/* สมุดติวครูผู้ช่วย: ฐานจาก mockup v1-classic-notebook (บอสเลือก 23 ต.ค. 69) */

:root{
  --paper:#FFF8E6; --card:#FFFDF5; --ink:#2E2E33; --soft:#55555d; --rule:#BCD8EE; --margin:#E0524A;
  --accent:#C9472A; --accent-soft:#FFE1D6; --good:#23764A; --red:#D32F2F; --hl:#FFE76A;
  --hand:'Mali',cursive; --body:'Sarabun','Noto Sans Thai','IBM Plex Sans Thai',sans-serif;
  --lh:32px; --pad:16px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);font-size:17px;line-height:1.6;background:var(--paper)}
h1,h2,h3{font-family:var(--hand);font-weight:700;line-height:1.3;margin:0 0 .4em}
h1{font-size:30px} h2{font-size:22px} h3{font-size:19px}
p{margin:0 0 .7em}
button{font-family:inherit;color:inherit}
.hand{font-family:var(--hand)}
.fine{font-size:14.5px;color:var(--soft)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
svg.ico{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;flex:none}

.app{max-width:1280px;margin:0 auto;position:relative;min-height:100vh}

/* header */
.top{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;padding:8px var(--pad);min-height:60px;background:var(--paper)}
.brand{min-height:44px;justify-content:center;display:flex;flex-direction:column;line-height:1.15;text-decoration:none;color:var(--ink);min-width:0;cursor:pointer;background:none;border:0;padding:0;text-align:left}
.brand b{font:700 20px var(--hand)}
.brand small{font:500 13px var(--hand);color:var(--soft)}
.dnav{display:none;gap:4px;margin-left:auto;align-items:center}
.dnav button{background:none;border:0;font:600 16px var(--hand);padding:10px 12px;min-height:44px;cursor:pointer;border-radius:10px;color:var(--ink)}
.dnav button.on{background:var(--accent-soft)}
.sample-badge{margin-left:auto;font:700 13px var(--hand);color:var(--red);border:2px dashed var(--red);padding:3px 9px;border-radius:8px;transform:rotate(2deg);background:var(--card);white-space:nowrap}

/* pages */
.page{display:none;padding:10px var(--pad) 120px}
.page.on{display:block}
.pagefoot{margin-top:28px;font-size:14px;color:var(--soft)}

/* boxes + buttons (hand-drawn border via displaced pseudo-element) */
.box{position:relative;isolation:isolate;padding:16px}
.box::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--card);border:2px solid var(--ink);border-radius:14px 18px 12px 20px/18px 12px 20px 14px;filter:url(#rough);box-shadow:3px 4px 0 rgba(0,0,0,.1)}
.btn{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border:0;background:none;font:700 18px/1.3 var(--hand);color:var(--ink);cursor:pointer;text-align:center;-webkit-tap-highlight-color:transparent}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;border:2px solid var(--ink);border-radius:12px 16px 10px 18px/16px 10px 18px 12px;background:var(--card);filter:url(#rough);box-shadow:2px 3px 0 rgba(0,0,0,.14)}
.btn.pri{color:#fff}
.btn.pri::before{background:var(--accent);border-color:#7a2713}
.btn:active{transform:translateY(1px)}
.btn:focus-visible,.opt:focus-visible,.cell:focus-visible,.tab:focus-visible,.dnav button:focus-visible,.catbtn:focus-visible,.mode:focus-visible{outline:3px dashed var(--accent);outline-offset:3px}
.btn.sm{min-height:44px;padding:8px 14px;font-size:16px}
.btn.block{display:flex;width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* home */
.home-grid{display:grid;gap:22px}
.hero .kick{margin-top:6px;font:600 18px var(--hand);color:var(--accent);margin-bottom:2px}
