:root{
  --bg:#070912;
  --glass:rgba(18,22,44,0.62);
  --glass-2:rgba(28,34,66,0.72);
  --border:rgba(150,180,255,0.22);
  --border-hot:rgba(180,210,255,0.55);
  --text:#eaf0ff;
  --muted:#94a2c8;
  --accent:#7fd8ff;
  --accent-2:#b98cff;
  --gold:#ffd36b;
  --danger:#ff5a6e;
  --good:#6bffa8;
  --font-ui:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-title:"Trebuchet MS","Segoe UI",Georgia,serif;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;width:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font-ui)}
body{position:fixed;inset:0;overscroll-behavior:none;touch-action:none}
#app{position:absolute;inset:0;overflow:hidden}
canvas#game{position:absolute;inset:0;width:100%;height:100%;display:block}
.hidden{display:none!important}

/* ---------- Glass ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:14px;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 30px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.06);
}

/* ---------- Screens ---------- */
.screen{
  position:absolute;inset:0;display:none;flex-direction:column;
  padding:calc(12px + var(--safe-t)) 12px calc(12px + var(--safe-b));
  z-index:20;
}
.screen.show{display:flex}
.overlay-screen{background:rgba(4,6,14,0.66);backdrop-filter:blur(4px);align-items:center;justify-content:center}

/* ---------- Menu ---------- */
#screen-menu{align-items:center;justify-content:center;background:radial-gradient(circle at 50% 34%,rgba(40,60,140,0.25),transparent 60%)}
.menu-inner{width:min(440px,92vw);display:flex;flex-direction:column;align-items:center;gap:22px;z-index:2}
.logo-wrap{text-align:center;user-select:none}
.logo{
  font-family:var(--font-title);font-size:clamp(38px,12vw,68px);line-height:0.9;
  letter-spacing:2px;font-weight:800;
  background:linear-gradient(180deg,#fff, #9fd6ff 55%, #7f7bff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(120,170,255,0.55)) drop-shadow(0 2px 0 rgba(0,0,0,0.4));
  animation:logopulse 4.5s ease-in-out infinite;
}
.logo span{display:block;letter-spacing:8px;font-size:0.62em;
  background:linear-gradient(180deg,#ffe9a8,#ffb35c 60%,#ff7bd0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 14px rgba(255,170,90,0.55));}
@keyframes logopulse{0%,100%{filter:drop-shadow(0 0 16px rgba(120,170,255,0.45))}50%{filter:drop-shadow(0 0 30px rgba(150,190,255,0.85))}}
.tagline{margin-top:12px;color:var(--accent);letter-spacing:6px;text-transform:uppercase;font-size:12px;opacity:.9}
.menu-buttons{width:100%;display:flex;flex-direction:column;gap:12px}
.menu-foot{margin-top:4px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;flex-wrap:wrap;justify-content:center}
.menu-foot .dot{font-size:7px;opacity:.5}
.sound-btn{background:none;border:none;color:var(--muted);font-size:13px;cursor:pointer;text-decoration:underline;font-family:inherit}

/* ---------- Buttons ---------- */
.btn{
  font-family:inherit;font-size:16px;font-weight:600;color:var(--text);
  background:var(--glass-2);border:1px solid var(--border);
  padding:14px 18px;border-radius:13px;cursor:pointer;
  transition:transform .09s, border-color .15s, box-shadow .15s, background .15s;
  position:relative;overflow:hidden;letter-spacing:.4px;
}
.btn:hover{border-color:var(--border-hot);box-shadow:0 0 22px rgba(120,170,255,0.28)}
.btn:active{transform:scale(0.97)}
.btn.primary{
  background:linear-gradient(180deg,rgba(90,180,255,0.35),rgba(120,90,255,0.35));
  border-color:rgba(150,200,255,0.6);
  box-shadow:0 0 26px rgba(100,160,255,0.35), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn.subtle{background:rgba(255,255,255,0.04);color:var(--muted);font-weight:500}
.btn.back{padding:10px 14px;font-size:14px}
.btn.danger-btn{background:rgba(255,80,100,0.12);border-color:rgba(255,90,110,0.4);color:#ffb0ba;margin-top:14px}
.icon-btn{width:46px;height:46px;border-radius:12px;font-size:16px;color:var(--text);cursor:pointer;font-weight:700}
.round-btn{
  width:76px;height:76px;border-radius:50%;font-weight:800;font-size:14px;letter-spacing:1px;
  cursor:pointer;color:var(--text);
}
.round-btn.fire{background:linear-gradient(180deg,rgba(255,150,90,0.4),rgba(255,90,120,0.35));border-color:rgba(255,170,120,0.6)}
.round-btn:active{transform:scale(0.93)}

