:root{
  --bg:#f6f4ef; --card:#ffffff; --ink:#1d2433; --muted:#5d6676; --line:#e2ddd2;
  --brand:#14532d; --brand-2:#1f7a45; --accent:#b45309; --ok:#e8f5ec; --okb:#1f7a45;
  --bad:#fdecec; --badb:#b42318; --warn:#fff6e0; --slide:#ffffff;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#12161d; --card:#1b212b; --ink:#e8ebf0; --muted:#a3abb8; --line:#2c3441;
    --brand:#5fc98a; --brand-2:#7fd9a2; --accent:#f0a24a; --ok:#163024; --okb:#5fc98a;
    --bad:#3a1d1d; --badb:#f08a8a; --warn:#3a2f17; --slide:#171c24; }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:"Sarabun","Noto Sans Thai",system-ui,sans-serif;font-size:17px;line-height:1.6}
a{color:var(--brand-2)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line);background:var(--card)}
header.top .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:56px;flex-wrap:wrap}
header.top a.logo{font-weight:700;color:var(--ink);text-decoration:none}
nav a{margin-left:14px;text-decoration:none;color:var(--muted);font-weight:600}
nav a.on{color:var(--brand-2)}
h1{font-size:clamp(26px,4vw,40px);line-height:1.25;margin:28px 0 8px}
h2{font-size:24px;margin:28px 0 12px}
.sub{color:var(--muted);margin:0 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.card h3{margin:4px 0 6px;font-size:19px}
.card .tag{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.3px}
a.card{text-decoration:none;color:inherit;display:block}
a.card:hover{border-color:var(--brand-2)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:9px 16px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
@media (prefers-color-scheme: dark){.btn{color:#0d1a12}}
.btn.ghost{background:transparent;color:var(--brand-2);border:1px solid var(--line)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0}
table.t{border-collapse:collapse;width:100%;font-size:.95em}
table.t th,table.t td{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}
table.t th{background:color-mix(in srgb,var(--brand) 12%,transparent)}
table.num td+td{text-align:right;font-variant-numeric:tabular-nums}
tr.tot td{font-weight:700;border-top:2px solid var(--ink)}
.scroll{overflow-x:auto}
ul.plain{padding-left:20px}
.sess{display:grid;grid-template-columns:120px 1fr;gap:4px 14px;margin:0}
.sess dt{font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.sess dd{margin:0 0 10px}
.sess dd ul{margin:2px 0;padding-left:18px;color:var(--muted)}
.slides-list{counter-reset:s;padding-left:0;list-style:none}
.slides-list li{border-bottom:1px solid var(--line)}
.slides-list a{display:block;padding:8px 4px;text-decoration:none;color:var(--ink)}
.slides-list a::before{counter-increment:s;content:counter(s) ".";color:var(--muted);display:inline-block;width:34px}
footer{color:var(--muted);font-size:14px;padding:30px 0}

/* ---- present mode ---- */
body.present{overflow:hidden}
.stage{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column}
.stage .bar{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;color:var(--muted);font-size:14px;gap:10px}
.stage .bar .tools{display:flex;gap:6px;flex-wrap:wrap}
.stage .bar button{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:4px 10px;font:inherit;font-size:14px;cursor:pointer}
.slide{flex:1;margin:0 auto 10px;width:min(1200px,calc(100% - 32px));background:var(--slide);border:1px solid var(--line);border-radius:14px;padding:clamp(18px,3.5vw,48px);overflow:auto;font-size:clamp(17px,2.1vw,27px)}
.slide h2{margin:0 0 .6em;font-size:1.5em;color:var(--brand-2);line-height:1.25}
.slide ul,.slide ol{padding-left:1.2em;margin:.3em 0}
.slide li{margin:.25em 0}
.slide table.t{font-size:.8em}
.progress{height:4px;background:var(--line)}
.progress i{display:block;height:100%;background:var(--brand-2)}
.notes{background:var(--warn);border-top:1px solid var(--line);padding:10px 16px;font-size:15px;max-height:22vh;overflow:auto}
.big{font-size:1.2em;font-weight:600}
.center{text-align:center}
.note{color:var(--muted);font-size:.8em}
.warn{background:var(--warn);border-left:4px solid var(--accent);padding:.4em .8em;border-radius:6px}
.box{background:color-mix(in srgb,var(--brand) 7%,transparent);border:1px solid var(--line);border-radius:10px;padding:.6em 1em;margin:.4em 0}
.box h4{margin:.1em 0 .3em}
.box.ok{background:var(--ok)} .box.bad{background:var(--bad)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1em}
@media (max-width:720px){.two{grid-template-columns:1fr}}
.cols{columns:2;column-gap:2em} @media (max-width:720px){.cols{columns:1}}
ul.check,ul.cross{list-style:none;padding-left:0}
ul.check li::before{content:"✓ ";color:var(--okb);font-weight:700}
ul.cross li::before{content:"✗ ";color:var(--badb);font-weight:700}
.flow{display:flex;flex-wrap:wrap;gap:.4em;margin:.4em 0 1em}
.flow span{background:var(--brand);color:#fff;border-radius:6px;padding:.2em .6em;font-size:.85em}
@media (prefers-color-scheme: dark){.flow span{color:#0d1a12}}
.flow span:not(:last-child)::after{content:" →"}
details.ans{border:1px dashed var(--accent);border-radius:10px;padding:.4em .8em}
details.ans summary{cursor:pointer;color:var(--accent);font-weight:700}
.qr{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:9}
.qr .in{background:#fff;color:#111;padding:24px;border-radius:14px;text-align:center;max-width:92vw}
.qr .in #qrbox{display:inline-block;margin:10px}
.qr .in code{word-break:break-all;font-size:14px}

