:root{--red:#c8102e;--red2:#ff3b4f;--navy:#0b1633;--navy2:#13224d;--gold:#e8b84a;--gold2:#ffd97a;--cream:#f7efdc;--ink:#e9e4d6}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--navy);color:var(--ink);font-family:Kanit,sans-serif;min-height:100%}
#bg{position:fixed;inset:0;z-index:-1;background:radial-gradient(1200px 600px at 80% -10%,#3a1020 0,transparent 60%),radial-gradient(900px 500px at -10% 110%,#1b2f6b 0,transparent 60%),linear-gradient(180deg,#0b1633,#070d20)}
#app{max-width:520px;margin:0 auto;padding:14px 14px 96px}
h1,h2,h3{margin:.3em 0}.serif{font-family:'Playfair Display',serif}
.gold{color:var(--gold)}.muted{opacity:.7;font-size:.9em}
.card{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid rgba(232,184,74,.25);border-radius:20px;padding:16px;margin:12px 0;box-shadow:0 10px 30px rgba(0,0,0,.35);backdrop-filter:blur(8px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;padding:13px 18px;font:600 16px Kanit;color:#fff;background:linear-gradient(135deg,var(--red2),var(--red));box-shadow:0 6px 18px rgba(200,16,46,.45);cursor:pointer;transition:transform .12s}
.btn:active{transform:scale(.96)}.btn.g{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#2a1a00;box-shadow:0 6px 18px rgba(232,184,74,.35)}
.btn.o{background:transparent;border:1px solid rgba(232,184,74,.5);color:var(--gold);box-shadow:none}.btn.w{width:100%}
input,textarea,select{width:100%;padding:14px;border-radius:14px;border:1px solid rgba(232,184,74,.35);background:rgba(0,0,0,.35);color:#fff;font:16px Kanit;margin:6px 0}
.top{display:flex;align-items:center;gap:10px}.top img{width:46px;height:46px;border-radius:50%;border:2px solid var(--gold)}
.xpbar{height:10px;border-radius:9px;background:rgba(255,255,255,.1);overflow:hidden}.xpbar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--red2));transition:width .8s}
.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:5px 10px;border-radius:99px;background:rgba(232,184,74,.15);color:var(--gold2);font-size:13px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{border-radius:18px;padding:16px 12px;text-align:center;background:linear-gradient(160deg,var(--navy2),#0d1838);border:1px solid rgba(232,184,74,.2);cursor:pointer;transition:.15s}
.tile:active{transform:scale(.96)}.tile b{display:block;font-size:30px}
nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:rgba(7,13,32,.92);border-top:1px solid rgba(232,184,74,.25);padding:8px 0 calc(8px + env(safe-area-inset-bottom));backdrop-filter:blur(10px);z-index:5}
nav a{color:var(--ink);text-decoration:none;font-size:11px;text-align:center;opacity:.65}nav a b{display:block;font-size:22px}nav a.on{opacity:1;color:var(--gold)}
.map{position:relative;padding:10px 0}
.node{display:flex;align-items:center;gap:12px;margin:8px 0;padding:12px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);cursor:pointer}
.node .ic{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:28px;background:radial-gradient(circle at 30% 30%,#2b3d78,#101c40);border:2px solid rgba(232,184,74,.4);flex:none}
.node.done .ic{background:radial-gradient(circle at 30% 30%,var(--gold2),var(--gold));border-color:#fff}.node.lock{opacity:.4}
.node:nth-child(even){margin-left:26px}
.lesson{min-height:300px;display:flex;flex-direction:column;justify-content:center;text-align:center;font-size:19px;line-height:1.6;animation:pop .35s}
@keyframes pop{from{transform:scale(.9) translateY(20px);opacity:0}}
.opt{display:block;width:100%;text-align:left;margin:8px 0;padding:14px;border-radius:14px;border:1px solid rgba(232,184,74,.25);background:rgba(255,255,255,.05);color:#fff;font:16px Kanit;cursor:pointer}
.opt.ok{background:#1e7a43;border-color:#5f5}.opt.bad{background:#7a1e2a;border-color:#f55;animation:shake .3s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.timer{height:6px;background:var(--gold);border-radius:6px;transition:width linear}
#toast{position:fixed;top:16px;left:50%;transform:translateX(-50%) translateY(-120px);background:linear-gradient(135deg,var(--gold2),var(--gold));color:#2a1a00;padding:10px 18px;border-radius:14px;font-weight:600;transition:.4s;z-index:20;box-shadow:0 8px 24px rgba(0,0,0,.4)}#toast.on{transform:translateX(-50%)}
.chat{display:flex;flex-direction:column;gap:8px;max-height:52vh;overflow:auto;padding:4px}
.msg{padding:10px 14px;border-radius:16px;max-width:85%;line-height:1.5}.msg.c{background:rgba(255,255,255,.08);align-self:flex-start}.msg.s{background:linear-gradient(135deg,var(--red2),var(--red));align-self:flex-end}
.score{font-size:54px;font-weight:800;color:var(--gold2);text-align:center}
