/*==================================================
  RESET
==================================================*/
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}

:root{
  --bg:          #07090f;
  --bg-card:     rgba(12,16,30,0.92);
  --glass:       rgba(255,255,255,0.035);
  --border:      rgba(255,255,255,0.08);
  --border-hi:   rgba(255,255,255,0.18);
  --txt:         #e8eeff;
  --txt2:        #7b8bb8;
  --txt3:        #3d4d72;
  --blue:        #4f8ef7;
  --blue-glow:   rgba(79,142,247,0.45);
  --purple:      #9b6cf9;
  --purple-glow: rgba(155,108,249,0.4);
  --pink:        #f472b6;
  --pink-glow:   rgba(244,114,182,0.4);
  --cyan:        #22d3ee;
  --cyan-glow:   rgba(34,211,238,0.35);
  --green:       #4ade80;
  --green-glow:  rgba(74,222,128,0.35);
  --orange:      #fb923c;
  --orange-glow: rgba(251,146,60,0.35);
  --yellow:      #fbbf24;
  --r-xl:  24px;
  --r-lg:  16px;
  --r-md:  12px;
  --r-sm:  8px;
  --font-display: 'Nunito',sans-serif;
  --font-hud:     'Orbitron',sans-serif;
}

html,body{
  height:100%;
  background:var(--bg);
  font-family:var(--font-display);
  color:var(--txt);
  touch-action:none;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
}

/*==================================================
  AMBIENT
==================================================*/
#ambient{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:0;}
.orb-1{width:600px;height:600px;background:radial-gradient(circle,rgba(79,142,247,.16) 0%,transparent 70%);top:-150px;left:-150px;}
.orb-2{width:500px;height:500px;background:radial-gradient(circle,rgba(244,114,182,.13) 0%,transparent 70%);bottom:-100px;right:-100px;}
.orb-3{width:350px;height:350px;background:radial-gradient(circle,rgba(34,211,238,.10) 0%,transparent 70%);top:35%;left:55%;}
.orb-4{width:300px;height:300px;background:radial-gradient(circle,rgba(155,108,249,.12) 0%,transparent 70%);top:10%;right:20%;}

/*==================================================
  SCANLINES (gamer vibe)
==================================================*/
#scanlines{
  /* position:fixed;inset:0;z-index:1;pointer-events:none; */
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.06) 2px,rgba(0,0,0,.06) 4px);
  opacity:.4;
}

/*==================================================
  SCREENS
  Two isolated flavors so tweaking one never touches
  the other:
   - .screen-ui     -> start screen + game-over screen
                       (card-centered, exactly like before)
   - .screen-canvas -> the live game screen only
                       (full-bleed, no padding/centering,
                        so the canvas can never be squeezed
                        by flex/padding rules)
==================================================*/
.screen-ui{
  position:fixed;inset:0;
  z-index:10;
  display:flex;flex-direction:column;
  align-items:center;
  padding:20px;
  pointer-events:none;
  opacity:0;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
}
.screen-ui.active{pointer-events:all;}
/* margin:auto (not justify-content:center) keeps the card
   centered when it fits, but reachable/scrollable to the
   very top when it's taller than the viewport */
.screen-ui > .card{margin:auto;}

.screen-canvas{
  position:fixed;inset:0;
  z-index:10;
  padding:0;
  margin:0;
  overflow:hidden;
  pointer-events:none;
  opacity:0;
}
.screen-canvas.active{pointer-events:all;}

/*==================================================
  CARDS
==================================================*/
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  backdrop-filter:blur(28px);
  -webkit-backdrop-filter:blur(28px);
  padding:36px 40px;
  max-width:460px;width:100%;
  text-align:center;
  position:relative;
}
/* neon corner accents */
.card::before,.card::after{
  content:'';position:absolute;
  width:60px;height:60px;
  border-color:var(--blue);border-style:solid;
  opacity:.5;
}
.card::before{top:0;left:0;border-width:2px 0 0 2px;border-radius:var(--r-xl) 0 0 0;}
.card::after{bottom:0;right:0;border-width:0 2px 2px 0;border-radius:0 0 var(--r-xl) 0;}

