/* =========================================================================
   ELEMENTAL — Periodic Table Arcade
   style.css
   A dark "lab at night" palette with each element category carrying its
   own neon accent. Everything scales down to phone width.
   ========================================================================= */

:root{
  --bg:#0A0E1C;
  --bg2:#121A32;
  --panel:rgba(255,255,255,.05);
  --panel2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.13);
  --text:#EAF0FF;
  --dim:#8D9BBE;
  --accent:#4ECDC4;
  --gold:#FFD93D;
  --good:#6BCB77;
  --bad:#FF5E5B;
  --violet:#9B72FF;
  --pink:#FF6FB5;
  --r:16px;
  --shadow:0 12px 34px rgba(0,0,0,.45);
  --font:'Outfit',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --display:'Baloo 2','Outfit',ui-rounded,system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html,body{margin:0;padding:0}
body{
  min-height:100vh;
  background:
    radial-gradient(1200px 700px at 12% -8%, #1E2A55 0%, transparent 60%),
    radial-gradient(900px 600px at 92% 4%, #2A1B45 0%, transparent 58%),
    radial-gradient(800px 800px at 50% 110%, #123240 0%, transparent 62%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

#fx-canvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:9000}

#app{
  position:relative;z-index:1;
  max-width:1220px;margin:0 auto;
  padding:0 clamp(12px,3vw,26px) 40px;
  min-height:100vh;display:flex;flex-direction:column;
  will-change:transform;
}

/* ------------------------------------------------------------------- HUD */
#hud{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:clamp(10px,2.4vw,24px);
  padding:12px 0;margin-bottom:8px;
  background:linear-gradient(180deg,rgba(10,14,28,.94) 60%,rgba(10,14,28,0));
  backdrop-filter:blur(10px);
}
.hud-home{
  display:flex;align-items:center;gap:8px;flex-shrink:0;
  background:none;border:0;color:var(--text);cursor:pointer;
  font-family:var(--display);font-weight:800;font-size:1.05rem;letter-spacing:.06em;
  padding:6px 8px;border-radius:12px;transition:background .2s,transform .2s;
}
.hud-home:hover{background:var(--panel);transform:translateY(-1px)}
.hud-logo{font-size:1.5rem;color:var(--accent);animation:spin 14s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.hud-logo-text{background:linear-gradient(90deg,var(--accent),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent}

.hud-rank{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.hud-rank-icon{font-size:1.5rem;flex-shrink:0}
.hud-rank-block{flex:1;min-width:0}
.hud-rank-top{display:flex;justify-content:space-between;gap:10px;font-size:.8rem;font-weight:600}
.hud-rank-top>span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hud-xp-wrap{color:var(--gold);flex-shrink:0}
.hud-xp-bar{height:7px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden;margin-top:3px}
#hud-xp-fill{height:100%;width:2%;border-radius:99px;
  background:linear-gradient(90deg,var(--accent),var(--gold));
  transition:width .6s cubic-bezier(.22,1,.36,1);
  box-shadow:0 0 14px rgba(255,217,61,.5)}
.hud-xp-next{font-size:.68rem;color:var(--dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.hud-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.hud-dex-chip{font-size:.8rem;font-weight:600;background:var(--panel);border:1px solid var(--line);
  padding:6px 10px;border-radius:99px;white-space:nowrap}
.hud-btn{background:var(--panel);border:1px solid var(--line);color:var(--text);
  width:38px;height:38px;border-radius:12px;cursor:pointer;font-size:1.05rem;transition:.2s}
.hud-btn:hover{background:var(--panel2);transform:translateY(-1px)}
.hud-btn.off{opacity:.45}

#screen{flex:1;transition:opacity .14s ease,transform .14s ease}
#screen.leaving{opacity:0;transform:translateY(8px)}
#screen.entering{opacity:0;transform:translateY(-8px)}

#foot{text-align:center;color:var(--dim);font-size:.72rem;padding-top:26px;opacity:.6}

/* --------------------------------------------------------------- buttons */
.btn{
  font-family:var(--font);font-weight:600;font-size:1rem;
  padding:13px 26px;border-radius:14px;border:1px solid transparent;
  cursor:pointer;transition:transform .16s cubic-bezier(.22,1,.36,1),box-shadow .2s,background .2s;
}
.btn:active{transform:scale(.96)}
.btn-primary{background:linear-gradient(135deg,var(--accent),#2f9fd4);color:#04121a;
  box-shadow:0 8px 22px rgba(78,205,196,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(78,205,196,.45)}
.btn-ghost{background:var(--panel);border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--panel2);transform:translateY(-2px)}
.btn-danger{background:rgba(255,94,91,.14);border:1px solid rgba(255,94,91,.45);color:#ffb3b1}
.btn-danger:hover{background:rgba(255,94,91,.24)}