.hero h1{font-size:38px;line-height:1.2;margin-bottom:2px}
.hero .by{font:600 19px var(--hand);color:var(--soft);margin-bottom:12px}
.hero .lead{font-size:18px;max-width:34em}
.cta{font-size:20px;padding:14px 22px;min-height:64px;width:100%;line-height:1.35}
.hl{position:relative;display:inline-block;z-index:0}
.hl::before{content:"";position:absolute;left:-.12em;right:-.12em;top:.42em;bottom:.02em;background:var(--hl);z-index:-1;border-radius:6px 10px 5px 11px;filter:url(#rough2);transform:rotate(-1.2deg);opacity:.9}
.modes h2{margin-top:6px}
.mode{display:block;width:100%;text-align:left;border:0;background:none;padding:14px 16px;margin:0 0 14px;cursor:pointer;position:relative;isolation:isolate;font:inherit;color:inherit}
.mode::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--card);border:2px solid var(--ink);border-radius:14px 18px 12px 20px/18px 12px 20px 14px;filter:url(#rough);box-shadow:3px 4px 0 rgba(0,0,0,.1)}
.mode b{display:flex;align-items:center;gap:10px;font:700 20px var(--hand);margin-bottom:2px}
.mode span.d{display:block;font-size:16.5px;color:var(--soft);line-height:1.5}
.cats{margin-top:26px}
.cats .grp{margin-bottom:18px}
.cats .grp h3{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.catlist{display:grid;gap:10px;grid-template-columns:1fr}
.catbtn{position:relative;isolation:isolate;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;padding:10px 14px;border:0;background:none;text-align:left;font:600 17px/1.35 var(--body);cursor:pointer;color:var(--ink)}
.catbtn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--card);border:2px solid var(--ink);border-radius:12px 16px 10px 15px/15px 10px 16px 12px;filter:url(#rough)}
.catbtn small{font:500 14px var(--hand);color:var(--soft);white-space:nowrap}
.promo{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.promo p{margin:0;font-size:17px;flex:1 1 220px}
.promo s{color:var(--soft)}

/* quiz */
.qwrap{display:grid;gap:18px}
.qmain{min-width:0}
.qhead{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px;margin-bottom:6px}
.qmode{font:700 20px var(--hand)}
.qmeta{display:flex;gap:14px;font:600 16px var(--hand);color:var(--soft)}
.qmeta .tm{font-variant-numeric:tabular-nums;color:var(--ink)}
.prog{position:relative;height:12px;margin:2px 0 14px}
.prog::before{content:"";position:absolute;inset:0;border-bottom:3px solid rgba(46,46,51,.35);border-radius:6px;filter:url(#rough)}
.prog i{position:absolute;left:0;bottom:1px;height:7px;background:repeating-linear-gradient(135deg,var(--accent) 0 3px,rgba(201,71,42,.55) 3px 6px);border-radius:4px;filter:url(#rough);transition:width .3s}
.note{font-size:15px;background:var(--accent-soft);padding:8px 12px;border-radius:10px;border:1.5px dashed var(--accent)}
.qcard{padding:18px 16px 14px}
.qtag{display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;margin-bottom:10px;font:600 14.5px var(--hand);color:var(--soft)}
.qtag .part{background:var(--ink);color:#fff;border-radius:8px;padding:1px 9px}
.qtag .subtag{border:1.5px dashed var(--soft);border-radius:8px;padding:0 8px}
.qstem{font-family:var(--body);font-weight:600;font-size:18.5px;line-height:1.7;margin:0 0 14px}
.kw{font-style:normal;background:none;color:inherit}
.opts{margin:0}
.opt{position:relative;isolation:isolate;display:flex;align-items:flex-start;gap:12px;width:100%;min-height:52px;padding:8px 48px 8px 10px;text-align:left;background:none;border:0;font-family:var(--body);cursor:pointer;margin:0 0 10px;-webkit-tap-highlight-color:transparent}