.card-glow{
  position:absolute;inset:-1px;border-radius:var(--r-xl);
  background:linear-gradient(135deg,rgba(79,142,247,.08),rgba(155,108,249,.08),rgba(244,114,182,.06));
  pointer-events:none;
}

/*==================================================
  TYPOGRAPHY
==================================================*/
.title-xl{
  font-family:var(--font-hud);
  font-size:clamp(1.7rem,5vw,2.6rem);
  font-weight:900;letter-spacing:2px;line-height:1.1;
  background:linear-gradient(135deg,var(--blue),var(--purple),var(--pink));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.title-lg{
  font-family:var(--font-hud);
  font-size:clamp(1.4rem,4vw,1.9rem);
  font-weight:700;letter-spacing:1.5px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.tagline{font-size:.85rem;color:var(--txt2);letter-spacing:.8px;margin-top:6px;}
.lbl{font-size:.6rem;text-transform:uppercase;letter-spacing:2px;color:var(--txt3);font-weight:700;margin-bottom:3px;font-family:var(--font-hud);}
.val{font-family:var(--font-hud);font-size:2rem;font-weight:900;color:var(--txt);line-height:1;}

/*==================================================
  DIVIDER
==================================================*/
.divider{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(79,142,247,.3),rgba(155,108,249,.3),transparent);
  margin:24px 0;
}

/*==================================================
  GAMER BUTTONS
==================================================*/
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-hud);font-weight:700;font-size:.8rem;
  letter-spacing:1.5px;text-transform:uppercase;
  padding:13px 28px;
  border-radius:var(--r-sm);
  border:none;cursor:pointer;
  position:relative;overflow:hidden;
  transition:transform .15s ease,box-shadow .2s ease;
  outline:none;
  -webkit-tap-highlight-color:transparent;
  clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
}
/* shimmer sweep */
.btn::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.15) 50%,transparent 65%);
  transform:translateX(-100%);
  transition:transform .4s ease;
}
.btn:hover::before{transform:translateX(100%);}
.btn:active{transform:scale(.94)!important;}

/* stroke border glow */
.btn-primary{
  background:linear-gradient(135deg,var(--blue) 0%,var(--purple) 100%);
  color:#fff;
  box-shadow:0 0 0 1px var(--blue),0 0 20px var(--blue-glow),0 4px 16px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-primary:hover{
  box-shadow:0 0 0 1px var(--purple),0 0 32px var(--purple-glow),0 8px 24px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.2);
  transform:translateY(-2px);
}

.btn-cyan{
  background:linear-gradient(135deg,var(--cyan) 0%,var(--blue) 100%);
  color:#07090f;
  box-shadow:0 0 0 1px var(--cyan),0 0 20px var(--cyan-glow),0 4px 16px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-cyan:hover{
  box-shadow:0 0 0 1px var(--cyan),0 0 36px var(--cyan-glow),0 8px 24px rgba(0,0,0,.4);
  transform:translateY(-2px);
}

.btn-green{
  background:linear-gradient(135deg,var(--green) 0%,var(--cyan) 100%);
  color:#07090f;
  box-shadow:0 0 0 1px var(--green),0 0 20px var(--green-glow),0 4px 16px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-green:hover{
  box-shadow:0 0 0 1px var(--green),0 0 36px var(--green-glow),0 8px 24px rgba(0,0,0,.4);
  transform:translateY(-2px);
}

.btn-ghost{
  background:var(--glass);
  border:1px solid var(--border);
  color:var(--txt2);font-size:.75rem;
  padding:10px 22px;
  box-shadow:0 0 0 1px transparent,inset 0 1px 0 rgba(255,255,255,.04);
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}
.btn-ghost:hover{
  border-color:var(--border-hi);color:var(--txt);
  box-shadow:0 0 12px rgba(255,255,255,.05);
}