/* ============================================================== MENU / HERO */
.hero{text-align:center;padding:clamp(14px,4vw,40px) 0 clamp(18px,3vw,30px)}
.hero-badge{
  display:inline-block;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(78,205,196,.4);background:rgba(78,205,196,.08);
  padding:6px 16px;border-radius:99px;margin-bottom:16px;font-weight:600;
}
.hero-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(2.4rem,11vw,7rem);line-height:.92;margin:0 0 10px;letter-spacing:.02em;
  display:flex;justify-content:center;flex-wrap:nowrap;
}
.hero-title span{
  display:inline-block;animation:letterFloat 3.4s ease-in-out infinite;
  text-shadow:0 6px 28px rgba(0,0,0,.5);
}
.ht-e {color:#FF5E5B;animation-delay:0s}
.ht-l {color:#FF9F45;animation-delay:.1s}
.ht-e2{color:#FFD93D;animation-delay:.2s}
.ht-m {color:#6BCB77;animation-delay:.3s}
.ht-e3{color:#4ECDC4;animation-delay:.4s}
.ht-n {color:#4D96FF;animation-delay:.5s}
.ht-t {color:#9B72FF;animation-delay:.6s}
.ht-a {color:#FF6FB5;animation-delay:.7s}
.ht-l2{color:#FF5E5B;animation-delay:.8s}
@keyframes letterFloat{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(-2deg)}}
.hero-sub{color:var(--dim);font-size:clamp(.95rem,2.4vw,1.15rem);margin:0;font-weight:300}

.mode-grid{
  display:grid;gap:14px;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  margin-bottom:22px;
}
@media (min-width:820px){ .mode-grid{grid-template-columns:1fr 1fr} }
.mode-card{
  position:relative;text-align:left;cursor:pointer;
  background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  border:1px solid var(--line);border-radius:var(--r);
  padding:20px;color:var(--text);font-family:var(--font);
  display:flex;flex-direction:column;gap:12px;overflow:hidden;
  transition:transform .22s cubic-bezier(.22,1,.36,1),box-shadow .22s,border-color .22s;
  animation:cardIn .5s cubic-bezier(.22,1,.36,1) both;
}
@keyframes cardIn{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
.mode-card::before{
  content:'';position:absolute;inset:0;border-radius:var(--r);
  background:radial-gradient(420px 180px at 82% -20%,var(--mc),transparent 68%);
  opacity:.17;transition:opacity .25s;pointer-events:none;
}
.mode-card::after{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--mc);
  box-shadow:0 0 22px var(--mc);
}
.mode-card:hover{transform:translateY(-5px);border-color:var(--mc);
  box-shadow:0 16px 40px rgba(0,0,0,.5)}
.mode-card:hover::before{opacity:.32}
.mode-card:active{transform:translateY(-1px) scale(.99)}
.mc-icon{font-size:2.3rem;line-height:1;filter:drop-shadow(0 4px 12px rgba(0,0,0,.5))}
.mc-title{font-family:var(--display);font-weight:800;font-size:1.32rem;line-height:1.15}
.mc-tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--mc);
  font-weight:600;margin-top:2px}
.mc-desc{color:var(--dim);font-size:.9rem;font-weight:300;margin-top:8px}
.mc-foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;
  font-size:.76rem;font-weight:600}
.mc-best{color:var(--gold)}
.mc-new{color:var(--mc);border:1px solid var(--mc);border-radius:99px;padding:1px 9px;font-size:.66rem;letter-spacing:.1em}
.mc-played{color:var(--dim);font-weight:400}
.mc-play{margin-left:auto;color:var(--mc);transition:transform .2s}
.mode-card:hover .mc-play{transform:translateX(5px)}
.boss-card{grid-column:1/-1;background:linear-gradient(120deg,rgba(255,111,181,.13),rgba(155,114,255,.08))}
.boss-card .mc-icon{animation:crownBob 2.6s ease-in-out infinite}
@keyframes crownBob{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-6px) rotate(4deg)}}

.extras{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.extra-card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:16px;cursor:pointer;color:var(--text);font-family:var(--font);
  display:flex;flex-direction:column;gap:3px;text-align:left;transition:.2s;
}
.extra-card:hover{background:var(--panel2);transform:translateY(-3px);border-color:var(--accent)}
.xc-icon{font-size:1.5rem}
.xc-title{font-weight:600;font-size:1rem}
.xc-sub{font-size:.76rem;color:var(--dim)}
.xc-bar{display:block;height:5px;border-radius:99px;background:rgba(255,255,255,.1);margin-top:8px;overflow:hidden}
.xc-bar>span{display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--accent),var(--gold));transition:width .7s}

/* =============================================================== GAME BAR */
.gamebar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:12px 16px;margin-bottom:16px;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
}
.gamebar-title{font-family:var(--display);font-size:1.2rem;margin:0;font-weight:700;flex:1;min-width:120px}
.back-btn{font-size:.85rem;padding:8px 14px;border-radius:10px}
.gamebar-stats{display:flex;gap:8px}
.stat{
  background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:11px;
  padding:5px 13px;text-align:center;min-width:66px;transition:.25s;
}
.stat-label{display:block;font-size:.58rem;text-transform:uppercase;letter-spacing:.13em;color:var(--dim)}
.stat-val{display:block;font-family:var(--display);font-weight:800;font-size:1.15rem;line-height:1.1}
.stat.hot{border-color:var(--gold);background:rgba(255,217,61,.14);
  box-shadow:0 0 20px rgba(255,217,61,.3);animation:hotPulse 1s ease-in-out infinite}
.stat.hot .stat-val{color:var(--gold)}
@keyframes hotPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}

.mode-hint{color:var(--dim);font-size:.88rem;text-align:center;margin:0 0 16px;font-weight:300}
.mode-hint b{color:var(--text);font-weight:600}
.hint-dim{display:block;opacity:.7;font-size:.82rem;margin-top:3px}