.opt::before{content:"";position:absolute;inset:0;z-index:-1;border:1.8px solid rgba(46,46,51,.42);border-radius:12px 14px 11px 15px/14px 11px 15px 12px;background:rgba(255,255,255,.55);filter:url(#rough)}
.opt:hover::before{border-color:var(--ink)}
.opt .lab{flex:none;position:relative;width:40px;height:40px;display:grid;place-items:center;isolation:isolate}
.opt .lab::before{content:"";position:absolute;inset:1px;border:2.4px solid #3b3f48;border-radius:50%;filter:url(#rough);z-index:-1}
.opt .lab b{font:700 18px var(--body)}
.opt .otx{flex:1;min-width:0;font-size:17.5px;line-height:1.5;padding-top:7px;overflow-wrap:anywhere}
.opt.sel::before{border-color:var(--ink);background:#fff}
.opt.sel .lab::before{background:repeating-linear-gradient(135deg,rgba(59,63,72,.5) 0 2px,transparent 2px 5px)}
.opt .mk{position:absolute;right:10px;top:50%;width:34px;height:34px;margin-top:-17px;fill:none;stroke-width:4.5;stroke-linecap:round;stroke-linejoin:round;display:none}
.opt.right .mk-tick{display:block;stroke:var(--good)}
.opt.right::before{border-color:var(--good);background:rgba(35,118,74,.08)}
.opt.wrong .mk-x{display:block;stroke:var(--red)}
.opt.wrong::before{border-color:var(--red);background:rgba(211,47,47,.06)}
.opt.wrong .otx{text-decoration:line-through;text-decoration-color:var(--red);text-decoration-thickness:2.5px}
.opt.key::after{content:"";position:absolute;inset:-4px -3px;border:3px solid var(--red);border-radius:26px 34px 28px 32px;filter:url(#rough);pointer-events:none;transform:rotate(-.6deg)}
.opt.key .tagkey{display:block}
.opt .tagkey{display:none;position:absolute;right:12px;top:-12px;font:700 13.5px var(--hand);color:var(--red);background:var(--card);padding:0 6px;border-radius:6px}
.opts.locked .opt{cursor:default}
.fb{margin:6px 0 10px;padding:12px 14px;border-radius:14px;border:2px dashed var(--good);background:rgba(35,118,74,.07)}
.fb.bad{border-color:var(--red);background:rgba(211,47,47,.06)}
.fb .redpen{font:700 21px var(--hand);margin:0 0 4px;display:flex;align-items:center;gap:8px;color:var(--good)}
.fb.bad .redpen{color:var(--red)}
.fb .redpen svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-width:4.5;stroke-linecap:round;stroke-linejoin:round;filter:url(#rough)}
.fb .redpen span{position:relative}
.fb.bad .redpen span::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:5px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='6' viewBox='0 0 24 6'%3E%3Cpath d='M0 3 Q3 0 6 3 T12 3 T18 3 T24 3' fill='none' stroke='%23D32F2F' stroke-width='2'/%3E%3C/svg%3E") repeat-x}
.fb p{margin:0 0 .4em;font-size:17px;line-height:1.65}
.fb .exp{margin:0}
.qtools{display:flex;flex-wrap:wrap;gap:8px 14px;justify-content:space-between;margin-top:6px}
.linkbtn{background:none;border:0;padding:8px 6px;min-height:44px;font:600 15.5px var(--hand);color:var(--soft);cursor:pointer;text-decoration:underline;text-decoration-style:wavy;text-underline-offset:4px;display:inline-flex;align-items:center;gap:6px}
.linkbtn.on{color:var(--red)}
.linkbtn svg{width:20px;height:20px}
.qnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.qnav .btn{flex:1 1 120px}
.qside{padding:14px}
.qside .tmbig{display:none}
.navgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:8px;margin:8px 0 10px}