/* floating icon btn */
.btn-fab{
  width:52px;height:52px;padding:0;
  border-radius:50%;
  background:linear-gradient(135deg,var(--orange),var(--pink));
  color:#fff;font-size:1.1rem;
  box-shadow:0 0 0 2px rgba(251,146,60,.5),0 0 24px var(--orange-glow),0 4px 16px rgba(0,0,0,.5);
  clip-path:none;
  border:none;cursor:pointer;
  position:fixed;bottom:24px;right:24px;z-index:50;
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease;
  outline:none;
}
.btn-fab:hover{
  transform:scale(1.1) rotate(15deg);
  box-shadow:0 0 0 2px var(--orange),0 0 36px var(--orange-glow),0 8px 24px rgba(0,0,0,.5);
}
.btn-fab:active{transform:scale(.92)!important;}
.btn-fab-label{
  position:fixed;bottom:82px;right:20px;z-index:50;
  font-family:var(--font-hud);font-size:.55rem;
  text-transform:uppercase;letter-spacing:1.5px;
  color:var(--txt3);
  pointer-events:none;opacity:0;
  transition:opacity .2s;
}
.btn-fab:hover ~ .btn-fab-label{opacity:1;}

.btn-icon{
  width:40px;height:40px;padding:0;
  background:var(--glass);
  border:1px solid var(--border);
  color:var(--txt2);
  border-radius:var(--r-sm);font-size:.95rem;
  clip-path:none;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;outline:none;
  transition:all .15s ease;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
}
.btn-icon:hover{background:rgba(255,255,255,.07);color:var(--txt);border-color:var(--border-hi);}
.btn-icon:active{transform:scale(.9);}

.btn-row{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap;}

/*==================================================
  START SCREEN
==================================================*/
.bubble-hero{
  font-size:3.5rem;display:block;
  margin-bottom:14px;
  filter:drop-shadow(0 0 24px rgba(79,142,247,.5)) drop-shadow(0 0 48px rgba(244,114,182,.3));
}
.bubble-hero img{
  max-width: 200px;
}
.level-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,rgba(79,142,247,.15),rgba(155,108,249,.15));
  border:1px solid rgba(79,142,247,.3);
  border-radius:4px;padding:4px 12px;
  font-family:var(--font-hud);font-size:.65rem;
  color:var(--blue);letter-spacing:2px;text-transform:uppercase;
  margin-bottom:12px;
}
.feature-pills{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px;}
.pill{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:4px;
  padding:4px 12px;
  font-family:var(--font-hud);font-size:.6rem;
  color:var(--txt3);letter-spacing:1px;text-transform:uppercase;
}

.start-stats{
  display:grid;grid-template-columns:1fr 1fr;
  gap:12px;margin:0;
}
.stat-tile{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:12px;
  position:relative;
}
.stat-tile::before{
  content:'';position:absolute;bottom:0;left:0;right:0;height:2px;
  border-radius:0 0 var(--r-md) var(--r-md);
}
.st-blue::before{background:linear-gradient(90deg,var(--blue),var(--purple));}
.st-pink::before{background:linear-gradient(90deg,var(--pink),var(--orange));}

/*==================================================
  HUD
==================================================*/
#hud{
  position:fixed;top:0;left:0;right:0;z-index:20;
  padding:12px 16px 10px;
  background:linear-gradient(180deg,rgba(7,9,15,.96) 0%,transparent 100%);
  display:flex;align-items:center;gap:10px;
  pointer-events:none;opacity:0;
}
.hud-box{
  display:flex;flex-direction:column;align-items:center;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:5px 12px;min-width:64px;
  position:relative;overflow:hidden;
}
.hud-box::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:1px;
}
.hud-box-score::after{background:linear-gradient(90deg,var(--blue),var(--purple));}
.hud-box-left::after{background:linear-gradient(90deg,var(--cyan),var(--green));}
.hud-box-best::after{background:linear-gradient(90deg,var(--pink),var(--orange));}
.hud-box-lvl::after{background:linear-gradient(90deg,var(--yellow),var(--orange));}

.hud-box .lbl{font-size:.5rem;margin-bottom:1px;}
.hud-box .val{font-size:1.15rem;}

.hud-center{flex:1;display:flex;justify-content:center;}
.hud-score-main{
  background:rgba(79,142,247,.08);
  border:1px solid rgba(79,142,247,.2);
  border-radius:var(--r-md);padding:5px 20px;
  text-align:center;position:relative;overflow:hidden;
}
.hud-score-main::before{
  content:'';position:absolute;inset:-1px;border-radius:var(--r-md);
  background:linear-gradient(135deg,rgba(79,142,247,.12),rgba(155,108,249,.08));
  pointer-events:none;
}
.hud-score-main .lbl{color:var(--blue);}
.hud-score-main .val{font-size:1.4rem;color:var(--blue);}

