:root{
  --bg:#0b0e14;
  --panel:#141a24;
  --panel2:#1c2432;
  --line:#2a3547;
  --ink:#e6ecf5;
  --muted:#8a99b0;
  --accent:#ffc93c;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;}
body{display:flex;justify-content:center;padding:14px 12px 26px;}

.wrap{width:100%;max-width:960px;}

/* ---------- HUD ---------- */
.hud{display:flex;justify-content:space-between;align-items:center;gap:10px;
  margin-bottom:8px;min-height:44px;flex-wrap:wrap;}
.hud-left{display:flex;gap:8px;flex-wrap:wrap;}
.hud-right{display:flex;gap:6px;align-items:center;}

.pcard{display:flex;align-items:center;gap:8px;background:var(--panel);
  border:1px solid var(--line);border-left-width:4px;border-radius:8px;padding:5px 9px;min-width:118px;}
.pcard.dead{opacity:.38}
.pcard .nm{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);line-height:1.1}
.pcard .sc{font-size:19px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.pcard .ammo{display:flex;gap:3px;margin-top:4px}
.pcard .ammo i{width:7px;height:7px;border-radius:50%;background:#2a3547;display:block}
.pcard .ammo i.on{background:currentColor}
.pcard .pw{display:flex;gap:3px;margin-left:auto;flex-wrap:wrap;max-width:74px;justify-content:flex-end}
.pcard .pw span{font-size:9px;font-weight:800;letter-spacing:.04em;border-radius:4px;
  padding:2px 3px;background:#0006;line-height:1}

.pill{background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:7px 11px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.iconbtn{background:var(--panel);border:1px solid var(--line);color:var(--ink);
  border-radius:8px;padding:7px 11px;cursor:pointer;font-size:12px;font-weight:700;min-width:38px}
.iconbtn:hover{background:var(--panel2)}
.iconbtn.off{opacity:.4}

/* ---------- stage ---------- */
.stage{position:relative;width:100%;aspect-ratio:960/640;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#080a10;}
canvas{display:block;width:100%;height:100%;}

.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(8,10,16,.86);backdrop-filter:blur(3px);padding:16px;overflow:auto;}
.overlay.hidden{display:none}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;width:100%;max-width:560px;text-align:center;}
.panel.small{max-width:400px}

h1{margin:0;font-size:34px;letter-spacing:.14em;font-weight:800}
h1 span{color:var(--accent);margin-left:.14em}
h2{margin:0 0 12px;font-size:22px;letter-spacing:.06em}
.sub{margin:6px 0 18px;color:var(--muted);font-size:13px}

.row{display:flex;align-items:center;gap:12px;margin:10px 0;text-align:left}
.row>label{width:70px;flex:none;font-size:12px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--muted)}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{background:var(--panel2);border:1px solid var(--line);color:var(--ink);
  border-radius:8px;padding:7px 15px;cursor:pointer;font-weight:700;font-size:13px}
.seg button.on{background:var(--accent);border-color:var(--accent);color:#1a1400}

.checks{display:flex;flex-wrap:wrap;gap:6px 14px}
.chk{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;cursor:pointer}
.chk input{accent-color:var(--accent);cursor:pointer}

.big{margin-top:16px;width:100%;background:var(--accent);color:#1a1400;border:0;
  border-radius:10px;padding:13px;font-size:17px;font-weight:800;letter-spacing:.1em;cursor:pointer}
.big:hover{filter:brightness(1.08)}
.big.hidden,.ghostbtn.hidden{display:none}
.ghostbtn{margin-top:8px;width:100%;background:transparent;color:var(--muted);
  border:1px solid var(--line);border-radius:10px;padding:9px;font-size:13px;cursor:pointer}
.ghostbtn:hover{color:var(--ink)}

.controls{margin-top:18px;border-top:1px solid var(--line);padding-top:14px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;text-align:left}
.cbox{font-size:11px;color:var(--muted);line-height:1.6}
.cbox b{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:3px}
kbd{background:var(--panel2);border:1px solid var(--line);border-bottom-width:2px;
  border-radius:4px;padding:1px 5px;font:inherit;font-size:10px;color:var(--ink)}