/* ============================================================ SYMBOL SPRINT */
.sprint-stage{max-width:760px;margin:0 auto;position:relative}
.multiplier{
  display:block;text-align:right;height:1.9rem;line-height:1.9rem;
  font-family:var(--display);font-weight:800;
  font-size:1.6rem;color:var(--dim);transition:.25s;transform-origin:right center;
}
.multiplier.m2{color:var(--good);transform:scale(1.12)}
.multiplier.m3{color:var(--accent);transform:scale(1.3)}
.multiplier.m4{color:var(--gold);transform:scale(1.45);text-shadow:0 0 20px rgba(255,217,61,.6)}
.multiplier.m5{color:var(--pink);transform:scale(1.6);text-shadow:0 0 26px rgba(255,111,181,.8);
  animation:hotPulse .7s ease-in-out infinite}

.timebar{height:10px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden;margin-bottom:22px}
.timebar-fill{height:100%;width:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--good),var(--accent));box-shadow:0 0 16px rgba(78,205,196,.5)}
.timebar-fill.low{background:linear-gradient(90deg,var(--bad),#FF9F45);
  box-shadow:0 0 20px rgba(255,94,91,.7);animation:hotPulse .5s ease-in-out infinite}

.prompt-card{
  position:relative;text-align:center;padding:26px 22px 30px;border-radius:22px;margin-bottom:22px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:180px;
  background:linear-gradient(150deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--line);overflow:hidden;
}
.prompt-card::before{content:'';position:absolute;inset:0;
  background:radial-gradient(520px 220px at 50% -40%,var(--tc,var(--accent)),transparent 70%);opacity:.22}
.prompt-kicker{position:relative;font-size:.78rem;text-transform:uppercase;letter-spacing:.18em;
  color:var(--dim);margin-bottom:10px;font-weight:600}
.prompt-main{position:relative;font-family:var(--display);font-weight:800;
  font-size:clamp(2.4rem,8vw,4.2rem);line-height:1.05;
  text-shadow:0 6px 30px rgba(0,0,0,.5)}
.prompt-main.as-symbol{font-size:clamp(3.6rem,14vw,7rem);color:var(--tc,var(--accent))}
.prompt-main.as-number{font-size:clamp(3.4rem,13vw,6.4rem);color:var(--gold)}
.prompt-card.pop{animation:popIn .34s cubic-bezier(.34,1.56,.64,1)}
.prompt-main.pop{animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}
@keyframes popIn{0%{transform:scale(.86);opacity:0}100%{transform:scale(1);opacity:1}}

.answers{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.answer{
  font-family:var(--font);font-size:clamp(.95rem,2.6vw,1.2rem);font-weight:600;
  padding:20px 16px;border-radius:16px;cursor:pointer;color:var(--text);
  background:linear-gradient(150deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
  border:1.5px solid var(--line);
  transition:transform .16s cubic-bezier(.22,1,.36,1),background .2s,border-color .2s;
}
.answer:hover:not(:disabled){background:rgba(78,205,196,.16);border-color:var(--accent);transform:translateY(-3px)}
.answer:active:not(:disabled){transform:scale(.97)}
.answer:disabled{cursor:default;opacity:.55}
.answer.is-correct{background:rgba(107,203,119,.28)!important;border-color:var(--good)!important;
  color:#d8ffdf!important;opacity:1!important;box-shadow:0 0 28px rgba(107,203,119,.4)}
.answer.is-wrong{background:rgba(255,94,91,.28)!important;border-color:var(--bad)!important;
  color:#ffd6d5!important;opacity:1!important}
.answer.pulse{animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}
.countdown-hint{grid-column:1/-1;text-align:center;color:var(--dim);font-size:.9rem;padding:22px}

.feedback-slot{min-height:56px;margin-top:16px}
.teach{
  display:flex;gap:11px;align-items:flex-start;
  background:rgba(78,205,196,.1);border:1px solid rgba(78,205,196,.34);
  border-radius:13px;padding:13px 16px;font-size:.9rem;line-height:1.45;
  opacity:0;transform:translateY(8px);transition:.3s cubic-bezier(.22,1,.36,1);
}
.teach.in{opacity:1;transform:none}
.teach-icon{font-size:1.1rem;flex-shrink:0}
.teach-dim{color:var(--dim);font-size:.84rem}

/* ================================================================ E-TILES */
.etile{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
  border:1.5px solid var(--tc);border-radius:12px;padding:8px 6px;
  box-shadow:inset 0 0 22px rgba(0,0,0,.28);transition:.2s;
}
.etile::before{content:'';position:absolute;inset:0;border-radius:11px;
  background:var(--tc);opacity:.13;pointer-events:none}
.etile-z{position:absolute;top:3px;left:6px;font-size:.58rem;color:var(--dim);font-weight:600}
.etile-mass{position:absolute;bottom:3px;right:6px;font-size:.55rem;color:var(--dim)}
.etile-sym{font-family:var(--display);font-weight:800;color:var(--tc);line-height:1}
.etile-name{font-size:.6rem;color:var(--text);opacity:.85;text-align:center;line-height:1.1;margin-top:2px}
.size-sm{width:72px;height:72px}    .size-sm .etile-sym{font-size:1.4rem}
.size-md{width:92px;height:92px}    .size-md .etile-sym{font-size:1.85rem}
.size-lg{width:124px;height:124px}  .size-lg .etile-sym{font-size:2.6rem}
.etile.faded{opacity:.4}