.hud-actions{display:flex;gap:8px;pointer-events:all;}

/* level badge in hud */
.hud-lvl-badge{
  background:linear-gradient(135deg,rgba(251,191,36,.15),rgba(251,146,60,.12));
  border:1px solid rgba(251,191,36,.25);
  border-radius:4px;padding:5px 10px;
  font-family:var(--font-hud);font-size:.6rem;
  color:var(--yellow);letter-spacing:1.5px;text-transform:uppercase;
}

/*==================================================
  COMBO TOAST
==================================================*/
#combo-toast{
  position:fixed;top:82px;left:50%;transform:translateX(-50%);
  z-index:30;pointer-events:none;opacity:0;
  font-family:var(--font-hud);font-size:.85rem;font-weight:700;
  color:var(--pink);letter-spacing:2px;text-transform:uppercase;
  text-shadow:0 0 20px var(--pink-glow);white-space:nowrap;
  background:rgba(244,114,182,.08);
  border:1px solid rgba(244,114,182,.2);
  border-radius:4px;padding:5px 16px;
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}

/*==================================================
  LEVEL UP OVERLAY
==================================================*/
#level-overlay{
  position:fixed;inset:0;z-index:35;
  display:flex;align-items:center;justify-content:center;
  background:rgba(7,9,15,.75);
  backdrop-filter:blur(12px);
  pointer-events:none;opacity:0;
  overflow-y:auto;padding:20px;
  -webkit-overflow-scrolling:touch;
}
#level-overlay.active{pointer-events:all;}
#level-overlay > .card{margin:auto;}
#level-overlay .card{max-width:380px;}
.lvl-number{
  font-family:var(--font-hud);
  font-size:clamp(2.5rem,8vw,4.5rem);
  font-weight:900;letter-spacing:4px;
  background:linear-gradient(135deg,var(--yellow),var(--orange),var(--pink));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1;margin:12px 0 4px;
  filter:drop-shadow(0 0 20px rgba(251,191,36,.4));
}
.lvl-title{
  font-family:var(--font-hud);font-size:.7rem;
  text-transform:uppercase;letter-spacing:3px;
  color:var(--yellow);margin-bottom:16px;
}
.lvl-msg{font-size:.9rem;color:var(--txt2);line-height:1.5;margin:8px 0 20px;}

/* gamer xp bar */
.xp-bar-wrap{
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  border-radius:4px;height:8px;overflow:hidden;margin:16px 0 4px;
}
.xp-bar{
  height:100%;width:0%;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink));
  border-radius:4px;
  box-shadow:0 0 10px var(--cyan-glow);
  transition:width .8s ease;
}
.xp-label{font-family:var(--font-hud);font-size:.55rem;color:var(--txt3);text-align:right;letter-spacing:1px;}

/*==================================================
  PAUSE OVERLAY
==================================================*/
#pause-overlay{
  position:fixed;inset:0;z-index:25;
  display:flex;align-items:center;justify-content:center;
  background:rgba(7,9,15,.65);
  backdrop-filter:blur(10px);
  pointer-events:none;opacity:0;
  overflow-y:auto;padding:20px;
  -webkit-overflow-scrolling:touch;
}
#pause-overlay.active{pointer-events:all;}
#pause-overlay > .card{margin:auto;}
#pause-overlay .card{max-width:320px;padding:30px 34px;}

/*==================================================
  CANVAS
==================================================*/
#p5canvas{
  position:fixed;inset:0;z-index:15;
  display:block;width:100%;height:100%;cursor:crosshair;
}
#p5canvas canvas{
  display:block!important;
  width:100%!important;height:100%!important;
  touch-action:none;
}

