/* ============================================================
   fong666 — ธีมห้องแล็บพื้นดำ สำหรับ Reaction Chamber
   โทนวิทยาศาสตร์: พื้นดำสนิท เส้นกริดจาง แผงเครื่องมือ สีเรืองแสง
   ============================================================ */

:root{
  --ink:#04060a;
  --surface:#0b1118;
  --soft:#101822;
  --line:#1c2836;
  --edge:#2b3c4d;
  --cream:#e8f3f7;
  --dim:#7e96a8;
  --glass:#22d3ee;
  --brass:#f0b429;
  --flask:#34d399;
  --rose:#fb7185;
  --body:'IBM Plex Sans Thai',Inter,system-ui,-apple-system,sans-serif;
  --display:'IBM Plex Sans Thai',"Bricolage Grotesque",system-ui,sans-serif;
}

/* ---------- พื้นหลัง: ดำสนิท + เส้นกริดกระดาษกราฟ + แสงเรือง ---------- */
html{background:var(--ink) !important;color-scheme:dark}
body{
  background:
    radial-gradient(1100px 700px at 82% -12%, rgba(34,211,238,.085), transparent 62%),
    radial-gradient(900px 600px at -5% 105%, rgba(240,180,41,.055), transparent 60%),
    var(--ink) !important;
  color:var(--cream);
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(94,150,175,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(94,150,175,.055) 1px,transparent 1px);
  background-size:38px 38px;
}
#bg{display:none !important}
[hidden]{display:none !important}
.app{background:transparent;grid-template-columns:minmax(0,1fr);position:relative;z-index:1}
/* กันคอลัมน์ยืดตามเนื้อหา (ทำให้ล้นจอบนมือถือ) */
.app>*,header,.brand,.hbits,.hright,.page,.cols,.col,section.card,.scroller,.ptable,.made{min-width:0}
header{max-width:100%}

/* ---------- ซ่อนแถบเลื่อนทุกจุด ---------- */
*{scrollbar-width:none !important;-ms-overflow-style:none !important}
*::-webkit-scrollbar{width:0 !important;height:0 !important;display:none !important}
/* ยกเว้นชั้นวางธาตุ — แถบเลื่อนแบบเรียบ กลืนกับธีม */
.sc-y{scrollbar-width:thin !important;scrollbar-color:#2f4a5e transparent}
.sc-y::-webkit-scrollbar{width:10px !important;height:10px !important;display:block !important}
.sc-y::-webkit-scrollbar-track{background:rgba(255,255,255,.03);border-radius:99px;
  margin:2px 0;border:1px solid rgba(255,255,255,.03)}
.sc-y::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,#3c5a70,#263a4a);
  border:2px solid transparent;background-clip:content-box;border-radius:99px;
  box-shadow:0 0 0 1px rgba(34,211,238,.12) inset}
.sc-y::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(180deg,#22d3ee,#1b8ea3);background-clip:content-box;
  box-shadow:0 0 12px rgba(34,211,238,.45)}
.sc-y::-webkit-scrollbar-thumb:active{background:linear-gradient(180deg,#f0b429,#c88f18);background-clip:content-box}
.sc-y::-webkit-scrollbar-corner{background:transparent}
.sc-y::-webkit-scrollbar-button{display:none !important;width:0;height:0}

/* ---------- หัวเรื่อง ---------- */
.brand h1{color:var(--cream);text-shadow:0 0 26px rgba(34,211,238,.18)}
.brand h1 span{color:var(--brass)}
.brand p{color:var(--dim)}

/* ---------- ปุ่มยาแคปซูล ---------- */
.pill{background:rgba(16,24,34,.82);border-color:var(--line);color:#a9c1d1}
.pill b{color:var(--flask)}
.pill.btn{color:#c3d6e2;cursor:pointer}
.pill.btn:active{border-color:var(--glass);color:var(--glass)}
.pill.go{background:var(--brass);border-color:var(--brass);color:#241703;font-weight:600;
  box-shadow:0 0 18px rgba(240,180,41,.28)}
.pill.save{border-color:var(--line);color:#c3d6e2}
.pill.save.done{background:var(--flask);border-color:var(--flask);color:#04261c}
.langsw{background:rgba(16,24,34,.82);border-color:var(--line)}
.langsw button{color:var(--dim)}
.langsw button.on{background:var(--brass);color:#241703}
.acctchip{background:rgba(16,24,34,.82);border-color:var(--edge);color:var(--cream)}
.avatar{background:#17303c;color:var(--glass)}

