/* ============ VOID SWARM — neon arcade UI ============ */
:root{
  --bg:#05070f; --panel:rgba(8,13,28,.94); --panel2:rgba(13,20,40,.92);
  --cyan:#22e6ff; --magenta:#ff3df5; --lime:#b6ff3d; --gold:#ffd23d;
  --red:#ff4d5e; --orange:#ffb347; --ink:#eaf6ff; --dim:#8fa8c7;
  --line:rgba(120,220,255,.22);
  --font:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:var(--bg)}
body{
  font-family:var(--font);color:var(--ink);
  -webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;
  -webkit-touch-callout:none;touch-action:none;
}
#app{position:fixed;inset:0;overflow:hidden}
#game{position:absolute;inset:0;width:100%;height:100%;display:block;background:var(--bg);cursor:crosshair}
.hidden{display:none !important}

/* ============ HUD ============ */
#hud{position:absolute;inset:0;pointer-events:none;
  padding:calc(8px + env(safe-area-inset-top)) calc(10px + env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) calc(10px + env(safe-area-inset-left));
}
#xpbar{position:absolute;top:0;left:0;right:0;height:14px;background:rgba(10,18,36,.85);border-bottom:1px solid var(--line)}
#xpfill{height:100%;width:0%;background:linear-gradient(90deg,#1ec8ff,#7a5cff,#ff3df5);box-shadow:0 0 12px rgba(80,180,255,.8);transition:width .15s ease-out}
#lvlbadge{position:absolute;right:8px;top:15px;font-size:13px;font-weight:800;color:#0af;letter-spacing:1px;text-shadow:0 0 8px rgba(0,180,255,.9)}
#hud-top{position:absolute;top:22px;left:12px;right:12px;display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
#hud-left{min-width:170px}
#hpwrap{position:relative;width:190px;height:22px;background:rgba(10,18,36,.85);border:1px solid var(--line);border-radius:6px;overflow:hidden}
#hpfill{height:100%;width:100%;background:linear-gradient(180deg,#7dff8a,#25d366 55%,#0f9e4a);transition:width .12s}
#hpfill.low{background:linear-gradient(180deg,#ffb08a,#ff5e4d 55%,#c01d2e)}
#hptext{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;text-shadow:0 1px 2px #000}
#charname{margin-top:4px;font-size:10px;letter-spacing:2px;color:var(--dim);font-weight:700}
#hud-center{display:flex;flex-direction:column;align-items:center;gap:6px}
#timer{font-size:clamp(22px,4vw,34px);font-weight:900;letter-spacing:2px;color:#fff;text-shadow:0 0 14px rgba(120,220,255,.55);font-variant-numeric:tabular-nums}
#bossbar{width:min(46vw,420px);text-align:center}
#bossname{font-size:11px;font-weight:800;letter-spacing:3px;color:var(--magenta);text-shadow:0 0 10px rgba(255,61,245,.8)}
#bosstrack{height:12px;margin-top:3px;background:rgba(30,8,20,.85);border:1px solid rgba(255,61,245,.45);border-radius:6px;overflow:hidden}
#bossfill{height:100%;width:100%;background:linear-gradient(90deg,#ff3df5,#ff7a3d);transition:width .1s}
#hud-right{display:flex;flex-direction:column;gap:4px;align-items:flex-end;min-width:110px;margin-right:56px}
.statline{display:flex;align-items:center;gap:6px;font-size:17px;font-weight:800;color:#fff;text-shadow:0 0 8px rgba(0,0,0,.8);font-variant-numeric:tabular-nums}