/* ============================================================ GRID DROP */
.grid-stage{max-width:1100px;margin:0 auto}
.ptable-wrap{overflow-x:auto;padding:4px 2px 12px;-webkit-overflow-scrolling:touch}
.ptable{
  display:grid;
  grid-template-columns:22px repeat(18,minmax(42px,1fr));
  /* row 1 headers · rows 2-8 periods · row 9 spacer · rows 10-11 f-block */
  grid-template-rows:18px repeat(7,minmax(42px,auto)) 14px repeat(2,minmax(42px,auto));
  gap:3px;min-width:880px;
}
.pt-head{display:flex;align-items:center;justify-content:center;
  font-size:.6rem;color:var(--dim);font-weight:600}
.pt-cell{
  position:relative;border-radius:7px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;min-height:42px;overflow:hidden;
  transition:transform .18s cubic-bezier(.22,1,.36,1),box-shadow .18s;
}
.pt-ghost{background:rgba(255,255,255,.028);border:1px dashed rgba(255,255,255,.07)}
.pt-cell.has-el{background:color-mix(in srgb,var(--tc) 17%,transparent);
  border:1px solid color-mix(in srgb,var(--tc) 55%,transparent)}
.pt-z{position:absolute;top:2px;left:4px;font-size:.5rem;color:rgba(255,255,255,.5)}
.pt-sym{font-family:var(--display);font-weight:800;font-size:1rem;color:var(--tc);line-height:1}
.pt-name{font-size:.44rem;color:rgba(255,255,255,.65);text-align:center;line-height:1;
  padding:0 2px;margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.pt-cell.clickable{cursor:pointer}
.pt-cell.clickable:hover{transform:scale(1.14);z-index:5;
  box-shadow:0 8px 24px rgba(0,0,0,.6),0 0 0 2px var(--tc)}
.pt-cell.undiscovered{opacity:.45}
.pt-cell.undiscovered::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,.35)}

.pt-slot{background:rgba(255,255,255,.05)!important;
  border:2px dashed rgba(255,255,255,.3)!important;cursor:pointer}
.pt-slot-mark{font-family:var(--display);font-weight:800;font-size:1.2rem;color:rgba(255,255,255,.35)}
.pt-slot.live{border-color:var(--gold)!important;background:rgba(255,217,61,.13)!important;
  animation:slotPulse 1.1s ease-in-out infinite}
.pt-slot.live .pt-slot-mark{color:var(--gold)}
@keyframes slotPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,217,61,.45)}50%{box-shadow:0 0 0 7px rgba(255,217,61,0)}}
.pt-cell.just-placed{animation:placePop .5s cubic-bezier(.34,1.56,.64,1)}
@keyframes placePop{0%{transform:scale(0) rotate(-20deg)}70%{transform:scale(1.25) rotate(4deg)}100%{transform:scale(1)}}
/* the two asterisk markers standing in for the f-block */
.pt-marker{background:rgba(255,255,255,.04);border:1px dashed rgba(255,255,255,.22);
  gap:1px;cursor:help}
.pt-marker-star{font-size:.85rem;color:var(--dim);line-height:1}
.pt-marker-range{font-size:.44rem;color:var(--dim);opacity:.8}
.pt-frow-tag{display:flex;align-items:center;justify-content:center;
  font-size:.8rem;color:var(--dim)}
.pt-fcell{opacity:.9}

/* Reference tier reads as DASHED, so it never gets mistaken for
   "a game element I haven't discovered yet" (which stays solid but dark). */
.pt-cell.reference{opacity:.62;border-style:dashed!important;
  background:color-mix(in srgb,var(--tc) 8%,transparent)!important}
.pt-cell.reference:hover{opacity:1;border-style:solid!important}
.pt-cell.reference .pt-name{opacity:.8}
.pt-cell.reference::after{content:none}

.tier-key{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:16px;
  font-size:.74rem;color:var(--dim)}
.tk-item{display:flex;align-items:center;gap:7px}
.tk-swatch{width:20px;height:15px;border-radius:4px;display:inline-block}
.tk-found{background:rgba(78,205,196,.3);border:1px solid var(--accent)}
.tk-unfound{background:rgba(0,0,0,.45);border:1px solid rgba(78,205,196,.5);opacity:.5}
.tk-ref{background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.45)}
.mi-ref{display:inline-block;margin-left:8px;padding:1px 8px;border-radius:99px;
  background:rgba(255,255,255,.1);border:1px solid var(--line);
  color:var(--dim);font-size:.58rem;letter-spacing:.1em;vertical-align:middle}

.tray{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:14px;margin-top:14px}
.tray-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--dim);
  margin-bottom:10px;font-weight:600;text-align:center;text-transform:none;letter-spacing:.02em;font-size:.88rem}
.tray-tiles{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.tray-tile{cursor:pointer}
.tray-tile:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 10px 26px rgba(0,0,0,.5)}
.tray-tile.held{transform:translateY(-8px) scale(1.12);
  box-shadow:0 0 0 3px var(--gold),0 14px 32px rgba(0,0,0,.6);animation:hotPulse .9s ease-in-out infinite}
.tray-tile.done{transform:scale(0) rotate(180deg);opacity:0;transition:.26s}
.carrying .pt-ghost{opacity:.3}