/* ---------- แผง (การ์ด) ---------- */
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012)),var(--surface);
  border:1px solid var(--line);border-radius:13px;
  box-shadow:0 1px 0 rgba(255,255,255,.045) inset, 0 10px 26px rgba(0,0,0,.45);
}
.card h2{color:var(--dim);border-bottom:1px dashed rgba(94,150,175,.16);padding-bottom:8px}
.card h2 em{color:var(--glass)}
.combiner{border-color:var(--edge)}

/* ---------- แท่นผสมธาตุ ---------- */
.slot{background:rgba(0,0,0,.45);border-color:var(--edge)}
.slot.filled{border-color:var(--glass);background:rgba(34,211,238,.08);
  box-shadow:0 0 22px rgba(34,211,238,.15) inset}
.slot .nm,.slot .hint{color:var(--dim)}
.plus{color:var(--brass)}
.fuse{background:var(--brass);color:#241703;box-shadow:0 0 22px rgba(240,180,41,.22)}
.fuse:disabled{background:#16222e;color:#4e6879;box-shadow:none}
.msg{color:#9fb9c9}

/* ---------- แถวปุ่ม React + ล้างแท่น ---------- */
.fuserow{display:flex;gap:8px;margin-top:11px;align-items:stretch}
.fuserow .fuse{flex:1 1 auto;margin-top:0}
.fuserow #clearBtn{flex:0 0 auto;padding:0 20px;border-radius:10px;
  border:1px solid var(--edge);background:rgba(255,255,255,.03);color:#c3d6e2;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  cursor:pointer;white-space:nowrap;transition:.15s}
.fuserow #clearBtn:hover{border-color:var(--rose);color:var(--rose);background:rgba(251,113,133,.10)}
.fuserow #clearBtn:active{transform:translateY(1px)}

/* ---------- ตารางธาตุ ---------- */
.ptable,.made{
  grid-template-columns:repeat(auto-fill,minmax(var(--tilemin,104px),1fr));
  grid-auto-rows:auto;
  gap:8px;height:auto;overflow:visible;align-content:start;
}
.tile{background:rgba(255,255,255,.028);border:1px solid var(--line);border-radius:10px;
  padding:9px 5px 10px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  line-height:1.15;box-shadow:0 1px 0 rgba(255,255,255,.03) inset;transition:.14s}
.tile .z{color:#63879b;font-size:11px;margin:0}
.tile .sym{font-size:25px;margin:2px 0 1px;letter-spacing:-.01em}
.tile .nm{color:#89a4b6;font-size:11.5px;margin-top:1px;
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 2px}
.made .tile{padding:10px 6px}
.made .tile .sym{font-size:22px}
.made .tile .nm{white-space:normal;font-size:11.5px;line-height:1.25}
.tile.dead{opacity:.16;filter:grayscale(1)}
.tile.picked{border-color:var(--brass);box-shadow:0 0 0 1px var(--brass) inset,0 0 16px rgba(240,180,41,.28)}
.tile.new::after{background:var(--brass)}
.legend{color:var(--dim);line-height:1.9}

/* ---------- หัวข้อคั่นในตารางธาตุ ---------- */
.rc-head{grid-column:1/-1;display:flex;flex-direction:column;gap:2px;
  padding:14px 2px 9px;margin-top:4px;border-bottom:1px solid rgba(94,150,175,.18)}
.rc-head:first-child{padding-top:2px;margin-top:0}
.rc-head b{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--glass)}
.rc-head i{font-style:normal;font-size:11.5px;color:var(--dim);line-height:1.45}
.ptable.rc-nohead .rc-head{display:none}

/* ตารางที่เป็นช่องเลื่อนเอง (แข่งเวลา / 2 ผู้เล่น / ที่สร้างได้): ความสูงถูกกำหนดตายตัว
   ถ้าปล่อยแถวเป็น auto เบราว์เซอร์จะบีบแถวลงจนช่องธาตุถูกตัดครึ่ง (tile มี overflow:hidden → min เป็น 0)
   ล็อกแถวด้วย min-content แล้วให้เลื่อนแทน */
#runShelf>.ptable,#vsShelf>.ptable,#shelfCard>.made{grid-auto-rows:min-content}
#runShelf>.ptable>.tile,#vsShelf>.ptable>.tile,#shelfCard>.made>.tile{min-height:min-content}

