:root{
  --sand:#d9c49f; --dust:#efe3cc; --olive:#6b7443; --amber:#f0a92e; --red:#d4452c; --ink:#1b1812; --paper:#f5efe3;
  --panel:rgba(30,26,19,.72); --panel-edge:rgba(245,239,227,.16); --text:#f5efe3; --muted:rgba(245,239,227,.66);
  --display:"Big Shoulders Stencil Display", Impact, "Arial Narrow Bold", sans-serif;
  --ui:"Barlow Semi Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --panel:rgba(20,18,13,.8); --panel-edge:rgba(245,239,227,.12); } }
:root[data-theme="dark"]{ --panel:rgba(20,18,13,.8); --panel-edge:rgba(245,239,227,.12); }
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
html,body{height:100%;margin:0;overflow:hidden;background:#231f18;color:var(--text);font-family:var(--ui);-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
#game{position:fixed;inset:0}
#game canvas{display:block;width:100%;height:100%;outline:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ---------- screens ---------- */
.screen{position:fixed;inset:0;display:flex;align-items:stretch;z-index:20}
#menu{background:linear-gradient(90deg,rgba(24,20,14,.86) 0%,rgba(24,20,14,.55) 38%,rgba(24,20,14,0) 70%)}
.panel{width:min(460px,100%);padding:calc(env(safe-area-inset-top,0px) + 48px) 40px calc(env(safe-area-inset-bottom,0px) + 32px) calc(env(safe-area-inset-left,0px) + 48px);display:flex;flex-direction:column;gap:22px;overflow-y:auto}
.logo{font-family:var(--display);font-weight:900;font-size:clamp(64px,10vw,112px);line-height:.82;letter-spacing:.01em;margin:0;color:var(--dust);text-shadow:0 3px 0 rgba(0,0,0,.25)}
.logo small{display:block;font-family:var(--ui);font-weight:500;font-size:17px;letter-spacing:.02em;color:var(--sand);margin-top:14px;line-height:1.35;text-shadow:none;max-width:34ch}
.primary{appearance:none;border:0;border-radius:3px;background:var(--amber);color:#1d160a;font-weight:700;font-size:22px;padding:14px 22px;cursor:pointer;text-align:left;display:flex;justify-content:space-between;align-items:center;box-shadow:0 8px 24px rgba(240,169,46,.25);transition:transform .12s,background .12s}
.primary:hover:not(:disabled){background:#ffbb44;transform:translateY(-1px)}
.primary:disabled{background:rgba(245,239,227,.18);color:var(--muted);box-shadow:none;cursor:progress}
.primary kbd{font-family:var(--ui);font-size:13px;font-weight:600;opacity:.7}
.secondary{appearance:none;background:transparent;border:1px solid var(--panel-edge);border-radius:3px;padding:11px 18px;font-size:17px;font-weight:600;cursor:pointer;color:var(--text);text-align:left}
.secondary:hover{background:rgba(245,239,227,.08)}
.load{display:flex;flex-direction:column;gap:8px}
.load .bar{height:4px;background:rgba(245,239,227,.14);border-radius:2px;overflow:hidden}
.load .bar i{display:block;height:100%;width:0;background:var(--amber);transition:width .25s}
.load span{font-size:14px;color:var(--muted)}
.best{font-size:15px;color:var(--muted)}
.best b{font-family:var(--display);font-size:26px;color:var(--dust);margin-left:6px;vertical-align:-2px}
details{border-top:1px solid var(--panel-edge);padding-top:14px}
summary{cursor:pointer;font-weight:600;font-size:17px;color:var(--dust);list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--muted)}
details[open] summary::after{content:"–"}
.settings{display:grid;grid-template-columns:auto 1fr;gap:12px 16px;margin-top:14px;align-items:center;font-size:15px}
.settings label{color:var(--muted)}
.settings select,.settings input{accent-color:var(--amber);width:100%}
.settings select{background:rgba(0,0,0,.35);color:var(--text);border:1px solid var(--panel-edge);border-radius:3px;padding:6px 8px;font:inherit}
.controls{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:15px;margin-top:14px}