.legend{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-top:16px}
.legend-item{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--dim);
  background:var(--panel);border:1px solid var(--line);padding:4px 11px;border-radius:99px}
.legend-dot{width:10px;height:10px;border-radius:3px;display:inline-block}

/* =========================================================== REACTION RUSH */
.react-stage{max-width:820px;margin:0 auto;text-align:center}
.round-pips{display:flex;gap:5px;justify-content:center;margin-bottom:16px}
.pip{width:26px;height:5px;border-radius:99px;background:rgba(255,255,255,.14)}
.pip.current{background:var(--gold);box-shadow:0 0 12px rgba(255,217,61,.6)}
.react-question{font-family:var(--display);font-weight:700;
  font-size:clamp(1.15rem,3.6vw,1.75rem);margin-bottom:20px;min-height:2.2em}
.react-question.pop{animation:popIn .34s cubic-bezier(.34,1.56,.64,1)}

.react-arena{display:flex;align-items:center;justify-content:center;gap:clamp(8px,3vw,22px);margin-bottom:18px}
.react-card{
  position:relative;flex:1;max-width:260px;cursor:pointer;
  background:linear-gradient(150deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:2px solid var(--tc);border-radius:20px;padding:14px 10px;overflow:hidden;
  transition:transform .2s cubic-bezier(.22,1,.36,1),box-shadow .2s;
}
.react-card::before{content:'';position:absolute;inset:0;
  background:radial-gradient(240px 160px at 50% 0%,var(--tc),transparent 70%);opacity:.2}
.react-card:hover{transform:translateY(-6px) scale(1.03);box-shadow:0 16px 38px rgba(0,0,0,.55)}
.rc-atom{display:flex;justify-content:center;margin-bottom:2px}
.rc-sym{position:relative;font-family:var(--display);font-weight:800;font-size:2.1rem;
  color:var(--tc);line-height:1}
.rc-name{position:relative;font-weight:600;font-size:1rem}
.rc-meta{position:relative;font-size:.72rem;color:var(--dim);margin-top:2px}
.react-vs{font-family:var(--display);font-weight:800;font-size:1.5rem;color:var(--dim);flex-shrink:0}
.react-card.picked-right{border-color:var(--good);box-shadow:0 0 40px rgba(107,203,119,.5);transform:scale(1.05)}
.react-card.picked-wrong{border-color:var(--bad);opacity:.6;animation:shakeX .45s}
.react-card.dimmed{opacity:.35;transform:scale(.94)}

.beaker-wrap{position:relative;height:0;overflow:visible;opacity:0;transition:.35s;
  display:flex;justify-content:center;pointer-events:none}
.beaker-wrap.show{height:180px;opacity:1;margin-top:8px}
.beaker{width:180px;height:170px}
.beaker-label{position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);
  font-size:.7rem;color:var(--dim)}
.beaker-wrap.reacting .beaker-water{animation:boil .35s ease-in-out infinite}
.beaker-wrap.reacting .beaker-surface{animation:surfaceWobble .3s ease-in-out infinite}
@keyframes boil{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px) scaleY(1.02)}}
@keyframes surfaceWobble{0%,100%{transform:scaleX(1)}50%{transform:scaleX(1.06) translateY(-2px)}}
.drop-el{position:absolute;top:-30px;left:50%;transform:translateX(-50%);
  font-family:var(--display);font-weight:800;font-size:1.7rem;opacity:0}
.drop-el.dropping{animation:dropIn .55s cubic-bezier(.5,0,.75,0) forwards}
@keyframes dropIn{0%{opacity:1;top:-40px}100%{opacity:0;top:105px}}

/* ============================================================== DETECTIVE */
.det-stage{max-width:1000px;margin:0 auto}
.det-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;
  font-size:.85rem;font-weight:600}
.det-case{color:var(--violet)}
.det-value{color:var(--gold)}
.det-board{display:grid;gap:18px;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:start}
.det-mystery{display:flex;align-items:center;gap:13px;margin-bottom:14px;
  padding-bottom:14px;border-bottom:1px dashed rgba(155,114,255,.3)}
.dm-tile{width:62px;height:62px;flex-shrink:0;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(155,114,255,.13);border:2px dashed rgba(155,114,255,.55)}
.dm-tile span{font-family:var(--display);font-weight:800;font-size:2rem;color:var(--violet);
  animation:hotPulse 1.8s ease-in-out infinite}
.dm-cap{font-size:.8rem;color:var(--dim);letter-spacing:.04em}
.det-file{
  position:relative;background:linear-gradient(160deg,rgba(155,114,255,.13),rgba(255,255,255,.035));
  border:1px solid rgba(155,114,255,.34);border-radius:16px;padding:20px 18px 18px;
}
.det-file-tab{position:absolute;top:-1px;left:18px;transform:translateY(-55%);
  background:var(--violet);color:#150a2e;font-size:.6rem;font-weight:800;letter-spacing:.16em;
  padding:3px 12px;border-radius:99px}
.det-clues{list-style:none;margin:6px 0 14px;padding:0;display:flex;flex-direction:column;gap:9px}
.det-clue{
  background:rgba(0,0,0,.26);border-left:3px solid var(--violet);border-radius:0 9px 9px 0;
  padding:10px 13px;font-size:.9rem;line-height:1.45;
  opacity:0;transform:translateX(-10px);transition:.35s cubic-bezier(.22,1,.36,1);
}
.det-clue.in{opacity:1;transform:none}
.btn-clue{width:100%;font-size:.88rem;padding:11px}
.btn-clue:disabled{opacity:.4;cursor:default}
.clue-cost{color:var(--bad);font-size:.76rem;margin-left:6px}
.det-sub{font-size:.85rem;color:var(--dim);margin-bottom:11px;text-align:center}
.suspect-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));justify-items:center}
.suspect{width:100%;max-width:100px;height:86px}
.suspect .etile-sym{font-size:1.55rem}
.suspect{cursor:pointer}
.suspect:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 10px 24px rgba(0,0,0,.5)}
.suspect.eliminated{opacity:.22;filter:grayscale(1);transform:scale(.9)}
.suspect.correct-suspect{box-shadow:0 0 0 3px var(--good),0 0 40px rgba(107,203,119,.55);
  animation:popIn .4s cubic-bezier(.34,1.56,.64,1)}

