:root{
  --bg:#12100c;
  --bg2:#1b1810;
  --panel:#211d15;
  --line:#3a3226;
  --ink:#f2e6cf;
  --dim:#a2937a;
  --gold:#e8b33c;
  --gold2:#ffd873;
  --copper:#c9773f;
  --green:#7ec96b;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:
    radial-gradient(900px 500px at 20% -10%, #2a2318 0%, transparent 60%),
    var(--bg);
  color:var(--ink);
  font:15px/1.45 "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
}

header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 20px;border-bottom:1px solid var(--line);
  background:linear-gradient(#241f16,#1a170f);
  position:sticky;top:0;z-index:20;
}
h1{
  margin:0;font-size:23px;letter-spacing:.5px;
  background:linear-gradient(#ffe9a8,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 1px 0 rgba(0,0,0,.4);
}
.stats{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.stat b{color:var(--gold2)}
.dim{color:var(--dim);font-weight:400}

main{
  display:grid;grid-template-columns:340px minmax(320px,1fr) 320px;
  gap:14px;padding:14px;align-items:start;
}
@media (max-width:1100px){ main{grid-template-columns:1fr} }

.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px;box-shadow:0 6px 20px rgba(0,0,0,.35);
}
.panel h2{margin:0 0 4px;font-size:17px;color:var(--gold2)}
.panel h3{margin:16px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--dim)}
.hint{margin:0 0 12px;font-size:12.5px;color:var(--dim)}

/* buttons */
button{font-family:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--line);}
.primary{
  background:linear-gradient(#f3c45a,#c98c22);
  color:#2a1d05;font-weight:bold;border:1px solid #8d6416;padding:9px 14px;
}
.primary:hover{filter:brightness(1.08)}
.primary:disabled{opacity:.4;cursor:not-allowed;filter:none}
.big{width:100%;font-size:15px;padding:12px}
.ghost{background:#2b2519;color:var(--ink);padding:7px 11px}
.ghost:hover{background:#372f20}
.small{font-size:12px;padding:5px 9px}

input{
  font-family:inherit;background:#1a160f;border:1px solid var(--line);
  color:var(--ink);border-radius:8px;padding:8px 10px;
}
input:focus{outline:1px solid var(--gold)}

/* drawing studio */
.studio{display:flex;flex-direction:column;align-items:center;gap:10px}
.plate-wrap{position:relative;width:100%;max-width:240px;aspect-ratio:1}
.plate-wrap canvas{position:absolute;inset:0;width:100%;height:100%;border-radius:50%}
#draw{cursor:crosshair;touch-action:none}
.tools{display:flex;flex-direction:column;gap:8px;width:100%}
.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:5px}
.sw{width:100%;aspect-ratio:1;border-radius:6px;border:2px solid transparent;cursor:pointer}
.sw.on{border-color:#fff;box-shadow:0 0 0 2px #000 inset}
.sizerow{font-size:12px;color:var(--dim);display:flex;align-items:center;gap:8px}
.sizerow input[type=range]{flex:1;min-width:0}
.eraserrow{gap:6px}
.toolrow{display:flex;align-items:center;justify-content:space-between;gap:10px}
input[type=range]{accent-color:var(--gold);padding:0}

.mintrow{display:flex;gap:6px;margin-top:12px}
#pennyName{flex:1;min-width:0}

/* penny cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px;max-height:280px;overflow:auto}
.strip{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}
.strip .penny{flex:none;width:88px}

.penny{
  background:#1a160f;border:1px solid var(--line);border-radius:10px;
  padding:6px;text-align:center;cursor:pointer;transition:transform .12s, border-color .12s;
}
.penny:hover{transform:translateY(-2px);border-color:var(--gold)}
.penny.sel{border-color:var(--gold2);box-shadow:0 0 0 2px rgba(232,179,60,.35)}
.penny img{width:100%;aspect-ratio:1;border-radius:50%;display:block;image-rendering:auto}
.penny .nm{font-size:10.5px;margin-top:4px;line-height:1.25;word-break:break-word}
.penny .by{font-size:9px;color:var(--dim)}
.penny.mine .nm{color:var(--gold2)}
.penny.new{animation:pop .45s ease}
@keyframes pop{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}

/* tray */
.tray-panel{min-height:420px}
.tray{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:8px;
  min-height:170px;max-height:330px;overflow:auto;
  background:
    repeating-linear-gradient(45deg,#221c12 0 10px,#251f14 10px 20px);
  border:2px dashed #4a3f2c;border-radius:14px;padding:10px;
}
.tray:empty::after{
  content:"the tray is empty — leave a penny";
  color:var(--dim);font-size:12px;grid-column:1/-1;text-align:center;padding:60px 0;
}
.tray .penny{cursor:default}
.tray .penny:hover{transform:none;border-color:var(--line)}

.trayactions{margin-top:12px;display:flex;flex-direction:column;gap:6px;align-items:center}
#selectedLabel{font-size:12px}

.swap[hidden]{display:none}
.swap{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:12px;
  background:#1a160f;border:1px solid var(--line);border-radius:10px;padding:10px}
.swapside{width:96px;text-align:center}
.swaplabel{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--dim);margin-bottom:4px}
.swaparrow{font-size:24px;color:var(--gold)}

/* bots */
.log{
  height:190px;overflow:auto;background:#17130d;border:1px solid var(--line);
  border-radius:8px;padding:8px;font-size:12px;display:flex;flex-direction:column;gap:4px;
}
.log div{border-bottom:1px solid #241f16;padding-bottom:3px}
.log .mint{color:var(--green)}
.log .trade{color:var(--dim)}
.log .you{color:var(--gold2)}
.log b{color:#ffe9a8;font-weight:600}

.search{width:100%;margin-bottom:8px;font-size:12px}
.bots{max-height:300px;overflow:auto;display:flex;flex-direction:column;gap:4px}
.bot{
  display:flex;align-items:center;gap:8px;background:#1a160f;border:1px solid var(--line);
  border-radius:8px;padding:5px 7px;font-size:12px;
}
.bot img{width:26px;height:26px;border-radius:50%;flex:none}
.bot .bn{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bot .bc{color:var(--gold2);font-size:11px}
.bot.flash{animation:flash .8s ease}
@keyframes flash{from{background:#3b3009}to{background:#1a160f}}

.toast{
  position:fixed;left:50%;bottom:22px;transform:translateX(-50%);
  background:#2c2417;border:1px solid var(--gold);color:var(--ink);
  padding:10px 16px;border-radius:10px;z-index:50;box-shadow:0 8px 24px rgba(0,0,0,.5);
  animation:pop .25s ease;
}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#3a3226;border-radius:9px}
::-webkit-scrollbar-track{background:transparent}