:root{--cyan:#38e8ff;--tint-rgb:56,232,255;--hot:#ff2e88;--amber:#ffb020;--good:#7dffb0;--bg:#03060a;--ink:#cbf6ff;--faint:#3f7c8c;
  --mono:"SF Mono",ui-monospace,"Cascadia Mono","JetBrains Mono",Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--mono)}
body{-webkit-font-smoothing:antialiased;user-select:none;cursor:crosshair}
canvas#gl{position:fixed;inset:0;width:100%;height:100%;display:block}
#derezz{position:fixed;inset:0;display:grid;grid-template-columns:repeat(24,1fr);grid-template-rows:repeat(14,1fr);pointer-events:none;z-index:5}
#derezz i{display:block;background:transparent;border:0 solid var(--cyan);animation:derezz .5s steps(1,end) forwards;opacity:0}
@keyframes derezz{0%{opacity:0}1%{opacity:1;background:var(--cyan);box-shadow:0 0 18px var(--cyan);border-width:1px}30%{background:#03060a;box-shadow:none;border-width:1px;border-color:rgba(var(--tint-rgb),.35)}100%{background:#03060a;border-width:1px;border-color:rgba(var(--tint-rgb),.12)}}
#vignette{position:fixed;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at center,rgba(255,46,136,0) 45%,rgba(255,46,136,.55) 100%);transition:opacity .08s}
.hidden{display:none !important}
#hud{position:fixed;inset:0;pointer-events:none}
#crosshair{position:absolute;left:50%;top:50%;width:26px;height:26px;transform:translate(-50%,-50%)}
#crosshair i{position:absolute;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
#crosshair i:nth-child(1){left:12px;top:0;width:2px;height:7px}#crosshair i:nth-child(2){left:12px;bottom:0;width:2px;height:7px}
#crosshair i:nth-child(3){top:12px;left:0;width:7px;height:2px}#crosshair i:nth-child(4){top:12px;right:0;width:7px;height:2px}
#crosshair.hit i{background:#fff;box-shadow:0 0 12px #fff}
#topbar{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:center;padding:13px 22px;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
#t-wave{color:var(--cyan);text-shadow:0 0 12px rgba(var(--tint-rgb),.7)}.dim{margin-left:14px;color:#2f5c68;letter-spacing:.08em}
.tb-right{display:flex;gap:22px}.stat i{font-style:normal;color:var(--faint);font-size:10px;letter-spacing:.24em}.stat b{font-weight:400;margin-left:6px;font-size:14px}
#bottom{position:absolute;left:22px;right:22px;bottom:18px;display:flex;align-items:flex-end;gap:32px}
.hpwrap{width:260px}.plabel{font-size:9.5px;letter-spacing:.28em;color:var(--faint);margin-bottom:6px}.plabel span{float:right;color:var(--ink);letter-spacing:.06em}
.bar{height:6px;background:rgba(var(--tint-rgb),.13);position:relative;overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;width:100%;background:var(--good);box-shadow:0 0 12px var(--good);transition:width .12s}
.bar i.low{background:var(--hot);box-shadow:0 0 12px var(--hot)}
.weapons{display:flex;gap:8px}
.wp{font-size:11px;letter-spacing:.16em;padding:7px 12px;border:1px solid rgba(var(--tint-rgb),.2);color:var(--faint)}
.wp.on{color:var(--ink);border-color:var(--cyan);box-shadow:0 0 14px rgba(var(--tint-rgb),.3)}
.wp .hk{color:var(--faint);margin-right:8px;font-size:9px}
.pips i{display:inline-block;width:8px;height:8px;margin-left:4px;background:var(--amber);box-shadow:0 0 8px var(--amber)}.pips i.off{background:transparent;border:1px solid var(--faint);box-shadow:none}
.enemies{margin-left:auto;font-size:11px;letter-spacing:.16em;color:var(--faint)}.enemies span{color:var(--ink);font-size:14px}