.bars div{display:flex;align-items:center;gap:8px;margin:4px 0;font-size:14px}.bars span{flex:1;height:8px;background:rgba(255,255,255,.1);border-radius:8px;overflow:hidden}.bars span i{display:block;height:100%;background:var(--gold)}
.flip{perspective:900px;height:260px;cursor:pointer}.flip>div{position:relative;width:100%;height:100%;transition:transform .6s;transform-style:preserve-3d}.flip.on>div{transform:rotateY(180deg)}
.flip .f,.flip .b{position:absolute;inset:0;backface-visibility:hidden;border-radius:20px;display:grid;place-items:center;padding:20px;text-align:center;font-size:20px;background:linear-gradient(160deg,var(--red),#5a0715);border:2px solid var(--gold)}.flip .b{transform:rotateY(180deg);background:linear-gradient(160deg,var(--navy2),#060c1f);font-size:17px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}.pair .opt{font-size:14px;margin:0}.opt.sel{border-color:var(--gold);background:rgba(232,184,74,.2)}.opt.gone{visibility:hidden}
.conf{position:fixed;top:-20px;font-size:22px;animation:fall 2.2s linear forwards;z-index:30;pointer-events:none}@keyframes fall{to{transform:translateY(110vh) rotate(720deg)}}
.lb{display:flex;align-items:center;gap:10px;padding:10px;border-bottom:1px solid rgba(255,255,255,.07)}.lb b{width:30px;color:var(--gold)}
.hero{text-align:center;padding:30px 0}.hero img{width:120px;border-radius:50%;border:3px solid var(--gold);box-shadow:0 0 40px rgba(232,184,74,.4);animation:glow 3s infinite alternate}@keyframes glow{to{box-shadow:0 0 70px rgba(200,16,46,.6)}}
@media print{body *{visibility:hidden}#cert,#cert *{visibility:visible}#cert{position:fixed;inset:0;margin:0}}
#cert{background:var(--cream);color:var(--navy);border:10px double var(--gold);padding:30px 20px;text-align:center;border-radius:6px}
#cert h1{font-family:'Playfair Display';color:var(--red);font-size:30px}
table{width:100%;border-collapse:collapse;font-size:14px}td,th{padding:7px;border-bottom:1px solid rgba(255,255,255,.1);text-align:left}
/* v2 */
nav a{flex:1;min-width:0;font-size:10.5px;white-space:nowrap}nav a b{font-size:21px}
.seg{display:flex;gap:4px;background:rgba(0,0,0,.3);border-radius:14px;padding:4px;margin:8px 0}.seg button{flex:1;border:0;background:none;color:var(--ink);padding:9px 2px;border-radius:10px;font:13px Kanit}.seg button.on{background:var(--gold);color:#2a1a00;font-weight:600}
.hscroll{display:flex;gap:6px;overflow-x:auto;padding:4px 0 10px;-webkit-overflow-scrolling:touch}.hscroll .chip{flex:none;border:1px solid rgba(232,184,74,.35);color:var(--ink);font:13px Kanit;text-decoration:none;cursor:pointer}.chip.on{background:var(--gold);color:#2a1a00}
.vgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}.vcard{position:relative;min-height:120px;border-radius:16px;border:1px solid rgba(232,184,74,.3);background:rgba(255,255,255,.05);padding:12px 10px 44px;text-align:center}.vcard .vf b{font-size:22px;display:block}.vcard i{font-size:13px;opacity:.75}.vcard .vb{display:none}.vcard.on .vf{display:none}.vcard.on .vb{display:block}
.vbtn{position:absolute;bottom:6px;left:6px;right:6px;display:flex;gap:6px}.vbtn button{flex:1;border:0;border-radius:10px;padding:6px;background:rgba(232,184,74,.2);color:#fff;font-size:16px}
.dd{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}.do,.dont{border-radius:12px;padding:8px;font-size:14px}.do{background:rgba(40,160,80,.2)}.dont{background:rgba(200,16,46,.2)}
.modal{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.7);display:flex;align-items:center;padding:16px}.modal .card{width:100%;max-height:85vh;overflow:auto;backdrop-filter:none;background:#13204a}
.stars{display:flex;gap:6px}.stars button{flex:1;font-size:28px;background:none;border:0;color:#fff4}.stars button.on{color:var(--gold)}
.pinbox{position:relative;z-index:6}.pinbox input{position:relative;z-index:7;font-size:20px;text-align:center;letter-spacing:4px}.pindots{text-align:center;font-size:22px;letter-spacing:6px;min-height:28px;color:var(--gold)}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px;touch-action:manipulation}.keypad button{padding:16px 0;font:600 22px Kanit;border-radius:14px;border:1px solid rgba(232,184,74,.35);background:rgba(255,255,255,.08);color:#fff}.keypad button:active{background:var(--gold);color:#2a1a00}.keypad button[data-k=OK]{background:var(--gold);color:#2a1a00}
.ck{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid #ffffff14}.ck input{width:22px;height:22px;margin:0;flex:none}
.sched{border-collapse:collapse;font-size:12px}.sched td,.sched th{padding:3px;border:1px solid #ffffff1a;text-align:center}.sched select{padding:4px;font-size:11px;margin:0;min-width:70px}.sched tr.me td{background:rgba(232,184,74,.2)}
#bg{pointer-events:none}