/* ---------- ช่องค้นหา / แท็บ ---------- */
input[type=search],.askrow input{background:rgba(0,0,0,.42);border-color:var(--line);color:var(--cream)}
input[type=search]:focus,.askrow input:focus{border-color:var(--glass);outline:none;
  box-shadow:0 0 0 3px rgba(34,211,238,.12)}
input[type=search]::placeholder,.askrow input::placeholder{color:#5f7d90}
.chk{color:var(--dim)}
.tab{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--dim);cursor:pointer}
.tab[aria-selected="true"]{background:var(--glass);border-color:var(--glass);color:#032027;
  box-shadow:0 0 18px rgba(34,211,238,.25)}

/* ---------- ห้องปฏิกิริยา ---------- */
canvas.vessel{background:radial-gradient(60% 60% at 50% 40%,rgba(34,211,238,.08),transparent 70%),#000;
  border:1px solid var(--line);border-radius:16px;padding:6px;
  box-shadow:0 0 46px rgba(34,211,238,.12) inset}
.tagline{color:var(--dim)}
.formula{color:var(--cream)}
.title{color:var(--cream)}
.ability{color:var(--glass);border-left-color:var(--brass)}
.example{color:#9fb9c9}
.example b{color:var(--cream)}
.testlink{border-color:var(--brass);background:rgba(240,180,41,.10);color:var(--brass);cursor:pointer}

/* ---------- ป้ายชนิดสาร + ประวัติการค้นพบ ---------- */
.rc-kind{display:flex;align-items:baseline;gap:8px;margin:7px 0 2px;
  font-size:12.5px;color:var(--cream);line-height:1.45}
.rc-kind b{flex:0 0 auto;font-family:var(--mono);font-size:9.5px;font-weight:600;
  letter-spacing:.14em;color:#032027;background:var(--glass);
  border-radius:99px;padding:3px 8px}
.rc-disc{margin-top:10px;padding:10px 12px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.025);
  display:flex;flex-direction:column;gap:7px}
.rc-disc .rc-row{display:flex;flex-direction:column;gap:2px}
.rc-disc b{font-family:var(--mono);font-size:9.5px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brass)}
.rc-disc span{font-size:12.5px;line-height:1.5;color:#c3d6e2}

/* ---------- คำอธิบายธาตุที่ไม่ทำปฏิกิริยา ---------- */
.rc-note{margin-top:10px;padding:9px 11px;border-radius:9px;
  border:1px dashed var(--edge);background:rgba(255,255,255,.03);
  color:#9fb9c9;font-size:12.5px;line-height:1.5}

/* ---------- สมุดบันทึก / เครื่องมือ ---------- */
.log li{border-bottom-color:rgba(94,150,175,.14);color:#9fb9c9}
.log li b{color:var(--cream)}
.tools button{background:rgba(255,255,255,.03);border-color:var(--line);color:#c3d6e2;cursor:pointer}
.tools button.danger{border-color:var(--rose);color:var(--rose)}