.controls kbd{font-family:var(--ui);font-weight:700;color:var(--dust);background:rgba(245,239,227,.08);border:1px solid var(--panel-edge);border-radius:3px;padding:1px 7px;font-size:13px;white-space:nowrap;justify-self:start}
.controls span{color:var(--muted)}
.note{font-size:14px;color:var(--sand);background:rgba(240,169,46,.1);border-left:3px solid var(--amber);padding:10px 12px;line-height:1.4}
.center-screen{align-items:center;justify-content:center;background:rgba(20,17,12,.62);backdrop-filter:blur(3px)}
.card{width:min(420px,calc(100% - 32px));background:var(--panel);border:1px solid var(--panel-edge);padding:32px;display:flex;flex-direction:column;gap:14px}
.card h2{font-family:var(--display);font-weight:900;font-size:64px;line-height:.9;margin:0 0 6px;color:var(--dust)}
#death .card h2{color:#f0765d}
.stats{display:grid;grid-template-columns:1fr auto;gap:8px 16px;font-size:17px;margin:4px 0 10px}
.stats span{color:var(--muted)}
.stats b{font-family:var(--display);font-size:24px;font-weight:700;text-align:right}
.newbest{color:var(--amber);font-weight:700;font-size:16px}

/* ---------- HUD ---------- */
#hud{position:fixed;inset:0;pointer-events:none;z-index:10;text-shadow:0 1px 3px rgba(0,0,0,.55)}
#minimap{position:absolute;top:calc(env(safe-area-inset-top,0px) + 18px);left:calc(env(safe-area-inset-left,0px) + 18px);width:168px;height:168px;border-radius:50%;box-shadow:0 0 0 2px rgba(245,239,227,.28),0 8px 26px rgba(0,0,0,.35)}
#wave-info{position:absolute;top:calc(env(safe-area-inset-top,0px) + 196px);left:calc(env(safe-area-inset-left,0px) + 18px);width:168px;text-align:center}
#wave-num{font-family:var(--display);font-weight:900;font-size:30px;line-height:1;display:block}
#enemies-left{font-size:15px;color:var(--dust);font-weight:600}
#score{position:absolute;top:calc(env(safe-area-inset-top,0px) + 16px);right:calc(env(safe-area-inset-right,0px) + 22px);text-align:right}
#score-num{font-family:var(--display);font-weight:900;font-size:42px;line-height:1;display:block}
#score small{font-size:14px;color:var(--dust);font-weight:600}
#killfeed{position:absolute;top:calc(env(safe-area-inset-top,0px) + 88px);right:calc(env(safe-area-inset-right,0px) + 22px);display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.kf{background:rgba(20,17,12,.55);padding:4px 10px;font-size:15px;font-weight:600;border-radius:2px;transition:opacity .5s}
.kf .w{color:var(--sand);font-weight:500;margin:0 6px}
.kf .h{color:var(--amber);margin-left:6px}
#crosshair{position:absolute;left:50%;top:50%;width:0;height:0}
#crosshair i{position:absolute;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.45);opacity:.92}
#crosshair .v{width:2px;height:9px;left:-1px}
#crosshair .h{width:9px;height:2px;top:-1px}
#crosshair .dot{width:2px;height:2px;left:-1px;top:-1px;border-radius:1px}
#hitmarker{position:absolute;left:50%;top:50%;width:0;height:0;opacity:0}
#hitmarker i{position:absolute;width:9px;height:2px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.4);left:-4.5px;top:-1px}
#hitmarker.kill i{background:#ff5a3c}
#dmg{position:absolute;inset:0}
.dmgi{position:absolute;left:50%;top:50%;width:300px;height:300px;margin:-150px 0 0 -150px;pointer-events:none}
.dmgi::before{content:"";position:absolute;left:50%;top:0;width:120px;height:26px;margin-left:-60px;border-radius:60px 60px 0 0/26px 26px 0 0;background:radial-gradient(ellipse at 50% 100%,rgba(230,40,20,0) 40%,rgba(230,40,20,.85) 72%,rgba(230,40,20,0) 100%)}
#ammo{position:absolute;right:calc(env(safe-area-inset-right,0px) + 26px);bottom:calc(env(safe-area-inset-bottom,0px) + 22px);text-align:right}
#weapon-name{font-size:16px;font-weight:600;color:var(--dust)}
#ammo .count{font-family:var(--display);font-weight:900;line-height:.9}
#ammo-mag{font-size:64px}
#ammo-mag.low{color:var(--amber)}