/* ---- quiz & tools ---- */
.q{margin:18px 0}
.q .choices button{display:block;width:100%;text-align:left;margin:6px 0;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;cursor:pointer}
.q .choices button.right{background:var(--ok);border-color:var(--okb)}
.q .choices button.wrong{background:var(--bad);border-color:var(--badb)}
.q .exp{color:var(--muted);margin-top:4px}
.score{font-size:22px;font-weight:700}
label{display:block;margin:10px 0 4px;font-weight:600}
input,select{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);width:100%;max-width:340px}
.res{margin-top:14px}
.form2{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0 16px}
@media print{header.top,footer,.row{display:none}}

/* prompt boxes */
pre.prompt{white-space:pre-wrap;background:color-mix(in srgb,var(--accent) 9%,transparent);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:8px;padding:.6em .9em;font-family:inherit;font-size:.78em;line-height:1.55;position:relative;margin:.4em 0}
pre.prompt .cp{position:absolute;top:6px;right:6px;font:inherit;font-size:13px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:2px 8px;cursor:pointer}

/* day deliverable / focus */
.deliv{margin:8px 0 0;padding:6px 10px;border-radius:8px;background:var(--ok);font-size:.92em}
.focus{margin:8px 0 0;font-size:.92em}
@media print{.deliv,.focus{font-size:10.5px;padding:3px 6px;margin-top:4px}}

/* think-first boxes & step reveal */
details.think summary{color:var(--ink);font-weight:600}
details.think summary b{color:var(--accent)}
.pend{visibility:hidden}
.bar .hint{color:var(--accent);font-weight:600}

/* classroom chat */
.chat{position:fixed;right:16px;bottom:16px;z-index:8;font-size:15px}
.chat-btn{position:relative;background:var(--brand);color:#fff;border:0;border-radius:999px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.2)}
body.present .chat-btn{opacity:.55;padding:6px 12px} body.present .chat-btn:hover{opacity:1}
.chat-badge{position:absolute;top:-6px;right:-6px;background:var(--badb);color:#fff;border-radius:999px;font-style:normal;font-size:12px;min-width:20px;padding:1px 6px}
.chat-panel{width:min(360px,calc(100vw - 32px));height:min(480px,calc(100vh - 32px));background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 6px 24px rgba(0,0,0,.25);display:flex;flex-direction:column}
.chat-panel[hidden],.chat-btn[hidden]{display:none}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line)}
.chat button{font:inherit;cursor:pointer}
.chat-head button,.chat-meta button,.chat-row button[type=button]{background:none;border:1px solid var(--line);border-radius:6px;color:var(--ink);padding:1px 8px;margin-left:4px;font-size:13px}
.chat-meta button{border:0;padding:0 2px}
.chat-list{flex:1;overflow:auto;padding:8px 12px}
.chat-msg{margin:0 0 8px;padding:6px 10px;border-radius:10px;background:color-mix(in srgb,var(--brand) 7%,transparent);overflow-wrap:anywhere;line-height:1.45}
.chat-msg.me{background:var(--ok)} .chat-msg.t{border-left:3px solid var(--accent)}
.chat-meta{font-size:12px;color:var(--muted)} .chat-meta b{color:var(--ink)}
.chat-tag{background:var(--accent);color:#fff;border-radius:4px;padding:0 5px;font-size:11px}
.chat-form{border-top:1px solid var(--line);padding:8px}
.chat-form input,.chat-form textarea{width:100%;max-width:none;font:inherit;font-size:14px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);margin-bottom:6px;resize:none}
.chat-row{display:flex;justify-content:space-between;align-items:center}
.chat-row button[type=submit]{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:5px 18px;font-weight:600}
@media (prefers-color-scheme: dark){.chat-btn,.chat-row button[type=submit]{color:#0d1a12}}
@media print{.chat{display:none}}