/* ---------- แผงย่อยอื่นๆ ---------- */
.rig button,.recent button,.choices button,.opts button,.lvlgrid button,.chips button,
.rrow,.cnrow,.pcard,.rowline,.rev,.sbtn,.cbtn,.turnbar,.bigclock,.moves,.score .p,
.emorow button,.navbtn{
  background:rgba(255,255,255,.03);border-color:var(--line);color:var(--cream)
}
.rig button.on{border-color:var(--brass);background:rgba(240,180,41,.13);color:var(--brass)}
.recent button.on{border-color:var(--brass);color:var(--brass)}
.result{border-left-color:var(--brass)}
.result .what{color:var(--brass)}
.result .spec{color:#9fb9c9}
.empty{color:var(--dim)}
.score .pn{color:var(--dim)}
.score .p.on{border-color:var(--brass);background:rgba(240,180,41,.13)}
.score .p.on .pn{color:var(--brass)}
.score .vsx{color:var(--dim)}
.turnbar b{color:var(--brass)}
.turnbar .clock{color:var(--flask)}
.target{border-color:var(--brass)}
.target .lab{color:var(--brass)}
.target .n{color:var(--cream)}
.target .h{color:#9fb9c9}
.rrow .who{color:var(--dim)}
.rrow.sel{border-color:var(--brass);background:rgba(240,180,41,.12)}
.rrow .eq i{color:var(--brass)}
.cnrow{border-left-color:var(--glass)}
.cnm{color:var(--dim)}
.cvia{color:var(--brass)}
.ckids{border-left-color:var(--edge)}
.moves.best{background:rgba(240,180,41,.13);border-color:#6b5326}
.moves.best span{color:var(--brass)}
.moves i{color:var(--dim)}
.bar{background:rgba(0,0,0,.5)}
.bar div{background:var(--brass);box-shadow:0 0 12px rgba(240,180,41,.4)}
.pbar{background:rgba(255,255,255,.08)}
.pbar span{background:var(--glass)}
.lvl{background:var(--glass);color:#032027}
.opts button i{color:var(--brass)}
.opts button.chosen{border-color:var(--brass);background:rgba(240,180,41,.15)}
.opts button.right,.choices button.right{border-color:var(--flask);background:rgba(52,211,153,.15);color:var(--flask)}
.opts button.wrong,.choices button.wrong{border-color:var(--rose);background:rgba(251,113,133,.13);color:var(--rose)}
.revline{color:#9fb9c9}
.revline.good{color:var(--flask)}
.revwhy{color:var(--dim)}
.revhead{color:var(--dim)}
.why{color:#9fb9c9;border-left-color:var(--brass)}
.why b{color:var(--cream)}
.lvlgrid button{color:#9fb9c9}
.lvlgrid button b{color:var(--cream)}
.lvlgrid button i{color:var(--brass)}
.lvlgrid button.wide{border-color:var(--brass);background:rgba(240,180,41,.12)}
.lvlgrid button.missbtn{border-color:var(--rose);background:rgba(251,113,133,.11)}
.lvlgrid button:disabled{background:rgba(255,255,255,.02);border-color:var(--line);opacity:.5}
.bigscore .frac{color:#9fb9c9}
.pass{color:var(--flask)} .fail{color:var(--rose)}
.doc{color:#c3d6e2}
.doc h3{color:var(--cream)}
.doc b{color:var(--cream)}
.doc .lead{color:var(--glass);border-left-color:var(--brass)}
.note,.cardnote{color:var(--dim)}
.pcard.on{border-color:var(--brass);background:rgba(240,180,41,.12)}
.pcard .av,.bigav,.rowline .rank{background:#17303c;color:var(--glass);border-color:var(--edge)}
.pcard .pd{color:var(--dim)}
.pcard .del{color:var(--dim)}
.rowline.top .rank{background:var(--brass);color:#241703}
.rowline .pcs{color:var(--dim)}
.askrow button{background:var(--brass);color:#241703}
.sbtn.g b{background:#fff;border:1px solid var(--line)}
.mailbox{border-color:var(--brass);background:rgba(240,180,41,.08)}
.advtoggle,.setupbox{border-color:var(--edge);color:var(--dim)}
.setupbox.flash{border-color:var(--brass);background:rgba(240,180,41,.12)}
.setuptitle{color:var(--brass)}
.bigcode{color:var(--brass);background:rgba(240,180,41,.09);border-color:var(--brass);
  text-shadow:0 0 22px rgba(240,180,41,.4)}
#clsCode{color:var(--cream)}
.ended{background:var(--rose);color:#2a0710}
.teachbar{border-color:var(--brass);background:rgba(240,180,41,.10)}
.teachbar .tcode{color:var(--brass)}
.teachbar .tinfo{color:var(--cream)}
.teachbar .live{color:var(--flask)}
.cardwrap{background:rgba(0,0,0,.86)}
#cardSave{background:var(--brass);color:#241703;border-color:var(--brass)}

/* ---------- ปุ่มกลับหน้าแล็บบนหัวเรื่อง — เน้นสีเหลือง ---------- */
#simBtn{background:var(--brass);border-color:var(--brass);color:#241703;font-weight:600;
  box-shadow:0 0 18px rgba(240,180,41,.28)}
@media(hover:hover){
  #simBtn:hover{background:#ffc94a;border-color:#ffc94a;color:#241703}
}

/* ---------- กล่องสอนใช้งาน ---------- */
#coach{background:#0b1118;border-color:var(--brass);color:var(--cream);
  box-shadow:0 16px 50px rgba(0,0,0,.7),0 0 30px rgba(240,180,41,.14)}
.cnum{background:var(--brass);color:#241703}
.ctext{color:var(--cream)}
.ctext b{color:var(--brass)}
.cbtns button{background:rgba(255,255,255,.04);border-color:var(--line);color:#9fb9c9}
#coachNext{background:var(--brass);color:#241703;border-color:var(--brass)}