.cell{position:relative;isolation:isolate;min-height:46px;border:0;background:none;font:700 17px var(--hand);cursor:pointer;color:var(--ink)}
.cell::before{content:"";position:absolute;inset:2px;z-index:-1;border:2px solid rgba(46,46,51,.5);border-radius:10px 12px 9px 13px;background:var(--card);filter:url(#rough)}
.cell.done::before{background:repeating-linear-gradient(135deg,rgba(35,118,74,.28) 0 2px,rgba(255,255,255,.6) 2px 5px);border-color:var(--good)}
.cell.cur::before{border-color:var(--accent);border-width:3px}
.cell.flag i{position:absolute;right:3px;top:0;width:14px;height:14px;background:var(--red);border-radius:50% 50% 50% 0;transform:rotate(-45deg) scale(.75)}
.legend{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:14px;color:var(--soft);margin-bottom:10px}
.legend span{display:inline-flex;align-items:center;gap:5px}
.legend i{width:14px;height:14px;border:2px solid rgba(46,46,51,.5);border-radius:4px;display:inline-block}
.legend i.d{background:rgba(35,118,74,.4);border-color:var(--good)}
.legend i.f{background:var(--red);border-color:var(--red);border-radius:50%}

/* result */
.res-head{margin-bottom:12px}
.res-head p{font-size:15px;color:var(--soft);margin:0}
.res-grid{display:grid;gap:18px}
.radar{width:100%;height:auto;display:block;max-width:470px;margin:0 auto}
.radar text{font-family:var(--hand);font-weight:600;font-size:17px;fill:var(--ink)}
.radar .pct{font-size:14px;fill:var(--accent);font-weight:700}
.overall{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.overall .big{font:800 50px/1 var(--hand);color:var(--accent)}
.pbadges{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 6px}
.pbadge{flex:1 1 200px;border:2.5px dashed;border-radius:12px;padding:8px 12px;font-family:var(--hand);font-weight:700;font-size:17px;line-height:1.35;transform:rotate(-.8deg)}
.pbadge small{display:block;font:500 14px var(--body);color:var(--soft)}
.pbadge.ok{color:var(--good);border-color:var(--good);background:rgba(35,118,74,.07)}
.pbadge.bad{color:var(--red);border-color:var(--red);background:rgba(211,47,47,.06);transform:rotate(.8deg)}
.bgrp{margin-top:12px}
.bgrp h3{font-size:18px;margin-bottom:0}
.brow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 8px;align-items:end;margin:8px 0 10px}
.blab{font-size:16.5px;line-height:1.4}
.bpct{font:700 19px var(--hand);text-align:right}
.btrack{grid-column:1/-1;position:relative;height:20px}
.btrack::before{content:"";position:absolute;inset:0;border:2px solid var(--ink);border-radius:8px 10px 7px 11px;filter:url(#rough);background:rgba(255,255,255,.6)}
.btrack i{position:absolute;left:4px;top:4px;bottom:4px;border-radius:5px;filter:url(#rough);background:repeating-linear-gradient(135deg,var(--good) 0 3px,rgba(35,118,74,.55) 3px 6px)}
.btrack i.low{background:repeating-linear-gradient(135deg,var(--accent) 0 3px,rgba(201,71,42,.55) 3px 6px)}
.btrack .thr{position:absolute;left:60%;top:-4px;bottom:-4px;border-left:2.5px dashed var(--red);z-index:1}
.thrnote{font-size:14px;color:var(--soft);margin:2px 0 0}
.gate-wrap{position:relative;margin-top:22px}
.gate-content{display:grid;gap:18px}
.gate-lock{display:none}
.weak{list-style:none;margin:0;padding:0}
.weak li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1.5px dashed rgba(46,46,51,.3)}
.weak li:last-child{border-bottom:0}
.weak .n{flex:none;width:34px;height:34px;display:grid;place-items:center;font:800 19px var(--hand);color:#fff;background:var(--accent);border-radius:50%}
