/* GameHub+ design system — responsive (mobile-first friendly) */
:root{
  --bg:#f6f4ef; --card:#ffffff; --ink:#1e2430; --muted:#6b7280;
  --brand:#3563e9; --brand2:#ffb020; --good:#16a34a; --bad:#ef4444;
  --violet:#7c3aed; --pink:#ec4899; --teal:#0d9488;
  --radius:16px; --shadow:0 4px 14px rgba(20,30,60,.08);
  --font:'Noto Sans Thai',system-ui,-apple-system,sans-serif;
  --tap:44px;
}
[data-theme="dark"]{
  --bg:#12151d; --card:#1c2130; --ink:#eef1f7; --muted:#9aa3b2;
  --shadow:0 4px 14px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.5;
  min-height:100vh;overflow-x:hidden;padding-bottom:env(safe-area-inset-bottom)}
button{font-family:var(--font);cursor:pointer;border:none;border-radius:12px;font-size:1rem;color:inherit}
.btn{padding:.7rem 1.3rem;font-weight:700;transition:transform .1s,box-shadow .2s;min-height:var(--tap)}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 0 #274bb8}
.btn-primary:active{box-shadow:0 1px 0 #274bb8}
.btn-ghost{background:var(--card);color:var(--ink);border:2px solid rgba(120,130,150,.25)}
.btn-warn{background:var(--brand2);color:#4a3000;box-shadow:0 4px 0 #cc8a12}
.btn:disabled{cursor:default;opacity:.7}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}
.chip{display:inline-flex;align-items:center;gap:.3rem;padding:.5rem .9rem;border-radius:999px;
  background:var(--card);border:2px solid transparent;font-weight:600;font-size:.9rem;color:var(--ink)}
.chip.active{border-color:var(--brand);color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,var(--card))}
.muted{color:var(--muted);font-weight:600}
.ok{color:var(--good)}

/* ── game header ── */
.gh-header{display:flex;align-items:center;justify-content:space-between;gap:.4rem;
  padding:.5rem clamp(.5rem,2vw,1rem);background:var(--card);box-shadow:var(--shadow);
  position:sticky;top:0;z-index:15}
.gh-title{font-size:clamp(.92rem,3vw,1.05rem);text-align:center;flex:1;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gh-hactions{display:flex;gap:.3rem;flex-shrink:0}
.gh-hbtn{padding:.4rem .6rem;min-width:var(--tap);min-height:var(--tap);
  display:flex;align-items:center;justify-content:center;font-size:.9rem}
@media(max-width:520px){ .gh-hlabel{display:none} .gh-hbtn{padding:.4rem .5rem;min-width:40px} }

/* ── HUD ── */
.hud{display:flex;gap:.4rem;justify-content:center;flex-wrap:wrap;padding:.55rem .5rem}
.hud .stat{background:var(--card);border-radius:999px;padding:.35rem .85rem;font-weight:700;
  box-shadow:var(--shadow);font-size:.9rem;display:flex;gap:.35rem;align-items:center;white-space:nowrap}
.hud .stat small{color:var(--muted);font-weight:600;font-size:.78rem}
@media(max-width:420px){ .hud{gap:.3rem;padding:.4rem .3rem} .hud .stat{padding:.3rem .6rem;font-size:.8rem} }

/* ── modal ── */
.modal-back{position:fixed;inset:0;background:rgba(10,14,25,.55);display:flex;
  align-items:center;justify-content:center;z-index:50;padding:1rem;overflow-y:auto}
.modal{background:var(--card);border-radius:20px;padding:clamp(1.1rem,4vw,1.6rem);max-width:440px;width:100%;
  text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:pop .25s cubic-bezier(.2,1.4,.4,1);
  max-height:92vh;overflow-y:auto}
@keyframes pop{from{transform:scale(.85);opacity:0}}
.modal-icon{font-size:clamp(2.2rem,8vw,3rem)}
.modal h2{margin:.4rem 0 1rem;font-size:clamp(1.1rem,4.5vw,1.5rem)}
.modal ul{text-align:left;margin:0 0 1.2rem 1.2rem;display:grid;gap:.45rem;color:var(--muted);
  font-weight:500;font-size:clamp(.84rem,2.6vw,.95rem);line-height:1.5}
.modal .row{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap}
.modal .row .btn{flex:1 1 auto;min-width:110px}
.big-score{font-size:clamp(1.9rem,7vw,2.4rem);font-weight:900;color:var(--brand);line-height:1.2}
.big-score span{font-size:.5em;color:var(--muted)}
.record{color:var(--brand2);font-weight:800}
.reward-lv{font-weight:800;color:var(--violet)}
.reward-bd{font-weight:800;color:var(--brand2)}
.misses{text-align:left;margin:.8rem 0}
.misses summary{cursor:pointer;font-weight:700}
.misses ul{margin:.5rem 0 0 1.2rem;font-size:.88rem;color:var(--ink);font-weight:500}
.stars{font-size:1.5rem;letter-spacing:.15rem}

/* ── effects ── */
.shake{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-8px)}50%{transform:translateX(8px)}75%{transform:translateX(-5px)}}
.pulse{animation:pulse .4s}
@keyframes pulse{50%{transform:scale(1.1)}}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:var(--ink);color:var(--bg);padding:.6rem 1.2rem;border-radius:999px;font-weight:700;
  z-index:99;animation:pop .25s;max-width:90vw;text-align:center;font-size:.9rem}
.combo-meter{position:absolute;top:8px;right:10px;font-weight:900;font-size:clamp(1rem,3.5vw,1.3rem);
  color:var(--brand2);text-shadow:0 2px 6px rgba(0,0,0,.25);pointer-events:none}
.fever{animation:feverGlow .5s infinite alternate}
@keyframes feverGlow{from{filter:drop-shadow(0 0 6px var(--brand2))}to{filter:drop-shadow(0 0 18px var(--pink))}}

