx-pair code{font-family:var(--mono);font-size:13px;overflow-wrap:anywhere;white-space:pre-wrap;color:var(--ink)}
.dx-pair p{margin:0;color:var(--ink-2);font-size:14.5px}

/* Excel page block */
.dx-pbi-b{display:grid;gap:8px;background:var(--dx-bg);border:1px solid var(--dx-line);border-radius:var(--r-lg);padding:14px}
.dx-pbi-h{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.dx-pbi-h b{font-family:var(--mono);font-weight:500}
.dx-pbi-b p{margin:0;color:var(--ink-2)}
.dx-chip-d{border-color:var(--dx)!important;color:var(--dx)!important}

@media (max-width:900px){.dx-canvas{grid-template-columns:1fr}.dx-ihead{grid-template-columns:1fr}}
@media (max-width:640px){svg.dx-model text{display:none}.dx-fx textarea{min-height:3.4em}.dx-doors,.dx-pair{grid-template-columns:1fr}.dx-maxb{margin-left:0}.dx-slicers{flex-basis:100%}.dx-top{padding:10px}.dx-canvas,.dx-mbar,.dx-player{padding:10px}}
/* ---------------------------------------------------------------- Power Query (M) pages */
:root{--mq:#0F6F66;--mq-bg:#E3F6F4;--mq-line:#8FD3CB;--mq-grid:#F7FAFC;--mq-drop:#FDECEF;--mq-will:#FFF4DC;--mq-new:#E6F4EC;--mq-chg:#DDF3FF;--mq-err:#B4234A;--mq-null:#7A8699;--mq-ok:#1D7A46}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--mq:#7ED9CE;--mq-bg:#10302C;--mq-line:#2C6C64;--mq-grid:#132232;--mq-drop:#3A1D27;--mq-will:#3A2C0E;--mq-new:#153326;--mq-chg:#173656;--mq-err:#FF8FA8;--mq-null:#8B97A8;--mq-ok:#6FD39B}}
:root[data-theme="dark"]{--mq:#7ED9CE;--mq-bg:#10302C;--mq-line:#2C6C64;--mq-grid:#132232;--mq-drop:#3A1D27;--mq-will:#3A2C0E;--mq-new:#153326;--mq-chg:#173656;--mq-err:#FF8FA8;--mq-null:#8B97A8;--mq-ok:#6FD39B}
.mq-b{background:var(--mq-bg);color:var(--mq);font-weight:700}
.mq-chip-l{border-color:var(--mq)!important;color:var(--mq)!important}
.mq-fc .fname{font-family:var(--mono);font-size:14.5px;overflow-wrap:break-word}
.mq-k{background:var(--mq-bg);color:var(--mq)}
.mq-h1{font-family:var(--mono);font-size:clamp(26px,4.4vw,40px);overflow-wrap:anywhere}
.dx-door-m{background:linear-gradient(135deg,var(--surface) 55%,rgba(15,111,102,.14))}
.dx-door-m .dx-door-n{color:var(--mq)}
.dx-doors.three{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.dx-doors.three{grid-template-columns:1fr}}

/* index */
.mq-four{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.mq-demo{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);padding:12px;display:grid;gap:4px;font-size:13.5px}
.mq-demo-h{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--ink-3)}
.mq-demo-s{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:6px}
.mq-demo-s.on{background:var(--mq-bg);color:var(--mq);font-weight:700}
.mq-demo-c{font-family:var(--mono);font-size:12px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:8px;margin-top:4px;overflow-wrap:anywhere}
.mq-si{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* function page */
.mq-syn{font-family:var(--mono);flex-wrap:wrap;row-gap:4px}
.mq-syn .mq-ret{color:var(--ink-3)}
.mq-ui{display:grid;gap:4px;margin-top:12px;border:1px solid var(--mq-line);background:var(--mq-bg);border-radius:10px;padding:10px 14px}
.mq-ui b{font-size:15px}
.mq-rib-k{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--mq)}
.mq-rib-k .li{width:15px;height:15px}
.mq-pair{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.mq-pm{background:var(--mq-bg)} .mq-pm .dx-pl{color:var(--mq)}

/* lab */
.mq-lab{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);display:grid;overflow:hidden}
.mq-lab.dx-full{position:fixed;inset:0;z-index:70;border-radius:0;overflow:auto;align-content:start}
.mq-top{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:12px 14px;background:var(--surface-3);border-bottom:1px solid var(--line)}
.mq-rib{display:grid;gap:2px;flex:1;min-width:0}
