:root{
  --bg:#0b1020; --panel:#141c33; --edge:#000; --hi:#3a4d8f; --lo:#0c1228;
  --cyan:#4fd8ff; --red:#ff6a55; --yellow:#ffd23f; --green:#5dff9a; --txt:#e8eeff;
  --font:'Press Start 2P','Courier New',monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);font-family:var(--font);overflow:hidden;overscroll-behavior:none;touch-action:none}
.hide{display:none!important}

/* ---------- retro buttons ---------- */
.btn{font-family:var(--font);font-size:11px;color:#fff;background:#1d2a54;border:0;padding:13px 12px;margin:6px 0;width:100%;cursor:pointer;
  box-shadow:inset -3px -3px 0 var(--lo),inset 3px 3px 0 var(--hi),0 0 0 3px var(--edge);text-transform:uppercase;letter-spacing:0}
.btn:active:not(:disabled){transform:translate(2px,2px);box-shadow:inset 3px 3px 0 var(--lo),inset -3px -3px 0 var(--hi),0 0 0 3px var(--edge)}
.btn:disabled{opacity:.35;cursor:default}
.btn.big{background:#1f6a3a;font-size:13px;padding:16px 12px;box-shadow:inset -3px -3px 0 #0c3a1d,inset 3px 3px 0 #3fbf6e,0 0 0 3px #000}
.btn.ghost{background:#161b30;color:#9aa6d0}
.btn.sm{width:auto;margin:0;padding:10px 12px}
.btn.on{background:#7a5a10;box-shadow:inset -3px -3px 0 #3a2a05,inset 3px 3px 0 #e0b030,0 0 0 3px #000}

/* ---------- screens ---------- */
.screen{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:16px;
  background:radial-gradient(ellipse at 30% 20%,#17306a 0%,#0b1020 70%);overflow:auto}
#pause,#gameover{background:rgba(5,8,18,.88);z-index:40}
.screen::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 2px,transparent 2px 4px)}
.menu-box{position:relative;width:min(92vw,380px);text-align:center;padding:22px 18px;background:var(--panel);
  box-shadow:inset -4px -4px 0 var(--lo),inset 4px 4px 0 var(--hi),0 0 0 4px #000}
h1{font-size:28px;line-height:1.25;margin:4px 0 8px;color:var(--cyan);text-shadow:3px 3px 0 #0a3a55,6px 6px 0 #000}
h2{font-size:20px;margin:6px 0 14px;color:var(--yellow);text-shadow:3px 3px 0 #000}
.sub{font-size:8px;color:#8a98c8;margin:0 0 18px}
.small{font-size:8px;line-height:1.7;color:#aab6e0;margin:8px 0}
.dim{opacity:.6}
.code{font-size:34px;letter-spacing:6px;color:var(--yellow);margin:10px 0;text-shadow:3px 3px 0 #000}
.seg{display:flex;gap:6px;margin-bottom:12px}
.seg button{flex:1;font-family:var(--font);font-size:9px;padding:10px 2px;color:#9aa6d0;background:#161b30;border:0;cursor:pointer;
  box-shadow:inset -2px -2px 0 var(--lo),inset 2px 2px 0 #2a3566,0 0 0 2px #000}
.seg button.on{color:#fff;background:#7a5a10;box-shadow:inset -2px -2px 0 #3a2a05,inset 2px 2px 0 #e0b030,0 0 0 2px #000}
.row{display:flex;gap:8px;align-items:center;margin:10px 0}
.row .btn{width:auto;margin:0;padding:13px 16px}
input{flex:1;min-width:0;font-family:var(--font);font-size:16px;text-align:center;text-transform:uppercase;padding:11px 6px;color:var(--yellow);background:#0a0f20;border:0;
  box-shadow:inset 3px 3px 0 #000,0 0 0 2px var(--hi);outline:0}
.rooms{display:flex;flex-direction:column;gap:6px;max-height:150px;overflow:auto;margin:6px 0}
.help{text-align:left}
.help ul{margin:0 0 10px;padding-left:16px;font-size:8px;line-height:1.9;color:#cdd6f8}
.help li{margin-bottom:6px}