.weak b{display:block;font-size:17px;line-height:1.4}
.weak span{font-size:15px;color:var(--soft)}
.weak em{font-style:normal;font:700 17px var(--hand);color:var(--red);margin-left:auto;white-space:nowrap}
.sets{display:grid;gap:10px}
.setcard{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.setcard p{margin:0;flex:1 1 180px;font-size:16.5px;line-height:1.45}
.resact{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.resact .btn{flex:1 1 200px}

/* unlock */
.unlock-grid{display:grid;gap:18px}
.cmp{padding:16px 14px}
.cmp table{width:100%;border-collapse:collapse;font-size:16px;margin-top:6px}
.cmp th{font:700 16px var(--hand);text-align:center;padding:4px 2px}
.cmp th:first-child{text-align:left}
.cmp td{padding:9px 2px;border-top:1.5px dashed rgba(46,46,51,.28);text-align:center;vertical-align:middle;line-height:1.4}
.cmp td:first-child{text-align:left;padding-right:6px}
.cmp th:nth-child(2),.cmp td:nth-child(2){width:68px}
.cmp th:nth-child(3),.cmp td:nth-child(3){width:78px}
.cmp td small{display:block;font-size:13.5px;color:var(--soft)}
.cmp svg{width:24px;height:24px;fill:none;stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
.cmp .y{stroke:var(--good)} .cmp .n{stroke:#9a9aa2}
.pay{text-align:center}
.price{display:flex;align-items:baseline;justify-content:center;flex-wrap:wrap;gap:6px 12px;margin:2px 0 4px}
.price s{font:600 24px var(--hand);color:var(--soft);text-decoration-color:var(--red);text-decoration-thickness:3px}
.price b{font:800 52px/1 var(--hand);color:var(--accent)}
.price .u{font:700 20px var(--hand)}
.eb{display:inline-block;font:700 15px var(--hand);color:#fff;background:var(--red);padding:2px 12px;border-radius:999px;transform:rotate(-3deg)}
.qrframe{width:min(230px,70%);aspect-ratio:1;margin:14px auto 8px;position:relative;isolation:isolate;display:grid;place-items:center}
.qrframe::before{content:"";position:absolute;inset:0;z-index:-1;border:3px dashed var(--ink);border-radius:14px;background:#fff;filter:url(#rough)}
.qrframe svg{width:70%;height:70%;margin-top:-14px}
.qrframe span{position:absolute;bottom:8px;left:6px;right:6px;font:700 12.5px/1.2 var(--hand);color:var(--soft)}
.steps{text-align:left;font-size:16px;margin:10px auto 14px;max-width:360px;padding-left:22px;line-height:1.55}
.steps li{margin-bottom:3px}
.warn{font-size:15px;border:1.5px dashed var(--red);border-radius:10px;padding:8px 12px;background:rgba(211,47,47,.05);margin:12px 0 0;text-align:left}
.paidstamp{display:none;margin:12px auto 0;font:800 22px var(--hand);color:var(--good);border:3px solid var(--good);border-radius:12px;padding:4px 16px;transform:rotate(-4deg);width:fit-content}

/* login */
.login{max-width:520px;margin:16px auto 0;text-align:center}
.login .btn{margin:6px 0;min-height:54px}
.btn.line::before{background:#06C755;border-color:#05632c}
.btn.line{color:#06240f}
.btn.gg::before{background:#fff}
.login .skip{display:inline-block;margin-top:10px}

/* faq */
.faq{max-width:760px;margin:0 auto}
.faq details{margin-bottom:12px}
.faq summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:10px;font:700 18.5px/1.4 var(--hand);padding:6px 0}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:700 26px var(--hand);color:var(--accent)}
.faq details[open] summary::after{content:"-"}
.faq details p{margin:4px 0 4px;font-size:17px}