/* ── engine layout ── */
#game{max-width:760px;margin:0 auto;padding:.3rem clamp(.6rem,3vw,.8rem) 1.2rem}
.q-prompt{text-align:center;font-size:clamp(1.05rem,4.2vw,1.7rem);font-weight:900;color:var(--brand);
  background:var(--card);border:3px solid var(--brand);border-radius:14px;
  padding:clamp(.55rem,2.5vw,.75rem);margin:.4rem 0;line-height:1.35;word-break:break-word}
.q-sub{text-align:center;color:var(--muted);font-weight:600;margin-bottom:.4rem;font-size:.9rem}
.q-choices{display:grid;grid-template-columns:1fr 1fr;gap:.55rem}
.q-choice{padding:clamp(.8rem,3vw,1rem) .6rem;font-size:clamp(.95rem,3.4vw,1.15rem);font-weight:800;
  background:var(--card);color:var(--ink);border:2px solid rgba(120,130,150,.25);box-shadow:var(--shadow);
  transition:transform .1s;min-height:56px;line-height:1.3;word-break:break-word}
.q-choice:active{transform:scale(.96)}
.q-choice.good{background:var(--good);color:#fff;border-color:var(--good)}
.q-choice.bad{background:var(--bad);color:#fff;border-color:var(--bad)}
@media(max-width:380px){ .q-choices{grid-template-columns:1fr} }

.chip-row{display:flex;gap:.4rem;justify-content:center;flex-wrap:wrap;margin-bottom:.7rem}
.m-board{display:grid;gap:clamp(.35rem,1.6vw,.55rem)}
.m-board .cardc{aspect-ratio:3/4;perspective:600px;cursor:pointer}
.m-board .inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;
  transition:transform .4s cubic-bezier(.2,1.2,.4,1)}
.m-board .cardc.open .inner,.m-board .cardc.matched .inner{transform:rotateY(180deg)}
.m-board .face{position:absolute;inset:0;backface-visibility:hidden;border-radius:12px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;font-weight:800;box-shadow:var(--shadow);
  text-align:center;padding:.2rem;font-size:clamp(.68rem,2.6vw,1.02rem);line-height:1.2;overflow:hidden}
.m-board .back{background:linear-gradient(135deg,var(--brand),#274bb8);color:#fff;font-size:1.4rem}
.m-board .front{background:var(--card);transform:rotateY(180deg);border:3px solid transparent}
.m-board .cardc.matched .front{border-color:var(--good);background:color-mix(in srgb,var(--good) 12%,var(--card))}
.m-board .emo{font-size:clamp(1.3rem,5.5vw,2.1rem);line-height:1.1}
.m-board .msub{color:var(--muted);font-size:.78em;padding:0 .1rem}

.o-slots{display:flex;gap:.45rem;flex-wrap:wrap;justify-content:center;min-height:58px;margin:.6rem 0}
.o-slot{min-width:64px;min-height:52px;padding:.45rem .6rem;border-radius:12px;display:flex;
  align-items:center;justify-content:center;background:color-mix(in srgb,var(--brand) 7%,var(--card));
  border:2px dashed rgba(120,130,150,.4);font-weight:700;cursor:pointer;text-align:center;
  font-size:clamp(.78rem,2.8vw,.95rem);line-height:1.25}
.o-slot.filled{border-style:solid;border-color:var(--brand);background:var(--card)}
.o-slot.good{border-color:var(--good);background:color-mix(in srgb,var(--good) 15%,var(--card))}
.o-slot.bad{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 15%,var(--card))}
.o-pool{display:flex;gap:.45rem;flex-wrap:wrap;justify-content:center;margin:.6rem 0}
.o-item{padding:.65rem 1rem;border-radius:12px;background:var(--violet);color:#fff;font-weight:700;
  box-shadow:var(--shadow);min-height:var(--tap);font-size:clamp(.82rem,2.9vw,1rem)}
.o-item:active{transform:scale(.95)}
.o-ctrl{display:flex;gap:.5rem;justify-content:center;margin-top:.6rem}
.o-ctrl .btn{flex:1;max-width:200px}

.sort-wrap{text-align:center}
.s-card{font-size:clamp(1.3rem,6.5vw,2.4rem);font-weight:900;background:var(--card);border-radius:18px;
  box-shadow:var(--shadow);padding:clamp(1.3rem,7vw,2rem) .8rem;margin:.6rem 0;color:var(--ink);
  min-height:96px;display:flex;align-items:center;justify-content:center;word-break:break-word}
.s-card.fly-ok{animation:flyOk .18s}
@keyframes flyOk{to{transform:scale(1.08);opacity:.4}}
.s-buckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.5rem}
.s-bucket{padding:clamp(.85rem,3.5vw,1.1rem) .5rem;font-weight:800;font-size:clamp(.85rem,3vw,1.05rem);
  color:#fff;box-shadow:var(--shadow);min-height:56px;line-height:1.25}
.s-bucket.b0{background:var(--brand)}.s-bucket.b1{background:var(--teal)}
.s-bucket.b2{background:var(--pink)}.s-bucket.b3{background:var(--brand2);color:#4a3000}
@media(max-width:420px){ .s-buckets{grid-template-columns:1fr 1fr} }

#c-cv{width:100%;display:block;border-radius:16px;touch-action:none;
  background:linear-gradient(180deg,#bfdcf7,#dcefdb)}
[data-theme="dark"] #c-cv{background:linear-gradient(180deg,#1a2438,#16241c)}