/* ---------- Panel head ---------- */
.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex:0 0 auto}
.panel-head h2{font-family:var(--font-title);font-size:22px;letter-spacing:2px;font-weight:700;flex:1;text-align:center}
.head-spacer{width:64px}
.scroll-area{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;touch-action:pan-y;padding:14px;border-radius:18px;
  background:linear-gradient(180deg,rgba(6,9,18,0.74),rgba(6,9,18,0.58));
  border:1px solid rgba(150,180,255,0.12);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  margin-bottom:18px}

/* ---------- World map ---------- */
#worldmap-list{display:flex;flex-direction:column;gap:18px}
.world-block{border-radius:16px;padding:14px;border:1px solid var(--border);position:relative;overflow:hidden}
.world-title{font-family:var(--font-title);font-size:18px;letter-spacing:1.5px;margin-bottom:2px}
.world-sub{color:var(--muted);font-size:12px;margin-bottom:12px}
.world-stars{position:absolute;top:14px;right:14px;color:var(--gold);font-size:13px}
.level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:10px}
.level-cell{
  aspect-ratio:1/1;border-radius:13px;border:1px solid var(--border);background:rgba(10,14,30,0.55);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;
  transition:transform .1s,border-color .15s,box-shadow .15s;position:relative;padding:4px;
}
.level-cell:hover{border-color:var(--border-hot);box-shadow:0 0 18px rgba(120,170,255,0.25)}
.level-cell:active{transform:scale(0.95)}
.level-cell .num{font-size:19px;font-weight:700}
.level-cell .cell-stars{font-size:10px;color:var(--gold);letter-spacing:1px;height:12px}
.level-cell.locked{opacity:.42;cursor:not-allowed}
.level-cell.locked .num{filter:blur(0.4px)}
.level-cell.locked::after{content:"\1F512";position:absolute;font-size:15px;opacity:.8}
.level-cell.boss{border-color:rgba(255,120,150,0.45);background:rgba(60,20,40,0.5)}
.level-cell.boss .num{color:#ff9db0}
.level-cell.boss::before{content:"BOSS";position:absolute;top:3px;font-size:8px;letter-spacing:1px;color:#ff9db0}
.world-locked-note{color:var(--muted);font-size:12px;margin-top:8px;text-align:center}

/* ---------- Cards / challenges ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.card{border-radius:15px;padding:16px;border:1px solid var(--border);background:var(--glass);cursor:pointer;transition:transform .1s,border-color .15s}
.card:hover{border-color:var(--border-hot)}
.card:active{transform:scale(0.97)}
.card h3{font-size:16px;margin-bottom:6px;letter-spacing:.5px}
.card p{color:var(--muted);font-size:12px;line-height:1.45}
.card .best{margin-top:8px;color:var(--gold);font-size:12px}