@media(hover:hover){
  .pill.btn:hover{border-color:var(--glass);color:var(--glass)}
  .tile:hover{transform:translateY(-1px);border-color:var(--glass);
    box-shadow:0 0 16px rgba(34,211,238,.2)}
  .rig button:hover,.tools button:hover{border-color:var(--glass);color:var(--glass)}
  .fuse:hover{filter:brightness(1.08)}
}

/* ============================================================
   เลย์เอาต์ — จอใหญ่: พอดีหน้าจอ ไม่ต้องเลื่อน
   ============================================================ */

  html,body{height:100%;overflow-x:auto;overflow-y:hidden}
  .app{height:100vh;height:100dvh;min-height:0;padding:12px 16px;min-width:720px}
  .page{min-height:0}
  .cols{height:100%;min-height:0}
  #pageLab .cols{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
  #pageSim .cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr) minmax(0,1fr)}
  #pageVs .cols,#pageRun .cols,#pageQuiz .cols{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
  #pageLab .col,#pageVs .col,#pageRun .col,#pageQuiz .col{display:flex}
  .col{display:flex;flex-direction:column;gap:10px;min-height:0;overflow-y:auto}

  #shelfCard,#vsShelf,#runShelf{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}
  #shelfCard>.scroller,#vsShelf>.scroller,#runShelf>.scroller{flex:1 1 0;min-height:0;overflow-y:auto;padding-right:6px}
  #shelfCard>.made,#vsShelf>.ptable,#runShelf>.ptable{flex:1 1 0;min-height:0;overflow-y:auto;padding-right:6px}
  #shelfCard>.legend{flex:none}
  #vsShelf>.ptable,#runShelf>.ptable{height:auto}
  .chamber{flex:none}
  #noteCard{flex:none}
  .log{max-height:22vh}


/* ============================================================
   จอใหญ่ — หน้า LAB: ตารางธาตุกินความสูงเต็มคอลัมน์ซ้าย (ช่องใหญ่ที่สุด)
   คอลัมน์ขวาเรียง: ผสมธาตุ / ห้องปฏิกิริยา / สมุดบันทึก
   ============================================================ */

  #pageLab .cols{
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
    grid-template-rows:auto minmax(0,1fr) auto;
    gap:10px;
  }
  #pageLab .col{display:contents}
  #pageLab #shelfCard{grid-column:1;grid-row:1 / -1;min-height:0}
  #pageLab .combiner{grid-column:2;grid-row:1;min-height:0}
  #pageLab .chamber{grid-column:2;grid-row:2;min-height:0;overflow:auto}
  #pageLab #noteCard{display:none}
  #pageLab .chamber{grid-row:2 / -1}

  /* บีบคอลัมน์ขวาให้พอดี ไม่ต้องเลื่อน */
  /* หัวเรื่องแถวเดียว เลื่อนแนวนอน — คืนพื้นที่ให้เนื้อหา */
  .hbits{flex-wrap:nowrap;overflow-x:auto;min-width:0;gap:6px}
  .hright{flex-wrap:nowrap;gap:7px}
  .pill{padding:7px 11px;font-size:11.5px}
  header{row-gap:8px}
  .app{padding:10px 14px}

  #pageLab .slot{height:138px;max-width:230px}
  #pageLab .bench{gap:18px}
  #pageLab .combiner{padding:16px 15px}
  #pageLab .slot .sym{font-size:26px}
  #pageLab .fuse{padding:14px;margin-top:0}
  #pageLab .fuserow{margin-top:13px}
  #pageLab .msg{margin-top:6px;font-size:11.5px}
  /* ห้องปฏิกิริยา: รูปซ้าย ข้อมูลขวา */
  #pageLab .chamber{display:grid;grid-template-columns:auto minmax(0,1fr);
    gap:8px 14px;align-content:start;align-items:start;overflow:auto}
  #pageLab .chamber h2{grid-column:1 / -1;width:100%}
  #pageLab canvas.vessel{grid-column:1;grid-row:2 / span 2;align-self:start;
    width:clamp(180px,20vw,300px);height:auto;max-width:none;max-height:none;
    aspect-ratio:720/880;margin-top:0}
  #pageLab .readout{grid-column:2;grid-row:2;align-self:start;margin-top:0;width:auto}
  #pageLab .testlink{grid-column:2;grid-row:3;align-self:start;margin-top:0}
  #pageLab .readout .tagline,#pageLab .readout .formula,#pageLab .readout .title{text-align:left}
  #pageLab .readout .formula{margin-top:1px}
  #pageLab .rc-kind{margin-top:9px}
  #pageLab .ability{margin-top:6px;font-size:12.5px;line-height:1.4}
  #pageLab .example{margin-top:5px;font-size:12px;line-height:1.4}
  #pageLab .testlink{margin-top:8px;padding:10px}
  #pageLab .legend{margin-top:7px;font-size:10.5px;line-height:1.7}
  #pageLab .ptable,#pageLab .made{gap:8px}