/* =================================================================== BOSS */
.boss-stage{max-width:820px;margin:0 auto}
.boss-top{display:flex;gap:18px;align-items:center;margin-bottom:16px;
  background:linear-gradient(120deg,rgba(255,111,181,.11),rgba(155,114,255,.07));
  border:1px solid rgba(255,111,181,.3);border-radius:18px;padding:16px}
.boss-portrait{text-align:center;flex-shrink:0}
.boss-face{width:96px;height:96px;filter:drop-shadow(0 6px 18px rgba(0,0,0,.6))}
.bf-ring{fill:#241C3B;stroke:var(--pink);stroke-width:3}
.bf-skin{fill:#E8C4A8}
.bf-hair,.bf-beard{fill:#E4E8F2}
.bf-tash{fill:#D2D7E4}
.bf-eye{fill:#241C3B}
.bf-glint{fill:#fff;opacity:.9}
.bf-brow{stroke:#C9CEDC;stroke-width:4;fill:none;stroke-linecap:round}
.boss-name{font-size:.68rem;color:var(--pink);font-weight:700;margin-top:4px;letter-spacing:.04em}
.boss-portrait.hurt{animation:bossHurt .42s}
@keyframes bossHurt{
  0%{transform:translateX(0) scale(1);filter:none}
  20%{transform:translateX(-9px) scale(1.06);filter:brightness(2.4) saturate(0)}
  45%{transform:translateX(8px) scale(.96);filter:brightness(1.7)}
  70%{transform:translateX(-4px)}
  100%{transform:none;filter:none}
}
.boss-bars{flex:1;min-width:0}
.hpbar{position:relative;height:26px;border-radius:99px;background:rgba(0,0,0,.42);
  border:1px solid var(--line);overflow:hidden;margin-bottom:9px}
.hpbar-fill{height:100%;width:100%;border-radius:99px;
  background:linear-gradient(90deg,#FF6FB5,#9B72FF);
  transition:width .5s cubic-bezier(.22,1,.36,1);box-shadow:0 0 18px rgba(255,111,181,.5)}
.hpbar-fill.low{background:linear-gradient(90deg,var(--bad),#FF9F45);animation:hotPulse .7s ease-in-out infinite}
.hpbar-label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:700;letter-spacing:.1em;text-shadow:0 1px 4px rgba(0,0,0,.8)}
.lives{display:flex;gap:5px;margin-bottom:7px}
.life{font-size:1.25rem;transition:.3s}
.life.lost{opacity:.2;filter:grayscale(1);transform:rotate(38deg) scale(.85)}
.boss-speech{font-size:.86rem;color:var(--pink);font-style:italic;min-height:1.4em}

.qtimer{height:6px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden;margin-bottom:18px}
.qtimer-fill{height:100%;width:100%;border-radius:99px;background:linear-gradient(90deg,var(--violet),var(--pink))}
.qtimer-fill.low{background:var(--bad);animation:hotPulse .4s ease-in-out infinite}
.boss-q{font-family:var(--display);font-weight:700;text-align:center;
  font-size:clamp(1.1rem,3.4vw,1.6rem);margin:0 auto 20px;max-width:640px;
  min-height:2.6em;line-height:1.3;display:block}
.boss-q.pop{animation:popIn .32s cubic-bezier(.34,1.56,.64,1)}
.q-sym{color:var(--gold)}
.boss-answers .answer{padding:16px 14px}