/* ---------- Settings ---------- */
.settings{display:flex;flex-direction:column;gap:6px;max-width:560px;margin:0 auto}
.setting-row{
  display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:13px;
  background:var(--glass);border:1px solid var(--border);
}
.setting-row>span:first-child{flex:1;font-size:14px}
.setting-row .val{width:46px;text-align:right;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.text-input{background:rgba(0,0,0,0.35);border:1px solid var(--border);border-radius:9px;color:var(--text);
  padding:8px 10px;font-size:14px;font-family:inherit;width:150px;text-align:right}
input[type=range]{-webkit-appearance:none;appearance:none;width:140px;height:6px;border-radius:4px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:#fff;box-shadow:0 0 10px rgba(140,190,255,0.9);cursor:pointer}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border:none;border-radius:50%;background:#fff;box-shadow:0 0 10px rgba(140,190,255,0.9)}
.toggle{-webkit-appearance:none;appearance:none;width:52px;height:30px;border-radius:16px;background:rgba(255,255,255,0.12);
  border:1px solid var(--border);position:relative;cursor:pointer;transition:background .15s;flex:0 0 auto}
.toggle::after{content:"";position:absolute;top:2px;left:2px;width:24px;height:24px;border-radius:50%;background:#8fa;transition:left .15s;
  background:#cdd6f0;box-shadow:0 1px 4px rgba(0,0,0,0.5)}
.toggle:checked{background:rgba(90,190,255,0.5);border-color:var(--accent)}
.toggle:checked::after{left:24px;background:#eaf6ff}

/* ---------- Help ---------- */
.help{max-width:600px;margin:0 auto;line-height:1.6;font-size:14px;color:#cfd8f0}
.help h3{margin:18px 0 6px;color:var(--accent);letter-spacing:1px;font-size:14px;text-transform:uppercase}
.help p{margin-bottom:8px}
.help b{color:#fff}
.color-legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-top:16px}
.legend-item{display:flex;align-items:center;gap:8px;font-size:12px;background:var(--glass);border:1px solid var(--border);
  border-radius:10px;padding:8px 10px}
.legend-dot{width:18px;height:18px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 8px currentColor}

/* ---------- HUD ---------- */
#hud{position:absolute;inset:0;pointer-events:none;z-index:15}
#hud-top{position:absolute;top:calc(8px + var(--safe-t));left:10px;right:10px;display:flex;gap:8px;align-items:flex-start}
.hud-chip{padding:6px 12px;display:flex;flex-direction:column;line-height:1.1;border-radius:11px}
.hud-label{font-size:9px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}
#hud-score{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums}
#hud-level{font-size:14px;font-weight:700;color:var(--accent)}
#hud-best{font-size:14px;font-weight:700;color:var(--gold)}
#hud-best-chip{margin-left:auto}
#btn-pause{pointer-events:auto;flex:0 0 auto}
#hud-combo{position:absolute;top:calc(66px + var(--safe-t));left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:5px}
.combo-tag{font-weight:800;font-size:16px;letter-spacing:2px;padding:4px 14px;border-radius:20px;opacity:0;transform:scale(0.8);
  transition:opacity .15s,transform .15s}
.combo-tag.show{opacity:1;transform:scale(1)}
#combo-chain{color:#ffe08a;background:rgba(255,180,60,0.14);border:1px solid rgba(255,190,80,0.4);text-shadow:0 0 12px rgba(255,190,80,0.8)}
#combo-precision{color:#8ef0ff;background:rgba(80,220,255,0.14);border:1px solid rgba(120,230,255,0.4);text-shadow:0 0 12px rgba(120,230,255,0.8)}
.pop{animation:popin .3s ease}
@keyframes popin{0%{transform:scale(0.5)}60%{transform:scale(1.18)}100%{transform:scale(1)}}
#danger-banner{position:absolute;top:calc(44% - 20px);left:0;right:0;text-align:center;font-family:var(--font-title);
  font-size:clamp(28px,9vw,54px);font-weight:800;letter-spacing:6px;color:#ff6b7d;
  text-shadow:0 0 24px rgba(255,60,90,0.9),0 0 60px rgba(255,0,60,0.5);opacity:0;pointer-events:none}
#danger-banner.on{animation:dangerflash 1s ease-in-out infinite}
@keyframes dangerflash{0%,100%{opacity:.35}50%{opacity:1}}
#hud-bottom{position:absolute;bottom:calc(12px + var(--safe-b));left:12px;right:12px;display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
#powerups{display:flex;gap:8px;pointer-events:auto;flex-wrap:wrap;max-width:60%}
.pup{width:58px;height:58px;border-radius:50%;border:2px solid rgba(255,255,255,0.25);display:flex;flex-direction:column;
  align-items:center;justify-content:center;cursor:pointer;font-size:8px;letter-spacing:.5px;color:#fff;text-align:center;
  background:rgba(20,26,50,0.7);position:relative;overflow:hidden;transition:transform .1s,box-shadow .15s}
.pup:hover{transform:scale(1.06)}
.pup:active{transform:scale(0.92)}
.pup .pup-glyph{font-size:19px;line-height:1}
.pup .pup-name{font-size:7px;opacity:.85;margin-top:1px}
.pup.ready{box-shadow:0 0 18px currentColor}
#touch-controls{display:none;gap:14px;align-items:flex-end;pointer-events:auto}
#chain-meter{position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:min(320px,52%);height:5px;
  background:rgba(255,255,255,0.1);border-radius:4px;overflow:hidden}
#chain-meter-fill{height:100%;width:0%;background:linear-gradient(90deg,#6bffa8,#ffd36b,#ff5a6e);border-radius:4px;transition:width .2s}
body.touch #touch-controls{display:flex}
body.shake #app{animation:shake .3s}
@keyframes shake{0%,100%{transform:translate(0,0)}25%{transform:translate(-4px,2px)}50%{transform:translate(3px,-3px)}75%{transform:translate(-2px,3px)}}

