:root{
  --black:#0c0c0e;
  --panel:#15161a;
  --copper:#b5702f;
  --copper-bright:#d98a3d;
  --green:#1f7d66;
  --green-bright:#2fa07f;
  --sand:#e8dcc0;
  --muted:#9a927f;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html,body{
  height:100%;
  background:var(--black);
  color:var(--sand);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  overflow:hidden;
  -webkit-user-select:none; user-select:none;
}

#game{ display:block; width:100vw; height:100vh; touch-action:none; }

.hidden{ display:none !important; }

/* ---- Overlays (title / pause) ---- */
.overlay{
  position:fixed; inset:0;
  display:flex; align-items:center; justify-content:center;
  padding:16px; overflow-y:auto;
  background:
    radial-gradient(1200px 700px at 50% 120%, rgba(31,125,102,.35), transparent 60%),
    radial-gradient(900px 600px at 80% -10%, rgba(181,112,47,.30), transparent 55%),
    var(--black);
  z-index:20;
}

.card{
  width:100%; max-width:440px; margin:auto;
  background:linear-gradient(180deg, rgba(21,22,26,.95), rgba(12,12,14,.95));
  border:1px solid rgba(181,112,47,.45);
  border-radius:18px;
  padding:34px 30px;
  text-align:center;
  box-shadow:0 24px 60px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.04);
}

h1{
  font-size:clamp(40px,9vw,64px);
  letter-spacing:2px;
  background:linear-gradient(90deg,var(--copper-bright),var(--green-bright));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

h2{ font-size:30px; color:var(--copper-bright); margin-bottom:18px; }

.sub{ color:var(--muted); margin:10px 0 24px; line-height:1.5; }
.note{ color:var(--muted); font-size:13px; margin-top:18px; line-height:1.5; }

button{
  font:inherit; font-weight:600;
  cursor:pointer;
  border:none; border-radius:11px;
  padding:13px 22px;
  color:#0c0c0e;
  background:linear-gradient(180deg,var(--copper-bright),var(--copper));
  box-shadow:0 8px 20px rgba(181,112,47,.35);
  transition:transform .12s ease, box-shadow .12s ease, filter .12s ease;
}
button:hover{ transform:translateY(-2px); filter:brightness(1.06); }
button:active{ transform:translateY(0); }

button.ghost{
  margin-top:14px;
  background:transparent;
  color:var(--sand);
  border:1px solid rgba(154,146,127,.4);
  box-shadow:none;
  font-weight:500;
  padding:9px 16px; font-size:14px;
}
button.ghost:hover{ border-color:var(--green-bright); color:var(--green-bright); }

.controls{
  margin-top:26px;
  display:grid; grid-template-columns:1fr 1fr; gap:8px 18px;
  text-align:left; font-size:13.5px; color:var(--sand);
}
.controls div{ padding:7px 11px; background:rgba(255,255,255,.03); border-radius:8px; }
.controls b{ color:var(--copper-bright); font-weight:600; }

/* ---- World-select menu (title card) ---- */
#worlds{ margin-top:22px; text-align:left; }
.wtitle{ font-size:12px; letter-spacing:1px; text-transform:uppercase; color:var(--muted); margin-bottom:8px; }
#worldList{
  display:flex; flex-direction:column; gap:8px;
  max-height:208px; overflow-y:auto; margin-bottom:12px;
}
.wrow{
  display:flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:10px;
  background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.07);
}
.wrow.active{ border-color:rgba(181,112,47,.6); background:rgba(181,112,47,.09); }
.wrow .wmeta{ flex:1; min-width:0; }
.wrow .wname{ font-weight:600; color:var(--sand); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.wrow .wtag{ color:var(--copper-bright); font-weight:500; font-size:12px; }
.wrow .wsub{ font-size:11.5px; color:var(--muted); margin-top:2px; }
.wrow .wplay{
  flex:none; padding:8px 15px; font-size:13px; border-radius:8px;
  background:linear-gradient(180deg,var(--green-bright),var(--green));
  color:#0c0c0e; box-shadow:0 5px 12px rgba(31,125,102,.3);
}
.wrow .wdel{
  flex:none; padding:8px 11px; font-size:13px; border-radius:8px;
  background:transparent; color:var(--muted);
  border:1px solid rgba(154,146,127,.35); box-shadow:none; font-weight:700;
}
.wrow .wdel:hover{ border-color:#c0392b; color:#e8604f; transform:none; }
.wempty{ color:var(--muted); font-size:13px; padding:6px 2px; }
#newWorldRow{ display:flex; gap:8px; }
#worldName{
  flex:1; min-width:0; font:inherit; font-size:14px;
  padding:10px 12px; border-radius:10px;
  background:rgba(255,255,255,.04); border:1px solid rgba(154,146,127,.3);
  color:var(--sand);
}
#worldName::placeholder{ color:var(--muted); }
#worldName:focus{ outline:none; border-color:var(--green-bright); }
#createWorldBtn{ flex:none; padding:10px 16px; font-size:14px; border-radius:10px; }