.statline .ico{font-size:15px;filter:drop-shadow(0 0 4px rgba(255,210,61,.8))}
.statline.big{font-size:22px}
#combo{position:absolute;top:16%;left:50%;transform:translateX(-50%);font-weight:900;font-size:clamp(16px,3vw,26px);letter-spacing:2px;color:var(--gold);text-shadow:0 0 14px rgba(255,210,61,.9);animation:pop .18s ease-out}
#announce{position:absolute;top:34%;left:0;right:0;text-align:center;pointer-events:none}
#announce-main{font-size:clamp(26px,6vw,52px);font-weight:900;letter-spacing:6px;color:#fff;text-shadow:0 0 18px rgba(120,220,255,.9),0 0 46px rgba(255,61,245,.5);animation:annIn .5s ease-out}
#announce-main.danger{color:#ffd3d9;text-shadow:0 0 18px rgba(255,77,94,.95),0 0 60px rgba(255,61,245,.6)}
#announce-sub{margin-top:6px;font-size:clamp(12px,2vw,16px);letter-spacing:3px;color:var(--dim);animation:annIn .5s ease-out}
@keyframes annIn{0%{opacity:0;transform:scale(.7)}55%{opacity:1;transform:scale(1.06)}100%{opacity:1;transform:scale(1)}}
@keyframes pop{0%{transform:translateX(-50%) scale(1.5)}100%{transform:translateX(-50%) scale(1)}}
#weaponslots{position:absolute;bottom:calc(12px + env(safe-area-inset-bottom));left:12px;display:flex;gap:6px}
.wslot{width:44px;height:44px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;position:relative}
.wslot .pips{position:absolute;bottom:2px;left:0;right:0;display:flex;gap:2px;justify-content:center}
.wslot .pip{width:5px;height:5px;border-radius:1px;background:rgba(160,200,255,.25)}
.wslot .pip.on{background:var(--cyan);box-shadow:0 0 5px var(--cyan)}
#pausebtn{position:absolute;top:calc(20px + env(safe-area-inset-top));right:12px;pointer-events:auto}
#dashwrap{position:absolute;right:calc(18px + env(safe-area-inset-right));bottom:calc(18px + env(safe-area-inset-bottom));width:74px;height:74px;pointer-events:auto;display:none}
#dashbtn{position:absolute;inset:0;border-radius:50%;background:rgba(13,20,40,.8);border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--cyan);text-shadow:0 0 10px var(--cyan)}
#dashbtn.ready{border-color:var(--cyan);box-shadow:0 0 16px rgba(34,230,255,.5)}
#dashring{position:absolute;inset:-2px;border-radius:50%;background:conic-gradient(var(--cyan) 0turn,rgba(34,230,255,.12) 0turn)}
body.touch #dashwrap{display:block}
#joy{position:absolute;width:120px;height:120px;border-radius:50%;border:2px solid rgba(120,220,255,.3);background:rgba(13,20,40,.35);pointer-events:none}
#joy-stick{position:absolute;left:50%;top:50%;width:52px;height:52px;border-radius:50%;background:rgba(34,230,255,.35);border:2px solid var(--cyan);transform:translate(-50%,-50%);box-shadow:0 0 14px rgba(34,230,255,.5)}
#vignette{position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at center,transparent 55%,rgba(255,30,60,.55) 100%);transition:opacity .25s}
#vignette.on{opacity:1;animation:hbeat 1s infinite}
@keyframes hbeat{0%,100%{opacity:.75}50%{opacity:1}}
.iconbtn{width:42px;height:42px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);color:var(--ink);font-size:15px;font-weight:800;cursor:pointer}
.iconbtn:active{transform:scale(.92)}