/* tabbar */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(5,1fr);background:var(--paper);padding:4px 4px calc(4px + env(safe-area-inset-bottom));border-top:2px solid var(--ink)}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:56px;border:0;background:none;font:600 13px var(--hand);color:var(--soft);cursor:pointer;border-radius:12px;padding:2px 0}
.tab.on{color:var(--accent);background:var(--accent-soft)}

/* sheets, toast */
.scrim{position:fixed;inset:0;z-index:60;background:rgba(30,30,35,.45);display:none;align-items:flex-end;justify-content:center}
.scrim.on{display:flex}
.sheetbox{width:100%;max-width:520px;background:var(--paper);padding:18px 16px calc(18px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0;border:2px solid var(--ink);border-bottom:0}
.sheetbox h3{margin-bottom:8px}
.sheetbox .btn{margin-top:8px}
.radio{display:flex;align-items:center;gap:10px;min-height:46px;font-size:17px;cursor:pointer}
.radio input{width:22px;height:22px;accent-color:var(--accent)}
.toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%) translateY(20px);opacity:0;z-index:80;background:var(--ink);color:#fff;font:600 16px var(--hand);padding:10px 16px;border-radius:12px;max-width:90vw;text-align:center;pointer-events:none;transition:.25s}
.toast.on{opacity:1;transform:translateX(-50%)}

/* desktop */
@media (min-width:900px){
  :root{--pad:40px}
  .tabbar{display:none}
  .dnav{display:flex}
  .sample-badge{margin-left:12px}
  .page{padding:20px var(--pad) 60px}
  .home-grid{grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
  .hero h1{font-size:50px}
  .hero .lead{font-size:19px}
  .cta{width:auto;min-width:420px;font-size:22px}
  .catlist{grid-template-columns:repeat(2,1fr)}
  .qwrap{grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}
  .qcard{padding:22px 24px 16px}
  .qstem{font-size:20px}
  .opt .otx{font-size:18px}
  .qside{position:sticky;top:76px}
  .qside .tmbig{display:block;font:800 40px/1 var(--hand);text-align:center;margin:0 0 8px;font-variant-numeric:tabular-nums}
  .qmeta .tm-wrap{display:none}
  .res-grid{grid-template-columns:1fr 1fr;gap:28px;align-items:start}
  .gate-content{grid-template-columns:1fr 1fr}
  .gate-content .wide{grid-column:1/-1}
  .unlock-grid{grid-template-columns:1.2fr 1fr;gap:28px;align-items:start}
  .toast{bottom:30px}
  .scrim{align-items:center}
  .sheetbox{border-radius:20px;border-bottom:2px solid var(--ink)}
}
@media (min-width:1200px){
  .catlist{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:380px){
  :root{--pad:12px}
  .hero h1{font-size:34px}
  .brand b{font-size:18px}
  .sample-badge{font-size:12px;padding:2px 7px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* v1 classic notebook: เส้นฟ้าบนกระดาษครีม เส้นขอบแดงซ้าย รูเจาะ */
body{--paper:#FFF6DC;--card:#FFFCF0;--rule:#B6D5F0;--hl:#FFEB8A;--hand:'Mali',cursive;--lm:60px;background:#E7DFCB}
.app{background:var(--paper) repeating-linear-gradient(to bottom,transparent 0 30px,var(--rule) 30px 32px);box-shadow:0 0 0 1px rgba(0,0,0,.08),0 8px 30px rgba(0,0,0,.15)}
.app::before{content:"";position:absolute;top:0;bottom:0;left:calc(var(--lm) - 12px);width:0;border-left:2.5px solid var(--margin);border-right:1px solid rgba(224,82,74,.55);padding-left:3px;pointer-events:none;z-index:2;filter:url(#rough)}
.app::after{content:"";position:absolute;left:8px;top:0;bottom:0;width:26px;pointer-events:none;z-index:2;background:radial-gradient(circle at 13px 50%,#E7DFCB 0 8px,#9a927e 8.5px 10px,transparent 10.5px) 0 0/26px 110px repeat-y}
