:root{
  color-scheme: dark;
  --panel:#161b22; --edge:#30363d; --text:#eaf0f6; --muted:#9aa7b4; --gold:#ffd166;
  --safe-b: env(safe-area-inset-bottom);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}
html,body{height:100%; margin:0; overflow:hidden}
body{
  background:#87bde8; color:var(--text); user-select:none;
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif; touch-action:none;
}
#view{position:absolute; inset:0; width:100%; height:100%; display:block}

.btn{
  appearance:none; border:2px solid var(--edge); background:var(--panel); color:var(--text);
  font:inherit; font-size:15px; padding:12px 18px; border-radius:12px; cursor:pointer;
}
.btn.big{font-size:19px; padding:14px 24px; border-color:var(--gold); color:var(--gold)}
.btn.ghost{background:transparent; color:var(--muted)}
.pill{
  display:inline-flex; align-items:center; gap:5px; padding:6px 11px; border-radius:999px;
  background:#0b1016cc; border:1px solid var(--edge); font-size:13px;
}
.pill.link{cursor:pointer; color:var(--text)}

/* ---------- panels ---------- */
.panel{position:absolute; inset:0; display:none; background:#0b1016ee; z-index:50; overflow-y:auto}
.panel.active{display:block}
.wrap{
  min-height:100%; display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:14px; padding:34px 20px calc(30px + var(--safe-b)); text-align:center; max-width:540px; margin:0 auto;
}
h1{font-size:clamp(30px,9vw,48px); margin:0; color:var(--gold)}
h2{font-size:clamp(22px,6vw,30px); margin:0}
h3{font-size:14px; margin:12px 0 4px; color:var(--gold)}
.lede{font-size:16px; line-height:1.6; margin:0; white-space:pre-line}
.how{margin-top:10px; font-size:13.5px; line-height:1.65; color:var(--muted); text-align:left; width:100%}
.how b{color:var(--text)}
.how p{margin:0}

/* ---------- heads-up ---------- */
#hud{position:absolute; inset:0; pointer-events:none; z-index:10}
#hud button, #hud #stick{pointer-events:auto}
#crosshair{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  font-size:24px; color:#ffffffcc; text-shadow:0 0 4px #0008;
}
#topbar{
  position:absolute; top:calc(8px + env(safe-area-inset-top)); left:0; right:0;
  display:flex; gap:7px; justify-content:center; flex-wrap:wrap; padding:0 10px;
}
#hotbar{
  position:absolute; left:0; right:0; bottom:calc(6px + var(--safe-b));
  display:flex; gap:5px; justify-content:center; flex-wrap:wrap; padding:0 8px;
  pointer-events:auto;
}
.slot{
  width:42px; height:42px; border-radius:9px; border:2px solid #0b1016aa; cursor:pointer;
  display:flex; align-items:flex-end; justify-content:center; padding-bottom:2px;
  font-size:9px; color:#0b1016; font-weight:800; text-shadow:0 1px 0 #ffffff88;
}
.slot.on{border-color:var(--gold); box-shadow:0 0 0 2px var(--gold)}

#stick{
  position:absolute; left:calc(16px + env(safe-area-inset-left)); bottom:calc(66px + var(--safe-b));
  width:124px; height:124px; border-radius:50%;
  background:#0b101655; border:2px solid #ffffff44;
}
#stick-knob{
  position:absolute; left:50%; top:50%; width:52px; height:52px; margin:-26px 0 0 -26px;
  border-radius:50%; background:#ffffff77; border:2px solid #ffffffaa;
}
#actions{
  position:absolute; right:calc(14px + env(safe-area-inset-right)); bottom:calc(62px + var(--safe-b));
  display:grid; gap:10px; grid-template-columns:repeat(2, 66px);
}
.abtn{
  width:66px; height:60px; border-radius:16px; background:#0b1016cc; border:2px solid #ffffff55;
  color:#fff; font-size:22px; cursor:pointer;
}
.abtn.place{border-color:#8ee08e}
.abtn.break{border-color:#ffb08e}
#btn-jump{grid-column:1 / span 2; width:auto}

#toast{
  position:absolute; left:50%; top:calc(58px + env(safe-area-inset-top)); transform:translateX(-50%);
  background:#0b1016f2; border:2px solid var(--gold); padding:10px 15px; border-radius:12px;
  font-size:14px; max-width:86%; text-align:center; z-index:60;
}

/* ---------- choosing a mode ---------- */
.modes{display:flex; gap:10px; width:100%; flex-wrap:wrap}
.mode{
  flex:1 1 200px; text-align:left; padding:14px; border-radius:14px; cursor:pointer;
  background:var(--panel); border:2px solid var(--edge); color:var(--text); font:inherit;
}
.mode b{display:block; font-size:17px; margin-bottom:5px}
.mode span{display:block; font-size:12.5px; line-height:1.55; color:var(--muted); white-space:pre-line}
.mode.on{border-color:var(--gold)}
.mode.on b{color:var(--gold)}
.slot .n{
  position:absolute; right:3px; top:1px; font-size:10px; color:#0b1016;
  text-shadow:0 1px 0 #ffffffaa; font-weight:900;
}
.slot{position:relative}
.slot.empty{opacity:.35}
#hearts{color:#ff8a8a; letter-spacing:-1px}

/* how far through breaking a block you are */
#crack{
  position:absolute; left:50%; top:calc(50% + 26px); transform:translateX(-50%);
  width:96px; height:9px; border-radius:999px; background:#0b1016aa; border:1px solid #ffffff55;
  overflow:hidden;
}
#crack i{
  display:block; height:100%; width:calc(var(--k, 0) * 100%);
  background:linear-gradient(90deg,#ffd166,#ff9a5c); transition:width .05s linear;
}

/* ---------- crafting ---------- */
#recipes{display:flex; flex-direction:column; gap:8px; width:100%}
.recipe{
  display:flex; align-items:center; gap:11px; padding:11px 13px; border-radius:13px;
  background:var(--panel); border:2px solid var(--edge); text-align:left; width:100%;
  color:var(--text); font:inherit; cursor:pointer;
}
.recipe.can{border-color:var(--gold)}
.recipe:disabled{opacity:.45; cursor:default}
.recipe .ico{width:34px; height:34px; border-radius:8px; flex:0 0 auto; display:flex;
  align-items:center; justify-content:center; font-size:19px}
.recipe .txt{flex:1; min-width:0}
.recipe .txt b{display:block; font-size:14px}
.recipe .txt span{display:block; font-size:11.5px; color:var(--muted)}
.recipe .have{font-size:11px; color:var(--muted); white-space:nowrap}

#toolbar{
  position:absolute; left:0; right:0; bottom:calc(56px + var(--safe-b));
  display:flex; gap:6px; justify-content:center; pointer-events:auto;
}
.tool{
  display:flex; align-items:center; gap:5px; padding:5px 10px; border-radius:999px;
  background:#0b1016cc; border:2px solid var(--edge); color:#fff; font:inherit;
  font-size:11.5px; cursor:pointer;
}
.tool.on{border-color:var(--gold); color:var(--gold)}

.pill.warn{border-color:#ffb08e; color:#ffd9c7}