/* docflow: ระบบเอกสารและการจัดแฟ้ม */
.docflow{line-height:1.35}
.df-top{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.df-sys{border:1px solid var(--line);border-radius:10px;padding:6px;background:color-mix(in srgb,var(--brand) 5%,transparent)}
.df-sys h4{margin:0 0 4px;color:var(--brand-2);font-size:1.1em}
.df-doc{display:block;margin:3px 0;padding:3px 7px;border-radius:5px;background:var(--card);border:1px solid var(--line);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.df-doc i{font-style:normal;font-size:.85em;color:var(--accent);font-weight:600}
.df-doc.ghost{opacity:.35;border-style:dashed;box-shadow:none}
.df-doc.fly{position:relative;z-index:3;background:var(--warn);border-color:var(--accent)}
.df-cap{display:flex;gap:10px;justify-content:space-between;align-items:flex-start;margin:8px 0;padding:8px 12px;border-left:4px solid var(--accent);background:var(--warn);border-radius:6px;font-size:1.3em;min-height:3.2em}
.df-shelf{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.df-bin{border:2px solid var(--line);border-radius:8px;padding:0 6px 6px;min-height:70px;transition:border-color .3s}
.df-bin.hot{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}
.df-spine{margin:0 -6px 4px;padding:3px 8px;background:var(--brand);color:#fff;border-radius:5px 5px 0 0;font-weight:700}
@media (prefers-color-scheme: dark){.df-spine{color:#0d1a12}}
.df-note{color:var(--muted);font-size:.9em}
.df-tabs{display:flex;flex-wrap:wrap;gap:2px;margin:3px 0}
.df-tabs b{font-weight:400;font-size:.8em;padding:0 3px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}
.df-tabs b.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.df-sec{margin-top:4px;font-weight:700;font-size:.9em;color:var(--accent)}
.df-ctl{display:flex;gap:4px;align-items:center;flex-shrink:0;font-size:.75em}
.df-ctl button{font:inherit;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:2px 10px;cursor:pointer}
@media (max-width:720px){.docflow{font-size:.62em}.df-top{grid-template-columns:repeat(2,1fr)}.df-shelf{grid-template-columns:repeat(2,1fr)}}
.df-shelf .df-doc{margin:2px 0;padding:1px 6px}
.df-top .df-doc{margin:2px 0;padding:1px 6px}
.df-bin{min-height:56px}