.mq-rib b{font-size:14.5px}
.mq-knobs{display:flex;flex-wrap:wrap;gap:8px 16px;padding:10px 14px;border-bottom:1px solid var(--line)}
.mq-knobs .dx-sl button[aria-checked="true"]{background:var(--mq-bg);border-color:var(--mq);color:var(--mq)}
.mq-fbar{display:grid;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line)}
.mq-sn{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--mq)}
.mq-fbar .dx-fx{border-color:var(--mq)}
.mq-stage{display:grid;grid-template-columns:minmax(0,1fr) 240px;min-height:320px}
.mq-main{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0;border-right:1px solid var(--line)}
.mq-gbar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line)}
.mq-views{display:inline-flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.mq-views button{font:inherit;font-size:13px;border:0;background:var(--surface);color:var(--ink);padding:5px 12px;cursor:pointer;min-height:32px}
.mq-views button+button{border-left:1px solid var(--line-2)}
.mq-views button[aria-pressed="true"]{background:var(--mq);color:var(--surface);font-weight:700}
.mq-views button:disabled{color:var(--ink-3);cursor:not-allowed}
.mq-dim{font-family:var(--mono);font-size:13px;color:var(--ink-2)}
.mq-legend{font-size:12.5px;color:var(--ink-3);display:inline-flex;gap:4px 10px;align-items:center;flex-wrap:wrap}
.mq-lg{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:2px;border:1px solid var(--line-2)}
.mq-lg-drop{background:var(--mq-drop)} .mq-lg-will{background:var(--mq-will)} .mq-lg-new{background:var(--mq-new)} .mq-lg-chg{background:var(--mq-chg)}
.mq-gridw{overflow:auto;max-height:430px;background:var(--mq-grid)}
.mq-gridw:focus-visible{outline:3px solid var(--focus);outline-offset:-3px}
.mq-lab.dx-full .mq-gridw{max-height:none}
.mq-grid{border-collapse:separate;border-spacing:0;font-size:13px;min-width:100%}
.mq-grid th,.mq-grid td{padding:4px 10px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);white-space:nowrap;text-align:left;background:var(--surface)}
.mq-grid thead th{position:sticky;top:0;z-index:2;vertical-align:bottom;background:var(--surface-2);font-weight:700;padding-top:6px}
.mq-grid .rn{position:sticky;left:0;z-index:1;color:var(--ink-3);font-weight:400;text-align:right;background:var(--surface-2);min-width:34px}
.mq-grid thead .rn{z-index:3}
.mq-grid td.num{text-align:right;font-variant-numeric:tabular-nums}
.mq-th{display:flex;align-items:center;gap:6px}
.mq-cn{font-size:13px}
.mq-ty{display:inline-grid;place-items:center;min-width:26px;height:22px;padding:0 3px;border-radius:4px;font-family:var(--mono);font-size:10.5px;line-height:1;font-weight:700;color:var(--ink-2);background:var(--surface);border:1px solid var(--line-2)}
.mq-ty-any{font-size:8px;line-height:1}
.mq-ty .mq-si{width:15px;height:15px}
.mq-ty-text,.mq-ty-number,.mq-ty-int64,.mq-ty-date,.mq-ty-datetime,.mq-ty-percentage{color:var(--mq);border-color:var(--mq-line)}
.mq-q{display:flex;height:3px;margin-top:5px;border-radius:2px;overflow:hidden;background:var(--line)}
.mq-q i{display:block;height:100%;background:#2E9E5B} .mq-q i.e{background:var(--mq-err)} .mq-q i.n{background:var(--mq-null)}
.mq-qt{display:block;font-size:10.5px;font-weight:400;color:var(--ink-3);margin-top:1px}
.mq-qt .e{color:var(--mq-err)}
.mq-null{font-style:italic;color:var(--mq-null)}
.mq-errc{color:var(--mq-err);font-weight:700;text-decoration:underline dotted}
.mq-sp{background:repeating-linear-gradient(90deg,transparent 0 6px,rgba(180,35,74,.08) 6px 7px)}
.mq-grid tr.mq-drop td,.mq-grid tr.mq-drop th{background:var(--mq-drop);text-decoration:line-through;color:var(--ink-3)}
.mq-grid tr.mq-hdr td{background:var(--mq-will);font-weight:700}
.mq-grid .mq-dropc{background:var(--mq-drop)!important;color:var(--ink-3);text-decoration:line-through}