/* ============================================================
   SCREENS-CHEM — รองรับทุกขนาดจอ
   ============================================================ */

/* ---- โน้ตบุ๊กจอเตี้ย (สูงไม่เกิน 820px) : บีบระยะให้พอดีจอ ---- */
@media(min-width:1024px) and (max-height:820px){
  .app{padding:8px 12px;gap:8px}
  .card{padding:10px}
  .brand h1{font-size:20px}
  .brand p{display:none}
  .pill{padding:6px 10px;font-size:11px}
  #pageLab canvas.vessel{width:clamp(140px,15vw,210px)}
  #pageLab .slot{height:70px;max-width:180px}
  #pageLab .slot .sym{font-size:20px}
  #pageLab .combiner{padding:11px}
  .ptable,.made{--tilemin:92px;gap:6px}
  .tile{padding:7px 4px 8px}
  .tile .sym{font-size:21px}
  .rc-head{padding:9px 2px 6px}
}

/* ---- แท็บเล็ต / โน้ตบุ๊กจอแคบ (ไม่เกิน 1100px) ---- */
@media(max-width:1100px){
  .app{padding:10px 12px;gap:8px}
  .brand h1{font-size:20px}
  .brand p{display:none}
  .pill{padding:7px 11px;font-size:11.5px}
  .hbits,.hright{flex-wrap:nowrap;overflow-x:auto;gap:6px;min-width:0}
  .hright{margin-left:auto}

  /* หน้าแล็บ: ชั้นวางซ้าย  ห้องปฏิกิริยา+ผสมธาตุขวา (แคบลง) */
  #pageLab .cols{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:8px}
  #pageLab .slot{height:78px;max-width:160px}
  #pageLab .slot .sym{font-size:20px}
  #pageLab .bench{gap:10px}
  #pageLab .combiner{padding:11px}
  #pageLab .fuse{padding:10px;font-size:11.5px}
  #pageLab .fuserow{margin-top:9px}
  #pageLab .msg{font-size:11px;margin-top:5px}
  #pageLab canvas.vessel{width:clamp(130px,20vw,200px)}
  .ptable,.made{--tilemin:88px;gap:6px}
  .tile{padding:7px 4px 8px}
  .tile .sym{font-size:20px}
  .tile .nm{font-size:10.5px}
  .tile .z{font-size:10px}

  #pageSim .cols{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  #pageSim .col:nth-child(3){display:none}
}

/* ---- แท็บเล็ตแนวตั้ง / จอแคบมาก (ไม่เกิน 860px) : เรียงบนลงล่าง ---- */
@media(max-width:860px){
  #pageLab .cols{grid-template-columns:minmax(0,1fr);
    grid-template-rows:auto minmax(0,1.35fr) auto;gap:8px}
  #pageLab .combiner{grid-area:auto}
  #pageLab #shelfCard{grid-area:auto;min-height:0}
  #pageLab .chamber{grid-area:auto;min-height:0}
  #pageLab .chamber{grid-template-columns:auto minmax(0,1fr)}
  #pageSim .cols{grid-template-columns:minmax(0,1fr)}
  #pageSim .col:nth-child(3){display:none}
  .ptable,.made{--tilemin:82px}
}

/* ---- นิ้วสัมผัส: ปุ่มใหญ่ขึ้น ---- */
@media(pointer:coarse){
  .pill{padding:10px 14px}
  .tab{padding:10px 14px}
  .tile{padding:11px 5px 12px}
  .tools button,.rig button{padding:13px 8px}
  .fuse{padding:15px}
  body{touch-action:manipulation}
  .tile:hover{transform:none}
}