#toast{position:absolute;left:50%;top:22%;transform:translateX(-50%);font-size:30px;letter-spacing:.3em;color:#fff;opacity:0;pointer-events:none;white-space:nowrap;text-shadow:0 0 26px var(--cyan),0 0 55px var(--cyan)}
#combo{position:absolute;left:50%;top:31%;transform:translateX(-50%);font-size:20px;letter-spacing:.24em;color:var(--amber);text-shadow:0 0 18px var(--amber);white-space:nowrap;pointer-events:none}
#combo.pop{animation:combo .35s ease-out}
@keyframes combo{0%{transform:translateX(-50%) scale(1.5)}100%{transform:translateX(-50%) scale(1)}}
#dash{position:relative;overflow:hidden}#dash .cd{position:absolute;left:0;bottom:0;height:2px;width:calc(100% * var(--cd,1));background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
#toast.pop{animation:toast 1.4s ease-out}#toast.bad{text-shadow:0 0 26px var(--hot),0 0 55px var(--hot)}
@keyframes toast{0%{opacity:0;transform:translateX(-50%) scale(.86)}15%{opacity:1;transform:translateX(-50%) scale(1)}70%{opacity:1}100%{opacity:0}}
#hint{position:absolute;left:50%;top:60%;transform:translateX(-50%);font-size:13px;letter-spacing:.3em;color:var(--cyan);text-shadow:0 0 16px var(--cyan)}
.screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;overflow-y:auto;z-index:10;background:radial-gradient(ellipse at 50% 45%,rgba(4,14,20,.86),rgba(2,4,7,.97));backdrop-filter:blur(3px);cursor:default}
.wrap{text-align:center;max-width:540px;padding:30px;margin:auto;animation:fade .35s ease}   /* auto margins: centred when it fits, scrolls from its top when it does not */.wrap.wide{max-width:940px;width:92%}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.logo{font-size:70px;letter-spacing:.32em;font-weight:400;color:#fff;text-indent:.32em;text-shadow:0 0 8px var(--cyan),0 0 34px var(--cyan),0 0 80px rgba(var(--tint-rgb),.6)}
h2{font-size:23px;letter-spacing:.32em;font-weight:400;margin-bottom:14px;text-indent:.32em;text-shadow:0 0 24px rgba(var(--tint-rgb),.6)}h2.bad{color:var(--hot);text-shadow:0 0 26px var(--hot)}
h3{font-size:11px;letter-spacing:.24em;color:var(--cyan);margin:16px 0 6px}
.tag{font-size:11.5px;letter-spacing:.18em;color:#4d8494;margin-bottom:24px}.foot{margin-top:24px;font-size:10px;letter-spacing:.16em;color:#33636f}.foot span{color:var(--cyan)}
p{font-size:12px;line-height:1.85;color:#8fc4d2;letter-spacing:.03em;margin-bottom:8px}p b{font-weight:400;color:var(--ink)}
.c-sentry{color:#ff6b8a}.c-seeker{color:#c49cff}.c-tank{color:#ffb020}.c-warden{color:#ff2e88}
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;text-align:left;margin-bottom:16px}
.menu{display:flex;flex-direction:column;gap:9px;align-items:center;margin-top:20px}
.modes{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin-top:16px}
.modes::before{content:'DIFFICULTY';flex-basis:100%;font-size:10px;letter-spacing:.2em;color:#33636f;text-align:center;margin-bottom:2px}
.squads::before{content:'SQUAD'}
/* the roster: one chip per body, in that slot's colour, dim when it is down */
.roster{position:absolute;top:52px;right:18px;display:flex;flex-direction:column;gap:5px;align-items:flex-end;pointer-events:none}
.roster .who{display:flex;align-items:center;gap:7px;font-size:10px;letter-spacing:.16em;color:var(--faint)}
.roster .who b{font-weight:600;min-width:52px;text-align:right}
.roster .who .bar{width:62px;height:3px;background:rgba(255,255,255,.10)}
.roster .who .bar i{display:block;height:100%;transition:width .12s linear}
.roster .who.down{animation:blip 1s steps(2,end) infinite}
