:root{
  --navy:#08152B; --cyan:#4FE3FF; --amber:#FFB44A; --ink:#EAF4FF; --dim:#A9C9EE;
  --line:rgba(79,227,255,.30);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;overflow:hidden;background:#000;color:var(--ink);
  font-family:Heebo,-apple-system,"Segoe UI",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overscroll-behavior:none;
  -webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
button{font-family:inherit}

#stage{position:absolute;inset:0;overflow:hidden;background:#000}
#stage.stage-mode{background:radial-gradient(120% 80% at 50% 10%,#16305A 0%,#050C18 70%)}
.camera-feed{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
#stage canvas{position:absolute;inset:0;z-index:1}
#ele{position:absolute;width:2px;height:2px;opacity:.001;pointer-events:none;left:0;top:0}

/* ------------------------------------------------------------------ HUD */
.hud{position:absolute;inset:0;z-index:5;pointer-events:none;display:flex;
  flex-direction:column;justify-content:space-between;
  padding:calc(14px + env(safe-area-inset-top)) 16px calc(18px + env(safe-area-inset-bottom))}
.hud > *{pointer-events:auto}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand img{height:22px;opacity:.92}
.tools{display:flex;gap:8px}
.iconbtn{width:38px;height:38px;border-radius:50%;flex:none;background:rgba(8,21,43,.55);
  border:1px solid rgba(255,255,255,.2);color:#fff;display:grid;place-items:center;
  cursor:pointer;font-size:1rem;backdrop-filter:blur(8px);text-decoration:none}
.iconbtn:active{background:rgba(79,227,255,.3)}

/* the fact card. big type, because this is the whole point of the piece. */
/* הכתובית יושבת בשליש התחתון ולא במרכז: במרכז היא נחתה ישר על גוף הפיל. */
.caption{align-self:center;text-align:center;max-width:min(560px,92vw);margin-top:auto;
  margin-bottom:14px;
  opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease;
  text-shadow:0 2px 22px rgba(0,0,0,.92),0 0 60px rgba(0,0,0,.7)}
.caption.on{opacity:1;transform:none}
.caption b{display:block;font-size:clamp(1.5rem,6.4vw,2.5rem);font-weight:900;
  line-height:1.2;letter-spacing:-.02em}
.caption b em{font-style:normal;color:var(--amber)}
.caption span{display:block;margin-top:8px;font-size:clamp(.9rem,3.4vw,1.05rem);
  font-weight:700;color:var(--dim)}

.bottom{display:flex;align-items:center;justify-content:center;gap:10px}
.hint{background:rgba(8,21,43,.8);border:1px solid var(--line);border-radius:999px;
  padding:12px 22px;font-size:.95rem;font-weight:800;backdrop-filter:blur(8px);
  transition:opacity .35s}
.hint.gone{opacity:0;pointer-events:none}
.ghost{background:rgba(8,21,43,.72);border:1px solid var(--line);color:var(--ink);
  border-radius:999px;padding:12px 24px;font-weight:800;font-size:.95rem;cursor:pointer;
  backdrop-filter:blur(8px);text-decoration:none}

/* --------------------------------------------------------------- opening */
.veil{position:absolute;inset:0;z-index:30;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:18px;padding:32px 26px;text-align:center;
  background:radial-gradient(130% 76% at 50% 0%,#1B3A2A 0%,#08152B 58%,#050B16 100%);
  transition:opacity .5s ease}
.veil.gone{opacity:0;pointer-events:none}
.veil .kicker{font-size:.86rem;font-weight:800;letter-spacing:.18em;color:var(--cyan)}
.veil h1{margin:0;font-size:clamp(2rem,9vw,3.2rem);font-weight:900;line-height:1.05;
  letter-spacing:-.035em}
.veil h1 em{font-style:normal;color:var(--amber)}
.veil p{margin:0;font-size:1rem;line-height:1.65;color:var(--dim);max-width:400px}
.veil .err{color:#FFB4B4;font-size:.9rem;line-height:1.55;max-width:350px}
.cta{background:linear-gradient(140deg,var(--amber) 0%,#F08A2E 100%);color:#241100;
  border:none;border-radius:999px;padding:16px 42px;font-weight:900;font-size:1.1rem;
  cursor:pointer;box-shadow:0 12px 34px rgba(255,180,74,.32)}
.cta[disabled]{opacity:.55}
.veil .fine{font-size:.78rem;color:#6E92C0;max-width:360px;line-height:1.5}

/* ---------------------------------------------------------- range control */
.rangebar{display:flex;gap:9px;justify-content:center;margin-top:12px}
.rangebtn{background:rgba(8,21,43,.78);border:1px solid var(--line);color:var(--ink);
  border-radius:999px;padding:11px 24px;font-family:inherit;font-weight:800;font-size:.92rem;
  cursor:pointer;backdrop-filter:blur(8px);transition:background .15s,border-color .15s}
.rangebtn:active{background:rgba(79,227,255,.22);border-color:var(--cyan)}