/* ============ Screens ============ */
.screen{position:absolute;inset:0;display:none;align-items:center;justify-content:center;flex-direction:column;z-index:10;
  background:radial-gradient(ellipse at 50% 30%,rgba(20,34,68,.55),rgba(4,6,14,.88) 75%);padding:16px}
.screen.active{display:flex}
#screen-menu{background:radial-gradient(ellipse at 50% 30%,rgba(20,34,68,.28),rgba(4,6,14,.58) 78%)}
.citem .c-ico canvas{filter:drop-shadow(0 0 8px rgba(120,220,255,.55))}
.menu-inner{display:flex;flex-direction:column;align-items:center;text-align:center}
.logo{font-size:clamp(40px,9vw,84px);font-weight:900;letter-spacing:10px;color:#fff;text-align:center;line-height:1;
  text-shadow:0 0 20px rgba(34,230,255,.85),0 0 70px rgba(255,61,245,.45)}
.logo span{color:var(--cyan);text-shadow:0 0 24px rgba(34,230,255,1)}
.logo.big{font-size:clamp(44px,10vw,96px)}
.tagline{margin-top:12px;letter-spacing:2px;color:var(--dim);font-size:clamp(11px,2vw,15px);text-align:center}
.bestline{margin:14px 0 20px;font-size:14px;color:var(--gold);letter-spacing:1px;font-weight:700;text-align:center}
.footnote{margin-top:22px;font-size:11px;color:rgba(143,168,199,.6);letter-spacing:1px}
.dim{color:var(--dim)} .tiny{font-size:11px}
.mt{margin-top:18px}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px 24px;max-width:440px;width:min(94vw,440px);
  box-shadow:0 0 0 1px rgba(0,0,0,.5),0 24px 80px rgba(0,0,0,.6),inset 0 0 60px rgba(34,90,180,.08);text-align:center;
  max-height:92vh;overflow-y:auto;touch-action:pan-y}
.panel.wide{max-width:640px;width:min(96vw,640px)}
.panel h2{letter-spacing:4px;font-size:22px;margin-bottom:14px;color:#fff;text-shadow:0 0 12px rgba(34,230,255,.5)}
.panel .tip{font-size:12px;margin-bottom:14px;min-height:14px}

.btn{pointer-events:auto;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  font-family:var(--font);font-weight:800;letter-spacing:1.5px;font-size:14px;color:var(--ink);
  background:linear-gradient(180deg,rgba(30,48,90,.9),rgba(16,26,52,.9));border:1px solid var(--line);
  border-radius:12px;padding:12px 18px;transition:transform .08s,box-shadow .12s,border-color .12s}
.btn:hover{border-color:rgba(120,220,255,.6);box-shadow:0 0 18px rgba(34,230,255,.22)}
.btn:active{transform:scale(.95)}
.btn.primary{background:linear-gradient(180deg,#0e6f9e,#0a4a78);border-color:rgba(80,220,255,.6);box-shadow:0 0 22px rgba(34,230,255,.35)}
.btn.primary:hover{box-shadow:0 0 30px rgba(34,230,255,.55)}
.btn.danger{background:linear-gradient(180deg,#8e1e33,#5e1220);border-color:rgba(255,80,100,.5)}
.btn.reward{background:linear-gradient(180deg,#7a4bd6,#4c2b96);border-color:rgba(190,140,255,.65);box-shadow:0 0 18px rgba(150,90,255,.35)}
.btn.small{padding:8px 12px;font-size:12px}
.btn.xl{font-size:20px;padding:16px 30px;border-radius:16px}
.btn.toggle.on{border-color:var(--lime);color:var(--lime);box-shadow:0 0 12px rgba(182,255,61,.3)}
.btn:disabled{opacity:.4;cursor:default;box-shadow:none}
.btnrow{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.btnrow.col{flex-direction:column}
.adtag{font-size:9px;font-weight:900;background:var(--gold);color:#402d00;border-radius:4px;padding:2px 5px;letter-spacing:1px}

/* settings */
.setrow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:13px 0;font-size:13px;letter-spacing:1px;color:var(--dim);font-weight:700}
.setrow input[type=range]{flex:1;max-width:220px;accent-color:var(--cyan);pointer-events:auto}
.seg{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{background:transparent;border:none;color:var(--dim);font-weight:800;font-size:11px;padding:8px 11px;cursor:pointer;font-family:var(--font);letter-spacing:1px}
.seg button.on{background:rgba(34,230,255,.18);color:var(--cyan)}