.top{background:var(--paper);padding-left:var(--lm);border-bottom:2px solid var(--rule)}
.page{padding-left:var(--lm)}
.pagefoot{padding-right:4px}
.sample-badge{transform:rotate(2deg)}
.hero h1{letter-spacing:-.2px}
.hero .lead{background:rgba(255,246,220,.8)}
.kw{background:none}
.pencil-doodle{display:block;width:150px;height:40px;margin:2px 0 8px;fill:none;stroke:#4a4f5a;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;filter:url(#rough)}
.tab.on{background:rgba(224,82,74,.12)}
@media (min-width:900px){body{--lm:110px}.app{margin:18px auto 30px;min-height:calc(100vh - 48px)}.app::after{left:24px}}
@media (max-width:380px){body{--lm:52px}}


/* ===== ส่วนเพิ่มของแอปจริง ===== */
[hidden]{display:none!important}
a{color:var(--accent)}
.tabbar{grid-template-columns:repeat(5,1fr)}
.top .who{display:none}
.mode-badge{margin-left:auto;font:700 13px var(--hand);color:var(--red);border:2px dashed var(--red);padding:3px 9px;border-radius:8px;transform:rotate(2deg);background:var(--card);white-space:nowrap}
@media (min-width:900px){.mode-badge{margin-left:12px}}
.sitefoot{margin:34px 0 0;padding-top:12px;border-top:1.5px dashed rgba(46,46,51,.3);display:flex;flex-wrap:wrap;gap:4px 14px;font-size:14.5px}
.sitefoot a{display:inline-flex;align-items:center;min-height:44px;color:var(--soft)}
.stack{display:grid;gap:18px}
.center{text-align:center}
.muted{color:var(--soft)}
.tag-sample{display:inline-block;font:700 14px var(--hand);color:var(--red);border:2px dashed var(--red);border-radius:8px;padding:1px 8px;transform:rotate(-1.5deg);background:var(--card)}
.banner{padding:10px 14px;border-radius:12px;border:2px dashed var(--accent);background:var(--accent-soft);font-size:16px;line-height:1.55;margin:0 0 14px}
.banner.warn{border-color:var(--red);background:rgba(211,47,47,.06)}
.banner b{font-family:var(--hand)}
.priceline{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:4px 0}
.priceline b{font:800 34px/1 var(--hand);color:var(--accent)}
.checkrow{display:flex;gap:10px;align-items:flex-start;text-align:left;font-size:16px;line-height:1.5;margin:12px 0;cursor:pointer}
.checkrow input{width:24px;height:24px;flex:none;margin-top:1px;accent-color:var(--accent)}
.spinner{display:inline-block;width:22px;height:22px;border:3px solid rgba(46,46,51,.2);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.formrow{display:grid;gap:6px;margin:10px 0;text-align:left}
.formrow input,.formrow textarea{font:inherit;font-size:17px;padding:10px 12px;border:2px solid var(--ink);border-radius:10px;background:#fff;min-height:44px;width:100%}
.gbtn-wrap{display:flex;justify-content:center;min-height:48px;margin:10px 0}
.qnum{font:700 20px var(--hand)}
.legal{font-size:15px;color:var(--soft);margin-top:6px}
.legal a{word-break:break-all}
.subtable{width:100%;border-collapse:collapse;font-size:15.5px}
.subtable td{padding:7px 4px;border-top:1.5px dashed rgba(46,46,51,.25);vertical-align:middle}
.subtable td.n{white-space:nowrap;text-align:right;font:700 16px var(--hand)}
.subtable .mini{height:10px;border:1.5px solid var(--ink);border-radius:6px;position:relative;margin-top:4px;background:#fff}
.subtable .mini i{position:absolute;left:0;top:0;bottom:0;border-radius:5px;background:var(--good)}
.subtable .mini i.low{background:var(--accent)}
.subtable .mini .thr{position:absolute;left:60%;top:-3px;bottom:-3px;border-left:2px dashed var(--red)}
