:root{
  --cyan:#2df3ff; --magenta:#ff2d95; --amber:#ffb43a; --violet:#9a5bff;
  --ink:rgba(223,244,255,.92); --dim:rgba(160,205,225,.55);
  --mono:"Share Tech Mono","JetBrains Mono","SF Mono",Menlo,Consolas,"Noto Sans Mono",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden;background:#04050c}
#app{position:fixed;inset:0}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:crosshair}

#hud{position:absolute;inset:0;pointer-events:none;font-family:var(--mono);color:var(--ink);
  text-shadow:0 0 6px rgba(45,243,255,.45),0 0 1px rgba(45,243,255,.8);z-index:5}
#hud.hidden{display:none}
.k{display:inline-block;border:1px solid rgba(45,243,255,.35);border-radius:3px;padding:0 4px;
  font-size:.78em;color:var(--cyan);background:rgba(10,20,34,.4)}

/* ---------- compass ---------- */
#compass{position:absolute;top:14px;left:50%;transform:translateX(-50%);width:min(420px,64vw);height:26px;
  overflow:hidden;border-bottom:1px solid rgba(45,243,255,.25);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent)}
#compass-inner{position:absolute;top:0;left:50%;height:100%;white-space:nowrap;will-change:transform}
#compass-inner .tick{position:absolute;top:4px;width:1px;height:7px;background:rgba(160,205,225,.5)}
#compass-inner .card{position:absolute;top:1px;transform:translateX(-50%);font-size:11px;letter-spacing:.18em;color:var(--cyan)}
#compass-inner .card.dim{color:var(--dim)}
#compass-inner .poi{position:absolute;top:15px;transform:translateX(-50%) rotate(45deg);width:6px;height:6px;
  border:1px solid var(--magenta);box-shadow:0 0 6px rgba(255,45,149,.7)}
#compass-inner .poi.found{background:var(--magenta)}
#compass-needle{position:absolute;left:50%;top:19px;width:8px;height:8px;transform:translateX(-50%) rotate(45deg);
  border:1px solid var(--cyan);background:rgba(45,243,255,.25);box-shadow:0 0 8px rgba(45,243,255,.8)}

/* ---------- mode indicator ---------- */
#mode-ind{position:absolute;left:18px;bottom:16px;line-height:1.35}
#mode-name{font-size:15px;letter-spacing:.3em;color:var(--ink)}
#mode-name::before{content:"▮ ";color:var(--magenta);text-shadow:0 0 8px var(--magenta)}
#mode-sub{font-size:10px;letter-spacing:.24em;color:var(--dim)}

#vig-count{position:absolute;right:18px;bottom:16px;font-size:10px;letter-spacing:.22em;color:var(--dim);text-align:right}
#vig-count #vig-found{color:var(--magenta);font-size:13px}

/* ---------- prompt / caption ---------- */
#prompt{position:absolute;left:50%;bottom:22%;transform:translateX(-50%);font-size:13px;letter-spacing:.2em;
  color:var(--ink);opacity:0;transition:opacity .25s;text-align:center}
#prompt.on{opacity:1}
#prompt .k{margin-right:.5em}
#vig-caption{position:absolute;left:50%;bottom:12%;transform:translateX(-50%);max-width:70vw;
  font-size:12px;letter-spacing:.14em;color:var(--dim);opacity:0;transition:opacity .5s;text-align:center;font-style:italic}
#vig-caption.on{opacity:1}

/* ---------- hint ---------- */
#hint{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);font-size:10px;letter-spacing:.12em;
  color:var(--dim);white-space:nowrap;transition:opacity .6s}
#hint.faded{opacity:0}
body.photo #hint,body.photo #mode-ind,body.photo #vig-count,body.photo #compass,body.photo #reticle,body.photo #prompt{display:none}

/* ---------- reticle ---------- */
#reticle{position:absolute;left:50%;top:50%;width:4px;height:4px;transform:translate(-50%,-50%);
  border-radius:50%;background:rgba(223,244,255,.7);box-shadow:0 0 6px rgba(45,243,255,.8);opacity:.55}