/* ---- Co-op panel ---- */
#coop{
  margin-top:20px; padding-top:18px; text-align:left;
  border-top:1px solid rgba(255,255,255,.08);
}
#coopRow{ display:flex; gap:8px; margin-bottom:8px; }
#coop input{
  min-width:0; font:inherit; font-size:14px;
  padding:10px 12px; border-radius:10px;
  background:rgba(255,255,255,.04); border:1px solid rgba(154,146,127,.3);
  color:var(--sand);
}
#coopRow #coopName{ flex:0 0 38%; }
#coopRow #coopRoom{ flex:1; }
#coopServer{ display:block; width:100%; margin-bottom:10px; }
#coop input::placeholder{ color:var(--muted); }
#coop input:focus{ outline:none; border-color:var(--green-bright); }
.coopbtn{ width:100%; margin-top:0; }
.netmsg{ font-size:12.5px; color:var(--muted); margin-top:8px; min-height:16px; }

/* ---- In-world HUD ---- */
#crosshair{
  position:fixed; top:50%; left:50%; transform:translate(-50%,-50%);
  font-size:22px; color:rgba(255,255,255,.75);
  text-shadow:0 0 3px rgba(0,0,0,.7);
  pointer-events:none; z-index:10;
}

#info{
  position:fixed; top:14px; left:14px; z-index:10;
  font-size:13px; line-height:1.6; color:var(--sand);
  text-shadow:0 1px 3px rgba(0,0,0,.8);
  pointer-events:none;
}
#clock{ color:var(--copper-bright); font-weight:600; }
#saved{ color:var(--green-bright); height:16px; transition:opacity .4s; }

#hotbar{
  position:fixed; bottom:18px; left:50%; transform:translateX(-50%);
  display:flex; gap:6px; z-index:10;
  padding:7px; border-radius:12px;
  background:rgba(12,12,14,.6);
  border:1px solid rgba(255,255,255,.06);
  backdrop-filter:blur(4px);
}
.slot{
  position:relative;
  width:52px; height:52px; border-radius:9px;
  border:2px solid rgba(255,255,255,.1);
  display:flex; align-items:flex-end; justify-content:center;
  overflow:hidden;
  transition:transform .1s ease, border-color .1s ease;
}
.slot .swatch{
  position:absolute; inset:5px;
  border-radius:5px;
  box-shadow:inset 0 2px 0 rgba(255,255,255,.18), inset 0 -3px 6px rgba(0,0,0,.35);
}
.slot .key{
  position:absolute; top:2px; left:4px;
  font-size:10px; color:rgba(255,255,255,.75);
  text-shadow:0 1px 2px #000; z-index:2;
}
.slot .count{
  position:relative; z-index:2;
  font-size:12px; font-weight:700; color:#fff;
  text-shadow:0 1px 2px #000, 0 0 3px #000;
  padding-bottom:2px;
}
.slot.sel{
  border-color:var(--copper-bright);
  transform:translateY(-6px) scale(1.06);
  box-shadow:0 8px 18px rgba(181,112,47,.45);
}
.slot.empty .swatch{ filter:grayscale(.7) brightness(.55); }
.slot.empty .count{ opacity:.4; }

/* ---- Survival stats (top-right) ---- */
#stats{
  position:fixed; top:14px; right:14px; z-index:10;
  display:flex; flex-direction:column; gap:7px;
  pointer-events:none;
  text-shadow:0 1px 3px rgba(0,0,0,.8);
}
.stat{ display:flex; align-items:center; gap:8px; font-size:12px; color:var(--sand); }
.stat .lbl{ width:48px; text-align:right; color:var(--muted); }
.stat .bar{
  width:140px; height:12px; border-radius:7px;
  background:rgba(12,12,14,.6);
  border:1px solid rgba(255,255,255,.12);
  overflow:hidden;
}
.stat .fill{ height:100%; width:100%; transition:width .18s ease; border-radius:6px; }
.stat .fill.hp{ background:linear-gradient(90deg,#c0392b,#e8604f); }
.stat .fill.food{ background:linear-gradient(90deg,var(--copper),var(--copper-bright)); }
.stat .val{ font-weight:700; color:var(--copper-bright); }
.stat .hint{ color:var(--muted); font-size:11px; }

