/* PRIMER. The grid's palette, but colder and calmer than INTRUDER's: this is a place you read in. The one loud thing is
   the question, because the question is what you are meant to be looking at. */
:root{--cyan:#5ad8ff;--tint-rgb:90,216,255;--hot:#ff5a6e;--amber:#ffc45a;--good:#6bf0a0;--bg:#04070c;--ink:#d6efff;--faint:#47788a;
  --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}
.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}

/* the question. The biggest thing on the screen by a long way, and it has to be readable at a glance from across a room
   — this is the one piece of the interface the whole game is arranged around. */
#ask{position:absolute;left:50%;top:11%;transform:translateX(-50%);max-width:86%;text-align:center;
  font-size:38px;letter-spacing:.12em;color:#fff;white-space:nowrap;
  text-shadow:0 0 20px rgba(var(--tint-rgb),.75),0 0 60px rgba(var(--tint-rgb),.35);opacity:0;transition:opacity .18s}
#ask.on{opacity:1}
#ask.small{font-size:22px;letter-spacing:.1em;white-space:normal;line-height:1.5}

#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-room{color:var(--cyan);text-shadow:0 0 12px rgba(var(--tint-rgb),.7)}
.dim{margin-left:14px;color:#356470;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}

/* right or wrong, said once, large, in the middle — the fastest channel there is */
#mark{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);font-size:64px;letter-spacing:.2em;opacity:0;pointer-events:none}
#mark.go{animation:mark .7s ease-out}
#mark.right{color:var(--good);text-shadow:0 0 30px var(--good)}
#mark.wrong{color:var(--hot);text-shadow:0 0 30px var(--hot)}
@keyframes mark{0%{opacity:0;transform:translate(-50%,-50%) scale(.6)}18%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}70%{opacity:.9}100%{opacity:0;transform:translate(-50%,-50%) scale(1)}}

#toast{position:absolute;left:50%;top:52%;transform:translateX(-50%);font-size:22px;letter-spacing:.22em;color:#fff;opacity:0;white-space:nowrap;text-shadow:0 0 22px var(--cyan)}
#toast.pop{animation:toast 1.8s ease-out}#toast.bad{color:#ffd7dc;text-shadow:0 0 22px var(--hot),0 0 50px var(--hot)}
@keyframes toast{0%{opacity:0}12%{opacity:1}72%{opacity:1}100%{opacity:0}}
#hint{position:absolute;left:50%;top:62%;transform:translateX(-50%);font-size:13px;letter-spacing:.3em;color:var(--cyan);text-shadow:0 0 16px var(--cyan)}
#flash{position:absolute;inset:0;opacity:0;pointer-events:none;mix-blend-mode:screen}

.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(5,16,24,.88),rgba(2,4,7,.97));backdrop-filter:blur(3px);cursor:default}
.wrap{text-align:center;max-width:560px;padding:30px;margin:auto;animation:fade .35s ease}
.wrap.wide{max-width:960px;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:.3em;font-weight:400;margin-bottom:14px;text-indent:.3em;text-shadow:0 0 24px rgba(var(--tint-rgb),.6)}
h3{font-size:11px;letter-spacing:.24em;color:var(--cyan);margin:16px 0 6px}
.tag{font-size:11.5px;letter-spacing:.18em;color:#568d9e;margin-bottom:24px}
.foot{margin-top:24px;font-size:10px;letter-spacing:.16em;color:#3a6b78}.foot span,.foot b{color:var(--cyan);font-weight:400}
p{font-size:12px;line-height:1.85;color:#9dcede;letter-spacing:.03em;margin-bottom:8px}p b{font-weight:400;color:var(--ink)}
.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}
.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}

/* how much of each subject is in: a bar per subject, in that subject's colour */
.progress{display:flex;flex-direction:column;gap:9px;margin-top:26px;max-width:420px;margin-left:auto;margin-right:auto}
.progress .sub{display:flex;align-items:center;gap:12px;font-size:10.5px;letter-spacing:.22em;color:var(--faint)}
.progress .sub b{font-weight:400;width:74px;text-align:right}
.progress .sub .bar{flex:1;height:5px;background:rgba(255,255,255,.07);position:relative}
.progress .sub .bar i{position:absolute;inset:0 auto 0 0;display:block;transition:width .4s}
.progress .sub .pc{width:34px;text-align:left;color:#7fb4c4}

/* what you keep getting wrong, on the way out — the most useful thing on the screen */
.worst{display:flex;flex-direction:column;gap:6px;margin:18px auto 0;max-width:420px;text-align:left}
.worst .row{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.1em;color:#8fc4d2;border-bottom:1px dotted rgba(var(--tint-rgb),.18);padding-bottom:5px}
.worst .row b{font-weight:400;color:var(--hot)}
.worst .none{font-size:11px;color:var(--good);letter-spacing:.14em}
#done-more-label{font-size:10px;letter-spacing:.3em;color:#3a6b78;margin:22px 0 2px}
#done-more{margin-top:6px}