/* ---------- photo mode ---------- */
#photo-frame{position:absolute;inset:0;display:none}
body.photo #photo-frame{display:block}
.pc{position:absolute;width:34px;height:34px;border:2px solid rgba(45,243,255,.85);filter:drop-shadow(0 0 6px rgba(45,243,255,.7))}
.pc.tl{top:7vh;left:6vw;border-right:0;border-bottom:0}
.pc.tr{top:7vh;right:6vw;border-left:0;border-bottom:0}
.pc.bl{bottom:7vh;left:6vw;border-right:0;border-top:0}
.pc.br{bottom:7vh;right:6vw;border-left:0;border-top:0}
#photo-tag{position:absolute;top:calc(7vh + 8px);left:50%;transform:translateX(-50%);font-size:11px;letter-spacing:.3em;color:var(--cyan)}
#photo-hint{position:absolute;bottom:calc(7vh + 8px);left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:.14em;color:var(--dim);white-space:nowrap}
#shutter{position:absolute;inset:0;background:#eaf8ff;opacity:0;pointer-events:none}
#shutter.flash{animation:shut .45s ease-out}
@keyframes shut{0%{opacity:0}12%{opacity:.95}100%{opacity:0}}

/* ---------- letterbox ---------- */
#letterbox .lb{position:absolute;left:0;right:0;height:0;background:#010207;transition:height .8s cubic-bezier(.6,0,.3,1)}
#letterbox .lb.top{top:0}#letterbox .lb.bot{bottom:0}
body.cine #letterbox .lb{height:9vh}

/* ---------- resume ---------- */
#resume-hint{position:absolute;left:50%;top:58%;transform:translateX(-50%);font-size:11px;letter-spacing:.3em;
  color:var(--dim);opacity:0;transition:opacity .3s}
#resume-hint.on{opacity:.9}

/* ---------- intro ---------- */
#intro{position:absolute;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 50% 65%,rgba(9,14,30,.55),rgba(3,4,10,.92) 75%);
  font-family:var(--mono);color:var(--ink);cursor:pointer;transition:opacity .7s;backdrop-filter:blur(2px)}
#intro.gone{opacity:0;pointer-events:none}
#intro-card{text-align:center;max-width:min(560px,88vw);padding:28px}
#intro-jp{font-size:15px;letter-spacing:1.2em;color:var(--magenta);text-shadow:0 0 12px rgba(255,45,149,.8);margin-bottom:10px;padding-left:1.2em}
#intro h1{font-size:clamp(30px,6vw,52px);font-weight:400;letter-spacing:.28em;color:#f2fbff;
  text-shadow:0 0 18px rgba(45,243,255,.9),0 0 60px rgba(45,243,255,.4)}
#intro h1 span{display:block;font-size:.34em;letter-spacing:.62em;color:var(--cyan);margin-top:4px;padding-left:.62em}
#intro .sub{margin:14px 0 20px;font-size:12px;letter-spacing:.12em;color:var(--dim)}
.ctl-grid{display:grid;grid-template-columns:auto 1fr;gap:5px 18px;text-align:left;font-size:11px;
  letter-spacing:.1em;color:rgba(190,220,235,.8);margin:0 auto 22px;width:fit-content}
.ctl-grid>div:nth-child(even){color:var(--dim)}
#enter{display:inline-block;border:1px solid rgba(45,243,255,.5);padding:10px 34px;font-size:14px;letter-spacing:.4em;
  padding-left:calc(34px + .4em);color:var(--cyan);background:rgba(10,26,40,.35);
  text-shadow:0 0 10px rgba(45,243,255,.8);animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 rgba(45,243,255,0)}50%{box-shadow:0 0 22px rgba(45,243,255,.35)}}
#intro .fine{margin-top:16px;font-size:9px;letter-spacing:.18em;color:rgba(140,170,190,.45)}

@media (max-width:720px){
  #hint{display:none}
  .ctl-grid{font-size:10px;gap:4px 10px}
  #compass{width:52vw}
}