/*==================================================
  GAME OVER
==================================================*/
#screen-gameover .go-icon{font-size:3rem;display:block;margin-bottom:10px;}
.go-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0;}
.go-tile{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:14px 10px;
  position:relative;overflow:hidden;
}
.go-tile::after{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
}
.go-tile:nth-child(1)::after{background:linear-gradient(90deg,var(--blue),var(--purple));}
.go-tile:nth-child(2)::after{background:linear-gradient(90deg,var(--yellow),var(--orange));}
.go-tile:nth-child(3)::after{background:linear-gradient(90deg,var(--pink),var(--orange));}
.go-tile:nth-child(4)::after{background:linear-gradient(90deg,var(--cyan),var(--green));}
.go-tile .val{font-size:1.6rem;}

#new-best-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,rgba(251,191,36,.12),rgba(251,146,60,.1));
  border:1px solid rgba(251,191,36,.3);
  border-radius:4px;padding:5px 14px;
  font-family:var(--font-hud);font-size:.65rem;
  color:var(--yellow);letter-spacing:1.5px;text-transform:uppercase;
  margin-bottom:14px;opacity:0;
}
/*==================================================
  SCORE POP
==================================================*/
.score-pop{
  position:fixed;z-index:55;
  font-family:var(--font-hud);font-weight:900;
  pointer-events:none;white-space:nowrap;
}

/*==================================================
  REFILL HINT
==================================================*/
#refill-hint{
  position:fixed;bottom:90px;left:50%;transform:translateX(-50%);
  z-index:22;font-family:var(--font-hud);font-size:.65rem;
  text-transform:uppercase;letter-spacing:2px;color:var(--txt3);
  pointer-events:none;opacity:0;border:1px solid var(--border);
  padding:6px 16px;border-radius:4px;background:var(--glass);
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}

/*==================================================
  RESPONSIVE
==================================================*/
@media(max-width:480px){
  .card{padding:24px 20px;}
  .title-xl{font-size:1.4rem;}
  .hud-score-main .val{font-size:1.1rem;}
  .hud-box .val{font-size:1rem;}
  #hud{padding:8px 10px 6px;gap:6px;}
  .hud-box{padding:4px 8px;min-width:52px;}
  .btn-fab{width:46px;height:46px;font-size:1rem;bottom:18px;right:18px;}
}
@media(prefers-reduced-motion:reduce){.orb{animation:none!important;}}

/* ── SHORT VIEWPORTS (devtools open, landscape phones, small laptops) ──
   Compacts every card-based screen so content fits without scrolling
   whenever possible; the overflow-y:auto fallback above still covers
   anything shorter than this handles. */
@media(max-height:700px){
  #hud{padding:6px 10px 5px;gap:6px;}
  .hud-box{padding:3px 8px;min-width:48px;}
  .hud-box .lbl{font-size:.45rem;}
  .hud-box .val{font-size:.95rem;}
  .hud-score-main{padding:3px 14px;}
  .hud-score-main .val{font-size:1.1rem;}
  #combo-toast{top:56px;}
  .card{padding:20px 24px;}
  .bubble-hero{font-size:2.2rem;margin-bottom:8px;}
  .bubble-hero img{max-width:120px;}
  .level-badge{margin-bottom:6px;padding:3px 10px;}
  .title-xl{font-size:clamp(1.3rem,4vw,1.9rem);}
  .tagline{margin-top:3px;}
  .divider{margin:14px 0;}
  .start-stats{gap:8px;}
  .stat-tile{padding:8px;}
  .btn-row{margin-top:14px;}
  .feature-pills{margin-top:10px;gap:6px;}
  .pill{padding:3px 10px;font-size:.6rem;}
  .lvl-number{font-size:clamp(1.8rem,6vw,3rem);margin:6px 0 2px;}
  .lvl-msg{margin:4px 0 12px;}
  .xp-bar-wrap{margin:10px 0 4px;}
  #level-overlay .card,#pause-overlay .card{padding:20px 24px;}
  .go-stats{margin:12px 0;gap:8px;}
  .go-tile{padding:8px 6px;}
  .go-tile .val{font-size:1.2rem;}
}
@media(max-height:480px){
  .card{padding:14px 20px;}
  .bubble-hero{display:none;}
  .feature-pills{display:none;}
  .divider{margin:10px 0;}
  .start-stats{margin:0 0 4px;}
}