/* howto */
.howto-cols{display:flex;gap:14px;text-align:left;flex-wrap:wrap}
.howto-col{flex:1;min-width:200px;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.howto-col h3{font-size:14px;letter-spacing:2px;color:var(--cyan);margin-bottom:8px}
.howto-col ul{list-style:none}
.howto-col li{font-size:13px;color:var(--dim);margin:7px 0;line-height:1.45}
.howto-col li b{color:#fff}
.kbd{font-size:10px;color:var(--lime);border:1px solid rgba(182,255,61,.4);border-radius:4px;padding:1px 5px;margin-left:6px}
.howto-goal{margin:14px 0;text-align:left;font-size:13px;line-height:1.8;color:var(--dim)}
.howto-goal b{color:#fff}
.chip{display:inline-block;background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:1px 8px;font-size:12px;margin:2px}
.chip.gem{border-color:rgba(122,92,255,.6);color:#cfc0ff}
.chip.coin{border-color:rgba(255,210,61,.5);color:var(--gold)}

/* load */
.loadbar{width:min(60vw,320px);height:8px;border-radius:6px;background:rgba(20,34,64,.9);border:1px solid var(--line);overflow:hidden;margin:22px 0 12px}
#loadfill{height:100%;width:5%;background:linear-gradient(90deg,var(--cyan),var(--magenta));box-shadow:0 0 12px var(--cyan);transition:width .3s}

/* shop */
.shop-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:10px;margin-top:10px}
.sitem{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;text-align:left;position:relative}
.sitem .si-top{display:flex;align-items:center;gap:8px;font-weight:800;font-size:13px}
.sitem .si-ico{font-size:20px}
.sitem .si-desc{font-size:11px;color:var(--dim);margin:5px 0 8px;line-height:1.4;min-height:28px}
.sitem .si-lvls{display:flex;gap:3px;margin-bottom:8px}
.sitem .si-lvls i{flex:1;height:5px;border-radius:2px;background:rgba(160,200,255,.18)}
.sitem .si-lvls i.on{background:var(--lime);box-shadow:0 0 6px rgba(182,255,61,.7)}
.sitem .btn{width:100%;padding:8px 6px;font-size:12px}
.sitem.maxed{opacity:.75}
.sitem .maxtag{position:absolute;top:8px;right:8px;font-size:9px;font-weight:900;color:var(--lime);letter-spacing:1px}
.char-grid{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.citem{width:180px;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.citem.sel{border-color:var(--cyan);box-shadow:0 0 16px rgba(34,230,255,.35)}
.citem .c-ico{font-size:30px}
.citem .c-name{font-weight:900;letter-spacing:2px;margin:6px 0 2px;font-size:14px}
.citem .c-desc{font-size:11px;color:var(--dim);min-height:30px;line-height:1.4;margin:4px 0 8px}
.citem .btn{width:100%;padding:7px;font-size:11px}

/* level up */
.lu-head{text-align:center;margin-bottom:16px;animation:annIn .4s ease-out}
.lu-head h2{font-size:clamp(26px,5vw,40px);letter-spacing:5px;text-shadow:0 0 22px rgba(182,255,61,.8)}
.lu-cards{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;perspective:900px}
.lucard{width:min(200px,28vw);min-width:150px;background:var(--panel2);border:1px solid rgba(120,220,255,.35);border-radius:16px;padding:18px 14px;cursor:pointer;pointer-events:auto;
  text-align:center;transition:transform .12s,box-shadow .12s,border-color .12s;animation:cardIn .35s ease-out backwards}
.lucard:nth-child(2){animation-delay:.07s}.lucard:nth-child(3){animation-delay:.14s}
@keyframes cardIn{0%{opacity:0;transform:translateY(26px) rotateX(14deg)}100%{opacity:1}}
.lucard:hover{transform:translateY(-6px) scale(1.04);border-color:var(--cyan);box-shadow:0 10px 34px rgba(34,230,255,.28)}
.lucard .lc-ico{font-size:38px;filter:drop-shadow(0 0 10px rgba(120,220,255,.8))}
.lucard .lc-kind{font-size:9px;letter-spacing:2px;color:var(--dim);margin-top:8px;font-weight:800}
.lucard .lc-name{font-weight:900;font-size:15px;margin-top:3px;letter-spacing:1px}
.lucard .lc-lvl{font-size:10px;color:var(--gold);font-weight:800;letter-spacing:1px;margin-top:2px}
.lucard .lc-desc{font-size:11.5px;color:var(--dim);margin-top:8px;line-height:1.5;min-height:34px}
.lucard.new .lc-kind{color:var(--lime)}
.lucard.maxout{border-color:rgba(255,210,61,.5)}
.lu-foot{margin-top:18px}
.lucard.maxed{opacity:.55;pointer-events:none}