/* ---------- Modals ---------- */
.modal{width:min(440px,92vw);padding:26px 22px;text-align:center;border-radius:20px;
  animation:modalIn .28s cubic-bezier(.2,.9,.3,1.2)}
@keyframes modalIn{from{transform:scale(0.85) translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal h2{font-family:var(--font-title);font-size:26px;letter-spacing:3px;margin-bottom:14px}
.win-title{background:linear-gradient(180deg,#ffe9a8,#ffb35c);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 18px rgba(255,180,90,0.6))}
.lose-title{color:#ff6b7d;text-shadow:0 0 22px rgba(255,60,90,0.7)}
.modal-buttons{display:flex;flex-direction:column;gap:10px}
.modal-buttons.row{flex-direction:row;flex-wrap:wrap;justify-content:center;margin-top:8px}
.modal-buttons.row .btn{flex:1 1 30%;min-width:110px}
.stars{display:flex;justify-content:center;gap:14px;margin:6px 0 16px;font-size:40px}
.star{color:rgba(255,255,255,0.15);transition:transform .3s,color .3s}
.star.on{color:var(--gold);text-shadow:0 0 22px rgba(255,200,90,0.9);transform:scale(1.12)}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.result-item{background:rgba(255,255,255,0.05);border-radius:10px;padding:9px;display:flex;flex-direction:column;gap:2px}
.result-item .k{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}
.result-item .v{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- Scores ---------- */
.score-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--glass);
  border:1px solid var(--border);margin-bottom:8px}
.score-row .rank{width:30px;font-weight:800;color:var(--muted);font-size:16px}
.score-row .who{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.score-row .pts{font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.score-row.me{border-color:var(--accent);box-shadow:0 0 16px rgba(120,200,255,0.25)}
.score-section-title{margin:16px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:2px;color:var(--accent)}

/* ---------- Toast ---------- */
.toast{position:absolute;left:50%;bottom:calc(84px + var(--safe-b));transform:translateX(-50%) translateY(20px);
  background:rgba(10,14,30,0.9);border:1px solid var(--border-hot);padding:10px 18px;border-radius:24px;font-size:13px;
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:60;white-space:nowrap;max-width:90vw;overflow:hidden;text-overflow:ellipsis}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Responsive ---------- */
@media (min-width:760px){
  .menu-buttons{max-width:340px}
  .modal-buttons.row .btn{flex:0 1 auto;min-width:130px}
}
@media (max-height:520px){
  .logo{font-size:clamp(30px,8vh,50px)}
  .menu-inner{gap:12px}
  .menu-buttons{gap:8px}
  .btn{padding:11px 16px;font-size:15px}
  .tagline{margin-top:6px}
}
@media (orientation:landscape) and (max-height:520px){
  .menu-inner{flex-direction:row;align-items:center;justify-content:center;gap:34px;width:min(860px,94vw)}
  .logo-wrap{flex:0 0 auto}
  .menu-buttons{flex:0 0 300px}
  .menu-foot{position:absolute;bottom:8px;left:0;right:0}
}