.mq-grid th.mq-dropc .mq-cn{text-decoration:line-through}
.mq-grid .mq-will{background:var(--mq-will)!important}
.mq-grid .mq-newc{background:var(--mq-new)!important}
.mq-grid td.mq-chg{background:var(--mq-chg)!important;font-weight:600}
.mq-more{margin:8px 12px}
.mq-errbox{margin:16px;border:1px solid #E9C77A;background:var(--mq-will);border-radius:10px;padding:12px 14px;display:grid;gap:4px}
.mq-errbox b{color:var(--mq-err);font-family:var(--mono)}
.mq-errbox p{margin:0}
.mq-scalar{display:grid;gap:4px;padding:18px}
.mq-scalar b{font-family:var(--mono);font-size:20px}
.mq-side{display:grid;align-content:start;gap:6px;padding:10px;background:var(--surface-3)}
.mq-qs{font-size:12px;color:var(--ink-3)}
.mq-ash{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--ink-2)}
.mq-steps{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.mq-step{width:100%;display:flex;align-items:center;gap:8px;font:inherit;font-size:13.5px;text-align:left;border:1px solid transparent;background:transparent;color:var(--ink);border-radius:6px;padding:6px 8px;cursor:pointer;min-height:36px}
.mq-step:hover{background:var(--surface)}
.mq-steps li.on .mq-step{background:var(--mq-bg);border-color:var(--mq-line);color:var(--mq);font-weight:700}
.mq-stn{flex:1;min-width:0;overflow-wrap:anywhere}
.mq-focus{font-size:10.5px;font-weight:700;background:var(--lime);color:#0D1B2A;border-radius:999px;padding:1px 6px}
.mq-edited{font-size:10.5px;color:var(--ink-3)}
.mq-sterr .li{width:15px;height:15px;color:var(--mq-err)}
.mq-play{justify-self:start;margin-top:6px}
.mq-exp{border-top:1px solid var(--line);padding:12px 14px;display:grid;gap:8px;background:var(--surface)}
.mq-exp h3{font-size:15px;margin:0}
.mq-exp p{margin:0}
.mq-x1{color:var(--ink-2);font-size:14px}
.mq-chip{font-family:var(--mono);font-size:12.5px;background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:0 5px;overflow-wrap:anywhere}
.mq-pairs{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.mq-pairs>span{display:inline-flex;gap:6px;align-items:center}
.mq-bad{color:var(--mq-err)}
.mq-errline{font-family:var(--mono);font-size:13px;color:var(--mq-err)}
.mq-ok{color:var(--mq-ok)} .mq-no{color:var(--ink-3)}
.mq-rt caption{caption-side:top;text-align:left;font-size:12.5px;color:var(--ink-3);padding-bottom:4px}
.mq-rt td{font-variant-numeric:tabular-nums}
.mq-adv{border-top:1px solid var(--line)}
.mq-adv>summary{cursor:pointer;padding:10px 14px;font-weight:700;font-size:14px}
.mq-advb{display:grid;gap:8px;padding:0 14px 14px;justify-items:start}
.mq-code{margin:0;width:100%;box-sizing:border-box;font-family:var(--mono);font-size:13px;line-height:1.6;background:var(--navy-2,#132638);color:#E6EDF5;border-radius:10px;padding:12px 14px;overflow:auto;white-space:pre}
.mq-kw{color:#7CC4FF;font-weight:600} .mq-fn{color:#D4F73F} .mq-str{color:#FFC98B} .mq-num{color:#B6F0C8} .mq-id{color:#9FE6DD}
.mq-xb{margin-top:12px;border:1px solid var(--mq-line);background:var(--mq-bg);border-radius:var(--r-lg);padding:12px 14px;display:grid;gap:6px}
.mq-xb p{margin:0;color:var(--ink-2);font-size:14.5px}
.mq-xbh{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
@media (max-width:900px){.mq-stage{grid-template-columns:1fr}.mq-main{border-right:0}.mq-side{order:-1;border-bottom:1px solid var(--line)}.mq-steps{display:flex;overflow-x:auto;gap:4px;padding-bottom:4px}.mq-steps li{flex:none}.mq-step{white-space:nowrap}.mq-gridw{max-height:360px}}
@media (max-width:640px){.mq-top,.mq-fbar,.mq-knobs,.mq-exp{padding:10px}.mq-fbar .dx-fx textarea{min-height:3.4em}}
:root{--sig-nineblue:url("/assets/9expert-signature-nineblue-800w.987e8f7a6d.png");--sig-cloud:url("/assets/9expert-signature-cloud-800w.4f3299e52b.png")}