/* ============================================================
   TOUCH-CHEM — จอสัมผัส (iPad): ทุกอย่างใหญ่ขึ้น กดง่าย ไม่มีเมนูค้างจากการกดค้าง
   ============================================================ */
@media(pointer:coarse){
  .tile,.pill,.tab,.slot,.fuse,.tools button,.rig button,.langsw button,.acctchip,#clearBtn,.testlink{
    -webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
  .ptable,.made{--tilemin:108px;gap:9px}
  .tile{padding:13px 6px 14px;border-radius:12px}
  .tile .sym{font-size:26px}
  .tile .nm{font-size:12px}
  .tile .z{font-size:11px}
  .tile:active{border-color:var(--glass);background:rgba(34,211,238,.10);transform:scale(.97)}
  .pill{padding:12px 16px;font-size:12.5px;min-height:44px}
  .langsw button{padding:12px 16px}
  .tab{padding:12px 18px;font-size:12px;min-height:44px}
  .fuse{padding:17px;font-size:13.5px;min-height:52px}
  .fuserow #clearBtn{padding:0 24px;min-height:52px;font-size:12px}
  #pageLab .slot{height:118px;max-width:230px}
  .slot .sym{font-size:26px}
  .testlink{padding:15px;font-size:12.5px;min-height:48px}
  .tools button,.rig button{padding:14px 8px;min-height:48px;font-size:11.5px}
  input[type=search]{padding:13px;font-size:14px;min-height:46px}
  .chk{font-size:12.5px;padding:8px 0}
  .col,.scroller,.made,.log,.rxlist,.doc{-webkit-overflow-scrolling:touch}
  .sc-y::-webkit-scrollbar{width:12px !important}
  .rc-note,.rc-disc span,.example,.ability{font-size:13.5px}
}
/* iPad แนวนอน + นิ้ว: กล่องผสมไม่ต้องย่อจนเล็กเกินกด */
@media(pointer:coarse) and (max-width:1180px){
  #pageLab .slot{height:96px;max-width:190px}
  #pageLab .fuse{padding:14px;font-size:12.5px}
}


/* ============================================================
   IPAD-HEIGHT — จอสัมผัสที่ความสูงเหลือน้อย (Safari กินไป ~100px):
   หัวเรื่องแถวเดียว ช่องธาตุกระชับ โถกับข้อมูลเห็นครบไม่ต้องเลื่อน
   ============================================================ */
@media(pointer:coarse) and (max-height:900px){
  .app{padding:8px 10px;gap:6px}
  header{gap:6px;row-gap:6px}
  .brand h1{font-size:19px}
  .brand p{display:none}
  .hbits{flex:1 1 auto;flex-wrap:nowrap;overflow-x:auto;min-width:0;gap:6px}
  .hright{flex-wrap:nowrap;overflow-x:auto;min-width:0;gap:6px}
  .pill{padding:9px 12px;font-size:11.5px;min-height:40px}
  .langsw button{padding:9px 12px}
  .card{padding:9px}
  .card h2{margin-bottom:7px;padding-bottom:5px;font-size:10.5px}
  .toolbar{margin-bottom:6px}
  .tabs{margin-bottom:6px}
  .tab{padding:9px 13px;min-height:38px}
  input[type=search]{min-height:40px;padding:9px}
  .ptable,.made{--tilemin:92px;gap:7px}
  .tile{padding:9px 5px 10px}
  .tile .sym{font-size:22px}
  .rc-head{padding:8px 2px 5px;margin-top:2px}
  .rc-head i{display:none}
  .legend{display:none}

  #pageLab .cols{grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:7px}
  #pageLab .slot{height:62px;max-width:150px}
  #pageLab .slot .sym{font-size:18px}
  #pageLab .bench{gap:8px}
  #pageLab .combiner{padding:8px}
  #pageLab .fuse{padding:10px;font-size:11.5px;min-height:42px}
  #pageLab .fuserow{margin-top:7px}
  #pageLab .fuserow #clearBtn{min-height:42px;padding:0 16px}
  #pageLab .msg{font-size:10.5px;margin-top:4px;min-height:0}