/* docflow: หัวข้อเล็กลง + แฟ้ม→Express + เกม */
.slide:has(.docflow,.docmap,.docgame) h2{font-size:1.15em;margin-bottom:.35em}
.docmap,.docgame{line-height:1.35}
.dm-wrap{display:grid;grid-template-columns:minmax(150px,1fr) 3fr;gap:12px}
.dm-bins{display:flex;flex-direction:column;gap:5px}
.dm-bin{font:inherit;text-align:left;padding:6px 10px;border-radius:6px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;border-left:6px solid var(--brand)}
.dm-bin.on{background:var(--brand);color:#fff;font-weight:700}
@media (prefers-color-scheme: dark){.dm-bin.on{color:#0d1a12}}
.dm-grid{display:flex;flex-direction:column;gap:6px}
.dm-row{display:flex;gap:6px}
.dm-mod{flex:1;border:2px solid var(--line);border-radius:8px;padding:6px 8px;text-align:center;transition:all .25s;background:var(--card)}
.dm-mod span{display:block;font-size:.85em;font-weight:700}
.dm-mod.rec{background:var(--brand);border-color:var(--brand);color:#fff}
@media (prefers-color-scheme: dark){.dm-mod.rec{color:#0d1a12}}
.dm-mod.auto{background:var(--ok);border-color:var(--okb)}
.dm-mod.chk{border:2px dashed var(--accent);color:var(--accent)}
.dm-mod.off{opacity:.35}
.dm-mod.tb{background:color-mix(in srgb,var(--brand) 7%,transparent)}
.dm-arrow{text-align:center;color:var(--muted);font-size:.9em}
.dm-info{margin-top:8px;padding:8px 12px;background:var(--warn);border-left:4px solid var(--accent);border-radius:6px;min-height:6.5em}
.dm-info h4{margin:0 0 4px;color:var(--brand-2)} .dm-info p{margin:2px 0}
.dm-legend{display:flex;gap:10px;margin-top:6px;font-size:.85em}
.dm-legend span{padding:1px 8px;border-radius:5px;border:1px solid var(--line)}
.dm-legend .rec{background:var(--brand);color:#fff} .dm-legend .auto{background:var(--ok)} .dm-legend .chk{border:1px dashed var(--accent);color:var(--accent)}
.dg-top{display:flex;flex-wrap:wrap;gap:5px;min-height:3em;padding:8px;border:2px dashed var(--line);border-radius:10px}
.dg-top .df-doc{display:inline-block;margin:0;cursor:grab;user-select:none}
.dg-top .df-doc.sel{background:var(--accent);color:#fff;border-color:var(--accent)}
.dg-top .df-doc.sel i{color:#fff}
.dg-done{font-size:1.3em;padding:4px}
.docgame .df-bin{cursor:pointer}
.docgame .df-bin.over{border-color:var(--brand-2)}
.docgame .df-bin.ok{animation:dgok .6s}
.docgame .df-bin.bad{animation:dgbad .45s;border-color:var(--badb)}
@keyframes dgok{0%{box-shadow:0 0 0 0 var(--okb)}100%{box-shadow:0 0 0 10px transparent}}
@keyframes dgbad{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@media (max-width:720px){.dm-wrap{grid-template-columns:1fr}.dm-bins{flex-direction:row;flex-wrap:wrap}.dm-row{flex-wrap:wrap}}
/* ให้สไลด์ interactive พอดีจอเตี้ย */
.slide:has(.docflow,.docmap,.docgame){padding:12px 22px}
.df-shelf .df-doc{display:inline-block;margin:2px 3px 0 0}
.df-tabs{flex-wrap:nowrap;overflow:hidden}
.df-tabs b{font-size:.72em;padding:0 2px}
.df-bin{min-height:0}
.df-top .df-sys{padding:4px 6px}
.t.ws1{font-size:.58em}.t.ws1 td,.t.ws1 th{padding:3px 7px}

