:root{
  --bg:#FFF8F1;--ink:#2A2230;--muted:#6E6478;--card:#FFFFFF;--line:#EFE3D6;
  --cV:#F59E0B;--cC:#EC4F8B;--cR:#14B8A6;--cW:#8B6CF0;--cX:#3B82F6;
  --tV:#FFF0DC;--tC:#FDE7F0;--tR:#DFF6F3;--tW:#EEE9FE;--tX:#E3EEFF;
  --dV:#B4530A;--dC:#B4235E;--dR:#0B7C78;--dW:#5B3FB0;--dX:#1D4ED8;
  --accent:#5B3FB0;--bad:#DC2626;--badbg:#FEE2E2;--ok:#16A34A;--okbg:#DCFCE7;--btnText:#FFFFFF;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0B1426;--ink:#EEF3FB;--muted:#9FB0CC;--card:#13213A;--line:#24375A;
  --tV:#2A2716;--tC:#1F2A4D;--tR:#0F3036;--tW:#1E2650;--tX:#13284A;
  --dV:#FDBA74;--dC:#F9A8C8;--dR:#5EEAD4;--dW:#C4B5FD;--dX:#93C5FD;
  --accent:#C4B5FD;--bad:#F87171;--badbg:#3A1C24;--ok:#4ADE80;--okbg:#0F3527;--btnText:#0B1426;color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0B1426;--ink:#EEF3FB;--muted:#9FB0CC;--card:#13213A;--line:#24375A;
  --tV:#2A2716;--tC:#1F2A4D;--tR:#0F3036;--tW:#1E2650;--tX:#13284A;
  --dV:#FDBA74;--dC:#F9A8C8;--dR:#5EEAD4;--dW:#C4B5FD;--dX:#93C5FD;
  --accent:#C4B5FD;--bad:#F87171;--badbg:#3A1C24;--ok:#4ADE80;--okbg:#0F3527;--btnText:#0B1426;color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 Inter,system-ui,-apple-system,Segoe UI,sans-serif;
  padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
[lang="th"]{font-family:"Noto Serif Thai",serif}
a{color:var(--accent)}
.band{position:fixed;top:0;left:0;right:0;height:5px;z-index:9;background:linear-gradient(90deg,var(--cV) 0 20%,var(--cC) 20% 40%,var(--cR) 40% 60%,var(--cW) 60% 80%,var(--cX) 80%)}
.top{max-width:1080px;margin:0 auto;padding:22px 20px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.35rem;text-decoration:none;background:linear-gradient(90deg,var(--dW),var(--cC));-webkit-background-clip:text;background-clip:text;color:transparent;display:flex;flex-direction:column;line-height:1.1}
.logo small{font-size:.72rem;color:var(--muted);-webkit-text-fill-color:var(--muted);font-weight:500}
nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.langpick{position:relative}
.langpick summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;height:36px;padding:0 11px;border-radius:99px;border:1.5px solid var(--line);background:var(--card);font-weight:700;font-size:.85rem;user-select:none}
.langpick summary::-webkit-details-marker{display:none}
.langpick[open] summary{border-color:var(--dW)}
.lp-flag{font-size:1.15rem;line-height:1}.lp-caret{font-size:.7rem;color:var(--muted);transition:transform .2s}
.langpick[open] .lp-caret{transform:rotate(180deg)}
.langmenu{position:absolute;right:0;top:calc(100% + 8px);z-index:20;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:8px;display:grid;grid-template-columns:1fr 1fr;gap:4px;min-width:290px;box-shadow:0 18px 40px rgba(15,23,42,.18)}
.langmenu a{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:11px;color:var(--ink);font-weight:600;font-size:.9rem;text-decoration:none}
.langmenu a:hover{background:var(--tW)}
.langmenu a.on{background:var(--dW);color:var(--btnText)}
.themebtn{font-size:1rem;width:36px;height:36px;border-radius:11px;border:1.5px solid var(--line);background:var(--card);cursor:pointer;padding:0;line-height:1}
.inline{display:inline;margin:0}
button.link{background:none;border:0;padding:0;font:inherit;font-weight:600;font-size:.95rem;color:var(--muted);cursor:pointer}
.btn{display:inline-block;text-align:center;background:var(--dW);color:var(--btnText);text-decoration:none;font-weight:700;border:0;border-radius:14px;padding:13px 22px;font-size:1rem;cursor:pointer;box-shadow:0 6px 18px rgba(91,63,176,.25);font-family:inherit}
.btn.ghost{background:var(--card);color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn.small{padding:7px 14px;font-size:.9rem;border-radius:11px;box-shadow:none;color:var(--btnText)}
main{max-width:1080px;margin:0 auto;padding:0 20px 40px}
section{margin:46px 0}
h1{font-size:clamp(2rem,6vw,3.3rem);line-height:1.1;margin:.2em 0 .35em;letter-spacing:-.02em}
h2{font-size:1.5rem;margin:0 0 18px}
h3{margin:.3em 0 .2em;font-size:1.08rem}
.kicker{color:var(--dW);font-weight:700;margin:0;text-transform:uppercase;letter-spacing:.06em;font-size:.82rem}
.lead{font-size:1.1rem;color:var(--muted);max-width:34em}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:34px;align-items:center;margin-top:24px}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 20px 50px rgba(91,63,176,.12)}
.glyphs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.g{display:flex;align-items:center;justify-content:center;height:92px;border-radius:18px;font-size:2.3rem;font-weight:700}
.gV{background:var(--tV);color:var(--dV)}.gC{background:var(--tC);color:var(--dC)}.gR{background:var(--tR);color:var(--dR)}.gW{background:var(--tW);color:var(--dW);font-size:1.7rem}
.tones{display:flex;justify-content:space-around;margin-top:18px}