/* ================================================================ RESULTS */
.results{display:flex;justify-content:center;padding:14px 0 30px}
.results-card{
  text-align:center;max-width:460px;width:100%;padding:34px 28px;border-radius:24px;
  background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
  border:1px solid var(--line);box-shadow:var(--shadow);
  animation:resultIn .5s cubic-bezier(.22,1,.36,1);
}
@keyframes resultIn{from{opacity:0;transform:translateY(26px) scale(.94)}to{opacity:1;transform:none}}
.results-card.win{border-color:rgba(107,203,119,.5)}
.results-card.lose{border-color:rgba(255,159,69,.45)}
.results-emoji{font-size:3.2rem;animation:crownBob 2s ease-in-out infinite}
.results-card h2{font-family:var(--display);font-size:1.7rem;margin:6px 0 10px}
.newbest{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.14em;
  color:#04121a;background:var(--gold);padding:3px 13px;border-radius:99px;margin-bottom:12px;
  animation:hotPulse 1s ease-in-out infinite}
.results-score{font-family:var(--display);font-weight:800;font-size:2.7rem;
  background:linear-gradient(90deg,var(--accent),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.results-xp{color:var(--gold);font-weight:700;margin-bottom:16px}
.results-lines{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:7px;
  font-size:.88rem;color:var(--dim)}
.results-lines b{color:var(--text)}
.results-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ==================================================================== DEX */
.page-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.page-head h2{font-family:var(--display);font-size:1.5rem;margin:0;flex:1;min-width:150px}
.page-note{font-size:.82rem;color:var(--dim)}
.dex-grid{display:grid;gap:9px;grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}
.dex-card{
  position:relative;aspect-ratio:1;border-radius:13px;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
  border:1.5px solid var(--tc);color:var(--text);font-family:var(--font);
  transition:transform .2s cubic-bezier(.22,1,.36,1),box-shadow .2s;
  animation:cardIn .45s cubic-bezier(.22,1,.36,1) both;overflow:hidden;
}
.dex-card::before{content:'';position:absolute;inset:0;background:var(--tc);opacity:.13}
.dex-card:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 12px 28px rgba(0,0,0,.55)}
.dex-card.locked{border-color:rgba(255,255,255,.12);filter:grayscale(1);opacity:.35}
.dex-card.locked::before{opacity:0}
.dx-z{position:absolute;top:5px;left:8px;font-size:.6rem;color:var(--dim)}
.dx-sym{position:relative;font-family:var(--display);font-weight:800;font-size:1.7rem;color:var(--tc);line-height:1}
.dex-card.locked .dx-sym{color:var(--dim)}
.dx-name{position:relative;font-size:.62rem;opacity:.8;margin-top:2px;text-align:center;padding:0 3px}

/* ================================================================= TROPHY */
.rank-panel{display:flex;align-items:center;gap:18px;padding:20px;border-radius:18px;
  background:linear-gradient(120deg,rgba(255,217,61,.12),rgba(255,255,255,.04));
  border:1px solid rgba(255,217,61,.32);margin-bottom:18px}
.rank-icon{font-size:3rem}
.rank-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.16em;color:var(--dim)}
.rank-name{font-family:var(--display);font-weight:800;font-size:1.6rem;color:var(--gold)}
.rank-xp{font-size:.82rem;color:var(--dim)}
.rank-ladder{display:flex;gap:7px;overflow-x:auto;padding-bottom:10px;margin-bottom:20px}
.ladder-step{flex-shrink:0;min-width:104px;text-align:center;padding:11px 9px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);opacity:.45}
.ladder-step.got{opacity:1;border-color:rgba(255,217,61,.4)}
.ladder-step.current{background:rgba(255,217,61,.16);border-color:var(--gold);
  box-shadow:0 0 22px rgba(255,217,61,.3)}
.ls-icon{display:block;font-size:1.4rem}
.ls-name{display:block;font-size:.72rem;font-weight:600;margin-top:3px}
.ls-xp{display:block;font-size:.62rem;color:var(--dim)}
.section-h{font-family:var(--display);font-size:1.15rem;margin:22px 0 12px}
.badge-grid{display:grid;gap:11px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.badge{padding:15px;border-radius:14px;background:var(--panel);border:1px solid var(--line);
  text-align:center;opacity:.42;transition:.25s}
.badge.got{opacity:1;border-color:rgba(255,217,61,.42);background:rgba(255,217,61,.09)}
.b-icon{display:block;font-size:1.8rem}
.b-name{display:block;font-weight:700;font-size:.88rem;margin-top:5px}
.b-desc{display:block;font-size:.7rem;color:var(--dim);margin-top:3px;line-height:1.35}
.best-grid{display:grid;gap:9px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
.best-item{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line)}
.bi-icon{font-size:1.2rem}
.bi-name{flex:1;font-size:.82rem;color:var(--dim)}
.bi-score{font-family:var(--display);font-weight:800;color:var(--gold)}
.danger-zone{margin-top:28px;text-align:center}

/* =================================================================== HELP */
.help-body{max-width:740px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.help-body section{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.help-body h3{font-family:var(--display);font-size:1.08rem;margin:0 0 8px;color:var(--accent)}
.help-body p{margin:0;font-size:.92rem;color:var(--dim);line-height:1.6}
.help-body b{color:var(--text)}
.help-list{margin:0;padding-left:20px;font-size:.9rem;color:var(--dim);line-height:1.8}
.help-teacher{border-color:rgba(255,217,61,.3)!important;background:rgba(255,217,61,.07)!important}
.help-teacher h3{color:var(--gold)}