.roster .who.down b::after{content:' DOWN';opacity:.85}
.roster .who.gone{opacity:.3}
.roster .who.gone b::after{content:' GONE'}
@keyframes blip{50%{opacity:.45}}
.screen button.mode{min-width:0;padding:8px 14px;font-size:10.5px;color:var(--faint);border-color:rgba(var(--tint-rgb),.18)}
.screen button.mode.on{color:#fff;border-color:var(--cyan);box-shadow:0 0 14px rgba(var(--tint-rgb),.3)}
.admin{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin-top:16px;padding-top:12px;border-top:1px dashed rgba(255,176,32,.25)}
.admin::before{content:'ADMIN — ANY LAYOUT, ANY WAVE';flex-basis:100%;font-size:10px;letter-spacing:.2em;color:var(--amber);text-align:center;margin-bottom:2px}
.admin .row{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
.admin label{font-size:10px;letter-spacing:.2em;color:var(--faint);display:flex;align-items:center;gap:8px}
.admin input{pointer-events:auto;width:64px;font-family:var(--mono);font-size:12px;background:transparent;color:var(--ink);border:1px solid rgba(var(--tint-rgb),.32);padding:6px 8px;outline:none}
#admin-hint{position:absolute;left:50%;bottom:64px;transform:translateX(-50%);font-size:9.5px;letter-spacing:.18em;color:var(--amber);opacity:.8;white-space:nowrap}
.sectors{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}
.sectors::before{content:'START AT';flex-basis:100%;font-size:10px;letter-spacing:.2em;color:#33636f;text-align:center;margin-bottom:2px}
#screen-title .wrap{max-width:820px}#screen-title .menu,#screen-title .tag{margin-left:auto;margin-right:auto;max-width:540px}
.screen button.sector{min-width:0;width:118px;padding:0;display:flex;flex-direction:column;font-size:9.5px;letter-spacing:.12em;text-indent:0;overflow:hidden}
.screen button.sector img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:rgba(var(--tint-rgb),.06);opacity:.72;transition:opacity .14s}
.screen button.sector:hover img,.screen button.sector:focus img{opacity:1}
.screen button.sector span{display:block;padding:5px 4px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.screen button.sector span b{font-weight:400;color:var(--faint);margin-right:6px}
.screen button{pointer-events:auto;font-family:var(--mono);font-size:12px;letter-spacing:.24em;background:transparent;color:var(--ink);border:1px solid rgba(var(--tint-rgb),.32);padding:11px 40px;min-width:280px;cursor:pointer;transition:.14s;text-indent:.24em}
.screen button:hover,.screen button:focus{background:rgba(var(--tint-rgb),.11);border-color:var(--cyan);color:#fff;box-shadow:0 0 24px rgba(var(--tint-rgb),.34);outline:none}

/* the lobby: a room code big enough to read off a screenshot, and who is in so far */
.coderow{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px 0 6px}
.codelabel{font-size:10px;letter-spacing:.24em;color:#33636f}
.coderow b{font-size:38px;letter-spacing:.28em;color:var(--cyan);text-shadow:0 0 22px rgba(var(--tint-rgb),.5);font-weight:600}
.lobbyroster{display:flex;flex-direction:column;gap:6px;align-items:center;margin:14px 0 4px;min-height:26px}
.lobbyroster .who{display:flex;align-items:center;gap:9px;font-size:11px;letter-spacing:.18em;color:var(--faint)}
.lobbyroster .who i{width:8px;height:8px;border-radius:50%;box-shadow:0 0 9px currentColor;background:currentColor;font-style:normal}
.lobbyroster .who.host b::after{content:' \00b7 HOST';color:#33636f}
.lobbyroster .who.you b{color:#fff}
.lobbyroster .empty{opacity:.4}
.dimmer{opacity:.6;font-size:10.5px}