/* game over */
.panel.go{max-width:480px}
#go-title{font-size:clamp(30px,7vw,46px);letter-spacing:8px;color:#ff9aa6;text-shadow:0 0 24px rgba(255,60,90,.75)}
.newbest{margin:6px 0 2px;font-weight:900;letter-spacing:3px;color:var(--gold);text-shadow:0 0 16px rgba(255,210,61,.9);animation:pop2 .5s ease-out}
@keyframes pop2{0%{transform:scale(.4);opacity:0}70%{transform:scale(1.15)}100%{transform:scale(1)}}
.go-stats{margin:16px 0;display:grid;grid-template-columns:1fr 1fr;gap:9px}
.gstat{background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:9px 6px}
.gstat .gsv{font-size:22px;font-weight:900;color:#fff;font-variant-numeric:tabular-nums}
.gstat .gsv.gold{color:var(--gold)}
.gstat .gsl{font-size:9.5px;letter-spacing:2px;color:var(--dim);margin-top:2px;font-weight:700}
.adrow{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:4px}
.adrow .btn{flex:1;min-width:150px}
#ad-note{margin:6px 0 8px;min-height:13px}

/* toasts */
#toasts{position:absolute;bottom:calc(86px + env(safe-area-inset-bottom));left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:none;z-index:30}
.toast{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:8px 16px;font-size:13px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 30px rgba(0,0,0,.5);animation:toastIn .3s ease-out,toastOut .4s ease-in 2.6s forwards}
.toast.blue{border-left-color:var(--cyan)} .toast.red{border-left-color:var(--red)} .toast.green{border-left-color:var(--lime)}
@keyframes toastIn{0%{opacity:0;transform:translateY(14px)}100%{opacity:1}}
@keyframes toastOut{100%{opacity:0;transform:translateY(-10px)}}

/* tutorial hints */
#tuthints{position:absolute;inset:0;pointer-events:none;z-index:5}
.tut{position:absolute;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:12px;line-height:1.5;color:var(--dim);
  box-shadow:0 8px 30px rgba(0,0,0,.5);animation:cardIn .5s ease-out backwards;text-align:center}
.tut b{display:block;font-size:13px;letter-spacing:2px;color:var(--cyan);margin-bottom:4px}
.tut-move{left:6%;bottom:34%;animation-delay:.3s}
.tut-aim{top:26%;left:50%;transform:translateX(-50%);animation-delay:.9s}
.tut-gem{right:6%;top:38%;animation-delay:1.5s}
.tut-dash{right:7%;bottom:26%;animation-delay:2.1s}
@media (max-width:760px){
  .tut{font-size:11px;padding:8px 10px}
  .tut-aim{top:22%}
}

/* mobile tightening */
@media (max-width:760px){
  #hpwrap{width:150px;height:20px}
  #hud-left{min-width:140px}
  #hud-right{min-width:90px;margin-right:50px}
  .statline{font-size:15px}
  #weaponslots .wslot{width:38px;height:38px;font-size:17px}
  #pausebtn{top:calc(18px + env(safe-area-inset-top))}
  .screen{padding:10px}
  .panel{padding:16px 14px}
  .btn.xl{font-size:17px;padding:14px 24px}
  .lucard{padding:12px 10px}
  .lucard .lc-ico{font-size:30px}
}
/* very short screens (landscape phones) */
@media (max-height:460px){
  .logo{font-size:34px;letter-spacing:6px}
  .tagline{margin-top:6px}
  #menu .btnrow{margin-top:8px}
  .panel{max-height:94vh}
}