.foot{margin:14px 0 0;font-size:11px;color:#66748a;line-height:1.5}
.hint{color:var(--muted);font-size:12px;margin:10px 0 0}

.scores{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.srow{display:flex;justify-content:space-between;align-items:center;background:var(--panel2);
  border-left:4px solid;border-radius:7px;padding:7px 11px;font-size:13px}
.srow b{font-size:17px;font-variant-numeric:tabular-nums}

/* ---------- legend ---------- */
.legend{margin-top:12px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:6px}
.lg{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);
  border-radius:8px;padding:6px 9px;font-size:11px;color:var(--muted)}
.lg i{width:16px;height:16px;border-radius:4px;flex:none;display:block}
.lg b{color:var(--ink);font-weight:700;margin-right:3px}

/* super-weapon accents */
.pcard .pw span.sup{background:#ffd76a22;box-shadow:inset 0 0 0 1px #ffd76a66}
.lg.super{border-color:#5a4a1f;background:linear-gradient(180deg,#1b1a14,#141a24)}
.lg.super b{color:#ffd76a}
.lg.super em{font-style:normal;opacity:.65;font-size:10px}

/* weapon help strip under the arena */
.lgtitle{grid-column:1/-1;font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin:4px 0 2px}
.lg img.crate{width:40px;height:40px;flex:none;image-rendering:auto;
  background:transparent;border-radius:6px}
.lg.super{gap:10px;padding:8px 10px;align-items:center}

/* rebindable controls */
.ctitle{margin:16px 0 6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);text-align:left}
.controls{margin-top:0;border-top:1px solid var(--line);padding-top:12px}
.cbox b .mousetag{font-style:normal;font-size:9px;letter-spacing:.06em;color:#1a1400;
  background:var(--accent);border-radius:3px;padding:1px 4px;margin-left:4px;vertical-align:1px}
.keybtn{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;
  background:var(--panel2);border:1px solid var(--line);border-radius:6px;
  padding:3px 6px;margin-bottom:3px;cursor:pointer;color:var(--muted);font:inherit;font-size:11px}
.keybtn:hover{border-color:var(--accent)}
.keybtn .ka{opacity:.75}
.keybtn kbd{pointer-events:none;min-width:56px;text-align:center}
.keybtn.armed{border-color:var(--accent);background:#2a2413}
.keybtn.armed kbd{color:var(--accent);border-color:var(--accent)}
#btnResetKeys{margin-top:10px}

/* collapsible controls, so the menu never outgrows the arena */
.ghostbtn.disclose{display:flex;align-items:center;justify-content:center;gap:6px}
.ghostbtn.disclose .chev{transition:transform .15s ease}
.ghostbtn.disclose.open .chev{transform:rotate(180deg)}
.fold.hidden{display:none}

/* Big view: the arena takes the whole screen and keeps its 3:2 shape.
   Both selectors carry the same rules — :fullscreen for the real thing, .isfull for the
   maximise fallback used where the Fullscreen API is refused. */
.wrap:fullscreen,
.wrap.isfull{max-width:none;display:flex;flex-direction:column;gap:6px;
  padding:8px 10px;background:var(--bg)}
.wrap:fullscreen{width:100vw;height:100vh}
.wrap.isfull{position:fixed;inset:0;z-index:60;width:100vw;height:100vh}
.wrap:fullscreen .stage,
.wrap.isfull .stage{flex:1 1 auto;min-height:0;height:100%;width:auto;
  aspect-ratio:960/640;margin:0 auto}
.wrap:fullscreen .legend,
.wrap.isfull .legend{display:none}
.wrap:fullscreen .hud,
.wrap.isfull .hud{margin-bottom:0}
.iconbtn.on{background:var(--accent);border-color:var(--accent);color:#1a1400}

/* the arena selector has six options, so it needs to wrap tidily */
.seg.wrapseg button{padding:6px 10px;font-size:12px}