#ammo-mag.empty{color:#ff6a4d}
#ammo-res{font-size:28px;color:var(--dust);margin-left:6px}
#grenades{display:flex;gap:5px;justify-content:flex-end;margin-top:6px}
#grenades i{width:10px;height:13px;border-radius:5px 5px 4px 4px;background:var(--olive);box-shadow:0 0 0 1.5px rgba(245,239,227,.7)}
#health{position:absolute;left:calc(env(safe-area-inset-left,0px) + 24px);bottom:calc(env(safe-area-inset-bottom,0px) + 28px);width:240px}
#health .lbl{display:flex;justify-content:space-between;font-size:15px;font-weight:600;color:var(--dust);margin-bottom:6px}
#health .track{height:8px;background:rgba(20,17,12,.55);box-shadow:0 0 0 1px rgba(245,239,227,.25)}
#health-fill{height:100%;width:100%;background:var(--paper);transition:width .12s}
#health-fill.low{background:#ff6a4d}
#prompt{position:absolute;left:50%;top:62%;transform:translateX(-50%);font-size:18px;font-weight:600;color:var(--dust);background:rgba(20,17,12,.45);padding:4px 12px;border-radius:2px}
#banner{position:absolute;left:0;right:0;top:24%;text-align:center;opacity:0;transition:opacity .4s}
#banner-title{font-family:var(--display);font-weight:900;font-size:clamp(48px,8vw,96px);line-height:.9;color:var(--dust)}
#banner-sub{font-size:20px;font-weight:600;color:var(--sand);margin-top:8px}
#popups{position:absolute;left:50%;top:56%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:2px}
.pop{font-family:var(--display);font-weight:700;font-size:24px;color:var(--amber);transition:opacity .6s,transform .6s}
.pop.hs{color:#fff}
#toast{position:absolute;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 120px);transform:translateX(-50%);background:rgba(20,17,12,.8);border:1px solid var(--panel-edge);padding:8px 14px;font-size:15px;max-width:min(560px,90vw);text-align:center;opacity:0;transition:opacity .4s}
#vignette{position:fixed;inset:0;pointer-events:none;z-index:9;background:radial-gradient(ellipse at center,rgba(0,0,0,0) 55%,rgba(20,10,4,.38) 100%)}
#hurt{position:fixed;inset:0;pointer-events:none;z-index:9;opacity:0;background:radial-gradient(ellipse at center,rgba(160,10,0,0) 35%,rgba(150,8,0,.75) 100%)}
#flashbang{position:fixed;inset:0;pointer-events:none;z-index:9;opacity:0;background:#fff4dc}
.mp{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--panel-edge);padding-top:18px}
.mp-row{display:flex;align-items:center;gap:12px}
.mp-row label{font-size:15px;color:var(--muted);flex:none}
.mp-row input{flex:1;min-width:0;background:rgba(0,0,0,.35);color:var(--text);border:1px solid var(--panel-edge);border-radius:3px;padding:8px 10px;font:inherit;font-size:16px}
.secondary:disabled{opacity:.5;cursor:not-allowed}
#mp-status{font-size:14px;color:var(--muted);line-height:1.4}
#board{position:absolute;top:calc(env(safe-area-inset-top,0px) + 250px);left:calc(env(safe-area-inset-left,0px) + 18px);width:196px;margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:3px;font-size:15px}
#board li{display:grid;grid-template-columns:1fr 26px 26px;gap:6px;background:rgba(20,17,12,.5);padding:3px 8px;border-radius:2px}
#board li.me{box-shadow:inset 3px 0 0 var(--amber)}
#board li.head{background:none;color:var(--muted);font-size:13px;padding-top:0;padding-bottom:0}
#board b{font-weight:600;text-align:right}
#board span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pause-note{margin:0 0 6px;font-size:15px;color:var(--sand);line-height:1.4}
@media (max-width:700px){
  #board{top:calc(env(safe-area-inset-top,0px) + 196px);width:150px;font-size:13px}
  #minimap{width:120px;height:120px}
  #wave-info{top:calc(env(safe-area-inset-top,0px) + 146px);width:120px}
  #ammo-mag{font-size:46px}
  #health{width:160px}
  .panel{padding-left:24px;padding-right:24px}
}
@media (prefers-reduced-motion: reduce){ .primary,.pop,#banner{transition:none} }