/* ---------- game layout ---------- */
#game-ui{position:fixed;inset:0;display:flex;flex-direction:column;background:#070b17;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
#hud-top{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--panel);border-bottom:3px solid #000;flex:0 0 auto}
.turnbox{flex:1;min-width:0}
#turnLabel{font-size:10px;margin-bottom:5px;color:var(--cyan)}
#turnLabel.en{color:var(--red)}
.bar{position:relative;height:14px;background:#050813;box-shadow:inset 2px 2px 0 #000,0 0 0 2px var(--hi)}
#timerBar{height:100%;width:100%;background:var(--green);transition:width .12s linear}
#timerBar.warn{background:var(--yellow)} #timerBar.crit{background:var(--red)}
#timerNum{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:8px;text-shadow:1px 1px 0 #000}
.docks{display:flex;flex-direction:column;gap:3px;font-size:7px}
.docks div{display:flex;align-items:center;gap:6px;justify-content:space-between}
.docks small{font-size:7px;color:#8a98c8}
.pip{display:inline-block;width:9px;height:9px;margin-left:2px;background:#2b3354;box-shadow:0 0 0 1px #000}
.pip.on.me{background:var(--cyan)} .pip.on.en{background:var(--red)}
#stage{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden}
#wrap{position:relative;box-shadow:0 0 0 3px #000}
#game{display:block;width:100%;height:100%;image-rendering:pixelated;touch-action:none;cursor:grab}
#mini{position:absolute;top:6px;right:6px;width:86px;height:86px;image-rendering:pixelated;opacity:.88;box-shadow:0 0 0 2px #000,0 0 0 3px var(--hi);background:#000;touch-action:none}
.scan{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.10) 0 1px,transparent 1px 3px);mix-blend-mode:multiply}
#banner{position:absolute;left:0;right:0;top:38%;text-align:center;font-size:22px;color:#fff;pointer-events:none;opacity:0;
  text-shadow:3px 3px 0 #000,0 0 14px var(--cyan)}
#banner.show{animation:ban 1.4s ease-out forwards}
#banner.en{text-shadow:3px 3px 0 #000,0 0 14px var(--red)}
@keyframes ban{0%{opacity:0;transform:scale(1.6)}15%{opacity:1;transform:scale(1)}75%{opacity:1}100%{opacity:0;transform:scale(1)}}
#toast{position:absolute;left:8px;right:8px;bottom:10px;text-align:center;font-size:9px;color:var(--yellow);pointer-events:none;opacity:0;text-shadow:2px 2px 0 #000;transition:opacity .25s}
#toast.show{opacity:1}

#hud-bottom{flex:0 0 auto;background:var(--panel);border-top:3px solid #000;padding:6px 8px 8px}
#info{font-size:8px;line-height:1.6;min-height:26px;color:#cdd6f8;margin-bottom:6px}
#chips{display:flex;gap:5px;margin-bottom:7px;overflow-x:auto;scrollbar-width:none}
#chips::-webkit-scrollbar{display:none}
.chip{flex:1 0 auto;min-width:46px;font-family:var(--font);color:#fff;background:#1a2244;border:0;padding:6px 4px 5px;cursor:pointer;
  box-shadow:inset -2px -2px 0 var(--lo),inset 2px 2px 0 var(--hi),0 0 0 2px #000;display:flex;flex-direction:column;gap:4px;align-items:center}
.chip span{font-size:8px}
.chip .pips{display:flex;gap:1px;flex-wrap:wrap;justify-content:center;max-width:46px}
.chip .pip{margin:0;width:6px;height:6px}
.chip .pip.on{background:var(--green)}
.chip.sel{background:#7a5a10;box-shadow:inset -2px -2px 0 #3a2a05,inset 2px 2px 0 #e0b030,0 0 0 2px #000}
.chip.done{opacity:.55} .chip.dead{opacity:.2}
.chip.need::after{content:"!";font-size:8px;color:var(--yellow);position:absolute;margin:-4px 0 0 34px}
@media (max-height:640px){ #info{min-height:20px;margin-bottom:3px} #chips{margin-bottom:4px} }