  #pageLab canvas.vessel{width:clamp(110px,14vw,150px);margin-top:0}
  #pageLab .chamber{gap:6px 10px}
  #pageLab .readout .formula{font-size:22px}
  #pageLab .readout .title{font-size:13.5px}
  #pageLab .rc-kind{margin-top:5px;font-size:12px}
  #pageLab .ability{margin-top:5px;font-size:12px;line-height:1.35}
  #pageLab .example{margin-top:4px;font-size:11.5px;line-height:1.35}
  #pageLab .rc-disc{margin-top:6px;padding:7px 9px;gap:4px}
  #pageLab .rc-disc span{font-size:11.5px;line-height:1.4}
  #pageLab .rc-note{margin-top:6px;padding:7px 9px;font-size:11.5px}
  #pageLab .testlink{margin-top:6px;padding:10px;min-height:40px;font-size:11px}
}

/* ปุ่มกลับเมนูตอนเปิดเต็มหน้าบนจอสัมผัส */
.rc-back{position:fixed;left:10px;bottom:10px;z-index:120;font-family:var(--body);font-size:13px;
  color:#c3d6e2;background:rgba(11,17,24,.92);border:1px solid var(--edge);border-radius:999px;
  padding:10px 16px;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.5);
  -webkit-user-select:none;user-select:none}


/* ============================================================
   RUN-VS-GRID — หน้าแข่งเวลาและ 2 ผู้เล่น: ตารางธาตุกินความสูงเต็มคอลัมน์ซ้าย
   ============================================================ */
@media(min-width:861px){
  #pageRun .cols{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
    grid-template-rows:auto auto minmax(0,1fr) auto;gap:10px}
  #pageRun .col{display:contents}
  #runShelf{grid-column:1;grid-row:1 / -1;min-height:0;display:flex;flex-direction:column}
  #runShelf>.ptable{flex:1 1 0;min-height:0;overflow-y:auto;height:auto}
  #runShelf>input[type=search],#runShelf>.tabs,#runShelf>h2{flex:none}
  #runHead{grid-column:2;grid-row:1;min-height:0}
  #runCombiner{grid-column:2;grid-row:2;min-height:0}
  #runChamber{grid-column:2;grid-row:3;min-height:0;overflow:auto;
    display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 14px;align-content:start;align-items:start}
  #runChamber h2{grid-column:1 / -1;width:100%}
  #runChamber canvas.vessel{grid-column:1;width:clamp(120px,13vw,190px);height:auto;max-width:none;
    aspect-ratio:720/600;margin-top:0}
  #runChamber .readout{grid-column:2;width:auto;margin-top:0}
  #runChamber .readout .tagline,#runChamber .readout .formula,#runChamber .readout .title{text-align:left}
  #runRecords{grid-column:2;grid-row:4;min-height:0}
  #runRecords .log{max-height:16vh}
  #runHead .bigclock{font-size:28px;padding:6px 10px}
  #runHead .fuse{padding:11px;margin-top:9px}
  #runCombiner .slot{height:64px}
  #runCombiner .fuse{padding:10px;margin-top:8px}

  #pageVs .cols{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
    grid-template-rows:auto auto minmax(0,1fr) auto;gap:10px}
  #pageVs .col{display:contents}
  #vsShelf{grid-column:1;grid-row:1 / -1;min-height:0;display:flex;flex-direction:column}
  #vsShelf>.ptable{flex:1 1 0;min-height:0;overflow-y:auto;height:auto}
  #vsShelf>input[type=search],#vsShelf>.tabs,#vsShelf>h2{flex:none}
  #vsMatch{grid-column:2;grid-row:1;min-height:0}
  #pageVs .combiner{grid-column:2;grid-row:2;min-height:0}
  #vsChamber{grid-column:2;grid-row:3;min-height:0;overflow:auto;
    display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 14px;align-content:start;align-items:start}
  #vsChamber h2{grid-column:1 / -1;width:100%}
  #vsChamber canvas.vessel{grid-column:1;width:clamp(120px,13vw,190px);height:auto;max-width:none;
    aspect-ratio:720/600;margin-top:0}
  #vsChamber .readout{grid-column:2;width:auto;margin-top:0}
  #vsChamber .readout .tagline,#vsChamber .readout .formula,#vsChamber .readout .title{text-align:left}
  #vsMoves{grid-column:2;grid-row:4;min-height:0}
  #vsMoves .log{max-height:16vh}
  #pageVs .combiner .slot{height:64px}
  #pageVs .combiner .fuse{padding:10px;margin-top:8px}
}