/* เครื่องมือ CIT: งบกำไรขาดทุน → กำไรทางภาษี */
.cit2{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
@media (max-width:820px){.cit2{grid-template-columns:1fr}}
.cit2 h3{margin:4px 0 8px;font-size:18px}
.cit2 table.t{font-size:14px}
.cit2 td{vertical-align:middle}
.cit2 td:last-child{text-align:right;width:130px;font-variant-numeric:tabular-nums}
.cit2 input.amt{width:120px;max-width:120px;text-align:right;padding:3px 6px;font-size:14px}
.cit2 .code,.tb2 td:first-child{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.9em}
.cit2 tr.sec td{background:color-mix(in srgb,var(--brand) 10%,transparent);font-weight:700}
.cit2 tr.sum td{font-weight:600}
.cit2 tr.pbt td{font-weight:700;background:var(--warn)}
.cit2 .why{font-size:12px;color:var(--muted);text-align:left}
.cit2 .flag,.tb2 .flag{color:var(--accent);font-size:12px;font-weight:700}
tr[data-code]{cursor:pointer}
tr.hl td{background:color-mix(in srgb,var(--accent) 22%,transparent) !important}
.tb2{margin-top:14px} .tb2 summary{cursor:pointer;margin-bottom:6px}
.tb2 table.t{font-size:14px;max-width:640px}
.tb2 tr.plrow td{background:var(--ok)}
.cit2 tr.sec td,.cit2 td[colspan]{text-align:left}
.tb2 table.num td:nth-child(2){text-align:left}
/* ออกแบบผังบัญชี (coa) */
.slide:has(.coa) h2{font-size:1.15em;margin-bottom:.35em}
.coa{font-size:15px}
.coa-head{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:8px}
.coa-anat{display:flex;gap:4px;align-items:flex-end}
.coa-anat span{display:flex;flex-direction:column;align-items:center;border:1px solid var(--line);border-radius:6px;padding:2px 8px;background:var(--card);opacity:.45}
.coa-anat span.on{opacity:1;border-color:var(--brand-2);background:var(--ok)}
.coa-anat b{font-size:1.7em;font-family:ui-monospace,Consolas,monospace;line-height:1.1}
.coa-anat small{font-size:.75em;color:var(--muted)} .coa-anat i{font-style:normal;font-size:1.6em;padding-bottom:.6em}
.coa-info{flex:1;min-width:220px;font-size:1.05em}
.coa-cols{display:flex;gap:6px;overflow-x:auto;height:clamp(220px,calc(100vh - 360px),440px)}
.coa-col{position:relative;flex:1 0 200px;max-width:300px;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:4px;background:var(--card)}
.coa-col h5{margin:0 0 4px;font-size:.8em;color:var(--muted);text-align:center}
.coa-n{display:flex;gap:6px;align-items:baseline;width:100%;text-align:left;font:inherit;color:var(--ink);background:none;border:0;border-radius:6px;padding:4px 6px;cursor:pointer}
.coa-n:hover{background:var(--bg)} .coa-n.on{background:var(--ok);font-weight:600;box-shadow:inset 3px 0 var(--brand-2)}
.coa-n.extra{opacity:.6;font-size:.9em}
.coa-n code{color:var(--brand-2);flex-shrink:0}
.coa-n span,.coa-cap span{margin-left:auto;flex-shrink:0}
.coa-k,.coa-y{font-size:.72em;border-radius:10px;padding:0 6px;white-space:nowrap}
.coa-k{background:var(--warn);color:var(--accent)} .coa-y{background:var(--ok);color:var(--okb)}
.coa .df-cap{font-size:1.1em}
.coa-print{columns:3;font-size:.62em;margin:0;padding-left:1em} .coa-print ul{padding-left:1.2em;margin:0}
.coa-print>li{break-inside:avoid-column;margin-bottom:.4em;font-weight:600} .coa-print ul li{font-weight:400}
/* รายการย่อในงบการเงิน ↔ ผังบัญชี (dbd) */
.slide:has(.dbd) h2{font-size:1.15em;margin-bottom:.35em}
.dbd{font-size:15px}
.coa-ref{font-size:.85em;color:var(--brand-2);margin-top:2px}
.db-tabs{display:flex;gap:6px;margin-bottom:6px;flex-wrap:wrap}
.db-tabs button{font:inherit;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:16px;padding:3px 14px;cursor:pointer}
.db-tabs button.on{background:var(--brand-2);border-color:var(--brand-2);color:#fff}
.db-wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:10px;height:clamp(220px,calc(100vh - 340px),460px)}
.db-list,.db-info{position:relative;overflow-y:auto;border:1px solid var(--line);border-radius:8px;padding:4px 6px;background:var(--card)}
.db-h{font-weight:700;margin:6px 4px 2px;color:var(--brand-2)} .db-h.tot{font-weight:600;color:var(--muted);font-style:italic;margin:2px 4px 4px 2em}
.db-l{display:flex;gap:6px;align-items:baseline;width:100%;text-align:left;font:inherit;color:var(--ink);background:none;border:0;border-radius:6px;padding:3px 6px 3px 1.2em;cursor:pointer}
.db-l b{flex-shrink:0;min-width:2.2em;color:var(--brand-2)} .db-l span{margin-left:auto;flex-shrink:0;font-size:.75em;background:var(--ok);color:var(--okb);border-radius:10px;padding:0 7px}
.db-l.none{opacity:.5} .db-l.none span{background:none}
.db-l:hover{background:var(--bg)} .db-l.on{background:var(--ok);font-weight:600;box-shadow:inset 3px 0 var(--brand-2)}
.db-info{padding:8px 12px} .db-info h4{margin:0 0 6px;color:var(--brand-2)} .db-info p{margin:.35em 0}
.db-acc{margin:.2em 0;padding-left:1.2em} .db-acc code{color:var(--brand-2)}
.db-note{background:var(--warn);border-left:3px solid var(--accent);padding:4px 8px;border-radius:4px}
.db-none{color:var(--muted)}
.dbd .df-cap{font-size:1.05em}
@media (max-width:700px){.db-wrap{grid-template-columns:1fr;height:auto}.db-list{max-height:40vh}}
.db-print{font-size:.55em;margin-bottom:6px} .db-print td{vertical-align:top;text-align:left!important} .db-print tr.sec td{background:var(--ok)}
/* หน้าขาย: ตัวเลือกเรียน private */
.priv{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.priv .price.sm{font-size:1.6em;margin:4px 0} .priv .price.sm span{font-size:.55em;color:var(--muted);font-weight:400}
.priv ul{margin:6px 0 10px;font-size:15px}
.chat-head>span{display:flex;align-items:center;white-space:nowrap} .chat-room{font:inherit;font-size:13px;max-width:150px;border:1px solid var(--line);border-radius:6px;padding:1px 4px;background:var(--card,#fff);color:var(--ink)}