/* ---- Co-op chat ---- */
#chat{
  position:fixed; left:14px; bottom:88px; z-index:12;
  width:min(380px, 70vw);
  display:flex; flex-direction:column; gap:6px;
  pointer-events:none;
}
#chatLog{
  display:flex; flex-direction:column; gap:3px;
  max-height:30vh; overflow:hidden;
  opacity:0; transition:opacity .4s ease;
}
.chatline{
  font-size:13px; line-height:1.4; color:var(--sand);
  background:rgba(12,12,14,.5); border-radius:6px;
  padding:3px 8px; width:fit-content; max-width:100%;
  word-break:break-word;
  text-shadow:0 1px 2px rgba(0,0,0,.8);
}
.chatline .cname{ color:var(--copper-bright); font-weight:600; }
#chatInput{
  pointer-events:auto;
  font:inherit; font-size:14px;
  padding:9px 12px; border-radius:9px;
  background:rgba(12,12,14,.82); color:var(--sand);
  border:1px solid var(--green-bright); outline:none;
}
#chatInput::placeholder{ color:var(--muted); }

/* ---- Damage flash ---- */
#hurt{
  position:fixed; inset:0; z-index:9;
  pointer-events:none; opacity:0;
  transition:opacity .4s ease;
  background:radial-gradient(ellipse at center, transparent 35%, rgba(170,20,20,.55) 100%);
}

/* ---- Crafting panel ---- */
.card.wide{ max-width:540px; }
#craftList{ display:flex; flex-direction:column; gap:10px; margin-top:20px; text-align:left; }
.recipe{
  display:flex; align-items:center; gap:14px;
  padding:12px 14px; border-radius:11px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.07);
}
.recipe .rinfo{ flex:1; min-width:0; }
.recipe .rname{ font-weight:600; color:var(--sand); }
.recipe .rcost{ font-size:12.5px; color:var(--copper-bright); margin-top:2px; }
.recipe .rdesc{ font-size:12px; color:var(--muted); margin-top:2px; }
.recipe .rbtn{
  padding:9px 16px; font-size:13px; border-radius:9px; flex:none;
  background:linear-gradient(180deg,var(--green-bright),var(--green));
  color:#0c0c0e; box-shadow:0 6px 14px rgba(31,125,102,.3);
}
.recipe .rbtn:disabled{
  background:rgba(255,255,255,.06); color:var(--muted);
  box-shadow:none; cursor:default; transform:none;
}
.recipe.owned{ border-color:rgba(47,160,127,.45); }

/* ---- Touch controls (shown only on touch devices, in-game) ---- */
#touch{ display:none; position:fixed; inset:0; z-index:11; pointer-events:none; }
body.touch.playing #touch{ display:block; }
#joy{
  position:fixed; left:22px; bottom:26px;
  width:120px; height:120px; border-radius:50%;
  background:rgba(12,12,14,.4); border:2px solid rgba(255,255,255,.18);
  pointer-events:auto; touch-action:none;
}
#knob{
  position:absolute; left:50%; top:50%;
  width:52px; height:52px; margin:-26px 0 0 -26px; border-radius:50%;
  background:radial-gradient(circle at 40% 35%, var(--copper-bright), var(--copper));
  box-shadow:0 4px 12px rgba(0,0,0,.5);
}
#tbtns{
  position:fixed; right:18px; bottom:22px;
  display:flex; flex-direction:column; align-items:flex-end; gap:10px;
  pointer-events:none;
}
.trow{ display:flex; gap:10px; pointer-events:none; }
.tb{
  pointer-events:auto; touch-action:none;
  width:74px; height:60px; border-radius:14px; padding:0;
  font-size:14px; font-weight:600;
  background:linear-gradient(180deg, rgba(181,112,47,.92), rgba(150,92,39,.92));
  color:#0c0c0e; border:1px solid rgba(255,255,255,.15);
}
.tb.sm{
  width:58px; height:42px; font-size:12px;
  background:linear-gradient(180deg, rgba(31,125,102,.9), rgba(24,99,81,.9));
  color:var(--sand);
}
.tb:active{ filter:brightness(1.15); }