/* ================================================================== MODAL */
.modal-back{
  position:fixed;inset:0;z-index:9500;display:flex;align-items:center;justify-content:center;
  padding:18px;background:rgba(5,8,18,.8);backdrop-filter:blur(7px);
  opacity:0;transition:opacity .24s;overflow-y:auto;
}
.modal-back.in{opacity:1}
.modal{
  position:relative;max-width:560px;width:100%;padding:26px;border-radius:22px;
  background:linear-gradient(160deg,#1A2340,#111830);
  border:1.5px solid var(--tc);box-shadow:0 30px 80px rgba(0,0,0,.7);
  transform:scale(.9) translateY(16px);transition:.3s cubic-bezier(.34,1.56,.64,1);
  max-height:92vh;overflow-y:auto;
}
.modal-back.in .modal{transform:none}
.modal-close{position:absolute;top:12px;right:14px;width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.09);border:1px solid var(--line);color:var(--text);
  font-size:1.3rem;line-height:1;cursor:pointer;transition:.2s;z-index:2}
.modal-close:hover{background:var(--bad);transform:rotate(90deg)}
.modal-grid{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.modal-atom{flex-shrink:0;margin:0 auto}
.modal-info{flex:1;min-width:190px}
.mi-cat{font-size:.66rem;text-transform:uppercase;letter-spacing:.16em;color:var(--tc);font-weight:700}
.mi-sym{font-family:var(--display);font-weight:800;font-size:3.2rem;color:var(--tc);line-height:1}
.mi-name{font-family:var(--display);font-size:1.5rem;margin:0 0 12px}
.mi-stats{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-size:.78rem}
.mi-stats>div{display:flex;justify-content:space-between;gap:8px;
  border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:3px}
.mi-stats span{color:var(--dim)}
.mi-stats b{text-transform:capitalize}
.mi-shells{display:flex;justify-content:space-between;gap:10px;margin-top:9px;
  padding-top:7px;border-top:1px solid rgba(255,255,255,.08);font-size:.78rem}
.mi-shells span{color:var(--dim)}
.mi-shells b{color:var(--tc);letter-spacing:.04em}
.mi-fact,.mi-use{display:flex;gap:11px;align-items:flex-start;margin-top:16px;
  background:rgba(255,255,255,.05);border-radius:12px;padding:13px 15px;font-size:.88rem;line-height:1.5}
.mi-fact{border-left:3px solid var(--gold)}
.mi-use{border-left:3px solid var(--accent)}
.mi-fact p,.mi-use p{margin:0}
.mi-fact-icon{font-size:1.05rem;flex-shrink:0}
.mi-group{margin-top:14px;text-align:center;font-size:.8rem;color:var(--tc);font-weight:600;
  border:1px dashed var(--tc);border-radius:10px;padding:8px}

/* ------------------------------------------------------------------ ATOM */
.atom{display:block;overflow:visible}
.atom-shell{fill:none;stroke-opacity:.28;stroke-width:1}
.atom-orbit{animation:orbit var(--dur,8s) linear infinite}
@keyframes orbit{to{transform:rotate(360deg)}}
.atom-e{filter:drop-shadow(0 0 5px currentColor)}
.atom-glow{animation:coreGlow 2.6s ease-in-out infinite}
@keyframes coreGlow{0%,100%{opacity:.85}50%{opacity:1;transform-origin:center}}
.atom-core-label{fill:#0A0E1C;font-family:var(--display);font-weight:800}
.atom-shell-count{fill:rgba(255,255,255,.4);font-family:var(--font)}

/* ================================================================= TOASTS */
#toast-host{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);
  z-index:9600;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  background:rgba(18,26,50,.96);border:1px solid var(--line);border-radius:12px;
  padding:11px 20px;font-size:.88rem;font-weight:600;box-shadow:var(--shadow);
  opacity:0;transform:translateY(18px) scale(.94);transition:.34s cubic-bezier(.34,1.56,.64,1);
  white-space:nowrap;
}
.toast.in{opacity:1;transform:none}
.toast.badge{border-color:var(--gold);background:rgba(60,48,12,.96);color:var(--gold)}
.toast.rank{border-color:var(--accent);background:rgba(12,52,52,.96);color:var(--accent)}
.toast.good{border-color:var(--good);color:var(--good)}

/* ------------------------------------------------------------ animations */
.shake{animation:shakeX .42s cubic-bezier(.36,.07,.19,.97)}
@keyframes shakeX{
  10%,90%{transform:translateX(-2px)} 20%,80%{transform:translateX(4px)}
  30%,50%,70%{transform:translateX(-7px)} 40%,60%{transform:translateX(7px)}
}

/* ------------------------------------------------------------ responsive */
@media (max-width:860px){
  .det-board{grid-template-columns:1fr}
  .boss-top{flex-direction:column;text-align:center}
  .modal-grid{flex-direction:column;text-align:center}
  .mi-stats{text-align:left}
}
@media (max-width:640px){
  .hud-rank-block{display:none}
  .hud-rank{flex:0}
  .hud-logo-text{display:none}
  .answers{grid-template-columns:1fr}
  .react-arena{gap:6px}
  .react-card{padding:10px 6px}
  .rc-atom svg{width:84px;height:84px}
  .gamebar{padding:10px 12px;gap:8px}
  .gamebar-title{font-size:1rem;width:100%;order:3}
  .stat{min-width:56px;padding:4px 9px}
  .stat-val{font-size:1rem}
  .hero-title{font-size:clamp(2.1rem,10.5vw,4rem)}
  .dex-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr))}
  .size-md{width:78px;height:78px}
  .size-md .etile-sym{font-size:1.5rem}
  .ptable{min-width:800px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important;
  }
}

/* focus visibility for keyboard users */
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:8px}