.tones div{text-align:center}.tones b{display:block;font-size:1.8rem;color:var(--dW)}.tones small{color:var(--muted)}
.chapters{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.chap{text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px;transition:transform .15s}
.chap:hover{transform:translateY(-3px)}
.chap p{margin:0;color:var(--muted);font-size:.92rem}
.cg{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;font-size:1.6rem;font-weight:700}
.cV .cg{background:var(--tV);color:var(--dV)}.cC .cg{background:var(--tC);color:var(--dC)}.cR .cg{background:var(--tR);color:var(--dR)}.cW .cg{background:var(--tW);color:var(--dW)}.cX .cg{background:var(--tX);color:var(--dX)}
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px}
.feat .ic{font-size:1.6rem}.feat p{margin:0;color:var(--muted);font-size:.92rem}
.final{text-align:center;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.foot{max-width:1080px;margin:0 auto;padding:24px 20px 34px;color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;border-top:1px solid var(--line)}
/* Formulaires */
.box{max-width:420px;margin:30px auto;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:26px}
.box h1{font-size:1.7rem}
label{display:block;font-weight:600;font-size:.92rem;margin:14px 0 6px}
input[type=email],input[type=password],input[type=text]{width:100%;font:inherit;font-size:1rem;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink)}
input:focus{outline:2px solid var(--cW);border-color:transparent}
.box .btn{width:100%;margin-top:20px}
.hint{color:var(--muted);font-size:.82rem;margin:4px 0 0}
.err{background:var(--badbg);color:var(--bad);border-radius:12px;padding:10px 12px;font-size:.92rem;margin:10px 0}
.okmsg{background:var(--okbg);color:var(--ok);border-radius:12px;padding:10px 12px;font-size:.92rem;margin:10px 0}
.alt{text-align:center;color:var(--muted);font-size:.92rem;margin-top:16px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}
.stat{background:var(--tW);border-radius:14px;padding:12px;text-align:center}
.stat b{display:block;font-size:1.6rem;color:var(--dW)}.stat span{font-size:.78rem;color:var(--muted)}
.danger{border-color:var(--badbg)}
.btn.red{background:var(--bad);box-shadow:none}
@media (max-width:900px){.chapters{grid-template-columns:repeat(2,1fr)}.feats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){.hero{grid-template-columns:1fr}.hero-card{order:-1}.g{height:70px;font-size:1.9rem}}
@media (max-width:460px){.chapters,.feats{grid-template-columns:1fr}.top{padding:20px 16px 6px}main{padding:0 16px 30px}.foot{flex-direction:column;gap:6px}}
.btn.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;background:#fff;color:#1f1f1f;border:1.5px solid #dadce0;box-shadow:none;width:100%;margin-top:14px}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.85rem;margin:16px 0 0}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.forgot{display:block;text-align:right;font-size:.85rem;margin-top:8px}
@media (max-width:460px){nav .btn.small{display:none}nav{gap:10px}}
@media (max-width:460px){.langmenu{position:fixed;left:16px;right:16px;top:74px;min-width:0}}
/* Admin */
.box.wide{max-width:1040px}
.ah{font-size:1.1rem;margin:22px 0 8px}
.stats.four{grid-template-columns:repeat(4,1fr)}
.langs-sum{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 14px}
.chip{display:inline-flex;gap:6px;align-items:center;padding:5px 10px;border-radius:99px;background:var(--tW);color:var(--ink);text-decoration:none;font-size:.85rem}
.afilter{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 12px}
.afilter input,.afilter select{font:inherit;font-size:.92rem;padding:8px 10px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink)}
.afilter input{flex:1 1 180px;width:auto}
.ascroll{overflow-x:auto}
table.at{width:100%;border-collapse:collapse;font-size:.88rem}
.at th{text-align:left;color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;padding:8px;border-bottom:1.5px solid var(--line)}
.at td{padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.at tbody tr{cursor:pointer}.at tbody tr:hover{background:var(--tW)}
.at small{color:var(--muted)}
@media (max-width:600px){.stats.four{grid-template-columns:repeat(2,1fr)}}
.afilter .btn{width:auto;margin-top:0}

/* Lien mode simple (grands débutants) */
.simple-cta{display:flex;align-items:center;gap:14px;margin-top:18px;padding:14px 16px;border-radius:14px;border:1.5px dashed var(--line);background:var(--card);color:var(--ink);text-decoration:none;max-width:520px}
.simple-cta:hover,.simple-cta:focus-visible{border-color:var(--dW);border-style:solid}
.simple-cta b{display:block}.simple-cta small{display:block;color:var(--muted);font-size:.88rem;margin-top:2px}
.sc-ic{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;background:var(--dW);color:var(--btnText)}
.sc-go{margin-left:auto;font-weight:800;color:var(--dW)}