.plan{list-style:none;margin:0;padding:0}
.plan li{display:flex;gap:12px;padding:9px 0;border-bottom:1.5px dashed rgba(46,46,51,.25)}
.plan li:last-child{border-bottom:0}
.plan .d{flex:none;width:52px;font:700 16px var(--hand);color:var(--accent)}
.plan .c{display:block;font:600 14px var(--hand);color:var(--soft)}
.catmsg{font-size:15px;color:var(--soft);margin:-4px 0 8px}
.hist{list-style:none;margin:0;padding:0}
.hist li{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1.5px dashed rgba(46,46,51,.25)}
.hist li:last-child{border-bottom:0}
.hist b{font:700 22px var(--hand);color:var(--accent)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 14px}
.filters .btn{flex:1 1 140px}
.btn.on::before{background:var(--accent-soft)}
.review-item{margin-bottom:16px}
.review-item .yours{font:700 15px var(--hand);margin:0 0 8px}
.review-item .yours.ok{color:var(--good)} .review-item .yours.bad{color:var(--red)}
.sheetbox textarea{font:inherit;font-size:16px;width:100%;min-height:72px;padding:8px 10px;border:2px solid var(--ink);border-radius:10px;margin-top:6px}
.sheetbox p{margin:6px 0}
.timer-low{color:var(--red)!important}
.doc{max-width:780px}
.doc h2{margin-top:22px}
.doc li{margin-bottom:6px}
.empty{padding:16px;text-align:center}
.unlock-cta{display:grid;gap:10px}
.unlock-cta .btn{width:100%}
.qstem,.fb .exp,.weak b{white-space:pre-line}
.unit{border-bottom:1.5px dashed rgba(46,46,51,.25)}
.unit summary{list-style:none;cursor:pointer;display:flex;gap:10px;justify-content:space-between;align-items:center;min-height:48px;padding:6px 0;font-size:16px}
.unit summary::-webkit-details-marker{display:none}
.unit summary>span{flex:1;min-width:0}
.unit summary b{font:700 18px var(--hand);white-space:nowrap}
.unit .mini{display:block;height:10px;border:1.5px solid var(--ink);border-radius:6px;position:relative;margin-top:4px;background:#fff}
.unit .mini i{position:absolute;left:0;top:0;bottom:0;border-radius:5px;background:var(--good)}
.unit .mini i.low{background:var(--accent)}
.unit .mini .thr{position:absolute;left:60%;top:-3px;bottom:-3px;border-left:2px dashed var(--red)}
.unit p{margin:0 0 10px;font-size:15.5px}
.weak span{display:block}
/* หน้าผลแบบกระชับ */
.sumbox .h-weak{margin-top:14px}
.sect{margin-top:16px;padding:0 16px}
.sect>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:56px;font:700 19px/1.35 var(--hand)}
.sect>summary::-webkit-details-marker{display:none}
.sect>summary::after{content:"+";font:700 26px var(--hand);color:var(--accent)}
.sect[open]>summary::after{content:"-"}
.sect[open]{padding-bottom:14px}
.sect .res-grid{margin-top:4px}
.tip summary{list-style:none;cursor:pointer;min-height:44px;display:inline-flex;align-items:center;font:600 15px var(--hand);color:var(--accent);text-decoration:underline}
.tip summary::-webkit-details-marker{display:none}
.tip p{font-size:15px;margin:0 0 4px;color:var(--ink)}
@media (min-width:900px){.sect{padding:0 24px}}
/* D067 จ่ายผ่านแชตเพจ / รหัสปลดล็อก */
.chatpay{margin-top:12px;text-align:left}
.chatpay .btn{margin-top:8px}
.chatpay.alt summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:center;font:600 16px var(--hand);color:var(--soft);text-decoration:underline}
.chatpay.alt summary::-webkit-details-marker{display:none}
.codein{font:700 22px/1.2 ui-monospace,Menlo,monospace!important;letter-spacing:2px;text-transform:uppercase;text-align:center}